i915/display/intel_frontbuffer.c

168 void __intel_fb_invalidate(struct intel_frontbuffer *front,
172 	struct drm_i915_private *i915 = intel_bo_to_i915(front->obj);
189 void __intel_fb_flush(struct intel_frontbuffer *front,
193 	struct drm_i915_private *i915 = intel_bo_to_i915(front->obj);
209 	struct intel_frontbuffer *front =
212 	i915_gem_object_flush_if_display(front->obj);
213 	intel_frontbuffer_flush(front, ORIGIN_DIRTYFB);
214 	intel_frontbuffer_put(front);
219  * @front: GEM object to flush
224 void intel_frontbuffer_queue_flush(struct intel_frontbuffer *front)
226 	if (!front)
229 	kref_get(&front->ref);
230 	if (!schedule_work(&front->flush_work))
231 		intel_frontbuffer_put(front);
236 	struct intel_frontbuffer *front =
237 		container_of(ref, typeof(*front), write);
239 	kref_get(&front->ref);
245 	struct intel_frontbuffer *front =
246 		container_of(ref, typeof(*front), write);
248 	intel_frontbuffer_flush(front, ORIGIN_CS);
249 	intel_frontbuffer_put(front);
253 	__releases(&intel_bo_to_i915(front->obj)->display.fb_tracking.lock)
255 	struct intel_frontbuffer *ret, *front =
256 		container_of(ref, typeof(*front), ref);
257 	struct drm_i915_gem_object *obj = front->obj;
259 	drm_WARN_ON(&intel_bo_to_i915(obj)->drm, atomic_read(&front->bits));
267 	i915_active_fini(&front->write);
268 	kfree_rcu(front, rcu);
275 	struct intel_frontbuffer *front, *cur;
277 	front = i915_gem_object_get_frontbuffer(obj);
278 	if (front)
279 		return front;
281 	front = kmalloc(sizeof(*front), GFP_KERNEL);
282 	if (!front)
285 	front->obj = obj;
286 	kref_init(&front->ref);
287 	atomic_set(&front->bits, 0);
288 	i915_active_init(&front->write,
292 	INIT_WORK(&front->flush_work, intel_frontbuffer_flush_work);
295 	cur = i915_gem_object_set_frontbuffer(obj, front);
297 	if (cur != front)
298 		kfree(front);
302 void intel_frontbuffer_put(struct intel_frontbuffer *front)
304 	kref_put_lock(&front->ref,
306 		      &intel_bo_to_i915(front->obj)->display.fb_tracking.lock);