diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_irq.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_irq.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c index 086e69a130d4..592cd78e10e0 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c @@ -123,26 +123,17 @@ static bool vmw_fifo_idle(struct vmw_private *dev_priv, uint32_t seqno) return (vmw_read(dev_priv, SVGA_REG_BUSY) == 0); } -void vmw_update_seqno(struct vmw_private *dev_priv) -{ - uint32_t seqno = vmw_fence_read(dev_priv); - - if (dev_priv->last_read_seqno != seqno) { - dev_priv->last_read_seqno = seqno; - vmw_fences_update(dev_priv->fman); - } -} - bool vmw_seqno_passed(struct vmw_private *dev_priv, uint32_t seqno) { bool ret; + u32 last_read_seqno = atomic_read_acquire(&dev_priv->last_read_seqno); - if (likely(dev_priv->last_read_seqno - seqno < VMW_FENCE_WRAP)) + if (last_read_seqno - seqno < VMW_FENCE_WRAP) return true; - vmw_update_seqno(dev_priv); - if (likely(dev_priv->last_read_seqno - seqno < VMW_FENCE_WRAP)) + last_read_seqno = vmw_fences_update(dev_priv->fman); + if (last_read_seqno - seqno < VMW_FENCE_WRAP) return true; if (!vmw_has_fences(dev_priv) && vmw_fifo_idle(dev_priv, seqno)) |