// SPDX-License-Identifier: GPL-2.0-only #include <linux/export.h>#include <linux/limits.h>#include <linux/minmax.h>#include <linux/module.h> #include <drm/drm_print.h> #include "drm_sysfb_helper.h" int drm_sysfb_get_validated_int(struct drm_device *dev, const char *name,				u64 value, u32 max){	if (value > min(max, INT_MAX)) {		drm_warn(dev, "%s of %llu exceeds maximum of %u\n", name, value, max);		return -EINVAL;	}	return value;}EXPORT_SYMBOL(drm_sysfb_get_validated_int); int drm_sysfb_get_validated_int0(struct drm_device *dev, const char *name,				 u64 value, u32 max){	if (!value) {		drm_warn(dev, "%s of 0 not allowed\n", name);		return -EINVAL;	}	return drm_sysfb_get_validated_int(dev, name, value, max);}EXPORT_SYMBOL(drm_sysfb_get_validated_int0); const struct drm_format_info *drm_sysfb_get_format(struct drm_device *dev,						   const struct drm_sysfb_format *formats,						   size_t nformats,						   const struct pixel_format *pixel){	const struct drm_format_info *format = NULL;	size_t i; 	for (i = 0; i < nformats; ++i) {		const struct drm_sysfb_format *f = &formats[i]; 		if (pixel_format_equal(pixel, &f->pixel)) {			format = drm_format_info(f->fourcc);			break;		}	} 	if (!format)		drm_warn(dev, "No compatible color format found\n"); 	return format;}EXPORT_SYMBOL(drm_sysfb_get_format); MODULE_DESCRIPTION("Helpers for DRM sysfb drivers");MODULE_LICENSE("GPL");