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The flags field in struct udl_gem controls mapping parameters: cached access for local buffers, write-combined access for imported buffers. We can drop the field and distinguish both cases by testing whether struct drm_gem_object.import_attach is NULL. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191107094307.19870-2-tzimmermann@suse.de