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path: root/drivers/gpu/drm/drm_pci.c
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Diffstat (limited to 'drivers/gpu/drm/drm_pci.c')
-rw-r--r--drivers/gpu/drm/drm_pci.c36
1 files changed, 3 insertions, 33 deletions
diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c
index f2e43d341980..c6bb98729a26 100644
--- a/drivers/gpu/drm/drm_pci.c
+++ b/drivers/gpu/drm/drm_pci.c
@@ -51,8 +51,6 @@
drm_dma_handle_t *drm_pci_alloc(struct drm_device * dev, size_t size, size_t align)
{
drm_dma_handle_t *dmah;
- unsigned long addr;
- size_t sz;
/* pci_alloc_consistent only guarantees alignment to the smallest
* PAGE_SIZE order which is greater than or equal to the requested size.
@@ -68,47 +66,18 @@ drm_dma_handle_t *drm_pci_alloc(struct drm_device * dev, size_t size, size_t ali
dmah->size = size;
dmah->vaddr = dma_alloc_coherent(&dev->pdev->dev, size,
&dmah->busaddr,
- GFP_KERNEL | __GFP_COMP);
+ GFP_KERNEL);
if (dmah->vaddr == NULL) {
kfree(dmah);
return NULL;
}
- /* XXX - Is virt_to_page() legal for consistent mem? */
- /* Reserve */
- for (addr = (unsigned long)dmah->vaddr, sz = size;
- sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) {
- SetPageReserved(virt_to_page((void *)addr));
- }
-
return dmah;
}
EXPORT_SYMBOL(drm_pci_alloc);
-/*
- * Free a PCI consistent memory block without freeing its descriptor.
- *
- * This function is for internal use in the Linux-specific DRM core code.
- */
-void __drm_legacy_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah)
-{
- unsigned long addr;
- size_t sz;
-
- if (dmah->vaddr) {
- /* XXX - Is virt_to_page() legal for consistent mem? */
- /* Unreserve */
- for (addr = (unsigned long)dmah->vaddr, sz = dmah->size;
- sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) {
- ClearPageReserved(virt_to_page((void *)addr));
- }
- dma_free_coherent(&dev->pdev->dev, dmah->size, dmah->vaddr,
- dmah->busaddr);
- }
-}
-
/**
* drm_pci_free - Free a PCI consistent memory block
* @dev: DRM device
@@ -119,7 +88,8 @@ void __drm_legacy_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah)
*/
void drm_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah)
{
- __drm_legacy_pci_free(dev, dmah);
+ dma_free_coherent(&dev->pdev->dev, dmah->size, dmah->vaddr,
+ dmah->busaddr);
kfree(dmah);
}