KVM-Nyx-fork/drivers/gpu/drm/lib/drm_random.h
David Venhoff cfcea9ee67 Initial commit
Based off b80915eb99
and compacted into a single commit so that it will fit on the uni git server
2025-08-11 13:05:09 +02:00

27 lines
719 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __DRM_RANDOM_H__
#define __DRM_RANDOM_H__
/* This is a temporary home for a couple of utility functions that should
* be transposed to lib/ at the earliest convenience.
*/
#include <linux/random.h>
#define DRM_RND_STATE_INITIALIZER(seed__) ({ \
struct rnd_state state__; \
prandom_seed_state(&state__, (seed__)); \
state__; \
})
#define DRM_RND_STATE(name__, seed__) \
struct rnd_state name__ = DRM_RND_STATE_INITIALIZER(seed__)
unsigned int *drm_random_order(unsigned int count,
struct rnd_state *state);
void drm_random_reorder(unsigned int *order,
unsigned int count,
struct rnd_state *state);
#endif /* !__DRM_RANDOM_H__ */