drm/amd/display: Remove 4:2:2 DSC support (cf718049) · Commits · 戴 / test

[why] If DSC is available, a higher picture quality is achieved by using DSC with 4:4:4 format. Using 4:2:2 instead does not offer any benefit and would only introduce loss of quality. Removing it reduces maintenance and testing effort. Signed-off-by:

Nikola Cornij <nikola.cornij@amd.com> Reviewed-by:

Jun Lei <Jun.Lei@amd.com> Acked-by:

Leo Li <sunpeng.li@amd.com> Signed-off-by:

Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dsc.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -118,8 +118,8 @@ static void dsc2_get_enc_caps(struct dsc_enc_caps *dsc_enc_caps, int pixel_clock

		dsc_enc_caps->color_formats.bits.RGB = 1;
		dsc_enc_caps->color_formats.bits.YCBCR_444 = 1;
		dsc_enc_caps->color_formats.bits.YCBCR_SIMPLE_422 = 1;
		dsc_enc_caps->color_formats.bits.YCBCR_NATIVE_422 = 1;
		dsc_enc_caps->color_formats.bits.YCBCR_SIMPLE_422 = 0;
		dsc_enc_caps->color_formats.bits.YCBCR_NATIVE_422 = 0;
		dsc_enc_caps->color_formats.bits.YCBCR_NATIVE_420 = 1;

		dsc_enc_caps->color_depth.bits.COLOR_DEPTH_8_BPC = 1;

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