[PATCH] drm/rockchip: Require the YTR modifier for AFBC

Daniel Stone daniel at fooishbar.org
Wed Feb 24 12:40:32 UTC 2021


On Tue, 23 Feb 2021 at 21:49, Heiko Stuebner <heiko at sntech.de> wrote:
> On Tue, 11 Aug 2020 16:26:31 -0400, Alyssa Rosenzweig wrote:
> > The AFBC decoder used in the Rockchip VOP assumes the use of the
> > YUV-like colourspace transform (YTR). YTR is lossless for RGB(A)
> > buffers, which covers the RGBA8 and RGB565 formats supported in
> > vop_convert_afbc_format. Use of YTR is signaled with the
> > AFBC_FORMAT_MOD_YTR modifier, which prior to this commit was missing. As
> > such, a producer would have to generate buffers that do not use YTR,
> > which the VOP would erroneously decode as YTR, leading to severe visual
> > corruption.
>
> Applied, thanks!
>
> [1/1] drm/rockchip: Require the YTR modifier for AFBC
>       commit: 0de764474e6e0a74bd75715fed227d82dcda054c

Thanks Heiko!


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