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| author | David S. Miller <davem@davemloft.net> | 2010-02-17 16:20:14 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-02-17 16:20:14 -0800 |
| commit | 8c2fcadc933f713d51f46ec4dcd9b12830e0df84 (patch) | |
| tree | e0797b2db664d702f9d02dd0f45efddb2f0d7fe9 /drivers/gpu/drm/vmwgfx/vmwgfx_irq.c | |
| parent | 232486e1e9f34889424b68ee6270440b554479a2 (diff) | |
| parent | b0483e78e5c4c9871fc5541875b3bc006846d46b (diff) | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_irq.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_irq.c | 13 |
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 (;;) { |