[PATCH] drm/tegra: don't take dev->struct_mutex in mmap offset ioctl

[Thierry Reding]

On Thu, Oct 15, 2015 at 02:35:04PM +0200, Daniel Vetter wrote:
> Since David Herrmann's mmap vma manager rework we don't need to grab
> dev->struct_mutex any more to prevent races when looking up the mmap
> offset. Drop it and instead don't forget to use the unref_unlocked
> variant (since the drm core still cares).
> 
> v2: Finally get rid of the copypasta from another commit in this
> commit message. And convert to _unlocked like we need to (Patrik).
> 
> Cc: Patrik Jakobsson <patrik.r.jakobsson at gmail.com>
> Cc: Thierry Reding <thierry.reding at gmail.com>
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
> ---
>  drivers/gpu/drm/tegra/gem.c | 7 +------
>  1 file changed, 1 insertion(+), 6 deletions(-)

Looks good to me:

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