From: Alan Cox <alan@linux.intel.com>
Date: Tue, 24 Jan 2012 16:57:42 +0000 (+0000)
Subject: gma500: Fix shmem mapping
X-Git-Tag: upstream/snapshot3+hdmi~8239^2~8
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=15b63d35261ba3351d07e7937252f18bb6cbf814;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

gma500: Fix shmem mapping

GMA500 did it the old way and it's been on the TODO list to fix. Current kernels
now blow up if we use the old way so we'd better do the work !

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

diff --git a/drivers/gpu/drm/gma500/gtt.c b/drivers/gpu/drm/gma500/gtt.c
index e770bd1..5d5330f 100644
--- a/drivers/gpu/drm/gma500/gtt.c
+++ b/drivers/gpu/drm/gma500/gtt.c
@@ -20,6 +20,7 @@
  */
 
 #include <drm/drmP.h>
+#include <linux/shmem_fs.h>
 #include "psb_drv.h"
 
 
@@ -203,9 +204,7 @@ static int psb_gtt_attach_pages(struct gtt_range *gt)
 	gt->npage = pages;
 
 	for (i = 0; i < pages; i++) {
-		/* FIXME: needs updating as per mail from Hugh Dickins */
-		p = read_cache_page_gfp(mapping, i,
-					__GFP_COLD | GFP_KERNEL);
+		p = shmem_read_mapping_page(mapping, i);
 		if (IS_ERR(p))
 			goto err;
 		gt->pages[i] = p;