Le 18/09/2025 à 02:43, Nícolas F. R. A. Prado a écrit :
Pass the state of the post-blend color pipeline client cap to the atomic state so that drivers can rely on it to enable color pipeline functionality and ignore the deprecated color management CRTC properties. Signed-off-by: Nícolas F. R. A. Prado <nfrapr...@collabora.com>
Reviewed-by: Louis Chauvet <louis.chau...@bootlin.com>
--- drivers/gpu/drm/drm_atomic_uapi.c | 1 + include/drm/drm_atomic.h | 20 ++++++++++++++++++++ 2 files changed, 21 insertions(+) diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c index f5125fa3fa28ff2a6ff07fd7cf07d4bdf77ab738..56a440a9390c7730c4c41b491f29b933a2bbb889 100644 --- a/drivers/gpu/drm/drm_atomic_uapi.c +++ b/drivers/gpu/drm/drm_atomic_uapi.c @@ -1660,6 +1660,7 @@ int drm_mode_atomic_ioctl(struct drm_device *dev, state->acquire_ctx = &ctx; state->allow_modeset = !!(arg->flags & DRM_MODE_ATOMIC_ALLOW_MODESET); state->plane_color_pipeline = file_priv->plane_color_pipeline; + state->post_blend_color_pipeline = file_priv->post_blend_color_pipeline;retry:copied_objs = 0; diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h index 678708df9cdb90b4266127193a92183069f18688..8c42c584aefbf0034b2163d90538e80099b0dadb 100644 --- a/include/drm/drm_atomic.h +++ b/include/drm/drm_atomic.h @@ -482,6 +482,26 @@ struct drm_atomic_state { */ bool plane_color_pipeline : 1;+ /**+ * @post_blend_color_pipeline: + * + * Indicates whether this atomic state originated with a client that + * set the DRM_CLIENT_CAP_POST_BLEND_COLOR_PIPELINE. + * + * Drivers and helper functions should use this to ignore legacy + * properties that are incompatible with the drm_crtc COLOR_PIPELINE + * behavior, such as: + * + * - GAMMA_LUT + * - DEGAMMA_LUT + * - GAMMA_LUT_SIZE + * - CTM + * + * or any other driver-specific properties that might affect pixel + * values. + */ + bool post_blend_color_pipeline : 1; + /** * @colorops: *
-- -- Louis Chauvet, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
