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path: root/drivers/char/drm/i915_irq.c
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Diffstat (limited to 'drivers/char/drm/i915_irq.c')
-rw-r--r--drivers/char/drm/i915_irq.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c
index cd96cfa..0d4a162 100644
--- a/drivers/char/drm/i915_irq.c
+++ b/drivers/char/drm/i915_irq.c
@@ -71,21 +71,27 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
static int i915_emit_irq(drm_device_t * dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- u32 ret;
RING_LOCALS;
i915_kernel_lost_context(dev);
DRM_DEBUG("%s\n", __FUNCTION__);
- ret = dev_priv->counter;
+ dev_priv->sarea_priv->last_enqueue = ++dev_priv->counter;
- BEGIN_LP_RING(2);
+ if (dev_priv->counter > 0x7FFFFFFFUL)
+ dev_priv->sarea_priv->last_enqueue = dev_priv->counter = 1;
+
+ BEGIN_LP_RING(6);
+ OUT_RING(CMD_STORE_DWORD_IDX);
+ OUT_RING(20);
+ OUT_RING(dev_priv->counter);
+ OUT_RING(0);
OUT_RING(0);
OUT_RING(GFX_OP_USER_INTERRUPT);
ADVANCE_LP_RING();
-
- return ret;
+
+ return dev_priv->counter;
}
static int i915_wait_irq(drm_device_t * dev, int irq_nr)
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