[PATCH igt 9/9] igt/pm_rps: Trigger a real GPU reset

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Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
 tests/pm_rps.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/tests/pm_rps.c b/tests/pm_rps.c
index 9f752f8..db23492 100644
--- a/tests/pm_rps.c
+++ b/tests/pm_rps.c
@@ -525,6 +525,13 @@ static void stabilize_check(int *freqs)
 	igt_debug("Waited %d msec to stabilize cur\n", wait);
 }
 
+static void reset_gpu(void)
+{
+	int fd = drm_open_driver(DRIVER_INTEL);
+	igt_post_hang_ring(fd, igt_hang_ring(fd, I915_EXEC_DEFAULT));
+	close(fd);
+}
+
 /*
  * reset - test that turbo works across a ring stop
  *
@@ -560,11 +567,8 @@ static void reset(void)
 	load_helper_run(LOW);
 	stabilize_check(pre_freqs);
 
-	igt_debug("Stop rings...\n");
-	igt_set_stop_rings(STOP_RING_DEFAULTS);
-	while (igt_get_stop_rings())
-		usleep(1000 * 100);
-	igt_debug("Ring stop cleared\n");
+	igt_debug("Reset gpu...\n");
+	reset_gpu();
 
 	igt_debug("Apply high load...\n");
 	load_helper_set_load(HIGH);
-- 
2.6.3

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