diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1121-drm-amd-powerplay-avoid-unnecessary-dpm-level-settin.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/1121-drm-amd-powerplay-avoid-unnecessary-dpm-level-settin.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1121-drm-amd-powerplay-avoid-unnecessary-dpm-level-settin.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1121-drm-amd-powerplay-avoid-unnecessary-dpm-level-settin.patch new file mode 100644 index 00000000..df50ea0d --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1121-drm-amd-powerplay-avoid-unnecessary-dpm-level-settin.patch @@ -0,0 +1,33 @@ +From bc04d91127b508a61007613a0d30d0cd38ede3f3 Mon Sep 17 00:00:00 2001 +From: Evan Quan <evan.quan@amd.com> +Date: Thu, 17 Jan 2019 17:48:30 +0800 +Subject: [PATCH 1121/2940] drm/amd/powerplay: avoid unnecessary dpm level + setting + +No dpm level setting is needed when the request level +is actually same as current. + +Signed-off-by: Evan Quan <evan.quan@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c b/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c +index 56437866d120..68f3dcaa8070 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c +@@ -278,7 +278,8 @@ int psm_adjust_power_state_dynamic(struct pp_hwmgr *hwmgr, bool skip, + + phm_notify_smc_display_config_after_ps_adjustment(hwmgr); + +- if (!phm_force_dpm_levels(hwmgr, hwmgr->request_dpm_level)) ++ if ((hwmgr->request_dpm_level != hwmgr->dpm_level) && ++ !phm_force_dpm_levels(hwmgr, hwmgr->request_dpm_level)) + hwmgr->dpm_level = hwmgr->request_dpm_level; + + if (hwmgr->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) { +-- +2.17.1 + |