| /* SPDX-License-Identifier: MIT */ |
| /* |
| * Function prototypes for misc. drm utility functions. |
| * Specifically this file is for function prototypes for functions which |
| * may also be used outside of drm code (e.g. in fbdev drivers). |
| * |
| * Copyright (C) 2017 Hans de Goede <hdegoede@redhat.com> |
| */ |
| |
| #ifndef __DRM_UTILS_H__ |
| #define __DRM_UTILS_H__ |
| |
| #include <linux/types.h> |
| |
| struct drm_edid; |
| |
| int drm_get_panel_orientation_quirk(int width, int height); |
| |
| struct drm_panel_backlight_quirk { |
| u16 min_brightness; |
| u32 brightness_mask; |
| }; |
| |
| const struct drm_panel_backlight_quirk * |
| drm_get_panel_backlight_quirk(const struct drm_edid *edid); |
| |
| signed long drm_timeout_abs_to_jiffies(int64_t timeout_nsec); |
| |
| #endif |
