linux-kernel - [PATCH] drm: fix compile failure by including <linux/swiotlb.h>

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Date:	Fri, 1 Feb 2013 13:44:33 -0500
From:	Chris Metcalf <cmetcalf@...era.com>
To:	<linux-kernel@...r.kernel.org>, David Airlie <airlied@...ux.ie>,
	Ben Skeggs <bskeggs@...hat.com>,
	Dave Airlie <airlied@...hat.com>,
	Maarten Lankhorst <maarten.lankhorst@...onical.com>,
	Thomas Hellstrom <thellstrom@...are.com>,
	Alex Deucher <alexander.deucher@....com>,
	Jerome Glisse <jglisse@...hat.com>,
	Christian Konig <deathsimple@...afone.de>,
	<dri-devel@...ts.freedesktop.org>
Subject: [PATCH] drm: fix compile failure by including <linux/swiotlb.h>

On tile architecture (with "make allyesconfig") including
<linux/swiotlb.h> is required to call swiotlb_nr_tbl().

Signed-off-by: Chris Metcalf <cmetcalf@...era.com>
---
 drivers/gpu/drm/nouveau/nouveau_bo.c |    1 +
 drivers/gpu/drm/radeon/radeon_ttm.c  |    1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 69d7b1d..1699a90 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -28,6 +28,7 @@
  */
 
 #include <core/engine.h>
+#include <linux/swiotlb.h>
 
 #include <subdev/fb.h>
 #include <subdev/vm.h>
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 1d8ff2f..93f760e 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -38,6 +38,7 @@
 #include <drm/radeon_drm.h>
 #include <linux/seq_file.h>
 #include <linux/slab.h>
+#include <linux/swiotlb.h>
 #include "radeon_reg.h"
 #include "radeon.h"
 
-- 
1.7.10.3

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