drm/i915: Move MOCS setup to intel_mocs.c

Hide the details of MOCS setup from i915_gem by moving both current calls
into one in intel_mocs_init.

Cc: Stuart Summers <stuart.summers@intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Stuart Summers <stuart.summers@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190713010940.17711-21-lucas.demarchi@intel.com
Link: https://patchwork.freedesktop.org/patch/msgid/20190730180407.5993-6-lucas.demarchi@intel.com

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

@@ -426,14 +426,13 @@ void intel_mocs_init_engine(struct intel_engine_cs *engine)
  *
  * This function initializes the MOCS global registers.
  */
-void intel_mocs_init_global(struct intel_gt *gt)
+static void intel_mocs_init_global(struct intel_gt *gt)
 {
 	struct intel_uncore *uncore = gt->uncore;
 	struct drm_i915_mocs_table table;
 	unsigned int index;
 
-	if (!HAS_GLOBAL_MOCS_REGISTERS(gt->i915))
-		return;
+	GEM_BUG_ON(!HAS_GLOBAL_MOCS_REGISTERS(gt->i915));
 
 	if (!get_mocs_settings(gt, &table))
 		return;
@@ -599,7 +598,7 @@ static int emit_mocs_l3cc_table(struct i915_request *rq,
  *
  * Return: Nothing.
  */
-void intel_mocs_init_l3cc_table(struct intel_gt *gt)
+static void intel_mocs_init_l3cc_table(struct intel_gt *gt)
 {
 	struct intel_uncore *uncore = gt->uncore;
 	struct drm_i915_mocs_table table;
@@ -678,3 +677,11 @@ int intel_mocs_emit(struct i915_request *rq)
 
 	return 0;
 }
+
+void intel_mocs_init(struct intel_gt *gt)
+{
+	intel_mocs_init_l3cc_table(gt);
+
+	if (HAS_GLOBAL_MOCS_REGISTERS(gt->i915))
+		intel_mocs_init_global(gt);
+}

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

@@ -53,8 +53,7 @@ struct i915_request;
 struct intel_engine_cs;
 struct intel_gt;
 
-void intel_mocs_init_l3cc_table(struct intel_gt *gt);
-void intel_mocs_init_global(struct intel_gt *gt);
+void intel_mocs_init(struct intel_gt *gt);
 void intel_mocs_init_engine(struct intel_engine_cs *engine);
 
 int intel_mocs_emit(struct i915_request *rq);

drivers/gpu/drm/i915/i915_gem.c

@@ -1247,8 +1247,7 @@ int i915_gem_init_hw(struct drm_i915_private *i915)
 		goto out;
 	}
 
-	intel_mocs_init_global(gt);
-	intel_mocs_init_l3cc_table(gt);
+	intel_mocs_init(gt);
 
 	intel_engines_set_scheduler_caps(i915);