From 0a211db23c0d7e22946aa25f22e9aeab6783b617 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Sun, 19 Feb 2006 12:08:14 +0000 Subject: experimental PCI DMA fixes use proper Linux interfaces --- linux-core/drm_bufs.c | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-) (limited to 'linux-core/drm_bufs.c') diff --git a/linux-core/drm_bufs.c b/linux-core/drm_bufs.c index a91eac16..4491b9e9 100644 --- a/linux-core/drm_bufs.c +++ b/linux-core/drm_bufs.c @@ -515,8 +515,7 @@ static void drm_cleanup_buf_error(drm_device_t * dev, drm_buf_entry_t * entry) if (entry->seg_count) { for (i = 0; i < entry->seg_count; i++) { if (entry->seglist[i]) { - drm_free_pages(entry->seglist[i], - entry->page_order, DRM_MEM_DMA); + drm_pci_free(dev, entry->seglist[i]); } } drm_free(entry->seglist, @@ -733,7 +732,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request) int total; int page_order; drm_buf_entry_t *entry; - unsigned long page; + drm_dma_handle_t *dmah; drm_buf_t *buf; int alignment; unsigned long offset; @@ -836,8 +835,10 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request) page_count = 0; while (entry->buf_count < count) { - page = drm_alloc_pages(page_order, DRM_MEM_DMA); - if (!page) { + + dmah = drm_pci_alloc(dev, PAGE_SIZE << page_order, 0x1000, 0xfffffffful); + + if (!dmah) { /* Set count correctly so we free the proper amount. */ entry->buf_count = count; entry->seg_count = count; @@ -849,13 +850,13 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request) atomic_dec(&dev->buf_alloc); return -ENOMEM; } - entry->seglist[entry->seg_count++] = page; + entry->seglist[entry->seg_count++] = dmah; for (i = 0; i < (1 << page_order); i++) { DRM_DEBUG("page %d @ 0x%08lx\n", dma->page_count + page_count, - page + PAGE_SIZE * i); + (unsigned long)dmah->vaddr + PAGE_SIZE * i); temp_pagelist[dma->page_count + page_count++] - = page + PAGE_SIZE * i; + = (unsigned long)dmah->vaddr + PAGE_SIZE * i; } for (offset = 0; offset + size <= total && entry->buf_count < count; @@ -866,7 +867,8 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request) buf->order = order; buf->used = 0; buf->offset = (dma->byte_count + byte_count + offset); - buf->address = (void *)(page + offset); + buf->address = (void *)(dmah->vaddr + offset); + buf->bus_address = dmah->busaddr + offset; buf->next = NULL; buf->waiting = 0; buf->pending = 0; -- cgit v1.2.3