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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: Junwei Zhang <Jerry.Zhang@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Ken Wang <Qingqing.Wang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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1 changed files with 2 additions and 15 deletions
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@ -122,25 +122,12 @@ static int tonga_dpm_hw_fini(void *handle)
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static int tonga_dpm_suspend(void *handle)
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{
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return 0;
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return tonga_dpm_hw_fini(handle);
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}
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static int tonga_dpm_resume(void *handle)
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{
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int ret;
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struct amdgpu_device *adev = (struct amdgpu_device *)handle;
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mutex_lock(&adev->pm.mutex);
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ret = tonga_smu_start(adev);
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if (ret) {
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DRM_ERROR("SMU start failed\n");
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goto fail;
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}
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fail:
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mutex_unlock(&adev->pm.mutex);
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return ret;
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return tonga_dpm_hw_init(handle);
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}
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static int tonga_dpm_set_clockgating_state(void *handle,
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