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aaccf0ba7e
Add intel_display_vtd_active() to utils. It's intentional duplication with i915_utils.h i915_vtd_active(), but reduces duplication with xe. Win some, lose some. Reviewed-by: Luca Coelho <luciano.coelho@intel.com> Link: https://patch.msgid.link/e022166af7c67f43904e2d0fc87bc5c13e0f1204.1761146196.git.jani.nikula@intel.com Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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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