[PATCH] drm/xe: Assert G2H outstanding when releasing G2H

[Matthew Brost]

Ensure we are managing G2H credits correctly. Extra important now that
this is tied to PM.

Signed-off-by: Matthew Brost <matthew.brost at intel.com>
---
 drivers/gpu/drm/xe/xe_guc_ct.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/xe/xe_guc_ct.c b/drivers/gpu/drm/xe/xe_guc_ct.c
index 64afc90ad2c5..beeeb120d1fc 100644
--- a/drivers/gpu/drm/xe/xe_guc_ct.c
+++ b/drivers/gpu/drm/xe/xe_guc_ct.c
@@ -516,6 +516,7 @@ static void __g2h_release_space(struct xe_guc_ct *ct, u32 g2h_len)
 	lockdep_assert_held(&ct->fast_lock);
 	xe_gt_assert(ct_to_gt(ct), ct->ctbs.g2h.info.space + g2h_len <=
 		     ct->ctbs.g2h.info.size - ct->ctbs.g2h.info.resv_space);
+	xe_gt_assert(ct_to_gt(ct), ct->g2h_outstanding);
 
 	ct->ctbs.g2h.info.space += g2h_len;
 	if (!--ct->g2h_outstanding)
-- 
2.34.1