3313 	struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe];  in i915_pipe_crc_open()  local
3318 	spin_lock_irq(&pipe_crc->lock);  in i915_pipe_crc_open()
3320 	if (pipe_crc->opened) {  in i915_pipe_crc_open()
3321 		spin_unlock_irq(&pipe_crc->lock);  in i915_pipe_crc_open()
3325 	pipe_crc->opened = true;  in i915_pipe_crc_open()
3328 	spin_unlock_irq(&pipe_crc->lock);  in i915_pipe_crc_open()
3337 	struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe];  in i915_pipe_crc_release()  local
3339 	spin_lock_irq(&pipe_crc->lock);  in i915_pipe_crc_release()
3340 	pipe_crc->opened = false;  in i915_pipe_crc_release()
3341 	spin_unlock_irq(&pipe_crc->lock);  in i915_pipe_crc_release()
3351 static int pipe_crc_data_count(struct intel_pipe_crc *pipe_crc)  in pipe_crc_data_count()  argument
3353 	assert_spin_locked(&pipe_crc->lock);  in pipe_crc_data_count()
3354 	return CIRC_CNT(pipe_crc->head, pipe_crc->tail,  in pipe_crc_data_count()
3365 	struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe];  in i915_pipe_crc_read()  local
3377 	if (pipe_crc->source == INTEL_PIPE_CRC_SOURCE_NONE)  in i915_pipe_crc_read()
3381 	spin_lock_irq(&pipe_crc->lock);  in i915_pipe_crc_read()
3382 	while (pipe_crc_data_count(pipe_crc) == 0) {  in i915_pipe_crc_read()
3386 			spin_unlock_irq(&pipe_crc->lock);  in i915_pipe_crc_read()
3390 		ret = wait_event_interruptible_lock_irq(pipe_crc->wq,  in i915_pipe_crc_read()
3391 				pipe_crc_data_count(pipe_crc), pipe_crc->lock);  in i915_pipe_crc_read()
3393 			spin_unlock_irq(&pipe_crc->lock);  in i915_pipe_crc_read()
3404 			&pipe_crc->entries[pipe_crc->tail];  in i915_pipe_crc_read()
3407 		if (CIRC_CNT(pipe_crc->head, pipe_crc->tail,  in i915_pipe_crc_read()
3412 		pipe_crc->tail = (pipe_crc->tail + 1) & (INTEL_PIPE_CRC_ENTRIES_NR - 1);  in i915_pipe_crc_read()
3420 		spin_unlock_irq(&pipe_crc->lock);  in i915_pipe_crc_read()
3429 		spin_lock_irq(&pipe_crc->lock);  in i915_pipe_crc_read()
3432 	spin_unlock_irq(&pipe_crc->lock);  in i915_pipe_crc_read()
3502 			   pipe_crc_source_name(dev_priv->pipe_crc[i].source));  in display_crc_ctl_show()
3873 	struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe];  in pipe_crc_set_source()  local
3879 	if (pipe_crc->source == source)  in pipe_crc_set_source()
3883 	if (pipe_crc->source && source)  in pipe_crc_set_source()
3913 				  sizeof(pipe_crc->entries[0]),  in pipe_crc_set_source()
3926 		spin_lock_irq(&pipe_crc->lock);  in pipe_crc_set_source()
3927 		kfree(pipe_crc->entries);  in pipe_crc_set_source()
3928 		pipe_crc->entries = entries;  in pipe_crc_set_source()
3929 		pipe_crc->head = 0;  in pipe_crc_set_source()
3930 		pipe_crc->tail = 0;  in pipe_crc_set_source()
3931 		spin_unlock_irq(&pipe_crc->lock);  in pipe_crc_set_source()
3934 	pipe_crc->source = source;  in pipe_crc_set_source()
3953 		spin_lock_irq(&pipe_crc->lock);  in pipe_crc_set_source()
3954 		entries = pipe_crc->entries;  in pipe_crc_set_source()
3955 		pipe_crc->entries = NULL;  in pipe_crc_set_source()
3956 		pipe_crc->head = 0;  in pipe_crc_set_source()
3957 		pipe_crc->tail = 0;  in pipe_crc_set_source()
3958 		spin_unlock_irq(&pipe_crc->lock);  in pipe_crc_set_source()
5283 		struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe];  in intel_display_crc_init()  local
5285 		pipe_crc->opened = false;  in intel_display_crc_init()
5286 		spin_lock_init(&pipe_crc->lock);  in intel_display_crc_init()
5287 		init_waitqueue_head(&pipe_crc->wq);  in intel_display_crc_init()