diff options
| author | Candice Li <candice.li@amd.com> | 2026-07-21 21:38:58 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-07-28 20:00:49 -0400 |
| commit | f931c54b241ce2f36bfc34955aec43a188276b8d (patch) | |
| tree | cdcd0223ce9ad4c4364865cd6d84c9a98e76d5b3 /drivers/gpu/drm/amd | |
| parent | 8ccb87b1c9be594fc2c36b0a4006a66f08dee1c8 (diff) | |
drm/amdgpu: restore UMD profile pstate after runtime resume
Runtime suspend runs GFX hw_fini and clears perfmon clock gating while
the UMD profile DPM level remains set in software. Re-apply stable
pstate after a successful runtime resume when a profile mode is active.
Signed-off-by: Candice Li <candice.li@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 138531c8850cc247aa12b104bb29ea387bcdcbb1)
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 4c0c77eafbd1..1aed121f4ddb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -2908,6 +2908,19 @@ static int amdgpu_pmops_runtime_suspend(struct device *dev) return 0; } +static void amdgpu_restore_umd_profile_pstate_after_runpm(struct amdgpu_device *adev) +{ + enum amd_dpm_forced_level level; + uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD | + AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK | + AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK | + AMD_DPM_FORCED_LEVEL_PROFILE_PEAK; + + level = amdgpu_dpm_get_performance_level(adev); + if (level & profile_mode_mask) + amdgpu_asic_update_umd_stable_pstate(adev, true); +} + static int amdgpu_pmops_runtime_resume(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); @@ -2952,6 +2965,8 @@ static int amdgpu_pmops_runtime_resume(struct device *dev) if (adev->pm.rpm_mode == AMDGPU_RUNPM_PX) drm_dev->switch_power_state = DRM_SWITCH_POWER_ON; + + amdgpu_restore_umd_profile_pstate_after_runpm(adev); adev->in_runpm = false; return 0; } |