This commit implements the "active bpc" drm property for the AMD GPU driver.
Signed-off-by: Werner Sembach wse@tuxedocomputers.com --- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 18 +++++++++++++++++- .../display/amdgpu_dm/amdgpu_dm_mst_types.c | 4 +++- 2 files changed, 20 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index dbbccbed7b20..e57b2b743d36 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -7519,8 +7519,10 @@ void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm, adev->mode_info.underscan_vborder_property, 0);
- if (!aconnector->mst_port) + if (!aconnector->mst_port) { drm_connector_attach_max_bpc_property(&aconnector->base, 8, 16); + drm_connector_attach_active_bpc_property(&aconnector->base, 8, 16); + }
/* This defaults to the max in the range, but we want 8bpc for non-edp. */ aconnector->base.state->max_bpc = (connector_type == DRM_MODE_CONNECTOR_eDP) ? 16 : 8; @@ -8890,6 +8892,20 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state) mutex_unlock(&dm->dc_lock); }
+ /* Extract information from crtc to communicate it to userspace as connector properties */ + for_each_new_connector_in_state(state, connector, new_con_state, i) { + struct drm_crtc *crtc = new_con_state->crtc; + if (crtc) { + new_crtc_state = drm_atomic_get_new_crtc_state(state, crtc); + dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); + if (dm_new_crtc_state->stream) + new_con_state->active_bpc = convert_dc_color_depth_into_bpc( + dm_new_crtc_state->stream->timing.display_color_depth); + } + else + new_con_state->active_bpc = 0; + } + /* Count number of newly disabled CRTCs for dropping PM refs later. */ for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { 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 9b221db526dc..2a8dc6b2c6c7 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 @@ -397,8 +397,10 @@ dm_dp_add_mst_connector(struct drm_dp_mst_topology_mgr *mgr, }
connector->max_bpc_property = master->base.max_bpc_property; - if (connector->max_bpc_property) + if (connector->max_bpc_property) { drm_connector_attach_max_bpc_property(connector, 8, 16); + drm_connector_attach_active_bpc_property(&aconnector->base, 8, 16); + }
connector->vrr_capable_property = master->base.vrr_capable_property; if (connector->vrr_capable_property)