On Fri, Jun 21, 2019 at 11:21:08AM +0100, Raymond Smith wrote:
> Add the DRM_FORMAT_MOD_ARM_16X16_BLOCK_U_INTERLEAVED modifier to
> denote the 16x16 block u-interleaved format used in Arm Utgard and
> Midgard GPUs.
>
> Signed-off-by: Raymond Smith <raymond.smith@xxxxxxx>
Reviewed-by: Brian Starkey <brian.starkey@xxxxxxx>
Thanks for chasing this down!
> ---
> include/uapi/drm/drm_fourcc.h | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
> index 3feeaa3..8ed7ecf 100644
> --- a/include/uapi/drm/drm_fourcc.h
> +++ b/include/uapi/drm/drm_fourcc.h
> @@ -743,6 +743,16 @@ extern "C" {
> #define AFBC_FORMAT_MOD_BCH (1ULL << 11)
>
> /*
> + * Arm 16x16 Block U-Interleaved modifier
> + *
> + * This is used by Arm Mali Utgard and Midgard GPUs. It divides the image
> + * into 16x16 pixel blocks. Blocks are stored linearly in order, but pixels
> + * in the block are reordered.
> + */
> +#define DRM_FORMAT_MOD_ARM_16X16_BLOCK_U_INTERLEAVED \
> + fourcc_mod_code(ARM, ((1ULL << 55) | 1))
> +
> +/*
> * Allwinner tiled modifier
> *
> * This tiling mode is implemented by the VPU found on all Allwinner platforms,
> --
> 2.7.4
>
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