This patch adds set_property and get_property handlers for pipe
level CSC color correction for CHV/BSW platform. The set
function just attaches the CSC blob to CRTC state, that later
gets committed using atomic path.
Signed-off-by: Shashank Sharma <shashank.sharma@xxxxxxxxx>
Signed-off-by: Kausal Malladi <kausalmalladi@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_atomic.c | 8 ++++++++
drivers/gpu/drm/i915/intel_color_manager.c | 19 +++++++++++++++++++
drivers/gpu/drm/i915/intel_drv.h | 3 +++
3 files changed, 30 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c
index b504b4f..57eafca 100644
--- a/drivers/gpu/drm/i915/intel_atomic.c
+++ b/drivers/gpu/drm/i915/intel_atomic.c
@@ -325,6 +325,9 @@ int intel_crtc_atomic_set_property(struct drm_crtc *crtc,
if (property == config->cm_palette_before_ctm_property)
return intel_color_manager_set_pipe_degamma(dev, state,
&crtc->base, val);
+ if (property == config->cm_ctm_property)
+ return intel_color_manager_set_pipe_csc(dev, state,
+ &crtc->base, val);
DRM_DEBUG_KMS("Unknown crtc property '%s'\n", property->name);
return -EINVAL;
@@ -350,6 +353,11 @@ int intel_crtc_atomic_get_property(struct drm_crtc *crtc,
goto found;
}
+ if (property == config->cm_ctm_property) {
+ *val = (state->ctm_blob) ? state->ctm_blob->base.id : 0;
+ goto found;
+ }
+
DRM_DEBUG_KMS("Unknown crtc property '%s'\n", property->name);
return -EINVAL;
diff --git a/drivers/gpu/drm/i915/intel_color_manager.c b/drivers/gpu/drm/i915/intel_color_manager.c
index 8890b09..2ba3fd7 100644
--- a/drivers/gpu/drm/i915/intel_color_manager.c
+++ b/drivers/gpu/drm/i915/intel_color_manager.c
@@ -27,6 +27,25 @@
#include "intel_color_manager.h"
+int intel_color_manager_set_pipe_csc(struct drm_device *dev,
+ struct drm_crtc_state *crtc_state,
+ struct drm_mode_object *obj, uint32_t blob_id)
+{
+ struct drm_property_blob *blob;
+
+ blob = drm_property_lookup_blob(dev, blob_id);
+ if (!blob) {
+ DRM_ERROR("Invalid Blob ID\n");
+ return -EINVAL;
+ }
+
+ if (crtc_state->ctm_blob)
+ drm_property_unreference_blob(crtc_state->ctm_blob);
+
+ crtc_state->ctm_blob = blob;
+ return 0;
+}
+
int intel_color_manager_set_pipe_degamma(struct drm_device *dev,
struct drm_crtc_state *crtc_state,
struct drm_mode_object *obj, uint32_t blob_id)
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 0298dd0..4d571a2f 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1473,4 +1473,7 @@ int intel_color_manager_set_pipe_gamma(struct drm_device *dev,
int intel_color_manager_set_pipe_degamma(struct drm_device *dev,
struct drm_crtc_state *crtc_state,
struct drm_mode_object *obj, uint32_t blob_id);
+int intel_color_manager_set_pipe_csc(struct drm_device *dev,
+ struct drm_crtc_state *crtc_state,
+ struct drm_mode_object *obj, uint32_t blob_id);
#endif /* __INTEL_DRV_H__ */
--
1.9.1
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