Hi Ben,
On 26 July 2017 at 19:07, Ben Widawsky <[email protected]> wrote:
> v2: Drop the 'dev' argument from the hook
> v3: Include the description of the CCS surface layout
This went missing. Vidya's patch has it though.
> +static const struct drm_format_info ccs_formats[] = {
> + { .format = DRM_FORMAT_XRGB8888, .depth = 24, .num_planes = 2, .cpp =
> { 4, 1, }, .hsub = 16, .vsub = 8, },
> + { .format = DRM_FORMAT_XBGR8888, .depth = 24, .num_planes = 2, .cpp =
> { 4, 1, }, .hsub = 16, .vsub = 8, },
> + { .format = DRM_FORMAT_ARGB8888, .depth = 32, .num_planes = 2, .cpp =
> { 4, 1, }, .hsub = 16, .vsub = 8, },
> + { .format = DRM_FORMAT_ABGR8888, .depth = 32, .num_planes = 2, .cpp =
> { 4, 1, }, .hsub = 16, .vsub = 8, },
Mind you, this is backwards from Vidya's patch, in which CCS is
described as 8x16 subsampled rather than 16x8. I think yours is
correct though.
Cheers,
Daniel
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