diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/cz_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/cz_dpm.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/cz_dpm.c b/drivers/gpu/drm/amd/amdgpu/cz_dpm.c index f275b5d2d060..131b4733b112 100644 --- a/drivers/gpu/drm/amd/amdgpu/cz_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/cz_dpm.c @@ -1230,7 +1230,10 @@ static int cz_dpm_hw_init(void *handle) mutex_lock(&adev->pm.mutex); - /* init smc in dpm hw init */ + /* smu init only needs to be called at startup, not resume. + * It should be in sw_init, but requires the fw info gathered + * in sw_init from other IP modules. + */ ret = cz_smu_init(adev); if (ret) { DRM_ERROR("amdgpu: smc initialization failed\n"); @@ -1297,6 +1300,10 @@ static int cz_dpm_hw_fini(void *handle) mutex_lock(&adev->pm.mutex); + /* smu fini only needs to be called at teardown, not suspend. + * It should be in sw_fini, but we put it here for symmetry + * with smu init. + */ cz_smu_fini(adev); if (adev->pm.dpm_enabled) { @@ -1340,12 +1347,6 @@ static int cz_dpm_resume(void *handle) struct amdgpu_device *adev = (struct amdgpu_device *)handle; mutex_lock(&adev->pm.mutex); - ret = cz_smu_init(adev); - if (ret) { - DRM_ERROR("amdgpu: smc resume failed\n"); - mutex_unlock(&adev->pm.mutex); - return ret; - } /* do the actual fw loading */ ret = cz_smu_start(adev); |