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drm/i915: capture error_state also for stuck rings 

Since quite a while we also the basic output configuration in the
error_state, so it should contain enough information to diagnose
these MI_WAIT hangs.

Reviewed-and-tested-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2011-12-14 13:57:21 +01:00
parent 6a9c308de0
commit 653d7bed26
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/i915/i915_irq.c
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@ -1706,6 +1706,7 @@ void i915_hangcheck_elapsed(unsigned long data)
dev_priv->last_instdone1 == instdone1) {
if (dev_priv->hangcheck_count++ > 1) {
DRM_ERROR("Hangcheck timer elapsed... GPU hung\n");
i915_handle_error(dev, true);
if (!IS_GEN2(dev)) {
/* Is the chip hanging on a WAIT_FOR_EVENT?
@ -1713,7 +1714,6 @@ void i915_hangcheck_elapsed(unsigned long data)
* and break the hang. This should work on
* all but the second generation chipsets.
*/
if (kick_ring(&dev_priv->ring[RCS]))
goto repeat;
@ -1726,7 +1726,6 @@ void i915_hangcheck_elapsed(unsigned long data)
goto repeat;
}
i915_handle_error(dev, true);
return;
}
} else {