4.4-stable review patch. If anyone has any objections, please let me know.
------------------ From: Alex Deucher <[email protected]> commit e160e4db833c7e8587ec3c88efaed0d84f1bcf42 upstream. Need to make sure smu buffers are pinned on resume. This matches what Fiji does. Reviewed-by: Junwei Zhang <[email protected]> Reviewed-by: Christian König <[email protected]> Reviewed-by: Ken Wang <[email protected]> Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/gpu/drm/amd/amdgpu/tonga_dpm.c | 17 ++--------------- 1 file changed, 2 insertions(+), 15 deletions(-) --- a/drivers/gpu/drm/amd/amdgpu/tonga_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/tonga_dpm.c @@ -122,25 +122,12 @@ static int tonga_dpm_hw_fini(void *handl static int tonga_dpm_suspend(void *handle) { - return 0; + return tonga_dpm_hw_fini(handle); } static int tonga_dpm_resume(void *handle) { - int ret; - struct amdgpu_device *adev = (struct amdgpu_device *)handle; - - mutex_lock(&adev->pm.mutex); - - ret = tonga_smu_start(adev); - if (ret) { - DRM_ERROR("SMU start failed\n"); - goto fail; - } - -fail: - mutex_unlock(&adev->pm.mutex); - return ret; + return tonga_dpm_hw_init(handle); } static int tonga_dpm_set_clockgating_state(void *handle,
