commit f3deef730d52c94ce21ada7e4ceb63aa28a8601b
author George Sapountzis <gsap7@yahoo.gr> Mon Oct 02 05:46:42 2006 +0300
committer George Sapountzis <gsap7@yahoo.gr> Mon Oct 02 22:47:23 2006 +0300
tree e68d16345e3700c9b173397632a0ff9214e4bd5c
parent 25760c30d4aedb370423d0bb03c014cab47b5d4f

Bug 6242: [mach64] Use private DMA buffers, part #3.

Add DRM_PCI_BUFFER_RO flag for mapping PCI DMA buffer read-only. An additional
flag is needed, since PCI DMA buffers do not have an associated map.

libdrm/xf86drm.h

diff --git a/libdrm/xf86drm.h b/libdrm/xf86drm.h
index 2ad7080..d58baa7 100644
--- a/libdrm/xf86drm.h
+++ b/libdrm/xf86drm.h
@@ -149,7 +149,8 @@
     DRM_PAGE_ALIGN       = 0x01,
     DRM_AGP_BUFFER       = 0x02,
     DRM_SG_BUFFER        = 0x04,
-    DRM_FB_BUFFER        = 0x08
+    DRM_FB_BUFFER        = 0x08,
+    DRM_PCI_BUFFER_RO    = 0x10
 } drmBufDescFlags;
 
 typedef enum {