diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2555-drm-amd-display-change-when-to-set-tap_hardcode_coef.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2555-drm-amd-display-change-when-to-set-tap_hardcode_coef.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2555-drm-amd-display-change-when-to-set-tap_hardcode_coef.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2555-drm-amd-display-change-when-to-set-tap_hardcode_coef.patch new file mode 100644 index 00000000..6041f811 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2555-drm-amd-display-change-when-to-set-tap_hardcode_coef.patch @@ -0,0 +1,39 @@ +From 7f96a7f8dca363f7fa41481e6f4f8ebee8213f98 Mon Sep 17 00:00:00 2001 +From: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> +Date: Thu, 5 Oct 2017 13:32:29 -0400 +Subject: [PATCH 2555/4131] drm/amd/display: change when to set + tap_hardcode_coeff + +Set hardcode_coeff only when BOTH chroma and luma taps are +more than 1 + +without this underscan with h or v set to 0 darkens +the screen (either h or v set to 0, not both) + +Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Acked-by: Harry Wentland <Harry.Wentland@amd.com> +--- + drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c +index 830dbd5..eda6c80 100644 +--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c ++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c +@@ -306,10 +306,10 @@ static void dpp_set_scl_filter( + + h_2tap_hardcode_coef_en = scl_data->taps.h_taps < 3 + && scl_data->taps.h_taps_c < 3 +- && (scl_data->taps.h_taps > 1 || scl_data->taps.h_taps_c > 1); ++ && (scl_data->taps.h_taps > 1 && scl_data->taps.h_taps_c > 1); + v_2tap_hardcode_coef_en = scl_data->taps.v_taps < 3 + && scl_data->taps.v_taps_c < 3 +- && (scl_data->taps.v_taps > 1 || scl_data->taps.v_taps_c > 1); ++ && (scl_data->taps.v_taps > 1 && scl_data->taps.v_taps_c > 1); + + h_2tap_sharp_en = h_2tap_hardcode_coef_en && h_2tap_sharp_factor != 0; + v_2tap_sharp_en = v_2tap_hardcode_coef_en && v_2tap_sharp_factor != 0; +-- +2.7.4 + |