Re: [PATCH v6 21/30] drm/rockchip: pre dither down when output bpc is 8bit

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[PATCH v6 21/30] drm/rockchip: pre dither down when output bpc is 8bit

From: Mark Yao Some encoder have a crc verification check, crc check fail if input and output data is not equal. That means encoder input and output need use same color depth, vop can output 10bit data to encoder, but some panel only support 8bit depth, that would make