From: Zhenyu Wang <zhenyuw@linux.intel.com>
Date: Mon, 10 Jul 2017 06:13:12 +0000 (+0800)
Subject: drm/i915/gvt: take runtime pm when do early scan and shadow
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=73821a53d081de30368262198793e891fbd7318d;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

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>
---

diff --git a/drivers/gpu/drm/i915/gvt/execlist.c b/drivers/gpu/drm/i915/gvt/execlist.c
index 28a2c7e8bee1..33808657988a 100644
--- a/drivers/gpu/drm/i915/gvt/execlist.c
+++ b/drivers/gpu/drm/i915/gvt/execlist.c
@@ -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);