Files
cubelinux-kernel/drivers/gpu/drm/lib/drm_random.h
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

29 lines
796 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/prandom.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);
u32 drm_prandom_u32_max_state(u32 ep_ro,
struct rnd_state *state);
#endif /* !__DRM_RANDOM_H__ */