Commit f2e85e57 authored by Chris Wilson's avatar Chris Wilson
Browse files

drm/i915/selftests: Dump engine state and trace upon hanging after reset 



If the engine dies after a reset, and so we fail to submit a request
but need to be interrupted by the CI runner, dump the engine state.

Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: default avatarMika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200615165013.22973-2-chris@chris-wilson.co.uk
parent 7102a760

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

+14 −0
Original line number Diff line number Diff line
@@ -499,6 +499,20 @@ static int igt_reset_nop_engine(void *arg) 


				rq = intel_context_create_request(ce);

				if (IS_ERR(rq)) {

					struct drm_printer p =

						drm_info_printer(gt->i915->drm.dev);

					intel_engine_dump(engine, &p,

							  "%s(%s): failed to submit request\n",

							  __func__,

							  engine->name);



					GEM_TRACE("%s(%s): failed to submit request\n",

						  __func__,

						  engine->name);

					GEM_TRACE_DUMP();



					intel_gt_set_wedged(gt);



					err = PTR_ERR(rq);

					break;

				}