[Intel-gfx] [PATCH i-g-t] i915/gem_render_copy: Add hang detector

[Chris Wilson]

Die early if the GPU hangs during our basic render copy testing, and
clean up rather than waiting for multiple different failing batches
before detecting our failure.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 tests/i915/gem_render_copy.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tests/i915/gem_render_copy.c b/tests/i915/gem_render_copy.c
index b8149483c..261833d24 100644
--- a/tests/i915/gem_render_copy.c
+++ b/tests/i915/gem_render_copy.c
@@ -715,6 +715,8 @@ igt_main_args("da", NULL, help_str, opt_handler, NULL)
 
 		data.batch = intel_batchbuffer_alloc(data.bufmgr, data.devid);
 		igt_assert(data.batch);
+
+		igt_fork_hang_detector(data.drm_fd);
 	}
 
 	igt_subtest("linear")
@@ -745,6 +747,7 @@ igt_main_args("da", NULL, help_str, opt_handler, NULL)
 		test(&data, I915_TILING_Yf, I915_TILING_Yf);
 
 	igt_fixture {
+		igt_stop_hang_detector();
 		intel_batchbuffer_free(data.batch);
 		drm_intel_bufmgr_destroy(data.bufmgr);
 	}
-- 
2.23.0