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| author |   Rob Clark <robdclark@chromium.org> | 2021-09-04 10:06:03 -0700 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2022-04-21 14:57:13 -0700 |
| commit | 651877176c0846616add00f50b719ea6d59dff8d (patch) | |
| tree | f8cd53902baa8b94d0ad743ea9bc2885ff28cc76 /include/uapi/drm | |
| parent | Linux 5.18-rc2 (diff) | |
| download | linux-dev-651877176c0846616add00f50b719ea6d59dff8d.tar.xz linux-dev-651877176c0846616add00f50b719ea6d59dff8d.zip | |
drm/fourcc: Add QCOM tiled modifiers
These are mainly used internally in mesa, although I believe the display
should be able to scan out the TILED3 format. Currently we define this
modifier internally in mesa for use with modifier based allocation. But
we can get rid of that hack if we define the modfiers properly.
Signed-off-by: Rob Clark <robdclark@chromium.org>
Link: https://lore.kernel.org/r/20210904170603.1739137-1-robdclark@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'include/uapi/drm')
| -rw-r--r-- | include/uapi/drm/drm_fourcc.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index fc0c1454d275..4bdf8dded9e7 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -609,6 +609,28 @@ extern "C" { */ #define DRM_FORMAT_MOD_QCOM_COMPRESSED fourcc_mod_code(QCOM, 1) +/* + * Qualcomm Tiled Format + * + * Similar to DRM_FORMAT_MOD_QCOM_COMPRESSED but not compressed. + * Implementation may be platform and base-format specific. + * + * Each macrotile consists of m x n (mostly 4 x 4) tiles. + * Pixel data pitch/stride is aligned with macrotile width. + * Pixel data height is aligned with macrotile height. + * Entire pixel data buffer is aligned with 4k(bytes). + */ +#define DRM_FORMAT_MOD_QCOM_TILED3 fourcc_mod_code(QCOM, 3) + +/* + * Qualcomm Alternate Tiled Format + * + * Alternate tiled format typically only used within GMEM. + * Implementation may be platform and base-format specific. + */ +#define DRM_FORMAT_MOD_QCOM_TILED2 fourcc_mod_code(QCOM, 2) + + /* Vivante framebuffer modifiers */ /* |