On 09/06, Harry Wentland wrote:
>
>
> On 2023-08-10 12:03, Melissa Wen wrote:
> > 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.
> >
> > Signed-off-by: Melissa Wen <mwen@xxxxxxxxxx>
> > ---
> > .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 1 +
> > .../amd/display/amdgpu_dm/amdgpu_dm_color.c | 25 +++++++++++++++++++
> > 2 files changed, 26 insertions(+)
> >
> > 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 dfe61c5ed49e..f239410234b3 100644
> > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> > @@ -9578,6 +9578,7 @@ 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 86a918ab82be..7ff329101fd4 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
> > @@ -1158,6 +1158,8 @@ 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;
> > @@ -1209,6 +1211,29 @@ 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;
> > +
> > + /*
> > + * So far, if we have both plane and CRTC CTM, plane CTM takes
> > + * the priority and we discard data for CRTC CTM, as
> > + * implemented in dcn10_program_gamut_remap(). However, we
>
> Isn't it the opposite? If stream (crtc) has a CTM we program that, only if
> stream doesn't have a CTM we program the plane one?
yeah, you're right. It was an intermediate approach that was discarded.
Indeed, I think I need to rewrite it to better describe that CRTC CTM
priority regarding DPP gamut remap matrix.
Thanks for pointing it out.
Melissa
>
> Harry
>
> > + * have MPC gamut_remap_matrix from DCN3 family, therefore we
> > + * can remap MPC programing of the matrix to MPC block and
> > + * provide support for both DPP and MPC matrix at the same
> > + * time.
> > + */
> > + __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, color_caps);
> > }
>
