drm/i915/selftests: Add intel_gt_suspend_prepare

Call suspend_prepare first so that we don't leave GuC so confused.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191101174405.7389-1-chris@chris-wilson.co.uk
(cherry picked from commit 833e979db36c0202f21e1e0bdd7339a27e50b8e3)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>

diff --git a/drivers/gpu/drm/i915/gt/selftest_gt_pm.c b/drivers/gpu/drm/i915/gt/selftest_gt_pm.c
index 3d4e6a0..d1752f1 100644 (file)
--- a/drivers/gpu/drm/i915/gt/selftest_gt_pm.c
+++ b/drivers/gpu/drm/i915/gt/selftest_gt_pm.c
@@ -15,6 +15,7 @@ static int live_gt_resume(void *arg)
 
        /* Do several suspend/resume cycles to check we don't explode! */
        do {
+               intel_gt_suspend_prepare(gt);
                intel_gt_suspend_late(gt);
 
                if (gt->rc6.enabled) {