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Commit d1bbef6d authored by Zhenyu Wang's avatar Zhenyu Wang
Browse files

drm/i915/gvt: Fix failure when ACPI is not enabled 



Directly use memremap instead of acpi function for opregion mapping.

Signed-off-by: default avatarZhenyu Wang <zhenyuw@linux.intel.com>
parent 19e6393f

drivers/gpu/drm/i915/gvt/opregion.c

+3 −3
Original line number Diff line number Diff line
@@ -163,7 +163,7 @@ int intel_vgpu_init_opregion(struct intel_vgpu *vgpu, u32 gpa) 
 */

void intel_gvt_clean_opregion(struct intel_gvt *gvt)

{

	iounmap(gvt->opregion.opregion_va);

	memunmap(gvt->opregion.opregion_va);

	gvt->opregion.opregion_va = NULL;

}
@@ -181,8 +181,8 @@ int intel_gvt_init_opregion(struct intel_gvt *gvt) 
	pci_read_config_dword(gvt->dev_priv->drm.pdev, INTEL_GVT_PCI_OPREGION,

			&gvt->opregion.opregion_pa);



	gvt->opregion.opregion_va = acpi_os_ioremap(gvt->opregion.opregion_pa,

			INTEL_GVT_OPREGION_SIZE);

	gvt->opregion.opregion_va = memremap(gvt->opregion.opregion_pa,

					     INTEL_GVT_OPREGION_SIZE, MEMREMAP_WB);

	if (!gvt->opregion.opregion_va) {

		gvt_err("fail to map host opregion\n");

		return -EFAULT;