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authorZhenyu Wang <zhenyuw@linux.intel.com>2018-01-15 11:36:11 +0300
committerRodrigo Vivi <rodrigo.vivi@intel.com>2018-02-01 18:32:08 +0300
commit14b4434bff1aab69f3785bc67276efbff7fffa3d (patch)
tree708c0eafdace6b9acd7e6a140d30e2060e99a212 /drivers/gpu/drm/i915/gvt
parent412718a10926f77052d8107cb3c5d9dbc96cf8c9 (diff)
downloadlinux-14b4434bff1aab69f3785bc67276efbff7fffa3d.tar.xz
drm/i915/gvt: cancel virtual vblank timer when no vGPU exists
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>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt')
-rw-r--r--drivers/gpu/drm/i915/gvt/vgpu.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c
index 4688619f6a1c..a8784fa91289 100644
--- a/drivers/gpu/drm/i915/gvt/vgpu.c
+++ b/drivers/gpu/drm/i915/gvt/vgpu.c
@@ -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);