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

[Maarten Lankhorst]

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 at canonical.com>
> Signed-off-by: Chris Metcalf <cmetcalf at 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"
>