mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2026-04-06 22:49:15 +08:00
6eee1ef9e5
Currently, the brightness quirk is limited to minimum brightness only. Refactor it to a structure, so that more quirks can be added in the future. Reserve 0 value for "no quirk", and use u16 to allow minimum brightness up to 255. Tested-by: Philip Müller <philm@manjaro.org> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Antheas Kapenekakis <lkml@antheas.dev> Link: https://lore.kernel.org/r/20250829145541.512671-3-lkml@antheas.dev Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org>
29 lines
684 B
C
29 lines
684 B
C
/* 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;
|
|
};
|
|
|
|
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
|