We need to preserve fatal errors from fences that are being terminated
as we hook them up.
Fixes: ef4688497512 ("drm/i915: Propagate fence errors")
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Cc: Matthew Auld <matthew.auld@xxxxxxxxx>
Reviewed-by: Matthew Auld <matthew.auld@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_request.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c
index 22635bbabf06..4d18f808fda2 100644
--- a/drivers/gpu/drm/i915/i915_request.c
+++ b/drivers/gpu/drm/i915/i915_request.c
@@ -1034,8 +1034,10 @@ i915_request_await_request(struct i915_request *to, struct i915_request *from)
GEM_BUG_ON(to == from);
GEM_BUG_ON(to->timeline == from->timeline);
- if (i915_request_completed(from))
+ if (i915_request_completed(from)) {
+ i915_sw_fence_set_error_once(&to->submit, from->fence.error);
return 0;
+ }
if (to->engine->schedule) {
ret = i915_sched_node_add_dependency(&to->sched, &from->sched);
--
2.20.1
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