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 ayaka@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