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Diffstat (limited to 'Documentation/media/uapi/v4l/pixfmt-reserved.rst')
| -rw-r--r-- | Documentation/media/uapi/v4l/pixfmt-reserved.rst | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/Documentation/media/uapi/v4l/pixfmt-reserved.rst b/Documentation/media/uapi/v4l/pixfmt-reserved.rst index 38af1472a4b4..0c399858bda2 100644 --- a/Documentation/media/uapi/v4l/pixfmt-reserved.rst +++ b/Documentation/media/uapi/v4l/pixfmt-reserved.rst @@ -243,7 +243,20 @@ please make a proposal on the linux-media mailing list. It is an opaque intermediate format and the MDP hardware must be used to convert ``V4L2_PIX_FMT_MT21C`` to ``V4L2_PIX_FMT_NV12M``, ``V4L2_PIX_FMT_YUV420M`` or ``V4L2_PIX_FMT_YVU420``. - + * .. _V4L2-PIX-FMT-SUNXI-TILED-NV12: + + - ``V4L2_PIX_FMT_SUNXI_TILED_NV12`` + - 'ST12' + - Two-planar NV12-based format used by the video engine found on Allwinner + (codenamed sunxi) platforms, with 32x32 tiles for the luminance plane + and 32x64 tiles for the chrominance plane. The data in each tile is + stored in linear order, within the tile bounds. Each tile follows the + previous one linearly in memory (from left to right, top to bottom). + + The associated buffer dimensions are aligned to match an integer number + of tiles, resulting in 32-aligned resolutions for the luminance plane + and 16-aligned resolutions for the chrominance plane (with 2x2 + subsampling). .. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}| |