diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1751-drm-amd-display-remove-min-reduction-for-abm-2.2-lev.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/1751-drm-amd-display-remove-min-reduction-for-abm-2.2-lev.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1751-drm-amd-display-remove-min-reduction-for-abm-2.2-lev.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1751-drm-amd-display-remove-min-reduction-for-abm-2.2-lev.patch new file mode 100644 index 00000000..5a66201a --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1751-drm-amd-display-remove-min-reduction-for-abm-2.2-lev.patch @@ -0,0 +1,41 @@ +From 154b4570d11ff7a6dbaec35efd8a9dd2d58f0662 Mon Sep 17 00:00:00 2001 +From: Josip Pavic <Josip.Pavic@amd.com> +Date: Thu, 21 Mar 2019 15:04:32 -0400 +Subject: [PATCH 1751/2940] drm/amd/display: remove min reduction for abm 2.2 + level 3 + +[Why] +Image brightness compensation for solid color full screen images is +expected to be optimal for ABM 2.2 at level 3. The min reduction that is +currently being enforced prevents this from being achieved. + +[How] +Remove the min reduction for ABM 2.2 at level 3 + +Signed-off-by: Josip Pavic <Josip.Pavic@amd.com> +Reviewed-by: Anthony Koo <Anthony.Koo@amd.com> +Acked-by: Leo Li <sunpeng.li@amd.com> +--- + drivers/gpu/drm/amd/display/modules/power/power_helpers.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c +index efd386f3ca53..b3810b864676 100644 +--- a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c ++++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c +@@ -43,10 +43,10 @@ static const unsigned char max_reduction_table[13] = { + + /* Possible ABM 2.2 Min Reduction configs from least aggressive to most aggressive + * 0 1 2 3 4 5 6 7 8 9 10 11 12 +- * 100 100 100 100 100 100 100 90.2 85.1 80.0 80.0 75.3 75.3 % ++ * 100 100 100 100 100 100 100 100 100 92.2 83.1 75.3 75.3 % + */ + static const unsigned char min_reduction_table_v_2_2[13] = { +-0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe6, 0xd9, 0xcc, 0xcc, 0xc0, 0xc0}; ++0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xeb, 0xd4, 0xc0, 0xc0}; + + /* Possible ABM 2.2 Max Reduction configs from least aggressive to most aggressive + * 0 1 2 3 4 5 6 7 8 9 10 11 12 +-- +2.17.1 + |