Add a new pixel format, DRM_FORMAT_XV20 ("XV20")
XV20 is 2 plane 10 bit per component YCbCr 2x1 subsampled format. XV20
is similar to the already existing P030 format, which is 2x2 subsampled.
Reviewed-by: Dmitry Baryshkov <[email protected]>
Reviewed-by: Vishal Sagar <[email protected]>
Reviewed-by: Laurent Pinchart <[email protected]>
Signed-off-by: Tomi Valkeinen <[email protected]>
---
drivers/gpu/drm/drm_fourcc.c | 3 +++
include/uapi/drm/drm_fourcc.h | 7 +++++++
2 files changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c
index e662aea9d105..4fd37226b647 100644
--- a/drivers/gpu/drm/drm_fourcc.c
+++ b/drivers/gpu/drm/drm_fourcc.c
@@ -381,6 +381,9 @@ const struct drm_format_info *__drm_format_info(u32 format)
{ .format = DRM_FORMAT_S416, .depth = 0,
.num_planes = 3,
.char_per_block = { 2, 2, 2 }, .block_w = { 1, 1, 1 },
.block_h = { 1, 1, 1 },
.hsub = 1, .vsub = 1, .is_yuv = true},
+ { .format = DRM_FORMAT_XV20, .depth = 0,
.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 },
};
unsigned int i;
diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index c89aede3cb12..10cc13bdb495 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -322,6 +322,13 @@ extern "C" {
#define DRM_FORMAT_RGB565_A8 fourcc_code('R', '5', 'A', '8')
#define DRM_FORMAT_BGR565_A8 fourcc_code('B', '5', 'A', '8')
+/*
+ * 2 plane 10 bit per component YCrCb
+ * index 0 = Y plane, [31:0] x:Y2:Y1:Y0 2:10:10:10 little endian
+ * index 1 = Cb:Cr plane, [63:0] x:Cr2:Cb2:Cr1:x:Cb1:Cr0:Cb0
2:10:10:10:2:10:10:10 little endian
+ */
+#define DRM_FORMAT_XV20 fourcc_code('X', 'V', '2', '0') /* 2x1
subsampled Cr:Cb plane 2:10:10:10 */
+
/*
* 2 plane YCbCr
* index 0 = Y plane, [7:0] Y
--
2.43.0
