[PATCH 05/28] drm: Add support for 3x3 CTM

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From: Chaitanya Kumar Borah <chaitanya.kumar.borah@xxxxxxxxx>

Add support for 3x3 Color Transformation Matrices in Color Pipeline.

Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@xxxxxxxxx>
Signed-off-by: Uma Shankar <uma.shankar@xxxxxxxxx>
---
 drivers/gpu/drm/drm_atomic_uapi.c | 3 +++
 drivers/gpu/drm/drm_colorop.c     | 2 +-
 include/uapi/drm/drm_mode.h       | 1 +
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c
index e7bf1fb054af..c54b0d6c133e 100644
--- a/drivers/gpu/drm/drm_atomic_uapi.c
+++ b/drivers/gpu/drm/drm_atomic_uapi.c
@@ -716,6 +716,9 @@ static int drm_atomic_color_set_data_property(struct drm_colorop *colorop,
 	case DRM_COLOROP_CTM_3X4:
 		size = sizeof(struct drm_color_ctm_3x4);
 		break;
+	case DRM_COLOROP_CTM_3X3:
+		size = sizeof(struct drm_color_ctm);
+		break;
 	default:
 		/* should never get here */
 		return -EINVAL;
diff --git a/drivers/gpu/drm/drm_colorop.c b/drivers/gpu/drm/drm_colorop.c
index 462ffec42cdf..6bae6dc8e54b 100644
--- a/drivers/gpu/drm/drm_colorop.c
+++ b/drivers/gpu/drm/drm_colorop.c
@@ -107,7 +107,7 @@ int drm_colorop_init(struct drm_device *dev, struct drm_colorop *colorop,
 				   0);
 
 	/* data */
-	if (type == DRM_COLOROP_CTM_3X4) {
+	if (type == DRM_COLOROP_CTM_3X4 || type == DRM_COLOROP_CTM_3X3) {
 		prop = drm_property_create(dev, DRM_MODE_PROP_ATOMIC | DRM_MODE_PROP_BLOB,
 					   "DATA", 0);
 		if (!prop)
diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
index f16318f1785f..68696253867e 100644
--- a/include/uapi/drm/drm_mode.h
+++ b/include/uapi/drm/drm_mode.h
@@ -868,6 +868,7 @@ struct drm_color_lut {
 
 enum drm_colorop_type {
 	DRM_COLOROP_1D_CURVE,
+	DRM_COLOROP_CTM_3X3,
 	DRM_COLOROP_CTM_3X4,
 };
 
-- 
2.42.0




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