diff options
Diffstat (limited to 'drivers/gpu/drm/lib')
| -rw-r--r-- | drivers/gpu/drm/lib/drm_random.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/lib/drm_random.h | 5 |
2 files changed, 9 insertions, 3 deletions
diff --git a/drivers/gpu/drm/lib/drm_random.c b/drivers/gpu/drm/lib/drm_random.c index 7b12a68c3b54..0e9dba1ef4af 100644 --- a/drivers/gpu/drm/lib/drm_random.c +++ b/drivers/gpu/drm/lib/drm_random.c @@ -1,4 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/bitops.h> +#include <linux/export.h> #include <linux/kernel.h> #include <linux/random.h> #include <linux/slab.h> @@ -6,10 +8,11 @@ #include "drm_random.h" -static inline u32 drm_prandom_u32_max_state(u32 ep_ro, struct rnd_state *state) +u32 drm_prandom_u32_max_state(u32 ep_ro, struct rnd_state *state) { return upper_32_bits((u64)prandom_u32_state(state) * ep_ro); } +EXPORT_SYMBOL(drm_prandom_u32_max_state); void drm_random_reorder(unsigned int *order, unsigned int count, struct rnd_state *state) @@ -28,7 +31,7 @@ unsigned int *drm_random_order(unsigned int count, struct rnd_state *state) { unsigned int *order, i; - order = kmalloc_array(count, sizeof(*order), GFP_TEMPORARY); + order = kmalloc_array(count, sizeof(*order), GFP_KERNEL); if (!order) return order; diff --git a/drivers/gpu/drm/lib/drm_random.h b/drivers/gpu/drm/lib/drm_random.h index a78644bea7f9..9f827260a89d 100644 --- a/drivers/gpu/drm/lib/drm_random.h +++ b/drivers/gpu/drm/lib/drm_random.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __DRM_RANDOM_H__ #define __DRM_RANDOM_H__ @@ -5,7 +6,7 @@ * be transposed to lib/ at the earliest convenience. */ -#include <linux/random.h> +#include <linux/prandom.h> #define DRM_RND_STATE_INITIALIZER(seed__) ({ \ struct rnd_state state__; \ @@ -21,5 +22,7 @@ unsigned int *drm_random_order(unsigned int count, 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__ */ |