From 428ccb21b740f603a6a1f08cbe6d935fb3177620 Mon Sep 17 00:00:00 2001
From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Thu, 9 Feb 2012 17:15:45 +0100
Subject: 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>
---
 include/drm/intel-gtt.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'include/drm/intel-gtt.h')

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);
-- 
cgit