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drm/i915/gvt: take runtime pm when do early scan and shadow 

Need to take runtime pm when do early scan/shadow of workload
for request operations.

Fixes: 7fa56bd159bc ("drm/i915/gvt: Audit and shadow workload during ELSP writing")
Cc: Ping Gao <ping.a.gao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
This commit is contained in:
Zhenyu Wang 2017-07-10 14:13:12 +08:00
parent 64d8bb83b6
commit 73821a53d0
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/i915/gvt/execlist.c
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@ -707,9 +707,11 @@ static int submit_context(struct intel_vgpu *vgpu, int ring_id,
* as there is only one pre-allocated buf-obj for shadow.
*/
if (list_empty(workload_q_head(vgpu, ring_id))) {
intel_runtime_pm_get(dev_priv);
mutex_lock(&dev_priv->drm.struct_mutex);
intel_gvt_scan_and_shadow_workload(workload);
mutex_unlock(&dev_priv->drm.struct_mutex);
intel_runtime_pm_put(dev_priv);
}
queue_workload(workload);