freedreno: fix off-by-one error in BEGIN_RING()

Signed-off-by: Rob Clark <robdclark@gmail.com>

diff --git a/src/gallium/drivers/freedreno/freedreno_util.h b/src/gallium/drivers/freedreno/freedreno_util.h
index 30e3c6a735fef456a57f94f414fc2c338206e148..6b9da6753009ade1dc799e86e05a1bce37dbbd6f 100644 (file)
--- a/src/gallium/drivers/freedreno/freedreno_util.h
+++ b/src/gallium/drivers/freedreno/freedreno_util.h
@@ -274,7 +274,7 @@ OUT_RB(struct fd_ringbuffer *ring, struct fd_ringbuffer *target)
 
 static inline void BEGIN_RING(struct fd_ringbuffer *ring, uint32_t ndwords)
 {
-       if (ring->cur + ndwords >= ring->end)
+       if (ring->cur + ndwords > ring->end)
                fd_ringbuffer_grow(ring, ndwords);
 }