diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3425-drm-amd-display-Remove-4-2-2-DSC-support.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3425-drm-amd-display-Remove-4-2-2-DSC-support.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3425-drm-amd-display-Remove-4-2-2-DSC-support.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3425-drm-amd-display-Remove-4-2-2-DSC-support.patch new file mode 100644 index 00000000..bbec6a79 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3425-drm-amd-display-Remove-4-2-2-DSC-support.patch @@ -0,0 +1,36 @@ +From 4b90aaeb56103bf80223315964d1ce1b79422a9c Mon Sep 17 00:00:00 2001 +From: Nikola Cornij <nikola.cornij@amd.com> +Date: Tue, 23 Jul 2019 16:38:02 -0400 +Subject: [PATCH 3425/4256] drm/amd/display: Remove 4:2:2 DSC support + +[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> +--- + drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dsc.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dsc.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dsc.c +index e4d184cdea82..14270a98c96d 100644 +--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dsc.c ++++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dsc.c +@@ -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; +-- +2.17.1 + |