From: Chaitanya Kumar Borah <chaitanya.kumar.borah@xxxxxxxxx>
User can disable the color pipeline entirely, thereby
disabling all the color hardware blocks in the pipeline.
User should set NULL as the blob id and invoke SET_COLOR_PIPELINE
property. Driver will disable all the color hardware blocks by
updating respective blob id's as NULL.
Co-developed-by: Uma Shankar <uma.shankar@xxxxxxxxx>
Signed-off-by: Uma Shankar <uma.shankar@xxxxxxxxx>
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@xxxxxxxxx>
---
drivers/gpu/drm/drm_atomic_uapi.c | 50 +++++++++++++++++++++++++++++++
1 file changed, 50 insertions(+)
diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c
index 20f9366865ca..259cd4f5f520 100644
--- a/drivers/gpu/drm/drm_atomic_uapi.c
+++ b/drivers/gpu/drm/drm_atomic_uapi.c
@@ -411,6 +411,53 @@ drm_atomic_replace_property_blob_from_id(struct drm_device *dev,
* available at driver level, the driver should check for
* the sanity of the userspace data.
*/
+static
+int drm_plane_reset_color_op_blobs(struct drm_plane *plane,
+ struct drm_plane_state *state,
+ bool *replaced)
+{
+ struct drm_device *dev = plane->dev;
+ int ret;
+ bool blob_replaced = false;
+ bool temp_replaced = false;
+
+ ret = drm_atomic_replace_property_blob_from_id(dev,
+ &state->color.ctm,
+ 0, -1, -1,
+ &blob_replaced);
+ temp_replaced |= blob_replaced;
+ if (ret)
+ goto out;
+
+ ret = drm_atomic_replace_property_blob_from_id(dev,
+ &state->color.pre_csc_lut,
+ 0, -1, -1,
+ &blob_replaced);
+ temp_replaced |= blob_replaced;
+
+ if (ret)
+ goto out;
+
+ ret = drm_atomic_replace_property_blob_from_id(dev,
+ &state->color.post_csc_lut,
+ 0, -1, -1,
+ &blob_replaced);
+ temp_replaced |= blob_replaced;
+
+ ret = drm_atomic_replace_property_blob_from_id(dev,
+ &state->color.private_color_op_data,
+ 0, -1, -1,
+ &blob_replaced);
+ temp_replaced |= blob_replaced;
+
+ if (ret)
+ goto out;
+out:
+ if (!ret)
+ *replaced |= temp_replaced;
+ return ret;
+}
+
static
int drm_plane_replace_color_op_blobs(struct drm_plane *plane,
struct drm_plane_state *state,
@@ -425,6 +472,9 @@ int drm_plane_replace_color_op_blobs(struct drm_plane *plane,
bool blob_replaced = false;
bool temp_replaced = false;
+ if (!color_pipeline_blob_id)
+ return drm_plane_reset_color_op_blobs(plane, state, replaced);
+
new_blob = drm_property_lookup_blob(dev, color_pipeline_blob_id);
if (!new_blob) {
--
2.38.1
