[PATCH v5] drm: add fourcc codes for 16bit R and RG

From: Rainer Hochecker
Date: Wed Jan 04 2017 - 13:25:09 EST


From: Rainer Hochecker <fernetmenta@xxxxxxxxx>

Thanks for bearing with me. My ml skills have greatly improved now :)

v5 of patch:

This adds fourcc codes for 16bit planes required for DRM buffer
export to mesa.

Signed-off-by: Rainer Hochecker <fernetmenta@xxxxxxxxx>
---
include/uapi/drm/drm_fourcc.h | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index a5890bf..e7f6bcd 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -41,10 +41,17 @@ extern "C" {
/* 8 bpp Red */
#define DRM_FORMAT_R8 fourcc_code('R', '8', ' ', ' ') /* [7:0] R */

+/* 16 bpp Red */
+#define DRM_FORMAT_R16 fourcc_code('R', '1', '6', ' ') /* [15:0] R */
+
/* 16 bpp RG */
#define DRM_FORMAT_RG88 fourcc_code('R', 'G', '8', '8') /* [15:0] R:G 8:8 little endian */
#define DRM_FORMAT_GR88 fourcc_code('G', 'R', '8', '8') /* [15:0] G:R 8:8 little endian */

+/* 32 bpp RG */
+#define DRM_FORMAT_RG1616 fourcc_code('R', 'G', '3', '2') /* [31:0] R:G 16:16 little endian */
+#define DRM_FORMAT_GR1616 fourcc_code('G', 'R', '3', '2') /* [31:0] G:R 16:16 little endian */
+
/* 8 bpp RGB */
#define DRM_FORMAT_RGB332 fourcc_code('R', 'G', 'B', '8') /* [7:0] R:G:B 3:3:2 */
#define DRM_FORMAT_BGR233 fourcc_code('B', 'G', 'R', '8') /* [7:0] B:G:R 2:3:3 */
--
2.9.3