Drivers will need to know whether an atomic check/commit
originated from a client with DRM_CLIENT_CAP_PLANE_COLOR_PIPELINE
so they can ignore deprecated properties, like COLOR_ENCODING
and COLOR_RANGE.
Pass the plane_color_pipeline bit to drm_atomic_state.
Signed-off-by: Harry Wentland <harry.wentland@xxxxxxx>
---
drivers/gpu/drm/drm_atomic_uapi.c | 1 +
include/drm/drm_atomic.h | 17 +++++++++++++++++
2 files changed, 18 insertions(+)
diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c
index 23b248987a7c..c7c1c614b0d9 100644
--- a/drivers/gpu/drm/drm_atomic_uapi.c
+++ b/drivers/gpu/drm/drm_atomic_uapi.c
@@ -1571,6 +1571,7 @@ int drm_mode_atomic_ioctl(struct drm_device *dev,
drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE);
state->acquire_ctx = &ctx;
state->allow_modeset = !!(arg->flags & DRM_MODE_ATOMIC_ALLOW_MODESET);
+ state->plane_color_pipeline = file_priv->plane_color_pipeline;
retry:
copied_objs = 0;
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index 2346f19eda9f..61e6b5553eec 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -404,6 +404,23 @@ struct drm_atomic_state {
* states.
*/
bool duplicated : 1;
+
+ /**
+ * @plane_color_pipeline : 1
+ *
+ * Indicates whether this atomic state originated with a client that
+ * set the DRM_CLIENT_CAP_PLANE_COLOR_PIPELINE.
+ *
+ * Drivers and helper functions should use this to ignore legacy
+ * properties that are incompatible with the drm_plane COLOR_PIPELINE
+ * behavior, such as
+ * - COLOR_RANGE
+ * - COLOR_ENCODING
+ * or any other driver-specific properties that might affect pixel
+ * values.
+ */
+ bool plane_color_pipeline : 1;
+
struct __drm_colorops_state *colorops;
struct __drm_planes_state *planes;
struct __drm_crtcs_state *crtcs;
--
2.44.0
