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Diffstat (limited to 'drivers/gpu/drm/lib')
-rw-r--r--drivers/gpu/drm/lib/drm_random.c4
-rw-r--r--drivers/gpu/drm/lib/drm_random.h4
2 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/lib/drm_random.c b/drivers/gpu/drm/lib/drm_random.c
index eeb155826d27..0e9dba1ef4af 100644
--- a/drivers/gpu/drm/lib/drm_random.c
+++ b/drivers/gpu/drm/lib/drm_random.c
@@ -1,5 +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>
@@ -7,10 +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)
diff --git a/drivers/gpu/drm/lib/drm_random.h b/drivers/gpu/drm/lib/drm_random.h
index 4a3e94dfa0c0..9f827260a89d 100644
--- a/drivers/gpu/drm/lib/drm_random.h
+++ b/drivers/gpu/drm/lib/drm_random.h
@@ -6,7 +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__; \
@@ -22,5 +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__ */