[PATCH v3 04/11] drm/fourcc: Add DRM_FORMAT_Y10_P32

[Tomi Valkeinen]

Add Y10_P32, a 10 bit greyscale format, with 3 pixels packed into
32-bit container.

The fourcc for the format is 'YPA4', which comes from Y - Y only, P -
packed, A - 10 (as in 0xA), 4 - 4 bytes.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen at ideasonboard.com>
---
 drivers/gpu/drm/drm_fourcc.c  | 4 ++++
 include/uapi/drm/drm_fourcc.h | 1 +
 2 files changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c
index c8c6dd8a8d4a..155482d9a409 100644
--- a/drivers/gpu/drm/drm_fourcc.c
+++ b/drivers/gpu/drm/drm_fourcc.c
@@ -355,6 +355,10 @@ const struct drm_format_info *__drm_format_info(u32 format)
 		  .num_planes = 2, .char_per_block = { 4, 8, 0 },
 		  .block_w = { 3, 3, 0 }, .block_h = { 1, 1, 0 }, .hsub = 2,
 		  .vsub = 1, .is_yuv = true },
+		{ .format = DRM_FORMAT_Y10_P32,		.depth = 0,
+		  .num_planes = 1, .char_per_block =  { 4, 0, 0 },
+		  .block_w = { 3, 0, 0 }, .block_h = { 1, 0, 0 }, .hsub = 1,
+		  .vsub = 1, .is_yuv = true },
 	};
 
 	unsigned int i;
diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index 2778cea9c861..e87349d46325 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -408,6 +408,7 @@ extern "C" {
 /* Greyscale formats */
 
 #define DRM_FORMAT_Y8		fourcc_code('G', 'R', 'E', 'Y')  /* 8-bit Y-only */
+#define DRM_FORMAT_Y10_P32	fourcc_code('Y', 'P', 'A', '4')  /* [31:0] x:Y2:Y1:Y0 2:10:10:10 little endian */
 
 /*
  * Format Modifiers:

-- 
2.43.0