forked from mirrors/linux
92937f170d
- add a test to check the range allocation - export get_buddy() function in drm_buddy.c - export drm_prandom_u32_max_state() in lib/drm_random.c - include helper functions - include prime number header file v2: - add drm_get_buddy() function description (Matthew Auld) - removed unnecessary test succeeded print Signed-off-by: Arunpravin <Arunpravin.PaneerSelvam@amd.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Acked-by: Christian König <christian.koenig@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220222174845.2175-3-Arunpravin.PaneerSelvam@amd.com Signed-off-by: Christian König <christian.koenig@amd.com>
28 lines
795 B
C
28 lines
795 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/random.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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