[PATCH 23/26] drm/radeon: unlock the ring mutex while waiting for the next fence

Fixing just another deadlock problem with gpu reset tests.

Signed-off-by: Christian König deathsimple@vodafone.de --- drivers/gpu/drm/radeon/radeon_ring.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index 504fb8f..0f74c99 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -302,7 +302,9 @@ int radeon_ring_alloc(struct radeon_device *rdev, struct radeon_ring *ring, unsi if (ndw < ring->ring_free_dw) { break; } + mutex_unlock(&ring->mutex); r = radeon_fence_wait_next(rdev, radeon_ring_index(rdev, ring)); + mutex_lock(&ring->mutex); if (r) return r; }