diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/0573-drm-amdgpu-powerplay-fix-mclk-switch-limit-on-polari.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/0573-drm-amdgpu-powerplay-fix-mclk-switch-limit-on-polari.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0573-drm-amdgpu-powerplay-fix-mclk-switch-limit-on-polari.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0573-drm-amdgpu-powerplay-fix-mclk-switch-limit-on-polari.patch new file mode 100644 index 00000000..4eb28f60 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0573-drm-amdgpu-powerplay-fix-mclk-switch-limit-on-polari.patch @@ -0,0 +1,34 @@ +From 66e096e51a9c49e99b41199b49d9ef3dbdf344e6 Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Thu, 29 Nov 2018 19:20:28 -0500 +Subject: [PATCH 0573/2940] drm/amdgpu/powerplay: fix mclk switch limit on + polaris + +Update switch limit on newer polaris variants. This may fix +flickering with high refresh rates with mclk switching enabled. + +Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 5 ++++- + 1 file changed, 4 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +index 6c99cbf51c08..32344869a3fd 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +@@ -2859,7 +2859,10 @@ static int smu7_vblank_too_short(struct pp_hwmgr *hwmgr, + case CHIP_POLARIS10: + case CHIP_POLARIS11: + case CHIP_POLARIS12: +- switch_limit_us = data->is_memory_gddr5 ? 190 : 150; ++ if (hwmgr->is_kicker) ++ switch_limit_us = data->is_memory_gddr5 ? 450 : 150; ++ else ++ switch_limit_us = data->is_memory_gddr5 ? 190 : 150; + break; + case CHIP_VEGAM: + switch_limit_us = 30; +-- +2.17.1 + |