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| author |   Evan Quan <evan.quan@amd.com> | 2019-01-17 17:48:30 +0800 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2019-01-25 16:15:35 -0500 |
| commit | a0e4fa2f2889c2d02448a9c20d3f24f2fd13e01c (patch) | |
| tree | 975916f31f2e5dcdeaa08d7e34bc7fb11c256190 /drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c | |
| parent | drm/amdgpu: add flags to emit_ib interface v2 (diff) | |
| download | linux-dev-a0e4fa2f2889c2d02448a9c20d3f24f2fd13e01c.tar.xz linux-dev-a0e4fa2f2889c2d02448a9c20d3f24f2fd13e01c.zip | |
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>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c | 3 |
1 files changed, 2 insertions, 1 deletions
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) { |