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| author | Alexandru Gheorghe <alexandru-cosmin.gheorghe@arm.com> | 2018-11-01 15:11:30 +0000 |
|---|---|---|
| committer | Alexandru Gheorghe <alexandru-cosmin.gheorghe@arm.com> | 2018-11-02 09:55:44 +0000 |
| commit | 697b6b85042ef0fb9838e3100700eed727c211e9 (patch) | |
| tree | dbd93838425b6a3716b393f43425f3534e00af90 | |
| parent | 042bf753842ddbddcf3d4c29f21a8905d6a33e79 (diff) | |
| download | linux-697b6b85042ef0fb9838e3100700eed727c211e9.tar.gz linux-697b6b85042ef0fb9838e3100700eed727c211e9.tar.bz2 linux-697b6b85042ef0fb9838e3100700eed727c211e9.zip | |
drm/fourcc: Add fourcc for Mali linear tiled formats
Mali-DP implements a number of tiled yuv formats which are not
currently described in drm_fourcc.h.
This adds those definitions and describes their memory layout by
using the newly added char_per_block, block_w, block_h.
Reviewed-by: Brian Starkey <brian.starkey@arm.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Alexandru Gheorghe <alexandru-cosmin.gheorghe@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181101151051.1509-3-alexandru-cosmin.gheorghe@arm.com
| -rw-r--r-- | drivers/gpu/drm/drm_fourcc.c | 12 | ||||
| -rw-r--r-- | include/uapi/drm/drm_fourcc.h | 14 |
2 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c index 8c4a79b3a4ad..f523948c82b1 100644 --- a/drivers/gpu/drm/drm_fourcc.c +++ b/drivers/gpu/drm/drm_fourcc.c @@ -225,6 +225,18 @@ const struct drm_format_info *__drm_format_info(u32 format) { .format = DRM_FORMAT_UYVY, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true }, { .format = DRM_FORMAT_VYUY, .depth = 0, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1, .is_yuv = true }, { .format = DRM_FORMAT_AYUV, .depth = 0, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true, .is_yuv = true }, + { .format = DRM_FORMAT_Y0L0, .depth = 0, .num_planes = 1, + .char_per_block = { 8, 0, 0 }, .block_w = { 2, 0, 0 }, .block_h = { 2, 0, 0 }, + .hsub = 2, .vsub = 2, .has_alpha = true, .is_yuv = true }, + { .format = DRM_FORMAT_X0L0, .depth = 0, .num_planes = 1, + .char_per_block = { 8, 0, 0 }, .block_w = { 2, 0, 0 }, .block_h = { 2, 0, 0 }, + .hsub = 2, .vsub = 2, .is_yuv = true }, + { .format = DRM_FORMAT_Y0L2, .depth = 0, .num_planes = 1, + .char_per_block = { 8, 0, 0 }, .block_w = { 2, 0, 0 }, .block_h = { 2, 0, 0 }, + .hsub = 2, .vsub = 2, .has_alpha = true, .is_yuv = true }, + { .format = DRM_FORMAT_X0L2, .depth = 0, .num_planes = 1, + .char_per_block = { 8, 0, 0 }, .block_w = { 2, 0, 0 }, .block_h = { 2, 0, 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 0cd40ebfa1b1..e7e48f1f4a74 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -153,6 +153,20 @@ extern "C" { #define DRM_FORMAT_AYUV fourcc_code('A', 'Y', 'U', 'V') /* [31:0] A:Y:Cb:Cr 8:8:8:8 little endian */ /* + * packed YCbCr420 2x2 tiled formats + * first 64 bits will contain Y,Cb,Cr components for a 2x2 tile + */ +/* [63:0] A3:A2:Y3:0:Cr0:0:Y2:0:A1:A0:Y1:0:Cb0:0:Y0:0 1:1:8:2:8:2:8:2:1:1:8:2:8:2:8:2 little endian */ +#define DRM_FORMAT_Y0L0 fourcc_code('Y', '0', 'L', '0') +/* [63:0] X3:X2:Y3:0:Cr0:0:Y2:0:X1:X0:Y1:0:Cb0:0:Y0:0 1:1:8:2:8:2:8:2:1:1:8:2:8:2:8:2 little endian */ +#define DRM_FORMAT_X0L0 fourcc_code('X', '0', 'L', '0') + +/* [63:0] A3:A2:Y3:Cr0:Y2:A1:A0:Y1:Cb0:Y0 1:1:10:10:10:1:1:10:10:10 little endian */ +#define DRM_FORMAT_Y0L2 fourcc_code('Y', '0', 'L', '2') +/* [63:0] X3:X2:Y3:Cr0:Y2:X1:X0:Y1:Cb0:Y0 1:1:10:10:10:1:1:10:10:10 little endian */ +#define DRM_FORMAT_X0L2 fourcc_code('X', '0', 'L', '2') + +/* * 2 plane RGB + A * index 0 = RGB plane, same format as the corresponding non _A8 format has * index 1 = A plane, [7:0] A |