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-rw-r--r--sys/dev/drm2/drm_atomic.h8
1 files changed, 3 insertions, 5 deletions
diff --git a/sys/dev/drm2/drm_atomic.h b/sys/dev/drm2/drm_atomic.h
index b901341..b4ef0fb 100644
--- a/sys/dev/drm2/drm_atomic.h
+++ b/sys/dev/drm2/drm_atomic.h
@@ -37,8 +37,8 @@ typedef uint64_t atomic64_t;
#define BITS_TO_LONGS(x) howmany(x, sizeof(long) * NBBY)
-#define atomic_set(p, v) atomic_store_rel_int(p, v)
-#define atomic_read(p) atomic_load_acq_int(p)
+#define atomic_read(p) (*(volatile u_int *)(p))
+#define atomic_set(p, v) do { *(u_int *)(p) = (v); } while (0)
#define atomic_add(v, p) atomic_add_int(p, v)
#define atomic_sub(v, p) atomic_subtract_int(p, v)
@@ -63,9 +63,7 @@ typedef uint64_t atomic64_t;
#define set_bit(b, p) \
atomic_set_int((volatile u_int *)(p) + (b) / 32, 1 << (b) % 32)
#define test_bit(b, p) \
- (atomic_load_acq_int((volatile u_int *)(p) + (b) / 32) & (1 << (b) % 32))
-#define test_and_set_bit(b, p) \
- atomic_testandset_int((volatile u_int *)(p) + (b) / 32, b)
+ ((atomic_read((volatile u_int *)(p) + (b) / 32) & (1 << (b) % 32)) != 0)
static __inline int
find_first_zero_bit(volatile void *p, int max)
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