[v2,32/34] drm/amd/display: add plane CTM driver-specific property
Commit Message
Plane CTM for pre-blending color space conversion. Only enable
driver-specific plane CTM property on drivers that support both pre- and
post-blending gamut remap matrix, i.e., DCN3+ family. Otherwise it
conflits with DRM CRTC CTM property.
Signed-off-by: Melissa Wen <mwen@igalia.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h | 2 ++
.../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 7 +++++++
.../amd/display/amdgpu_dm/amdgpu_dm_color.c | 7 +++++++
.../amd/display/amdgpu_dm/amdgpu_dm_plane.c | 20 +++++++++++++++++++
4 files changed, 36 insertions(+)
Comments
On 09/06, Harry Wentland wrote:
>
>
> On 2023-08-10 12:03, Melissa Wen wrote:
> > Plane CTM for pre-blending color space conversion. Only enable
> > driver-specific plane CTM property on drivers that support both pre- and
> > post-blending gamut remap matrix, i.e., DCN3+ family. Otherwise it
> > conflits with DRM CRTC CTM property.
> >
> > Signed-off-by: Melissa Wen <mwen@igalia.com>
> > ---
> > drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h | 2 ++
> > .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 7 +++++++
> > .../amd/display/amdgpu_dm/amdgpu_dm_color.c | 7 +++++++
> > .../amd/display/amdgpu_dm/amdgpu_dm_plane.c | 20 +++++++++++++++++++
> > 4 files changed, 36 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
> > index abb871a912d7..84bf501b02f4 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
> > @@ -363,6 +363,8 @@ struct amdgpu_mode_info {
> > * @plane_hdr_mult_property:
> > */
> > struct drm_property *plane_hdr_mult_property;
> > +
> > + struct drm_property *plane_ctm_property;
> > /**
> > * @shaper_lut_property: Plane property to set pre-blending shaper LUT
> > * that converts color content before 3D LUT.
> > diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
> > index 095f39f04210..6252ee912a63 100644
> > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
> > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
> > @@ -769,6 +769,13 @@ struct dm_plane_state {
> > * S31.32 sign-magnitude.
> > */
> > __u64 hdr_mult;
> > + /**
> > + * @ctm:
> > + *
> > + * Color transformation matrix. See drm_crtc_enable_color_mgmt(). The
> > + * blob (if not NULL) is a &struct drm_color_ctm.
> > + */
> > + struct drm_property_blob *ctm;
> > /**
> > * @shaper_lut: shaper lookup table blob. The blob (if not NULL) is an
> > * array of &struct drm_color_lut.
> > 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 4356846a2bce..86a918ab82be 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
> > @@ -218,6 +218,13 @@ amdgpu_dm_create_color_properties(struct amdgpu_device *adev)
> > return -ENOMEM;
> > adev->mode_info.plane_hdr_mult_property = prop;
> >
> > + prop = drm_property_create(adev_to_drm(adev),
> > + DRM_MODE_PROP_BLOB,
> > + "AMD_PLANE_CTM", 0);
>
> We'll want to wrap the property creation/attachment with
> #ifdef AMD_PRIVATE_COLOR here as well.
yeah, it's already wrapped because it's created and attached together
with the other properties.
>
> Harry
>
> > + if (!prop)
> > + return -ENOMEM;
> > + adev->mode_info.plane_ctm_property = prop;
> > +
> > prop = drm_property_create(adev_to_drm(adev),
> > DRM_MODE_PROP_BLOB,
> > "AMD_PLANE_SHAPER_LUT", 0);
> > diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
> > index 3fd57de7c5be..0b1081c690cb 100644
> > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
> > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
> > @@ -1355,6 +1355,8 @@ dm_drm_plane_duplicate_state(struct drm_plane *plane)
> >
> > if (dm_plane_state->degamma_lut)
> > drm_property_blob_get(dm_plane_state->degamma_lut);
> > + if (dm_plane_state->ctm)
> > + drm_property_blob_get(dm_plane_state->ctm);
> > if (dm_plane_state->shaper_lut)
> > drm_property_blob_get(dm_plane_state->shaper_lut);
> > if (dm_plane_state->lut3d)
> > @@ -1436,6 +1438,8 @@ static void dm_drm_plane_destroy_state(struct drm_plane *plane,
> >
> > if (dm_plane_state->degamma_lut)
> > drm_property_blob_put(dm_plane_state->degamma_lut);
> > + if (dm_plane_state->ctm)
> > + drm_property_blob_put(dm_plane_state->ctm);
> > if (dm_plane_state->lut3d)
> > drm_property_blob_put(dm_plane_state->lut3d);
> > if (dm_plane_state->shaper_lut)
> > @@ -1473,6 +1477,11 @@ dm_atomic_plane_attach_color_mgmt_properties(struct amdgpu_display_manager *dm,
> > dm->adev->mode_info.plane_hdr_mult_property,
> > AMDGPU_HDR_MULT_DEFAULT);
> >
> > + /* Only enable plane CTM if both DPP and MPC gamut remap is available. */
> > + if (dm->dc->caps.color.mpc.gamut_remap)
> > + drm_object_attach_property(&plane->base,
> > + dm->adev->mode_info.plane_ctm_property, 0);
> > +
> > if (dpp_color_caps.hw_3d_lut) {
> > drm_object_attach_property(&plane->base,
> > mode_info.plane_shaper_lut_property, 0);
> > @@ -1530,6 +1539,14 @@ dm_atomic_plane_set_property(struct drm_plane *plane,
> > dm_plane_state->hdr_mult = val;
> > dm_plane_state->base.color_mgmt_changed = 1;
> > }
> > + } else if (property == adev->mode_info.plane_ctm_property) {
> > + ret = drm_property_replace_blob_from_id(plane->dev,
> > + &dm_plane_state->ctm,
> > + val,
> > + sizeof(struct drm_color_ctm), -1,
> > + &replaced);
> > + dm_plane_state->base.color_mgmt_changed |= replaced;
> > + return ret;
> > } else if (property == adev->mode_info.plane_shaper_lut_property) {
> > ret = drm_property_replace_blob_from_id(plane->dev,
> > &dm_plane_state->shaper_lut,
> > @@ -1591,6 +1608,9 @@ dm_atomic_plane_get_property(struct drm_plane *plane,
> > *val = dm_plane_state->degamma_tf;
> > } else if (property == adev->mode_info.plane_hdr_mult_property) {
> > *val = dm_plane_state->hdr_mult;
> > + } else if (property == adev->mode_info.plane_ctm_property) {
> > + *val = (dm_plane_state->ctm) ?
> > + dm_plane_state->ctm->base.id : 0;
> > } else if (property == adev->mode_info.plane_shaper_lut_property) {
> > *val = (dm_plane_state->shaper_lut) ?
> > dm_plane_state->shaper_lut->base.id : 0;
>
@@ -363,6 +363,8 @@ struct amdgpu_mode_info {
* @plane_hdr_mult_property:
*/
struct drm_property *plane_hdr_mult_property;
+
+ struct drm_property *plane_ctm_property;
/**
* @shaper_lut_property: Plane property to set pre-blending shaper LUT
* that converts color content before 3D LUT.
@@ -769,6 +769,13 @@ struct dm_plane_state {
* S31.32 sign-magnitude.
*/
__u64 hdr_mult;
+ /**
+ * @ctm:
+ *
+ * Color transformation matrix. See drm_crtc_enable_color_mgmt(). The
+ * blob (if not NULL) is a &struct drm_color_ctm.
+ */
+ struct drm_property_blob *ctm;
/**
* @shaper_lut: shaper lookup table blob. The blob (if not NULL) is an
* array of &struct drm_color_lut.
@@ -218,6 +218,13 @@ amdgpu_dm_create_color_properties(struct amdgpu_device *adev)
return -ENOMEM;
adev->mode_info.plane_hdr_mult_property = prop;
+ prop = drm_property_create(adev_to_drm(adev),
+ DRM_MODE_PROP_BLOB,
+ "AMD_PLANE_CTM", 0);
+ if (!prop)
+ return -ENOMEM;
+ adev->mode_info.plane_ctm_property = prop;
+
prop = drm_property_create(adev_to_drm(adev),
DRM_MODE_PROP_BLOB,
"AMD_PLANE_SHAPER_LUT", 0);
@@ -1355,6 +1355,8 @@ dm_drm_plane_duplicate_state(struct drm_plane *plane)
if (dm_plane_state->degamma_lut)
drm_property_blob_get(dm_plane_state->degamma_lut);
+ if (dm_plane_state->ctm)
+ drm_property_blob_get(dm_plane_state->ctm);
if (dm_plane_state->shaper_lut)
drm_property_blob_get(dm_plane_state->shaper_lut);
if (dm_plane_state->lut3d)
@@ -1436,6 +1438,8 @@ static void dm_drm_plane_destroy_state(struct drm_plane *plane,
if (dm_plane_state->degamma_lut)
drm_property_blob_put(dm_plane_state->degamma_lut);
+ if (dm_plane_state->ctm)
+ drm_property_blob_put(dm_plane_state->ctm);
if (dm_plane_state->lut3d)
drm_property_blob_put(dm_plane_state->lut3d);
if (dm_plane_state->shaper_lut)
@@ -1473,6 +1477,11 @@ dm_atomic_plane_attach_color_mgmt_properties(struct amdgpu_display_manager *dm,
dm->adev->mode_info.plane_hdr_mult_property,
AMDGPU_HDR_MULT_DEFAULT);
+ /* Only enable plane CTM if both DPP and MPC gamut remap is available. */
+ if (dm->dc->caps.color.mpc.gamut_remap)
+ drm_object_attach_property(&plane->base,
+ dm->adev->mode_info.plane_ctm_property, 0);
+
if (dpp_color_caps.hw_3d_lut) {
drm_object_attach_property(&plane->base,
mode_info.plane_shaper_lut_property, 0);
@@ -1530,6 +1539,14 @@ dm_atomic_plane_set_property(struct drm_plane *plane,
dm_plane_state->hdr_mult = val;
dm_plane_state->base.color_mgmt_changed = 1;
}
+ } else if (property == adev->mode_info.plane_ctm_property) {
+ ret = drm_property_replace_blob_from_id(plane->dev,
+ &dm_plane_state->ctm,
+ val,
+ sizeof(struct drm_color_ctm), -1,
+ &replaced);
+ dm_plane_state->base.color_mgmt_changed |= replaced;
+ return ret;
} else if (property == adev->mode_info.plane_shaper_lut_property) {
ret = drm_property_replace_blob_from_id(plane->dev,
&dm_plane_state->shaper_lut,
@@ -1591,6 +1608,9 @@ dm_atomic_plane_get_property(struct drm_plane *plane,
*val = dm_plane_state->degamma_tf;
} else if (property == adev->mode_info.plane_hdr_mult_property) {
*val = dm_plane_state->hdr_mult;
+ } else if (property == adev->mode_info.plane_ctm_property) {
+ *val = (dm_plane_state->ctm) ?
+ dm_plane_state->ctm->base.id : 0;
} else if (property == adev->mode_info.plane_shaper_lut_property) {
*val = (dm_plane_state->shaper_lut) ?
dm_plane_state->shaper_lut->base.id : 0;