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Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_request.h')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_request.h30
1 files changed, 19 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_request.h b/drivers/gpu/drm/i915/i915_gem_request.h
index e2b077df2da0..ea511f06efaf 100644
--- a/drivers/gpu/drm/i915/i915_gem_request.h
+++ b/drivers/gpu/drm/i915/i915_gem_request.h
@@ -170,17 +170,6 @@ struct drm_i915_gem_request {
/** Preallocate space in the ring for the emitting the request */
u32 reserved_space;
- /**
- * Context related to the previous request.
- * As the contexts are accessed by the hardware until the switch is
- * completed to a new context, the hardware may still be writing
- * to the context object after the breadcrumb is visible. We must
- * not unpin/unbind/prune that object whilst still active and so
- * we keep the previous context pinned until the following (this)
- * request is retired.
- */
- struct i915_gem_context *previous_context;
-
/** Batch buffer related to this request if any (used for
* error state dump only).
*/
@@ -413,6 +402,25 @@ i915_gem_active_set(struct i915_gem_active *active,
rcu_assign_pointer(active->request, request);
}
+/**
+ * i915_gem_active_set_retire_fn - updates the retirement callback
+ * @active - the active tracker
+ * @fn - the routine called when the request is retired
+ * @mutex - struct_mutex used to guard retirements
+ *
+ * i915_gem_active_set_retire_fn() updates the function pointer that
+ * is called when the final request associated with the @active tracker
+ * is retired.
+ */
+static inline void
+i915_gem_active_set_retire_fn(struct i915_gem_active *active,
+ i915_gem_retire_fn fn,
+ struct mutex *mutex)
+{
+ lockdep_assert_held(mutex);
+ active->retire = fn ?: i915_gem_retire_noop;
+}
+
static inline struct drm_i915_gem_request *
__i915_gem_active_peek(const struct i915_gem_active *active)
{
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