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From: Stephen Rothwell on 22 Jul 2010 00:00
Hi Linus,

After merging the final tree, today's linux-next build (powerpc
allyesconfig) failed like this:

drivers/gpu/drm/ttm/ttm_page_alloc.c: In function 'set_pages_a
rray_wb':
drivers/gpu/drm/ttm/ttm_page_alloc.c:227: error: implicit declaration of function 'unmap_page_from_agp'
drivers/gpu/drm/ttm/ttm_page_alloc.c: In function 'set_pages_array_wc':
drivers/gpu/drm/ttm/ttm_page_alloc.c:238: error: implicit declaration of function 'map_page_into_agp'

Presumably caused by commit 1e8655f87333def92bb8215b423adc65403b08a5
("drm/ttm: Fix build on architectures without AGP") as unmap_page_from_agp()
is declared in asm/agp.h.

I have applied the following patch for today:

From: Stephen Rothwell <sfr(a)canb.auug.org.au>
Date: Thu, 22 Jul 2010 13:53:55 +1000
Subject: [PATCH] drm/ttm: really fix build on architectures without AGP

After commit 1e8655f87333def92bb8215b423adc65403b08a5
("drm/ttm: Fix build on architectures without AGP") was merged, linux-next
got this build failure for a powerpc allyesconfig build:

drivers/gpu/drm/ttm/ttm_page_alloc.c: In function 'set_pages_a
rray_wb':
drivers/gpu/drm/ttm/ttm_page_alloc.c:227: error: implicit declaration of function 'unmap_page_from_agp'
drivers/gpu/drm/ttm/ttm_page_alloc.c: In function 'set_pages_array_wc':
drivers/gpu/drm/ttm/ttm_page_alloc.c:238: error: implicit declaration of function 'map_page_into_agp'

Signed-off-by: Stephen Rothwell <sfr(a)canb.auug.org.au>
---
drivers/gpu/drm/ttm/ttm_page_alloc.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
index d233c65..590f0c2 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -40,12 +40,12 @@
#include <linux/slab.h>

#include <asm/atomic.h>
-#ifdef TTM_HAS_AGP
-#include <asm/agp.h>
-#endif

#include "ttm/ttm_bo_driver.h"
#include "ttm/ttm_page_alloc.h"
+#ifdef TTM_HAS_AGP
+#include <asm/agp.h>
+#endif


#define NUM_PAGES_TO_ALLOC (PAGE_SIZE/sizeof(struct page *))
--
1.7.1

--
Cheers,
Stephen Rothwell sfr(a)canb.auug.org.au
http://www.canb.auug.org.au/~sfr/
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