[src/trunk]: src/sys/external/bsd/drm2/dist/drm/radeon Take rdev->fence_lock ...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/4db091b430d4
branches:  trunk
changeset: 331044:4db091b430d4
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Mon Jul 28 12:59:39 2014 +0000

description:
Take rdev->fence_lock around the wakeup.

diffstat:

 sys/external/bsd/drm2/dist/drm/radeon/radeon_fence.c |  4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diffs (15 lines):

diff -r 56154b575540 -r 4db091b430d4 sys/external/bsd/drm2/dist/drm/radeon/radeon_fence.c
--- a/sys/external/bsd/drm2/dist/drm/radeon/radeon_fence.c      Mon Jul 28 11:22:46 2014 +0000
+++ b/sys/external/bsd/drm2/dist/drm/radeon/radeon_fence.c      Mon Jul 28 12:59:39 2014 +0000
@@ -192,7 +192,11 @@
 
        if (wake)
 #ifdef __NetBSD__
+       {
+               spin_lock(&rdev->fence_lock);
                DRM_SPIN_WAKEUP_ALL(&rdev->fence_queue, &rdev->fence_lock);
+               spin_unlock(&rdev->fence_lock);
+       }
 #else
                wake_up_all(&rdev->fence_queue);
 #endif