igt/kms_pipe_crc_basic: Use a fast hang

Inject of using a hanging batch and waiting for the driver to notice,
issue a hang/reset request directly via debugfs.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 4 insertions, 4 deletions

diff --git a/tests/kms_pipe_crc_basic.c b/tests/kms_pipe_crc_basic.c
index 45da200d..f49b4348 100644
--- a/tests/kms_pipe_crc_basic.c
+++ b/tests/kms_pipe_crc_basic.c
@@ -228,15 +228,15 @@ igt_main
 		}
 
 		igt_subtest_f("hang-read-crc-pipe-%c", 'A'+i) {
-			igt_hang_t hang;
+			igt_hang_t hang = igt_allow_hang(data.drm_fd, 0, 0);
 
 			test_read_crc(&data, i, 0);
 
-			hang = igt_hang_ring(data.drm_fd, I915_EXEC_RENDER);
-			test_read_crc(&data, i, 0);
-			igt_post_hang_ring(data.drm_fd, hang);
+			igt_force_gpu_reset(data.drm_fd);
 
 			test_read_crc(&data, i, 0);
+
+			igt_disallow_hang(data.drm_fd, hang);
 		}
 	}