drm (ast, cirrus, mgag200, nouveau, savage, vmwgfx): Remove drm_mtrr_{add, del}
This replaces drm_mtrr_{add,del} with arch_phys_wc_{add,del}. The interface is simplified (because the base and size parameters to drm_mtrr_del never did anything), and it no longer adds MTRRs on systems that don't need them. Reviewed-by:Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by:
Andy Lutomirski <luto@amacapital.net> Signed-off-by:
Dave Airlie <airlied@redhat.com>
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d0d98eed
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