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path: root/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
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Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_irq.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_irq.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
index d40086fc8647..4d7cb5393860 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
@@ -85,19 +85,12 @@ bool vmw_fence_signaled(struct vmw_private *dev_priv,
return true;
/**
- * Below is to signal stale fences that have wrapped.
- * First, block fence submission.
- */
-
- down_read(&fifo_state->rwsem);
-
- /**
* Then check if the sequence is higher than what we've actually
* emitted. Then the fence is stale and signaled.
*/
- ret = ((dev_priv->fence_seq - sequence) > VMW_FENCE_WRAP);
- up_read(&fifo_state->rwsem);
+ ret = ((atomic_read(&dev_priv->fence_seq) - sequence)
+ > VMW_FENCE_WRAP);
return ret;
}
@@ -127,7 +120,7 @@ int vmw_fallback_wait(struct vmw_private *dev_priv,
if (fifo_idle)
down_read(&fifo_state->rwsem);
- signal_seq = dev_priv->fence_seq;
+ signal_seq = atomic_read(&dev_priv->fence_seq);
ret = 0;
for (;;) {