drm/i915: Make intel_timeline_init static

Commit fb5970da ("drm/i915/gt: Use the kernel_context to measure the
breadcrumb size") removed the last external user for intel_timeline_init.
Mark it static.
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200511102201.9275-1-mika.kuoppala@linux.intel.com

drivers/gpu/drm/i915/gt/intel_timeline.c

@@ -211,7 +211,7 @@ static void cacheline_free(struct intel_timeline_cacheline *cl)
 	i915_active_release(&cl->active);
 }
 
-int intel_timeline_init(struct intel_timeline *timeline,
+static int intel_timeline_init(struct intel_timeline *timeline,
 			       struct intel_gt *gt,
 			       struct i915_vma *hwsp)
 {
@@ -280,7 +280,7 @@ void intel_gt_init_timelines(struct intel_gt *gt)
 	INIT_LIST_HEAD(&timelines->hwsp_free_list);
 }
 
-void intel_timeline_fini(struct intel_timeline *timeline)
+static void intel_timeline_fini(struct intel_timeline *timeline)
 {
 	GEM_BUG_ON(atomic_read(&timeline->pin_count));
 	GEM_BUG_ON(!list_empty(&timeline->requests));

drivers/gpu/drm/i915/gt/intel_timeline.h

@@ -31,11 +31,6 @@
 #include "i915_syncmap.h"
 #include "gt/intel_timeline_types.h"
 
-int intel_timeline_init(struct intel_timeline *tl,
-			struct intel_gt *gt,
-			struct i915_vma *hwsp);
-void intel_timeline_fini(struct intel_timeline *tl);
-
 struct intel_timeline *
 intel_timeline_create(struct intel_gt *gt, struct i915_vma *global_hwsp);