drm_utils.h

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/* 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;
    bool force_pwm;
};
 
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