This pixel format is a fully packed and 10bits variant of NV12.
A luma pixel would take 10bits in memory, without any
filled bits between pixels in a stride.
Signed-off-by: Randy Li <ay...@soulik.info>
---
drivers/gpu/drm/drm_fourcc.c | 4 ++++
include/uapi/drm/drm_fourcc.h | 8 ++++++++
2 files changed, 12 insertions(+)
diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c
index ba7e19d4336c..16d3be8278f1 100644
--- a/drivers/gpu/drm/drm_fourcc.c
+++ b/drivers/gpu/drm/drm_fourcc.c
@@ -247,6 +247,10 @@ const struct drm_format_info *__drm_format_info(u32 format)
{ .format = DRM_FORMAT_P016, .depth = 0,
.num_planes = 2,
.char_per_block = { 2, 4, 0 }, .block_w = { 1, 0, 0 },
.block_h = { 1, 0, 0 },
.hsub = 2, .vsub = 2, .is_yuv = true},
+ { .format = DRM_FORMAT_NV12_10LE40, .depth = 0,
.num_planes = 2,
+ .char_per_block = { 5, 5, 0 }, .block_w = { 4, 2, 0 },
.block_h = { 1, 1, 0 },
+ .hsub = 2, .vsub = 2, .is_yuv = true },
+ },
};
unsigned int i;
diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index 8dd1328bc8d6..4985fb19b4ce 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -194,6 +194,14 @@ extern "C" {
#define DRM_FORMAT_NV61 fourcc_code('N', 'V', '6', '1') /* 2x1
subsampled Cb:Cr plane */
#define DRM_FORMAT_NV24 fourcc_code('N', 'V', '2', '4') /*
non-subsampled Cr:Cb plane */
#define DRM_FORMAT_NV42 fourcc_code('N', 'V', '4', '2') /*
non-subsampled Cb:Cr plane */
+/*
+ * A fully packed 2 plane YCbCr
+ * Y1 0-9, Y2 10-19, Y3 20-29, Y4 20-39
+ * ....
+ * U1V1: 0-19, U2V2: 20-39
+ */
+#define DRM_FORMAT_NV12_10LE40 fourcc_code('R', 'K', '2', '0') /* 2x2
subsampled Cr:Cb plane */
+
/*
* 2 plane YCbCr MSB aligned
--
2.20.1
