33 lines
681 B
C
33 lines
681 B
C
// SPDX-License-Identifier: MIT
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/* Copyright © 2025 Intel Corporation */
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#include <linux/device.h>
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#include <drm/drm_device.h>
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#ifdef CONFIG_X86
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#include <asm/hypervisor.h>
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#endif
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#include "intel_display_core.h"
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#include "intel_display_utils.h"
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bool intel_display_run_as_guest(struct intel_display *display)
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{
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#if IS_ENABLED(CONFIG_X86)
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return !hypervisor_is_type(X86_HYPER_NATIVE);
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#else
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/* Not supported yet */
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return false;
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#endif
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}
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bool intel_display_vtd_active(struct intel_display *display)
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{
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if (device_iommu_mapped(display->drm->dev))
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return true;
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/* Running as a guest, we assume the host is enforcing VT'd */
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return intel_display_run_as_guest(display);
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}
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