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drm/i915/gvt: cancel virtual vblank timer when no vGPU exists

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Stop irq timer for virtual vblank timer emulation if no vGPU exists,
otherwise it will keep gvt service thread busy to handle virtual vblank
but no use.

Reviewed-by: Zhi Wang <zhi.a.wang@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Zhenyu Wang 2018-01-15 16:36:11 +08:00 committed by Rodrigo Vivi
parent 412718a109
commit 14b4434bff
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/i915/gvt/vgpu.c
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@ -258,6 +258,8 @@ void intel_gvt_destroy_vgpu(struct intel_vgpu *vgpu)
intel_gvt_debugfs_remove_vgpu(vgpu);
idr_remove(&gvt->vgpu_idr, vgpu->id);
if (idr_is_empty(&gvt->vgpu_idr))
intel_gvt_clean_irq(gvt);
intel_vgpu_clean_sched_policy(vgpu);
intel_vgpu_clean_submission(vgpu);
intel_vgpu_clean_display(vgpu);