[PATCH] drm/nouveau/platform: add IOMMU dependency

[Thierry Reding]

On Tue, May 19, 2015 at 02:53:26PM +0200, Arnd Bergmann wrote:
> The recently added iommu code in the nouveau driver fails to build
> when the IOMMU support is disabled:
> 
> drivers/gpu/drm/nouveau/nouveau_platform.c: In function 'nouveau_platform_probe_iommu':
> drivers/gpu/drm/nouveau/nouveau_platform.c:113:41: error: 'const struct iommu_ops' has no mem
> 
> To avoid the build error, this now adds an explicit dependency on the
> IOMMU implementation.
> 
> Signed-off-by: Arnd Bergmann <arnd at arndb.de>
> Fixes: 58fd9375c2c5 ("drm/nouveau/platform: probe IOMMU if present")

Acked-by: Thierry Reding <treding at nvidia.com>
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