dev/drm/savage_bci.c

367 	unsigned int cur = dev_priv->current_dma_page;
369 		dev_priv->dma_pages[cur].used;
375 	DRM_DEBUG("cur=%u, cur->used=%u, n=%u, rest=%u, nr_pages=%u\n",
376 		  cur, dev_priv->dma_pages[cur].used, n, rest, nr_pages);
378 	if (cur + nr_pages < dev_priv->nr_dma_pages) {
380 		    cur * SAVAGE_DMA_PAGE_SIZE + dev_priv->dma_pages[cur].used;
383 		dev_priv->dma_pages[cur].used += rest;
385 		cur++;
390 		for (i = cur; i < dev_priv->nr_dma_pages; ++i) {
396 		dev_priv->first_dma_page = cur = 0;
398 	for (i = cur; nr_pages > 0; ++i, --nr_pages) {
413 	DRM_DEBUG("cur=%u, cur->used=%u, n=%u\n",
424 	unsigned int cur = dev_priv->current_dma_page;
430 	if (first == cur &&
431 	    dev_priv->dma_pages[cur].used == dev_priv->dma_pages[cur].flushed)
436 	pad = -dev_priv->dma_pages[cur].used & 1;
437 	align = -(dev_priv->dma_pages[cur].used + pad) & 7;
439 	DRM_DEBUG("first=%u, cur=%u, first->flushed=%u, cur->used=%u, "
441 		  first, cur, dev_priv->dma_pages[first].flushed,
442 		  dev_priv->dma_pages[cur].used, pad, align);
447 		    cur * SAVAGE_DMA_PAGE_SIZE + dev_priv->dma_pages[cur].used;
448 		dev_priv->dma_pages[cur].used += pad;
461 	len = (cur - first) * SAVAGE_DMA_PAGE_SIZE +
462 	    dev_priv->dma_pages[cur].used - dev_priv->dma_pages[first].flushed;
473 	dev_priv->dma_pages[cur].used += align;
478 	for (i = first; i < cur; ++i) {
484 	if (dev_priv->dma_pages[cur].used == SAVAGE_DMA_PAGE_SIZE) {
485 		SET_AGE(&dev_priv->dma_pages[cur].age, event, wrap);
486 		dev_priv->dma_pages[cur].used = 0;
487 		dev_priv->dma_pages[cur].flushed = 0;
489 		cur++;
490 		if (cur == dev_priv->nr_dma_pages)
491 			cur = 0;
492 		dev_priv->first_dma_page = dev_priv->current_dma_page = cur;
494 		dev_priv->first_dma_page = cur;
495 		dev_priv->dma_pages[cur].flushed = dev_priv->dma_pages[i].used;
499 	DRM_DEBUG("first=cur=%u, cur->used=%u, cur->flushed=%u\n", cur,
500 		  dev_priv->dma_pages[cur].used,
501 		  dev_priv->dma_pages[cur].flushed);
513 	DRM_DEBUG("first=%u, cur=%u, cur->used=%u\n",