From: Daniel Vetter Date: Wed, 14 Dec 2011 12:57:21 +0000 (+0100) Subject: drm/i915: capture error_state also for stuck rings X-Git-Tag: upstream/snapshot3+hdmi~6931^2~115^2~168 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=653d7bed26a0c298dee7d60f6ab4bb442acf8b82;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git 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 Reviewed-by: Eugeni Dodonov Signed-Off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 1e75c44..4dedb31 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -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 {