3023 	struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe];  in i915_pipe_crc_open()  local
3028 	spin_lock_irq(&pipe_crc->lock);  in i915_pipe_crc_open()
3030 	if (pipe_crc->opened) {  in i915_pipe_crc_open()
3031 		spin_unlock_irq(&pipe_crc->lock);  in i915_pipe_crc_open()
3035 	pipe_crc->opened = true;  in i915_pipe_crc_open()
3038 	spin_unlock_irq(&pipe_crc->lock);  in i915_pipe_crc_open()
3047 	struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe];  in i915_pipe_crc_release()  local
3049 	spin_lock_irq(&pipe_crc->lock);  in i915_pipe_crc_release()
3050 	pipe_crc->opened = false;  in i915_pipe_crc_release()
3051 	spin_unlock_irq(&pipe_crc->lock);  in i915_pipe_crc_release()
3061 static int pipe_crc_data_count(struct intel_pipe_crc *pipe_crc)  in pipe_crc_data_count()  argument
3063 	assert_spin_locked(&pipe_crc->lock);  in pipe_crc_data_count()
3064 	return CIRC_CNT(pipe_crc->head, pipe_crc->tail,  in pipe_crc_data_count()
3075 	struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe];  in i915_pipe_crc_read()  local
3087 	if (pipe_crc->source == INTEL_PIPE_CRC_SOURCE_NONE)  in i915_pipe_crc_read()
3091 	spin_lock_irq(&pipe_crc->lock);  in i915_pipe_crc_read()
3092 	while (pipe_crc_data_count(pipe_crc) == 0) {  in i915_pipe_crc_read()
3096 			spin_unlock_irq(&pipe_crc->lock);  in i915_pipe_crc_read()
3100 		ret = wait_event_interruptible_lock_irq(pipe_crc->wq,  in i915_pipe_crc_read()
3101 				pipe_crc_data_count(pipe_crc), pipe_crc->lock);  in i915_pipe_crc_read()
3103 			spin_unlock_irq(&pipe_crc->lock);  in i915_pipe_crc_read()
3114 			&pipe_crc->entries[pipe_crc->tail];  in i915_pipe_crc_read()
3117 		if (CIRC_CNT(pipe_crc->head, pipe_crc->tail,  in i915_pipe_crc_read()
3122 		pipe_crc->tail = (pipe_crc->tail + 1) & (INTEL_PIPE_CRC_ENTRIES_NR - 1);  in i915_pipe_crc_read()
3130 		spin_unlock_irq(&pipe_crc->lock);  in i915_pipe_crc_read()
3139 		spin_lock_irq(&pipe_crc->lock);  in i915_pipe_crc_read()
3142 	spin_unlock_irq(&pipe_crc->lock);  in i915_pipe_crc_read()
3212 			   pipe_crc_source_name(dev_priv->pipe_crc[i].source));  in display_crc_ctl_show()
3598 	struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe];  in pipe_crc_set_source()  local
3604 	if (pipe_crc->source == source)  in pipe_crc_set_source()
3608 	if (pipe_crc->source && source)  in pipe_crc_set_source()
3638 				  sizeof(pipe_crc->entries[0]),  in pipe_crc_set_source()
3651 		spin_lock_irq(&pipe_crc->lock);  in pipe_crc_set_source()
3652 		kfree(pipe_crc->entries);  in pipe_crc_set_source()
3653 		pipe_crc->entries = entries;  in pipe_crc_set_source()
3654 		pipe_crc->head = 0;  in pipe_crc_set_source()
3655 		pipe_crc->tail = 0;  in pipe_crc_set_source()
3656 		spin_unlock_irq(&pipe_crc->lock);  in pipe_crc_set_source()
3659 	pipe_crc->source = source;  in pipe_crc_set_source()
3678 		spin_lock_irq(&pipe_crc->lock);  in pipe_crc_set_source()
3679 		entries = pipe_crc->entries;  in pipe_crc_set_source()
3680 		pipe_crc->entries = NULL;  in pipe_crc_set_source()
3681 		pipe_crc->head = 0;  in pipe_crc_set_source()
3682 		pipe_crc->tail = 0;  in pipe_crc_set_source()
3683 		spin_unlock_irq(&pipe_crc->lock);  in pipe_crc_set_source()
4727 		struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe];  in intel_display_crc_init()  local
4729 		pipe_crc->opened = false;  in intel_display_crc_init()
4730 		spin_lock_init(&pipe_crc->lock);  in intel_display_crc_init()
4731 		init_waitqueue_head(&pipe_crc->wq);  in intel_display_crc_init()