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[intel] Count received interrupts 

Another patch adds this to a /proc/dri file for debugging and monitoring.
main
Keith Packard 2008-06-21 00:12:21 -07:00
parent f4bd566e0b
commit 33114e4a11
2 changed files with 2 additions and 1 deletions
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1
shared-core/i915_drv.h
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@ -119,7 +119,6 @@ typedef struct drm_i915_private {
wait_queue_head_t irq_queue;
atomic_t irq_received;
atomic_t irq_emitted;
int tex_lru_log_granularity;
int allow_batchbuffer;

2
shared-core/i915_irq.c
View File

@ -456,6 +456,7 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
#if 0
DRM_DEBUG("flag=%08x\n", iir);
#endif
atomic_inc(&dev_priv->irq_received);
if (iir == 0) {
DRM_DEBUG ("iir 0x%08x im 0x%08x ie 0x%08x pipea 0x%08x pipeb 0x%08x\n",
iir,
@ -963,6 +964,7 @@ void i915_driver_irq_preinstall(struct drm_device * dev)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
atomic_set(&dev_priv->irq_received, 0);
I915_WRITE(I915REG_HWSTAM, 0xffff);
I915_WRITE(I915REG_INT_ENABLE_R, 0x0);
I915_WRITE(I915REG_INT_MASK_R, 0xffffffff);