commit 9986aacd4ba42231fb1d8cee835112deea24d4c2
author Chirag Khurana <ckhurana@codeaurora.org> Wed Nov 20 17:50:10 2019 +0530
committer Gerrit - the friendly Code Review server <code-review@localhost> Mon Dec 30 02:13:32 2019 -0800
tree 4b941b075dc8379af6590c94dd0b656072db5fdf
parent 19aa7f203299d787182386d20a59940b50d80744

drm/edid: add colorimetry block parsing support

Parse the colorimetry data block of EDID to get
information about the supported encoding formats
of the sink.

This information is needed to use the appropriate
color encoding scheme before transmitting the video
stream to the sink.

Change-Id: I133e8f21fa4ad843219dbefed2d072ad2edab197
Signed-off-by: Abhinav Kumar <abhinavk@codeaurora.org>
Signed-off-by: Ajay Singh Parmar <aparmar@codeaurora.org>
Signed-off-by: Chirag Khurana <ckhurana@codeaurora.org>

include/drm/drm_edid.h

diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index 1bcf8f7..b5c134a 100644
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -217,6 +217,15 @@
 #define DRM_EDID_YCBCR420_DC_36  (1 << 1)
 #define DRM_EDID_YCBCR420_DC_30  (1 << 0)
 
+#define DRM_EDID_COLORIMETRY_xvYCC_601	(1 << 0)
+#define DRM_EDID_COLORIMETRY_xvYCC_709	(1 << 1)
+#define DRM_EDID_COLORIMETRY_sYCC_601	(1 << 2)
+#define DRM_EDID_COLORIMETRY_ADBYCC_601	(1 << 3)
+#define DRM_EDID_COLORIMETRY_ADB_RGB	(1 << 4)
+#define DRM_EDID_COLORIMETRY_BT2020_CYCC	(1 << 5)
+#define DRM_EDID_COLORIMETRY_BT2020_YCC	(1 << 6)
+#define DRM_EDID_COLORIMETRY_BT2020_RGB	(1 << 7)
+
 /* ELD Header Block */
 #define DRM_ELD_HEADER_BLOCK_SIZE	4