Re: [PATCH 09/18] drm/cma-helper: Don't grab dev->struct_mutex for in mmap offset ioctl

On Thu, Jul 09, 2015 at 11:32:41PM +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).

Cc: Laurent Pinchart laurent.pinchart@ideasonboard.com Cc: Rob Clark robdclark@gmail.com Signed-off-by: Daniel Vetter daniel.vetter@intel.com

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drivers/gpu/drm/drm_gem_cma_helper.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-)

Reviewed-by: Thierry Reding treding@nvidia.com