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drm/i915: cancel the hangcheck before runtime suspend

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The hangcheck function requires the hardware to be working, and if
we're suspending we're going to put the HW in D3 state.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Paulo Zanoni 2013-12-13 15:22:30 -02:00 committed by Daniel Vetter
parent ab57fff130
commit 16a3d6ef9f
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/i915/i915_drv.c
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@ -917,6 +917,7 @@ static int i915_runtime_suspend(struct device *device)
DRM_DEBUG_KMS("Suspending device\n");
del_timer_sync(&dev_priv->gpu_error.hangcheck_timer);
dev_priv->pm.suspended = true;
intel_opregion_notify_adapter(dev, PCI_D3cold);