Mesa (master): winsys/radeon: use os_wait_until_zero in radeon_bo_set_tiling

[Marek Olšák]

Module: Mesa
Branch: master
Commit: fc2726e4afa6dfb691affed576a38d2b0573465b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=fc2726e4afa6dfb691affed576a38d2b0573465b

Author: Marek Olšák <marek.olsak at amd.com>
Date:   Fri Jun 26 19:01:04 2015 +0200

winsys/radeon: use os_wait_until_zero in radeon_bo_set_tiling

---

 src/gallium/winsys/radeon/drm/radeon_drm_bo.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
index 1f0caf6..314d0ef 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
@@ -778,9 +778,7 @@ static void radeon_bo_set_tiling(struct pb_buffer *_buf,
         cs->flush_cs(cs->flush_data, 0, NULL);
     }
 
-    while (p_atomic_read(&bo->num_active_ioctls)) {
-        sched_yield();
-    }
+    os_wait_until_zero(&bo->num_active_ioctls, PIPE_TIMEOUT_INFINITE);
 
     if (microtiled == RADEON_LAYOUT_TILED)
         args.tiling_flags |= RADEON_TILING_MICRO;