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| author | Dave Stevenson <dave.stevenson@raspberrypi.com> | 2021-12-15 12:17:37 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-14 12:15:29 +0300 |
| commit | 6f6a99fb620dc09e424986aa9c3492bb74a138bf (patch) | |
| tree | 605f8d101ba01c8998d7ec06a29d583481352d1c /include | |
| parent | 85273b4a7076ed5328c8ace02234e4e7e10972d5 (diff) | |
| download | linux-6f6a99fb620dc09e424986aa9c3492bb74a138bf.tar.xz | |
drm/fourcc: Add packed 10bit YUV 4:2:0 format
[ Upstream commit 006ea1b5822f9019bd722ffc6242bc0880879e3d ]
Adds a format that is 3 10bit YUV 4:2:0 samples packed into
a 32bit word (with 2 spare bits).
Supported on Broadcom BCM2711 chips.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://lore.kernel.org/r/20211215091739.135042-2-maxime@cerno.tech
Stable-dep-of: b230555f3257 ("drm/fourcc: Fix vsub/hsub for Q410 and Q401")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/drm/drm_fourcc.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index 5498d7a6556a..dad9d3b4a97a 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -271,6 +271,13 @@ extern "C" { */ #define DRM_FORMAT_P016 fourcc_code('P', '0', '1', '6') /* 2x2 subsampled Cr:Cb plane 16 bits per channel */ +/* 2 plane YCbCr420. + * 3 10 bit components and 2 padding bits packed into 4 bytes. + * index 0 = Y plane, [31:0] x:Y2:Y1:Y0 2:10:10:10 little endian + * index 1 = Cr:Cb plane, [63:0] x:Cr2:Cb2:Cr1:x:Cb1:Cr0:Cb0 [2:10:10:10:2:10:10:10] little endian + */ +#define DRM_FORMAT_P030 fourcc_code('P', '0', '3', '0') /* 2x2 subsampled Cr:Cb plane 10 bits per channel packed */ + /* 3 plane non-subsampled (444) YCbCr * 16 bits per component, but only 10 bits are used and 6 bits are padded * index 0: Y plane, [15:0] Y:x [10:6] little endian @@ -777,6 +784,10 @@ drm_fourcc_canonicalize_nvidia_format_mod(__u64 modifier) * and UV. Some SAND-using hardware stores UV in a separate tiled * image from Y to reduce the column height, which is not supported * with these modifiers. + * + * The DRM_FORMAT_MOD_BROADCOM_SAND128_COL_HEIGHT modifier is also + * supported for DRM_FORMAT_P030 where the columns remain as 128 bytes + * wide, but as this is a 10 bpp format that translates to 96 pixels. */ #define DRM_FORMAT_MOD_BROADCOM_SAND32_COL_HEIGHT(v) \ |