diff options
| author | Ben Davis <ben.davis@arm.com> | 2020-04-30 09:32:20 +0100 |
|---|---|---|
| committer | Liviu Dudau <Liviu.Dudau@arm.com> | 2020-06-19 13:35:24 +0100 |
| commit | 79ce058032c391b12af928b1e30abf92482a270f (patch) | |
| tree | f5e8871187983f070d41e968a1da044f5442178d /include/uapi/drm | |
| parent | 94b292b277343190175d39172c903c0c5fb814f1 (diff) | |
drm: drm_fourcc: Add uncompressed AFBC modifier
AFBC has a mode that guarantees use of AFBC with an uncompressed
payloads, we add a new modifier to support this mode.
V2: updated modifier comment
Signed-off-by: Ben Davis <ben.davis@arm.com>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200430083220.17347-1-ben.davis@arm.com
Diffstat (limited to 'include/uapi/drm')
| -rw-r--r-- | include/uapi/drm/drm_fourcc.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index 3c4055e48371..299f9ac4840b 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -808,6 +808,18 @@ extern "C" { */ #define AFBC_FORMAT_MOD_BCH (1ULL << 11) +/* AFBC uncompressed storage mode + * + * Indicates that the buffer is using AFBC uncompressed storage mode. + * In this mode all superblock payloads in the buffer use the uncompressed + * storage mode, which is usually only used for data which cannot be compressed. + * The buffer layout is the same as for AFBC buffers without USM set, this only + * affects the storage mode of the individual superblocks. Note that even a + * buffer without USM set may use uncompressed storage mode for some or all + * superblocks, USM just guarantees it for all. + */ +#define AFBC_FORMAT_MOD_USM (1ULL << 12) + /* * Arm 16x16 Block U-Interleaved modifier * |