Op 01-02-13 19:44, Chris Metcalf schreef:

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

I'll take your word for the need, since I lack the hardware to verify the failure. :-) Applying your patch doesn't seem to break compilation on x86 though, which is good enough for me.

Acked-by: Maarten Lankhorst maarten.lankhorst@canonical.com

Signed-off-by: Chris Metcalf cmetcalf@tilera.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"