xref: /linux/drivers/gpu/drm/xe/display/ext/i915_utils.c (revision 4b660dbd9ee2059850fd30e0df420ca7a38a1856)
1 // SPDX-License-Identifier: MIT
2 /*
3  * Copyright © 2023 Intel Corporation
4  */
5 
6 #include "i915_drv.h"
7 
8 bool i915_vtd_active(struct drm_i915_private *i915)
9 {
10 	if (device_iommu_mapped(i915->drm.dev))
11 		return true;
12 
13 	/* Running as a guest, we assume the host is enforcing VT'd */
14 	return i915_run_as_guest();
15 }
16 
17 #if IS_ENABLED(CONFIG_DRM_I915_DEBUG)
18 
19 /* i915 specific, just put here for shutting it up */
20 int __i915_inject_probe_error(struct drm_i915_private *i915, int err,
21 			      const char *func, int line)
22 {
23 	return 0;
24 }
25 
26 #endif
27