From ddf19b973be5a96d77c8467f657fe5bd7d126e0f Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Sun, 19 Mar 2006 18:56:12 +1100 Subject: drm: fixup PCI DMA support This patch makes the PCI support use the correct Linux interfaces finally. Tested in DRM CVS on PCI MGA card. Signed-off-by: Dave Airlie --- drivers/char/drm/drm_bufs.c | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-) (limited to 'drivers/char/drm/drm_bufs.c') diff --git a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c index e2637b4d51d..8a9cf12e618 100644 --- a/drivers/char/drm/drm_bufs.c +++ b/drivers/char/drm/drm_bufs.c @@ -474,8 +474,7 @@ 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, @@ -678,7 +677,7 @@ 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; @@ -781,8 +780,10 @@ 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; @@ -794,13 +795,13 @@ 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; @@ -811,7 +812,8 @@ 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