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drm/i915: setup the hangcheck timer early 

... together with all the other irq related resources in
intel_irq_init. I've managed to oops in the notify_ring function on my
ilk, presumably because of the powerctx setup call to i915_gpu_idle.

Note that this is only a problem with the reorder irq setup sequence
for irq-driver gmbus/dp aux.

Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
hifive-unleashed-5.1
Daniel Vetter 2012-12-01 21:03:21 +01:00
parent d83779a9cb
commit 61bac78e03
2 changed files with 3 additions and 3 deletions
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3
drivers/gpu/drm/i915/i915_dma.c
View File

@ -1611,9 +1611,6 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
intel_opregion_init(dev);
acpi_video_register();
setup_timer(&dev_priv->hangcheck_timer, i915_hangcheck_elapsed,
(unsigned long) dev);
if (IS_GEN5(dev))
intel_gpu_ips_init(dev_priv);

3
drivers/gpu/drm/i915/i915_irq.c
View File

@ -2687,6 +2687,9 @@ void intel_irq_init(struct drm_device *dev)
INIT_WORK(&dev_priv->rps.work, gen6_pm_rps_work);
INIT_WORK(&dev_priv->l3_parity.error_work, ivybridge_parity_work);
setup_timer(&dev_priv->hangcheck_timer, i915_hangcheck_elapsed,
(unsigned long) dev);
dev->driver->get_vblank_counter = i915_get_vblank_counter;
dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
if (IS_G4X(dev) || INTEL_INFO(dev)->gen >= 5) {