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[v12,2/6] drm: Introduce RGB 64-bit 16:16:16:16 float format

Message ID 1500461945-16801-3-git-send-email-tina.zhang@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Zhang, Tina July 19, 2017, 10:59 a.m. UTC 
The RGB 64-bit 16:16:16:16 float pixel format is needed by windows
guest VM. This patch is to introduce the format to drm.

v1:
Suggested by Ville to submit this patch to dri-devel.

Signed-off-by: Xiaoguang Chen <xiaoguang.chen@intel.com>
Signed-off-by: Tina Zhang <tina.zhang@intel.com>
---
 include/uapi/drm/drm_fourcc.h | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index 7586c46..3e002e3 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -113,6 +113,10 @@  extern "C" {
 
 #define DRM_FORMAT_AYUV		fourcc_code('A', 'Y', 'U', 'V') /* [31:0] A:Y:Cb:Cr 8:8:8:8 little endian */
 
+/* 64 bpp RGB */
+#define DRM_FORMAT_XRGB161616  fourcc_code('X', 'R', '4', '8') /* [63:0] x:R:G:B 16:16:16:16 little endian */
+#define DRM_FORMAT_XBGR161616  fourcc_code('X', 'B', '4', '8') /* [63:0] x:B:G:R 16:16:16:16 little endian */
+
 /*
  * 2 plane RGB + A
  * index 0 = RGB plane, same format as the corresponding non _A8 format has