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drm/amdgpu: Power down VCN and JPEG before disabling SMU features

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When unloading driver, if VCN is powered on, sending message
DisableAllSmuFeatures to SMU will cause SMU hang. We need to
power down VCN and JPEG before clean up SMU.

Signed-off-by: Chengzhe Liu <ChengZhe.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Chengzhe Liu
2021-06-18 17:02:55 +08:00
committed by Alex Deucher
parent a51482458d
commit dafff0476d
1 changed files with 6 additions and 2 deletions
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8
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
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@@ -1453,10 +1453,14 @@ static int smu_hw_fini(void *handle)
if (smu->is_apu) {
smu_powergate_sdma(&adev->smu, true);
smu_dpm_set_vcn_enable(smu, false);
smu_dpm_set_jpeg_enable(smu, false);
}
smu_dpm_set_vcn_enable(smu, false);
smu_dpm_set_jpeg_enable(smu, false);
adev->vcn.cur_state = AMD_PG_STATE_GATE;
adev->jpeg.cur_state = AMD_PG_STATE_GATE;
if (!smu->pm_enabled)
return 0;