[PATCH 03/22] drm: Add color correction blobs in CRTC state

[Shashank Sharma]

This patch adds new variables in CRTC state, to hold respective color
correction blobs. These blobs will be required during the atomic commit
for writing the color correction values in correction registers.

Signed-off-by: Shashank Sharma <shashank.sharma at intel.com>
Signed-off-by: Kausal Malladi <kausalmalladi at gmail.com>
---
 drivers/gpu/drm/drm_atomic_helper.c | 12 ++++++++++++
 include/drm/drm_crtc.h              |  7 ++++++-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 87a2a44..d73ca9b9 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -2193,6 +2193,12 @@ void __drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc,
 
 	if (state->mode_blob)
 		drm_property_reference_blob(state->mode_blob);
+	if (state->ctm_blob)
+		drm_property_reference_blob(state->ctm_blob);
+	if (state->palette_after_ctm_blob)
+		drm_property_reference_blob(state->palette_after_ctm_blob);
+	if (state->palette_before_ctm_blob)
+		drm_property_reference_blob(state->palette_before_ctm_blob);
 	state->mode_changed = false;
 	state->active_changed = false;
 	state->planes_changed = false;
@@ -2238,6 +2244,12 @@ void __drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc,
 {
 	if (state->mode_blob)
 		drm_property_unreference_blob(state->mode_blob);
+	if (state->ctm_blob)
+		drm_property_unreference_blob(state->ctm_blob);
+	if (state->palette_after_ctm_blob)
+		drm_property_unreference_blob(state->palette_after_ctm_blob);
+	if (state->palette_before_ctm_blob)
+		drm_property_unreference_blob(state->palette_before_ctm_blob);
 }
 EXPORT_SYMBOL(__drm_atomic_helper_crtc_destroy_state);
 
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 6e0f177..9cd4123 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -302,6 +302,11 @@ struct drm_crtc_state {
 	/* blob property to expose current mode to atomic userspace */
 	struct drm_property_blob *mode_blob;
 
+	/* blob properties to hold the color properties' blobs */
+	struct drm_property_blob *palette_before_ctm_blob;
+	struct drm_property_blob *palette_after_ctm_blob;
+	struct drm_property_blob *ctm_blob;
+
 	struct drm_pending_vblank_event *event;
 
 	struct drm_atomic_state *state;
@@ -1151,7 +1156,7 @@ struct drm_mode_config {
 	struct drm_property *cm_palette_after_ctm_property;
 	struct drm_property *cm_ctm_property;
 
-	/* Coor management capabilities query */
+	/* Color management capabilities query */
 	struct drm_property *cm_coeff_before_ctm_property;
 	struct drm_property *cm_coeff_after_ctm_property;
 
-- 
1.9.1