[RFC PATCH 1/3] drm/color: Add RGB Color encodings

[Harry Wentland]

From: Bhawanpreet Lakha <Bhawanpreet.Lakha at amd.com>

Add the following color encodings
- RGB versions for BT601, BT709, BT2020
- DCI-P3: Used for digital movies

Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha at amd.com>
Signed-off-by: Harry Wentland <harry.wentland at amd.com>
---
 drivers/gpu/drm/drm_color_mgmt.c | 4 ++++
 include/drm/drm_color_mgmt.h     | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/drm_color_mgmt.c b/drivers/gpu/drm/drm_color_mgmt.c
index bb14f488c8f6..a183ebae2941 100644
--- a/drivers/gpu/drm/drm_color_mgmt.c
+++ b/drivers/gpu/drm/drm_color_mgmt.c
@@ -469,6 +469,10 @@ static const char * const color_encoding_name[] = {
 	[DRM_COLOR_YCBCR_BT601] = "ITU-R BT.601 YCbCr",
 	[DRM_COLOR_YCBCR_BT709] = "ITU-R BT.709 YCbCr",
 	[DRM_COLOR_YCBCR_BT2020] = "ITU-R BT.2020 YCbCr",
+	[DRM_COLOR_RGB_BT601] = "ITU-R BT.601 RGB",
+	[DRM_COLOR_RGB_BT709] = "ITU-R BT.709 RGB",
+	[DRM_COLOR_RGB_BT2020] = "ITU-R BT.2020 RGB",
+	[DRM_COLOR_P3] = "DCI-P3",
 };
 
 static const char * const color_range_name[] = {
diff --git a/include/drm/drm_color_mgmt.h b/include/drm/drm_color_mgmt.h
index 81c298488b0c..3043dd73480c 100644
--- a/include/drm/drm_color_mgmt.h
+++ b/include/drm/drm_color_mgmt.h
@@ -78,6 +78,10 @@ enum drm_color_encoding {
 	DRM_COLOR_YCBCR_BT601,
 	DRM_COLOR_YCBCR_BT709,
 	DRM_COLOR_YCBCR_BT2020,
+	DRM_COLOR_RGB_BT601,
+	DRM_COLOR_RGB_BT709,
+	DRM_COLOR_RGB_BT2020,
+	DRM_COLOR_P3,
 	DRM_COLOR_ENCODING_MAX,
 };
 
-- 
2.31.0