From: Chengzhe Liu Date: Fri, 18 Jun 2021 09:02:55 +0000 (+0800) Subject: drm/amdgpu: Power down VCN and JPEG before disabling SMU features X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=dafff0476d6554a5b84f0d48b99368333de58d5b;p=linux.git drm/amdgpu: Power down VCN and JPEG before disabling SMU features 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 Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index cb375f1beebde..ebe6721428085 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -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;