From eb3afbe18eb193a6cbf6541b3876c3fe14ad2a51 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Wed, 30 Sep 2020 17:32:52 +0100
Subject: [PATCH] drm/i915/selftests: Finish pending mock requests on
cancellation.
Flush all the pending requests from the mock engine when they are
cancelled.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200930163253.2789-2-chris@chris-wilson.co.uk
---
drivers/gpu/drm/i915/gt/mock_engine.c | 29 +++++++++++++++++++++++----
1 file changed, 25 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/mock_engine.c b/drivers/gpu/drm/i915/gt/mock_engine.c
index dfd1cfb8a7ec5..2f830017c51d9 100644
--- a/drivers/gpu/drm/i915/gt/mock_engine.c
+++ b/drivers/gpu/drm/i915/gt/mock_engine.c
@@ -245,18 +245,39 @@ static void mock_reset_rewind(struct intel_engine_cs *engine, bool stalled)
GEM_BUG_ON(stalled);
}
+static void mark_eio(struct i915_request *rq)
+{
+ if (i915_request_completed(rq))
+ return;
+
+ GEM_BUG_ON(i915_request_signaled(rq));
+
+ i915_request_set_error_once(rq, -EIO);
+ i915_request_mark_complete(rq);
+}
+
static void mock_reset_cancel(struct intel_engine_cs *engine)
{
- struct i915_request *request;
+ struct mock_engine *mock =
+ container_of(engine, typeof(*mock), base);
+ struct i915_request *rq;
unsigned long flags;
+ del_timer_sync(&mock->hw_delay);
+
spin_lock_irqsave(&engine->active.lock, flags);
/* Mark all submitted requests as skipped. */
- list_for_each_entry(request, &engine->active.requests, sched.link) {
- i915_request_set_error_once(request, -EIO);
- i915_request_mark_complete(request);
+ list_for_each_entry(rq, &engine->active.requests, sched.link)
+ mark_eio(rq);
+ intel_engine_signal_breadcrumbs(engine);
+
+ /* Cancel and submit all pending requests. */
+ list_for_each_entry(rq, &mock->hw_queue, mock.link) {
+ mark_eio(rq);
+ __i915_request_submit(rq);
}
+ INIT_LIST_HEAD(&mock->hw_queue);
spin_unlock_irqrestore(&engine->active.lock, flags);
}
--
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