Commit a24c57d0 authored Mar 19, 2020 by Chris Wilson Committed by Rodrigo Vivi Mar 26, 2020

drm/i915/gt: Cancel a hung context if already closed



Use the restored ability to check if a context is closed to decide
whether or not to immediately ban the context from further execution
after a hang.

Fixes: be90e344 ("drm/i915/gt: Cancel banned contexts after GT reset")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200319170707.8262-2-chris@chris-wilson.co.uk


(cherry picked from commit 8e37d699)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

parent 2e46a2a0

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

+5 −0

Original line number	Diff line number	Diff line
		@@ -88,6 +88,11 @@ static bool mark_guilty(struct i915_request *rq)
		bool banned;
		int i;

		if (intel_context_is_closed(rq->context)) {
		intel_context_set_banned(rq->context);
		return true;
		}

		rcu_read_lock();
		ctx = rcu_dereference(rq->context->gem_context);
		if (ctx && !kref_get_unless_zero(&ctx->ref))

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