From: "uma.shankar at intel.com (Uma Shankar)" <uma.shankar@xxxxxxxxx> Add a blob property for plane CSC usage. (am from https://patchwork.kernel.org/patch/9971339/) Change-Id: I688ce7c95c20d307cb0aa35c5eba5ce2e1e88314 Signed-off-by: Uma Shankar <uma.shankar at intel.com> --- drivers/gpu/drm/drm_atomic.c | 10 ++++++++++ drivers/gpu/drm/drm_atomic_helper.c | 3 +++ drivers/gpu/drm/drm_mode_config.c | 6 ++++++ include/drm/drm_mode_config.h | 6 ++++++ include/drm/drm_plane.h | 8 ++++++++ 5 files changed, 33 insertions(+) diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 4a06ff2fd1a5e..d4b8c6cc84128 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -770,6 +770,14 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane, val, -1, &replaced); state->color_mgmt_changed |= replaced; return ret; + } else if (property == config->plane_ctm_property) { + ret = drm_atomic_replace_property_blob_from_id(dev, + &state->ctm, + val, + sizeof(struct drm_color_ctm), + &replaced); + state->color_mgmt_changed |= replaced; + return ret; } else { return -EINVAL; } @@ -831,6 +839,8 @@ drm_atomic_plane_get_property(struct drm_plane *plane, } else if (property == config->plane_degamma_lut_property) { *val = (state->degamma_lut) ? state->degamma_lut->base.id : 0; + } else if (property == config->plane_ctm_property) { + *val = (state->ctm) ? state->ctm->base.id : 0; } else { return -EINVAL; } diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index d3eaf4d397681..17e137a529a0e 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -3493,6 +3493,8 @@ void __drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane, if (state->degamma_lut) drm_property_reference_blob(state->degamma_lut); + if (state->ctm) + drm_property_reference_blob(state->ctm); state->color_mgmt_changed = false; } EXPORT_SYMBOL(__drm_atomic_helper_plane_duplicate_state); @@ -3540,6 +3542,7 @@ void __drm_atomic_helper_plane_destroy_state(struct drm_plane_state *state) drm_crtc_commit_put(state->commit); drm_property_unreference_blob(state->degamma_lut); + drm_property_unreference_blob(state->ctm); } EXPORT_SYMBOL(__drm_atomic_helper_plane_destroy_state); diff --git a/drivers/gpu/drm/drm_mode_config.c b/drivers/gpu/drm/drm_mode_config.c index 7d8e74715b565..c8763977413e7 100644 --- a/drivers/gpu/drm/drm_mode_config.c +++ b/drivers/gpu/drm/drm_mode_config.c @@ -361,6 +361,12 @@ static int drm_mode_create_standard_properties(struct drm_device *dev) if (!prop) return -ENOMEM; dev->mode_config.plane_degamma_lut_size_property = prop; + prop = drm_property_create(dev, + DRM_MODE_PROP_BLOB, + "PLANE_CTM", 0); + if (!prop) + return -ENOMEM; + dev->mode_config.plane_ctm_property = prop; return 0; } diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h index dcec93d062b4d..ad7235ced531b 100644 --- a/include/drm/drm_mode_config.h +++ b/include/drm/drm_mode_config.h @@ -734,6 +734,12 @@ struct drm_mode_config { * size of the degamma LUT as supported by the driver (read-only). */ struct drm_property *plane_degamma_lut_size_property; + /** + * @plane_ctm_property: Optional CRTC property to set the + * matrix used to convert colors after the lookup in the + * degamma LUT. + */ + struct drm_property *plane_ctm_property; /** * @ctm_property: Optional CRTC property to set the * matrix used to convert colors after the lookup in the diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h index 2f8f5db77a406..21aecc9c91a09 100644 --- a/include/drm/drm_plane.h +++ b/include/drm/drm_plane.h @@ -139,6 +139,14 @@ struct drm_plane_state { */ struct drm_property_blob *degamma_lut; + /** + * @ctm: + * + * Color transformation matrix. See drm_plane_enable_color_mgmt(). The + * blob (if not NULL) is a &struct drm_color_ctm. + */ + struct drm_property_blob *ctm; + struct drm_atomic_state *state; bool color_mgmt_changed : 1; -- 2.16.1.291.g4437f3f132-goog _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
