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>
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 @@
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 @@
* 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 @@
goto repeat;
}
- i915_handle_error(dev, true);
return;
}
} else {