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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.c47
1 files changed, 43 insertions, 4 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
index 9fe9827ee499..9498a5e33c12 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
@@ -1,6 +1,6 @@
/**************************************************************************
*
- * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
+ * Copyright © 2009-2015 VMware, Inc., Palo Alto, CA., USA
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
@@ -56,6 +56,9 @@ irqreturn_t vmw_irq_handler(int irq, void *arg)
if (masked_status & SVGA_IRQFLAG_FIFO_PROGRESS)
wake_up_all(&dev_priv->fifo_queue);
+ if (masked_status & (SVGA_IRQFLAG_COMMAND_BUFFER |
+ SVGA_IRQFLAG_ERROR))
+ vmw_cmdbuf_tasklet_schedule(dev_priv->cman);
return IRQ_HANDLED;
}
@@ -69,7 +72,7 @@ static bool vmw_fifo_idle(struct vmw_private *dev_priv, uint32_t seqno)
void vmw_update_seqno(struct vmw_private *dev_priv,
struct vmw_fifo_state *fifo_state)
{
- __le32 __iomem *fifo_mem = dev_priv->mmio_virt;
+ u32 __iomem *fifo_mem = dev_priv->mmio_virt;
uint32_t seqno = ioread32(fifo_mem + SVGA_FIFO_FENCE);
if (dev_priv->last_read_seqno != seqno) {
@@ -131,8 +134,16 @@ int vmw_fallback_wait(struct vmw_private *dev_priv,
* Block command submission while waiting for idle.
*/
- if (fifo_idle)
+ if (fifo_idle) {
down_read(&fifo_state->rwsem);
+ if (dev_priv->cman) {
+ ret = vmw_cmdbuf_idle(dev_priv->cman, interruptible,
+ 10*HZ);
+ if (ret)
+ goto out_err;
+ }
+ }
+
signal_seq = atomic_read(&dev_priv->marker_seq);
ret = 0;
@@ -167,10 +178,11 @@ int vmw_fallback_wait(struct vmw_private *dev_priv,
}
finish_wait(&dev_priv->fence_queue, &__wait);
if (ret == 0 && fifo_idle) {
- __le32 __iomem *fifo_mem = dev_priv->mmio_virt;
+ u32 __iomem *fifo_mem = dev_priv->mmio_virt;
iowrite32(signal_seq, fifo_mem + SVGA_FIFO_FENCE);
}
wake_up_all(&dev_priv->fence_queue);
+out_err:
if (fifo_idle)
up_read(&fifo_state->rwsem);
@@ -315,3 +327,30 @@ void vmw_irq_uninstall(struct drm_device *dev)
status = inl(dev_priv->io_start + VMWGFX_IRQSTATUS_PORT);
outl(status, dev_priv->io_start + VMWGFX_IRQSTATUS_PORT);
}
+
+void vmw_generic_waiter_add(struct vmw_private *dev_priv,
+ u32 flag, int *waiter_count)
+{
+ unsigned long irq_flags;
+
+ spin_lock_irqsave(&dev_priv->irq_lock, irq_flags);
+ if ((*waiter_count)++ == 0) {
+ outl(flag, dev_priv->io_start + VMWGFX_IRQSTATUS_PORT);
+ dev_priv->irq_mask |= flag;
+ vmw_write(dev_priv, SVGA_REG_IRQMASK, dev_priv->irq_mask);
+ }
+ spin_unlock_irqrestore(&dev_priv->irq_lock, irq_flags);
+}
+
+void vmw_generic_waiter_remove(struct vmw_private *dev_priv,
+ u32 flag, int *waiter_count)
+{
+ unsigned long irq_flags;
+
+ spin_lock_irqsave(&dev_priv->irq_lock, irq_flags);
+ if (--(*waiter_count) == 0) {
+ dev_priv->irq_mask &= ~flag;
+ vmw_write(dev_priv, SVGA_REG_IRQMASK, dev_priv->irq_mask);
+ }
+ spin_unlock_irqrestore(&dev_priv->irq_lock, irq_flags);
+}