drm/i915/guc: Do not partition WOPCM if GuC is not used
There seems to be no reason for doing extra work on WOPCM partitioning in the case GuC is not used, as the partitioning will not be used by the intel_wopcm_init_hw function anyway. Signed-off-by: NJakub Bartmiński <jakub.bartminski@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Michał Winiarski <michal.winiarski@intel.com> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com> Reviewed-by: NChris Wilson <chris@chris-wilson.co.uk> Signed-off-by: NChris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20180727141148.30874-2-jakub.bartminski@intel.com
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