drm/i915/uc: Add init/fini to to intel_uc_ops

uC preparation and cleanup steps are only meaningful if we are
running with uC enabled. Make these functions part of the uc_ops.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@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/20200110222723.14724-4-michal.wajdeczko@intel.com

drivers/gpu/drm/i915/gt/uc/intel_uc.c

@@ -273,14 +273,13 @@ static void __uc_cleanup_firmwares(struct intel_uc *uc)
 	intel_uc_fw_cleanup_fetch(&uc->guc.fw);
 }
 
-void intel_uc_init(struct intel_uc *uc)
+static void __uc_init(struct intel_uc *uc)
 {
 	struct intel_guc *guc = &uc->guc;
 	struct intel_huc *huc = &uc->huc;
 	int ret;
 
-	if (!intel_uc_uses_guc(uc))
-		return;
+	GEM_BUG_ON(!intel_uc_uses_guc(uc));
 
 	/* XXX: GuC submission is unavailable for now */
 	GEM_BUG_ON(intel_uc_supports_guc_submission(uc));
@@ -295,7 +294,7 @@ void intel_uc_init(struct intel_uc *uc)
 		intel_huc_init(huc);
 }
 
-void intel_uc_fini(struct intel_uc *uc)
+static void __uc_fini(struct intel_uc *uc)
 {
 	intel_huc_fini(&uc->huc);
 	intel_guc_fini(&uc->guc);
@@ -619,6 +618,9 @@ static const struct intel_uc_ops uc_ops_on = {
 	.init_fw = __uc_fetch_firmwares,
 	.fini_fw = __uc_cleanup_firmwares,
 
+	.init = __uc_init,
+	.fini = __uc_fini,
+
 	.init_hw = __uc_init_hw,
 	.fini_hw = __uc_fini_hw,
 };

drivers/gpu/drm/i915/gt/uc/intel_uc.h

@@ -15,6 +15,8 @@ struct intel_uc;
 struct intel_uc_ops {
 	void (*init_fw)(struct intel_uc *uc);
 	void (*fini_fw)(struct intel_uc *uc);
+	void (*init)(struct intel_uc *uc);
+	void (*fini)(struct intel_uc *uc);
 	int (*init_hw)(struct intel_uc *uc);
 	void (*fini_hw)(struct intel_uc *uc);
 };
@@ -32,8 +34,6 @@ void intel_uc_init_early(struct intel_uc *uc);
 void intel_uc_driver_late_release(struct intel_uc *uc);
 void intel_uc_init_mmio(struct intel_uc *uc);
 void intel_uc_sanitize(struct intel_uc *uc);
-void intel_uc_init(struct intel_uc *uc);
-void intel_uc_fini(struct intel_uc *uc);
 void intel_uc_reset_prepare(struct intel_uc *uc);
 void intel_uc_suspend(struct intel_uc *uc);
 void intel_uc_runtime_suspend(struct intel_uc *uc);
@@ -79,6 +79,8 @@ static inline _TYPE intel_uc_##_NAME(struct intel_uc *uc) \
 }
 intel_uc_ops_function(fetch_firmwares, init_fw, void, );
 intel_uc_ops_function(cleanup_firmwares, fini_fw, void, );
+intel_uc_ops_function(init, init, void, );
+intel_uc_ops_function(fini, fini, void, );
 intel_uc_ops_function(init_hw, init_hw, int, 0);
 intel_uc_ops_function(fini_hw, fini_hw, void, );
 #undef intel_uc_ops_function