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drm/i915/gvt: correct the reset logic 

The current_vgpu will set to NULL after stopping the scheduler when
the reset is triggered by current vgpu, so here need change the
judgement condition for current vgpu detection.

Signed-off-by: Ping Gao <ping.a.gao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
This commit is contained in:
Ping Gao 2016-10-26 13:36:41 +08:00 committed by Zhenyu Wang
parent 40d2428b3a
commit 0a8b66e3ad
1 changed files with 5 additions and 1 deletions
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6
drivers/gpu/drm/i915/gvt/handlers.c
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@ -239,7 +239,11 @@ static int handle_device_reset(struct intel_vgpu *vgpu, unsigned int offset,
vgpu->resetting = true;
intel_vgpu_stop_schedule(vgpu);
if (scheduler->current_vgpu == vgpu) {
/*
* The current_vgpu will set to NULL after stopping the
* scheduler when the reset is triggered by current vgpu.
*/
if (scheduler->current_vgpu == NULL) {
mutex_unlock(&vgpu->gvt->lock);
intel_gvt_wait_vgpu_idle(vgpu);
mutex_lock(&vgpu->gvt->lock);