drm/i915/lmem: make intel_region_lmem_ops static

There are no users outside of intel_region_lmem.c.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20210112172246.11933-1-jani.nikula@intel.com

drivers/gpu/drm/i915/intel_region_lmem.c

@@ -95,7 +95,7 @@ region_lmem_init(struct intel_memory_region *mem)
 	return ret;
 }
 
-const struct intel_memory_region_ops intel_region_lmem_ops = {
+static const struct intel_memory_region_ops intel_region_lmem_ops = {
 	.init = region_lmem_init,
 	.release = region_lmem_release,
 	.create_object = __i915_gem_lmem_object_create,

drivers/gpu/drm/i915/intel_region_lmem.h

@@ -8,8 +8,6 @@
 
 struct drm_i915_private;
 
-extern const struct intel_memory_region_ops intel_region_lmem_ops;
-
 struct intel_memory_region *
 intel_setup_fake_lmem(struct drm_i915_private *i915);