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>
29 lines
796 B
C
29 lines
796 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __DRM_RANDOM_H__
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#define __DRM_RANDOM_H__
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/* This is a temporary home for a couple of utility functions that should
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* be transposed to lib/ at the earliest convenience.
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*/
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#include <linux/prandom.h>
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#define DRM_RND_STATE_INITIALIZER(seed__) ({ \
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struct rnd_state state__; \
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prandom_seed_state(&state__, (seed__)); \
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state__; \
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})
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#define DRM_RND_STATE(name__, seed__) \
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struct rnd_state name__ = DRM_RND_STATE_INITIALIZER(seed__)
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unsigned int *drm_random_order(unsigned int count,
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struct rnd_state *state);
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void drm_random_reorder(unsigned int *order,
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unsigned int count,
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struct rnd_state *state);
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u32 drm_prandom_u32_max_state(u32 ep_ro,
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struct rnd_state *state);
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#endif /* !__DRM_RANDOM_H__ */
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