diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 55 |
1 files changed, 47 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index 336aaa09be46..db741e47d194 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -26,6 +26,7 @@ #include <linux/version.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_dp_mst_helper.h> +#include <drm/drm_dp_helper.h> #include "dm_services.h" #include "amdgpu.h" #include "amdgpu_dm.h" @@ -158,7 +159,20 @@ static bool validate_dsc_caps_on_connector(struct amdgpu_dm_connector *aconnecto u8 dsc_caps[16] = { 0 }; aconnector->dsc_aux = drm_dp_mst_dsc_aux_for_port(port); +#if defined(CONFIG_HP_HOOK_WORKAROUND) + /* + * drm_dp_mst_dsc_aux_for_port() will return NULL for certain configs + * because it only check the dsc/fec caps of the "port variable" and not the dock + * + * This case will return NULL: DSC capabe MST dock connected to a non fec/dsc capable display + * + * Workaround: explicitly check the use case above and use the mst dock's aux as dsc_aux + * + */ + if (!aconnector->dsc_aux && !port->parent->port_parent) + aconnector->dsc_aux = &aconnector->mst_port->dm_dp_aux.aux; +#endif if (!aconnector->dsc_aux) return false; @@ -241,7 +255,7 @@ dm_mst_atomic_best_encoder(struct drm_connector *connector, struct drm_connector_state *connector_state) { struct drm_device *dev = connector->dev; - struct amdgpu_device *adev = dev->dev_private; + struct amdgpu_device *adev = drm_to_adev(dev); struct amdgpu_crtc *acrtc = to_amdgpu_crtc(connector_state->crtc); return &adev->dm.mst_encoders[acrtc->crtc_id].base; @@ -310,7 +324,7 @@ static const struct drm_encoder_funcs amdgpu_dm_encoder_funcs = { void dm_dp_create_fake_mst_encoders(struct amdgpu_device *adev) { - struct drm_device *dev = adev->ddev; + struct drm_device *dev = adev_to_drm(adev); int i; for (i = 0; i < adev->dm.display_indexes_num; i++) { @@ -337,7 +351,7 @@ dm_dp_add_mst_connector(struct drm_dp_mst_topology_mgr *mgr, { struct amdgpu_dm_connector *master = container_of(mgr, struct amdgpu_dm_connector, mst_mgr); struct drm_device *dev = master->base.dev; - struct amdgpu_device *adev = dev->dev_private; + struct amdgpu_device *adev = drm_to_adev(dev); struct amdgpu_dm_connector *aconnector; struct drm_connector *connector; int i; @@ -426,11 +440,13 @@ void amdgpu_dm_initialize_dp_connector(struct amdgpu_display_manager *dm, aconnector->mst_mgr.cbs = &dm_mst_cbs; drm_dp_mst_topology_mgr_init( &aconnector->mst_mgr, - dm->adev->ddev, + adev_to_drm(dm->adev), &aconnector->dm_dp_aux.aux, 16, 4, aconnector->connector_id); + + drm_connector_attach_dp_subconnector_property(&aconnector->base); } int dm_mst_get_pbn_divider(struct dc_link *link) @@ -450,6 +466,10 @@ struct dsc_mst_fairness_params { struct dc_dsc_bw_range bw_range; bool compression_possible; struct drm_dp_mst_port *port; + enum dsc_clock_force_state clock_force_enable; + uint32_t num_slices_h; + uint32_t num_slices_v; + uint32_t bpp_overwrite; }; struct dsc_mst_fairness_vars { @@ -483,7 +503,17 @@ static void set_dsc_configs_from_fairness_vars(struct dsc_mst_fairness_params *p params[i].timing, ¶ms[i].timing->dsc_cfg)) { params[i].timing->flags.DSC = 1; - params[i].timing->dsc_cfg.bits_per_pixel = vars[i].bpp_x16; + + if (params[i].bpp_overwrite) + params[i].timing->dsc_cfg.bits_per_pixel = params[i].bpp_overwrite; + else + params[i].timing->dsc_cfg.bits_per_pixel = vars[i].bpp_x16; + + if (params[i].num_slices_h) + params[i].timing->dsc_cfg.num_slices_h = params[i].num_slices_h; + + if (params[i].num_slices_v) + params[i].timing->dsc_cfg.num_slices_v = params[i].num_slices_v; } else { params[i].timing->flags.DSC = 0; } @@ -615,7 +645,9 @@ static void try_disable_dsc(struct drm_atomic_state *state, int remaining_to_try = 0; for (i = 0; i < count; i++) { - if (vars[i].dsc_enabled && vars[i].bpp_x16 == params[i].bw_range.max_target_bpp_x16) { + if (vars[i].dsc_enabled + && vars[i].bpp_x16 == params[i].bw_range.max_target_bpp_x16 + && !params[i].clock_force_enable == DSC_CLK_FORCE_DEFAULT) { kbps_increase[i] = params[i].bw_range.stream_kbps - params[i].bw_range.max_kbps; tried[i] = false; remaining_to_try += 1; @@ -676,6 +708,7 @@ static bool compute_mst_dsc_configs_for_link(struct drm_atomic_state *state, struct dsc_mst_fairness_vars vars[MAX_PIPES]; struct amdgpu_dm_connector *aconnector; int count = 0; + bool debugfs_overwrite = false; memset(params, 0, sizeof(params)); @@ -694,6 +727,12 @@ static bool compute_mst_dsc_configs_for_link(struct drm_atomic_state *state, params[count].sink = stream->sink; aconnector = (struct amdgpu_dm_connector *)stream->dm_stream_context; params[count].port = aconnector->port; + params[count].clock_force_enable = aconnector->dsc_settings.dsc_force_enable; + if (params[count].clock_force_enable == DSC_CLK_FORCE_ENABLE) + debugfs_overwrite = true; + params[count].num_slices_h = aconnector->dsc_settings.dsc_num_slices_h; + params[count].num_slices_v = aconnector->dsc_settings.dsc_num_slices_v; + params[count].bpp_overwrite = aconnector->dsc_settings.dsc_bits_per_pixel; params[count].compression_possible = stream->sink->dsc_caps.dsc_dec_caps.is_dsc_supported; dc_dsc_get_policy_for_timing(params[count].timing, &dsc_policy); if (!dc_dsc_compute_bandwidth_range( @@ -719,14 +758,14 @@ static bool compute_mst_dsc_configs_for_link(struct drm_atomic_state *state, dm_mst_get_pbn_divider(dc_link)) < 0) return false; } - if (!drm_dp_mst_atomic_check(state)) { + if (!drm_dp_mst_atomic_check(state) && !debugfs_overwrite) { set_dsc_configs_from_fairness_vars(params, vars, count); return true; } /* Try max compression */ for (i = 0; i < count; i++) { - if (params[i].compression_possible) { + if (params[i].compression_possible && params[i].clock_force_enable != DSC_CLK_FORCE_DISABLE) { vars[i].pbn = kbps_to_peak_pbn(params[i].bw_range.min_kbps); vars[i].dsc_enabled = true; vars[i].bpp_x16 = params[i].bw_range.min_target_bpp_x16; |