Merge branch 'idle.2013.09.25a' of git://git.kernel.org/pub/scm/linux/kernel/git...

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / gpu / drm / radeon / radeon_ring.c

diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index 46a25f0..18254e1 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -839,9 +839,11 @@ static int radeon_debugfs_ring_info(struct seq_file *m, void *data)
         * packet that is the root issue
         */
        i = (ring->rptr + ring->ptr_mask + 1 - 32) & ring->ptr_mask;
-       for (j = 0; j <= (count + 32); j++) {
-               seq_printf(m, "r[%5d]=0x%08x\n", i, ring->ring[i]);
-               i = (i + 1) & ring->ptr_mask;
+       if (ring->ready) {
+               for (j = 0; j <= (count + 32); j++) {
+                       seq_printf(m, "r[%5d]=0x%08x\n", i, ring->ring[i]);
+                       i = (i + 1) & ring->ptr_mask;
+               }
        }
        return 0;
 }