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-rw-r--r--drivers/gpu/drm/i915/i915_scheduler.c36
1 files changed, 19 insertions, 17 deletions
diff --git a/drivers/gpu/drm/i915/i915_scheduler.c b/drivers/gpu/drm/i915/i915_scheduler.c
index 5756fcfe343d..3cfadb9db988 100644
--- a/drivers/gpu/drm/i915/i915_scheduler.c
+++ b/drivers/gpu/drm/i915/i915_scheduler.c
@@ -175,7 +175,7 @@ static bool inflight(const struct i915_request *rq,
return active->hw_context == rq->hw_context;
}
-static void __i915_schedule(struct i915_request *rq,
+static void __i915_schedule(struct i915_sched_node *node,
const struct i915_sched_attr *attr)
{
struct intel_engine_cs *engine;
@@ -189,13 +189,13 @@ static void __i915_schedule(struct i915_request *rq,
lockdep_assert_held(&schedule_lock);
GEM_BUG_ON(prio == I915_PRIORITY_INVALID);
- if (i915_request_completed(rq))
+ if (node_signaled(node))
return;
- if (prio <= READ_ONCE(rq->sched.attr.priority))
+ if (prio <= READ_ONCE(node->attr.priority))
return;
- stack.signaler = &rq->sched;
+ stack.signaler = node;
list_add(&stack.dfs_link, &dfs);
/*
@@ -246,9 +246,9 @@ static void __i915_schedule(struct i915_request *rq,
* execlists_submit_request()), we can set our own priority and skip
* acquiring the engine locks.
*/
- if (rq->sched.attr.priority == I915_PRIORITY_INVALID) {
- GEM_BUG_ON(!list_empty(&rq->sched.link));
- rq->sched.attr = *attr;
+ if (node->attr.priority == I915_PRIORITY_INVALID) {
+ GEM_BUG_ON(!list_empty(&node->link));
+ node->attr = *attr;
if (stack.dfs_link.next == stack.dfs_link.prev)
return;
@@ -257,15 +257,14 @@ static void __i915_schedule(struct i915_request *rq,
}
memset(&cache, 0, sizeof(cache));
- engine = rq->engine;
+ engine = node_to_request(node)->engine;
spin_lock(&engine->timeline.lock);
/* Fifo and depth-first replacement ensure our deps execute before us */
list_for_each_entry_safe_reverse(dep, p, &dfs, dfs_link) {
- struct i915_sched_node *node = dep->signaler;
-
INIT_LIST_HEAD(&dep->dfs_link);
+ node = dep->signaler;
engine = sched_lock_engine(node, engine, &cache);
lockdep_assert_held(&engine->timeline.lock);
@@ -315,13 +314,20 @@ static void __i915_schedule(struct i915_request *rq,
void i915_schedule(struct i915_request *rq, const struct i915_sched_attr *attr)
{
spin_lock_irq(&schedule_lock);
- __i915_schedule(rq, attr);
+ __i915_schedule(&rq->sched, attr);
spin_unlock_irq(&schedule_lock);
}
+static void __bump_priority(struct i915_sched_node *node, unsigned int bump)
+{
+ struct i915_sched_attr attr = node->attr;
+
+ attr.priority |= bump;
+ __i915_schedule(node, &attr);
+}
+
void i915_schedule_bump_priority(struct i915_request *rq, unsigned int bump)
{
- struct i915_sched_attr attr;
unsigned long flags;
GEM_BUG_ON(bump & ~I915_PRIORITY_MASK);
@@ -330,11 +336,7 @@ void i915_schedule_bump_priority(struct i915_request *rq, unsigned int bump)
return;
spin_lock_irqsave(&schedule_lock, flags);
-
- attr = rq->sched.attr;
- attr.priority |= bump;
- __i915_schedule(rq, &attr);
-
+ __bump_priority(&rq->sched, bump);
spin_unlock_irqrestore(&schedule_lock, flags);
}