diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_irq.c')
-rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_irq.c | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c index e92298a6a383..48701d2c8c0f 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c @@ -53,7 +53,7 @@ irqreturn_t vmw_irq_handler(DRM_IRQ_ARGS) return IRQ_NONE; } -static bool vmw_fifo_idle(struct vmw_private *dev_priv, uint32_t sequence) +static bool vmw_fifo_idle(struct vmw_private *dev_priv, uint32_t seqno) { uint32_t busy; @@ -64,43 +64,43 @@ static bool vmw_fifo_idle(struct vmw_private *dev_priv, uint32_t sequence) return (busy == 0); } -void vmw_update_sequence(struct vmw_private *dev_priv, +void vmw_update_seqno(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo_state) { __le32 __iomem *fifo_mem = dev_priv->mmio_virt; - uint32_t sequence = ioread32(fifo_mem + SVGA_FIFO_FENCE); + uint32_t seqno = ioread32(fifo_mem + SVGA_FIFO_FENCE); - if (dev_priv->last_read_sequence != sequence) { - dev_priv->last_read_sequence = sequence; - vmw_fence_pull(&fifo_state->fence_queue, sequence); + if (dev_priv->last_read_seqno != seqno) { + dev_priv->last_read_seqno = seqno; + vmw_marker_pull(&fifo_state->marker_queue, seqno); } } -bool vmw_fence_signaled(struct vmw_private *dev_priv, - uint32_t sequence) +bool vmw_seqno_passed(struct vmw_private *dev_priv, + uint32_t seqno) { struct vmw_fifo_state *fifo_state; bool ret; - if (likely(dev_priv->last_read_sequence - sequence < VMW_FENCE_WRAP)) + if (likely(dev_priv->last_read_seqno - seqno < VMW_FENCE_WRAP)) return true; fifo_state = &dev_priv->fifo; - vmw_update_sequence(dev_priv, fifo_state); - if (likely(dev_priv->last_read_sequence - sequence < VMW_FENCE_WRAP)) + vmw_update_seqno(dev_priv, fifo_state); + if (likely(dev_priv->last_read_seqno - seqno < VMW_FENCE_WRAP)) return true; if (!(fifo_state->capabilities & SVGA_FIFO_CAP_FENCE) && - vmw_fifo_idle(dev_priv, sequence)) + vmw_fifo_idle(dev_priv, seqno)) return true; /** - * Then check if the sequence is higher than what we've actually + * Then check if the seqno is higher than what we've actually * emitted. Then the fence is stale and signaled. */ - ret = ((atomic_read(&dev_priv->fence_seq) - sequence) + ret = ((atomic_read(&dev_priv->marker_seq) - seqno) > VMW_FENCE_WRAP); return ret; @@ -109,7 +109,7 @@ bool vmw_fence_signaled(struct vmw_private *dev_priv, int vmw_fallback_wait(struct vmw_private *dev_priv, bool lazy, bool fifo_idle, - uint32_t sequence, + uint32_t seqno, bool interruptible, unsigned long timeout) { @@ -123,7 +123,7 @@ int vmw_fallback_wait(struct vmw_private *dev_priv, DEFINE_WAIT(__wait); wait_condition = (fifo_idle) ? &vmw_fifo_idle : - &vmw_fence_signaled; + &vmw_seqno_passed; /** * Block command submission while waiting for idle. @@ -131,14 +131,14 @@ int vmw_fallback_wait(struct vmw_private *dev_priv, if (fifo_idle) down_read(&fifo_state->rwsem); - signal_seq = atomic_read(&dev_priv->fence_seq); + signal_seq = atomic_read(&dev_priv->marker_seq); ret = 0; for (;;) { prepare_to_wait(&dev_priv->fence_queue, &__wait, (interruptible) ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE); - if (wait_condition(dev_priv, sequence)) + if (wait_condition(dev_priv, seqno)) break; if (time_after_eq(jiffies, end_jiffies)) { DRM_ERROR("SVGA device lockup.\n"); @@ -175,28 +175,28 @@ int vmw_fallback_wait(struct vmw_private *dev_priv, return ret; } -int vmw_wait_fence(struct vmw_private *dev_priv, - bool lazy, uint32_t sequence, - bool interruptible, unsigned long timeout) +int vmw_wait_seqno(struct vmw_private *dev_priv, + bool lazy, uint32_t seqno, + bool interruptible, unsigned long timeout) { long ret; unsigned long irq_flags; struct vmw_fifo_state *fifo = &dev_priv->fifo; - if (likely(dev_priv->last_read_sequence - sequence < VMW_FENCE_WRAP)) + if (likely(dev_priv->last_read_seqno - seqno < VMW_FENCE_WRAP)) return 0; - if (likely(vmw_fence_signaled(dev_priv, sequence))) + if (likely(vmw_seqno_passed(dev_priv, seqno))) return 0; vmw_fifo_ping_host(dev_priv, SVGA_SYNC_GENERIC); if (!(fifo->capabilities & SVGA_FIFO_CAP_FENCE)) - return vmw_fallback_wait(dev_priv, lazy, true, sequence, + return vmw_fallback_wait(dev_priv, lazy, true, seqno, interruptible, timeout); if (!(dev_priv->capabilities & SVGA_CAP_IRQMASK)) - return vmw_fallback_wait(dev_priv, lazy, false, sequence, + return vmw_fallback_wait(dev_priv, lazy, false, seqno, interruptible, timeout); mutex_lock(&dev_priv->hw_mutex); @@ -214,12 +214,12 @@ int vmw_wait_fence(struct vmw_private *dev_priv, if (interruptible) ret = wait_event_interruptible_timeout (dev_priv->fence_queue, - vmw_fence_signaled(dev_priv, sequence), + vmw_seqno_passed(dev_priv, seqno), timeout); else ret = wait_event_timeout (dev_priv->fence_queue, - vmw_fence_signaled(dev_priv, sequence), + vmw_seqno_passed(dev_priv, seqno), timeout); if (unlikely(ret == 0)) @@ -293,5 +293,5 @@ int vmw_fence_wait_ioctl(struct drm_device *dev, void *data, return -EBUSY; timeout = (unsigned long)arg->kernel_cookie - timeout; - return vmw_wait_fence(vmw_priv(dev), true, arg->sequence, true, timeout); + return vmw_wait_seqno(vmw_priv(dev), true, arg->seqno, true, timeout); } |