diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_ddi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_ddi.c | 5627 |
1 files changed, 2916 insertions, 2711 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 7925a176f900..9e6fa59eabba 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -25,33 +25,45 @@ * */ -#include <drm/drm_scdc_helper.h> +#include <linux/string_helpers.h> + +#include <drm/display/drm_scdc_helper.h> +#include <drm/drm_privacy_screen_consumer.h> #include "i915_drv.h" #include "intel_audio.h" +#include "intel_backlight.h" #include "intel_combo_phy.h" +#include "intel_combo_phy_regs.h" #include "intel_connector.h" +#include "intel_crtc.h" #include "intel_ddi.h" +#include "intel_ddi_buf_trans.h" +#include "intel_de.h" +#include "intel_display_power.h" +#include "intel_display_types.h" #include "intel_dp.h" #include "intel_dp_link_training.h" +#include "intel_dp_mst.h" #include "intel_dpio_phy.h" -#include "intel_drv.h" #include "intel_dsi.h" +#include "intel_fdi.h" #include "intel_fifo_underrun.h" #include "intel_gmbus.h" #include "intel_hdcp.h" #include "intel_hdmi.h" #include "intel_hotplug.h" #include "intel_lspcon.h" -#include "intel_panel.h" +#include "intel_pps.h" #include "intel_psr.h" +#include "intel_snps_phy.h" +#include "intel_sprite.h" +#include "intel_tc.h" +#include "intel_tc_phy_regs.h" #include "intel_vdsc.h" - -struct ddi_buf_trans { - u32 trans1; /* balance leg enable, de-emph level */ - u32 trans2; /* vref sel, vswing */ - u8 i_boost; /* SKL: I_boost; valid: 0x0, 0x1, 0x3, 0x7 */ -}; +#include "intel_vrr.h" +#include "skl_scaler.h" +#include "skl_universal_plane.h" static const u8 index_to_dp_signal_levels[] = { [0] = DP_TRAIN_VOLTAGE_SWING_LEVEL_0 | DP_TRAIN_PRE_EMPH_LEVEL_0, @@ -66,847 +78,26 @@ static const u8 index_to_dp_signal_levels[] = { [9] = DP_TRAIN_VOLTAGE_SWING_LEVEL_3 | DP_TRAIN_PRE_EMPH_LEVEL_0, }; -/* HDMI/DVI modes ignore everything but the last 2 items. So we share - * them for both DP and FDI transports, allowing those ports to - * automatically adapt to HDMI connections as well - */ -static const struct ddi_buf_trans hsw_ddi_translations_dp[] = { - { 0x00FFFFFF, 0x0006000E, 0x0 }, - { 0x00D75FFF, 0x0005000A, 0x0 }, - { 0x00C30FFF, 0x00040006, 0x0 }, - { 0x80AAAFFF, 0x000B0000, 0x0 }, - { 0x00FFFFFF, 0x0005000A, 0x0 }, - { 0x00D75FFF, 0x000C0004, 0x0 }, - { 0x80C30FFF, 0x000B0000, 0x0 }, - { 0x00FFFFFF, 0x00040006, 0x0 }, - { 0x80D75FFF, 0x000B0000, 0x0 }, -}; - -static const struct ddi_buf_trans hsw_ddi_translations_fdi[] = { - { 0x00FFFFFF, 0x0007000E, 0x0 }, - { 0x00D75FFF, 0x000F000A, 0x0 }, - { 0x00C30FFF, 0x00060006, 0x0 }, - { 0x00AAAFFF, 0x001E0000, 0x0 }, - { 0x00FFFFFF, 0x000F000A, 0x0 }, - { 0x00D75FFF, 0x00160004, 0x0 }, - { 0x00C30FFF, 0x001E0000, 0x0 }, - { 0x00FFFFFF, 0x00060006, 0x0 }, - { 0x00D75FFF, 0x001E0000, 0x0 }, -}; - -static const struct ddi_buf_trans hsw_ddi_translations_hdmi[] = { - /* Idx NT mV d T mV d db */ - { 0x00FFFFFF, 0x0006000E, 0x0 },/* 0: 400 400 0 */ - { 0x00E79FFF, 0x000E000C, 0x0 },/* 1: 400 500 2 */ - { 0x00D75FFF, 0x0005000A, 0x0 },/* 2: 400 600 3.5 */ - { 0x00FFFFFF, 0x0005000A, 0x0 },/* 3: 600 600 0 */ - { 0x00E79FFF, 0x001D0007, 0x0 },/* 4: 600 750 2 */ - { 0x00D75FFF, 0x000C0004, 0x0 },/* 5: 600 900 3.5 */ - { 0x00FFFFFF, 0x00040006, 0x0 },/* 6: 800 800 0 */ - { 0x80E79FFF, 0x00030002, 0x0 },/* 7: 800 1000 2 */ - { 0x00FFFFFF, 0x00140005, 0x0 },/* 8: 850 850 0 */ - { 0x00FFFFFF, 0x000C0004, 0x0 },/* 9: 900 900 0 */ - { 0x00FFFFFF, 0x001C0003, 0x0 },/* 10: 950 950 0 */ - { 0x80FFFFFF, 0x00030002, 0x0 },/* 11: 1000 1000 0 */ -}; - -static const struct ddi_buf_trans bdw_ddi_translations_edp[] = { - { 0x00FFFFFF, 0x00000012, 0x0 }, - { 0x00EBAFFF, 0x00020011, 0x0 }, - { 0x00C71FFF, 0x0006000F, 0x0 }, - { 0x00AAAFFF, 0x000E000A, 0x0 }, - { 0x00FFFFFF, 0x00020011, 0x0 }, - { 0x00DB6FFF, 0x0005000F, 0x0 }, - { 0x00BEEFFF, 0x000A000C, 0x0 }, - { 0x00FFFFFF, 0x0005000F, 0x0 }, - { 0x00DB6FFF, 0x000A000C, 0x0 }, -}; - -static const struct ddi_buf_trans bdw_ddi_translations_dp[] = { - { 0x00FFFFFF, 0x0007000E, 0x0 }, - { 0x00D75FFF, 0x000E000A, 0x0 }, - { 0x00BEFFFF, 0x00140006, 0x0 }, - { 0x80B2CFFF, 0x001B0002, 0x0 }, - { 0x00FFFFFF, 0x000E000A, 0x0 }, - { 0x00DB6FFF, 0x00160005, 0x0 }, - { 0x80C71FFF, 0x001A0002, 0x0 }, - { 0x00F7DFFF, 0x00180004, 0x0 }, - { 0x80D75FFF, 0x001B0002, 0x0 }, -}; - -static const struct ddi_buf_trans bdw_ddi_translations_fdi[] = { - { 0x00FFFFFF, 0x0001000E, 0x0 }, - { 0x00D75FFF, 0x0004000A, 0x0 }, - { 0x00C30FFF, 0x00070006, 0x0 }, - { 0x00AAAFFF, 0x000C0000, 0x0 }, - { 0x00FFFFFF, 0x0004000A, 0x0 }, - { 0x00D75FFF, 0x00090004, 0x0 }, - { 0x00C30FFF, 0x000C0000, 0x0 }, - { 0x00FFFFFF, 0x00070006, 0x0 }, - { 0x00D75FFF, 0x000C0000, 0x0 }, -}; - -static const struct ddi_buf_trans bdw_ddi_translations_hdmi[] = { - /* Idx NT mV d T mV df db */ - { 0x00FFFFFF, 0x0007000E, 0x0 },/* 0: 400 400 0 */ - { 0x00D75FFF, 0x000E000A, 0x0 },/* 1: 400 600 3.5 */ - { 0x00BEFFFF, 0x00140006, 0x0 },/* 2: 400 800 6 */ - { 0x00FFFFFF, 0x0009000D, 0x0 },/* 3: 450 450 0 */ - { 0x00FFFFFF, 0x000E000A, 0x0 },/* 4: 600 600 0 */ - { 0x00D7FFFF, 0x00140006, 0x0 },/* 5: 600 800 2.5 */ - { 0x80CB2FFF, 0x001B0002, 0x0 },/* 6: 600 1000 4.5 */ - { 0x00FFFFFF, 0x00140006, 0x0 },/* 7: 800 800 0 */ - { 0x80E79FFF, 0x001B0002, 0x0 },/* 8: 800 1000 2 */ - { 0x80FFFFFF, 0x001B0002, 0x0 },/* 9: 1000 1000 0 */ -}; - -/* Skylake H and S */ -static const struct ddi_buf_trans skl_ddi_translations_dp[] = { - { 0x00002016, 0x000000A0, 0x0 }, - { 0x00005012, 0x0000009B, 0x0 }, - { 0x00007011, 0x00000088, 0x0 }, - { 0x80009010, 0x000000C0, 0x1 }, - { 0x00002016, 0x0000009B, 0x0 }, - { 0x00005012, 0x00000088, 0x0 }, - { 0x80007011, 0x000000C0, 0x1 }, - { 0x00002016, 0x000000DF, 0x0 }, - { 0x80005012, 0x000000C0, 0x1 }, -}; - -/* Skylake U */ -static const struct ddi_buf_trans skl_u_ddi_translations_dp[] = { - { 0x0000201B, 0x000000A2, 0x0 }, - { 0x00005012, 0x00000088, 0x0 }, - { 0x80007011, 0x000000CD, 0x1 }, - { 0x80009010, 0x000000C0, 0x1 }, - { 0x0000201B, 0x0000009D, 0x0 }, - { 0x80005012, 0x000000C0, 0x1 }, - { 0x80007011, 0x000000C0, 0x1 }, - { 0x00002016, 0x00000088, 0x0 }, - { 0x80005012, 0x000000C0, 0x1 }, -}; - -/* Skylake Y */ -static const struct ddi_buf_trans skl_y_ddi_translations_dp[] = { - { 0x00000018, 0x000000A2, 0x0 }, - { 0x00005012, 0x00000088, 0x0 }, - { 0x80007011, 0x000000CD, 0x3 }, - { 0x80009010, 0x000000C0, 0x3 }, - { 0x00000018, 0x0000009D, 0x0 }, - { 0x80005012, 0x000000C0, 0x3 }, - { 0x80007011, 0x000000C0, 0x3 }, - { 0x00000018, 0x00000088, 0x0 }, - { 0x80005012, 0x000000C0, 0x3 }, -}; - -/* Kabylake H and S */ -static const struct ddi_buf_trans kbl_ddi_translations_dp[] = { - { 0x00002016, 0x000000A0, 0x0 }, - { 0x00005012, 0x0000009B, 0x0 }, - { 0x00007011, 0x00000088, 0x0 }, - { 0x80009010, 0x000000C0, 0x1 }, - { 0x00002016, 0x0000009B, 0x0 }, - { 0x00005012, 0x00000088, 0x0 }, - { 0x80007011, 0x000000C0, 0x1 }, - { 0x00002016, 0x00000097, 0x0 }, - { 0x80005012, 0x000000C0, 0x1 }, -}; - -/* Kabylake U */ -static const struct ddi_buf_trans kbl_u_ddi_translations_dp[] = { - { 0x0000201B, 0x000000A1, 0x0 }, - { 0x00005012, 0x00000088, 0x0 }, - { 0x80007011, 0x000000CD, 0x3 }, - { 0x80009010, 0x000000C0, 0x3 }, - { 0x0000201B, 0x0000009D, 0x0 }, - { 0x80005012, 0x000000C0, 0x3 }, - { 0x80007011, 0x000000C0, 0x3 }, - { 0x00002016, 0x0000004F, 0x0 }, - { 0x80005012, 0x000000C0, 0x3 }, -}; - -/* Kabylake Y */ -static const struct ddi_buf_trans kbl_y_ddi_translations_dp[] = { - { 0x00001017, 0x000000A1, 0x0 }, - { 0x00005012, 0x00000088, 0x0 }, - { 0x80007011, 0x000000CD, 0x3 }, - { 0x8000800F, 0x000000C0, 0x3 }, - { 0x00001017, 0x0000009D, 0x0 }, - { 0x80005012, 0x000000C0, 0x3 }, - { 0x80007011, 0x000000C0, 0x3 }, - { 0x00001017, 0x0000004C, 0x0 }, - { 0x80005012, 0x000000C0, 0x3 }, -}; - -/* - * Skylake/Kabylake H and S - * eDP 1.4 low vswing translation parameters - */ -static const struct ddi_buf_trans skl_ddi_translations_edp[] = { - { 0x00000018, 0x000000A8, 0x0 }, - { 0x00004013, 0x000000A9, 0x0 }, - { 0x00007011, 0x000000A2, 0x0 }, - { 0x00009010, 0x0000009C, 0x0 }, - { 0x00000018, 0x000000A9, 0x0 }, - { 0x00006013, 0x000000A2, 0x0 }, - { 0x00007011, 0x000000A6, 0x0 }, - { 0x00000018, 0x000000AB, 0x0 }, - { 0x00007013, 0x0000009F, 0x0 }, - { 0x00000018, 0x000000DF, 0x0 }, -}; - -/* - * Skylake/Kabylake U - * eDP 1.4 low vswing translation parameters - */ -static const struct ddi_buf_trans skl_u_ddi_translations_edp[] = { - { 0x00000018, 0x000000A8, 0x0 }, - { 0x00004013, 0x000000A9, 0x0 }, - { 0x00007011, 0x000000A2, 0x0 }, - { 0x00009010, 0x0000009C, 0x0 }, - { 0x00000018, 0x000000A9, 0x0 }, - { 0x00006013, 0x000000A2, 0x0 }, - { 0x00007011, 0x000000A6, 0x0 }, - { 0x00002016, 0x000000AB, 0x0 }, - { 0x00005013, 0x0000009F, 0x0 }, - { 0x00000018, 0x000000DF, 0x0 }, -}; - -/* - * Skylake/Kabylake Y - * eDP 1.4 low vswing translation parameters - */ -static const struct ddi_buf_trans skl_y_ddi_translations_edp[] = { - { 0x00000018, 0x000000A8, 0x0 }, - { 0x00004013, 0x000000AB, 0x0 }, - { 0x00007011, 0x000000A4, 0x0 }, - { 0x00009010, 0x000000DF, 0x0 }, - { 0x00000018, 0x000000AA, 0x0 }, - { 0x00006013, 0x000000A4, 0x0 }, - { 0x00007011, 0x0000009D, 0x0 }, - { 0x00000018, 0x000000A0, 0x0 }, - { 0x00006012, 0x000000DF, 0x0 }, - { 0x00000018, 0x0000008A, 0x0 }, -}; - -/* Skylake/Kabylake U, H and S */ -static const struct ddi_buf_trans skl_ddi_translations_hdmi[] = { - { 0x00000018, 0x000000AC, 0x0 }, - { 0x00005012, 0x0000009D, 0x0 }, - { 0x00007011, 0x00000088, 0x0 }, - { 0x00000018, 0x000000A1, 0x0 }, - { 0x00000018, 0x00000098, 0x0 }, - { 0x00004013, 0x00000088, 0x0 }, - { 0x80006012, 0x000000CD, 0x1 }, - { 0x00000018, 0x000000DF, 0x0 }, - { 0x80003015, 0x000000CD, 0x1 }, /* Default */ - { 0x80003015, 0x000000C0, 0x1 }, - { 0x80000018, 0x000000C0, 0x1 }, -}; - -/* Skylake/Kabylake Y */ -static const struct ddi_buf_trans skl_y_ddi_translations_hdmi[] = { - { 0x00000018, 0x000000A1, 0x0 }, - { 0x00005012, 0x000000DF, 0x0 }, - { 0x80007011, 0x000000CB, 0x3 }, - { 0x00000018, 0x000000A4, 0x0 }, - { 0x00000018, 0x0000009D, 0x0 }, - { 0x00004013, 0x00000080, 0x0 }, - { 0x80006013, 0x000000C0, 0x3 }, - { 0x00000018, 0x0000008A, 0x0 }, - { 0x80003015, 0x000000C0, 0x3 }, /* Default */ - { 0x80003015, 0x000000C0, 0x3 }, - { 0x80000018, 0x000000C0, 0x3 }, -}; - -struct bxt_ddi_buf_trans { - u8 margin; /* swing value */ - u8 scale; /* scale value */ - u8 enable; /* scale enable */ - u8 deemphasis; -}; - -static const struct bxt_ddi_buf_trans bxt_ddi_translations_dp[] = { - /* Idx NT mV diff db */ - { 52, 0x9A, 0, 128, }, /* 0: 400 0 */ - { 78, 0x9A, 0, 85, }, /* 1: 400 3.5 */ - { 104, 0x9A, 0, 64, }, /* 2: 400 6 */ - { 154, 0x9A, 0, 43, }, /* 3: 400 9.5 */ - { 77, 0x9A, 0, 128, }, /* 4: 600 0 */ - { 116, 0x9A, 0, 85, }, /* 5: 600 3.5 */ - { 154, 0x9A, 0, 64, }, /* 6: 600 6 */ - { 102, 0x9A, 0, 128, }, /* 7: 800 0 */ - { 154, 0x9A, 0, 85, }, /* 8: 800 3.5 */ - { 154, 0x9A, 1, 128, }, /* 9: 1200 0 */ -}; - -static const struct bxt_ddi_buf_trans bxt_ddi_translations_edp[] = { - /* Idx NT mV diff db */ - { 26, 0, 0, 128, }, /* 0: 200 0 */ - { 38, 0, 0, 112, }, /* 1: 200 1.5 */ - { 48, 0, 0, 96, }, /* 2: 200 4 */ - { 54, 0, 0, 69, }, /* 3: 200 6 */ - { 32, 0, 0, 128, }, /* 4: 250 0 */ - { 48, 0, 0, 104, }, /* 5: 250 1.5 */ - { 54, 0, 0, 85, }, /* 6: 250 4 */ - { 43, 0, 0, 128, }, /* 7: 300 0 */ - { 54, 0, 0, 101, }, /* 8: 300 1.5 */ - { 48, 0, 0, 128, }, /* 9: 300 0 */ -}; - -/* BSpec has 2 recommended values - entries 0 and 8. - * Using the entry with higher vswing. - */ -static const struct bxt_ddi_buf_trans bxt_ddi_translations_hdmi[] = { - /* Idx NT mV diff db */ - { 52, 0x9A, 0, 128, }, /* 0: 400 0 */ - { 52, 0x9A, 0, 85, }, /* 1: 400 3.5 */ - { 52, 0x9A, 0, 64, }, /* 2: 400 6 */ - { 42, 0x9A, 0, 43, }, /* 3: 400 9.5 */ - { 77, 0x9A, 0, 128, }, /* 4: 600 0 */ - { 77, 0x9A, 0, 85, }, /* 5: 600 3.5 */ - { 77, 0x9A, 0, 64, }, /* 6: 600 6 */ - { 102, 0x9A, 0, 128, }, /* 7: 800 0 */ - { 102, 0x9A, 0, 85, }, /* 8: 800 3.5 */ - { 154, 0x9A, 1, 128, }, /* 9: 1200 0 */ -}; - -struct cnl_ddi_buf_trans { - u8 dw2_swing_sel; - u8 dw7_n_scalar; - u8 dw4_cursor_coeff; - u8 dw4_post_cursor_2; - u8 dw4_post_cursor_1; -}; - -/* Voltage Swing Programming for VccIO 0.85V for DP */ -static const struct cnl_ddi_buf_trans cnl_ddi_translations_dp_0_85V[] = { - /* NT mV Trans mV db */ - { 0xA, 0x5D, 0x3F, 0x00, 0x00 }, /* 350 350 0.0 */ - { 0xA, 0x6A, 0x38, 0x00, 0x07 }, /* 350 500 3.1 */ - { 0xB, 0x7A, 0x32, 0x00, 0x0D }, /* 350 700 6.0 */ - { 0x6, 0x7C, 0x2D, 0x00, 0x12 }, /* 350 900 8.2 */ - { 0xA, 0x69, 0x3F, 0x00, 0x00 }, /* 500 500 0.0 */ - { 0xB, 0x7A, 0x36, 0x00, 0x09 }, /* 500 700 2.9 */ - { 0x6, 0x7C, 0x30, 0x00, 0x0F }, /* 500 900 5.1 */ - { 0xB, 0x7D, 0x3C, 0x00, 0x03 }, /* 650 725 0.9 */ - { 0x6, 0x7C, 0x34, 0x00, 0x0B }, /* 600 900 3.5 */ - { 0x6, 0x7B, 0x3F, 0x00, 0x00 }, /* 900 900 0.0 */ -}; - -/* Voltage Swing Programming for VccIO 0.85V for HDMI */ -static const struct cnl_ddi_buf_trans cnl_ddi_translations_hdmi_0_85V[] = { - /* NT mV Trans mV db */ - { 0xA, 0x60, 0x3F, 0x00, 0x00 }, /* 450 450 0.0 */ - { 0xB, 0x73, 0x36, 0x00, 0x09 }, /* 450 650 3.2 */ - { 0x6, 0x7F, 0x31, 0x00, 0x0E }, /* 450 850 5.5 */ - { 0xB, 0x73, 0x3F, 0x00, 0x00 }, /* 650 650 0.0 */ - { 0x6, 0x7F, 0x37, 0x00, 0x08 }, /* 650 850 2.3 */ - { 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 850 850 0.0 */ - { 0x6, 0x7F, 0x35, 0x00, 0x0A }, /* 600 850 3.0 */ -}; - -/* Voltage Swing Programming for VccIO 0.85V for eDP */ -static const struct cnl_ddi_buf_trans cnl_ddi_translations_edp_0_85V[] = { - /* NT mV Trans mV db */ - { 0xA, 0x66, 0x3A, 0x00, 0x05 }, /* 384 500 2.3 */ - { 0x0, 0x7F, 0x38, 0x00, 0x07 }, /* 153 200 2.3 */ - { 0x8, 0x7F, 0x38, 0x00, 0x07 }, /* 192 250 2.3 */ - { 0x1, 0x7F, 0x38, 0x00, 0x07 }, /* 230 300 2.3 */ - { 0x9, 0x7F, 0x38, 0x00, 0x07 }, /* 269 350 2.3 */ - { 0xA, 0x66, 0x3C, 0x00, 0x03 }, /* 446 500 1.0 */ - { 0xB, 0x70, 0x3C, 0x00, 0x03 }, /* 460 600 2.3 */ - { 0xC, 0x75, 0x3C, 0x00, 0x03 }, /* 537 700 2.3 */ - { 0x2, 0x7F, 0x3F, 0x00, 0x00 }, /* 400 400 0.0 */ -}; - -/* Voltage Swing Programming for VccIO 0.95V for DP */ -static const struct cnl_ddi_buf_trans cnl_ddi_translations_dp_0_95V[] = { - /* NT mV Trans mV db */ - { 0xA, 0x5D, 0x3F, 0x00, 0x00 }, /* 350 350 0.0 */ - { 0xA, 0x6A, 0x38, 0x00, 0x07 }, /* 350 500 3.1 */ - { 0xB, 0x7A, 0x32, 0x00, 0x0D }, /* 350 700 6.0 */ - { 0x6, 0x7C, 0x2D, 0x00, 0x12 }, /* 350 900 8.2 */ - { 0xA, 0x69, 0x3F, 0x00, 0x00 }, /* 500 500 0.0 */ - { 0xB, 0x7A, 0x36, 0x00, 0x09 }, /* 500 700 2.9 */ - { 0x6, 0x7C, 0x30, 0x00, 0x0F }, /* 500 900 5.1 */ - { 0xB, 0x7D, 0x3C, 0x00, 0x03 }, /* 650 725 0.9 */ - { 0x6, 0x7C, 0x34, 0x00, 0x0B }, /* 600 900 3.5 */ - { 0x6, 0x7B, 0x3F, 0x00, 0x00 }, /* 900 900 0.0 */ -}; - -/* Voltage Swing Programming for VccIO 0.95V for HDMI */ -static const struct cnl_ddi_buf_trans cnl_ddi_translations_hdmi_0_95V[] = { - /* NT mV Trans mV db */ - { 0xA, 0x5C, 0x3F, 0x00, 0x00 }, /* 400 400 0.0 */ - { 0xB, 0x69, 0x37, 0x00, 0x08 }, /* 400 600 3.5 */ - { 0x5, 0x76, 0x31, 0x00, 0x0E }, /* 400 800 6.0 */ - { 0xA, 0x5E, 0x3F, 0x00, 0x00 }, /* 450 450 0.0 */ - { 0xB, 0x69, 0x3F, 0x00, 0x00 }, /* 600 600 0.0 */ - { 0xB, 0x79, 0x35, 0x00, 0x0A }, /* 600 850 3.0 */ - { 0x6, 0x7D, 0x32, 0x00, 0x0D }, /* 600 1000 4.4 */ - { 0x5, 0x76, 0x3F, 0x00, 0x00 }, /* 800 800 0.0 */ - { 0x6, 0x7D, 0x39, 0x00, 0x06 }, /* 800 1000 1.9 */ - { 0x6, 0x7F, 0x39, 0x00, 0x06 }, /* 850 1050 1.8 */ - { 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 1050 1050 0.0 */ -}; - -/* Voltage Swing Programming for VccIO 0.95V for eDP */ -static const struct cnl_ddi_buf_trans cnl_ddi_translations_edp_0_95V[] = { - /* NT mV Trans mV db */ - { 0xA, 0x61, 0x3A, 0x00, 0x05 }, /* 384 500 2.3 */ - { 0x0, 0x7F, 0x38, 0x00, 0x07 }, /* 153 200 2.3 */ - { 0x8, 0x7F, 0x38, 0x00, 0x07 }, /* 192 250 2.3 */ - { 0x1, 0x7F, 0x38, 0x00, 0x07 }, /* 230 300 2.3 */ - { 0x9, 0x7F, 0x38, 0x00, 0x07 }, /* 269 350 2.3 */ - { 0xA, 0x61, 0x3C, 0x00, 0x03 }, /* 446 500 1.0 */ - { 0xB, 0x68, 0x39, 0x00, 0x06 }, /* 460 600 2.3 */ - { 0xC, 0x6E, 0x39, 0x00, 0x06 }, /* 537 700 2.3 */ - { 0x4, 0x7F, 0x3A, 0x00, 0x05 }, /* 460 600 2.3 */ - { 0x2, 0x7F, 0x3F, 0x00, 0x00 }, /* 400 400 0.0 */ -}; - -/* Voltage Swing Programming for VccIO 1.05V for DP */ -static const struct cnl_ddi_buf_trans cnl_ddi_translations_dp_1_05V[] = { - /* NT mV Trans mV db */ - { 0xA, 0x58, 0x3F, 0x00, 0x00 }, /* 400 400 0.0 */ - { 0xB, 0x64, 0x37, 0x00, 0x08 }, /* 400 600 3.5 */ - { 0x5, 0x70, 0x31, 0x00, 0x0E }, /* 400 800 6.0 */ - { 0x6, 0x7F, 0x2C, 0x00, 0x13 }, /* 400 1050 8.4 */ - { 0xB, 0x64, 0x3F, 0x00, 0x00 }, /* 600 600 0.0 */ - { 0x5, 0x73, 0x35, 0x00, 0x0A }, /* 600 850 3.0 */ - { 0x6, 0x7F, 0x30, 0x00, 0x0F }, /* 550 1050 5.6 */ - { 0x5, 0x76, 0x3E, 0x00, 0x01 }, /* 850 900 0.5 */ - { 0x6, 0x7F, 0x36, 0x00, 0x09 }, /* 750 1050 2.9 */ - { 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 1050 1050 0.0 */ -}; - -/* Voltage Swing Programming for VccIO 1.05V for HDMI */ -static const struct cnl_ddi_buf_trans cnl_ddi_translations_hdmi_1_05V[] = { - /* NT mV Trans mV db */ - { 0xA, 0x58, 0x3F, 0x00, 0x00 }, /* 400 400 0.0 */ - { 0xB, 0x64, 0x37, 0x00, 0x08 }, /* 400 600 3.5 */ - { 0x5, 0x70, 0x31, 0x00, 0x0E }, /* 400 800 6.0 */ - { 0xA, 0x5B, 0x3F, 0x00, 0x00 }, /* 450 450 0.0 */ - { 0xB, 0x64, 0x3F, 0x00, 0x00 }, /* 600 600 0.0 */ - { 0x5, 0x73, 0x35, 0x00, 0x0A }, /* 600 850 3.0 */ - { 0x6, 0x7C, 0x32, 0x00, 0x0D }, /* 600 1000 4.4 */ - { 0x5, 0x70, 0x3F, 0x00, 0x00 }, /* 800 800 0.0 */ - { 0x6, 0x7C, 0x39, 0x00, 0x06 }, /* 800 1000 1.9 */ - { 0x6, 0x7F, 0x39, 0x00, 0x06 }, /* 850 1050 1.8 */ - { 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 1050 1050 0.0 */ -}; - -/* Voltage Swing Programming for VccIO 1.05V for eDP */ -static const struct cnl_ddi_buf_trans cnl_ddi_translations_edp_1_05V[] = { - /* NT mV Trans mV db */ - { 0xA, 0x5E, 0x3A, 0x00, 0x05 }, /* 384 500 2.3 */ - { 0x0, 0x7F, 0x38, 0x00, 0x07 }, /* 153 200 2.3 */ - { 0x8, 0x7F, 0x38, 0x00, 0x07 }, /* 192 250 2.3 */ - { 0x1, 0x7F, 0x38, 0x00, 0x07 }, /* 230 300 2.3 */ - { 0x9, 0x7F, 0x38, 0x00, 0x07 }, /* 269 350 2.3 */ - { 0xA, 0x5E, 0x3C, 0x00, 0x03 }, /* 446 500 1.0 */ - { 0xB, 0x64, 0x39, 0x00, 0x06 }, /* 460 600 2.3 */ - { 0xE, 0x6A, 0x39, 0x00, 0x06 }, /* 537 700 2.3 */ - { 0x2, 0x7F, 0x3F, 0x00, 0x00 }, /* 400 400 0.0 */ -}; - -/* icl_combo_phy_ddi_translations */ -static const struct cnl_ddi_buf_trans icl_combo_phy_ddi_translations_dp_hbr2[] = { - /* NT mV Trans mV db */ - { 0xA, 0x35, 0x3F, 0x00, 0x00 }, /* 350 350 0.0 */ - { 0xA, 0x4F, 0x37, 0x00, 0x08 }, /* 350 500 3.1 */ - { 0xC, 0x71, 0x2F, 0x00, 0x10 }, /* 350 700 6.0 */ - { 0x6, 0x7F, 0x2B, 0x00, 0x14 }, /* 350 900 8.2 */ - { 0xA, 0x4C, 0x3F, 0x00, 0x00 }, /* 500 500 0.0 */ - { 0xC, 0x73, 0x34, 0x00, 0x0B }, /* 500 700 2.9 */ - { 0x6, 0x7F, 0x2F, 0x00, 0x10 }, /* 500 900 5.1 */ - { 0xC, 0x6C, 0x3C, 0x00, 0x03 }, /* 650 700 0.6 */ - { 0x6, 0x7F, 0x35, 0x00, 0x0A }, /* 600 900 3.5 */ - { 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 900 900 0.0 */ -}; - -static const struct cnl_ddi_buf_trans icl_combo_phy_ddi_translations_edp_hbr2[] = { - /* NT mV Trans mV db */ - { 0x0, 0x7F, 0x3F, 0x00, 0x00 }, /* 200 200 0.0 */ - { 0x8, 0x7F, 0x38, 0x00, 0x07 }, /* 200 250 1.9 */ - { 0x1, 0x7F, 0x33, 0x00, 0x0C }, /* 200 300 3.5 */ - { 0x9, 0x7F, 0x31, 0x00, 0x0E }, /* 200 350 4.9 */ - { 0x8, 0x7F, 0x3F, 0x00, 0x00 }, /* 250 250 0.0 */ - { 0x1, 0x7F, 0x38, 0x00, 0x07 }, /* 250 300 1.6 */ - { 0x9, 0x7F, 0x35, 0x00, 0x0A }, /* 250 350 2.9 */ - { 0x1, 0x7F, 0x3F, 0x00, 0x00 }, /* 300 300 0.0 */ - { 0x9, 0x7F, 0x38, 0x00, 0x07 }, /* 300 350 1.3 */ - { 0x9, 0x7F, 0x3F, 0x00, 0x00 }, /* 350 350 0.0 */ -}; - -static const struct cnl_ddi_buf_trans icl_combo_phy_ddi_translations_edp_hbr3[] = { - /* NT mV Trans mV db */ - { 0xA, 0x35, 0x3F, 0x00, 0x00 }, /* 350 350 0.0 */ - { 0xA, 0x4F, 0x37, 0x00, 0x08 }, /* 350 500 3.1 */ - { 0xC, 0x71, 0x2F, 0x00, 0x10 }, /* 350 700 6.0 */ - { 0x6, 0x7F, 0x2B, 0x00, 0x14 }, /* 350 900 8.2 */ - { 0xA, 0x4C, 0x3F, 0x00, 0x00 }, /* 500 500 0.0 */ - { 0xC, 0x73, 0x34, 0x00, 0x0B }, /* 500 700 2.9 */ - { 0x6, 0x7F, 0x2F, 0x00, 0x10 }, /* 500 900 5.1 */ - { 0xC, 0x6C, 0x3C, 0x00, 0x03 }, /* 650 700 0.6 */ - { 0x6, 0x7F, 0x35, 0x00, 0x0A }, /* 600 900 3.5 */ - { 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 900 900 0.0 */ -}; - -static const struct cnl_ddi_buf_trans icl_combo_phy_ddi_translations_hdmi[] = { - /* NT mV Trans mV db */ - { 0xA, 0x60, 0x3F, 0x00, 0x00 }, /* 450 450 0.0 */ - { 0xB, 0x73, 0x36, 0x00, 0x09 }, /* 450 650 3.2 */ - { 0x6, 0x7F, 0x31, 0x00, 0x0E }, /* 450 850 5.5 */ - { 0xB, 0x73, 0x3F, 0x00, 0x00 }, /* 650 650 0.0 ALS */ - { 0x6, 0x7F, 0x37, 0x00, 0x08 }, /* 650 850 2.3 */ - { 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 850 850 0.0 */ - { 0x6, 0x7F, 0x35, 0x00, 0x0A }, /* 600 850 3.0 */ -}; - -struct icl_mg_phy_ddi_buf_trans { - u32 cri_txdeemph_override_5_0; - u32 cri_txdeemph_override_11_6; - u32 cri_txdeemph_override_17_12; -}; - -static const struct icl_mg_phy_ddi_buf_trans icl_mg_phy_ddi_translations[] = { - /* Voltage swing pre-emphasis */ - { 0x0, 0x1B, 0x00 }, /* 0 0 */ - { 0x0, 0x23, 0x08 }, /* 0 1 */ - { 0x0, 0x2D, 0x12 }, /* 0 2 */ - { 0x0, 0x00, 0x00 }, /* 0 3 */ - { 0x0, 0x23, 0x00 }, /* 1 0 */ - { 0x0, 0x2B, 0x09 }, /* 1 1 */ - { 0x0, 0x2E, 0x11 }, /* 1 2 */ - { 0x0, 0x2F, 0x00 }, /* 2 0 */ - { 0x0, 0x33, 0x0C }, /* 2 1 */ - { 0x0, 0x00, 0x00 }, /* 3 0 */ -}; - -static const struct ddi_buf_trans * -bdw_get_buf_trans_edp(struct drm_i915_private *dev_priv, int *n_entries) -{ - if (dev_priv->vbt.edp.low_vswing) { - *n_entries = ARRAY_SIZE(bdw_ddi_translations_edp); - return bdw_ddi_translations_edp; - } else { - *n_entries = ARRAY_SIZE(bdw_ddi_translations_dp); - return bdw_ddi_translations_dp; - } -} - -static const struct ddi_buf_trans * -skl_get_buf_trans_dp(struct drm_i915_private *dev_priv, int *n_entries) -{ - if (IS_SKL_ULX(dev_priv)) { - *n_entries = ARRAY_SIZE(skl_y_ddi_translations_dp); - return skl_y_ddi_translations_dp; - } else if (IS_SKL_ULT(dev_priv)) { - *n_entries = ARRAY_SIZE(skl_u_ddi_translations_dp); - return skl_u_ddi_translations_dp; - } else { - *n_entries = ARRAY_SIZE(skl_ddi_translations_dp); - return skl_ddi_translations_dp; - } -} - -static const struct ddi_buf_trans * -kbl_get_buf_trans_dp(struct drm_i915_private *dev_priv, int *n_entries) -{ - if (IS_KBL_ULX(dev_priv) || IS_CFL_ULX(dev_priv)) { - *n_entries = ARRAY_SIZE(kbl_y_ddi_translations_dp); - return kbl_y_ddi_translations_dp; - } else if (IS_KBL_ULT(dev_priv) || IS_CFL_ULT(dev_priv)) { - *n_entries = ARRAY_SIZE(kbl_u_ddi_translations_dp); - return kbl_u_ddi_translations_dp; - } else { - *n_entries = ARRAY_SIZE(kbl_ddi_translations_dp); - return kbl_ddi_translations_dp; - } -} - -static const struct ddi_buf_trans * -skl_get_buf_trans_edp(struct drm_i915_private *dev_priv, int *n_entries) -{ - if (dev_priv->vbt.edp.low_vswing) { - if (IS_SKL_ULX(dev_priv) || IS_KBL_ULX(dev_priv) || - IS_CFL_ULX(dev_priv)) { - *n_entries = ARRAY_SIZE(skl_y_ddi_translations_edp); - return skl_y_ddi_translations_edp; - } else if (IS_SKL_ULT(dev_priv) || IS_KBL_ULT(dev_priv) || - IS_CFL_ULT(dev_priv)) { - *n_entries = ARRAY_SIZE(skl_u_ddi_translations_edp); - return skl_u_ddi_translations_edp; - } else { - *n_entries = ARRAY_SIZE(skl_ddi_translations_edp); - return skl_ddi_translations_edp; - } - } - - if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) - return kbl_get_buf_trans_dp(dev_priv, n_entries); - else - return skl_get_buf_trans_dp(dev_priv, n_entries); -} - -static const struct ddi_buf_trans * -skl_get_buf_trans_hdmi(struct drm_i915_private *dev_priv, int *n_entries) -{ - if (IS_SKL_ULX(dev_priv) || IS_KBL_ULX(dev_priv) || - IS_CFL_ULX(dev_priv)) { - *n_entries = ARRAY_SIZE(skl_y_ddi_translations_hdmi); - return skl_y_ddi_translations_hdmi; - } else { - *n_entries = ARRAY_SIZE(skl_ddi_translations_hdmi); - return skl_ddi_translations_hdmi; - } -} - -static int skl_buf_trans_num_entries(enum port port, int n_entries) -{ - /* Only DDIA and DDIE can select the 10th register with DP */ - if (port == PORT_A || port == PORT_E) - return min(n_entries, 10); - else - return min(n_entries, 9); -} - -static const struct ddi_buf_trans * -intel_ddi_get_buf_trans_dp(struct drm_i915_private *dev_priv, - enum port port, int *n_entries) -{ - if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) { - const struct ddi_buf_trans *ddi_translations = - kbl_get_buf_trans_dp(dev_priv, n_entries); - *n_entries = skl_buf_trans_num_entries(port, *n_entries); - return ddi_translations; - } else if (IS_SKYLAKE(dev_priv)) { - const struct ddi_buf_trans *ddi_translations = - skl_get_buf_trans_dp(dev_priv, n_entries); - *n_entries = skl_buf_trans_num_entries(port, *n_entries); - return ddi_translations; - } else if (IS_BROADWELL(dev_priv)) { - *n_entries = ARRAY_SIZE(bdw_ddi_translations_dp); - return bdw_ddi_translations_dp; - } else if (IS_HASWELL(dev_priv)) { - *n_entries = ARRAY_SIZE(hsw_ddi_translations_dp); - return hsw_ddi_translations_dp; - } - - *n_entries = 0; - return NULL; -} - -static const struct ddi_buf_trans * -intel_ddi_get_buf_trans_edp(struct drm_i915_private *dev_priv, - enum port port, int *n_entries) -{ - if (IS_GEN9_BC(dev_priv)) { - const struct ddi_buf_trans *ddi_translations = - skl_get_buf_trans_edp(dev_priv, n_entries); - *n_entries = skl_buf_trans_num_entries(port, *n_entries); - return ddi_translations; - } else if (IS_BROADWELL(dev_priv)) { - return bdw_get_buf_trans_edp(dev_priv, n_entries); - } else if (IS_HASWELL(dev_priv)) { - *n_entries = ARRAY_SIZE(hsw_ddi_translations_dp); - return hsw_ddi_translations_dp; - } - - *n_entries = 0; - return NULL; -} - -static const struct ddi_buf_trans * -intel_ddi_get_buf_trans_fdi(struct drm_i915_private *dev_priv, - int *n_entries) -{ - if (IS_BROADWELL(dev_priv)) { - *n_entries = ARRAY_SIZE(bdw_ddi_translations_fdi); - return bdw_ddi_translations_fdi; - } else if (IS_HASWELL(dev_priv)) { - *n_entries = ARRAY_SIZE(hsw_ddi_translations_fdi); - return hsw_ddi_translations_fdi; - } - - *n_entries = 0; - return NULL; -} - -static const struct ddi_buf_trans * -intel_ddi_get_buf_trans_hdmi(struct drm_i915_private *dev_priv, - int *n_entries) -{ - if (IS_GEN9_BC(dev_priv)) { - return skl_get_buf_trans_hdmi(dev_priv, n_entries); - } else if (IS_BROADWELL(dev_priv)) { - *n_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi); - return bdw_ddi_translations_hdmi; - } else if (IS_HASWELL(dev_priv)) { - *n_entries = ARRAY_SIZE(hsw_ddi_translations_hdmi); - return hsw_ddi_translations_hdmi; - } - - *n_entries = 0; - return NULL; -} - -static const struct bxt_ddi_buf_trans * -bxt_get_buf_trans_dp(struct drm_i915_private *dev_priv, int *n_entries) -{ - *n_entries = ARRAY_SIZE(bxt_ddi_translations_dp); - return bxt_ddi_translations_dp; -} - -static const struct bxt_ddi_buf_trans * -bxt_get_buf_trans_edp(struct drm_i915_private *dev_priv, int *n_entries) -{ - if (dev_priv->vbt.edp.low_vswing) { - *n_entries = ARRAY_SIZE(bxt_ddi_translations_edp); - return bxt_ddi_translations_edp; - } - - return bxt_get_buf_trans_dp(dev_priv, n_entries); -} - -static const struct bxt_ddi_buf_trans * -bxt_get_buf_trans_hdmi(struct drm_i915_private *dev_priv, int *n_entries) +static int intel_ddi_hdmi_level(struct intel_encoder *encoder, + const struct intel_ddi_buf_trans *trans) { - *n_entries = ARRAY_SIZE(bxt_ddi_translations_hdmi); - return bxt_ddi_translations_hdmi; -} + int level; -static const struct cnl_ddi_buf_trans * -cnl_get_buf_trans_hdmi(struct drm_i915_private *dev_priv, int *n_entries) -{ - u32 voltage = I915_READ(CNL_PORT_COMP_DW3) & VOLTAGE_INFO_MASK; + level = intel_bios_hdmi_level_shift(encoder); + if (level < 0) + level = trans->hdmi_default_entry; - if (voltage == VOLTAGE_INFO_0_85V) { - *n_entries = ARRAY_SIZE(cnl_ddi_translations_hdmi_0_85V); - return cnl_ddi_translations_hdmi_0_85V; - } else if (voltage == VOLTAGE_INFO_0_95V) { - *n_entries = ARRAY_SIZE(cnl_ddi_translations_hdmi_0_95V); - return cnl_ddi_translations_hdmi_0_95V; - } else if (voltage == VOLTAGE_INFO_1_05V) { - *n_entries = ARRAY_SIZE(cnl_ddi_translations_hdmi_1_05V); - return cnl_ddi_translations_hdmi_1_05V; - } else { - *n_entries = 1; /* shut up gcc */ - MISSING_CASE(voltage); - } - return NULL; -} - -static const struct cnl_ddi_buf_trans * -cnl_get_buf_trans_dp(struct drm_i915_private *dev_priv, int *n_entries) -{ - u32 voltage = I915_READ(CNL_PORT_COMP_DW3) & VOLTAGE_INFO_MASK; - - if (voltage == VOLTAGE_INFO_0_85V) { - *n_entries = ARRAY_SIZE(cnl_ddi_translations_dp_0_85V); - return cnl_ddi_translations_dp_0_85V; - } else if (voltage == VOLTAGE_INFO_0_95V) { - *n_entries = ARRAY_SIZE(cnl_ddi_translations_dp_0_95V); - return cnl_ddi_translations_dp_0_95V; - } else if (voltage == VOLTAGE_INFO_1_05V) { - *n_entries = ARRAY_SIZE(cnl_ddi_translations_dp_1_05V); - return cnl_ddi_translations_dp_1_05V; - } else { - *n_entries = 1; /* shut up gcc */ - MISSING_CASE(voltage); - } - return NULL; -} - -static const struct cnl_ddi_buf_trans * -cnl_get_buf_trans_edp(struct drm_i915_private *dev_priv, int *n_entries) -{ - u32 voltage = I915_READ(CNL_PORT_COMP_DW3) & VOLTAGE_INFO_MASK; - - if (dev_priv->vbt.edp.low_vswing) { - if (voltage == VOLTAGE_INFO_0_85V) { - *n_entries = ARRAY_SIZE(cnl_ddi_translations_edp_0_85V); - return cnl_ddi_translations_edp_0_85V; - } else if (voltage == VOLTAGE_INFO_0_95V) { - *n_entries = ARRAY_SIZE(cnl_ddi_translations_edp_0_95V); - return cnl_ddi_translations_edp_0_95V; - } else if (voltage == VOLTAGE_INFO_1_05V) { - *n_entries = ARRAY_SIZE(cnl_ddi_translations_edp_1_05V); - return cnl_ddi_translations_edp_1_05V; - } else { - *n_entries = 1; /* shut up gcc */ - MISSING_CASE(voltage); - } - return NULL; - } else { - return cnl_get_buf_trans_dp(dev_priv, n_entries); - } + return level; } -static const struct cnl_ddi_buf_trans * -icl_get_combo_buf_trans(struct drm_i915_private *dev_priv, enum port port, - int type, int rate, int *n_entries) +static bool has_buf_trans_select(struct drm_i915_private *i915) { - if (type == INTEL_OUTPUT_HDMI) { - *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_hdmi); - return icl_combo_phy_ddi_translations_hdmi; - } else if (rate > 540000 && type == INTEL_OUTPUT_EDP) { - *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_edp_hbr3); - return icl_combo_phy_ddi_translations_edp_hbr3; - } else if (type == INTEL_OUTPUT_EDP && dev_priv->vbt.edp.low_vswing) { - *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_edp_hbr2); - return icl_combo_phy_ddi_translations_edp_hbr2; - } - - *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_dp_hbr2); - return icl_combo_phy_ddi_translations_dp_hbr2; + return DISPLAY_VER(i915) < 10 && !IS_BROXTON(i915); } -static int intel_ddi_hdmi_level(struct drm_i915_private *dev_priv, enum port port) +static bool has_iboost(struct drm_i915_private *i915) { - int n_entries, level, default_entry; - - level = dev_priv->vbt.ddi_port_info[port].hdmi_level_shift; - - if (INTEL_GEN(dev_priv) >= 11) { - if (intel_port_is_combophy(dev_priv, port)) - icl_get_combo_buf_trans(dev_priv, port, INTEL_OUTPUT_HDMI, - 0, &n_entries); - else - n_entries = ARRAY_SIZE(icl_mg_phy_ddi_translations); - default_entry = n_entries - 1; - } else if (IS_CANNONLAKE(dev_priv)) { - cnl_get_buf_trans_hdmi(dev_priv, &n_entries); - default_entry = n_entries - 1; - } else if (IS_GEN9_LP(dev_priv)) { - bxt_get_buf_trans_hdmi(dev_priv, &n_entries); - default_entry = n_entries - 1; - } else if (IS_GEN9_BC(dev_priv)) { - intel_ddi_get_buf_trans_hdmi(dev_priv, &n_entries); - default_entry = 8; - } else if (IS_BROADWELL(dev_priv)) { - intel_ddi_get_buf_trans_hdmi(dev_priv, &n_entries); - default_entry = 7; - } else if (IS_HASWELL(dev_priv)) { - intel_ddi_get_buf_trans_hdmi(dev_priv, &n_entries); - default_entry = 6; - } else { - WARN(1, "ddi translation table missing\n"); - return 0; - } - - /* Choose a good default if VBT is badly populated */ - if (level == HDMI_LEVEL_SHIFT_UNKNOWN || level >= n_entries) - level = default_entry; - - if (WARN_ON_ONCE(n_entries == 0)) - return 0; - if (WARN_ON_ONCE(level >= n_entries)) - level = n_entries - 1; - - return level; + return DISPLAY_VER(i915) == 9 && !IS_BROXTON(i915); } /* @@ -914,35 +105,29 @@ static int intel_ddi_hdmi_level(struct drm_i915_private *dev_priv, enum port por * values in advance. This function programs the correct values for * DP/eDP/FDI use cases. */ -static void intel_prepare_dp_ddi_buffers(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state) +void hsw_prepare_dp_ddi_buffers(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); u32 iboost_bit = 0; int i, n_entries; enum port port = encoder->port; - const struct ddi_buf_trans *ddi_translations; - - if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_ANALOG)) - ddi_translations = intel_ddi_get_buf_trans_fdi(dev_priv, - &n_entries); - else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) - ddi_translations = intel_ddi_get_buf_trans_edp(dev_priv, port, - &n_entries); - else - ddi_translations = intel_ddi_get_buf_trans_dp(dev_priv, port, - &n_entries); + const struct intel_ddi_buf_trans *trans; + + trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); + if (drm_WARN_ON_ONCE(&dev_priv->drm, !trans)) + return; /* If we're boosting the current, set bit 31 of trans1 */ - if (IS_GEN9_BC(dev_priv) && - dev_priv->vbt.ddi_port_info[port].dp_boost_level) + if (has_iboost(dev_priv) && + intel_bios_encoder_dp_boost_level(encoder->devdata)) iboost_bit = DDI_BUF_BALANCE_LEG_ENABLE; for (i = 0; i < n_entries; i++) { - I915_WRITE(DDI_BUF_TRANS_LO(port, i), - ddi_translations[i].trans1 | iboost_bit); - I915_WRITE(DDI_BUF_TRANS_HI(port, i), - ddi_translations[i].trans2); + intel_de_write(dev_priv, DDI_BUF_TRANS_LO(port, i), + trans->entries[i].hsw.trans1 | iboost_bit); + intel_de_write(dev_priv, DDI_BUF_TRANS_HI(port, i), + trans->entries[i].hsw.trans2); } } @@ -951,46 +136,63 @@ static void intel_prepare_dp_ddi_buffers(struct intel_encoder *encoder, * values in advance. This function programs the correct values for * HDMI/DVI use cases. */ -static void intel_prepare_hdmi_ddi_buffers(struct intel_encoder *encoder, - int level) +static void hsw_prepare_hdmi_ddi_buffers(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + int level = intel_ddi_level(encoder, crtc_state, 0); u32 iboost_bit = 0; int n_entries; enum port port = encoder->port; - const struct ddi_buf_trans *ddi_translations; + const struct intel_ddi_buf_trans *trans; - ddi_translations = intel_ddi_get_buf_trans_hdmi(dev_priv, &n_entries); - - if (WARN_ON_ONCE(!ddi_translations)) + trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); + if (drm_WARN_ON_ONCE(&dev_priv->drm, !trans)) return; - if (WARN_ON_ONCE(level >= n_entries)) - level = n_entries - 1; /* If we're boosting the current, set bit 31 of trans1 */ - if (IS_GEN9_BC(dev_priv) && - dev_priv->vbt.ddi_port_info[port].hdmi_boost_level) + if (has_iboost(dev_priv) && + intel_bios_encoder_hdmi_boost_level(encoder->devdata)) iboost_bit = DDI_BUF_BALANCE_LEG_ENABLE; /* Entry 9 is for HDMI: */ - I915_WRITE(DDI_BUF_TRANS_LO(port, 9), - ddi_translations[level].trans1 | iboost_bit); - I915_WRITE(DDI_BUF_TRANS_HI(port, 9), - ddi_translations[level].trans2); + intel_de_write(dev_priv, DDI_BUF_TRANS_LO(port, 9), + trans->entries[level].hsw.trans1 | iboost_bit); + intel_de_write(dev_priv, DDI_BUF_TRANS_HI(port, 9), + trans->entries[level].hsw.trans2); } -static void intel_wait_ddi_buf_idle(struct drm_i915_private *dev_priv, - enum port port) +void intel_wait_ddi_buf_idle(struct drm_i915_private *dev_priv, + enum port port) { - i915_reg_t reg = DDI_BUF_CTL(port); - int i; + if (IS_BROXTON(dev_priv)) { + udelay(16); + return; + } - for (i = 0; i < 16; i++) { - udelay(1); - if (I915_READ(reg) & DDI_BUF_IS_IDLE) - return; + if (wait_for_us((intel_de_read(dev_priv, DDI_BUF_CTL(port)) & + DDI_BUF_IS_IDLE), 8)) + drm_err(&dev_priv->drm, "Timeout waiting for DDI BUF %c to get idle\n", + port_name(port)); +} + +static void intel_wait_ddi_buf_active(struct drm_i915_private *dev_priv, + enum port port) +{ + int ret; + + /* Wait > 518 usecs for DDI_BUF_CTL to be non idle */ + if (DISPLAY_VER(dev_priv) < 10) { + usleep_range(518, 1000); + return; } - DRM_ERROR("Timeout waiting for DDI BUF %c idle bit\n", port_name(port)); + + ret = _wait_for(!(intel_de_read(dev_priv, DDI_BUF_CTL(port)) & + DDI_BUF_IS_IDLE), IS_DG2(dev_priv) ? 1200 : 500, 10, 10); + + if (ret) + drm_err(&dev_priv->drm, "Timeout waiting for DDI BUF %c to get active\n", + port_name(port)); } static u32 hsw_pll_to_ddi_pll_sel(const struct intel_shared_dpll *pll) @@ -1047,344 +249,61 @@ static u32 icl_pll_to_ddi_clk_sel(struct intel_encoder *encoder, case DPLL_ID_ICL_MGPLL2: case DPLL_ID_ICL_MGPLL3: case DPLL_ID_ICL_MGPLL4: + case DPLL_ID_TGL_MGPLL5: + case DPLL_ID_TGL_MGPLL6: return DDI_CLK_SEL_MG; } } -/* Starting with Haswell, different DDI ports can work in FDI mode for - * connection to the PCH-located connectors. For this, it is necessary to train - * both the DDI port and PCH receiver for the desired DDI buffer settings. - * - * The recommended port to work in FDI mode is DDI E, which we use here. Also, - * please note that when FDI mode is active on DDI E, it shares 2 lines with - * DDI A (which is used for eDP) - */ - -void hsw_fdi_link_train(struct intel_crtc *crtc, - const struct intel_crtc_state *crtc_state) -{ - struct drm_device *dev = crtc->base.dev; - struct drm_i915_private *dev_priv = to_i915(dev); - struct intel_encoder *encoder; - u32 temp, i, rx_ctl_val, ddi_pll_sel; - - for_each_encoder_on_crtc(dev, &crtc->base, encoder) { - WARN_ON(encoder->type != INTEL_OUTPUT_ANALOG); - intel_prepare_dp_ddi_buffers(encoder, crtc_state); - } - - /* Set the FDI_RX_MISC pwrdn lanes and the 2 workarounds listed at the - * mode set "sequence for CRT port" document: - * - TP1 to TP2 time with the default value - * - FDI delay to 90h - * - * WaFDIAutoLinkSetTimingOverrride:hsw - */ - I915_WRITE(FDI_RX_MISC(PIPE_A), FDI_RX_PWRDN_LANE1_VAL(2) | - FDI_RX_PWRDN_LANE0_VAL(2) | - FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); - - /* Enable the PCH Receiver FDI PLL */ - rx_ctl_val = dev_priv->fdi_rx_config | FDI_RX_ENHANCE_FRAME_ENABLE | - FDI_RX_PLL_ENABLE | - FDI_DP_PORT_WIDTH(crtc_state->fdi_lanes); - I915_WRITE(FDI_RX_CTL(PIPE_A), rx_ctl_val); - POSTING_READ(FDI_RX_CTL(PIPE_A)); - udelay(220); - - /* Switch from Rawclk to PCDclk */ - rx_ctl_val |= FDI_PCDCLK; - I915_WRITE(FDI_RX_CTL(PIPE_A), rx_ctl_val); - - /* Configure Port Clock Select */ - ddi_pll_sel = hsw_pll_to_ddi_pll_sel(crtc_state->shared_dpll); - I915_WRITE(PORT_CLK_SEL(PORT_E), ddi_pll_sel); - WARN_ON(ddi_pll_sel != PORT_CLK_SEL_SPLL); - - /* Start the training iterating through available voltages and emphasis, - * testing each value twice. */ - for (i = 0; i < ARRAY_SIZE(hsw_ddi_translations_fdi) * 2; i++) { - /* Configure DP_TP_CTL with auto-training */ - I915_WRITE(DP_TP_CTL(PORT_E), - DP_TP_CTL_FDI_AUTOTRAIN | - DP_TP_CTL_ENHANCED_FRAME_ENABLE | - DP_TP_CTL_LINK_TRAIN_PAT1 | - DP_TP_CTL_ENABLE); - - /* Configure and enable DDI_BUF_CTL for DDI E with next voltage. - * DDI E does not support port reversal, the functionality is - * achieved on the PCH side in FDI_RX_CTL, so no need to set the - * port reversal bit */ - I915_WRITE(DDI_BUF_CTL(PORT_E), - DDI_BUF_CTL_ENABLE | - ((crtc_state->fdi_lanes - 1) << 1) | - DDI_BUF_TRANS_SELECT(i / 2)); - POSTING_READ(DDI_BUF_CTL(PORT_E)); - - udelay(600); - - /* Program PCH FDI Receiver TU */ - I915_WRITE(FDI_RX_TUSIZE1(PIPE_A), TU_SIZE(64)); - - /* Enable PCH FDI Receiver with auto-training */ - rx_ctl_val |= FDI_RX_ENABLE | FDI_LINK_TRAIN_AUTO; - I915_WRITE(FDI_RX_CTL(PIPE_A), rx_ctl_val); - POSTING_READ(FDI_RX_CTL(PIPE_A)); - - /* Wait for FDI receiver lane calibration */ - udelay(30); - - /* Unset FDI_RX_MISC pwrdn lanes */ - temp = I915_READ(FDI_RX_MISC(PIPE_A)); - temp &= ~(FDI_RX_PWRDN_LANE1_MASK | FDI_RX_PWRDN_LANE0_MASK); - I915_WRITE(FDI_RX_MISC(PIPE_A), temp); - POSTING_READ(FDI_RX_MISC(PIPE_A)); - - /* Wait for FDI auto training time */ - udelay(5); - - temp = I915_READ(DP_TP_STATUS(PORT_E)); - if (temp & DP_TP_STATUS_AUTOTRAIN_DONE) { - DRM_DEBUG_KMS("FDI link training done on step %d\n", i); - break; - } - - /* - * Leave things enabled even if we failed to train FDI. - * Results in less fireworks from the state checker. - */ - if (i == ARRAY_SIZE(hsw_ddi_translations_fdi) * 2 - 1) { - DRM_ERROR("FDI link training failed!\n"); - break; - } - - rx_ctl_val &= ~FDI_RX_ENABLE; - I915_WRITE(FDI_RX_CTL(PIPE_A), rx_ctl_val); - POSTING_READ(FDI_RX_CTL(PIPE_A)); - - temp = I915_READ(DDI_BUF_CTL(PORT_E)); - temp &= ~DDI_BUF_CTL_ENABLE; - I915_WRITE(DDI_BUF_CTL(PORT_E), temp); - POSTING_READ(DDI_BUF_CTL(PORT_E)); - - /* Disable DP_TP_CTL and FDI_RX_CTL and retry */ - temp = I915_READ(DP_TP_CTL(PORT_E)); - temp &= ~(DP_TP_CTL_ENABLE | DP_TP_CTL_LINK_TRAIN_MASK); - temp |= DP_TP_CTL_LINK_TRAIN_PAT1; - I915_WRITE(DP_TP_CTL(PORT_E), temp); - POSTING_READ(DP_TP_CTL(PORT_E)); - - intel_wait_ddi_buf_idle(dev_priv, PORT_E); - - /* Reset FDI_RX_MISC pwrdn lanes */ - temp = I915_READ(FDI_RX_MISC(PIPE_A)); - temp &= ~(FDI_RX_PWRDN_LANE1_MASK | FDI_RX_PWRDN_LANE0_MASK); - temp |= FDI_RX_PWRDN_LANE1_VAL(2) | FDI_RX_PWRDN_LANE0_VAL(2); - I915_WRITE(FDI_RX_MISC(PIPE_A), temp); - POSTING_READ(FDI_RX_MISC(PIPE_A)); - } - - /* Enable normal pixel sending for FDI */ - I915_WRITE(DP_TP_CTL(PORT_E), - DP_TP_CTL_FDI_AUTOTRAIN | - DP_TP_CTL_LINK_TRAIN_NORMAL | - DP_TP_CTL_ENHANCED_FRAME_ENABLE | - DP_TP_CTL_ENABLE); -} - -static void intel_ddi_init_dp_buf_reg(struct intel_encoder *encoder) -{ - struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); - struct intel_digital_port *intel_dig_port = - enc_to_dig_port(&encoder->base); - - intel_dp->DP = intel_dig_port->saved_port_bits | - DDI_BUF_CTL_ENABLE | DDI_BUF_TRANS_SELECT(0); - intel_dp->DP |= DDI_PORT_WIDTH(intel_dp->lane_count); -} - -static struct intel_encoder * -intel_ddi_get_crtc_encoder(struct intel_crtc *crtc) -{ - struct drm_device *dev = crtc->base.dev; - struct intel_encoder *encoder, *ret = NULL; - int num_encoders = 0; - - for_each_encoder_on_crtc(dev, &crtc->base, encoder) { - ret = encoder; - num_encoders++; - } - - if (num_encoders != 1) - WARN(1, "%d encoders on crtc for pipe %c\n", num_encoders, - pipe_name(crtc->pipe)); - - BUG_ON(ret == NULL); - return ret; -} - -static int hsw_ddi_calc_wrpll_link(struct drm_i915_private *dev_priv, - i915_reg_t reg) +static u32 ddi_buf_phy_link_rate(int port_clock) { - int refclk; - int n, p, r; - u32 wrpll; - - wrpll = I915_READ(reg); - switch (wrpll & WRPLL_REF_MASK) { - case WRPLL_REF_SPECIAL_HSW: - /* - * muxed-SSC for BDW. - * non-SSC for non-ULT HSW. Check FUSE_STRAP3 - * for the non-SSC reference frequency. - */ - if (IS_HASWELL(dev_priv) && !IS_HSW_ULT(dev_priv)) { - if (I915_READ(FUSE_STRAP3) & HSW_REF_CLK_SELECT) - refclk = 24; - else - refclk = 135; - break; - } - /* fall through */ - case WRPLL_REF_PCH_SSC: - /* - * We could calculate spread here, but our checking - * code only cares about 5% accuracy, and spread is a max of - * 0.5% downspread. - */ - refclk = 135; - break; - case WRPLL_REF_LCPLL: - refclk = 2700; - break; + switch (port_clock) { + case 162000: + return DDI_BUF_PHY_LINK_RATE(0); + case 216000: + return DDI_BUF_PHY_LINK_RATE(4); + case 243000: + return DDI_BUF_PHY_LINK_RATE(5); + case 270000: + return DDI_BUF_PHY_LINK_RATE(1); + case 324000: + return DDI_BUF_PHY_LINK_RATE(6); + case 432000: + return DDI_BUF_PHY_LINK_RATE(7); + case 540000: + return DDI_BUF_PHY_LINK_RATE(2); + case 810000: + return DDI_BUF_PHY_LINK_RATE(3); default: - MISSING_CASE(wrpll); - return 0; + MISSING_CASE(port_clock); + return DDI_BUF_PHY_LINK_RATE(0); } - - r = wrpll & WRPLL_DIVIDER_REF_MASK; - p = (wrpll & WRPLL_DIVIDER_POST_MASK) >> WRPLL_DIVIDER_POST_SHIFT; - n = (wrpll & WRPLL_DIVIDER_FB_MASK) >> WRPLL_DIVIDER_FB_SHIFT; - - /* Convert to KHz, p & r have a fixed point portion */ - return (refclk * n * 100) / (p * r); } -static int skl_calc_wrpll_link(const struct intel_dpll_hw_state *pll_state) +static void intel_ddi_init_dp_buf_reg(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { - u32 p0, p1, p2, dco_freq; - - p0 = pll_state->cfgcr2 & DPLL_CFGCR2_PDIV_MASK; - p2 = pll_state->cfgcr2 & DPLL_CFGCR2_KDIV_MASK; - - if (pll_state->cfgcr2 & DPLL_CFGCR2_QDIV_MODE(1)) - p1 = (pll_state->cfgcr2 & DPLL_CFGCR2_QDIV_RATIO_MASK) >> 8; - else - p1 = 1; - - - switch (p0) { - case DPLL_CFGCR2_PDIV_1: - p0 = 1; - break; - case DPLL_CFGCR2_PDIV_2: - p0 = 2; - break; - case DPLL_CFGCR2_PDIV_3: - p0 = 3; - break; - case DPLL_CFGCR2_PDIV_7: - p0 = 7; - break; - } - - switch (p2) { - case DPLL_CFGCR2_KDIV_5: - p2 = 5; - break; - case DPLL_CFGCR2_KDIV_2: - p2 = 2; - break; - case DPLL_CFGCR2_KDIV_3: - p2 = 3; - break; - case DPLL_CFGCR2_KDIV_1: - p2 = 1; - break; - } - - dco_freq = (pll_state->cfgcr1 & DPLL_CFGCR1_DCO_INTEGER_MASK) - * 24 * 1000; - - dco_freq += (((pll_state->cfgcr1 & DPLL_CFGCR1_DCO_FRACTION_MASK) >> 9) - * 24 * 1000) / 0x8000; - - if (WARN_ON(p0 == 0 || p1 == 0 || p2 == 0)) - return 0; - - return dco_freq / (p0 * p1 * p2 * 5); -} - -int cnl_calc_wrpll_link(struct drm_i915_private *dev_priv, - struct intel_dpll_hw_state *pll_state) -{ - u32 p0, p1, p2, dco_freq, ref_clock; - - p0 = pll_state->cfgcr1 & DPLL_CFGCR1_PDIV_MASK; - p2 = pll_state->cfgcr1 & DPLL_CFGCR1_KDIV_MASK; - - if (pll_state->cfgcr1 & DPLL_CFGCR1_QDIV_MODE(1)) - p1 = (pll_state->cfgcr1 & DPLL_CFGCR1_QDIV_RATIO_MASK) >> - DPLL_CFGCR1_QDIV_RATIO_SHIFT; - else - p1 = 1; + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); + enum phy phy = intel_port_to_phy(i915, encoder->port); + /* DDI_BUF_CTL_ENABLE will be set by intel_ddi_prepare_link_retrain() later */ + intel_dp->DP = dig_port->saved_port_bits | + DDI_PORT_WIDTH(crtc_state->lane_count) | + DDI_BUF_TRANS_SELECT(0); - switch (p0) { - case DPLL_CFGCR1_PDIV_2: - p0 = 2; - break; - case DPLL_CFGCR1_PDIV_3: - p0 = 3; - break; - case DPLL_CFGCR1_PDIV_5: - p0 = 5; - break; - case DPLL_CFGCR1_PDIV_7: - p0 = 7; - break; + if (IS_ALDERLAKE_P(i915) && intel_phy_is_tc(i915, phy)) { + intel_dp->DP |= ddi_buf_phy_link_rate(crtc_state->port_clock); + if (!intel_tc_port_in_tbt_alt_mode(dig_port)) + intel_dp->DP |= DDI_BUF_CTL_TC_PHY_OWNERSHIP; } - - switch (p2) { - case DPLL_CFGCR1_KDIV_1: - p2 = 1; - break; - case DPLL_CFGCR1_KDIV_2: - p2 = 2; - break; - case DPLL_CFGCR1_KDIV_3: - p2 = 3; - break; - } - - ref_clock = cnl_hdmi_pll_ref_clock(dev_priv); - - dco_freq = (pll_state->cfgcr0 & DPLL_CFGCR0_DCO_INTEGER_MASK) - * ref_clock; - - dco_freq += (((pll_state->cfgcr0 & DPLL_CFGCR0_DCO_FRACTION_MASK) >> - DPLL_CFGCR0_DCO_FRACTION_SHIFT) * ref_clock) / 0x8000; - - if (WARN_ON(p0 == 0 || p1 == 0 || p2 == 0)) - return 0; - - return dco_freq / (p0 * p1 * p2 * 5); } static int icl_calc_tbt_pll_link(struct drm_i915_private *dev_priv, enum port port) { - u32 val = I915_READ(DDI_CLK_SEL(port)) & DDI_CLK_SEL_MASK; + u32 val = intel_de_read(dev_priv, DDI_CLK_SEL(port)) & DDI_CLK_SEL_MASK; switch (val) { case DDI_CLK_SEL_NONE: @@ -1403,70 +322,19 @@ static int icl_calc_tbt_pll_link(struct drm_i915_private *dev_priv, } } -static int icl_calc_mg_pll_link(struct drm_i915_private *dev_priv, - const struct intel_dpll_hw_state *pll_state) -{ - u32 m1, m2_int, m2_frac, div1, div2, ref_clock; - u64 tmp; - - ref_clock = dev_priv->cdclk.hw.ref; - - m1 = pll_state->mg_pll_div1 & MG_PLL_DIV1_FBPREDIV_MASK; - m2_int = pll_state->mg_pll_div0 & MG_PLL_DIV0_FBDIV_INT_MASK; - m2_frac = (pll_state->mg_pll_div0 & MG_PLL_DIV0_FRACNEN_H) ? - (pll_state->mg_pll_div0 & MG_PLL_DIV0_FBDIV_FRAC_MASK) >> - MG_PLL_DIV0_FBDIV_FRAC_SHIFT : 0; - - switch (pll_state->mg_clktop2_hsclkctl & - MG_CLKTOP2_HSCLKCTL_HSDIV_RATIO_MASK) { - case MG_CLKTOP2_HSCLKCTL_HSDIV_RATIO_2: - div1 = 2; - break; - case MG_CLKTOP2_HSCLKCTL_HSDIV_RATIO_3: - div1 = 3; - break; - case MG_CLKTOP2_HSCLKCTL_HSDIV_RATIO_5: - div1 = 5; - break; - case MG_CLKTOP2_HSCLKCTL_HSDIV_RATIO_7: - div1 = 7; - break; - default: - MISSING_CASE(pll_state->mg_clktop2_hsclkctl); - return 0; - } - - div2 = (pll_state->mg_clktop2_hsclkctl & - MG_CLKTOP2_HSCLKCTL_DSDIV_RATIO_MASK) >> - MG_CLKTOP2_HSCLKCTL_DSDIV_RATIO_SHIFT; - - /* div2 value of 0 is same as 1 means no div */ - if (div2 == 0) - div2 = 1; - - /* - * Adjust the original formula to delay the division by 2^22 in order to - * minimize possible rounding errors. - */ - tmp = (u64)m1 * m2_int * ref_clock + - (((u64)m1 * m2_frac * ref_clock) >> 22); - tmp = div_u64(tmp, 5 * div1 * div2); - - return tmp; -} - static void ddi_dotclock_get(struct intel_crtc_state *pipe_config) { int dotclock; + /* CRT dotclock is determined via other means */ if (pipe_config->has_pch_encoder) - dotclock = intel_dotclock_calculate(pipe_config->port_clock, - &pipe_config->fdi_m_n); - else if (intel_crtc_has_dp_encoder(pipe_config)) + return; + + if (intel_crtc_has_dp_encoder(pipe_config)) dotclock = intel_dotclock_calculate(pipe_config->port_clock, &pipe_config->dp_m_n); - else if (pipe_config->has_hdmi_sink && pipe_config->pipe_bpp == 36) - dotclock = pipe_config->port_clock * 2 / 3; + else if (pipe_config->has_hdmi_sink && pipe_config->pipe_bpp > 24) + dotclock = pipe_config->port_clock * 24 / pipe_config->pipe_bpp; else dotclock = pipe_config->port_clock; @@ -1477,221 +345,13 @@ static void ddi_dotclock_get(struct intel_crtc_state *pipe_config) if (pipe_config->pixel_multiplier) dotclock /= pipe_config->pixel_multiplier; - pipe_config->base.adjusted_mode.crtc_clock = dotclock; -} - -static void icl_ddi_clock_get(struct intel_encoder *encoder, - struct intel_crtc_state *pipe_config) -{ - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dpll_hw_state *pll_state = &pipe_config->dpll_hw_state; - enum port port = encoder->port; - int link_clock; - - if (intel_port_is_combophy(dev_priv, port)) { - link_clock = cnl_calc_wrpll_link(dev_priv, pll_state); - } else { - enum intel_dpll_id pll_id = intel_get_shared_dpll_id(dev_priv, - pipe_config->shared_dpll); - - if (pll_id == DPLL_ID_ICL_TBTPLL) - link_clock = icl_calc_tbt_pll_link(dev_priv, port); - else - link_clock = icl_calc_mg_pll_link(dev_priv, pll_state); - } - - pipe_config->port_clock = link_clock; - - ddi_dotclock_get(pipe_config); -} - -static void cnl_ddi_clock_get(struct intel_encoder *encoder, - struct intel_crtc_state *pipe_config) -{ - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dpll_hw_state *pll_state = &pipe_config->dpll_hw_state; - int link_clock; - - if (pll_state->cfgcr0 & DPLL_CFGCR0_HDMI_MODE) { - link_clock = cnl_calc_wrpll_link(dev_priv, pll_state); - } else { - link_clock = pll_state->cfgcr0 & DPLL_CFGCR0_LINK_RATE_MASK; - - switch (link_clock) { - case DPLL_CFGCR0_LINK_RATE_810: - link_clock = 81000; - break; - case DPLL_CFGCR0_LINK_RATE_1080: - link_clock = 108000; - break; - case DPLL_CFGCR0_LINK_RATE_1350: - link_clock = 135000; - break; - case DPLL_CFGCR0_LINK_RATE_1620: - link_clock = 162000; - break; - case DPLL_CFGCR0_LINK_RATE_2160: - link_clock = 216000; - break; - case DPLL_CFGCR0_LINK_RATE_2700: - link_clock = 270000; - break; - case DPLL_CFGCR0_LINK_RATE_3240: - link_clock = 324000; - break; - case DPLL_CFGCR0_LINK_RATE_4050: - link_clock = 405000; - break; - default: - WARN(1, "Unsupported link rate\n"); - break; - } - link_clock *= 2; - } - - pipe_config->port_clock = link_clock; - - ddi_dotclock_get(pipe_config); + pipe_config->hw.adjusted_mode.crtc_clock = dotclock; } -static void skl_ddi_clock_get(struct intel_encoder *encoder, - struct intel_crtc_state *pipe_config) +void intel_ddi_set_dp_msa(const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) { - struct intel_dpll_hw_state *pll_state = &pipe_config->dpll_hw_state; - int link_clock; - - /* - * ctrl1 register is already shifted for each pll, just use 0 to get - * the internal shift for each field - */ - if (pll_state->ctrl1 & DPLL_CTRL1_HDMI_MODE(0)) { - link_clock = skl_calc_wrpll_link(pll_state); - } else { - link_clock = pll_state->ctrl1 & DPLL_CTRL1_LINK_RATE_MASK(0); - link_clock >>= DPLL_CTRL1_LINK_RATE_SHIFT(0); - - switch (link_clock) { - case DPLL_CTRL1_LINK_RATE_810: - link_clock = 81000; - break; - case DPLL_CTRL1_LINK_RATE_1080: - link_clock = 108000; - break; - case DPLL_CTRL1_LINK_RATE_1350: - link_clock = 135000; - break; - case DPLL_CTRL1_LINK_RATE_1620: - link_clock = 162000; - break; - case DPLL_CTRL1_LINK_RATE_2160: - link_clock = 216000; - break; - case DPLL_CTRL1_LINK_RATE_2700: - link_clock = 270000; - break; - default: - WARN(1, "Unsupported link rate\n"); - break; - } - link_clock *= 2; - } - - pipe_config->port_clock = link_clock; - - ddi_dotclock_get(pipe_config); -} - -static void hsw_ddi_clock_get(struct intel_encoder *encoder, - struct intel_crtc_state *pipe_config) -{ - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - int link_clock = 0; - u32 val, pll; - - val = hsw_pll_to_ddi_pll_sel(pipe_config->shared_dpll); - switch (val & PORT_CLK_SEL_MASK) { - case PORT_CLK_SEL_LCPLL_810: - link_clock = 81000; - break; - case PORT_CLK_SEL_LCPLL_1350: - link_clock = 135000; - break; - case PORT_CLK_SEL_LCPLL_2700: - link_clock = 270000; - break; - case PORT_CLK_SEL_WRPLL1: - link_clock = hsw_ddi_calc_wrpll_link(dev_priv, WRPLL_CTL(0)); - break; - case PORT_CLK_SEL_WRPLL2: - link_clock = hsw_ddi_calc_wrpll_link(dev_priv, WRPLL_CTL(1)); - break; - case PORT_CLK_SEL_SPLL: - pll = I915_READ(SPLL_CTL) & SPLL_FREQ_MASK; - if (pll == SPLL_FREQ_810MHz) - link_clock = 81000; - else if (pll == SPLL_FREQ_1350MHz) - link_clock = 135000; - else if (pll == SPLL_FREQ_2700MHz) - link_clock = 270000; - else { - WARN(1, "bad spll freq\n"); - return; - } - break; - default: - WARN(1, "bad port clock sel\n"); - return; - } - - pipe_config->port_clock = link_clock * 2; - - ddi_dotclock_get(pipe_config); -} - -static int bxt_calc_pll_link(const struct intel_dpll_hw_state *pll_state) -{ - struct dpll clock; - - clock.m1 = 2; - clock.m2 = (pll_state->pll0 & PORT_PLL_M2_MASK) << 22; - if (pll_state->pll3 & PORT_PLL_M2_FRAC_ENABLE) - clock.m2 |= pll_state->pll2 & PORT_PLL_M2_FRAC_MASK; - clock.n = (pll_state->pll1 & PORT_PLL_N_MASK) >> PORT_PLL_N_SHIFT; - clock.p1 = (pll_state->ebb0 & PORT_PLL_P1_MASK) >> PORT_PLL_P1_SHIFT; - clock.p2 = (pll_state->ebb0 & PORT_PLL_P2_MASK) >> PORT_PLL_P2_SHIFT; - - return chv_calc_dpll_params(100000, &clock); -} - -static void bxt_ddi_clock_get(struct intel_encoder *encoder, - struct intel_crtc_state *pipe_config) -{ - pipe_config->port_clock = - bxt_calc_pll_link(&pipe_config->dpll_hw_state); - - ddi_dotclock_get(pipe_config); -} - -static void intel_ddi_clock_get(struct intel_encoder *encoder, - struct intel_crtc_state *pipe_config) -{ - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - - if (INTEL_GEN(dev_priv) >= 11) - icl_ddi_clock_get(encoder, pipe_config); - else if (IS_CANNONLAKE(dev_priv)) - cnl_ddi_clock_get(encoder, pipe_config); - else if (IS_GEN9_LP(dev_priv)) - bxt_ddi_clock_get(encoder, pipe_config); - else if (IS_GEN9_BC(dev_priv)) - skl_ddi_clock_get(encoder, pipe_config); - else if (INTEL_GEN(dev_priv) <= 8) - hsw_ddi_clock_get(encoder, pipe_config); -} - -void intel_ddi_set_pipe_settings(const struct intel_crtc_state *crtc_state) -{ - struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; u32 temp; @@ -1699,69 +359,88 @@ void intel_ddi_set_pipe_settings(const struct intel_crtc_state *crtc_state) if (!intel_crtc_has_dp_encoder(crtc_state)) return; - WARN_ON(transcoder_is_dsi(cpu_transcoder)); + drm_WARN_ON(&dev_priv->drm, transcoder_is_dsi(cpu_transcoder)); - temp = TRANS_MSA_SYNC_CLK; - - if (crtc_state->limited_color_range) - temp |= TRANS_MSA_CEA_RANGE; + temp = DP_MSA_MISC_SYNC_CLOCK; switch (crtc_state->pipe_bpp) { case 18: - temp |= TRANS_MSA_6_BPC; + temp |= DP_MSA_MISC_6_BPC; break; case 24: - temp |= TRANS_MSA_8_BPC; + temp |= DP_MSA_MISC_8_BPC; break; case 30: - temp |= TRANS_MSA_10_BPC; + temp |= DP_MSA_MISC_10_BPC; break; case 36: - temp |= TRANS_MSA_12_BPC; + temp |= DP_MSA_MISC_12_BPC; break; default: MISSING_CASE(crtc_state->pipe_bpp); break; } + /* nonsense combination */ + drm_WARN_ON(&dev_priv->drm, crtc_state->limited_color_range && + crtc_state->output_format != INTEL_OUTPUT_FORMAT_RGB); + + if (crtc_state->limited_color_range) + temp |= DP_MSA_MISC_COLOR_CEA_RGB; + /* * As per DP 1.2 spec section 2.3.4.3 while sending * YCBCR 444 signals we should program MSA MISC1/0 fields with - * colorspace information. The output colorspace encoding is BT601. + * colorspace information. */ if (crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR444) - temp |= TRANS_MSA_SAMPLING_444 | TRANS_MSA_CLRSP_YCBCR; + temp |= DP_MSA_MISC_COLOR_YCBCR_444_BT709; + /* * As per DP 1.4a spec section 2.2.4.3 [MSA Field for Indication * of Color Encoding Format and Content Color Gamut] while sending - * YCBCR 420 signals we should program MSA MISC1 fields which - * indicate VSC SDP for the Pixel Encoding/Colorimetry Format. + * YCBCR 420, HDR BT.2020 signals we should program MSA MISC1 fields + * which indicate VSC SDP for the Pixel Encoding/Colorimetry Format. */ - if (crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR420) - temp |= TRANS_MSA_USE_VSC_SDP; - I915_WRITE(TRANS_MSA_MISC(cpu_transcoder), temp); + if (intel_dp_needs_vsc_sdp(crtc_state, conn_state)) + temp |= DP_MSA_MISC_COLOR_VSC_SDP; + + intel_de_write(dev_priv, TRANS_MSA_MISC(cpu_transcoder), temp); } -void intel_ddi_set_vc_payload_alloc(const struct intel_crtc_state *crtc_state, - bool state) +static u32 bdw_trans_port_sync_master_select(enum transcoder master_transcoder) { - struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + if (master_transcoder == TRANSCODER_EDP) + return 0; + else + return master_transcoder + 1; +} + +static void +intel_ddi_config_transcoder_dp2(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; - u32 temp; + u32 val = 0; - temp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder)); - if (state == true) - temp |= TRANS_DDI_DP_VC_PAYLOAD_ALLOC; - else - temp &= ~TRANS_DDI_DP_VC_PAYLOAD_ALLOC; - I915_WRITE(TRANS_DDI_FUNC_CTL(cpu_transcoder), temp); + if (intel_dp_is_uhbr(crtc_state)) + val = TRANS_DP2_128B132B_CHANNEL_CODING; + + intel_de_write(i915, TRANS_DP2_CTL(cpu_transcoder), val); } -void intel_ddi_enable_transcoder_func(const struct intel_crtc_state *crtc_state) +/* + * Returns the TRANS_DDI_FUNC_CTL value based on CRTC state. + * + * Only intended to be used by intel_ddi_enable_transcoder_func() and + * intel_ddi_config_transcoder_func(). + */ +static u32 +intel_ddi_transcoder_func_reg_val_get(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { - struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); - struct intel_encoder *encoder = intel_ddi_get_crtc_encoder(crtc); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); enum pipe pipe = crtc->pipe; enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; @@ -1770,7 +449,10 @@ void intel_ddi_enable_transcoder_func(const struct intel_crtc_state *crtc_state) /* Enable TRANS_DDI_FUNC_CTL for the pipe to work in HDMI mode */ temp = TRANS_DDI_FUNC_ENABLE; - temp |= TRANS_DDI_SELECT_PORT(port); + if (DISPLAY_VER(dev_priv) >= 12) + temp |= TGL_TRANS_DDI_SELECT_PORT(port); + else + temp |= TRANS_DDI_SELECT_PORT(port); switch (crtc_state->pipe_bpp) { case 18: @@ -1789,9 +471,9 @@ void intel_ddi_enable_transcoder_func(const struct intel_crtc_state *crtc_state) BUG(); } - if (crtc_state->base.adjusted_mode.flags & DRM_MODE_FLAG_PVSYNC) + if (crtc_state->hw.adjusted_mode.flags & DRM_MODE_FLAG_PVSYNC) temp |= TRANS_DDI_PVSYNC; - if (crtc_state->base.adjusted_mode.flags & DRM_MODE_FLAG_PHSYNC) + if (crtc_state->hw.adjusted_mode.flags & DRM_MODE_FLAG_PHSYNC) temp |= TRANS_DDI_PHSYNC; if (cpu_transcoder == TRANSCODER_EDP) { @@ -1829,66 +511,148 @@ void intel_ddi_enable_transcoder_func(const struct intel_crtc_state *crtc_state) if (crtc_state->hdmi_high_tmds_clock_ratio) temp |= TRANS_DDI_HIGH_TMDS_CHAR_RATE; } else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_ANALOG)) { - temp |= TRANS_DDI_MODE_SELECT_FDI; + temp |= TRANS_DDI_MODE_SELECT_FDI_OR_128B132B; temp |= (crtc_state->fdi_lanes - 1) << 1; } else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST)) { - temp |= TRANS_DDI_MODE_SELECT_DP_MST; + if (intel_dp_is_uhbr(crtc_state)) + temp |= TRANS_DDI_MODE_SELECT_FDI_OR_128B132B; + else + temp |= TRANS_DDI_MODE_SELECT_DP_MST; temp |= DDI_PORT_WIDTH(crtc_state->lane_count); + + if (DISPLAY_VER(dev_priv) >= 12) { + enum transcoder master; + + master = crtc_state->mst_master_transcoder; + drm_WARN_ON(&dev_priv->drm, + master == INVALID_TRANSCODER); + temp |= TRANS_DDI_MST_TRANSPORT_SELECT(master); + } } else { temp |= TRANS_DDI_MODE_SELECT_DP_SST; temp |= DDI_PORT_WIDTH(crtc_state->lane_count); } - I915_WRITE(TRANS_DDI_FUNC_CTL(cpu_transcoder), temp); + if (IS_DISPLAY_VER(dev_priv, 8, 10) && + crtc_state->master_transcoder != INVALID_TRANSCODER) { + u8 master_select = + bdw_trans_port_sync_master_select(crtc_state->master_transcoder); + + temp |= TRANS_DDI_PORT_SYNC_ENABLE | + TRANS_DDI_PORT_SYNC_MASTER_SELECT(master_select); + } + + return temp; +} + +void intel_ddi_enable_transcoder_func(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; + + if (DISPLAY_VER(dev_priv) >= 11) { + enum transcoder master_transcoder = crtc_state->master_transcoder; + u32 ctl2 = 0; + + if (master_transcoder != INVALID_TRANSCODER) { + u8 master_select = + bdw_trans_port_sync_master_select(master_transcoder); + + ctl2 |= PORT_SYNC_MODE_ENABLE | + PORT_SYNC_MODE_MASTER_SELECT(master_select); + } + + intel_de_write(dev_priv, + TRANS_DDI_FUNC_CTL2(cpu_transcoder), ctl2); + } + + intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder), + intel_ddi_transcoder_func_reg_val_get(encoder, + crtc_state)); +} + +/* + * Same as intel_ddi_enable_transcoder_func(), but it does not set the enable + * bit. + */ +static void +intel_ddi_config_transcoder_func(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; + u32 ctl; + + ctl = intel_ddi_transcoder_func_reg_val_get(encoder, crtc_state); + ctl &= ~TRANS_DDI_FUNC_ENABLE; + intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder), ctl); } void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state) { - struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; - i915_reg_t reg = TRANS_DDI_FUNC_CTL(cpu_transcoder); - u32 val = I915_READ(reg); + u32 ctl; + + if (DISPLAY_VER(dev_priv) >= 11) + intel_de_write(dev_priv, + TRANS_DDI_FUNC_CTL2(cpu_transcoder), 0); + + ctl = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder)); + + drm_WARN_ON(crtc->base.dev, ctl & TRANS_DDI_HDCP_SIGNALLING); - val &= ~(TRANS_DDI_FUNC_ENABLE | TRANS_DDI_PORT_MASK | TRANS_DDI_DP_VC_PAYLOAD_ALLOC); - val |= TRANS_DDI_PORT_NONE; - I915_WRITE(reg, val); + ctl &= ~TRANS_DDI_FUNC_ENABLE; + + if (IS_DISPLAY_VER(dev_priv, 8, 10)) + ctl &= ~(TRANS_DDI_PORT_SYNC_ENABLE | + TRANS_DDI_PORT_SYNC_MASTER_SELECT_MASK); + + if (DISPLAY_VER(dev_priv) >= 12) { + if (!intel_dp_mst_is_master_trans(crtc_state)) { + ctl &= ~(TGL_TRANS_DDI_PORT_MASK | + TRANS_DDI_MODE_SELECT_MASK); + } + } else { + ctl &= ~(TRANS_DDI_PORT_MASK | TRANS_DDI_MODE_SELECT_MASK); + } + + intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder), ctl); if (dev_priv->quirks & QUIRK_INCREASE_DDI_DISABLED_TIME && intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) { - DRM_DEBUG_KMS("Quirk Increase DDI disabled time\n"); + drm_dbg_kms(&dev_priv->drm, + "Quirk Increase DDI disabled time\n"); /* Quirk time at 100ms for reliable operation */ msleep(100); } } -int intel_ddi_toggle_hdcp_signalling(struct intel_encoder *intel_encoder, - bool enable) +int intel_ddi_toggle_hdcp_bits(struct intel_encoder *intel_encoder, + enum transcoder cpu_transcoder, + bool enable, u32 hdcp_mask) { struct drm_device *dev = intel_encoder->base.dev; struct drm_i915_private *dev_priv = to_i915(dev); intel_wakeref_t wakeref; - enum pipe pipe = 0; int ret = 0; u32 tmp; wakeref = intel_display_power_get_if_enabled(dev_priv, intel_encoder->power_domain); - if (WARN_ON(!wakeref)) + if (drm_WARN_ON(dev, !wakeref)) return -ENXIO; - if (WARN_ON(!intel_encoder->get_hw_state(intel_encoder, &pipe))) { - ret = -EIO; - goto out; - } - - tmp = I915_READ(TRANS_DDI_FUNC_CTL(pipe)); + tmp = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder)); if (enable) - tmp |= TRANS_DDI_HDCP_SIGNALLING; + tmp |= hdcp_mask; else - tmp &= ~TRANS_DDI_HDCP_SIGNALLING; - I915_WRITE(TRANS_DDI_FUNC_CTL(pipe), tmp); -out: + tmp &= ~hdcp_mask; + intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder), tmp); intel_display_power_put(dev_priv, intel_encoder->power_domain, wakeref); return ret; } @@ -1897,7 +661,7 @@ bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector) { struct drm_device *dev = intel_connector->base.dev; struct drm_i915_private *dev_priv = to_i915(dev); - struct intel_encoder *encoder = intel_connector->encoder; + struct intel_encoder *encoder = intel_attached_encoder(intel_connector); int type = intel_connector->base.connector_type; enum port port = encoder->port; enum transcoder cpu_transcoder; @@ -1916,12 +680,12 @@ bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector) goto out; } - if (HAS_TRANSCODER_EDP(dev_priv) && port == PORT_A) + if (HAS_TRANSCODER(dev_priv, TRANSCODER_EDP) && port == PORT_A) cpu_transcoder = TRANSCODER_EDP; else cpu_transcoder = (enum transcoder) pipe; - tmp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder)); + tmp = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder)); switch (tmp & TRANS_DDI_MODE_SELECT_MASK) { case TRANS_DDI_MODE_SELECT_HDMI: @@ -1940,8 +704,13 @@ bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector) ret = false; break; - case TRANS_DDI_MODE_SELECT_FDI: - ret = type == DRM_MODE_CONNECTOR_VGA; + case TRANS_DDI_MODE_SELECT_FDI_OR_128B132B: + if (HAS_DP20(dev_priv)) + /* 128b/132b */ + ret = false; + else + /* FDI */ + ret = type == DRM_MODE_CONNECTOR_VGA; break; default: @@ -1974,17 +743,18 @@ static void intel_ddi_get_encoder_pipes(struct intel_encoder *encoder, if (!wakeref) return; - tmp = I915_READ(DDI_BUF_CTL(port)); + tmp = intel_de_read(dev_priv, DDI_BUF_CTL(port)); if (!(tmp & DDI_BUF_CTL_ENABLE)) goto out; - if (HAS_TRANSCODER_EDP(dev_priv) && port == PORT_A) { - tmp = I915_READ(TRANS_DDI_FUNC_CTL(TRANSCODER_EDP)); + if (HAS_TRANSCODER(dev_priv, TRANSCODER_EDP) && port == PORT_A) { + tmp = intel_de_read(dev_priv, + TRANS_DDI_FUNC_CTL(TRANSCODER_EDP)); switch (tmp & TRANS_DDI_EDP_INPUT_MASK) { default: MISSING_CASE(tmp & TRANS_DDI_EDP_INPUT_MASK); - /* fallthrough */ + fallthrough; case TRANS_DDI_EDP_INPUT_A_ON: case TRANS_DDI_EDP_INPUT_A_ONOFF: *pipe_mask = BIT(PIPE_A); @@ -2003,43 +773,68 @@ static void intel_ddi_get_encoder_pipes(struct intel_encoder *encoder, mst_pipe_mask = 0; for_each_pipe(dev_priv, p) { enum transcoder cpu_transcoder = (enum transcoder)p; + unsigned int port_mask, ddi_select; + intel_wakeref_t trans_wakeref; - tmp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder)); + trans_wakeref = intel_display_power_get_if_enabled(dev_priv, + POWER_DOMAIN_TRANSCODER(cpu_transcoder)); + if (!trans_wakeref) + continue; + + if (DISPLAY_VER(dev_priv) >= 12) { + port_mask = TGL_TRANS_DDI_PORT_MASK; + ddi_select = TGL_TRANS_DDI_SELECT_PORT(port); + } else { + port_mask = TRANS_DDI_PORT_MASK; + ddi_select = TRANS_DDI_SELECT_PORT(port); + } - if ((tmp & TRANS_DDI_PORT_MASK) != TRANS_DDI_SELECT_PORT(port)) + tmp = intel_de_read(dev_priv, + TRANS_DDI_FUNC_CTL(cpu_transcoder)); + intel_display_power_put(dev_priv, POWER_DOMAIN_TRANSCODER(cpu_transcoder), + trans_wakeref); + + if ((tmp & port_mask) != ddi_select) continue; - if ((tmp & TRANS_DDI_MODE_SELECT_MASK) == - TRANS_DDI_MODE_SELECT_DP_MST) + if ((tmp & TRANS_DDI_MODE_SELECT_MASK) == TRANS_DDI_MODE_SELECT_DP_MST || + (HAS_DP20(dev_priv) && + (tmp & TRANS_DDI_MODE_SELECT_MASK) == TRANS_DDI_MODE_SELECT_FDI_OR_128B132B)) mst_pipe_mask |= BIT(p); *pipe_mask |= BIT(p); } if (!*pipe_mask) - DRM_DEBUG_KMS("No pipe for ddi port %c found\n", - port_name(port)); + drm_dbg_kms(&dev_priv->drm, + "No pipe for [ENCODER:%d:%s] found\n", + encoder->base.base.id, encoder->base.name); if (!mst_pipe_mask && hweight8(*pipe_mask) > 1) { - DRM_DEBUG_KMS("Multiple pipes for non DP-MST port %c (pipe_mask %02x)\n", - port_name(port), *pipe_mask); + drm_dbg_kms(&dev_priv->drm, + "Multiple pipes for [ENCODER:%d:%s] (pipe_mask %02x)\n", + encoder->base.base.id, encoder->base.name, + *pipe_mask); *pipe_mask = BIT(ffs(*pipe_mask) - 1); } if (mst_pipe_mask && mst_pipe_mask != *pipe_mask) - DRM_DEBUG_KMS("Conflicting MST and non-MST encoders for port %c (pipe_mask %02x mst_pipe_mask %02x)\n", - port_name(port), *pipe_mask, mst_pipe_mask); + drm_dbg_kms(&dev_priv->drm, + "Conflicting MST and non-MST state for [ENCODER:%d:%s] (pipe_mask %02x mst_pipe_mask %02x)\n", + encoder->base.base.id, encoder->base.name, + *pipe_mask, mst_pipe_mask); else *is_dp_mst = mst_pipe_mask; out: - if (*pipe_mask && IS_GEN9_LP(dev_priv)) { - tmp = I915_READ(BXT_PHY_CTL(port)); + if (*pipe_mask && (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv))) { + tmp = intel_de_read(dev_priv, BXT_PHY_CTL(port)); if ((tmp & (BXT_PHY_CMNLANE_POWERDOWN_ACK | BXT_PHY_LANE_POWERDOWN_ACK | BXT_PHY_LANE_ENABLED)) != BXT_PHY_LANE_ENABLED) - DRM_ERROR("Port %c enabled but PHY powered down? " - "(PHY_CTL %08x)\n", port_name(port), tmp); + drm_err(&dev_priv->drm, + "[ENCODER:%d:%s] enabled but PHY powered down? (PHY_CTL %08x)\n", + encoder->base.base.id, encoder->base.name, tmp); } intel_display_power_put(dev_priv, encoder->power_domain, wakeref); @@ -2061,10 +856,10 @@ bool intel_ddi_get_hw_state(struct intel_encoder *encoder, return true; } -static inline enum intel_display_power_domain +static enum intel_display_power_domain intel_ddi_main_link_aux_domain(struct intel_digital_port *dig_port) { - /* CNL+ HW requires corresponding AUX IOs to be powered up for PSR with + /* ICL+ HW requires corresponding AUX IOs to be powered up for PSR with * DC states enabled at the same time, while for driver initiated AUX * transfers we need the same AUX IOs to be powered but with DC states * disabled. Accordingly use the AUX power domain here which leaves DC @@ -2085,56 +880,74 @@ static void intel_ddi_get_power_domains(struct intel_encoder *encoder, { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_digital_port *dig_port; + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); /* * TODO: Add support for MST encoders. Atm, the following should never * happen since fake-MST encoders don't set their get_power_domains() * hook. */ - if (WARN_ON(intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST))) + if (drm_WARN_ON(&dev_priv->drm, + intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST))) return; - dig_port = enc_to_dig_port(&encoder->base); - intel_display_power_get(dev_priv, dig_port->ddi_io_power_domain); + dig_port = enc_to_dig_port(encoder); + + if (!intel_tc_port_in_tbt_alt_mode(dig_port)) { + drm_WARN_ON(&dev_priv->drm, dig_port->ddi_io_wakeref); + dig_port->ddi_io_wakeref = intel_display_power_get(dev_priv, + dig_port->ddi_io_power_domain); + } /* * AUX power is only needed for (e)DP mode, and for HDMI mode on TC * ports. */ if (intel_crtc_has_dp_encoder(crtc_state) || - intel_port_is_tc(dev_priv, encoder->port)) - intel_display_power_get(dev_priv, - intel_ddi_main_link_aux_domain(dig_port)); - - /* - * VDSC power is needed when DSC is enabled - */ - if (crtc_state->dsc_params.compression_enable) - intel_display_power_get(dev_priv, - intel_dsc_power_domain(crtc_state)); + intel_phy_is_tc(dev_priv, phy)) { + drm_WARN_ON(&dev_priv->drm, dig_port->aux_wakeref); + dig_port->aux_wakeref = + intel_display_power_get(dev_priv, + intel_ddi_main_link_aux_domain(dig_port)); + } } -void intel_ddi_enable_pipe_clock(const struct intel_crtc_state *crtc_state) +void intel_ddi_enable_pipe_clock(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { - struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - struct intel_encoder *encoder = intel_ddi_get_crtc_encoder(crtc); - enum port port = encoder->port; enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); + u32 val; - if (cpu_transcoder != TRANSCODER_EDP) - I915_WRITE(TRANS_CLK_SEL(cpu_transcoder), - TRANS_CLK_SEL_PORT(port)); + if (cpu_transcoder != TRANSCODER_EDP) { + if (DISPLAY_VER(dev_priv) >= 13) + val = TGL_TRANS_CLK_SEL_PORT(phy); + else if (DISPLAY_VER(dev_priv) >= 12) + val = TGL_TRANS_CLK_SEL_PORT(encoder->port); + else + val = TRANS_CLK_SEL_PORT(encoder->port); + + intel_de_write(dev_priv, TRANS_CLK_SEL(cpu_transcoder), val); + } } void intel_ddi_disable_pipe_clock(const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); + struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev); enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; - if (cpu_transcoder != TRANSCODER_EDP) - I915_WRITE(TRANS_CLK_SEL(cpu_transcoder), - TRANS_CLK_SEL_DISABLED); + if (cpu_transcoder != TRANSCODER_EDP) { + if (DISPLAY_VER(dev_priv) >= 12) + intel_de_write(dev_priv, + TRANS_CLK_SEL(cpu_transcoder), + TGL_TRANS_CLK_SEL_DISABLED); + else + intel_de_write(dev_priv, + TRANS_CLK_SEL(cpu_transcoder), + TRANS_CLK_SEL_DISABLED); + } } static void _skl_ddi_set_iboost(struct drm_i915_private *dev_priv, @@ -2142,119 +955,64 @@ static void _skl_ddi_set_iboost(struct drm_i915_private *dev_priv, { u32 tmp; - tmp = I915_READ(DISPIO_CR_TX_BMU_CR0); + tmp = intel_de_read(dev_priv, DISPIO_CR_TX_BMU_CR0); tmp &= ~(BALANCE_LEG_MASK(port) | BALANCE_LEG_DISABLE(port)); if (iboost) tmp |= iboost << BALANCE_LEG_SHIFT(port); else tmp |= BALANCE_LEG_DISABLE(port); - I915_WRITE(DISPIO_CR_TX_BMU_CR0, tmp); + intel_de_write(dev_priv, DISPIO_CR_TX_BMU_CR0, tmp); } static void skl_ddi_set_iboost(struct intel_encoder *encoder, - int level, enum intel_output_type type) + const struct intel_crtc_state *crtc_state, + int level) { - struct intel_digital_port *intel_dig_port = enc_to_dig_port(&encoder->base); + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum port port = encoder->port; u8 iboost; - if (type == INTEL_OUTPUT_HDMI) - iboost = dev_priv->vbt.ddi_port_info[port].hdmi_boost_level; + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) + iboost = intel_bios_encoder_hdmi_boost_level(encoder->devdata); else - iboost = dev_priv->vbt.ddi_port_info[port].dp_boost_level; + iboost = intel_bios_encoder_dp_boost_level(encoder->devdata); if (iboost == 0) { - const struct ddi_buf_trans *ddi_translations; + const struct intel_ddi_buf_trans *trans; int n_entries; - if (type == INTEL_OUTPUT_HDMI) - ddi_translations = intel_ddi_get_buf_trans_hdmi(dev_priv, &n_entries); - else if (type == INTEL_OUTPUT_EDP) - ddi_translations = intel_ddi_get_buf_trans_edp(dev_priv, port, &n_entries); - else - ddi_translations = intel_ddi_get_buf_trans_dp(dev_priv, port, &n_entries); - - if (WARN_ON_ONCE(!ddi_translations)) + trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); + if (drm_WARN_ON_ONCE(&dev_priv->drm, !trans)) return; - if (WARN_ON_ONCE(level >= n_entries)) - level = n_entries - 1; - iboost = ddi_translations[level].i_boost; + iboost = trans->entries[level].hsw.i_boost; } /* Make sure that the requested I_boost is valid */ if (iboost && iboost != 0x1 && iboost != 0x3 && iboost != 0x7) { - DRM_ERROR("Invalid I_boost value %u\n", iboost); + drm_err(&dev_priv->drm, "Invalid I_boost value %u\n", iboost); return; } - _skl_ddi_set_iboost(dev_priv, port, iboost); + _skl_ddi_set_iboost(dev_priv, encoder->port, iboost); - if (port == PORT_A && intel_dig_port->max_lanes == 4) + if (encoder->port == PORT_A && dig_port->max_lanes == 4) _skl_ddi_set_iboost(dev_priv, PORT_E, iboost); } -static void bxt_ddi_vswing_sequence(struct intel_encoder *encoder, - int level, enum intel_output_type type) -{ - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - const struct bxt_ddi_buf_trans *ddi_translations; - enum port port = encoder->port; - int n_entries; - - if (type == INTEL_OUTPUT_HDMI) - ddi_translations = bxt_get_buf_trans_hdmi(dev_priv, &n_entries); - else if (type == INTEL_OUTPUT_EDP) - ddi_translations = bxt_get_buf_trans_edp(dev_priv, &n_entries); - else - ddi_translations = bxt_get_buf_trans_dp(dev_priv, &n_entries); - - if (WARN_ON_ONCE(!ddi_translations)) - return; - if (WARN_ON_ONCE(level >= n_entries)) - level = n_entries - 1; - - bxt_ddi_phy_set_signal_level(dev_priv, port, - ddi_translations[level].margin, - ddi_translations[level].scale, - ddi_translations[level].enable, - ddi_translations[level].deemphasis); -} - -u8 intel_ddi_dp_voltage_max(struct intel_encoder *encoder) +static u8 intel_ddi_dp_voltage_max(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state) { + struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); - enum port port = encoder->port; int n_entries; - if (INTEL_GEN(dev_priv) >= 11) { - if (intel_port_is_combophy(dev_priv, port)) - icl_get_combo_buf_trans(dev_priv, port, encoder->type, - intel_dp->link_rate, &n_entries); - else - n_entries = ARRAY_SIZE(icl_mg_phy_ddi_translations); - } else if (IS_CANNONLAKE(dev_priv)) { - if (encoder->type == INTEL_OUTPUT_EDP) - cnl_get_buf_trans_edp(dev_priv, &n_entries); - else - cnl_get_buf_trans_dp(dev_priv, &n_entries); - } else if (IS_GEN9_LP(dev_priv)) { - if (encoder->type == INTEL_OUTPUT_EDP) - bxt_get_buf_trans_edp(dev_priv, &n_entries); - else - bxt_get_buf_trans_dp(dev_priv, &n_entries); - } else { - if (encoder->type == INTEL_OUTPUT_EDP) - intel_ddi_get_buf_trans_edp(dev_priv, port, &n_entries); - else - intel_ddi_get_buf_trans_dp(dev_priv, port, &n_entries); - } + encoder->get_buf_trans(encoder, crtc_state, &n_entries); - if (WARN_ON(n_entries < 1)) + if (drm_WARN_ON(&dev_priv->drm, n_entries < 1)) n_entries = 1; - if (WARN_ON(n_entries > ARRAY_SIZE(index_to_dp_signal_levels))) + if (drm_WARN_ON(&dev_priv->drm, + n_entries > ARRAY_SIZE(index_to_dp_signal_levels))) n_entries = ARRAY_SIZE(index_to_dp_signal_levels); return index_to_dp_signal_levels[n_entries - 1] & @@ -2266,344 +1024,198 @@ u8 intel_ddi_dp_voltage_max(struct intel_encoder *encoder) * used on all DDI platforms. Should that change we need to * rethink this code. */ -u8 intel_ddi_dp_pre_emphasis_max(struct intel_encoder *encoder, u8 voltage_swing) -{ - switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) { - case DP_TRAIN_VOLTAGE_SWING_LEVEL_0: - return DP_TRAIN_PRE_EMPH_LEVEL_3; - case DP_TRAIN_VOLTAGE_SWING_LEVEL_1: - return DP_TRAIN_PRE_EMPH_LEVEL_2; - case DP_TRAIN_VOLTAGE_SWING_LEVEL_2: - return DP_TRAIN_PRE_EMPH_LEVEL_1; - case DP_TRAIN_VOLTAGE_SWING_LEVEL_3: - default: - return DP_TRAIN_PRE_EMPH_LEVEL_0; - } +static u8 intel_ddi_dp_preemph_max(struct intel_dp *intel_dp) +{ + return DP_TRAIN_PRE_EMPH_LEVEL_3; } -static void cnl_ddi_vswing_program(struct intel_encoder *encoder, - int level, enum intel_output_type type) +static u32 icl_combo_phy_loadgen_select(const struct intel_crtc_state *crtc_state, + int lane) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - const struct cnl_ddi_buf_trans *ddi_translations; - enum port port = encoder->port; - int n_entries, ln; - u32 val; + if (crtc_state->port_clock > 600000) + return 0; - if (type == INTEL_OUTPUT_HDMI) - ddi_translations = cnl_get_buf_trans_hdmi(dev_priv, &n_entries); - else if (type == INTEL_OUTPUT_EDP) - ddi_translations = cnl_get_buf_trans_edp(dev_priv, &n_entries); + if (crtc_state->lane_count == 4) + return lane >= 1 ? LOADGEN_SELECT : 0; else - ddi_translations = cnl_get_buf_trans_dp(dev_priv, &n_entries); - - if (WARN_ON_ONCE(!ddi_translations)) - return; - if (WARN_ON_ONCE(level >= n_entries)) - level = n_entries - 1; - - /* Set PORT_TX_DW5 Scaling Mode Sel to 010b. */ - val = I915_READ(CNL_PORT_TX_DW5_LN0(port)); - val &= ~SCALING_MODE_SEL_MASK; - val |= SCALING_MODE_SEL(2); - I915_WRITE(CNL_PORT_TX_DW5_GRP(port), val); - - /* Program PORT_TX_DW2 */ - val = I915_READ(CNL_PORT_TX_DW2_LN0(port)); - val &= ~(SWING_SEL_LOWER_MASK | SWING_SEL_UPPER_MASK | - RCOMP_SCALAR_MASK); - val |= SWING_SEL_UPPER(ddi_translations[level].dw2_swing_sel); - val |= SWING_SEL_LOWER(ddi_translations[level].dw2_swing_sel); - /* Rcomp scalar is fixed as 0x98 for every table entry */ - val |= RCOMP_SCALAR(0x98); - I915_WRITE(CNL_PORT_TX_DW2_GRP(port), val); - - /* Program PORT_TX_DW4 */ - /* We cannot write to GRP. It would overrite individual loadgen */ - for (ln = 0; ln < 4; ln++) { - val = I915_READ(CNL_PORT_TX_DW4_LN(ln, port)); - val &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK | - CURSOR_COEFF_MASK); - val |= POST_CURSOR_1(ddi_translations[level].dw4_post_cursor_1); - val |= POST_CURSOR_2(ddi_translations[level].dw4_post_cursor_2); - val |= CURSOR_COEFF(ddi_translations[level].dw4_cursor_coeff); - I915_WRITE(CNL_PORT_TX_DW4_LN(ln, port), val); - } - - /* Program PORT_TX_DW5 */ - /* All DW5 values are fixed for every table entry */ - val = I915_READ(CNL_PORT_TX_DW5_LN0(port)); - val &= ~RTERM_SELECT_MASK; - val |= RTERM_SELECT(6); - val |= TAP3_DISABLE; - I915_WRITE(CNL_PORT_TX_DW5_GRP(port), val); - - /* Program PORT_TX_DW7 */ - val = I915_READ(CNL_PORT_TX_DW7_LN0(port)); - val &= ~N_SCALAR_MASK; - val |= N_SCALAR(ddi_translations[level].dw7_n_scalar); - I915_WRITE(CNL_PORT_TX_DW7_GRP(port), val); + return lane == 1 || lane == 2 ? LOADGEN_SELECT : 0; } -static void cnl_ddi_vswing_sequence(struct intel_encoder *encoder, - int level, enum intel_output_type type) +static void icl_ddi_combo_vswing_program(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum port port = encoder->port; - int width, rate, ln; + const struct intel_ddi_buf_trans *trans; + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); + int n_entries, ln; u32 val; - if (type == INTEL_OUTPUT_HDMI) { - width = 4; - rate = 0; /* Rate is always < than 6GHz for HDMI */ - } else { - struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); - - width = intel_dp->lane_count; - rate = intel_dp->link_rate; - } - - /* - * 1. If port type is eDP or DP, - * set PORT_PCS_DW1 cmnkeeper_enable to 1b, - * else clear to 0b. - */ - val = I915_READ(CNL_PORT_PCS_DW1_LN0(port)); - if (type != INTEL_OUTPUT_HDMI) - val |= COMMON_KEEPER_EN; - else - val &= ~COMMON_KEEPER_EN; - I915_WRITE(CNL_PORT_PCS_DW1_GRP(port), val); - - /* 2. Program loadgen select */ - /* - * Program PORT_TX_DW4_LN depending on Bit rate and used lanes - * <= 6 GHz and 4 lanes (LN0=0, LN1=1, LN2=1, LN3=1) - * <= 6 GHz and 1,2 lanes (LN0=0, LN1=1, LN2=1, LN3=0) - * > 6 GHz (LN0=0, LN1=0, LN2=0, LN3=0) - */ - for (ln = 0; ln <= 3; ln++) { - val = I915_READ(CNL_PORT_TX_DW4_LN(ln, port)); - val &= ~LOADGEN_SELECT; - - if ((rate <= 600000 && width == 4 && ln >= 1) || - (rate <= 600000 && width < 4 && (ln == 1 || ln == 2))) { - val |= LOADGEN_SELECT; - } - I915_WRITE(CNL_PORT_TX_DW4_LN(ln, port), val); - } - - /* 3. Set PORT_CL_DW5 SUS Clock Config to 11b */ - val = I915_READ(CNL_PORT_CL1CM_DW5); - val |= SUS_CLOCK_CONFIG; - I915_WRITE(CNL_PORT_CL1CM_DW5, val); - - /* 4. Clear training enable to change swing values */ - val = I915_READ(CNL_PORT_TX_DW5_LN0(port)); - val &= ~TX_TRAINING_EN; - I915_WRITE(CNL_PORT_TX_DW5_GRP(port), val); - - /* 5. Program swing and de-emphasis */ - cnl_ddi_vswing_program(encoder, level, type); - - /* 6. Set training enable to trigger update */ - val = I915_READ(CNL_PORT_TX_DW5_LN0(port)); - val |= TX_TRAINING_EN; - I915_WRITE(CNL_PORT_TX_DW5_GRP(port), val); -} - -static void icl_ddi_combo_vswing_program(struct drm_i915_private *dev_priv, - u32 level, enum port port, int type, - int rate) -{ - const struct cnl_ddi_buf_trans *ddi_translations = NULL; - u32 n_entries, val; - int ln; - - ddi_translations = icl_get_combo_buf_trans(dev_priv, port, type, - rate, &n_entries); - if (!ddi_translations) + trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); + if (drm_WARN_ON_ONCE(&dev_priv->drm, !trans)) return; - if (level >= n_entries) { - DRM_DEBUG_KMS("DDI translation not found for level %d. Using %d instead.", level, n_entries - 1); - level = n_entries - 1; + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) { + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + + val = EDP4K2K_MODE_OVRD_EN | EDP4K2K_MODE_OVRD_OPTIMIZED; + intel_dp->hobl_active = is_hobl_buf_trans(trans); + intel_de_rmw(dev_priv, ICL_PORT_CL_DW10(phy), val, + intel_dp->hobl_active ? val : 0); } /* Set PORT_TX_DW5 */ - val = I915_READ(ICL_PORT_TX_DW5_LN0(port)); + val = intel_de_read(dev_priv, ICL_PORT_TX_DW5_LN(0, phy)); val &= ~(SCALING_MODE_SEL_MASK | RTERM_SELECT_MASK | TAP2_DISABLE | TAP3_DISABLE); val |= SCALING_MODE_SEL(0x2); val |= RTERM_SELECT(0x6); val |= TAP3_DISABLE; - I915_WRITE(ICL_PORT_TX_DW5_GRP(port), val); + intel_de_write(dev_priv, ICL_PORT_TX_DW5_GRP(phy), val); /* Program PORT_TX_DW2 */ - val = I915_READ(ICL_PORT_TX_DW2_LN0(port)); - val &= ~(SWING_SEL_LOWER_MASK | SWING_SEL_UPPER_MASK | - RCOMP_SCALAR_MASK); - val |= SWING_SEL_UPPER(ddi_translations[level].dw2_swing_sel); - val |= SWING_SEL_LOWER(ddi_translations[level].dw2_swing_sel); - /* Program Rcomp scalar for every table entry */ - val |= RCOMP_SCALAR(0x98); - I915_WRITE(ICL_PORT_TX_DW2_GRP(port), val); + for (ln = 0; ln < 4; ln++) { + int level = intel_ddi_level(encoder, crtc_state, ln); + + intel_de_rmw(dev_priv, ICL_PORT_TX_DW2_LN(ln, phy), + SWING_SEL_UPPER_MASK | SWING_SEL_LOWER_MASK | RCOMP_SCALAR_MASK, + SWING_SEL_UPPER(trans->entries[level].icl.dw2_swing_sel) | + SWING_SEL_LOWER(trans->entries[level].icl.dw2_swing_sel) | + RCOMP_SCALAR(0x98)); + } /* Program PORT_TX_DW4 */ /* We cannot write to GRP. It would overwrite individual loadgen. */ - for (ln = 0; ln <= 3; ln++) { - val = I915_READ(ICL_PORT_TX_DW4_LN(ln, port)); - val &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK | - CURSOR_COEFF_MASK); - val |= POST_CURSOR_1(ddi_translations[level].dw4_post_cursor_1); - val |= POST_CURSOR_2(ddi_translations[level].dw4_post_cursor_2); - val |= CURSOR_COEFF(ddi_translations[level].dw4_cursor_coeff); - I915_WRITE(ICL_PORT_TX_DW4_LN(ln, port), val); + for (ln = 0; ln < 4; ln++) { + int level = intel_ddi_level(encoder, crtc_state, ln); + + intel_de_rmw(dev_priv, ICL_PORT_TX_DW4_LN(ln, phy), + POST_CURSOR_1_MASK | POST_CURSOR_2_MASK | CURSOR_COEFF_MASK, + POST_CURSOR_1(trans->entries[level].icl.dw4_post_cursor_1) | + POST_CURSOR_2(trans->entries[level].icl.dw4_post_cursor_2) | + CURSOR_COEFF(trans->entries[level].icl.dw4_cursor_coeff)); } /* Program PORT_TX_DW7 */ - val = I915_READ(ICL_PORT_TX_DW7_LN0(port)); - val &= ~N_SCALAR_MASK; - val |= N_SCALAR(ddi_translations[level].dw7_n_scalar); - I915_WRITE(ICL_PORT_TX_DW7_GRP(port), val); + for (ln = 0; ln < 4; ln++) { + int level = intel_ddi_level(encoder, crtc_state, ln); + + intel_de_rmw(dev_priv, ICL_PORT_TX_DW7_LN(ln, phy), + N_SCALAR_MASK, + N_SCALAR(trans->entries[level].icl.dw7_n_scalar)); + } } -static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder, - u32 level, - enum intel_output_type type) +static void icl_combo_phy_set_signal_levels(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum port port = encoder->port; - int width = 0; - int rate = 0; + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); u32 val; - int ln = 0; - - if (type == INTEL_OUTPUT_HDMI) { - width = 4; - /* Rate is always < than 6GHz for HDMI */ - } else { - struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); - - width = intel_dp->lane_count; - rate = intel_dp->link_rate; - } + int ln; /* * 1. If port type is eDP or DP, * set PORT_PCS_DW1 cmnkeeper_enable to 1b, * else clear to 0b. */ - val = I915_READ(ICL_PORT_PCS_DW1_LN0(port)); - if (type == INTEL_OUTPUT_HDMI) + val = intel_de_read(dev_priv, ICL_PORT_PCS_DW1_LN(0, phy)); + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) val &= ~COMMON_KEEPER_EN; else val |= COMMON_KEEPER_EN; - I915_WRITE(ICL_PORT_PCS_DW1_GRP(port), val); + intel_de_write(dev_priv, ICL_PORT_PCS_DW1_GRP(phy), val); /* 2. Program loadgen select */ /* - * Program PORT_TX_DW4_LN depending on Bit rate and used lanes + * Program PORT_TX_DW4 depending on Bit rate and used lanes * <= 6 GHz and 4 lanes (LN0=0, LN1=1, LN2=1, LN3=1) * <= 6 GHz and 1,2 lanes (LN0=0, LN1=1, LN2=1, LN3=0) * > 6 GHz (LN0=0, LN1=0, LN2=0, LN3=0) */ - for (ln = 0; ln <= 3; ln++) { - val = I915_READ(ICL_PORT_TX_DW4_LN(ln, port)); - val &= ~LOADGEN_SELECT; - - if ((rate <= 600000 && width == 4 && ln >= 1) || - (rate <= 600000 && width < 4 && (ln == 1 || ln == 2))) { - val |= LOADGEN_SELECT; - } - I915_WRITE(ICL_PORT_TX_DW4_LN(ln, port), val); + for (ln = 0; ln < 4; ln++) { + intel_de_rmw(dev_priv, ICL_PORT_TX_DW4_LN(ln, phy), + LOADGEN_SELECT, + icl_combo_phy_loadgen_select(crtc_state, ln)); } /* 3. Set PORT_CL_DW5 SUS Clock Config to 11b */ - val = I915_READ(ICL_PORT_CL_DW5(port)); - val |= SUS_CLOCK_CONFIG; - I915_WRITE(ICL_PORT_CL_DW5(port), val); + intel_de_rmw(dev_priv, ICL_PORT_CL_DW5(phy), + 0, SUS_CLOCK_CONFIG); /* 4. Clear training enable to change swing values */ - val = I915_READ(ICL_PORT_TX_DW5_LN0(port)); + val = intel_de_read(dev_priv, ICL_PORT_TX_DW5_LN(0, phy)); val &= ~TX_TRAINING_EN; - I915_WRITE(ICL_PORT_TX_DW5_GRP(port), val); + intel_de_write(dev_priv, ICL_PORT_TX_DW5_GRP(phy), val); /* 5. Program swing and de-emphasis */ - icl_ddi_combo_vswing_program(dev_priv, level, port, type, rate); + icl_ddi_combo_vswing_program(encoder, crtc_state); /* 6. Set training enable to trigger update */ - val = I915_READ(ICL_PORT_TX_DW5_LN0(port)); + val = intel_de_read(dev_priv, ICL_PORT_TX_DW5_LN(0, phy)); val |= TX_TRAINING_EN; - I915_WRITE(ICL_PORT_TX_DW5_GRP(port), val); + intel_de_write(dev_priv, ICL_PORT_TX_DW5_GRP(phy), val); } -static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder, - int link_clock, - u32 level) +static void icl_mg_phy_set_signal_levels(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum port port = encoder->port; - const struct icl_mg_phy_ddi_buf_trans *ddi_translations; - u32 n_entries, val; - int ln; + enum tc_port tc_port = intel_port_to_tc(dev_priv, encoder->port); + const struct intel_ddi_buf_trans *trans; + int n_entries, ln; - n_entries = ARRAY_SIZE(icl_mg_phy_ddi_translations); - ddi_translations = icl_mg_phy_ddi_translations; - /* The table does not have values for level 3 and level 9. */ - if (level >= n_entries || level == 3 || level == 9) { - DRM_DEBUG_KMS("DDI translation not found for level %d. Using %d instead.", - level, n_entries - 2); - level = n_entries - 2; - } + if (intel_tc_port_in_tbt_alt_mode(enc_to_dig_port(encoder))) + return; - /* Set MG_TX_LINK_PARAMS cri_use_fs32 to 0. */ - for (ln = 0; ln < 2; ln++) { - val = I915_READ(MG_TX1_LINK_PARAMS(ln, port)); - val &= ~CRI_USE_FS32; - I915_WRITE(MG_TX1_LINK_PARAMS(ln, port), val); + trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); + if (drm_WARN_ON_ONCE(&dev_priv->drm, !trans)) + return; - val = I915_READ(MG_TX2_LINK_PARAMS(ln, port)); - val &= ~CRI_USE_FS32; - I915_WRITE(MG_TX2_LINK_PARAMS(ln, port), val); + for (ln = 0; ln < 2; ln++) { + intel_de_rmw(dev_priv, MG_TX1_LINK_PARAMS(ln, tc_port), + CRI_USE_FS32, 0); + intel_de_rmw(dev_priv, MG_TX2_LINK_PARAMS(ln, tc_port), + CRI_USE_FS32, 0); } /* Program MG_TX_SWINGCTRL with values from vswing table */ for (ln = 0; ln < 2; ln++) { - val = I915_READ(MG_TX1_SWINGCTRL(ln, port)); - val &= ~CRI_TXDEEMPH_OVERRIDE_17_12_MASK; - val |= CRI_TXDEEMPH_OVERRIDE_17_12( - ddi_translations[level].cri_txdeemph_override_17_12); - I915_WRITE(MG_TX1_SWINGCTRL(ln, port), val); - - val = I915_READ(MG_TX2_SWINGCTRL(ln, port)); - val &= ~CRI_TXDEEMPH_OVERRIDE_17_12_MASK; - val |= CRI_TXDEEMPH_OVERRIDE_17_12( - ddi_translations[level].cri_txdeemph_override_17_12); - I915_WRITE(MG_TX2_SWINGCTRL(ln, port), val); + int level; + + level = intel_ddi_level(encoder, crtc_state, 2*ln+0); + + intel_de_rmw(dev_priv, MG_TX1_SWINGCTRL(ln, tc_port), + CRI_TXDEEMPH_OVERRIDE_17_12_MASK, + CRI_TXDEEMPH_OVERRIDE_17_12(trans->entries[level].mg.cri_txdeemph_override_17_12)); + + level = intel_ddi_level(encoder, crtc_state, 2*ln+1); + + intel_de_rmw(dev_priv, MG_TX2_SWINGCTRL(ln, tc_port), + CRI_TXDEEMPH_OVERRIDE_17_12_MASK, + CRI_TXDEEMPH_OVERRIDE_17_12(trans->entries[level].mg.cri_txdeemph_override_17_12)); } /* Program MG_TX_DRVCTRL with values from vswing table */ for (ln = 0; ln < 2; ln++) { - val = I915_READ(MG_TX1_DRVCTRL(ln, port)); - val &= ~(CRI_TXDEEMPH_OVERRIDE_11_6_MASK | - CRI_TXDEEMPH_OVERRIDE_5_0_MASK); - val |= CRI_TXDEEMPH_OVERRIDE_5_0( - ddi_translations[level].cri_txdeemph_override_5_0) | - CRI_TXDEEMPH_OVERRIDE_11_6( - ddi_translations[level].cri_txdeemph_override_11_6) | - CRI_TXDEEMPH_OVERRIDE_EN; - I915_WRITE(MG_TX1_DRVCTRL(ln, port), val); - - val = I915_READ(MG_TX2_DRVCTRL(ln, port)); - val &= ~(CRI_TXDEEMPH_OVERRIDE_11_6_MASK | - CRI_TXDEEMPH_OVERRIDE_5_0_MASK); - val |= CRI_TXDEEMPH_OVERRIDE_5_0( - ddi_translations[level].cri_txdeemph_override_5_0) | - CRI_TXDEEMPH_OVERRIDE_11_6( - ddi_translations[level].cri_txdeemph_override_11_6) | - CRI_TXDEEMPH_OVERRIDE_EN; - I915_WRITE(MG_TX2_DRVCTRL(ln, port), val); + int level; + + level = intel_ddi_level(encoder, crtc_state, 2*ln+0); + + intel_de_rmw(dev_priv, MG_TX1_DRVCTRL(ln, tc_port), + CRI_TXDEEMPH_OVERRIDE_11_6_MASK | + CRI_TXDEEMPH_OVERRIDE_5_0_MASK, + CRI_TXDEEMPH_OVERRIDE_11_6(trans->entries[level].mg.cri_txdeemph_override_11_6) | + CRI_TXDEEMPH_OVERRIDE_5_0(trans->entries[level].mg.cri_txdeemph_override_5_0) | + CRI_TXDEEMPH_OVERRIDE_EN); + + level = intel_ddi_level(encoder, crtc_state, 2*ln+1); + + intel_de_rmw(dev_priv, MG_TX2_DRVCTRL(ln, tc_port), + CRI_TXDEEMPH_OVERRIDE_11_6_MASK | + CRI_TXDEEMPH_OVERRIDE_5_0_MASK, + CRI_TXDEEMPH_OVERRIDE_11_6(trans->entries[level].mg.cri_txdeemph_override_11_6) | + CRI_TXDEEMPH_OVERRIDE_5_0(trans->entries[level].mg.cri_txdeemph_override_5_0) | + CRI_TXDEEMPH_OVERRIDE_EN); /* FIXME: Program CRI_LOADGEN_SEL after the spec is updated */ } @@ -2614,65 +1226,111 @@ static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder, * values from table for which TX1 and TX2 enabled. */ for (ln = 0; ln < 2; ln++) { - val = I915_READ(MG_CLKHUB(ln, port)); - if (link_clock < 300000) - val |= CFG_LOW_RATE_LKREN_EN; - else - val &= ~CFG_LOW_RATE_LKREN_EN; - I915_WRITE(MG_CLKHUB(ln, port), val); + intel_de_rmw(dev_priv, MG_CLKHUB(ln, tc_port), + CFG_LOW_RATE_LKREN_EN, + crtc_state->port_clock < 300000 ? CFG_LOW_RATE_LKREN_EN : 0); } /* Program the MG_TX_DCC<LN, port being used> based on the link frequency */ for (ln = 0; ln < 2; ln++) { - val = I915_READ(MG_TX1_DCC(ln, port)); - val &= ~CFG_AMI_CK_DIV_OVERRIDE_VAL_MASK; - if (link_clock <= 500000) { - val &= ~CFG_AMI_CK_DIV_OVERRIDE_EN; - } else { - val |= CFG_AMI_CK_DIV_OVERRIDE_EN | - CFG_AMI_CK_DIV_OVERRIDE_VAL(1); - } - I915_WRITE(MG_TX1_DCC(ln, port), val); - - val = I915_READ(MG_TX2_DCC(ln, port)); - val &= ~CFG_AMI_CK_DIV_OVERRIDE_VAL_MASK; - if (link_clock <= 500000) { - val &= ~CFG_AMI_CK_DIV_OVERRIDE_EN; - } else { - val |= CFG_AMI_CK_DIV_OVERRIDE_EN | - CFG_AMI_CK_DIV_OVERRIDE_VAL(1); - } - I915_WRITE(MG_TX2_DCC(ln, port), val); + intel_de_rmw(dev_priv, MG_TX1_DCC(ln, tc_port), + CFG_AMI_CK_DIV_OVERRIDE_VAL_MASK | + CFG_AMI_CK_DIV_OVERRIDE_EN, + crtc_state->port_clock > 500000 ? + CFG_AMI_CK_DIV_OVERRIDE_VAL(1) | + CFG_AMI_CK_DIV_OVERRIDE_EN : 0); + + intel_de_rmw(dev_priv, MG_TX2_DCC(ln, tc_port), + CFG_AMI_CK_DIV_OVERRIDE_VAL_MASK | + CFG_AMI_CK_DIV_OVERRIDE_EN, + crtc_state->port_clock > 500000 ? + CFG_AMI_CK_DIV_OVERRIDE_VAL(1) | + CFG_AMI_CK_DIV_OVERRIDE_EN : 0); } /* Program MG_TX_PISO_READLOAD with values from vswing table */ for (ln = 0; ln < 2; ln++) { - val = I915_READ(MG_TX1_PISO_READLOAD(ln, port)); - val |= CRI_CALCINIT; - I915_WRITE(MG_TX1_PISO_READLOAD(ln, port), val); - - val = I915_READ(MG_TX2_PISO_READLOAD(ln, port)); - val |= CRI_CALCINIT; - I915_WRITE(MG_TX2_PISO_READLOAD(ln, port), val); + intel_de_rmw(dev_priv, MG_TX1_PISO_READLOAD(ln, tc_port), + 0, CRI_CALCINIT); + intel_de_rmw(dev_priv, MG_TX2_PISO_READLOAD(ln, tc_port), + 0, CRI_CALCINIT); } } -static void icl_ddi_vswing_sequence(struct intel_encoder *encoder, - int link_clock, - u32 level, - enum intel_output_type type) +static void tgl_dkl_phy_set_signal_levels(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum port port = encoder->port; + enum tc_port tc_port = intel_port_to_tc(dev_priv, encoder->port); + const struct intel_ddi_buf_trans *trans; + int n_entries, ln; - if (intel_port_is_combophy(dev_priv, port)) - icl_combo_phy_ddi_vswing_sequence(encoder, level, type); - else - icl_mg_phy_ddi_vswing_sequence(encoder, link_clock, level); + if (intel_tc_port_in_tbt_alt_mode(enc_to_dig_port(encoder))) + return; + + trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); + if (drm_WARN_ON_ONCE(&dev_priv->drm, !trans)) + return; + + for (ln = 0; ln < 2; ln++) { + int level; + + intel_de_write(dev_priv, HIP_INDEX_REG(tc_port), + HIP_INDEX_VAL(tc_port, ln)); + + intel_de_write(dev_priv, DKL_TX_PMD_LANE_SUS(tc_port), 0); + + level = intel_ddi_level(encoder, crtc_state, 2*ln+0); + + intel_de_rmw(dev_priv, DKL_TX_DPCNTL0(tc_port), + DKL_TX_PRESHOOT_COEFF_MASK | + DKL_TX_DE_EMPAHSIS_COEFF_MASK | + DKL_TX_VSWING_CONTROL_MASK, + DKL_TX_PRESHOOT_COEFF(trans->entries[level].dkl.preshoot) | + DKL_TX_DE_EMPHASIS_COEFF(trans->entries[level].dkl.de_emphasis) | + DKL_TX_VSWING_CONTROL(trans->entries[level].dkl.vswing)); + + level = intel_ddi_level(encoder, crtc_state, 2*ln+1); + + intel_de_rmw(dev_priv, DKL_TX_DPCNTL1(tc_port), + DKL_TX_PRESHOOT_COEFF_MASK | + DKL_TX_DE_EMPAHSIS_COEFF_MASK | + DKL_TX_VSWING_CONTROL_MASK, + DKL_TX_PRESHOOT_COEFF(trans->entries[level].dkl.preshoot) | + DKL_TX_DE_EMPHASIS_COEFF(trans->entries[level].dkl.de_emphasis) | + DKL_TX_VSWING_CONTROL(trans->entries[level].dkl.vswing)); + + intel_de_rmw(dev_priv, DKL_TX_DPCNTL2(tc_port), + DKL_TX_DP20BITMODE, 0); + + if (IS_ALDERLAKE_P(dev_priv)) { + u32 val; + + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) { + if (ln == 0) { + val = DKL_TX_DPCNTL2_CFG_LOADGENSELECT_TX1(0); + val |= DKL_TX_DPCNTL2_CFG_LOADGENSELECT_TX2(2); + } else { + val = DKL_TX_DPCNTL2_CFG_LOADGENSELECT_TX1(3); + val |= DKL_TX_DPCNTL2_CFG_LOADGENSELECT_TX2(3); + } + } else { + val = DKL_TX_DPCNTL2_CFG_LOADGENSELECT_TX1(0); + val |= DKL_TX_DPCNTL2_CFG_LOADGENSELECT_TX2(0); + } + + intel_de_rmw(dev_priv, DKL_TX_DPCNTL2(tc_port), + DKL_TX_DPCNTL2_CFG_LOADGENSELECT_TX1_MASK | + DKL_TX_DPCNTL2_CFG_LOADGENSELECT_TX2_MASK, + val); + } + } } -static u32 translate_signal_level(int signal_levels) +static int translate_signal_level(struct intel_dp *intel_dp, + u8 signal_levels) { + struct drm_i915_private *i915 = dp_to_i915(intel_dp); int i; for (i = 0; i < ARRAY_SIZE(index_to_dp_signal_levels); i++) { @@ -2680,113 +1338,625 @@ static u32 translate_signal_level(int signal_levels) return i; } - WARN(1, "Unsupported voltage swing/pre-emphasis level: 0x%x\n", - signal_levels); + drm_WARN(&i915->drm, 1, + "Unsupported voltage swing/pre-emphasis level: 0x%x\n", + signal_levels); return 0; } -static u32 intel_ddi_dp_level(struct intel_dp *intel_dp) +static int intel_ddi_dp_level(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state, + int lane) { - u8 train_set = intel_dp->train_set[0]; - int signal_levels = train_set & (DP_TRAIN_VOLTAGE_SWING_MASK | - DP_TRAIN_PRE_EMPHASIS_MASK); + u8 train_set = intel_dp->train_set[lane]; + + if (intel_dp_is_uhbr(crtc_state)) { + return train_set & DP_TX_FFE_PRESET_VALUE_MASK; + } else { + u8 signal_levels = train_set & (DP_TRAIN_VOLTAGE_SWING_MASK | + DP_TRAIN_PRE_EMPHASIS_MASK); - return translate_signal_level(signal_levels); + return translate_signal_level(intel_dp, signal_levels); + } } -u32 bxt_signal_levels(struct intel_dp *intel_dp) +int intel_ddi_level(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + int lane) { - struct intel_digital_port *dport = dp_to_dig_port(intel_dp); - struct drm_i915_private *dev_priv = to_i915(dport->base.base.dev); - struct intel_encoder *encoder = &dport->base; - int level = intel_ddi_dp_level(intel_dp); + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + const struct intel_ddi_buf_trans *trans; + int level, n_entries; + + trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); + if (drm_WARN_ON_ONCE(&i915->drm, !trans)) + return 0; - if (INTEL_GEN(dev_priv) >= 11) - icl_ddi_vswing_sequence(encoder, intel_dp->link_rate, - level, encoder->type); - else if (IS_CANNONLAKE(dev_priv)) - cnl_ddi_vswing_sequence(encoder, level, encoder->type); + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) + level = intel_ddi_hdmi_level(encoder, trans); else - bxt_ddi_vswing_sequence(encoder, level, encoder->type); + level = intel_ddi_dp_level(enc_to_intel_dp(encoder), crtc_state, + lane); - return 0; + if (drm_WARN_ON_ONCE(&i915->drm, level >= n_entries)) + level = n_entries - 1; + + return level; } -u32 ddi_signal_levels(struct intel_dp *intel_dp) +static void +hsw_set_signal_levels(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { - struct intel_digital_port *dport = dp_to_dig_port(intel_dp); - struct drm_i915_private *dev_priv = to_i915(dport->base.base.dev); - struct intel_encoder *encoder = &dport->base; - int level = intel_ddi_dp_level(intel_dp); + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + int level = intel_ddi_level(encoder, crtc_state, 0); + enum port port = encoder->port; + u32 signal_levels; + + if (has_iboost(dev_priv)) + skl_ddi_set_iboost(encoder, crtc_state, level); - if (IS_GEN9_BC(dev_priv)) - skl_ddi_set_iboost(encoder, level, encoder->type); + /* HDMI ignores the rest */ + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) + return; + + signal_levels = DDI_BUF_TRANS_SELECT(level); + + drm_dbg_kms(&dev_priv->drm, "Using signal levels %08x\n", + signal_levels); - return DDI_BUF_TRANS_SELECT(level); + intel_dp->DP &= ~DDI_BUF_EMP_MASK; + intel_dp->DP |= signal_levels; + + intel_de_write(dev_priv, DDI_BUF_CTL(port), intel_dp->DP); + intel_de_posting_read(dev_priv, DDI_BUF_CTL(port)); } -static inline -u32 icl_dpclka_cfgcr0_clk_off(struct drm_i915_private *dev_priv, - enum port port) +static void _icl_ddi_enable_clock(struct drm_i915_private *i915, i915_reg_t reg, + u32 clk_sel_mask, u32 clk_sel, u32 clk_off) { - if (intel_port_is_combophy(dev_priv, port)) { - return ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(port); - } else if (intel_port_is_tc(dev_priv, port)) { - enum tc_port tc_port = intel_port_to_tc(dev_priv, port); + mutex_lock(&i915->dpll.lock); - return ICL_DPCLKA_CFGCR0_TC_CLK_OFF(tc_port); - } + intel_de_rmw(i915, reg, clk_sel_mask, clk_sel); - return 0; + /* + * "This step and the step before must be + * done with separate register writes." + */ + intel_de_rmw(i915, reg, clk_off, 0); + + mutex_unlock(&i915->dpll.lock); } -static void icl_map_plls_to_ports(struct intel_encoder *encoder, +static void _icl_ddi_disable_clock(struct drm_i915_private *i915, i915_reg_t reg, + u32 clk_off) +{ + mutex_lock(&i915->dpll.lock); + + intel_de_rmw(i915, reg, 0, clk_off); + + mutex_unlock(&i915->dpll.lock); +} + +static bool _icl_ddi_is_clock_enabled(struct drm_i915_private *i915, i915_reg_t reg, + u32 clk_off) +{ + return !(intel_de_read(i915, reg) & clk_off); +} + +static struct intel_shared_dpll * +_icl_ddi_get_pll(struct drm_i915_private *i915, i915_reg_t reg, + u32 clk_sel_mask, u32 clk_sel_shift) +{ + enum intel_dpll_id id; + + id = (intel_de_read(i915, reg) & clk_sel_mask) >> clk_sel_shift; + + return intel_get_shared_dpll_by_id(i915, id); +} + +static void adls_ddi_enable_clock(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_shared_dpll *pll = crtc_state->shared_dpll; - enum port port = encoder->port; + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + const struct intel_shared_dpll *pll = crtc_state->shared_dpll; + enum phy phy = intel_port_to_phy(i915, encoder->port); + + if (drm_WARN_ON(&i915->drm, !pll)) + return; + + _icl_ddi_enable_clock(i915, ADLS_DPCLKA_CFGCR(phy), + ADLS_DPCLKA_CFGCR_DDI_CLK_SEL_MASK(phy), + pll->info->id << ADLS_DPCLKA_CFGCR_DDI_SHIFT(phy), + ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)); +} + +static void adls_ddi_disable_clock(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum phy phy = intel_port_to_phy(i915, encoder->port); + + _icl_ddi_disable_clock(i915, ADLS_DPCLKA_CFGCR(phy), + ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)); +} + +static bool adls_ddi_is_clock_enabled(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum phy phy = intel_port_to_phy(i915, encoder->port); + + return _icl_ddi_is_clock_enabled(i915, ADLS_DPCLKA_CFGCR(phy), + ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)); +} + +static struct intel_shared_dpll *adls_ddi_get_pll(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum phy phy = intel_port_to_phy(i915, encoder->port); + + return _icl_ddi_get_pll(i915, ADLS_DPCLKA_CFGCR(phy), + ADLS_DPCLKA_CFGCR_DDI_CLK_SEL_MASK(phy), + ADLS_DPCLKA_CFGCR_DDI_SHIFT(phy)); +} + +static void rkl_ddi_enable_clock(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + const struct intel_shared_dpll *pll = crtc_state->shared_dpll; + enum phy phy = intel_port_to_phy(i915, encoder->port); + + if (drm_WARN_ON(&i915->drm, !pll)) + return; + + _icl_ddi_enable_clock(i915, ICL_DPCLKA_CFGCR0, + RKL_DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(phy), + RKL_DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, phy), + RKL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)); +} + +static void rkl_ddi_disable_clock(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum phy phy = intel_port_to_phy(i915, encoder->port); + + _icl_ddi_disable_clock(i915, ICL_DPCLKA_CFGCR0, + RKL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)); +} + +static bool rkl_ddi_is_clock_enabled(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum phy phy = intel_port_to_phy(i915, encoder->port); + + return _icl_ddi_is_clock_enabled(i915, ICL_DPCLKA_CFGCR0, + RKL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)); +} + +static struct intel_shared_dpll *rkl_ddi_get_pll(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum phy phy = intel_port_to_phy(i915, encoder->port); + + return _icl_ddi_get_pll(i915, ICL_DPCLKA_CFGCR0, + RKL_DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(phy), + RKL_DPCLKA_CFGCR0_DDI_CLK_SEL_SHIFT(phy)); +} + +static void dg1_ddi_enable_clock(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + const struct intel_shared_dpll *pll = crtc_state->shared_dpll; + enum phy phy = intel_port_to_phy(i915, encoder->port); + + if (drm_WARN_ON(&i915->drm, !pll)) + return; + + /* + * If we fail this, something went very wrong: first 2 PLLs should be + * used by first 2 phys and last 2 PLLs by last phys + */ + if (drm_WARN_ON(&i915->drm, + (pll->info->id < DPLL_ID_DG1_DPLL2 && phy >= PHY_C) || + (pll->info->id >= DPLL_ID_DG1_DPLL2 && phy < PHY_C))) + return; + + _icl_ddi_enable_clock(i915, DG1_DPCLKA_CFGCR0(phy), + DG1_DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(phy), + DG1_DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, phy), + DG1_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)); +} + +static void dg1_ddi_disable_clock(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum phy phy = intel_port_to_phy(i915, encoder->port); + + _icl_ddi_disable_clock(i915, DG1_DPCLKA_CFGCR0(phy), + DG1_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)); +} + +static bool dg1_ddi_is_clock_enabled(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum phy phy = intel_port_to_phy(i915, encoder->port); + + return _icl_ddi_is_clock_enabled(i915, DG1_DPCLKA_CFGCR0(phy), + DG1_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)); +} + +static struct intel_shared_dpll *dg1_ddi_get_pll(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum phy phy = intel_port_to_phy(i915, encoder->port); + enum intel_dpll_id id; u32 val; - mutex_lock(&dev_priv->dpll_lock); + val = intel_de_read(i915, DG1_DPCLKA_CFGCR0(phy)); + val &= DG1_DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(phy); + val >>= DG1_DPCLKA_CFGCR0_DDI_CLK_SEL_SHIFT(phy); + id = val; + + /* + * _DG1_DPCLKA0_CFGCR0 maps between DPLL 0 and 1 with one bit for phy A + * and B while _DG1_DPCLKA1_CFGCR0 maps between DPLL 2 and 3 with one + * bit for phy C and D. + */ + if (phy >= PHY_C) + id += DPLL_ID_DG1_DPLL2; + + return intel_get_shared_dpll_by_id(i915, id); +} + +static void icl_ddi_combo_enable_clock(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + const struct intel_shared_dpll *pll = crtc_state->shared_dpll; + enum phy phy = intel_port_to_phy(i915, encoder->port); + + if (drm_WARN_ON(&i915->drm, !pll)) + return; + + _icl_ddi_enable_clock(i915, ICL_DPCLKA_CFGCR0, + ICL_DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(phy), + ICL_DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, phy), + ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)); +} + +static void icl_ddi_combo_disable_clock(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum phy phy = intel_port_to_phy(i915, encoder->port); + + _icl_ddi_disable_clock(i915, ICL_DPCLKA_CFGCR0, + ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)); +} + +static bool icl_ddi_combo_is_clock_enabled(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum phy phy = intel_port_to_phy(i915, encoder->port); + + return _icl_ddi_is_clock_enabled(i915, ICL_DPCLKA_CFGCR0, + ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)); +} + +struct intel_shared_dpll *icl_ddi_combo_get_pll(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum phy phy = intel_port_to_phy(i915, encoder->port); + + return _icl_ddi_get_pll(i915, ICL_DPCLKA_CFGCR0, + ICL_DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(phy), + ICL_DPCLKA_CFGCR0_DDI_CLK_SEL_SHIFT(phy)); +} + +static void jsl_ddi_tc_enable_clock(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + const struct intel_shared_dpll *pll = crtc_state->shared_dpll; + enum port port = encoder->port; + + if (drm_WARN_ON(&i915->drm, !pll)) + return; + + /* + * "For DDIC and DDID, program DDI_CLK_SEL to map the MG clock to the port. + * MG does not exist, but the programming is required to ungate DDIC and DDID." + */ + intel_de_write(i915, DDI_CLK_SEL(port), DDI_CLK_SEL_MG); + + icl_ddi_combo_enable_clock(encoder, crtc_state); +} + +static void jsl_ddi_tc_disable_clock(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum port port = encoder->port; - val = I915_READ(DPCLKA_CFGCR0_ICL); - WARN_ON((val & icl_dpclka_cfgcr0_clk_off(dev_priv, port)) == 0); + icl_ddi_combo_disable_clock(encoder); - if (intel_port_is_combophy(dev_priv, port)) { - val &= ~DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(port); - val |= DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, port); - I915_WRITE(DPCLKA_CFGCR0_ICL, val); - POSTING_READ(DPCLKA_CFGCR0_ICL); + intel_de_write(i915, DDI_CLK_SEL(port), DDI_CLK_SEL_NONE); +} + +static bool jsl_ddi_tc_is_clock_enabled(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum port port = encoder->port; + u32 tmp; + + tmp = intel_de_read(i915, DDI_CLK_SEL(port)); + + if ((tmp & DDI_CLK_SEL_MASK) == DDI_CLK_SEL_NONE) + return false; + + return icl_ddi_combo_is_clock_enabled(encoder); +} + +static void icl_ddi_tc_enable_clock(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + const struct intel_shared_dpll *pll = crtc_state->shared_dpll; + enum tc_port tc_port = intel_port_to_tc(i915, encoder->port); + enum port port = encoder->port; + + if (drm_WARN_ON(&i915->drm, !pll)) + return; + + intel_de_write(i915, DDI_CLK_SEL(port), + icl_pll_to_ddi_clk_sel(encoder, crtc_state)); + + mutex_lock(&i915->dpll.lock); + + intel_de_rmw(i915, ICL_DPCLKA_CFGCR0, + ICL_DPCLKA_CFGCR0_TC_CLK_OFF(tc_port), 0); + + mutex_unlock(&i915->dpll.lock); +} + +static void icl_ddi_tc_disable_clock(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum tc_port tc_port = intel_port_to_tc(i915, encoder->port); + enum port port = encoder->port; + + mutex_lock(&i915->dpll.lock); + + intel_de_rmw(i915, ICL_DPCLKA_CFGCR0, + 0, ICL_DPCLKA_CFGCR0_TC_CLK_OFF(tc_port)); + + mutex_unlock(&i915->dpll.lock); + + intel_de_write(i915, DDI_CLK_SEL(port), DDI_CLK_SEL_NONE); +} + +static bool icl_ddi_tc_is_clock_enabled(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum tc_port tc_port = intel_port_to_tc(i915, encoder->port); + enum port port = encoder->port; + u32 tmp; + + tmp = intel_de_read(i915, DDI_CLK_SEL(port)); + + if ((tmp & DDI_CLK_SEL_MASK) == DDI_CLK_SEL_NONE) + return false; + + tmp = intel_de_read(i915, ICL_DPCLKA_CFGCR0); + + return !(tmp & ICL_DPCLKA_CFGCR0_TC_CLK_OFF(tc_port)); +} + +static struct intel_shared_dpll *icl_ddi_tc_get_pll(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum tc_port tc_port = intel_port_to_tc(i915, encoder->port); + enum port port = encoder->port; + enum intel_dpll_id id; + u32 tmp; + + tmp = intel_de_read(i915, DDI_CLK_SEL(port)); + + switch (tmp & DDI_CLK_SEL_MASK) { + case DDI_CLK_SEL_TBT_162: + case DDI_CLK_SEL_TBT_270: + case DDI_CLK_SEL_TBT_540: + case DDI_CLK_SEL_TBT_810: + id = DPLL_ID_ICL_TBTPLL; + break; + case DDI_CLK_SEL_MG: + id = icl_tc_port_to_pll_id(tc_port); + break; + default: + MISSING_CASE(tmp); + fallthrough; + case DDI_CLK_SEL_NONE: + return NULL; } - val &= ~icl_dpclka_cfgcr0_clk_off(dev_priv, port); - I915_WRITE(DPCLKA_CFGCR0_ICL, val); + return intel_get_shared_dpll_by_id(i915, id); +} + +static struct intel_shared_dpll *bxt_ddi_get_pll(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum intel_dpll_id id; + + switch (encoder->port) { + case PORT_A: + id = DPLL_ID_SKL_DPLL0; + break; + case PORT_B: + id = DPLL_ID_SKL_DPLL1; + break; + case PORT_C: + id = DPLL_ID_SKL_DPLL2; + break; + default: + MISSING_CASE(encoder->port); + return NULL; + } - mutex_unlock(&dev_priv->dpll_lock); + return intel_get_shared_dpll_by_id(i915, id); } -static void icl_unmap_plls_to_ports(struct intel_encoder *encoder) +static void skl_ddi_enable_clock(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + const struct intel_shared_dpll *pll = crtc_state->shared_dpll; enum port port = encoder->port; - u32 val; - mutex_lock(&dev_priv->dpll_lock); + if (drm_WARN_ON(&i915->drm, !pll)) + return; + + mutex_lock(&i915->dpll.lock); - val = I915_READ(DPCLKA_CFGCR0_ICL); - val |= icl_dpclka_cfgcr0_clk_off(dev_priv, port); - I915_WRITE(DPCLKA_CFGCR0_ICL, val); + intel_de_rmw(i915, DPLL_CTRL2, + DPLL_CTRL2_DDI_CLK_OFF(port) | + DPLL_CTRL2_DDI_CLK_SEL_MASK(port), + DPLL_CTRL2_DDI_CLK_SEL(pll->info->id, port) | + DPLL_CTRL2_DDI_SEL_OVERRIDE(port)); - mutex_unlock(&dev_priv->dpll_lock); + mutex_unlock(&i915->dpll.lock); } -void icl_sanitize_encoder_pll_mapping(struct intel_encoder *encoder) +static void skl_ddi_disable_clock(struct intel_encoder *encoder) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - u32 val; - enum port port; + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum port port = encoder->port; + + mutex_lock(&i915->dpll.lock); + + intel_de_rmw(i915, DPLL_CTRL2, + 0, DPLL_CTRL2_DDI_CLK_OFF(port)); + + mutex_unlock(&i915->dpll.lock); +} + +static bool skl_ddi_is_clock_enabled(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum port port = encoder->port; + + /* + * FIXME Not sure if the override affects both + * the PLL selection and the CLK_OFF bit. + */ + return !(intel_de_read(i915, DPLL_CTRL2) & DPLL_CTRL2_DDI_CLK_OFF(port)); +} + +static struct intel_shared_dpll *skl_ddi_get_pll(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum port port = encoder->port; + enum intel_dpll_id id; + u32 tmp; + + tmp = intel_de_read(i915, DPLL_CTRL2); + + /* + * FIXME Not sure if the override affects both + * the PLL selection and the CLK_OFF bit. + */ + if ((tmp & DPLL_CTRL2_DDI_SEL_OVERRIDE(port)) == 0) + return NULL; + + id = (tmp & DPLL_CTRL2_DDI_CLK_SEL_MASK(port)) >> + DPLL_CTRL2_DDI_CLK_SEL_SHIFT(port); + + return intel_get_shared_dpll_by_id(i915, id); +} + +void hsw_ddi_enable_clock(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + const struct intel_shared_dpll *pll = crtc_state->shared_dpll; + enum port port = encoder->port; + + if (drm_WARN_ON(&i915->drm, !pll)) + return; + + intel_de_write(i915, PORT_CLK_SEL(port), hsw_pll_to_ddi_pll_sel(pll)); +} + +void hsw_ddi_disable_clock(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum port port = encoder->port; + + intel_de_write(i915, PORT_CLK_SEL(port), PORT_CLK_SEL_NONE); +} + +bool hsw_ddi_is_clock_enabled(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum port port = encoder->port; + + return intel_de_read(i915, PORT_CLK_SEL(port)) != PORT_CLK_SEL_NONE; +} + +static struct intel_shared_dpll *hsw_ddi_get_pll(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum port port = encoder->port; + enum intel_dpll_id id; + u32 tmp; + + tmp = intel_de_read(i915, PORT_CLK_SEL(port)); + + switch (tmp & PORT_CLK_SEL_MASK) { + case PORT_CLK_SEL_WRPLL1: + id = DPLL_ID_WRPLL1; + break; + case PORT_CLK_SEL_WRPLL2: + id = DPLL_ID_WRPLL2; + break; + case PORT_CLK_SEL_SPLL: + id = DPLL_ID_SPLL; + break; + case PORT_CLK_SEL_LCPLL_810: + id = DPLL_ID_LCPLL_810; + break; + case PORT_CLK_SEL_LCPLL_1350: + id = DPLL_ID_LCPLL_1350; + break; + case PORT_CLK_SEL_LCPLL_2700: + id = DPLL_ID_LCPLL_2700; + break; + default: + MISSING_CASE(tmp); + fallthrough; + case PORT_CLK_SEL_NONE: + return NULL; + } + + return intel_get_shared_dpll_by_id(i915, id); +} + +void intel_ddi_enable_clock(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + if (encoder->enable_clock) + encoder->enable_clock(encoder, crtc_state); +} + +void intel_ddi_disable_clock(struct intel_encoder *encoder) +{ + if (encoder->disable_clock) + encoder->disable_clock(encoder); +} + +void intel_ddi_sanitize_encoder_pll_mapping(struct intel_encoder *encoder) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); u32 port_mask; bool ddi_clk_needed; @@ -2806,7 +1976,7 @@ void icl_sanitize_encoder_pll_mapping(struct intel_encoder *encoder) * In the unlikely case that BIOS enables DP in MST mode, just * warn since our MST HW readout is incomplete. */ - if (WARN_ON(is_mst)) + if (drm_WARN_ON(&i915->drm, is_mst)) return; } @@ -2821,11 +1991,12 @@ void icl_sanitize_encoder_pll_mapping(struct intel_encoder *encoder) * Sanity check that we haven't incorrectly registered another * encoder using any of the ports of this DSI encoder. */ - for_each_intel_encoder(&dev_priv->drm, other_encoder) { + for_each_intel_encoder(&i915->drm, other_encoder) { if (other_encoder == encoder) continue; - if (WARN_ON(port_mask & BIT(other_encoder->port))) + if (drm_WARN_ON(&i915->drm, + port_mask & BIT(other_encoder->port))) return; } /* @@ -2835,384 +2006,544 @@ void icl_sanitize_encoder_pll_mapping(struct intel_encoder *encoder) ddi_clk_needed = false; } - val = I915_READ(DPCLKA_CFGCR0_ICL); - for_each_port_masked(port, port_mask) { - bool ddi_clk_ungated = !(val & - icl_dpclka_cfgcr0_clk_off(dev_priv, - port)); - - if (ddi_clk_needed == ddi_clk_ungated) - continue; + if (ddi_clk_needed || !encoder->is_clock_enabled || + !encoder->is_clock_enabled(encoder)) + return; - /* - * Punt on the case now where clock is gated, but it would - * be needed by the port. Something else is really broken then. - */ - if (WARN_ON(ddi_clk_needed)) - continue; + drm_notice(&i915->drm, + "[ENCODER:%d:%s] is disabled/in DSI mode with an ungated DDI clock, gate it\n", + encoder->base.base.id, encoder->base.name); - DRM_NOTE("Port %c is disabled/in DSI mode with an ungated DDI clock, gate it\n", - port_name(port)); - val |= icl_dpclka_cfgcr0_clk_off(dev_priv, port); - I915_WRITE(DPCLKA_CFGCR0_ICL, val); - } + encoder->disable_clock(encoder); } -static void intel_ddi_clk_select(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state) +static void +icl_program_mg_dp_mode(struct intel_digital_port *dig_port, + const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum port port = encoder->port; - u32 val; - const struct intel_shared_dpll *pll = crtc_state->shared_dpll; + struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev); + enum tc_port tc_port = intel_port_to_tc(dev_priv, dig_port->base.port); + enum phy phy = intel_port_to_phy(dev_priv, dig_port->base.port); + u32 ln0, ln1, pin_assignment; + u8 width; - if (WARN_ON(!pll)) + if (!intel_phy_is_tc(dev_priv, phy) || + intel_tc_port_in_tbt_alt_mode(dig_port)) return; - mutex_lock(&dev_priv->dpll_lock); + if (DISPLAY_VER(dev_priv) >= 12) { + intel_de_write(dev_priv, HIP_INDEX_REG(tc_port), + HIP_INDEX_VAL(tc_port, 0x0)); + ln0 = intel_de_read(dev_priv, DKL_DP_MODE(tc_port)); + intel_de_write(dev_priv, HIP_INDEX_REG(tc_port), + HIP_INDEX_VAL(tc_port, 0x1)); + ln1 = intel_de_read(dev_priv, DKL_DP_MODE(tc_port)); + } else { + ln0 = intel_de_read(dev_priv, MG_DP_MODE(0, tc_port)); + ln1 = intel_de_read(dev_priv, MG_DP_MODE(1, tc_port)); + } - if (INTEL_GEN(dev_priv) >= 11) { - if (!intel_port_is_combophy(dev_priv, port)) - I915_WRITE(DDI_CLK_SEL(port), - icl_pll_to_ddi_clk_sel(encoder, crtc_state)); - } else if (IS_CANNONLAKE(dev_priv)) { - /* Configure DPCLKA_CFGCR0 to map the DPLL to the DDI. */ - val = I915_READ(DPCLKA_CFGCR0); - val &= ~DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(port); - val |= DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, port); - I915_WRITE(DPCLKA_CFGCR0, val); + ln0 &= ~(MG_DP_MODE_CFG_DP_X1_MODE | MG_DP_MODE_CFG_DP_X2_MODE); + ln1 &= ~(MG_DP_MODE_CFG_DP_X1_MODE | MG_DP_MODE_CFG_DP_X2_MODE); - /* - * Configure DPCLKA_CFGCR0 to turn on the clock for the DDI. - * This step and the step before must be done with separate - * register writes. - */ - val = I915_READ(DPCLKA_CFGCR0); - val &= ~DPCLKA_CFGCR0_DDI_CLK_OFF(port); - I915_WRITE(DPCLKA_CFGCR0, val); - } else if (IS_GEN9_BC(dev_priv)) { - /* DDI -> PLL mapping */ - val = I915_READ(DPLL_CTRL2); - - val &= ~(DPLL_CTRL2_DDI_CLK_OFF(port) | - DPLL_CTRL2_DDI_CLK_SEL_MASK(port)); - val |= (DPLL_CTRL2_DDI_CLK_SEL(pll->info->id, port) | - DPLL_CTRL2_DDI_SEL_OVERRIDE(port)); - - I915_WRITE(DPLL_CTRL2, val); - - } else if (INTEL_GEN(dev_priv) < 9) { - I915_WRITE(PORT_CLK_SEL(port), hsw_pll_to_ddi_pll_sel(pll)); + /* DPPATC */ + pin_assignment = intel_tc_port_get_pin_assignment_mask(dig_port); + width = crtc_state->lane_count; + + switch (pin_assignment) { + case 0x0: + drm_WARN_ON(&dev_priv->drm, + !intel_tc_port_in_legacy_mode(dig_port)); + if (width == 1) { + ln1 |= MG_DP_MODE_CFG_DP_X1_MODE; + } else { + ln0 |= MG_DP_MODE_CFG_DP_X2_MODE; + ln1 |= MG_DP_MODE_CFG_DP_X2_MODE; + } + break; + case 0x1: + if (width == 4) { + ln0 |= MG_DP_MODE_CFG_DP_X2_MODE; + ln1 |= MG_DP_MODE_CFG_DP_X2_MODE; + } + break; + case 0x2: + if (width == 2) { + ln0 |= MG_DP_MODE_CFG_DP_X2_MODE; + ln1 |= MG_DP_MODE_CFG_DP_X2_MODE; + } + break; + case 0x3: + case 0x5: + if (width == 1) { + ln0 |= MG_DP_MODE_CFG_DP_X1_MODE; + ln1 |= MG_DP_MODE_CFG_DP_X1_MODE; + } else { + ln0 |= MG_DP_MODE_CFG_DP_X2_MODE; + ln1 |= MG_DP_MODE_CFG_DP_X2_MODE; + } + break; + case 0x4: + case 0x6: + if (width == 1) { + ln0 |= MG_DP_MODE_CFG_DP_X1_MODE; + ln1 |= MG_DP_MODE_CFG_DP_X1_MODE; + } else { + ln0 |= MG_DP_MODE_CFG_DP_X2_MODE; + ln1 |= MG_DP_MODE_CFG_DP_X2_MODE; + } + break; + default: + MISSING_CASE(pin_assignment); } - mutex_unlock(&dev_priv->dpll_lock); + if (DISPLAY_VER(dev_priv) >= 12) { + intel_de_write(dev_priv, HIP_INDEX_REG(tc_port), + HIP_INDEX_VAL(tc_port, 0x0)); + intel_de_write(dev_priv, DKL_DP_MODE(tc_port), ln0); + intel_de_write(dev_priv, HIP_INDEX_REG(tc_port), + HIP_INDEX_VAL(tc_port, 0x1)); + intel_de_write(dev_priv, DKL_DP_MODE(tc_port), ln1); + } else { + intel_de_write(dev_priv, MG_DP_MODE(0, tc_port), ln0); + intel_de_write(dev_priv, MG_DP_MODE(1, tc_port), ln1); + } } -static void intel_ddi_clk_disable(struct intel_encoder *encoder) +static enum transcoder +tgl_dp_tp_transcoder(const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum port port = encoder->port; - - if (INTEL_GEN(dev_priv) >= 11) { - if (!intel_port_is_combophy(dev_priv, port)) - I915_WRITE(DDI_CLK_SEL(port), DDI_CLK_SEL_NONE); - } else if (IS_CANNONLAKE(dev_priv)) { - I915_WRITE(DPCLKA_CFGCR0, I915_READ(DPCLKA_CFGCR0) | - DPCLKA_CFGCR0_DDI_CLK_OFF(port)); - } else if (IS_GEN9_BC(dev_priv)) { - I915_WRITE(DPLL_CTRL2, I915_READ(DPLL_CTRL2) | - DPLL_CTRL2_DDI_CLK_OFF(port)); - } else if (INTEL_GEN(dev_priv) < 9) { - I915_WRITE(PORT_CLK_SEL(port), PORT_CLK_SEL_NONE); - } + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST)) + return crtc_state->mst_master_transcoder; + else + return crtc_state->cpu_transcoder; } -static void icl_enable_phy_clock_gating(struct intel_digital_port *dig_port) +i915_reg_t dp_tp_ctl_reg(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev); - enum port port = dig_port->base.port; - enum tc_port tc_port = intel_port_to_tc(dev_priv, port); - u32 val; - int ln; - - if (tc_port == PORT_TC_NONE) - return; - - for (ln = 0; ln < 2; ln++) { - val = I915_READ(MG_DP_MODE(ln, port)); - val |= MG_DP_MODE_CFG_TR2PWR_GATING | - MG_DP_MODE_CFG_TRPWR_GATING | - MG_DP_MODE_CFG_CLNPWR_GATING | - MG_DP_MODE_CFG_DIGPWR_GATING | - MG_DP_MODE_CFG_GAONPWR_GATING; - I915_WRITE(MG_DP_MODE(ln, port), val); - } + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - val = I915_READ(MG_MISC_SUS0(tc_port)); - val |= MG_MISC_SUS0_SUSCLK_DYNCLKGATE_MODE(3) | - MG_MISC_SUS0_CFG_TR2PWR_GATING | - MG_MISC_SUS0_CFG_CL2PWR_GATING | - MG_MISC_SUS0_CFG_GAONPWR_GATING | - MG_MISC_SUS0_CFG_TRPWR_GATING | - MG_MISC_SUS0_CFG_CL1PWR_GATING | - MG_MISC_SUS0_CFG_DGPWR_GATING; - I915_WRITE(MG_MISC_SUS0(tc_port), val); + if (DISPLAY_VER(dev_priv) >= 12) + return TGL_DP_TP_CTL(tgl_dp_tp_transcoder(crtc_state)); + else + return DP_TP_CTL(encoder->port); } -static void icl_disable_phy_clock_gating(struct intel_digital_port *dig_port) +i915_reg_t dp_tp_status_reg(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev); - enum port port = dig_port->base.port; - enum tc_port tc_port = intel_port_to_tc(dev_priv, port); - u32 val; - int ln; - - if (tc_port == PORT_TC_NONE) - return; - - for (ln = 0; ln < 2; ln++) { - val = I915_READ(MG_DP_MODE(ln, port)); - val &= ~(MG_DP_MODE_CFG_TR2PWR_GATING | - MG_DP_MODE_CFG_TRPWR_GATING | - MG_DP_MODE_CFG_CLNPWR_GATING | - MG_DP_MODE_CFG_DIGPWR_GATING | - MG_DP_MODE_CFG_GAONPWR_GATING); - I915_WRITE(MG_DP_MODE(ln, port), val); - } + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - val = I915_READ(MG_MISC_SUS0(tc_port)); - val &= ~(MG_MISC_SUS0_SUSCLK_DYNCLKGATE_MODE_MASK | - MG_MISC_SUS0_CFG_TR2PWR_GATING | - MG_MISC_SUS0_CFG_CL2PWR_GATING | - MG_MISC_SUS0_CFG_GAONPWR_GATING | - MG_MISC_SUS0_CFG_TRPWR_GATING | - MG_MISC_SUS0_CFG_CL1PWR_GATING | - MG_MISC_SUS0_CFG_DGPWR_GATING); - I915_WRITE(MG_MISC_SUS0(tc_port), val); + if (DISPLAY_VER(dev_priv) >= 12) + return TGL_DP_TP_STATUS(tgl_dp_tp_transcoder(crtc_state)); + else + return DP_TP_STATUS(encoder->port); } -static void icl_program_mg_dp_mode(struct intel_digital_port *intel_dig_port) +static void intel_dp_sink_set_msa_timing_par_ignore_state(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state, + bool enable) { - struct drm_i915_private *dev_priv = to_i915(intel_dig_port->base.base.dev); - enum port port = intel_dig_port->base.port; - enum tc_port tc_port = intel_port_to_tc(dev_priv, port); - u32 ln0, ln1, lane_info; + struct drm_i915_private *i915 = dp_to_i915(intel_dp); - if (tc_port == PORT_TC_NONE || intel_dig_port->tc_type == TC_PORT_TBT) + if (!crtc_state->vrr.enable) return; - ln0 = I915_READ(MG_DP_MODE(0, port)); - ln1 = I915_READ(MG_DP_MODE(1, port)); - - switch (intel_dig_port->tc_type) { - case TC_PORT_TYPEC: - ln0 &= ~(MG_DP_MODE_CFG_DP_X1_MODE | MG_DP_MODE_CFG_DP_X2_MODE); - ln1 &= ~(MG_DP_MODE_CFG_DP_X1_MODE | MG_DP_MODE_CFG_DP_X2_MODE); - - lane_info = (I915_READ(PORT_TX_DFLEXDPSP) & - DP_LANE_ASSIGNMENT_MASK(tc_port)) >> - DP_LANE_ASSIGNMENT_SHIFT(tc_port); - - switch (lane_info) { - case 0x1: - case 0x4: - break; - case 0x2: - ln0 |= MG_DP_MODE_CFG_DP_X1_MODE; - break; - case 0x3: - ln0 |= MG_DP_MODE_CFG_DP_X1_MODE | - MG_DP_MODE_CFG_DP_X2_MODE; - break; - case 0x8: - ln1 |= MG_DP_MODE_CFG_DP_X1_MODE; - break; - case 0xC: - ln1 |= MG_DP_MODE_CFG_DP_X1_MODE | - MG_DP_MODE_CFG_DP_X2_MODE; - break; - case 0xF: - ln0 |= MG_DP_MODE_CFG_DP_X1_MODE | - MG_DP_MODE_CFG_DP_X2_MODE; - ln1 |= MG_DP_MODE_CFG_DP_X1_MODE | - MG_DP_MODE_CFG_DP_X2_MODE; - break; - default: - MISSING_CASE(lane_info); - } - break; - - case TC_PORT_LEGACY: - ln0 |= MG_DP_MODE_CFG_DP_X1_MODE | MG_DP_MODE_CFG_DP_X2_MODE; - ln1 |= MG_DP_MODE_CFG_DP_X1_MODE | MG_DP_MODE_CFG_DP_X2_MODE; - break; - - default: - MISSING_CASE(intel_dig_port->tc_type); - return; - } - - I915_WRITE(MG_DP_MODE(0, port), ln0); - I915_WRITE(MG_DP_MODE(1, port), ln1); + if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_DOWNSPREAD_CTRL, + enable ? DP_MSA_TIMING_PAR_IGNORE_EN : 0) <= 0) + drm_dbg_kms(&i915->drm, + "Failed to %s MSA_TIMING_PAR_IGNORE in the sink\n", + str_enable_disable(enable)); } static void intel_dp_sink_set_fec_ready(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state) { + struct drm_i915_private *i915 = dp_to_i915(intel_dp); + if (!crtc_state->fec_enable) return; if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_FEC_CONFIGURATION, DP_FEC_READY) <= 0) - DRM_DEBUG_KMS("Failed to set FEC_READY in the sink\n"); + drm_dbg_kms(&i915->drm, + "Failed to set FEC_READY in the sink\n"); } static void intel_ddi_enable_fec(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum port port = encoder->port; + struct intel_dp *intel_dp; u32 val; if (!crtc_state->fec_enable) return; - val = I915_READ(DP_TP_CTL(port)); + intel_dp = enc_to_intel_dp(encoder); + val = intel_de_read(dev_priv, dp_tp_ctl_reg(encoder, crtc_state)); val |= DP_TP_CTL_FEC_ENABLE; - I915_WRITE(DP_TP_CTL(port), val); - - if (intel_wait_for_register(&dev_priv->uncore, DP_TP_STATUS(port), - DP_TP_STATUS_FEC_ENABLE_LIVE, - DP_TP_STATUS_FEC_ENABLE_LIVE, - 1)) - DRM_ERROR("Timed out waiting for FEC Enable Status\n"); + intel_de_write(dev_priv, dp_tp_ctl_reg(encoder, crtc_state), val); } static void intel_ddi_disable_fec_state(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum port port = encoder->port; + struct intel_dp *intel_dp; u32 val; if (!crtc_state->fec_enable) return; - val = I915_READ(DP_TP_CTL(port)); + intel_dp = enc_to_intel_dp(encoder); + val = intel_de_read(dev_priv, dp_tp_ctl_reg(encoder, crtc_state)); val &= ~DP_TP_CTL_FEC_ENABLE; - I915_WRITE(DP_TP_CTL(port), val); - POSTING_READ(DP_TP_CTL(port)); + intel_de_write(dev_priv, dp_tp_ctl_reg(encoder, crtc_state), val); + intel_de_posting_read(dev_priv, dp_tp_ctl_reg(encoder, crtc_state)); } -static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state) +static void intel_ddi_power_up_lanes(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { - struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); + enum phy phy = intel_port_to_phy(i915, encoder->port); + + if (intel_phy_is_combo(i915, phy)) { + bool lane_reversal = + dig_port->saved_port_bits & DDI_BUF_PORT_REVERSAL; + + intel_combo_phy_power_up_lanes(i915, phy, false, + crtc_state->lane_count, + lane_reversal); + } +} + +/* Splitter enable for eDP MSO is limited to certain pipes. */ +static u8 intel_ddi_splitter_pipe_mask(struct drm_i915_private *i915) +{ + if (IS_ALDERLAKE_P(i915)) + return BIT(PIPE_A) | BIT(PIPE_B); + else + return BIT(PIPE_A); +} + +static void intel_ddi_mso_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *pipe_config) +{ + struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc); + struct drm_i915_private *i915 = to_i915(crtc->base.dev); + enum pipe pipe = crtc->pipe; + u32 dss1; + + if (!HAS_MSO(i915)) + return; + + dss1 = intel_de_read(i915, ICL_PIPE_DSS_CTL1(pipe)); + + pipe_config->splitter.enable = dss1 & SPLITTER_ENABLE; + if (!pipe_config->splitter.enable) + return; + + if (drm_WARN_ON(&i915->drm, !(intel_ddi_splitter_pipe_mask(i915) & BIT(pipe)))) { + pipe_config->splitter.enable = false; + return; + } + + switch (dss1 & SPLITTER_CONFIGURATION_MASK) { + default: + drm_WARN(&i915->drm, true, + "Invalid splitter configuration, dss1=0x%08x\n", dss1); + fallthrough; + case SPLITTER_CONFIGURATION_2_SEGMENT: + pipe_config->splitter.link_count = 2; + break; + case SPLITTER_CONFIGURATION_4_SEGMENT: + pipe_config->splitter.link_count = 4; + break; + } + + pipe_config->splitter.pixel_overlap = REG_FIELD_GET(OVERLAP_PIXELS_MASK, dss1); +} + +static void intel_ddi_mso_configure(const struct intel_crtc_state *crtc_state) +{ + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + struct drm_i915_private *i915 = to_i915(crtc->base.dev); + enum pipe pipe = crtc->pipe; + u32 dss1 = 0; + + if (!HAS_MSO(i915)) + return; + + if (crtc_state->splitter.enable) { + dss1 |= SPLITTER_ENABLE; + dss1 |= OVERLAP_PIXELS(crtc_state->splitter.pixel_overlap); + if (crtc_state->splitter.link_count == 2) + dss1 |= SPLITTER_CONFIGURATION_2_SEGMENT; + else + dss1 |= SPLITTER_CONFIGURATION_4_SEGMENT; + } + + intel_de_rmw(i915, ICL_PIPE_DSS_CTL1(pipe), + SPLITTER_ENABLE | SPLITTER_CONFIGURATION_MASK | + OVERLAP_PIXELS_MASK, dss1); +} + +static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state, + struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) +{ + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum port port = encoder->port; - struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); bool is_mst = intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST); - int level = intel_ddi_dp_level(intel_dp); - WARN_ON(is_mst && (port == PORT_A || port == PORT_E)); + intel_dp_set_link_params(intel_dp, + crtc_state->port_clock, + crtc_state->lane_count); - intel_dp_set_link_params(intel_dp, crtc_state->port_clock, - crtc_state->lane_count, is_mst); + /* + * We only configure what the register value will be here. Actual + * enabling happens during link training farther down. + */ + intel_ddi_init_dp_buf_reg(encoder, crtc_state); - intel_edp_panel_on(intel_dp); + /* + * 1. Enable Power Wells + * + * This was handled at the beginning of intel_atomic_commit_tail(), + * before we called down into this function. + */ - intel_ddi_clk_select(encoder, crtc_state); + /* 2. Enable Panel Power if PPS is required */ + intel_pps_on(intel_dp); - intel_display_power_get(dev_priv, dig_port->ddi_io_power_domain); + /* + * 3. For non-TBT Type-C ports, set FIA lane count + * (DFLEXDPSP.DPX4TXLATC) + * + * This was done before tgl_ddi_pre_enable_dp by + * hsw_crtc_enable()->intel_encoders_pre_pll_enable(). + */ + + /* + * 4. Enable the port PLL. + * + * The PLL enabling itself was already done before this function by + * hsw_crtc_enable()->intel_enable_shared_dpll(). We need only + * configure the PLL to port mapping here. + */ + intel_ddi_enable_clock(encoder, crtc_state); + + /* 5. If IO power is controlled through PWR_WELL_CTL, Enable IO Power */ + if (!intel_tc_port_in_tbt_alt_mode(dig_port)) { + drm_WARN_ON(&dev_priv->drm, dig_port->ddi_io_wakeref); + dig_port->ddi_io_wakeref = intel_display_power_get(dev_priv, + dig_port->ddi_io_power_domain); + } + + /* 6. Program DP_MODE */ + icl_program_mg_dp_mode(dig_port, crtc_state); + + /* + * 7. The rest of the below are substeps under the bspec's "Enable and + * Train Display Port" step. Note that steps that are specific to + * MST will be handled by intel_mst_pre_enable_dp() before/after it + * calls into this function. Also intel_mst_pre_enable_dp() only calls + * us when active_mst_links==0, so any steps designated for "single + * stream or multi-stream master transcoder" can just be performed + * unconditionally here. + */ + + /* + * 7.a Configure Transcoder Clock Select to direct the Port clock to the + * Transcoder. + */ + intel_ddi_enable_pipe_clock(encoder, crtc_state); + + if (HAS_DP20(dev_priv)) + intel_ddi_config_transcoder_dp2(encoder, crtc_state); + + /* + * 7.b Configure TRANS_DDI_FUNC_CTL DDI Select, DDI Mode Select & MST + * Transport Select + */ + intel_ddi_config_transcoder_func(encoder, crtc_state); + + /* + * 7.c Configure & enable DP_TP_CTL with link training pattern 1 + * selected + * + * This will be handled by the intel_dp_start_link_train() farther + * down this function. + */ - icl_program_mg_dp_mode(dig_port); - icl_disable_phy_clock_gating(dig_port); + /* 7.e Configure voltage swing and related IO settings */ + encoder->set_signal_levels(encoder, crtc_state); - if (INTEL_GEN(dev_priv) >= 11) - icl_ddi_vswing_sequence(encoder, crtc_state->port_clock, - level, encoder->type); - else if (IS_CANNONLAKE(dev_priv)) - cnl_ddi_vswing_sequence(encoder, level, encoder->type); - else if (IS_GEN9_LP(dev_priv)) - bxt_ddi_vswing_sequence(encoder, level, encoder->type); + /* + * 7.f Combo PHY: Configure PORT_CL_DW10 Static Power Down to power up + * the used lanes of the DDI. + */ + intel_ddi_power_up_lanes(encoder, crtc_state); + + /* + * 7.g Program CoG/MSO configuration bits in DSS_CTL1 if selected. + */ + intel_ddi_mso_configure(crtc_state); + + if (!is_mst) + intel_dp_set_power(intel_dp, DP_SET_POWER_D0); + + intel_dp_configure_protocol_converter(intel_dp, crtc_state); + intel_dp_sink_set_decompression_state(intel_dp, crtc_state, true); + /* + * DDI FEC: "anticipates enabling FEC encoding sets the FEC_READY bit + * in the FEC_CONFIGURATION register to 1 before initiating link + * training + */ + intel_dp_sink_set_fec_ready(intel_dp, crtc_state); + + intel_dp_check_frl_training(intel_dp); + intel_dp_pcon_dsc_configure(intel_dp, crtc_state); + + /* + * 7.i Follow DisplayPort specification training sequence (see notes for + * failure handling) + * 7.j If DisplayPort multi-stream - Set DP_TP_CTL link training to Idle + * Pattern, wait for 5 idle patterns (DP_TP_STATUS Min_Idles_Sent) + * (timeout after 800 us) + */ + intel_dp_start_link_train(intel_dp, crtc_state); + + /* 7.k Set DP_TP_CTL link training to Normal */ + if (!is_trans_port_sync_mode(crtc_state)) + intel_dp_stop_link_train(intel_dp, crtc_state); + + /* 7.l Configure and enable FEC if needed */ + intel_ddi_enable_fec(encoder, crtc_state); + + intel_dsc_dp_pps_write(encoder, crtc_state); +} + +static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state, + struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) +{ + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + enum port port = encoder->port; + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); + bool is_mst = intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST); + + if (DISPLAY_VER(dev_priv) < 11) + drm_WARN_ON(&dev_priv->drm, + is_mst && (port == PORT_A || port == PORT_E)); else - intel_prepare_dp_ddi_buffers(encoder, crtc_state); + drm_WARN_ON(&dev_priv->drm, is_mst && port == PORT_A); - if (intel_port_is_combophy(dev_priv, port)) { - bool lane_reversal = - dig_port->saved_port_bits & DDI_BUF_PORT_REVERSAL; + intel_dp_set_link_params(intel_dp, + crtc_state->port_clock, + crtc_state->lane_count); - intel_combo_phy_power_up_lanes(dev_priv, port, false, - crtc_state->lane_count, - lane_reversal); + /* + * We only configure what the register value will be here. Actual + * enabling happens during link training farther down. + */ + intel_ddi_init_dp_buf_reg(encoder, crtc_state); + + intel_pps_on(intel_dp); + + intel_ddi_enable_clock(encoder, crtc_state); + + if (!intel_tc_port_in_tbt_alt_mode(dig_port)) { + drm_WARN_ON(&dev_priv->drm, dig_port->ddi_io_wakeref); + dig_port->ddi_io_wakeref = intel_display_power_get(dev_priv, + dig_port->ddi_io_power_domain); } - intel_ddi_init_dp_buf_reg(encoder); + icl_program_mg_dp_mode(dig_port, crtc_state); + + if (has_buf_trans_select(dev_priv)) + hsw_prepare_dp_ddi_buffers(encoder, crtc_state); + + encoder->set_signal_levels(encoder, crtc_state); + + intel_ddi_power_up_lanes(encoder, crtc_state); + if (!is_mst) - intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON); + intel_dp_set_power(intel_dp, DP_SET_POWER_D0); + intel_dp_configure_protocol_converter(intel_dp, crtc_state); intel_dp_sink_set_decompression_state(intel_dp, crtc_state, true); intel_dp_sink_set_fec_ready(intel_dp, crtc_state); - intel_dp_start_link_train(intel_dp); - if (port != PORT_A || INTEL_GEN(dev_priv) >= 9) - intel_dp_stop_link_train(intel_dp); + intel_dp_start_link_train(intel_dp, crtc_state); + if ((port != PORT_A || DISPLAY_VER(dev_priv) >= 9) && + !is_trans_port_sync_mode(crtc_state)) + intel_dp_stop_link_train(intel_dp, crtc_state); intel_ddi_enable_fec(encoder, crtc_state); - icl_enable_phy_clock_gating(dig_port); - if (!is_mst) - intel_ddi_enable_pipe_clock(crtc_state); + intel_ddi_enable_pipe_clock(encoder, crtc_state); - intel_dsc_enable(encoder, crtc_state); + intel_dsc_dp_pps_write(encoder, crtc_state); } -static void intel_ddi_pre_enable_hdmi(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state) +static void intel_ddi_pre_enable_dp(struct intel_atomic_state *state, + struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) { - struct intel_digital_port *intel_dig_port = enc_to_dig_port(&encoder->base); - struct intel_hdmi *intel_hdmi = &intel_dig_port->hdmi; struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum port port = encoder->port; - int level = intel_ddi_hdmi_level(dev_priv, port); - struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); - intel_dp_dual_mode_set_tmds_output(intel_hdmi, true); - intel_ddi_clk_select(encoder, crtc_state); + if (DISPLAY_VER(dev_priv) >= 12) + tgl_ddi_pre_enable_dp(state, encoder, crtc_state, conn_state); + else + hsw_ddi_pre_enable_dp(state, encoder, crtc_state, conn_state); - intel_display_power_get(dev_priv, dig_port->ddi_io_power_domain); + /* MST will call a setting of MSA after an allocating of Virtual Channel + * from MST encoder pre_enable callback. + */ + if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST)) + intel_ddi_set_dp_msa(crtc_state, conn_state); +} - icl_program_mg_dp_mode(dig_port); - icl_disable_phy_clock_gating(dig_port); +static void intel_ddi_pre_enable_hdmi(struct intel_atomic_state *state, + struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) +{ + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); + struct intel_hdmi *intel_hdmi = &dig_port->hdmi; + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - if (INTEL_GEN(dev_priv) >= 11) - icl_ddi_vswing_sequence(encoder, crtc_state->port_clock, - level, INTEL_OUTPUT_HDMI); - else if (IS_CANNONLAKE(dev_priv)) - cnl_ddi_vswing_sequence(encoder, level, INTEL_OUTPUT_HDMI); - else if (IS_GEN9_LP(dev_priv)) - bxt_ddi_vswing_sequence(encoder, level, INTEL_OUTPUT_HDMI); - else - intel_prepare_hdmi_ddi_buffers(encoder, level); + intel_dp_dual_mode_set_tmds_output(intel_hdmi, true); + intel_ddi_enable_clock(encoder, crtc_state); - icl_enable_phy_clock_gating(dig_port); + drm_WARN_ON(&dev_priv->drm, dig_port->ddi_io_wakeref); + dig_port->ddi_io_wakeref = intel_display_power_get(dev_priv, + dig_port->ddi_io_power_domain); - if (IS_GEN9_BC(dev_priv)) - skl_ddi_set_iboost(encoder, level, INTEL_OUTPUT_HDMI); + icl_program_mg_dp_mode(dig_port, crtc_state); - intel_ddi_enable_pipe_clock(crtc_state); + intel_ddi_enable_pipe_clock(encoder, crtc_state); - intel_dig_port->set_infoframes(encoder, - crtc_state->has_infoframe, - crtc_state, conn_state); + dig_port->set_infoframes(encoder, + crtc_state->has_infoframe, + crtc_state, conn_state); } -static void intel_ddi_pre_enable(struct intel_encoder *encoder, +static void intel_ddi_pre_enable(struct intel_atomic_state *state, + struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state) { - struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); enum pipe pipe = crtc->pipe; @@ -3229,28 +2560,25 @@ static void intel_ddi_pre_enable(struct intel_encoder *encoder, * the DP link parameteres */ - WARN_ON(crtc_state->has_pch_encoder); - - if (INTEL_GEN(dev_priv) >= 11) - icl_map_plls_to_ports(encoder, crtc_state); + drm_WARN_ON(&dev_priv->drm, crtc_state->has_pch_encoder); intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) { - intel_ddi_pre_enable_hdmi(encoder, crtc_state, conn_state); + intel_ddi_pre_enable_hdmi(state, encoder, crtc_state, + conn_state); } else { - struct intel_lspcon *lspcon = - enc_to_intel_lspcon(&encoder->base); + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); - intel_ddi_pre_enable_dp(encoder, crtc_state, conn_state); - if (lspcon->active) { - struct intel_digital_port *dig_port = - enc_to_dig_port(&encoder->base); + intel_ddi_pre_enable_dp(state, encoder, crtc_state, + conn_state); + /* FIXME precompute everything properly */ + /* FIXME how do we turn infoframes off again? */ + if (dig_port->lspcon.active && dig_port->dp.has_hdmi_sink) dig_port->set_infoframes(encoder, crtc_state->has_infoframe, crtc_state, conn_state); - } } } @@ -3262,17 +2590,19 @@ static void intel_disable_ddi_buf(struct intel_encoder *encoder, bool wait = false; u32 val; - val = I915_READ(DDI_BUF_CTL(port)); + val = intel_de_read(dev_priv, DDI_BUF_CTL(port)); if (val & DDI_BUF_CTL_ENABLE) { val &= ~DDI_BUF_CTL_ENABLE; - I915_WRITE(DDI_BUF_CTL(port), val); + intel_de_write(dev_priv, DDI_BUF_CTL(port), val); wait = true; } - val = I915_READ(DP_TP_CTL(port)); - val &= ~(DP_TP_CTL_ENABLE | DP_TP_CTL_LINK_TRAIN_MASK); - val |= DP_TP_CTL_LINK_TRAIN_PAT1; - I915_WRITE(DP_TP_CTL(port), val); + if (intel_crtc_has_dp_encoder(crtc_state)) { + val = intel_de_read(dev_priv, dp_tp_ctl_reg(encoder, crtc_state)); + val &= ~(DP_TP_CTL_ENABLE | DP_TP_CTL_LINK_TRAIN_MASK); + val |= DP_TP_CTL_LINK_TRAIN_PAT1; + intel_de_write(dev_priv, dp_tp_ctl_reg(encoder, crtc_state), val); + } /* Disable FEC in DP Sink */ intel_ddi_disable_fec_state(encoder, crtc_state); @@ -3281,42 +2611,73 @@ static void intel_disable_ddi_buf(struct intel_encoder *encoder, intel_wait_ddi_buf_idle(dev_priv, port); } -static void intel_ddi_post_disable_dp(struct intel_encoder *encoder, +static void intel_ddi_post_disable_dp(struct intel_atomic_state *state, + struct intel_encoder *encoder, const struct intel_crtc_state *old_crtc_state, const struct drm_connector_state *old_conn_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); struct intel_dp *intel_dp = &dig_port->dp; bool is_mst = intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_DP_MST); - if (!is_mst) { - intel_ddi_disable_pipe_clock(old_crtc_state); - /* - * Power down sink before disabling the port, otherwise we end - * up getting interrupts from the sink on detecting link loss. - */ - intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF); + if (!is_mst) + intel_dp_set_infoframes(encoder, false, + old_crtc_state, old_conn_state); + + /* + * Power down sink before disabling the port, otherwise we end + * up getting interrupts from the sink on detecting link loss. + */ + intel_dp_set_power(intel_dp, DP_SET_POWER_D3); + + if (DISPLAY_VER(dev_priv) >= 12) { + if (is_mst) { + enum transcoder cpu_transcoder = old_crtc_state->cpu_transcoder; + u32 val; + + val = intel_de_read(dev_priv, + TRANS_DDI_FUNC_CTL(cpu_transcoder)); + val &= ~(TGL_TRANS_DDI_PORT_MASK | + TRANS_DDI_MODE_SELECT_MASK); + intel_de_write(dev_priv, + TRANS_DDI_FUNC_CTL(cpu_transcoder), + val); + } + } else { + if (!is_mst) + intel_ddi_disable_pipe_clock(old_crtc_state); } intel_disable_ddi_buf(encoder, old_crtc_state); - intel_edp_panel_vdd_on(intel_dp); - intel_edp_panel_off(intel_dp); + /* + * From TGL spec: "If single stream or multi-stream master transcoder: + * Configure Transcoder Clock select to direct no clock to the + * transcoder" + */ + if (DISPLAY_VER(dev_priv) >= 12) + intel_ddi_disable_pipe_clock(old_crtc_state); + + intel_pps_vdd_on(intel_dp); + intel_pps_off(intel_dp); - intel_display_power_put_unchecked(dev_priv, - dig_port->ddi_io_power_domain); + if (!intel_tc_port_in_tbt_alt_mode(dig_port)) + intel_display_power_put(dev_priv, + dig_port->ddi_io_power_domain, + fetch_and_zero(&dig_port->ddi_io_wakeref)); - intel_ddi_clk_disable(encoder); + intel_ddi_disable_clock(encoder); } -static void intel_ddi_post_disable_hdmi(struct intel_encoder *encoder, +static void intel_ddi_post_disable_hdmi(struct intel_atomic_state *state, + struct intel_encoder *encoder, const struct intel_crtc_state *old_crtc_state, const struct drm_connector_state *old_conn_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); struct intel_hdmi *intel_hdmi = &dig_port->hdmi; dig_port->set_infoframes(encoder, false, @@ -3326,19 +2687,53 @@ static void intel_ddi_post_disable_hdmi(struct intel_encoder *encoder, intel_disable_ddi_buf(encoder, old_crtc_state); - intel_display_power_put_unchecked(dev_priv, - dig_port->ddi_io_power_domain); + intel_display_power_put(dev_priv, + dig_port->ddi_io_power_domain, + fetch_and_zero(&dig_port->ddi_io_wakeref)); - intel_ddi_clk_disable(encoder); + intel_ddi_disable_clock(encoder); intel_dp_dual_mode_set_tmds_output(intel_hdmi, false); } -static void intel_ddi_post_disable(struct intel_encoder *encoder, +static void intel_ddi_post_disable(struct intel_atomic_state *state, + struct intel_encoder *encoder, const struct intel_crtc_state *old_crtc_state, const struct drm_connector_state *old_conn_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); + bool is_tc_port = intel_phy_is_tc(dev_priv, phy); + struct intel_crtc *slave_crtc; + + if (!intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_DP_MST)) { + intel_crtc_vblank_off(old_crtc_state); + + intel_disable_transcoder(old_crtc_state); + + intel_vrr_disable(old_crtc_state); + + intel_ddi_disable_transcoder_func(old_crtc_state); + + intel_dsc_disable(old_crtc_state); + + if (DISPLAY_VER(dev_priv) >= 9) + skl_scaler_disable(old_crtc_state); + else + ilk_pfit_disable(old_crtc_state); + } + + for_each_intel_crtc_in_pipe_mask(&dev_priv->drm, slave_crtc, + intel_crtc_bigjoiner_slave_pipes(old_crtc_state)) { + const struct intel_crtc_state *old_slave_crtc_state = + intel_atomic_get_old_crtc_state(state, slave_crtc); + + intel_crtc_vblank_off(old_slave_crtc_state); + + intel_dsc_disable(old_slave_crtc_state); + skl_scaler_disable(old_slave_crtc_state); + } /* * When called from DP MST code: @@ -3354,107 +2749,126 @@ static void intel_ddi_post_disable(struct intel_encoder *encoder, */ if (intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_HDMI)) - intel_ddi_post_disable_hdmi(encoder, - old_crtc_state, old_conn_state); + intel_ddi_post_disable_hdmi(state, encoder, old_crtc_state, + old_conn_state); else - intel_ddi_post_disable_dp(encoder, - old_crtc_state, old_conn_state); + intel_ddi_post_disable_dp(state, encoder, old_crtc_state, + old_conn_state); - if (INTEL_GEN(dev_priv) >= 11) - icl_unmap_plls_to_ports(encoder); + if (intel_crtc_has_dp_encoder(old_crtc_state) || is_tc_port) + intel_display_power_put(dev_priv, + intel_ddi_main_link_aux_domain(dig_port), + fetch_and_zero(&dig_port->aux_wakeref)); + + if (is_tc_port) + intel_tc_port_put_link(dig_port); } -void intel_ddi_fdi_post_disable(struct intel_encoder *encoder, - const struct intel_crtc_state *old_crtc_state, - const struct drm_connector_state *old_conn_state) +static void trans_port_sync_stop_link_train(struct intel_atomic_state *state, + struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - u32 val; + const struct drm_connector_state *conn_state; + struct drm_connector *conn; + int i; - /* - * Bspec lists this as both step 13 (before DDI_BUF_CTL disable) - * and step 18 (after clearing PORT_CLK_SEL). Based on a BUN, - * step 13 is the correct place for it. Step 18 is where it was - * originally before the BUN. - */ - val = I915_READ(FDI_RX_CTL(PIPE_A)); - val &= ~FDI_RX_ENABLE; - I915_WRITE(FDI_RX_CTL(PIPE_A), val); + if (!crtc_state->sync_mode_slaves_mask) + return; - intel_disable_ddi_buf(encoder, old_crtc_state); - intel_ddi_clk_disable(encoder); + for_each_new_connector_in_state(&state->base, conn, conn_state, i) { + struct intel_encoder *slave_encoder = + to_intel_encoder(conn_state->best_encoder); + struct intel_crtc *slave_crtc = to_intel_crtc(conn_state->crtc); + const struct intel_crtc_state *slave_crtc_state; + + if (!slave_crtc) + continue; + + slave_crtc_state = + intel_atomic_get_new_crtc_state(state, slave_crtc); - val = I915_READ(FDI_RX_MISC(PIPE_A)); - val &= ~(FDI_RX_PWRDN_LANE1_MASK | FDI_RX_PWRDN_LANE0_MASK); - val |= FDI_RX_PWRDN_LANE1_VAL(2) | FDI_RX_PWRDN_LANE0_VAL(2); - I915_WRITE(FDI_RX_MISC(PIPE_A), val); + if (slave_crtc_state->master_transcoder != + crtc_state->cpu_transcoder) + continue; - val = I915_READ(FDI_RX_CTL(PIPE_A)); - val &= ~FDI_PCDCLK; - I915_WRITE(FDI_RX_CTL(PIPE_A), val); + intel_dp_stop_link_train(enc_to_intel_dp(slave_encoder), + slave_crtc_state); + } - val = I915_READ(FDI_RX_CTL(PIPE_A)); - val &= ~FDI_RX_PLL_ENABLE; - I915_WRITE(FDI_RX_CTL(PIPE_A), val); + usleep_range(200, 400); + + intel_dp_stop_link_train(enc_to_intel_dp(encoder), + crtc_state); } -static void intel_enable_ddi_dp(struct intel_encoder *encoder, +static void intel_enable_ddi_dp(struct intel_atomic_state *state, + struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); enum port port = encoder->port; - if (port == PORT_A && INTEL_GEN(dev_priv) < 9) - intel_dp_stop_link_train(intel_dp); + if (port == PORT_A && DISPLAY_VER(dev_priv) < 9) + intel_dp_stop_link_train(intel_dp, crtc_state); + drm_connector_update_privacy_screen(conn_state); intel_edp_backlight_on(crtc_state, conn_state); - intel_psr_enable(intel_dp, crtc_state); - intel_dp_ycbcr_420_enable(intel_dp, crtc_state); - intel_edp_drrs_enable(intel_dp, crtc_state); - if (crtc_state->has_audio) - intel_audio_codec_enable(encoder, crtc_state, conn_state); + if (!dig_port->lspcon.active || dig_port->dp.has_hdmi_sink) + intel_dp_set_infoframes(encoder, true, crtc_state, conn_state); + + intel_audio_codec_enable(encoder, crtc_state, conn_state); + + trans_port_sync_stop_link_train(state, encoder, crtc_state); } static i915_reg_t gen9_chicken_trans_reg_by_port(struct drm_i915_private *dev_priv, enum port port) { - static const i915_reg_t regs[] = { - [PORT_A] = CHICKEN_TRANS_EDP, - [PORT_B] = CHICKEN_TRANS_A, - [PORT_C] = CHICKEN_TRANS_B, - [PORT_D] = CHICKEN_TRANS_C, - [PORT_E] = CHICKEN_TRANS_A, + static const enum transcoder trans[] = { + [PORT_A] = TRANSCODER_EDP, + [PORT_B] = TRANSCODER_A, + [PORT_C] = TRANSCODER_B, + [PORT_D] = TRANSCODER_C, + [PORT_E] = TRANSCODER_A, }; - WARN_ON(INTEL_GEN(dev_priv) < 9); + drm_WARN_ON(&dev_priv->drm, DISPLAY_VER(dev_priv) < 9); - if (WARN_ON(port < PORT_A || port > PORT_E)) + if (drm_WARN_ON(&dev_priv->drm, port < PORT_A || port > PORT_E)) port = PORT_A; - return regs[port]; + return CHICKEN_TRANS(trans[port]); } -static void intel_enable_ddi_hdmi(struct intel_encoder *encoder, +static void intel_enable_ddi_hdmi(struct intel_atomic_state *state, + struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); struct drm_connector *connector = conn_state->connector; enum port port = encoder->port; if (!intel_hdmi_handle_sink_scrambling(encoder, connector, crtc_state->hdmi_high_tmds_clock_ratio, crtc_state->hdmi_scrambling)) - DRM_ERROR("[CONNECTOR:%d:%s] Failed to configure sink scrambling/TMDS bit clock ratio\n", - connector->base.id, connector->name); + drm_dbg_kms(&dev_priv->drm, + "[CONNECTOR:%d:%s] Failed to configure sink scrambling/TMDS bit clock ratio\n", + connector->base.id, connector->name); + + if (has_buf_trans_select(dev_priv)) + hsw_prepare_hdmi_ddi_buffers(encoder, crtc_state); + + encoder->set_signal_levels(encoder, crtc_state); /* Display WA #1143: skl,kbl,cfl */ - if (IS_GEN9_BC(dev_priv)) { + if (DISPLAY_VER(dev_priv) == 9 && !IS_BROXTON(dev_priv)) { /* * For some reason these chicken bits have been * stuffed into a transcoder register, event though @@ -3464,7 +2878,7 @@ static void intel_enable_ddi_hdmi(struct intel_encoder *encoder, i915_reg_t reg = gen9_chicken_trans_reg_by_port(dev_priv, port); u32 val; - val = I915_READ(reg); + val = intel_de_read(dev_priv, reg); if (port == PORT_E) val |= DDIE_TRAINING_OVERRIDE_ENABLE | @@ -3473,8 +2887,8 @@ static void intel_enable_ddi_hdmi(struct intel_encoder *encoder, val |= DDI_TRAINING_OVERRIDE_ENABLE | DDI_TRAINING_OVERRIDE_VALUE; - I915_WRITE(reg, val); - POSTING_READ(reg); + intel_de_write(dev_priv, reg, val); + intel_de_posting_read(dev_priv, reg); udelay(1); @@ -3485,228 +2899,321 @@ static void intel_enable_ddi_hdmi(struct intel_encoder *encoder, val &= ~(DDI_TRAINING_OVERRIDE_ENABLE | DDI_TRAINING_OVERRIDE_VALUE); - I915_WRITE(reg, val); + intel_de_write(dev_priv, reg, val); } + intel_ddi_power_up_lanes(encoder, crtc_state); + /* In HDMI/DVI mode, the port width, and swing/emphasis values * are ignored so nothing special needs to be done besides * enabling the port. + * + * On ADL_P the PHY link rate and lane count must be programmed but + * these are both 0 for HDMI. */ - I915_WRITE(DDI_BUF_CTL(port), - dig_port->saved_port_bits | DDI_BUF_CTL_ENABLE); + intel_de_write(dev_priv, DDI_BUF_CTL(port), + dig_port->saved_port_bits | DDI_BUF_CTL_ENABLE); - if (crtc_state->has_audio) - intel_audio_codec_enable(encoder, crtc_state, conn_state); + intel_audio_codec_enable(encoder, crtc_state, conn_state); } -static void intel_enable_ddi(struct intel_encoder *encoder, +static void intel_enable_ddi(struct intel_atomic_state *state, + struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state) { + drm_WARN_ON(state->base.dev, crtc_state->has_pch_encoder); + + if (!intel_crtc_is_bigjoiner_slave(crtc_state)) + intel_ddi_enable_transcoder_func(encoder, crtc_state); + + intel_vrr_enable(encoder, crtc_state); + + intel_enable_transcoder(crtc_state); + + intel_crtc_vblank_on(crtc_state); + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) - intel_enable_ddi_hdmi(encoder, crtc_state, conn_state); + intel_enable_ddi_hdmi(state, encoder, crtc_state, conn_state); else - intel_enable_ddi_dp(encoder, crtc_state, conn_state); + intel_enable_ddi_dp(state, encoder, crtc_state, conn_state); /* Enable hdcp if it's desired */ if (conn_state->content_protection == DRM_MODE_CONTENT_PROTECTION_DESIRED) - intel_hdcp_enable(to_intel_connector(conn_state->connector)); + intel_hdcp_enable(to_intel_connector(conn_state->connector), + crtc_state, + (u8)conn_state->hdcp_content_type); } -static void intel_disable_ddi_dp(struct intel_encoder *encoder, +static void intel_disable_ddi_dp(struct intel_atomic_state *state, + struct intel_encoder *encoder, const struct intel_crtc_state *old_crtc_state, const struct drm_connector_state *old_conn_state) { - struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); intel_dp->link_trained = false; - if (old_crtc_state->has_audio) - intel_audio_codec_disable(encoder, - old_crtc_state, old_conn_state); + intel_audio_codec_disable(encoder, old_crtc_state, old_conn_state); - intel_edp_drrs_disable(intel_dp, old_crtc_state); intel_psr_disable(intel_dp, old_crtc_state); intel_edp_backlight_off(old_conn_state); /* Disable the decompression in DP Sink */ intel_dp_sink_set_decompression_state(intel_dp, old_crtc_state, false); + /* Disable Ignore_MSA bit in DP Sink */ + intel_dp_sink_set_msa_timing_par_ignore_state(intel_dp, old_crtc_state, + false); } -static void intel_disable_ddi_hdmi(struct intel_encoder *encoder, +static void intel_disable_ddi_hdmi(struct intel_atomic_state *state, + struct intel_encoder *encoder, const struct intel_crtc_state *old_crtc_state, const struct drm_connector_state *old_conn_state) { + struct drm_i915_private *i915 = to_i915(encoder->base.dev); struct drm_connector *connector = old_conn_state->connector; - if (old_crtc_state->has_audio) - intel_audio_codec_disable(encoder, - old_crtc_state, old_conn_state); + intel_audio_codec_disable(encoder, old_crtc_state, old_conn_state); if (!intel_hdmi_handle_sink_scrambling(encoder, connector, false, false)) - DRM_DEBUG_KMS("[CONNECTOR:%d:%s] Failed to reset sink scrambling/TMDS bit clock ratio\n", - connector->base.id, connector->name); + drm_dbg_kms(&i915->drm, + "[CONNECTOR:%d:%s] Failed to reset sink scrambling/TMDS bit clock ratio\n", + connector->base.id, connector->name); } -static void intel_disable_ddi(struct intel_encoder *encoder, +static void intel_disable_ddi(struct intel_atomic_state *state, + struct intel_encoder *encoder, const struct intel_crtc_state *old_crtc_state, const struct drm_connector_state *old_conn_state) { intel_hdcp_disable(to_intel_connector(old_conn_state->connector)); if (intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_HDMI)) - intel_disable_ddi_hdmi(encoder, old_crtc_state, old_conn_state); + intel_disable_ddi_hdmi(state, encoder, old_crtc_state, + old_conn_state); else - intel_disable_ddi_dp(encoder, old_crtc_state, old_conn_state); + intel_disable_ddi_dp(state, encoder, old_crtc_state, + old_conn_state); } -static void intel_ddi_update_pipe_dp(struct intel_encoder *encoder, +static void intel_ddi_update_pipe_dp(struct intel_atomic_state *state, + struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state) { - struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); - - intel_ddi_set_pipe_settings(crtc_state); + intel_ddi_set_dp_msa(crtc_state, conn_state); - intel_psr_update(intel_dp, crtc_state); - intel_edp_drrs_enable(intel_dp, crtc_state); + intel_dp_set_infoframes(encoder, true, crtc_state, conn_state); - intel_panel_update_backlight(encoder, crtc_state, conn_state); + intel_backlight_update(state, encoder, crtc_state, conn_state); + drm_connector_update_privacy_screen(conn_state); } -static void intel_ddi_update_pipe(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state) +void intel_ddi_update_pipe(struct intel_atomic_state *state, + struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) { - if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) - intel_ddi_update_pipe_dp(encoder, crtc_state, conn_state); - if (conn_state->content_protection == - DRM_MODE_CONTENT_PROTECTION_DESIRED) - intel_hdcp_enable(to_intel_connector(conn_state->connector)); - else if (conn_state->content_protection == - DRM_MODE_CONTENT_PROTECTION_UNDESIRED) - intel_hdcp_disable(to_intel_connector(conn_state->connector)); + if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI) && + !intel_encoder_is_mst(encoder)) + intel_ddi_update_pipe_dp(state, encoder, crtc_state, + conn_state); + + intel_hdcp_update_pipe(state, encoder, crtc_state, conn_state); } -static void intel_ddi_set_fia_lane_count(struct intel_encoder *encoder, - const struct intel_crtc_state *pipe_config, - enum port port) +static void +intel_ddi_update_prepare(struct intel_atomic_state *state, + struct intel_encoder *encoder, + struct intel_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); - enum tc_port tc_port = intel_port_to_tc(dev_priv, port); - u32 val = I915_READ(PORT_TX_DFLEXDPMLE1); - bool lane_reversal = dig_port->saved_port_bits & DDI_BUF_PORT_REVERSAL; - - val &= ~DFLEXDPMLE1_DPMLETC_MASK(tc_port); - switch (pipe_config->lane_count) { - case 1: - val |= (lane_reversal) ? DFLEXDPMLE1_DPMLETC_ML3(tc_port) : - DFLEXDPMLE1_DPMLETC_ML0(tc_port); - break; - case 2: - val |= (lane_reversal) ? DFLEXDPMLE1_DPMLETC_ML3_2(tc_port) : - DFLEXDPMLE1_DPMLETC_ML1_0(tc_port); - break; - case 4: - val |= DFLEXDPMLE1_DPMLETC_ML3_0(tc_port); - break; - default: - MISSING_CASE(pipe_config->lane_count); + struct drm_i915_private *i915 = to_i915(state->base.dev); + struct intel_crtc_state *crtc_state = + crtc ? intel_atomic_get_new_crtc_state(state, crtc) : NULL; + int required_lanes = crtc_state ? crtc_state->lane_count : 1; + + drm_WARN_ON(state->base.dev, crtc && crtc->active); + + intel_tc_port_get_link(enc_to_dig_port(encoder), + required_lanes); + if (crtc_state && crtc_state->hw.active) { + struct intel_crtc *slave_crtc; + + intel_update_active_dpll(state, crtc, encoder); + + for_each_intel_crtc_in_pipe_mask(&i915->drm, slave_crtc, + intel_crtc_bigjoiner_slave_pipes(crtc_state)) + intel_update_active_dpll(state, slave_crtc, encoder); } - I915_WRITE(PORT_TX_DFLEXDPMLE1, val); } static void -intel_ddi_pre_pll_enable(struct intel_encoder *encoder, +intel_ddi_update_complete(struct intel_atomic_state *state, + struct intel_encoder *encoder, + struct intel_crtc *crtc) +{ + intel_tc_port_put_link(enc_to_dig_port(encoder)); +} + +static void +intel_ddi_pre_pll_enable(struct intel_atomic_state *state, + struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); - enum port port = encoder->port; + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); + enum phy phy = intel_port_to_phy(dev_priv, encoder->port); + bool is_tc_port = intel_phy_is_tc(dev_priv, phy); - if (intel_crtc_has_dp_encoder(crtc_state) || - intel_port_is_tc(dev_priv, encoder->port)) - intel_display_power_get(dev_priv, - intel_ddi_main_link_aux_domain(dig_port)); + if (is_tc_port) + intel_tc_port_get_link(dig_port, crtc_state->lane_count); + + if (intel_crtc_has_dp_encoder(crtc_state) || is_tc_port) { + drm_WARN_ON(&dev_priv->drm, dig_port->aux_wakeref); + dig_port->aux_wakeref = + intel_display_power_get(dev_priv, + intel_ddi_main_link_aux_domain(dig_port)); + } - if (IS_GEN9_LP(dev_priv)) + if (is_tc_port && !intel_tc_port_in_tbt_alt_mode(dig_port)) + /* + * Program the lane count for static/dynamic connections on + * Type-C ports. Skip this step for TBT. + */ + intel_tc_port_set_fia_lane_count(dig_port, crtc_state->lane_count); + else if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) bxt_ddi_phy_set_lane_optim_mask(encoder, crtc_state->lane_lat_optim_mask); - - /* - * Program the lane count for static/dynamic connections on Type-C ports. - * Skip this step for TBT. - */ - if (dig_port->tc_type == TC_PORT_UNKNOWN || - dig_port->tc_type == TC_PORT_TBT) - return; - - intel_ddi_set_fia_lane_count(encoder, crtc_state, port); } -static void -intel_ddi_post_pll_disable(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state) +static void adlp_tbt_to_dp_alt_switch_wa(struct intel_encoder *encoder) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum tc_port tc_port = intel_port_to_tc(i915, encoder->port); + int ln; - if (intel_crtc_has_dp_encoder(crtc_state) || - intel_port_is_tc(dev_priv, encoder->port)) - intel_display_power_put_unchecked(dev_priv, - intel_ddi_main_link_aux_domain(dig_port)); + for (ln = 0; ln < 2; ln++) { + intel_de_write(i915, HIP_INDEX_REG(tc_port), HIP_INDEX_VAL(tc_port, ln)); + intel_de_rmw(i915, DKL_PCS_DW5(tc_port), DKL_PCS_DW5_CORE_SOFTRESET, 0); + } } -static void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp) +static void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state) { - struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp); - struct drm_i915_private *dev_priv = - to_i915(intel_dig_port->base.base.dev); - enum port port = intel_dig_port->base.port; - u32 val; + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + struct intel_encoder *encoder = &dig_port->base; + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + enum port port = encoder->port; + u32 dp_tp_ctl, ddi_buf_ctl; bool wait = false; - if (I915_READ(DP_TP_CTL(port)) & DP_TP_CTL_ENABLE) { - val = I915_READ(DDI_BUF_CTL(port)); - if (val & DDI_BUF_CTL_ENABLE) { - val &= ~DDI_BUF_CTL_ENABLE; - I915_WRITE(DDI_BUF_CTL(port), val); + dp_tp_ctl = intel_de_read(dev_priv, dp_tp_ctl_reg(encoder, crtc_state)); + + if (dp_tp_ctl & DP_TP_CTL_ENABLE) { + ddi_buf_ctl = intel_de_read(dev_priv, DDI_BUF_CTL(port)); + if (ddi_buf_ctl & DDI_BUF_CTL_ENABLE) { + intel_de_write(dev_priv, DDI_BUF_CTL(port), + ddi_buf_ctl & ~DDI_BUF_CTL_ENABLE); wait = true; } - val = I915_READ(DP_TP_CTL(port)); - val &= ~(DP_TP_CTL_ENABLE | DP_TP_CTL_LINK_TRAIN_MASK); - val |= DP_TP_CTL_LINK_TRAIN_PAT1; - I915_WRITE(DP_TP_CTL(port), val); - POSTING_READ(DP_TP_CTL(port)); + dp_tp_ctl &= ~(DP_TP_CTL_ENABLE | DP_TP_CTL_LINK_TRAIN_MASK); + dp_tp_ctl |= DP_TP_CTL_LINK_TRAIN_PAT1; + intel_de_write(dev_priv, dp_tp_ctl_reg(encoder, crtc_state), dp_tp_ctl); + intel_de_posting_read(dev_priv, dp_tp_ctl_reg(encoder, crtc_state)); if (wait) intel_wait_ddi_buf_idle(dev_priv, port); } - val = DP_TP_CTL_ENABLE | - DP_TP_CTL_LINK_TRAIN_PAT1 | DP_TP_CTL_SCRAMBLE_DISABLE; - if (intel_dp->link_mst) - val |= DP_TP_CTL_MODE_MST; - else { - val |= DP_TP_CTL_MODE_SST; + dp_tp_ctl = DP_TP_CTL_ENABLE | DP_TP_CTL_LINK_TRAIN_PAT1; + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST)) { + dp_tp_ctl |= DP_TP_CTL_MODE_MST; + } else { + dp_tp_ctl |= DP_TP_CTL_MODE_SST; if (drm_dp_enhanced_frame_cap(intel_dp->dpcd)) - val |= DP_TP_CTL_ENHANCED_FRAME_ENABLE; + dp_tp_ctl |= DP_TP_CTL_ENHANCED_FRAME_ENABLE; } - I915_WRITE(DP_TP_CTL(port), val); - POSTING_READ(DP_TP_CTL(port)); + intel_de_write(dev_priv, dp_tp_ctl_reg(encoder, crtc_state), dp_tp_ctl); + intel_de_posting_read(dev_priv, dp_tp_ctl_reg(encoder, crtc_state)); + + if (IS_ALDERLAKE_P(dev_priv) && + (intel_tc_port_in_dp_alt_mode(dig_port) || intel_tc_port_in_legacy_mode(dig_port))) + adlp_tbt_to_dp_alt_switch_wa(encoder); intel_dp->DP |= DDI_BUF_CTL_ENABLE; - I915_WRITE(DDI_BUF_CTL(port), intel_dp->DP); - POSTING_READ(DDI_BUF_CTL(port)); + intel_de_write(dev_priv, DDI_BUF_CTL(port), intel_dp->DP); + intel_de_posting_read(dev_priv, DDI_BUF_CTL(port)); - udelay(600); + intel_wait_ddi_buf_active(dev_priv, port); +} + +static void intel_ddi_set_link_train(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state, + u8 dp_train_pat) +{ + struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + u32 temp; + + temp = intel_de_read(dev_priv, dp_tp_ctl_reg(encoder, crtc_state)); + + temp &= ~DP_TP_CTL_LINK_TRAIN_MASK; + switch (intel_dp_training_pattern_symbol(dp_train_pat)) { + case DP_TRAINING_PATTERN_DISABLE: + temp |= DP_TP_CTL_LINK_TRAIN_NORMAL; + break; + case DP_TRAINING_PATTERN_1: + temp |= DP_TP_CTL_LINK_TRAIN_PAT1; + break; + case DP_TRAINING_PATTERN_2: + temp |= DP_TP_CTL_LINK_TRAIN_PAT2; + break; + case DP_TRAINING_PATTERN_3: + temp |= DP_TP_CTL_LINK_TRAIN_PAT3; + break; + case DP_TRAINING_PATTERN_4: + temp |= DP_TP_CTL_LINK_TRAIN_PAT4; + break; + } + + intel_de_write(dev_priv, dp_tp_ctl_reg(encoder, crtc_state), temp); +} + +static void intel_ddi_set_idle_link_train(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state) +{ + struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + enum port port = encoder->port; + u32 val; + + val = intel_de_read(dev_priv, dp_tp_ctl_reg(encoder, crtc_state)); + val &= ~DP_TP_CTL_LINK_TRAIN_MASK; + val |= DP_TP_CTL_LINK_TRAIN_IDLE; + intel_de_write(dev_priv, dp_tp_ctl_reg(encoder, crtc_state), val); + + /* + * Until TGL on PORT_A we can have only eDP in SST mode. There the only + * reason we need to set idle transmission mode is to work around a HW + * issue where we enable the pipe while not in idle link-training mode. + * In this case there is requirement to wait for a minimum number of + * idle patterns to be sent. + */ + if (port == PORT_A && DISPLAY_VER(dev_priv) < 12) + return; + + if (intel_de_wait_for_set(dev_priv, + dp_tp_status_reg(encoder, crtc_state), + DP_TP_STATUS_IDLE_DONE, 1)) + drm_err(&dev_priv->drm, + "Timed out waiting for DP idle patterns\n"); } static bool intel_ddi_is_audio_enabled(struct drm_i915_private *dev_priv, @@ -3715,36 +3222,94 @@ static bool intel_ddi_is_audio_enabled(struct drm_i915_private *dev_priv, if (cpu_transcoder == TRANSCODER_EDP) return false; - if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_AUDIO)) + if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_AUDIO_MMIO)) return false; - return I915_READ(HSW_AUD_PIN_ELD_CP_VLD) & + return intel_de_read(dev_priv, HSW_AUD_PIN_ELD_CP_VLD) & AUDIO_OUTPUT_ENABLE(cpu_transcoder); } void intel_ddi_compute_min_voltage_level(struct drm_i915_private *dev_priv, struct intel_crtc_state *crtc_state) { - if (INTEL_GEN(dev_priv) >= 11 && crtc_state->port_clock > 594000) - crtc_state->min_voltage_level = 1; - else if (IS_CANNONLAKE(dev_priv) && crtc_state->port_clock > 594000) + if (DISPLAY_VER(dev_priv) >= 12 && crtc_state->port_clock > 594000) crtc_state->min_voltage_level = 2; + else if (IS_JSL_EHL(dev_priv) && crtc_state->port_clock > 594000) + crtc_state->min_voltage_level = 3; + else if (DISPLAY_VER(dev_priv) >= 11 && crtc_state->port_clock > 594000) + crtc_state->min_voltage_level = 1; +} + +static enum transcoder bdw_transcoder_master_readout(struct drm_i915_private *dev_priv, + enum transcoder cpu_transcoder) +{ + u32 master_select; + + if (DISPLAY_VER(dev_priv) >= 11) { + u32 ctl2 = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL2(cpu_transcoder)); + + if ((ctl2 & PORT_SYNC_MODE_ENABLE) == 0) + return INVALID_TRANSCODER; + + master_select = REG_FIELD_GET(PORT_SYNC_MODE_MASTER_SELECT_MASK, ctl2); + } else { + u32 ctl = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder)); + + if ((ctl & TRANS_DDI_PORT_SYNC_ENABLE) == 0) + return INVALID_TRANSCODER; + + master_select = REG_FIELD_GET(TRANS_DDI_PORT_SYNC_MASTER_SELECT_MASK, ctl); + } + + if (master_select == 0) + return TRANSCODER_EDP; + else + return master_select - 1; +} + +static void bdw_get_trans_port_sync_config(struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev); + u32 transcoders = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | + BIT(TRANSCODER_C) | BIT(TRANSCODER_D); + enum transcoder cpu_transcoder; + + crtc_state->master_transcoder = + bdw_transcoder_master_readout(dev_priv, crtc_state->cpu_transcoder); + + for_each_cpu_transcoder_masked(dev_priv, cpu_transcoder, transcoders) { + enum intel_display_power_domain power_domain; + intel_wakeref_t trans_wakeref; + + power_domain = POWER_DOMAIN_TRANSCODER(cpu_transcoder); + trans_wakeref = intel_display_power_get_if_enabled(dev_priv, + power_domain); + + if (!trans_wakeref) + continue; + + if (bdw_transcoder_master_readout(dev_priv, cpu_transcoder) == + crtc_state->cpu_transcoder) + crtc_state->sync_mode_slaves_mask |= BIT(cpu_transcoder); + + intel_display_power_put(dev_priv, power_domain, trans_wakeref); + } + + drm_WARN_ON(&dev_priv->drm, + crtc_state->master_transcoder != INVALID_TRANSCODER && + crtc_state->sync_mode_slaves_mask); } -void intel_ddi_get_config(struct intel_encoder *encoder, - struct intel_crtc_state *pipe_config) +static void intel_ddi_read_func_ctl(struct intel_encoder *encoder, + struct intel_crtc_state *pipe_config) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_crtc *intel_crtc = to_intel_crtc(pipe_config->base.crtc); + struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc); enum transcoder cpu_transcoder = pipe_config->cpu_transcoder; - struct intel_digital_port *intel_dig_port; + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); u32 temp, flags = 0; - /* XXX: DSI transcoder paranoia */ - if (WARN_ON(transcoder_is_dsi(cpu_transcoder))) - return; - - temp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder)); + temp = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder)); if (temp & TRANS_DDI_PHSYNC) flags |= DRM_MODE_FLAG_PHSYNC; else @@ -3754,7 +3319,7 @@ void intel_ddi_get_config(struct intel_encoder *encoder, else flags |= DRM_MODE_FLAG_NVSYNC; - pipe_config->base.adjusted_mode.flags |= flags; + pipe_config->hw.adjusted_mode.flags |= flags; switch (temp & TRANS_DDI_BPC_MASK) { case TRANS_DDI_BPC_6: @@ -3776,7 +3341,6 @@ void intel_ddi_get_config(struct intel_encoder *encoder, switch (temp & TRANS_DDI_MODE_SELECT_MASK) { case TRANS_DDI_MODE_SELECT_HDMI: pipe_config->has_hdmi_sink = true; - intel_dig_port = enc_to_dig_port(&encoder->base); pipe_config->infoframes.enable |= intel_hdmi_infoframes_enabled(encoder, pipe_config); @@ -3788,14 +3352,11 @@ void intel_ddi_get_config(struct intel_encoder *encoder, pipe_config->hdmi_scrambling = true; if (temp & TRANS_DDI_HIGH_TMDS_CHAR_RATE) pipe_config->hdmi_high_tmds_clock_ratio = true; - /* fall through */ + fallthrough; case TRANS_DDI_MODE_SELECT_DVI: pipe_config->output_types |= BIT(INTEL_OUTPUT_HDMI); pipe_config->lane_count = 4; break; - case TRANS_DDI_MODE_SELECT_FDI: - pipe_config->output_types |= BIT(INTEL_OUTPUT_ANALOG); - break; case TRANS_DDI_MODE_SELECT_DP_SST: if (encoder->type == INTEL_OUTPUT_EDP) pipe_config->output_types |= BIT(INTEL_OUTPUT_EDP); @@ -3803,17 +3364,71 @@ void intel_ddi_get_config(struct intel_encoder *encoder, pipe_config->output_types |= BIT(INTEL_OUTPUT_DP); pipe_config->lane_count = ((temp & DDI_PORT_WIDTH_MASK) >> DDI_PORT_WIDTH_SHIFT) + 1; - intel_dp_get_m_n(intel_crtc, pipe_config); + + intel_cpu_transcoder_get_m1_n1(crtc, cpu_transcoder, + &pipe_config->dp_m_n); + intel_cpu_transcoder_get_m2_n2(crtc, cpu_transcoder, + &pipe_config->dp_m2_n2); + + if (DISPLAY_VER(dev_priv) >= 11) { + i915_reg_t dp_tp_ctl = dp_tp_ctl_reg(encoder, pipe_config); + + pipe_config->fec_enable = + intel_de_read(dev_priv, dp_tp_ctl) & DP_TP_CTL_FEC_ENABLE; + + drm_dbg_kms(&dev_priv->drm, + "[ENCODER:%d:%s] Fec status: %u\n", + encoder->base.base.id, encoder->base.name, + pipe_config->fec_enable); + } + + if (dig_port->lspcon.active && dig_port->dp.has_hdmi_sink) + pipe_config->infoframes.enable |= + intel_lspcon_infoframes_enabled(encoder, pipe_config); + else + pipe_config->infoframes.enable |= + intel_hdmi_infoframes_enabled(encoder, pipe_config); break; + case TRANS_DDI_MODE_SELECT_FDI_OR_128B132B: + if (!HAS_DP20(dev_priv)) { + /* FDI */ + pipe_config->output_types |= BIT(INTEL_OUTPUT_ANALOG); + break; + } + fallthrough; /* 128b/132b */ case TRANS_DDI_MODE_SELECT_DP_MST: pipe_config->output_types |= BIT(INTEL_OUTPUT_DP_MST); pipe_config->lane_count = ((temp & DDI_PORT_WIDTH_MASK) >> DDI_PORT_WIDTH_SHIFT) + 1; - intel_dp_get_m_n(intel_crtc, pipe_config); + + if (DISPLAY_VER(dev_priv) >= 12) + pipe_config->mst_master_transcoder = + REG_FIELD_GET(TRANS_DDI_MST_TRANSPORT_SELECT_MASK, temp); + + intel_cpu_transcoder_get_m1_n1(crtc, cpu_transcoder, + &pipe_config->dp_m_n); + + pipe_config->infoframes.enable |= + intel_hdmi_infoframes_enabled(encoder, pipe_config); break; default: break; } +} + +static void intel_ddi_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *pipe_config) +{ + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + enum transcoder cpu_transcoder = pipe_config->cpu_transcoder; + + /* XXX: DSI transcoder paranoia */ + if (drm_WARN_ON(&dev_priv->drm, transcoder_is_dsi(cpu_transcoder))) + return; + + intel_ddi_read_func_ctl(encoder, pipe_config); + + intel_ddi_mso_get_config(encoder, pipe_config); pipe_config->has_audio = intel_ddi_is_audio_enabled(dev_priv, cpu_transcoder); @@ -3833,14 +3448,15 @@ void intel_ddi_get_config(struct intel_encoder *encoder, * up by the BIOS, and thus we can't get the mode at module * load. */ - DRM_DEBUG_KMS("pipe has %d bpp for eDP panel, overriding BIOS-provided max %d bpp\n", - pipe_config->pipe_bpp, dev_priv->vbt.edp.bpp); + drm_dbg_kms(&dev_priv->drm, + "pipe has %d bpp for eDP panel, overriding BIOS-provided max %d bpp\n", + pipe_config->pipe_bpp, dev_priv->vbt.edp.bpp); dev_priv->vbt.edp.bpp = pipe_config->pipe_bpp; } - intel_ddi_clock_get(encoder, pipe_config); + ddi_dotclock_get(pipe_config); - if (IS_GEN9_LP(dev_priv)) + if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) pipe_config->lane_lat_optim_mask = bxt_ddi_phy_get_lane_lat_optim_mask(encoder); @@ -3860,6 +3476,155 @@ void intel_ddi_get_config(struct intel_encoder *encoder, intel_read_infoframe(encoder, pipe_config, HDMI_INFOFRAME_TYPE_DRM, &pipe_config->infoframes.drm); + + if (DISPLAY_VER(dev_priv) >= 8) + bdw_get_trans_port_sync_config(pipe_config); + + intel_read_dp_sdp(encoder, pipe_config, HDMI_PACKET_TYPE_GAMUT_METADATA); + intel_read_dp_sdp(encoder, pipe_config, DP_SDP_VSC); + + intel_psr_get_config(encoder, pipe_config); +} + +void intel_ddi_get_clock(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state, + struct intel_shared_dpll *pll) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum icl_port_dpll_id port_dpll_id = ICL_PORT_DPLL_DEFAULT; + struct icl_port_dpll *port_dpll = &crtc_state->icl_port_dplls[port_dpll_id]; + bool pll_active; + + if (drm_WARN_ON(&i915->drm, !pll)) + return; + + port_dpll->pll = pll; + pll_active = intel_dpll_get_hw_state(i915, pll, &port_dpll->hw_state); + drm_WARN_ON(&i915->drm, !pll_active); + + icl_set_active_port_dpll(crtc_state, port_dpll_id); + + crtc_state->port_clock = intel_dpll_get_freq(i915, crtc_state->shared_dpll, + &crtc_state->dpll_hw_state); +} + +static void dg2_ddi_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) +{ + intel_mpllb_readout_hw_state(encoder, &crtc_state->mpllb_state); + crtc_state->port_clock = intel_mpllb_calc_port_clock(encoder, &crtc_state->mpllb_state); + + intel_ddi_get_config(encoder, crtc_state); +} + +static void adls_ddi_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) +{ + intel_ddi_get_clock(encoder, crtc_state, adls_ddi_get_pll(encoder)); + intel_ddi_get_config(encoder, crtc_state); +} + +static void rkl_ddi_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) +{ + intel_ddi_get_clock(encoder, crtc_state, rkl_ddi_get_pll(encoder)); + intel_ddi_get_config(encoder, crtc_state); +} + +static void dg1_ddi_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) +{ + intel_ddi_get_clock(encoder, crtc_state, dg1_ddi_get_pll(encoder)); + intel_ddi_get_config(encoder, crtc_state); +} + +static void icl_ddi_combo_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) +{ + intel_ddi_get_clock(encoder, crtc_state, icl_ddi_combo_get_pll(encoder)); + intel_ddi_get_config(encoder, crtc_state); +} + +static void icl_ddi_tc_get_clock(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state, + struct intel_shared_dpll *pll) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum icl_port_dpll_id port_dpll_id; + struct icl_port_dpll *port_dpll; + bool pll_active; + + if (drm_WARN_ON(&i915->drm, !pll)) + return; + + if (intel_get_shared_dpll_id(i915, pll) == DPLL_ID_ICL_TBTPLL) + port_dpll_id = ICL_PORT_DPLL_DEFAULT; + else + port_dpll_id = ICL_PORT_DPLL_MG_PHY; + + port_dpll = &crtc_state->icl_port_dplls[port_dpll_id]; + + port_dpll->pll = pll; + pll_active = intel_dpll_get_hw_state(i915, pll, &port_dpll->hw_state); + drm_WARN_ON(&i915->drm, !pll_active); + + icl_set_active_port_dpll(crtc_state, port_dpll_id); + + if (intel_get_shared_dpll_id(i915, crtc_state->shared_dpll) == DPLL_ID_ICL_TBTPLL) + crtc_state->port_clock = icl_calc_tbt_pll_link(i915, encoder->port); + else + crtc_state->port_clock = intel_dpll_get_freq(i915, crtc_state->shared_dpll, + &crtc_state->dpll_hw_state); +} + +static void icl_ddi_tc_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) +{ + icl_ddi_tc_get_clock(encoder, crtc_state, icl_ddi_tc_get_pll(encoder)); + intel_ddi_get_config(encoder, crtc_state); +} + +static void bxt_ddi_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) +{ + intel_ddi_get_clock(encoder, crtc_state, bxt_ddi_get_pll(encoder)); + intel_ddi_get_config(encoder, crtc_state); +} + +static void skl_ddi_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) +{ + intel_ddi_get_clock(encoder, crtc_state, skl_ddi_get_pll(encoder)); + intel_ddi_get_config(encoder, crtc_state); +} + +void hsw_ddi_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) +{ + intel_ddi_get_clock(encoder, crtc_state, hsw_ddi_get_pll(encoder)); + intel_ddi_get_config(encoder, crtc_state); +} + +static void intel_ddi_sync_state(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + enum phy phy = intel_port_to_phy(i915, encoder->port); + + if (intel_phy_is_tc(i915, phy)) + intel_tc_port_sanitize(enc_to_dig_port(encoder)); + + if (crtc_state && intel_crtc_has_dp_encoder(crtc_state)) + intel_dp_sync_state(encoder, crtc_state); +} + +static bool intel_ddi_initial_fastset_check(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) +{ + if (intel_crtc_has_dp_encoder(crtc_state)) + return intel_dp_initial_fastset_check(encoder, crtc_state); + + return true; } static enum intel_output_type @@ -3884,18 +3649,20 @@ static int intel_ddi_compute_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config, struct drm_connector_state *conn_state) { - struct intel_crtc *crtc = to_intel_crtc(pipe_config->base.crtc); + struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); enum port port = encoder->port; int ret; - if (HAS_TRANSCODER_EDP(dev_priv) && port == PORT_A) + if (HAS_TRANSCODER(dev_priv, TRANSCODER_EDP) && port == PORT_A) pipe_config->cpu_transcoder = TRANSCODER_EDP; - if (intel_crtc_has_type(pipe_config, INTEL_OUTPUT_HDMI)) + if (intel_crtc_has_type(pipe_config, INTEL_OUTPUT_HDMI)) { ret = intel_hdmi_compute_config(encoder, pipe_config, conn_state); - else + } else { ret = intel_dp_compute_config(encoder, pipe_config, conn_state); + } + if (ret) return ret; @@ -3905,7 +3672,7 @@ static int intel_ddi_compute_config(struct intel_encoder *encoder, pipe_config->pch_pfit.enabled || pipe_config->crc_enabled; - if (IS_GEN9_LP(dev_priv)) + if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) pipe_config->lane_lat_optim_mask = bxt_ddi_phy_calc_lane_lat_optim_mask(pipe_config->lane_count); @@ -3914,71 +3681,183 @@ static int intel_ddi_compute_config(struct intel_encoder *encoder, return 0; } -static void intel_ddi_encoder_suspend(struct intel_encoder *encoder) +static bool mode_equal(const struct drm_display_mode *mode1, + const struct drm_display_mode *mode2) { - struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); - struct drm_i915_private *i915 = to_i915(encoder->base.dev); + return drm_mode_match(mode1, mode2, + DRM_MODE_MATCH_TIMINGS | + DRM_MODE_MATCH_FLAGS | + DRM_MODE_MATCH_3D_FLAGS) && + mode1->clock == mode2->clock; /* we want an exact match */ +} - intel_dp_encoder_suspend(encoder); +static bool m_n_equal(const struct intel_link_m_n *m_n_1, + const struct intel_link_m_n *m_n_2) +{ + return m_n_1->tu == m_n_2->tu && + m_n_1->data_m == m_n_2->data_m && + m_n_1->data_n == m_n_2->data_n && + m_n_1->link_m == m_n_2->link_m && + m_n_1->link_n == m_n_2->link_n; +} + +static bool crtcs_port_sync_compatible(const struct intel_crtc_state *crtc_state1, + const struct intel_crtc_state *crtc_state2) +{ + return crtc_state1->hw.active && crtc_state2->hw.active && + crtc_state1->output_types == crtc_state2->output_types && + crtc_state1->output_format == crtc_state2->output_format && + crtc_state1->lane_count == crtc_state2->lane_count && + crtc_state1->port_clock == crtc_state2->port_clock && + mode_equal(&crtc_state1->hw.adjusted_mode, + &crtc_state2->hw.adjusted_mode) && + m_n_equal(&crtc_state1->dp_m_n, &crtc_state2->dp_m_n); +} + +static u8 +intel_ddi_port_sync_transcoders(const struct intel_crtc_state *ref_crtc_state, + int tile_group_id) +{ + struct drm_connector *connector; + const struct drm_connector_state *conn_state; + struct drm_i915_private *dev_priv = to_i915(ref_crtc_state->uapi.crtc->dev); + struct intel_atomic_state *state = + to_intel_atomic_state(ref_crtc_state->uapi.state); + u8 transcoders = 0; + int i; /* - * TODO: disconnect also from USB DP alternate mode once we have a - * way to handle the modeset restore in that mode during resume - * even if the sink has disappeared while being suspended. + * We don't enable port sync on BDW due to missing w/as and + * due to not having adjusted the modeset sequence appropriately. */ - if (dig_port->tc_legacy_port) - icl_tc_phy_disconnect(i915, dig_port); + if (DISPLAY_VER(dev_priv) < 9) + return 0; + + if (!intel_crtc_has_type(ref_crtc_state, INTEL_OUTPUT_DP)) + return 0; + + for_each_new_connector_in_state(&state->base, connector, conn_state, i) { + struct intel_crtc *crtc = to_intel_crtc(conn_state->crtc); + const struct intel_crtc_state *crtc_state; + + if (!crtc) + continue; + + if (!connector->has_tile || + connector->tile_group->id != + tile_group_id) + continue; + crtc_state = intel_atomic_get_new_crtc_state(state, + crtc); + if (!crtcs_port_sync_compatible(ref_crtc_state, + crtc_state)) + continue; + transcoders |= BIT(crtc_state->cpu_transcoder); + } + + return transcoders; } -static void intel_ddi_encoder_reset(struct drm_encoder *drm_encoder) +static int intel_ddi_compute_config_late(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state, + struct drm_connector_state *conn_state) { - struct intel_digital_port *dig_port = enc_to_dig_port(drm_encoder); - struct drm_i915_private *i915 = to_i915(drm_encoder->dev); + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + struct drm_connector *connector = conn_state->connector; + u8 port_sync_transcoders = 0; - if (intel_port_is_tc(i915, dig_port->base.port)) - intel_digital_port_connected(&dig_port->base); + drm_dbg_kms(&i915->drm, "[ENCODER:%d:%s] [CRTC:%d:%s]", + encoder->base.base.id, encoder->base.name, + crtc_state->uapi.crtc->base.id, crtc_state->uapi.crtc->name); - intel_dp_encoder_reset(drm_encoder); + if (connector->has_tile) + port_sync_transcoders = intel_ddi_port_sync_transcoders(crtc_state, + connector->tile_group->id); + + /* + * EDP Transcoders cannot be ensalved + * make them a master always when present + */ + if (port_sync_transcoders & BIT(TRANSCODER_EDP)) + crtc_state->master_transcoder = TRANSCODER_EDP; + else + crtc_state->master_transcoder = ffs(port_sync_transcoders) - 1; + + if (crtc_state->master_transcoder == crtc_state->cpu_transcoder) { + crtc_state->master_transcoder = INVALID_TRANSCODER; + crtc_state->sync_mode_slaves_mask = + port_sync_transcoders & ~BIT(crtc_state->cpu_transcoder); + } + + return 0; } static void intel_ddi_encoder_destroy(struct drm_encoder *encoder) { - struct intel_digital_port *dig_port = enc_to_dig_port(encoder); struct drm_i915_private *i915 = to_i915(encoder->dev); + struct intel_digital_port *dig_port = enc_to_dig_port(to_intel_encoder(encoder)); + enum phy phy = intel_port_to_phy(i915, dig_port->base.port); intel_dp_encoder_flush_work(encoder); - - if (intel_port_is_tc(i915, dig_port->base.port)) - icl_tc_phy_disconnect(i915, dig_port); + if (intel_phy_is_tc(i915, phy)) + intel_tc_port_flush_work(dig_port); + intel_display_power_flush_work(i915); drm_encoder_cleanup(encoder); + kfree(dig_port->hdcp_port_data.streams); kfree(dig_port); } +static void intel_ddi_encoder_reset(struct drm_encoder *encoder) +{ + struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(encoder)); + + intel_dp->reset_link_params = true; + + intel_pps_encoder_reset(intel_dp); +} + static const struct drm_encoder_funcs intel_ddi_funcs = { .reset = intel_ddi_encoder_reset, .destroy = intel_ddi_encoder_destroy, }; static struct intel_connector * -intel_ddi_init_dp_connector(struct intel_digital_port *intel_dig_port) +intel_ddi_init_dp_connector(struct intel_digital_port *dig_port) { struct intel_connector *connector; - enum port port = intel_dig_port->base.port; + enum port port = dig_port->base.port; connector = intel_connector_alloc(); if (!connector) return NULL; - intel_dig_port->dp.output_reg = DDI_BUF_CTL(port); - intel_dig_port->dp.prepare_link_retrain = - intel_ddi_prepare_link_retrain; + dig_port->dp.output_reg = DDI_BUF_CTL(port); + dig_port->dp.prepare_link_retrain = intel_ddi_prepare_link_retrain; + dig_port->dp.set_link_train = intel_ddi_set_link_train; + dig_port->dp.set_idle_link_train = intel_ddi_set_idle_link_train; - if (!intel_dp_init_connector(intel_dig_port, connector)) { + dig_port->dp.voltage_max = intel_ddi_dp_voltage_max; + dig_port->dp.preemph_max = intel_ddi_dp_preemph_max; + + if (!intel_dp_init_connector(dig_port, connector)) { kfree(connector); return NULL; } + if (dig_port->base.type == INTEL_OUTPUT_EDP) { + struct drm_device *dev = dig_port->base.base.dev; + struct drm_privacy_screen *privacy_screen; + + privacy_screen = drm_privacy_screen_get(dev->dev, NULL); + if (!IS_ERR(privacy_screen)) { + drm_connector_attach_privacy_screen_provider(&connector->base, + privacy_screen); + } else if (PTR_ERR(privacy_screen) != -ENODEV) { + drm_warn(dev, "Error getting privacy-screen\n"); + } + } + return connector; } @@ -4014,7 +3893,7 @@ static int intel_hdmi_reset_link(struct intel_encoder *encoder, struct drm_modeset_acquire_ctx *ctx) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_hdmi *hdmi = enc_to_intel_hdmi(&encoder->base); + struct intel_hdmi *hdmi = enc_to_intel_hdmi(encoder); struct intel_connector *connector = hdmi->attached_connector; struct i2c_adapter *adapter = intel_gmbus_get_adapter(dev_priv, hdmi->ddc_bus); @@ -4044,9 +3923,10 @@ static int intel_hdmi_reset_link(struct intel_encoder *encoder, crtc_state = to_intel_crtc_state(crtc->base.state); - WARN_ON(!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)); + drm_WARN_ON(&dev_priv->drm, + !intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)); - if (!crtc_state->base.active) + if (!crtc_state->hw.active) return 0; if (!crtc_state->hdmi_high_tmds_clock_ratio && @@ -4059,7 +3939,8 @@ static int intel_hdmi_reset_link(struct intel_encoder *encoder, ret = drm_scdc_readb(adapter, SCDC_TMDS_CONFIG, &config); if (ret < 0) { - DRM_ERROR("Failed to read TMDS config: %d\n", ret); + drm_err(&dev_priv->drm, "Failed to read TMDS config: %d\n", + ret); return 0; } @@ -4081,14 +3962,27 @@ static int intel_hdmi_reset_link(struct intel_encoder *encoder, return modeset_pipe(&crtc->base, ctx); } -static bool intel_ddi_hotplug(struct intel_encoder *encoder, - struct intel_connector *connector) +static enum intel_hotplug_state +intel_ddi_hotplug(struct intel_encoder *encoder, + struct intel_connector *connector) { + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); + struct intel_dp *intel_dp = &dig_port->dp; + enum phy phy = intel_port_to_phy(i915, encoder->port); + bool is_tc = intel_phy_is_tc(i915, phy); struct drm_modeset_acquire_ctx ctx; - bool changed; + enum intel_hotplug_state state; int ret; - changed = intel_encoder_hotplug(encoder, connector); + if (intel_dp->compliance.test_active && + intel_dp->compliance.test_type == DP_TEST_LINK_PHY_TEST_PATTERN) { + intel_dp_phy_test(encoder); + /* just do the PHY test and nothing else */ + return INTEL_HOTPLUG_UNCHANGED; + } + + state = intel_encoder_hotplug(encoder, connector); drm_modeset_acquire_init(&ctx, 0); @@ -4108,67 +4002,110 @@ static bool intel_ddi_hotplug(struct intel_encoder *encoder, drm_modeset_drop_locks(&ctx); drm_modeset_acquire_fini(&ctx); - WARN(ret, "Acquiring modeset locks failed with %i\n", ret); + drm_WARN(encoder->base.dev, ret, + "Acquiring modeset locks failed with %i\n", ret); - return changed; + /* + * Unpowered type-c dongles can take some time to boot and be + * responsible, so here giving some time to those dongles to power up + * and then retrying the probe. + * + * On many platforms the HDMI live state signal is known to be + * unreliable, so we can't use it to detect if a sink is connected or + * not. Instead we detect if it's connected based on whether we can + * read the EDID or not. That in turn has a problem during disconnect, + * since the HPD interrupt may be raised before the DDC lines get + * disconnected (due to how the required length of DDC vs. HPD + * connector pins are specified) and so we'll still be able to get a + * valid EDID. To solve this schedule another detection cycle if this + * time around we didn't detect any change in the sink's connection + * status. + * + * Type-c connectors which get their HPD signal deasserted then + * reasserted, without unplugging/replugging the sink from the + * connector, introduce a delay until the AUX channel communication + * becomes functional. Retry the detection for 5 seconds on type-c + * connectors to account for this delay. + */ + if (state == INTEL_HOTPLUG_UNCHANGED && + connector->hotplug_retries < (is_tc ? 5 : 1) && + !dig_port->dp.is_mst) + state = INTEL_HOTPLUG_RETRY; + + return state; +} + +static bool lpt_digital_port_connected(struct intel_encoder *encoder) +{ + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + u32 bit = dev_priv->hotplug.pch_hpd[encoder->hpd_pin]; + + return intel_de_read(dev_priv, SDEISR) & bit; +} + +static bool hsw_digital_port_connected(struct intel_encoder *encoder) +{ + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + u32 bit = dev_priv->hotplug.hpd[encoder->hpd_pin]; + + return intel_de_read(dev_priv, DEISR) & bit; +} + +static bool bdw_digital_port_connected(struct intel_encoder *encoder) +{ + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + u32 bit = dev_priv->hotplug.hpd[encoder->hpd_pin]; + + return intel_de_read(dev_priv, GEN8_DE_PORT_ISR) & bit; } static struct intel_connector * -intel_ddi_init_hdmi_connector(struct intel_digital_port *intel_dig_port) +intel_ddi_init_hdmi_connector(struct intel_digital_port *dig_port) { struct intel_connector *connector; - enum port port = intel_dig_port->base.port; + enum port port = dig_port->base.port; connector = intel_connector_alloc(); if (!connector) return NULL; - intel_dig_port->hdmi.hdmi_reg = DDI_BUF_CTL(port); - intel_hdmi_init_connector(intel_dig_port, connector); + dig_port->hdmi.hdmi_reg = DDI_BUF_CTL(port); + intel_hdmi_init_connector(dig_port, connector); return connector; } -static bool intel_ddi_a_force_4_lanes(struct intel_digital_port *dport) +static bool intel_ddi_a_force_4_lanes(struct intel_digital_port *dig_port) { - struct drm_i915_private *dev_priv = to_i915(dport->base.base.dev); + struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev); - if (dport->base.port != PORT_A) + if (dig_port->base.port != PORT_A) return false; - if (dport->saved_port_bits & DDI_A_4_LANES) + if (dig_port->saved_port_bits & DDI_A_4_LANES) return false; /* Broxton/Geminilake: Bspec says that DDI_A_4_LANES is the only * supported configuration */ - if (IS_GEN9_LP(dev_priv)) - return true; - - /* Cannonlake: Most of SKUs don't support DDI_E, and the only - * one who does also have a full A/E split called - * DDI_F what makes DDI_E useless. However for this - * case let's trust VBT info. - */ - if (IS_CANNONLAKE(dev_priv) && - !intel_bios_is_port_present(dev_priv, PORT_E)) + if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) return true; return false; } static int -intel_ddi_max_lanes(struct intel_digital_port *intel_dport) +intel_ddi_max_lanes(struct intel_digital_port *dig_port) { - struct drm_i915_private *dev_priv = to_i915(intel_dport->base.base.dev); - enum port port = intel_dport->base.port; + struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev); + enum port port = dig_port->base.port; int max_lanes = 4; - if (INTEL_GEN(dev_priv) >= 11) + if (DISPLAY_VER(dev_priv) >= 11) return max_lanes; if (port == PORT_A || port == PORT_E) { - if (I915_READ(DDI_BUF_CTL(PORT_A)) & DDI_A_4_LANES) + if (intel_de_read(dev_priv, DDI_BUF_CTL(PORT_A)) & DDI_A_4_LANES) max_lanes = port == PORT_A ? 4 : 0; else /* Both A and E share 2 lanes */ @@ -4180,27 +4117,167 @@ intel_ddi_max_lanes(struct intel_digital_port *intel_dport) * wasn't lit up at boot. Force this bit set when needed * so we use the proper lane count for our calculations. */ - if (intel_ddi_a_force_4_lanes(intel_dport)) { - DRM_DEBUG_KMS("Forcing DDI_A_4_LANES for port A\n"); - intel_dport->saved_port_bits |= DDI_A_4_LANES; + if (intel_ddi_a_force_4_lanes(dig_port)) { + drm_dbg_kms(&dev_priv->drm, + "Forcing DDI_A_4_LANES for port A\n"); + dig_port->saved_port_bits |= DDI_A_4_LANES; max_lanes = 4; } return max_lanes; } +static bool hti_uses_phy(struct drm_i915_private *i915, enum phy phy) +{ + return i915->hti_state & HDPORT_ENABLED && + i915->hti_state & HDPORT_DDI_USED(phy); +} + +static enum hpd_pin xelpd_hpd_pin(struct drm_i915_private *dev_priv, + enum port port) +{ + if (port >= PORT_D_XELPD) + return HPD_PORT_D + port - PORT_D_XELPD; + else if (port >= PORT_TC1) + return HPD_PORT_TC1 + port - PORT_TC1; + else + return HPD_PORT_A + port - PORT_A; +} + +static enum hpd_pin dg1_hpd_pin(struct drm_i915_private *dev_priv, + enum port port) +{ + if (port >= PORT_TC1) + return HPD_PORT_C + port - PORT_TC1; + else + return HPD_PORT_A + port - PORT_A; +} + +static enum hpd_pin tgl_hpd_pin(struct drm_i915_private *dev_priv, + enum port port) +{ + if (port >= PORT_TC1) + return HPD_PORT_TC1 + port - PORT_TC1; + else + return HPD_PORT_A + port - PORT_A; +} + +static enum hpd_pin rkl_hpd_pin(struct drm_i915_private *dev_priv, + enum port port) +{ + if (HAS_PCH_TGP(dev_priv)) + return tgl_hpd_pin(dev_priv, port); + + if (port >= PORT_TC1) + return HPD_PORT_C + port - PORT_TC1; + else + return HPD_PORT_A + port - PORT_A; +} + +static enum hpd_pin icl_hpd_pin(struct drm_i915_private *dev_priv, + enum port port) +{ + if (port >= PORT_C) + return HPD_PORT_TC1 + port - PORT_C; + else + return HPD_PORT_A + port - PORT_A; +} + +static enum hpd_pin ehl_hpd_pin(struct drm_i915_private *dev_priv, + enum port port) +{ + if (port == PORT_D) + return HPD_PORT_A; + + if (HAS_PCH_MCC(dev_priv)) + return icl_hpd_pin(dev_priv, port); + + return HPD_PORT_A + port - PORT_A; +} + +static enum hpd_pin skl_hpd_pin(struct drm_i915_private *dev_priv, enum port port) +{ + if (HAS_PCH_TGP(dev_priv)) + return icl_hpd_pin(dev_priv, port); + + return HPD_PORT_A + port - PORT_A; +} + +static bool intel_ddi_is_tc(struct drm_i915_private *i915, enum port port) +{ + if (DISPLAY_VER(i915) >= 12) + return port >= PORT_TC1; + else if (DISPLAY_VER(i915) >= 11) + return port >= PORT_C; + else + return false; +} + +static void intel_ddi_encoder_suspend(struct intel_encoder *encoder) +{ + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + struct drm_i915_private *i915 = dp_to_i915(intel_dp); + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + enum phy phy = intel_port_to_phy(i915, encoder->port); + + intel_dp_encoder_suspend(encoder); + + if (!intel_phy_is_tc(i915, phy)) + return; + + intel_tc_port_flush_work(dig_port); +} + +static void intel_ddi_encoder_shutdown(struct intel_encoder *encoder) +{ + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + struct drm_i915_private *i915 = dp_to_i915(intel_dp); + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + enum phy phy = intel_port_to_phy(i915, encoder->port); + + intel_dp_encoder_shutdown(encoder); + intel_hdmi_encoder_shutdown(encoder); + + if (!intel_phy_is_tc(i915, phy)) + return; + + intel_tc_port_flush_work(dig_port); +} + +#define port_tc_name(port) ((port) - PORT_TC1 + '1') +#define tc_port_name(tc_port) ((tc_port) - TC_PORT_1 + '1') + void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) { - struct ddi_vbt_port_info *port_info = - &dev_priv->vbt.ddi_port_info[port]; - struct intel_digital_port *intel_dig_port; - struct intel_encoder *intel_encoder; - struct drm_encoder *encoder; - bool init_hdmi, init_dp, init_lspcon = false; - enum pipe pipe; + struct intel_digital_port *dig_port; + struct intel_encoder *encoder; + const struct intel_bios_encoder_data *devdata; + bool init_hdmi, init_dp; + enum phy phy = intel_port_to_phy(dev_priv, port); + + /* + * On platforms with HTI (aka HDPORT), if it's enabled at boot it may + * have taken over some of the PHYs and made them unavailable to the + * driver. In that case we should skip initializing the corresponding + * outputs. + */ + if (hti_uses_phy(dev_priv, phy)) { + drm_dbg_kms(&dev_priv->drm, "PORT %c / PHY %c reserved by HTI\n", + port_name(port), phy_name(phy)); + return; + } + + devdata = intel_bios_encoder_data_lookup(dev_priv, port); + if (!devdata) { + drm_dbg_kms(&dev_priv->drm, + "VBT says port %c is not present\n", + port_name(port)); + return; + } - init_hdmi = port_info->supports_dvi || port_info->supports_hdmi; - init_dp = port_info->supports_dp; + init_hdmi = intel_bios_encoder_supports_dvi(devdata) || + intel_bios_encoder_supports_hdmi(devdata); + init_dp = intel_bios_encoder_supports_dp(devdata); if (intel_bios_is_lspcon_present(dev_priv, port)) { /* @@ -4209,127 +4286,255 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) * is initialized before lspcon. */ init_dp = true; - init_lspcon = true; init_hdmi = false; - DRM_DEBUG_KMS("VBT says port %c has lspcon\n", port_name(port)); + drm_dbg_kms(&dev_priv->drm, "VBT says port %c has lspcon\n", + port_name(port)); } if (!init_dp && !init_hdmi) { - DRM_DEBUG_KMS("VBT says port %c is not DVI/HDMI/DP compatible, respect it\n", - port_name(port)); + drm_dbg_kms(&dev_priv->drm, + "VBT says port %c is not DVI/HDMI/DP compatible, respect it\n", + port_name(port)); return; } - intel_dig_port = kzalloc(sizeof(*intel_dig_port), GFP_KERNEL); - if (!intel_dig_port) + if (intel_phy_is_snps(dev_priv, phy) && + dev_priv->snps_phy_failed_calibration & BIT(phy)) { + drm_dbg_kms(&dev_priv->drm, + "SNPS PHY %c failed to calibrate, proceeding anyway\n", + phy_name(phy)); + } + + dig_port = kzalloc(sizeof(*dig_port), GFP_KERNEL); + if (!dig_port) return; - intel_encoder = &intel_dig_port->base; - encoder = &intel_encoder->base; - - drm_encoder_init(&dev_priv->drm, encoder, &intel_ddi_funcs, - DRM_MODE_ENCODER_TMDS, "DDI %c", port_name(port)); - - intel_encoder->hotplug = intel_ddi_hotplug; - intel_encoder->compute_output_type = intel_ddi_compute_output_type; - intel_encoder->compute_config = intel_ddi_compute_config; - intel_encoder->enable = intel_enable_ddi; - intel_encoder->pre_pll_enable = intel_ddi_pre_pll_enable; - intel_encoder->post_pll_disable = intel_ddi_post_pll_disable; - intel_encoder->pre_enable = intel_ddi_pre_enable; - intel_encoder->disable = intel_disable_ddi; - intel_encoder->post_disable = intel_ddi_post_disable; - intel_encoder->update_pipe = intel_ddi_update_pipe; - intel_encoder->get_hw_state = intel_ddi_get_hw_state; - intel_encoder->get_config = intel_ddi_get_config; - intel_encoder->suspend = intel_ddi_encoder_suspend; - intel_encoder->get_power_domains = intel_ddi_get_power_domains; - intel_encoder->type = INTEL_OUTPUT_DDI; - intel_encoder->power_domain = intel_port_to_power_domain(port); - intel_encoder->port = port; - intel_encoder->cloneable = 0; - for_each_pipe(dev_priv, pipe) - intel_encoder->crtc_mask |= BIT(pipe); - - if (INTEL_GEN(dev_priv) >= 11) - intel_dig_port->saved_port_bits = I915_READ(DDI_BUF_CTL(port)) & - DDI_BUF_PORT_REVERSAL; + encoder = &dig_port->base; + encoder->devdata = devdata; + + if (DISPLAY_VER(dev_priv) >= 13 && port >= PORT_D_XELPD) { + drm_encoder_init(&dev_priv->drm, &encoder->base, &intel_ddi_funcs, + DRM_MODE_ENCODER_TMDS, + "DDI %c/PHY %c", + port_name(port - PORT_D_XELPD + PORT_D), + phy_name(phy)); + } else if (DISPLAY_VER(dev_priv) >= 12) { + enum tc_port tc_port = intel_port_to_tc(dev_priv, port); + + drm_encoder_init(&dev_priv->drm, &encoder->base, &intel_ddi_funcs, + DRM_MODE_ENCODER_TMDS, + "DDI %s%c/PHY %s%c", + port >= PORT_TC1 ? "TC" : "", + port >= PORT_TC1 ? port_tc_name(port) : port_name(port), + tc_port != TC_PORT_NONE ? "TC" : "", + tc_port != TC_PORT_NONE ? tc_port_name(tc_port) : phy_name(phy)); + } else if (DISPLAY_VER(dev_priv) >= 11) { + enum tc_port tc_port = intel_port_to_tc(dev_priv, port); + + drm_encoder_init(&dev_priv->drm, &encoder->base, &intel_ddi_funcs, + DRM_MODE_ENCODER_TMDS, + "DDI %c%s/PHY %s%c", + port_name(port), + port >= PORT_C ? " (TC)" : "", + tc_port != TC_PORT_NONE ? "TC" : "", + tc_port != TC_PORT_NONE ? tc_port_name(tc_port) : phy_name(phy)); + } else { + drm_encoder_init(&dev_priv->drm, &encoder->base, &intel_ddi_funcs, + DRM_MODE_ENCODER_TMDS, + "DDI %c/PHY %c", port_name(port), phy_name(phy)); + } + + mutex_init(&dig_port->hdcp_mutex); + dig_port->num_hdcp_streams = 0; + + encoder->hotplug = intel_ddi_hotplug; + encoder->compute_output_type = intel_ddi_compute_output_type; + encoder->compute_config = intel_ddi_compute_config; + encoder->compute_config_late = intel_ddi_compute_config_late; + encoder->enable = intel_enable_ddi; + encoder->pre_pll_enable = intel_ddi_pre_pll_enable; + encoder->pre_enable = intel_ddi_pre_enable; + encoder->disable = intel_disable_ddi; + encoder->post_disable = intel_ddi_post_disable; + encoder->update_pipe = intel_ddi_update_pipe; + encoder->get_hw_state = intel_ddi_get_hw_state; + encoder->sync_state = intel_ddi_sync_state; + encoder->initial_fastset_check = intel_ddi_initial_fastset_check; + encoder->suspend = intel_ddi_encoder_suspend; + encoder->shutdown = intel_ddi_encoder_shutdown; + encoder->get_power_domains = intel_ddi_get_power_domains; + + encoder->type = INTEL_OUTPUT_DDI; + encoder->power_domain = intel_display_power_ddi_lanes_domain(dev_priv, port); + encoder->port = port; + encoder->cloneable = 0; + encoder->pipe_mask = ~0; + + if (IS_DG2(dev_priv)) { + encoder->enable_clock = intel_mpllb_enable; + encoder->disable_clock = intel_mpllb_disable; + encoder->get_config = dg2_ddi_get_config; + } else if (IS_ALDERLAKE_S(dev_priv)) { + encoder->enable_clock = adls_ddi_enable_clock; + encoder->disable_clock = adls_ddi_disable_clock; + encoder->is_clock_enabled = adls_ddi_is_clock_enabled; + encoder->get_config = adls_ddi_get_config; + } else if (IS_ROCKETLAKE(dev_priv)) { + encoder->enable_clock = rkl_ddi_enable_clock; + encoder->disable_clock = rkl_ddi_disable_clock; + encoder->is_clock_enabled = rkl_ddi_is_clock_enabled; + encoder->get_config = rkl_ddi_get_config; + } else if (IS_DG1(dev_priv)) { + encoder->enable_clock = dg1_ddi_enable_clock; + encoder->disable_clock = dg1_ddi_disable_clock; + encoder->is_clock_enabled = dg1_ddi_is_clock_enabled; + encoder->get_config = dg1_ddi_get_config; + } else if (IS_JSL_EHL(dev_priv)) { + if (intel_ddi_is_tc(dev_priv, port)) { + encoder->enable_clock = jsl_ddi_tc_enable_clock; + encoder->disable_clock = jsl_ddi_tc_disable_clock; + encoder->is_clock_enabled = jsl_ddi_tc_is_clock_enabled; + encoder->get_config = icl_ddi_combo_get_config; + } else { + encoder->enable_clock = icl_ddi_combo_enable_clock; + encoder->disable_clock = icl_ddi_combo_disable_clock; + encoder->is_clock_enabled = icl_ddi_combo_is_clock_enabled; + encoder->get_config = icl_ddi_combo_get_config; + } + } else if (DISPLAY_VER(dev_priv) >= 11) { + if (intel_ddi_is_tc(dev_priv, port)) { + encoder->enable_clock = icl_ddi_tc_enable_clock; + encoder->disable_clock = icl_ddi_tc_disable_clock; + encoder->is_clock_enabled = icl_ddi_tc_is_clock_enabled; + encoder->get_config = icl_ddi_tc_get_config; + } else { + encoder->enable_clock = icl_ddi_combo_enable_clock; + encoder->disable_clock = icl_ddi_combo_disable_clock; + encoder->is_clock_enabled = icl_ddi_combo_is_clock_enabled; + encoder->get_config = icl_ddi_combo_get_config; + } + } else if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) { + /* BXT/GLK have fixed PLL->port mapping */ + encoder->get_config = bxt_ddi_get_config; + } else if (DISPLAY_VER(dev_priv) == 9) { + encoder->enable_clock = skl_ddi_enable_clock; + encoder->disable_clock = skl_ddi_disable_clock; + encoder->is_clock_enabled = skl_ddi_is_clock_enabled; + encoder->get_config = skl_ddi_get_config; + } else if (IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv)) { + encoder->enable_clock = hsw_ddi_enable_clock; + encoder->disable_clock = hsw_ddi_disable_clock; + encoder->is_clock_enabled = hsw_ddi_is_clock_enabled; + encoder->get_config = hsw_ddi_get_config; + } + + if (IS_DG2(dev_priv)) { + encoder->set_signal_levels = intel_snps_phy_set_signal_levels; + } else if (DISPLAY_VER(dev_priv) >= 12) { + if (intel_phy_is_combo(dev_priv, phy)) + encoder->set_signal_levels = icl_combo_phy_set_signal_levels; + else + encoder->set_signal_levels = tgl_dkl_phy_set_signal_levels; + } else if (DISPLAY_VER(dev_priv) >= 11) { + if (intel_phy_is_combo(dev_priv, phy)) + encoder->set_signal_levels = icl_combo_phy_set_signal_levels; + else + encoder->set_signal_levels = icl_mg_phy_set_signal_levels; + } else if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) { + encoder->set_signal_levels = bxt_ddi_phy_set_signal_levels; + } else { + encoder->set_signal_levels = hsw_set_signal_levels; + } + + intel_ddi_buf_trans_init(encoder); + + if (DISPLAY_VER(dev_priv) >= 13) + encoder->hpd_pin = xelpd_hpd_pin(dev_priv, port); + else if (IS_DG1(dev_priv)) + encoder->hpd_pin = dg1_hpd_pin(dev_priv, port); + else if (IS_ROCKETLAKE(dev_priv)) + encoder->hpd_pin = rkl_hpd_pin(dev_priv, port); + else if (DISPLAY_VER(dev_priv) >= 12) + encoder->hpd_pin = tgl_hpd_pin(dev_priv, port); + else if (IS_JSL_EHL(dev_priv)) + encoder->hpd_pin = ehl_hpd_pin(dev_priv, port); + else if (DISPLAY_VER(dev_priv) == 11) + encoder->hpd_pin = icl_hpd_pin(dev_priv, port); + else if (DISPLAY_VER(dev_priv) == 9 && !IS_BROXTON(dev_priv)) + encoder->hpd_pin = skl_hpd_pin(dev_priv, port); else - intel_dig_port->saved_port_bits = I915_READ(DDI_BUF_CTL(port)) & - (DDI_BUF_PORT_REVERSAL | DDI_A_4_LANES); - intel_dig_port->dp.output_reg = INVALID_MMIO_REG; - intel_dig_port->max_lanes = intel_ddi_max_lanes(intel_dig_port); - intel_dig_port->aux_ch = intel_bios_port_aux_ch(dev_priv, port); + encoder->hpd_pin = intel_hpd_pin_default(dev_priv, port); - intel_dig_port->tc_legacy_port = intel_port_is_tc(dev_priv, port) && - !port_info->supports_typec_usb && - !port_info->supports_tbt; + if (DISPLAY_VER(dev_priv) >= 11) + dig_port->saved_port_bits = + intel_de_read(dev_priv, DDI_BUF_CTL(port)) + & DDI_BUF_PORT_REVERSAL; + else + dig_port->saved_port_bits = + intel_de_read(dev_priv, DDI_BUF_CTL(port)) + & (DDI_BUF_PORT_REVERSAL | DDI_A_4_LANES); - switch (port) { - case PORT_A: - intel_dig_port->ddi_io_power_domain = - POWER_DOMAIN_PORT_DDI_A_IO; - break; - case PORT_B: - intel_dig_port->ddi_io_power_domain = - POWER_DOMAIN_PORT_DDI_B_IO; - break; - case PORT_C: - intel_dig_port->ddi_io_power_domain = - POWER_DOMAIN_PORT_DDI_C_IO; - break; - case PORT_D: - intel_dig_port->ddi_io_power_domain = - POWER_DOMAIN_PORT_DDI_D_IO; - break; - case PORT_E: - intel_dig_port->ddi_io_power_domain = - POWER_DOMAIN_PORT_DDI_E_IO; - break; - case PORT_F: - intel_dig_port->ddi_io_power_domain = - POWER_DOMAIN_PORT_DDI_F_IO; - break; - default: - MISSING_CASE(port); + if (intel_bios_is_lane_reversal_needed(dev_priv, port)) + dig_port->saved_port_bits |= DDI_BUF_PORT_REVERSAL; + + dig_port->dp.output_reg = INVALID_MMIO_REG; + dig_port->max_lanes = intel_ddi_max_lanes(dig_port); + dig_port->aux_ch = intel_bios_port_aux_ch(dev_priv, port); + + if (intel_phy_is_tc(dev_priv, phy)) { + bool is_legacy = + !intel_bios_encoder_supports_typec_usb(devdata) && + !intel_bios_encoder_supports_tbt(devdata); + + intel_tc_port_init(dig_port, is_legacy); + + encoder->update_prepare = intel_ddi_update_prepare; + encoder->update_complete = intel_ddi_update_complete; } + drm_WARN_ON(&dev_priv->drm, port > PORT_I); + dig_port->ddi_io_power_domain = intel_display_power_ddi_io_domain(dev_priv, port); + if (init_dp) { - if (!intel_ddi_init_dp_connector(intel_dig_port)) + if (!intel_ddi_init_dp_connector(dig_port)) goto err; - intel_dig_port->hpd_pulse = intel_dp_hpd_pulse; + dig_port->hpd_pulse = intel_dp_hpd_pulse; + + if (dig_port->dp.mso_link_count) + encoder->pipe_mask = intel_ddi_splitter_pipe_mask(dev_priv); } /* In theory we don't need the encoder->type check, but leave it just in * case we have some really bad VBTs... */ - if (intel_encoder->type != INTEL_OUTPUT_EDP && init_hdmi) { - if (!intel_ddi_init_hdmi_connector(intel_dig_port)) + if (encoder->type != INTEL_OUTPUT_EDP && init_hdmi) { + if (!intel_ddi_init_hdmi_connector(dig_port)) goto err; } - if (init_lspcon) { - if (lspcon_init(intel_dig_port)) - /* TODO: handle hdmi info frame part */ - DRM_DEBUG_KMS("LSPCON init success on port %c\n", - port_name(port)); + if (DISPLAY_VER(dev_priv) >= 11) { + if (intel_phy_is_tc(dev_priv, phy)) + dig_port->connected = intel_tc_port_connected; else - /* - * LSPCON init faied, but DP init was success, so - * lets try to drive as DP++ port. - */ - DRM_ERROR("LSPCON init failed on port %c\n", - port_name(port)); + dig_port->connected = lpt_digital_port_connected; + } else if (DISPLAY_VER(dev_priv) >= 8) { + if (port == PORT_A || IS_GEMINILAKE(dev_priv) || + IS_BROXTON(dev_priv)) + dig_port->connected = bdw_digital_port_connected; + else + dig_port->connected = lpt_digital_port_connected; + } else { + if (port == PORT_A) + dig_port->connected = hsw_digital_port_connected; + else + dig_port->connected = lpt_digital_port_connected; } - intel_infoframe_init(intel_dig_port); - - if (intel_port_is_tc(dev_priv, port)) - intel_digital_port_connected(intel_encoder); + intel_infoframe_init(dig_port); return; err: - drm_encoder_cleanup(encoder); - kfree(intel_dig_port); + drm_encoder_cleanup(&encoder->base); + kfree(dig_port); } |