Since we process schedule-in of a context after submitting the request,
if we decide to reset the context at that time, we also have to cancel
the requets we have marked for submission.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/gt/intel_execlists_submission.c | 8 ++++----
drivers/gpu/drm/i915/i915_request.c | 2 ++
2 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
index 1fae6c6f3868..fd7ac25605b2 100644
--- a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
+++ b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
@@ -219,14 +219,14 @@ active_request(const struct intel_timeline * const tl,
struct i915_request *rq)
{
struct i915_request *active = rq;
- rcu_read_lock();
- list_for_each_entry_continue_reverse(rq, &tl->requests, link) {
+ list_for_each_entry_from_reverse(rq, &tl->requests, link) {
if (__i915_request_is_complete(rq))
break;
+ i915_request_set_error_once(rq, -EIO);
+ __i915_request_skip(rq);
active = rq;
}
- rcu_read_unlock();
return active;
}
@@ -487,7 +487,7 @@ static void reset_active(struct i915_request *rq,
* remain correctly ordered. And we defer to __i915_request_submit()
* so that all asynchronous waits are correctly handled.
*/
- ENGINE_TRACE(engine, "{ rq=%llx:%lld }\n",
+ ENGINE_TRACE(engine, "{ reset rq=%llx:%lld }\n",
rq->fence.context, rq->fence.seqno);
/* On resubmission of the active request, payload will be scrubbed */
diff --git a/drivers/gpu/drm/i915/i915_request.c
b/drivers/gpu/drm/i915/i915_request.c
index 6578faf6eed8..ad3b6a4f424f 100644
--- a/drivers/gpu/drm/i915/i915_request.c
+++ b/drivers/gpu/drm/i915/i915_request.c
@@ -490,6 +490,8 @@ void __i915_request_skip(struct i915_request *rq)
if (rq->infix == rq->postfix)
return;
+ RQ_TRACE(rq, "error: %d\n", rq->fence.error);
+
/*
* As this request likely depends on state from the lost
* context, clear out all the user operations leaving the
--
2.20.1
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