tjh.dev
Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: MIT */
2/* Copyright © 2025 Intel Corporation */
3
4#ifndef __INTEL_DISPLAY_UTILS__
5#define __INTEL_DISPLAY_UTILS__
6
7#include <linux/bug.h>
8#include <linux/types.h>
9
10struct intel_display;
11
12#define MISSING_CASE(x) WARN(1, "Missing case (%s == %ld)\n", \
13 __stringify(x), (long)(x))
14
15#define fetch_and_zero(ptr) ({ \
16 typeof(*ptr) __T = *(ptr); \
17 *(ptr) = (typeof(*ptr))0; \
18 __T; \
19})
20
21#define KHz(x) (1000 * (x))
22#define MHz(x) KHz(1000 * (x))
23
24bool intel_display_run_as_guest(struct intel_display *display);
25bool intel_display_vtd_active(struct intel_display *display);
26
27#endif /* __INTEL_DISPLAY_UTILS__ */