| 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 | |
| 10 | struct intel_display; |
| 11 | |
| 12 | #ifndef MISSING_CASE |
| 13 | #define MISSING_CASE(x) WARN(1, "Missing case (%s == %ld)\n", \ |
| 14 | __stringify(x), (long)(x)) |
| 15 | #endif |
| 16 | |
| 17 | #ifndef fetch_and_zero |
| 18 | #define fetch_and_zero(ptr) ({ \ |
| 19 | typeof(*ptr) __T = *(ptr); \ |
| 20 | *(ptr) = (typeof(*ptr))0; \ |
| 21 | __T; \ |
| 22 | }) |
| 23 | #endif |
| 24 | |
| 25 | #define KHz(x) (1000 * (x)) |
| 26 | #define MHz(x) KHz(1000 * (x)) |
| 27 | |
| 28 | bool intel_display_run_as_guest(struct intel_display *display); |
| 29 | bool intel_display_vtd_active(struct intel_display *display); |
| 30 | |
| 31 | #endif /* __INTEL_DISPLAY_UTILS__ */ |
| 32 | |