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drm/i915/gvt: clear guest opregion 

Since there's no opregion in vgpu so clear the opregion bits in case
guest access it.

Signed-off-by: Xiaoguang Chen <xiaoguang.chen@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
This commit is contained in:
Xiaoguang Chen 2016-11-14 13:28:11 +08:00 committed by Zhenyu Wang
parent a045fba47d
commit a3614a868f
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/i915/gvt/vgpu.c
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@ -99,6 +99,7 @@ static void setup_vgpu_cfg_space(struct intel_vgpu *vgpu,
*/
memset(vgpu_cfg_space(vgpu) + PCI_BASE_ADDRESS_1, 0, 4);
memset(vgpu_cfg_space(vgpu) + PCI_BASE_ADDRESS_3, 0, 4);
memset(vgpu_cfg_space(vgpu) + INTEL_GVT_PCI_OPREGION, 0, 4);
for (i = 0; i < INTEL_GVT_MAX_BAR_NUM; i++) {
vgpu->cfg_space.bar[i].size = pci_resource_len(