Cross Reference: /src/sys/external/bsd/drm2/dist/drm/via/via

Lines Matching defs:blitq
461 	drm_via_blitq_t *blitq = dev_priv->blit_queues + engine;
467 	DRM_DEBUG("DMA blit handler called. engine = %d, from_irq = %d, blitq = 0x%lx\n",
468 		  engine, from_irq, (unsigned long) blitq);
471 		spin_lock(&blitq->blit_lock);
473 		spin_lock_irqsave(&blitq->blit_lock, irqsave);
475 	done_transfer = blitq->is_active &&
477 	done_transfer = done_transfer || (blitq->aborting && !(status & VIA_DMA_CSR_DE));
479 	cur = blitq->cur;
482 		blitq->blits[cur]->aborted = blitq->aborting;
483 		blitq->done_blit_handle++;
485 		DRM_SPIN_WAKEUP_ALL(&blitq->blit_queue[cur],
486 		    &blitq->blit_lock);
488 		wake_up(blitq->blit_queue + cur);
494 		blitq->cur = cur;
502 		blitq->is_active = 0;
503 		blitq->aborting = 0;
504 		schedule_work(&blitq->wq);
506 	} else if (blitq->is_active && time_after_eq(jiffies, blitq->end)) {
513 		blitq->aborting = 1;
514 		blitq->end = jiffies + HZ;
517 	if (!blitq->is_active) {
518 		if (blitq->num_outstanding) {
519 			via_fire_dmablit(dev, blitq->blits[cur], engine);
520 			blitq->is_active = 1;
521 			blitq->cur = cur;
522 			blitq->num_outstanding--;
523 			blitq->end = jiffies + HZ;
524 			if (!timer_pending(&blitq->poll_timer))
525 				mod_timer(&blitq->poll_timer, jiffies + 1);
527 			if (timer_pending(&blitq->poll_timer))
528 				del_timer(&blitq->poll_timer);
534 		spin_unlock(&blitq->blit_lock);
536 		spin_unlock_irqrestore(&blitq->blit_lock, irqsave);
547 via_dmablit_active(drm_via_blitq_t *blitq, int engine, uint32_t handle, drm_waitqueue_t **queue)
549 via_dmablit_active(drm_via_blitq_t *blitq, int engine, uint32_t handle, wait_queue_head_t **queue)
559 	spin_lock_irqsave(&blitq->blit_lock, irqsave);
566 	active = ((blitq->done_blit_handle - handle) > (1 << 23)) &&
567 		((blitq->cur_blit_handle - handle) <= (1 << 23));
570 		slot = handle - blitq->done_blit_handle + blitq->cur - 1;
573 		*queue = blitq->blit_queue + slot;
577 	spin_unlock_irqrestore(&blitq->blit_lock, irqsave);
592 	drm_via_blitq_t *blitq = dev_priv->blit_queues + engine;
601 	spin_lock(&blitq->blit_lock);
602 	if (via_dmablit_active(blitq, engine, handle, &queue)) {
603 		DRM_SPIN_WAIT_ON(ret, queue, &blitq->blit_lock, 3*HZ,
604 		    !via_dmablit_active(blitq, engine, handle, NULL));
606 	spin_unlock(&blitq->blit_lock);
608 	if (via_dmablit_active(blitq, engine, handle, &queue)) {
610 			    !via_dmablit_active(blitq, engine, handle, NULL));
633 	drm_via_blitq_t *blitq = from_timer(blitq, t, poll_timer);
634 	struct drm_device *dev = blitq->dev;
636 		(blitq - ((drm_via_private_t *)dev->dev_private)->blit_queues);
643 	if (!timer_pending(&blitq->poll_timer)) {
644 		mod_timer(&blitq->poll_timer, jiffies + 1);
669 	drm_via_blitq_t *blitq = container_of(work, drm_via_blitq_t, wq);
670 	struct drm_device *dev = blitq->dev;
677 		  (blitq - ((drm_via_private_t *)dev->dev_private)->blit_queues));
679 	spin_lock_irqsave(&blitq->blit_lock, irqsave);
681 	while (blitq->serviced != blitq->cur) {
683 		cur_released = blitq->serviced++;
687 		if (blitq->serviced >= VIA_NUM_BLIT_SLOTS)
688 			blitq->serviced = 0;
690 		cur_sg = blitq->blits[cur_released];
691 		blitq->num_free++;
694 		DRM_SPIN_WAKEUP_ONE(&blitq->busy_queue, &blitq->blit_lock);
697 		spin_unlock_irqrestore(&blitq->blit_lock, irqsave);
700 		wake_up(&blitq->busy_queue);
714 		spin_lock_irqsave(&blitq->blit_lock, irqsave);
717 	spin_unlock_irqrestore(&blitq->blit_lock, irqsave);
731 	drm_via_blitq_t *blitq;
736 		blitq = dev_priv->blit_queues + i;
737 		blitq->dev = dev;
738 		blitq->cur_blit_handle = 0;
739 		blitq->done_blit_handle = 0;
740 		blitq->head = 0;
741 		blitq->cur = 0;
742 		blitq->serviced = 0;
743 		blitq->num_free = VIA_NUM_BLIT_SLOTS - 1;
744 		blitq->num_outstanding = 0;
745 		blitq->is_active = 0;
746 		blitq->aborting = 0;
747 		spin_lock_init(&blitq->blit_lock);
750 			DRM_INIT_WAITQUEUE(blitq->blit_queue + j, "viablt");
751 		DRM_INIT_WAITQUEUE(&blitq->busy_queue, "viabusy");
754 			init_waitqueue_head(blitq->blit_queue + j);
755 		init_waitqueue_head(&blitq->busy_queue);
757 		INIT_WORK(&blitq->wq, via_dmablit_workqueue);
758 		timer_setup(&blitq->poll_timer, via_dmablit_timer, 0);
870 via_dmablit_grab_slot(drm_via_blitq_t *blitq, int engine)
875 	DRM_DEBUG("Num free is %d\n", blitq->num_free);
876 	spin_lock_irqsave(&blitq->blit_lock, irqsave);
877 	while (blitq->num_free == 0) {
879 		DRM_SPIN_WAIT_ON(ret, &blitq->busy_queue, &blitq->blit_lock,
881 		    blitq->num_free > 0);
887 			spin_unlock_irqrestore(&blitq->blit_lock, irqsave);
891 		spin_unlock_irqrestore(&blitq->blit_lock, irqsave);
893 		VIA_WAIT_ON(ret, blitq->busy_queue, HZ, blitq->num_free > 0);
897 		spin_lock_irqsave(&blitq->blit_lock, irqsave);
901 	blitq->num_free--;
902 	spin_unlock_irqrestore(&blitq->blit_lock, irqsave);
912 via_dmablit_release_slot(drm_via_blitq_t *blitq)
916 	spin_lock_irqsave(&blitq->blit_lock, irqsave);
917 	blitq->num_free++;
919 	DRM_SPIN_WAKEUP_ONE(&blitq->busy_queue, &blitq->blit_lock);
921 	spin_unlock_irqrestore(&blitq->blit_lock, irqsave);
923 	wake_up(&blitq->busy_queue);
937 	drm_via_blitq_t *blitq;
948 	blitq = dev_priv->blit_queues + engine;
949 	if (0 != (ret = via_dmablit_grab_slot(blitq, engine)))
952 		via_dmablit_release_slot(blitq);
956 		via_dmablit_release_slot(blitq);
968 	spin_lock_irqsave(&blitq->blit_lock, irqsave);
970 	blitq->blits[blitq->head++] = vsg;
971 	if (blitq->head >= VIA_NUM_BLIT_SLOTS)
972 		blitq->head = 0;
973 	blitq->num_outstanding++;
974 	xfer->sync.sync_handle = ++blitq->cur_blit_handle;
976 	spin_unlock_irqrestore(&blitq->blit_lock, irqsave);