drm/cirrus: Move vmap out of commit tail
Vmap operations may acquire the dmabuf reservation lock, which is not allowed within atomic commit-tail functions. Therefore move vmap and vunmap from the damage handler into prepare_fb and cleanup_fb callbacks. The mapping is provided as GEM shadow-buffered plane. The functions in the commit tail use the pre-established mapping for damage handling. Signed-off-by:Thomas Zimmermann <tzimmermann@suse.de> Tested-by:
Gerd Hoffmann <kraxel@redhat.com> Acked-by:
Gerd Hoffmann <kraxel@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210208115538.6430-6-tzimmermann@suse.de
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4862ffae
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