Lines Matching defs:dma
304 struct drm_device_dma *dma = dev->dma;
309 if (!dma)
311 if (!dma->pagelist)
317 page = virt_to_page((void *)dma->pagelist[page_nr]);
464 struct drm_device_dma *dma;
468 dma = dev->dma;
473 if (!dma || (length >> PAGE_SHIFT) != dma->page_count) {
478 (dma->flags & _DRM_DMA_USE_PCI_RO)) {
537 /* We check for "dma". On Apple's UniNorth, it's valid to have
582 * On some platforms we can't talk to bus dma address from the CPU, so for