From: Xiaoguang Chen Date: Mon, 14 Nov 2016 05:28:11 +0000 (+0800) Subject: drm/i915/gvt: clear guest opregion X-Git-Tag: v4.10-rc1~154^2~21^2~39^2~3 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a3614a868fd31b0e3ba670401a651ae89bb527aa;p=karo-tx-linux.git 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 Signed-off-by: Zhenyu Wang --- diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c index 044125c0f407..4f64845d8a4c 100644 --- a/drivers/gpu/drm/i915/gvt/vgpu.c +++ b/drivers/gpu/drm/i915/gvt/vgpu.c @@ -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(