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drm/amdgpu: restore UMD profile pstate after runtime resume

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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>
This commit is contained in:
Candice Li
2026-07-21 21:38:58 +08:00
committed by Alex Deucher
parent 18bcc49d87
commit 138531c885
1 changed files with 15 additions and 0 deletions
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15
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
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@@ -2920,6 +2920,19 @@ 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);
@@ -2964,6 +2977,8 @@ 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;
}