[PATCH V2] drm/radeon: Include swiotlb.h if SWIOTLB configured.

[Michel Dänzer]

On Mon, 2012-08-13 at 20:40 +0800, Huacai Chen wrote: 
> When SWIOTLB is configured, if without this patch kernel compilation
> fails with such error messages:
> 
> drivers/gpu/drm/radeon/radeon_ttm.c: In function 'radeon_ttm_tt_populate':
> drivers/gpu/drm/radeon/radeon_ttm.c:606:2: error: implicit declaration of function 'swiotlb_nr_tbl'
> drivers/gpu/drm/radeon/radeon_ttm.c:607:3: warning: passing argument 2 of 'ttm_dma_populate' from incompatible pointer type
> include/drm/ttm/ttm_page_alloc.h:81:12: note: expected 'struct device *' but argument is of type 'struct device *'
> drivers/gpu/drm/radeon/radeon_ttm.c: In function 'radeon_ttm_tt_unpopulate':
> drivers/gpu/drm/radeon/radeon_ttm.c:653:3: warning: passing argument 2 of 'ttm_dma_unpopulate' from incompatible pointer type
> include/drm/ttm/ttm_page_alloc.h:82:13: note: expected 'struct device *' but argument is of type 'struct device *'
> 
> V2:
> 1, Add compilation error messages;
> 2, Make the From: address the same as Signed-off-by address.
> 
> Signed-off-by: Huacai Chen <chenhc at lemote.com>

Reviewed-by: Michel Dänzer <michel.daenzer at amd.com>


-- 
Earthling Michel Dänzer           |                   http://www.amd.com
Libre software enthusiast         |          Debian, X and DRI developer