[igt-dev] [PATCH i-g-t] lib: Restore i915.reset before testing it in igt_allow_hang()

[Chris Wilson]

igt_allow_hang() checks that the GPU can be reset before allowing the
test to cause a GPU hang (which would need the reset to recover).
However, our checking for allowing a hang depends on i915.reset which we
later restore. Do that restoration before the check so that this test is
not affected by earlier fails.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 lib/igt_gt.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/igt_gt.c b/lib/igt_gt.c
index 5ca77471c..256c7cbc0 100644
--- a/lib/igt_gt.c
+++ b/lib/igt_gt.c
@@ -175,8 +175,6 @@ igt_hang_t igt_allow_hang(int fd, unsigned ctx, unsigned flags)
 	if (!igt_check_boolean_env_var("IGT_HANG", true))
 		igt_skip("hang injection disabled by user");
 	gem_context_require_bannable(fd);
-	if (!igt_check_boolean_env_var("IGT_HANG_WITHOUT_RESET", false))
-		igt_require(has_gpu_reset(fd));
 
 	allow_reset = 1;
 	if ((flags & HANG_ALLOW_CAPTURE) == 0) {
@@ -191,6 +189,9 @@ igt_hang_t igt_allow_hang(int fd, unsigned ctx, unsigned flags)
 	}
 	igt_require(igt_sysfs_set_parameter(fd, "reset", "%d", allow_reset));
 
+	if (!igt_check_boolean_env_var("IGT_HANG_WITHOUT_RESET", false))
+		igt_require(has_gpu_reset(fd));
+
 	ban = context_get_ban(fd, ctx);
 	if ((flags & HANG_ALLOW_BAN) == 0)
 		context_set_ban(fd, ctx, 0);
-- 
2.24.0.rc0