diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_dp_mst.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_dp_mst.c | 101 |
1 files changed, 44 insertions, 57 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_dp_mst.c b/drivers/gpu/drm/radeon/radeon_dp_mst.c index 2994f07fbad9..54ced1f4ff67 100644 --- a/drivers/gpu/drm/radeon/radeon_dp_mst.c +++ b/drivers/gpu/drm/radeon/radeon_dp_mst.c @@ -1,7 +1,6 @@ // SPDX-License-Identifier: MIT -#include <drm/drm_debugfs.h> -#include <drm/drm_dp_mst_helper.h> +#include <drm/display/drm_dp_mst_helper.h> #include <drm/drm_fb_helper.h> #include <drm/drm_file.h> #include <drm/drm_probe_helper.h> @@ -233,21 +232,29 @@ drm_encoder *radeon_mst_best_encoder(struct drm_connector *connector) return &radeon_connector->mst_encoder->base; } +static int +radeon_dp_mst_detect(struct drm_connector *connector, + struct drm_modeset_acquire_ctx *ctx, + bool force) +{ + struct radeon_connector *radeon_connector = + to_radeon_connector(connector); + struct radeon_connector *master = radeon_connector->mst_port; + + if (drm_connector_is_unregistered(connector)) + return connector_status_disconnected; + + return drm_dp_mst_detect_port(connector, ctx, &master->mst_mgr, + radeon_connector->port); +} + static const struct drm_connector_helper_funcs radeon_dp_mst_connector_helper_funcs = { .get_modes = radeon_dp_mst_get_modes, .mode_valid = radeon_dp_mst_mode_valid, .best_encoder = radeon_mst_best_encoder, + .detect_ctx = radeon_dp_mst_detect, }; -static enum drm_connector_status -radeon_dp_mst_detect(struct drm_connector *connector, bool force) -{ - struct radeon_connector *radeon_connector = to_radeon_connector(connector); - struct radeon_connector *master = radeon_connector->mst_port; - - return drm_dp_mst_detect_port(connector, &master->mst_mgr, radeon_connector->port); -} - static void radeon_dp_mst_connector_destroy(struct drm_connector *connector) { @@ -262,7 +269,6 @@ radeon_dp_mst_connector_destroy(struct drm_connector *connector) static const struct drm_connector_funcs radeon_dp_mst_connector_funcs = { .dpms = drm_helper_connector_dpms, - .detect = radeon_dp_mst_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = radeon_dp_mst_connector_destroy, }; @@ -297,35 +303,8 @@ static struct drm_connector *radeon_dp_add_mst_connector(struct drm_dp_mst_topol return connector; } -static void radeon_dp_register_mst_connector(struct drm_connector *connector) -{ - struct drm_device *dev = connector->dev; - struct radeon_device *rdev = dev->dev_private; - - radeon_fb_add_connector(rdev, connector); - - drm_connector_register(connector); -} - -static void radeon_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr, - struct drm_connector *connector) -{ - struct radeon_connector *master = container_of(mgr, struct radeon_connector, mst_mgr); - struct drm_device *dev = master->base.dev; - struct radeon_device *rdev = dev->dev_private; - - drm_connector_unregister(connector); - radeon_fb_remove_connector(rdev, connector); - drm_connector_cleanup(connector); - - kfree(connector); - DRM_DEBUG_KMS("\n"); -} - static const struct drm_dp_mst_topology_cbs mst_cbs = { .add_connector = radeon_dp_add_mst_connector, - .register_connector = radeon_dp_register_mst_connector, - .destroy_connector = radeon_dp_destroy_mst_connector, }; static struct @@ -386,7 +365,7 @@ radeon_mst_encoder_dpms(struct drm_encoder *encoder, int mode) struct radeon_connector *radeon_connector; struct drm_crtc *crtc; struct radeon_crtc *radeon_crtc; - int ret, slots; + int slots; s64 fixed_pbn, fixed_pbn_per_slot, avg_time_slots_per_mtp; if (!ASIC_IS_DCE5(rdev)) { DRM_ERROR("got mst dpms on non-DCE5\n"); @@ -441,10 +420,10 @@ radeon_mst_encoder_dpms(struct drm_encoder *encoder, int mode) slots = drm_dp_find_vcpi_slots(&radeon_connector->mst_port->mst_mgr, mst_enc->pbn); - ret = drm_dp_mst_allocate_vcpi(&radeon_connector->mst_port->mst_mgr, - radeon_connector->port, - mst_enc->pbn, slots); - ret = drm_dp_update_payload_part1(&radeon_connector->mst_port->mst_mgr); + drm_dp_mst_allocate_vcpi(&radeon_connector->mst_port->mst_mgr, + radeon_connector->port, + mst_enc->pbn, slots); + drm_dp_update_payload_part1(&radeon_connector->mst_port->mst_mgr, 1); radeon_dp_mst_set_be_cntl(primary, mst_enc, radeon_connector->mst_port->hpd.hpd, true); @@ -459,9 +438,9 @@ radeon_mst_encoder_dpms(struct drm_encoder *encoder, int mode) atombios_dig_encoder_setup2(&primary->base, ATOM_ENCODER_CMD_DP_VIDEO_ON, 0, mst_enc->fe); - ret = drm_dp_check_act_status(&radeon_connector->mst_port->mst_mgr); + drm_dp_check_act_status(&radeon_connector->mst_port->mst_mgr); - ret = drm_dp_update_payload_part2(&radeon_connector->mst_port->mst_mgr); + drm_dp_update_payload_part2(&radeon_connector->mst_port->mst_mgr); break; case DRM_MODE_DPMS_STANDBY: @@ -473,7 +452,7 @@ radeon_mst_encoder_dpms(struct drm_encoder *encoder, int mode) return; drm_dp_mst_reset_vcpi_slots(&radeon_connector->mst_port->mst_mgr, mst_enc->port); - ret = drm_dp_update_payload_part1(&radeon_connector->mst_port->mst_mgr); + drm_dp_update_payload_part1(&radeon_connector->mst_port->mst_mgr, 1); drm_dp_check_act_status(&radeon_connector->mst_port->mst_mgr); /* and this can also fail */ @@ -514,7 +493,7 @@ static bool radeon_mst_mode_fixup(struct drm_encoder *encoder, mst_enc = radeon_encoder->enc_priv; - mst_enc->pbn = drm_dp_calc_pbn_mode(adjusted_mode->clock, bpp); + mst_enc->pbn = drm_dp_calc_pbn_mode(adjusted_mode->clock, bpp, false); mst_enc->primary->active_device = mst_enc->primary->devices & mst_enc->connector->devices; DRM_DEBUG_KMS("setting active device to %08x from %08x %08x for encoder %d\n", @@ -650,13 +629,20 @@ int radeon_dp_mst_init(struct radeon_connector *radeon_connector) { struct drm_device *dev = radeon_connector->base.dev; + int max_link_rate; if (!radeon_connector->ddc_bus->has_aux) return 0; + if (radeon_connector_is_dp12_capable(&radeon_connector->base)) + max_link_rate = 0x14; + else + max_link_rate = 0x0a; + radeon_connector->mst_mgr.cbs = &mst_cbs; return drm_dp_mst_topology_mgr_init(&radeon_connector->mst_mgr, dev, &radeon_connector->ddc_bus->aux, 16, 6, + 4, drm_dp_bw_code_to_link_rate(max_link_rate), radeon_connector->base.base.id); } @@ -746,10 +732,10 @@ go_again: #if defined(CONFIG_DEBUG_FS) -static int radeon_debugfs_mst_info(struct seq_file *m, void *data) +static int radeon_debugfs_mst_info_show(struct seq_file *m, void *unused) { - struct drm_info_node *node = (struct drm_info_node *)m->private; - struct drm_device *dev = node->minor->dev; + struct radeon_device *rdev = (struct radeon_device *)m->private; + struct drm_device *dev = rdev->ddev; struct drm_connector *connector; struct radeon_connector *radeon_connector; struct radeon_connector_atom_dig *dig_connector; @@ -777,15 +763,16 @@ static int radeon_debugfs_mst_info(struct seq_file *m, void *data) return 0; } -static struct drm_info_list radeon_debugfs_mst_list[] = { - {"radeon_mst_info", &radeon_debugfs_mst_info, 0, NULL}, -}; +DEFINE_SHOW_ATTRIBUTE(radeon_debugfs_mst_info); #endif -int radeon_mst_debugfs_init(struct radeon_device *rdev) +void radeon_mst_debugfs_init(struct radeon_device *rdev) { #if defined(CONFIG_DEBUG_FS) - return radeon_debugfs_add_files(rdev, radeon_debugfs_mst_list, 1); + struct dentry *root = rdev->ddev->primary->debugfs_root; + + debugfs_create_file("radeon_mst_info", 0444, root, rdev, + &radeon_debugfs_mst_info_fops); + #endif - return 0; } |