Author: rnoland
Date: Mon Mar 30 18:01:42 2009
New Revision: 190565
URL: http://svn.freebsd.org/changeset/base/190565
Log:
We don't know what these pages are going to be used for, they should be
un-cached. This got lost somewhere with all the bus_dma fixups.
MFC after: 3 days
Modified:
head/sys/dev/drm/drm_pci.c
Modified: head/sys/dev/drm/drm_pci.c
==============================================================================
--- head/sys/dev/drm/drm_pci.c Mon Mar 30 18:01:12 2009 (r190564)
+++ head/sys/dev/drm/drm_pci.c Mon Mar 30 18:01:42 2009 (r190565)
@@ -91,7 +91,7 @@ drm_pci_alloc(struct drm_device *dev, si
}
ret = bus_dmamem_alloc(dmah->tag, &dmah->vaddr,
- BUS_DMA_WAITOK | BUS_DMA_ZERO, &dmah->map);
+ BUS_DMA_WAITOK | BUS_DMA_ZERO | BUS_DMA_NOCACHE, &dmah->map);
if (ret != 0) {
bus_dma_tag_destroy(dmah->tag);
free(dmah, DRM_MEM_DMA);
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