Chris Wilson 8db05f5947 drm/i915/execlists: Assert the queue is non-empty on unsubmitting ... In the sequence <0>[ 531.960431] drv_self-4806 7.... 527402570us : intel_gpu_reset: engine_mask=1, ret=0, retry=0 <0>[ 531.960431] drv_self-4806 7.... 527402571us : execlists_reset: rcs0 request global=115de, current=71133 <0>[ 531.960431] drv_self-4806 7d..1 527402571us : execlists_cancel_port_requests: rcs0:port0 global=71134 (fence 826b:198), (current 71133) <0>[ 531.960431] drv_self-4806 7d..1 527402572us : execlists_cancel_port_requests: rcs0:port1 global=71135 (fence 826c:53), (current 71133) <0>[ 531.960431] drv_self-4806 7d..1 527402572us : __i915_request_unsubmit: rcs0 fence 826c:53 <- global=71135, current 71133 <0>[ 531.960431] drv_self-4806 7d..1 527402579us : __i915_request_unsubmit: rcs0 fence 826b:198 <- global=71134, current 71133 <0>[ 531.960431] drv_self-4806 7.... 527402613us : intel_engine_cancel_stop_cs: rcs0 <0>[ 531.960431] drv_self-4806 7.... 527402624us : execlists_reset_finish: rcs0 we are missing the execlists_submission_tasklet() invocation before the execlists_reset_fini() implying that either the queue is empty, or we failed to schedule and run the tasklet on finish. Add an assert so we are sure that on unsubmitting the incomplete request after reset, the queue is indeed populated. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180919195544.1511-12-chris@chris-wilson.co.uk		2018-09-25 08:41:22 +01:00
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drm	drm/i915/execlists: Assert the queue is non-empty on unsubmitting	2018-09-25 08:41:22 +01:00
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vga
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