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c669875041
Preallocate the format-conversion state's storage in the plane's atomic_check function if a format conversion is necessary. Allows the update to fail if no memory is available. Avoids the same allocation within atomic_update, which may not fail. v6: * update patch for ssd132x support Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Tested-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231009141018.11291-8-tzimmermann@suse.de