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Commit e160e4db authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu: fix tonga smu resume 



Need to make sure smu buffers are pinned on resume.  This
matches what Fiji does.

Cc: stable@vger.kernel.org
Reviewed-by: default avatarJunwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarKen Wang <Qingqing.Wang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent e9c5e740

drivers/gpu/drm/amd/amdgpu/tonga_dpm.c

+2 −15
Original line number Diff line number Diff line
@@ -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,