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authorDaniel Vetter <daniel.vetter@ffwll.ch>2012-02-09 20:15:45 +0400
committerDaniel Vetter <daniel.vetter@ffwll.ch>2012-02-10 00:24:18 +0400
commit428ccb21b740f603a6a1f08cbe6d935fb3177620 (patch)
tree397bab4ab8906e62430be6b3c02c75e9ff6bec90 /include/drm
parent50a4c4a94d24fe13167e3ab1dc1486623369c31a (diff)
downloadlinux-428ccb21b740f603a6a1f08cbe6d935fb3177620.tar.xz
agp/intel-gtt: export the gtt pagetable iomapping
We need this because ppgtt page directory entries need to be in the global gtt pagetable. Reviewed-by: Ben Widawsky <ben@bwidawsk.net> Tested-by: Chris Wilson <chris@chris-wilson.co.uk> Tested-by: Eugeni Dodonov <eugeni.dodonov@intel.com> Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com> Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/intel-gtt.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/drm/intel-gtt.h b/include/drm/intel-gtt.h
index 6d4c77ac7d76..0a0001b9dc78 100644
--- a/include/drm/intel-gtt.h
+++ b/include/drm/intel-gtt.h
@@ -17,6 +17,8 @@ const struct intel_gtt {
unsigned int do_idle_maps : 1;
/* Share the scratch page dma with ppgtts. */
dma_addr_t scratch_page_dma;
+ /* for ppgtt PDE access */
+ u32 __iomem *gtt;
} *intel_gtt_get(void);
void intel_gtt_chipset_flush(void);