From: "uma.shankar at intel.com (Uma Shankar)" <uma.shan...@intel.com>
Add plane gamma as blob property and size as a range property. (am from https://patchwork.kernel.org/patch/9971325/) Change-Id: I606cd40c9748b136fc2bf4750bea1da285add62d Signed-off-by: Uma Shankar <uma.shankar at intel.com> --- drivers/gpu/drm/drm_atomic.c | 8 ++++++++ drivers/gpu/drm/drm_atomic_helper.c | 4 ++++ drivers/gpu/drm/drm_mode_config.c | 14 ++++++++++++++ include/drm/drm_mode_config.h | 11 +++++++++++ include/drm/drm_plane.h | 9 +++++++++ 5 files changed, 46 insertions(+) diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index d4b8c6cc84128..f634f6450f415 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -778,6 +778,12 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane, &replaced); state->color_mgmt_changed |= replaced; return ret; + } else if (property == config->plane_gamma_lut_property) { + ret = drm_atomic_replace_property_blob_from_id(dev, + &state->gamma_lut, + val, -1, &replaced); + state->color_mgmt_changed |= replaced; + return ret; } else { return -EINVAL; } @@ -841,6 +847,8 @@ drm_atomic_plane_get_property(struct drm_plane *plane, state->degamma_lut->base.id : 0; } else if (property == config->plane_ctm_property) { *val = (state->ctm) ? state->ctm->base.id : 0; + } else if (property == config->plane_gamma_lut_property) { + *val = (state->gamma_lut) ? state->gamma_lut->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 17e137a529a0e..97dbb36153d14 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -3495,6 +3495,9 @@ void __drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane, drm_property_reference_blob(state->degamma_lut); if (state->ctm) drm_property_reference_blob(state->ctm); + if (state->gamma_lut) + drm_property_reference_blob(state->gamma_lut); + state->color_mgmt_changed = false; } EXPORT_SYMBOL(__drm_atomic_helper_plane_duplicate_state); @@ -3543,6 +3546,7 @@ void __drm_atomic_helper_plane_destroy_state(struct drm_plane_state *state) drm_property_unreference_blob(state->degamma_lut); drm_property_unreference_blob(state->ctm); + drm_property_unreference_blob(state->gamma_lut); } 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 c8763977413e7..bc6f8e51c7464 100644 --- a/drivers/gpu/drm/drm_mode_config.c +++ b/drivers/gpu/drm/drm_mode_config.c @@ -368,6 +368,20 @@ static int drm_mode_create_standard_properties(struct drm_device *dev) return -ENOMEM; dev->mode_config.plane_ctm_property = prop; + prop = drm_property_create(dev, + DRM_MODE_PROP_BLOB, + "PLANE_GAMMA_LUT", 0); + if (!prop) + return -ENOMEM; + dev->mode_config.plane_gamma_lut_property = prop; + + prop = drm_property_create_range(dev, + DRM_MODE_PROP_IMMUTABLE, + "PLANE_GAMMA_LUT_SIZE", 0, UINT_MAX); + if (!prop) + return -ENOMEM; + dev->mode_config.plane_gamma_lut_size_property = prop; + return 0; } diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h index ad7235ced531b..3ca3eb3c98950 100644 --- a/include/drm/drm_mode_config.h +++ b/include/drm/drm_mode_config.h @@ -740,6 +740,17 @@ struct drm_mode_config { * degamma LUT. */ struct drm_property *plane_ctm_property; + /** + * @plane_gamma_lut_property: Optional Plane property to set the LUT + * used to convert the colors, after the CTM matrix, to the common + * gamma space chosen for blending. + */ + struct drm_property *plane_gamma_lut_property; + /** + * @plane_gamma_lut_size_property: Optional Plane property for the size + * of the gamma LUT as supported by the driver (read-only). + */ + struct drm_property *plane_gamma_lut_size_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 21aecc9c91a09..acabb85009a14 100644 --- a/include/drm/drm_plane.h +++ b/include/drm/drm_plane.h @@ -147,6 +147,15 @@ struct drm_plane_state { */ struct drm_property_blob *ctm; + /** + * @gamma_lut: + * + * Lookup table for converting pixel data after the color conversion + * matrix @ctm. See drm_plane_enable_color_mgmt(). The blob (if not + * NULL) is an array of &struct drm_color_lut. + */ + struct drm_property_blob *gamma_lut; + struct drm_atomic_state *state; bool color_mgmt_changed : 1; -- 2.16.1.291.g4437f3f132-goog _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
