diff options
| author | Melissa Wen <mwen@igalia.com> | 2023-11-16 18:58:11 -0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-12-14 15:27:20 -0500 |
| commit | 3dad69090743c5f4642aeb628b8542a1e335dded (patch) | |
| tree | b13f7105a4b7f0ca1044adae2d6a6c5175153966 /drivers/gpu/drm/amd | |
| parent | 34dc227bf2f34085313be39d76b12f08bfe8efc0 (diff) | |
| download | linux-stable-3dad69090743c5f4642aeb628b8542a1e335dded.tar.gz linux-stable-3dad69090743c5f4642aeb628b8542a1e335dded.tar.bz2 linux-stable-3dad69090743c5f4642aeb628b8542a1e335dded.zip | |
drm/amd/display: add plane CTM support
Map the plane CTM driver-specific property to DC plane, instead of DC
stream. The remaining steps to program DPP block are already implemented
on DC shared-code.
v3:
- fix comment about plane and CRTC CTMs priorities (Harry)
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c | 26 |
2 files changed, 27 insertions, 0 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 25ec9129758b..d7ac020bd8af 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -9983,6 +9983,7 @@ static bool should_reset_plane(struct drm_atomic_state *state, if (dm_old_other_state->degamma_tf != dm_new_other_state->degamma_tf || dm_old_other_state->degamma_lut != dm_new_other_state->degamma_lut || dm_old_other_state->hdr_mult != dm_new_other_state->hdr_mult || + dm_old_other_state->ctm != dm_new_other_state->ctm || dm_old_other_state->shaper_lut != dm_new_other_state->shaper_lut || dm_old_other_state->shaper_tf != dm_new_other_state->shaper_tf || dm_old_other_state->lut3d != dm_new_other_state->lut3d || diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c index 3eed47736b26..d52c3333ea13 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c @@ -1172,6 +1172,8 @@ int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc, struct dc_plane_state *dc_plane_state) { struct amdgpu_device *adev = drm_to_adev(crtc->base.state->dev); + struct dm_plane_state *dm_plane_state = to_dm_plane_state(plane_state); + struct drm_color_ctm *ctm = NULL; struct dc_color_caps *color_caps = NULL; bool has_crtc_cm_degamma; int ret; @@ -1224,5 +1226,29 @@ int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc, return ret; } + /* Setup CRTC CTM. */ + if (dm_plane_state->ctm) { + ctm = (struct drm_color_ctm *)dm_plane_state->ctm->data; + /* + * DCN2 and older don't support both pre-blending and + * post-blending gamut remap. For this HW family, if we have + * the plane and CRTC CTMs simultaneously, CRTC CTM takes + * priority, and we discard plane CTM, as implemented in + * dcn10_program_gamut_remap(). However, DCN3+ has DPP + * (pre-blending) and MPC (post-blending) `gamut remap` blocks; + * therefore, we can program plane and CRTC CTMs together by + * mapping CRTC CTM to MPC and keeping plane CTM setup at DPP, + * as it's done by dcn30_program_gamut_remap(). + */ + __drm_ctm_to_dc_matrix(ctm, dc_plane_state->gamut_remap_matrix.matrix); + + dc_plane_state->gamut_remap_matrix.enable_remap = true; + dc_plane_state->input_csc_color_matrix.enable_adjustment = false; + } else { + /* Bypass CTM. */ + dc_plane_state->gamut_remap_matrix.enable_remap = false; + dc_plane_state->input_csc_color_matrix.enable_adjustment = false; + } + return amdgpu_dm_plane_set_color_properties(plane_state, dc_plane_state); } |