From e160e4db833c7e8587ec3c88efaed0d84f1bcf42 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 14 Jan 2016 13:48:24 -0500 Subject: [PATCH] drm/amdgpu: fix tonga smu resume MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Need to make sure smu buffers are pinned on resume. This matches what Fiji does. Cc: stable@vger.kernel.org Reviewed-by: Junwei Zhang Reviewed-by: Christian König Reviewed-by: Ken Wang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/tonga_dpm.c | 17 ++--------------- 1 file changed, 2 insertions(+), 15 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/tonga_dpm.c b/drivers/gpu/drm/amd/amdgpu/tonga_dpm.c index f4a1346525fe..0497784b3652 100644 --- 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 *handle) 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, -- 2.20.1