Commit d2896e34 authored by Zhenyu Wang's avatar Zhenyu Wang
Browse files

drm/i915/gvt: move intel iommu detection to intel_gvt_init() 



Prepare to remove detect_host() hook. Move intel iommu detection early
in intel_gvt_init().

Signed-off-by: default avatarZhenyu Wang <zhenyuw@linux.intel.com>
parent 26f837e8

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

+7 −0
Original line number Diff line number Diff line
@@ -77,6 +77,13 @@ int intel_gvt_init_host(void) 
	if (xen_domain() && !xen_initial_domain())

		return -ENODEV;



#ifdef CONFIG_INTEL_IOMMU

	if (intel_iommu_gfx_mapped) {

		gvt_err("Hardware IOMMU compatibility not yet supported, try to boot with intel_iommu=igfx_off\n");

		return -ENODEV;

	}

#endif



	/* Try to load MPT modules for hypervisors */

	if (xen_initial_domain()) {

		/* In Xen dom0 */

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

+0 −6
Original line number Diff line number Diff line
@@ -1276,12 +1276,6 @@ static bool kvmgt_check_guest(void) 
 */

static int kvmgt_detect_host(void)

{

#ifdef CONFIG_INTEL_IOMMU

	if (intel_iommu_gfx_mapped) {

		gvt_err("Hardware IOMMU compatibility not yet supported, try to boot with intel_iommu=igfx_off\n");

		return -ENODEV;

	}

#endif

	return kvmgt_check_guest() ? -ENODEV : 0;

}

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