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Gerd Hoffmann authored
Factors out code, no functional change. Signed-off-by:
Gerd Hoffmann <kraxel@redhat.com> Acked-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Tested-by:
Laurent Vivier <lvivier@redhat.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170403070845.10793-2-kraxel@redhat.com
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