sna: Fences are power-of-two sizes

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

diff --git a/src/sna/kgem.c b/src/sna/kgem.c
index 0f9b443..ac0f164 100644 (file)
--- a/src/sna/kgem.c
+++ b/src/sna/kgem.c
@@ -3918,7 +3918,7 @@ inline int kgem_bo_fenced_size(struct kgem *kgem, struct kgem_bo *bo)
        else
                size = 1024 * 1024 / PAGE_SIZE;
        while (size < num_pages(bo))
-               size *= 2;
+               size <<= 1;
 
        return size;
 }