linux-kernel - [PATCH v6] drm: add fourcc codes for 16bit R and RG

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Message-Id: <20170104183855.3852-1-fernetmenta@kodi.tv>
Date:   Wed,  4 Jan 2017 19:38:55 +0100
From:   Rainer Hochecker <fernetmenta@...i.tv>
To:     ville.syrjala@...ux.intel.com
Cc:     ben@...dawsk.net, intel-gfx@...ts.freedesktop.org, daniel@...ll.ch,
        fernetmenta@...ine.de, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, jani.nikula@...ux.intel.com,
        fernetmenta@...i.tv, eric.engestrom@...tec.com
Subject: [PATCH v6] drm: add fourcc codes for 16bit R and RG

From: Rainer Hochecker <fernetmenta@...ine.de>

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

Signed-off-by: Rainer Hochecker <fernetmenta@...ine.de>
---
 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..d230e58 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 little endian */
+
 /* 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