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

Heiko Stuebner heiko at sntech.de
Tue Feb 23 16:49:31 EST 2021


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

Best regards,
-- 
Heiko Stuebner <heiko at sntech.de>



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