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Commit b5ba177d authored by Chris Wilson's avatar Chris Wilson
Browse files

drm/i915: Poll for seqno completion if IRQ is disabled 

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=32288


Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
parent 9097eef0

drivers/gpu/drm/i915/i915_gem.c

+4 −2
Original line number Diff line number Diff line
@@ -2000,7 +2000,6 @@ i915_do_wait_request(struct drm_device *dev, uint32_t seqno, 
		trace_i915_gem_request_wait_begin(dev, seqno);



		ring->waiting_seqno = seqno;

		ret = -ENODEV;

		if (ring->irq_get(ring)) {

			if (interruptible)

				ret = wait_event_interruptible(ring->irq_queue,
@@ -2012,7 +2011,10 @@ i915_do_wait_request(struct drm_device *dev, uint32_t seqno, 
					   || atomic_read(&dev_priv->mm.wedged));



			ring->irq_put(ring);

		}

		} else if (wait_for(i915_seqno_passed(ring->get_seqno(ring),

						      seqno) ||

				    atomic_read(&dev_priv->mm.wedged), 3000))

			ret = -EBUSY;

		ring->waiting_seqno = 0;



		trace_i915_gem_request_wait_end(dev, seqno);