Commit 68c14b31 authored by Eric Bernstein's avatar Eric Bernstein Committed by Alex Deucher
Browse files

drm/amd/display: Update FMT settings for 4:2:0 



[Why] Update FMT_CONTROL settings based on HW spec
[How] Update FMT settings for 4:2:0

Reviewed-by: default avatarLeo Li <sunpeng.li@amd.com>
Signed-off-by: default avatarEric Bernstein <eric.bernstein@amd.com>
Reviewed-by: default avatarRodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent f7c161a4

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c

+8 −1
Original line number Diff line number Diff line
@@ -168,6 +168,10 @@ static void opp1_set_pixel_encoding( 


	case PIXEL_ENCODING_RGB:

	case PIXEL_ENCODING_YCBCR444:

		REG_UPDATE_3(FMT_CONTROL,

				FMT_PIXEL_ENCODING, 0,

				FMT_SUBSAMPLING_MODE, 0,

				FMT_CBCR_BIT_REDUCTION_BYPASS, 0);

		REG_UPDATE(FMT_CONTROL, FMT_PIXEL_ENCODING, 0);

		break;

	case PIXEL_ENCODING_YCBCR422:
@@ -177,7 +181,10 @@ static void opp1_set_pixel_encoding( 
				FMT_CBCR_BIT_REDUCTION_BYPASS, 0);

		break;

	case PIXEL_ENCODING_YCBCR420:

		REG_UPDATE(FMT_CONTROL, FMT_PIXEL_ENCODING, 2);

		REG_UPDATE_3(FMT_CONTROL,

				FMT_PIXEL_ENCODING, 2,

				FMT_SUBSAMPLING_MODE, 2,

				FMT_CBCR_BIT_REDUCTION_BYPASS, 1);

		break;

	default:

		break;

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.h

+2 −0
Original line number Diff line number Diff line
@@ -79,6 +79,8 @@ 
	OPP_SF(FMT0_FMT_CONTROL, FMT_SPATIAL_DITHER_FRAME_COUNTER_MAX, mask_sh), \

	OPP_SF(FMT0_FMT_CONTROL, FMT_SPATIAL_DITHER_FRAME_COUNTER_BIT_SWAP, mask_sh), \

	OPP_SF(FMT0_FMT_CONTROL, FMT_PIXEL_ENCODING, mask_sh), \

	OPP_SF(FMT0_FMT_CONTROL, FMT_SUBSAMPLING_MODE, mask_sh), \

	OPP_SF(FMT0_FMT_CONTROL, FMT_CBCR_BIT_REDUCTION_BYPASS, mask_sh), \

	OPP_SF(FMT0_FMT_CONTROL, FMT_STEREOSYNC_OVERRIDE, mask_sh), \

	OPP_SF(FMT0_FMT_DITHER_RAND_R_SEED, FMT_RAND_R_SEED, mask_sh), \

	OPP_SF(FMT0_FMT_DITHER_RAND_G_SEED, FMT_RAND_G_SEED, mask_sh), \