This patch adds new structures in DRM layer for Palette color
correction.These structures will be used by user space agents
to configure appropriate number of samples and Palette LUT for
a platform.
Signed-off-by: Shashank Sharma <shashank.sha...@intel.com>
Signed-off-by: Kausal Malladi <kausalmall...@gmail.com>
---
include/uapi/drm/drm.h | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h
index 3801584..3dce251 100644
--- a/include/uapi/drm/drm.h
+++ b/include/uapi/drm/drm.h
@@ -829,6 +829,26 @@ struct drm_event_vblank {
__u32 reserved;
};
+struct drm_r32g32b32 {
+ /*
+ * Data is in U8.24 fixed point format.
+ * All platforms support values within [0, 1.0] range,
+ * for Red, Green and Blue colors.
+ */
+ __u32 r32;
+ __u32 g32;
+ __u32 b32;
+ __u32 reserved;
+};
+
+struct drm_palette {
+ /*
+ * Starting of palette LUT in R32G32B32 format.
+ * Each of RGB value is in U8.24 fixed point format.
+ */
+ struct drm_r32g32b32 lut[0];
+};
+
/* typedef area */
#ifndef __KERNEL__
typedef struct drm_clip_rect drm_clip_rect_t;
--
1.9.1
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