From: Eric Bernstein <eric.bernstein@xxxxxxx> [Why] Update FMT_CONTROL settings based on HW spec [How] Update FMT settings for 4:2:0 Signed-off-by: Eric Bernstein <eric.bernstein@xxxxxxx> Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx> --- drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c | 9 ++++++++- drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.h | 2 ++ 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c index 5838a11efd00..71e9288d60ed 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c @@ -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; diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.h index 2c0ecfa5a643..c87de68a509e 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.h +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.h @@ -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), \ -- 2.43.0
