From bc04d91127b508a61007613a0d30d0cd38ede3f3 Mon Sep 17 00:00:00 2001 From: Evan Quan 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 Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- 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