diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c new file mode 100644 index 000000000000..69cc192a7e71 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c @@ -0,0 +1,246 @@ +/* + * Copyright 2016 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#include "dm_services.h" +#include "dm_helpers.h" +#include "core_types.h" +#include "resource.h" +#include "dce/dce_hwseq.h" +#include "dce110/dce110_hw_sequencer.h" +#include "dcn21_hwseq.h" +#include "vmid.h" +#include "reg_helper.h" +#include "hw/clk_mgr.h" +#include "dc_dmub_srv.h" +#include "abm.h" + + +#define DC_LOGGER_INIT(logger) + +#define CTX \ + hws->ctx +#define REG(reg)\ + hws->regs->reg + +#undef FN +#define FN(reg_name, field_name) \ + hws->shifts->field_name, hws->masks->field_name + +/* Temporary read settings, future will get values from kmd directly */ +static void mmhub_update_page_table_config(struct dcn_hubbub_phys_addr_config *config, + struct dce_hwseq *hws) +{ + uint32_t page_table_base_hi; + uint32_t page_table_base_lo; + + REG_GET(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32, + PAGE_DIRECTORY_ENTRY_HI32, &page_table_base_hi); + REG_GET(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32, + PAGE_DIRECTORY_ENTRY_LO32, &page_table_base_lo); + + config->gart_config.page_table_base_addr = ((uint64_t)page_table_base_hi << 32) | page_table_base_lo; + +} + +int dcn21_init_sys_ctx(struct dce_hwseq *hws, struct dc *dc, struct dc_phy_addr_space_config *pa_config) +{ + struct dcn_hubbub_phys_addr_config config; + + config.system_aperture.fb_top = pa_config->system_aperture.fb_top; + config.system_aperture.fb_offset = pa_config->system_aperture.fb_offset; + config.system_aperture.fb_base = pa_config->system_aperture.fb_base; + config.system_aperture.agp_top = pa_config->system_aperture.agp_top; + config.system_aperture.agp_bot = pa_config->system_aperture.agp_bot; + config.system_aperture.agp_base = pa_config->system_aperture.agp_base; + config.gart_config.page_table_start_addr = pa_config->gart_config.page_table_start_addr; + config.gart_config.page_table_end_addr = pa_config->gart_config.page_table_end_addr; + config.gart_config.page_table_base_addr = pa_config->gart_config.page_table_base_addr; + + mmhub_update_page_table_config(&config, hws); + + return dc->res_pool->hubbub->funcs->init_dchub_sys_ctx(dc->res_pool->hubbub, &config); +} + +// work around for Renoir s0i3, if register is programmed, bypass golden init. + +bool dcn21_s0i3_golden_init_wa(struct dc *dc) +{ + struct dce_hwseq *hws = dc->hwseq; + uint32_t value = 0; + + value = REG_READ(MICROSECOND_TIME_BASE_DIV); + + return value != 0x00120464; +} + +void dcn21_exit_optimized_pwr_state( + const struct dc *dc, + struct dc_state *context) +{ + dc->clk_mgr->funcs->update_clocks( + dc->clk_mgr, + context, + false); +} + +void dcn21_optimize_pwr_state( + const struct dc *dc, + struct dc_state *context) +{ + dc->clk_mgr->funcs->update_clocks( + dc->clk_mgr, + context, + true); +} + +/* If user hotplug a HDMI monitor while in monitor off, + * OS will do a mode set (with output timing) but keep output off. + * In this case DAL will ask vbios to power up the pll in the PHY. + * If user unplug the monitor (while we are on monitor off) or + * system attempt to enter modern standby (which we will disable PLL), + * PHY will hang on the next mode set attempt. + * if enable PLL follow by disable PLL (without executing lane enable/disable), + * RDPCS_PHY_DP_MPLLB_STATE remains 1, + * which indicate that PLL disable attempt actually didn't go through. + * As a workaround, insert PHY lane enable/disable before PLL disable. + */ +void dcn21_PLAT_58856_wa(struct dc_state *context, struct pipe_ctx *pipe_ctx) +{ + if (!pipe_ctx->stream->dpms_off) + return; + + pipe_ctx->stream->dpms_off = false; + core_link_enable_stream(context, pipe_ctx); + core_link_disable_stream(pipe_ctx); + pipe_ctx->stream->dpms_off = true; +} + +static bool dmub_abm_set_pipe(struct abm *abm, uint32_t otg_inst, uint32_t option, uint32_t panel_inst) +{ + union dmub_rb_cmd cmd; + struct dc_context *dc = abm->ctx; + uint32_t ramping_boundary = 0xFFFF; + + memset(&cmd, 0, sizeof(cmd)); + cmd.abm_set_pipe.header.type = DMUB_CMD__ABM; + cmd.abm_set_pipe.header.sub_type = DMUB_CMD__ABM_SET_PIPE; + cmd.abm_set_pipe.abm_set_pipe_data.otg_inst = otg_inst; + cmd.abm_set_pipe.abm_set_pipe_data.set_pipe_option = option; + cmd.abm_set_pipe.abm_set_pipe_data.panel_inst = panel_inst; + cmd.abm_set_pipe.abm_set_pipe_data.ramping_boundary = ramping_boundary; + cmd.abm_set_pipe.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_pipe_data); + + dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd); + dc_dmub_srv_cmd_execute(dc->dmub_srv); + dc_dmub_srv_wait_idle(dc->dmub_srv); + + return true; +} + +void dcn21_set_abm_immediate_disable(struct pipe_ctx *pipe_ctx) +{ + struct abm *abm = pipe_ctx->stream_res.abm; + uint32_t otg_inst = pipe_ctx->stream_res.tg->inst; + struct panel_cntl *panel_cntl = pipe_ctx->stream->link->panel_cntl; + + struct dmcu *dmcu = pipe_ctx->stream->ctx->dc->res_pool->dmcu; + + if (dmcu) { + dce110_set_abm_immediate_disable(pipe_ctx); + return; + } + + if (abm && panel_cntl) { + dmub_abm_set_pipe(abm, otg_inst, SET_ABM_PIPE_IMMEDIATELY_DISABLE, + panel_cntl->inst); + panel_cntl->funcs->store_backlight_level(panel_cntl); + } +} + +void dcn21_set_pipe(struct pipe_ctx *pipe_ctx) +{ + struct abm *abm = pipe_ctx->stream_res.abm; + uint32_t otg_inst = pipe_ctx->stream_res.tg->inst; + struct panel_cntl *panel_cntl = pipe_ctx->stream->link->panel_cntl; + struct dmcu *dmcu = pipe_ctx->stream->ctx->dc->res_pool->dmcu; + + if (dmcu) { + dce110_set_pipe(pipe_ctx); + return; + } + + if (abm && panel_cntl) + dmub_abm_set_pipe(abm, otg_inst, SET_ABM_PIPE_NORMAL, panel_cntl->inst); +} + +bool dcn21_set_backlight_level(struct pipe_ctx *pipe_ctx, + uint32_t backlight_pwm_u16_16, + uint32_t frame_ramp) +{ + union dmub_rb_cmd cmd; + struct dc_context *dc = pipe_ctx->stream->ctx; + struct abm *abm = pipe_ctx->stream_res.abm; + uint32_t otg_inst = pipe_ctx->stream_res.tg->inst; + struct panel_cntl *panel_cntl = pipe_ctx->stream->link->panel_cntl; + + if (dc->dc->res_pool->dmcu) { + dce110_set_backlight_level(pipe_ctx, backlight_pwm_u16_16, frame_ramp); + return true; + } + + if (abm && panel_cntl) + dmub_abm_set_pipe(abm, otg_inst, SET_ABM_PIPE_NORMAL, panel_cntl->inst); + + memset(&cmd, 0, sizeof(cmd)); + cmd.abm_set_backlight.header.type = DMUB_CMD__ABM; + cmd.abm_set_backlight.header.sub_type = DMUB_CMD__ABM_SET_BACKLIGHT; + cmd.abm_set_backlight.abm_set_backlight_data.frame_ramp = frame_ramp; + cmd.abm_set_backlight.abm_set_backlight_data.backlight_user_level = backlight_pwm_u16_16; + cmd.abm_set_backlight.abm_set_backlight_data.version = DMUB_CMD_ABM_CONTROL_VERSION_1; + cmd.abm_set_backlight.abm_set_backlight_data.panel_mask = (0x01 << panel_cntl->inst); + cmd.abm_set_backlight.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_backlight_data); + + dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd); + dc_dmub_srv_cmd_execute(dc->dmub_srv); + dc_dmub_srv_wait_idle(dc->dmub_srv); + + return true; +} + +bool dcn21_is_abm_supported(struct dc *dc, + struct dc_state *context, struct dc_stream_state *stream) +{ + int i; + + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i]; + + if (pipe_ctx->stream == stream && + (pipe_ctx->prev_odm_pipe == NULL && pipe_ctx->next_odm_pipe == NULL)) + return true; + } + return false; +} + |