#include "i915_drv.h"
#include "intel_context_types.h"
#include "intel_engine_types.h"
+#include "intel_gt_pm.h"
#include "intel_ring_types.h"
#include "intel_timeline_types.h"
#include "i915_trace.h"
static inline void intel_context_enter(struct intel_context *ce)
{
lockdep_assert_held(&ce->timeline->mutex);
- if (!ce->active_count++)
- ce->ops->enter(ce);
+ if (ce->active_count++)
+ return;
+
+ ce->ops->enter(ce);
+ intel_gt_pm_get(ce->vm->gt);
}
static inline void intel_context_mark_active(struct intel_context *ce)
{
lockdep_assert_held(&ce->timeline->mutex);
GEM_BUG_ON(!ce->active_count);
- if (!--ce->active_count)
- ce->ops->exit(ce);
+ if (--ce->active_count)
+ return;
+
+ intel_gt_pm_put_async(ce->vm->gt);
+ ce->ops->exit(ce);
}
static inline struct intel_context *intel_context_get(struct intel_context *ce)
ENGINE_TRACE(engine, "parking\n");
+ /*
+ * Open coded one half of intel_context_enter, which we have to omit
+ * here (see the large comment below) and because the other part must
+ * not be called due constructing directly with __i915_request_create
+ * which increments active count via intel_context_mark_active.
+ */
+ GEM_BUG_ON(rq->context->active_count != 1);
+ __intel_gt_pm_get(engine->gt);
+
/*
* We have to serialise all potential retirement paths with our
* submission, as we don't want to underflow either the