xref: /linux/drivers/gpu/drm/xe/display/ext/i915_utils.c (revision 43f06e8165c4f6e16ab32ede845171ac66d4eaaa)
1 // SPDX-License-Identifier: MIT
2 /*
3  * Copyright © 2023 Intel Corporation
4  */
5 
6 #include "i915_drv.h"
7 #include "i915_utils.h"
8 
9 bool i915_vtd_active(struct drm_i915_private *i915)
10 {
11 	if (device_iommu_mapped(i915->drm.dev))
12 		return true;
13 
14 	/* Running as a guest, we assume the host is enforcing VT'd */
15 	return i915_run_as_guest();
16 }
17 
18 #if IS_ENABLED(CONFIG_DRM_I915_DEBUG)
19 
20 /* i915 specific, just put here for shutting it up */
21 int __i915_inject_probe_error(struct drm_i915_private *i915, int err,
22 			      const char *func, int line)
23 {
24 	return 0;
25 }
26 
27 #endif
28