Commit 542a5c66 authored Oct 02, 2019 by Chris Wilson

drm/i915/gt: Warn CI about an unrecoverable wedge



If we have a wedged GPU that we need to recover, but fail, add a taint
for CI to pickup and schedule a reboot.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: Petri Latvala <petri.latvala@intel.com>
Reviewed-by: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191002160034.5121-1-chris@chris-wilson.co.uk

parent 9d41318c

drivers/gpu/drm/i915/gt/intel_reset.c

+7 −1

Original line number	Diff line number	Diff line
		@@ -872,8 +872,14 @@ static bool __intel_gt_unset_wedged(struct intel_gt *gt)
		ok = !HAS_EXECLISTS(gt->i915); /* XXX better agnosticism desired */
		if (!INTEL_INFO(gt->i915)->gpu_reset_clobbers_display)
		ok = __intel_gt_reset(gt, ALL_ENGINES) == 0;
		if (!ok)
		if (!ok) {
		/*
		* Warn CI about the unrecoverable wedged condition.
		* Time for a reboot.
		*/
		add_taint_for_CI(TAINT_WARN);
		return false;
		}

		/*
		* Undo nop_submit_request. We prevent all new i915 requests from

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