return true;
 }
 
-void pp_rv_set_wm_ranges(struct pp_smu *pp,
+static void pp_rv_set_wm_ranges(struct pp_smu *pp,
                struct pp_smu_wm_range_sets *ranges)
 {
        const struct dc_context *ctx = pp->dm;
                                                           &wm_with_clock_ranges);
 }
 
-void pp_rv_set_pme_wa_enable(struct pp_smu *pp)
+static void pp_rv_set_pme_wa_enable(struct pp_smu *pp)
 {
        const struct dc_context *ctx = pp->dm;
        struct amdgpu_device *adev = ctx->driver_context;
                pp_funcs->notify_smu_enable_pwe(pp_handle);
 }
 
-void pp_rv_set_active_display_count(struct pp_smu *pp, int count)
+static void pp_rv_set_active_display_count(struct pp_smu *pp, int count)
 {
        const struct dc_context *ctx = pp->dm;
        struct amdgpu_device *adev = ctx->driver_context;
        pp_funcs->set_active_display_count(pp_handle, count);
 }
 
-void pp_rv_set_min_deep_sleep_dcfclk(struct pp_smu *pp, int clock)
+static void pp_rv_set_min_deep_sleep_dcfclk(struct pp_smu *pp, int clock)
 {
        const struct dc_context *ctx = pp->dm;
        struct amdgpu_device *adev = ctx->driver_context;
        pp_funcs->set_min_deep_sleep_dcefclk(pp_handle, clock);
 }
 
-void pp_rv_set_hard_min_dcefclk_by_freq(struct pp_smu *pp, int clock)
+static void pp_rv_set_hard_min_dcefclk_by_freq(struct pp_smu *pp, int clock)
 {
        const struct dc_context *ctx = pp->dm;
        struct amdgpu_device *adev = ctx->driver_context;
        pp_funcs->set_hard_min_dcefclk_by_freq(pp_handle, clock);
 }
 
-void pp_rv_set_hard_min_fclk_by_freq(struct pp_smu *pp, int mhz)
+static void pp_rv_set_hard_min_fclk_by_freq(struct pp_smu *pp, int mhz)
 {
        const struct dc_context *ctx = pp->dm;
        struct amdgpu_device *adev = ctx->driver_context;
        return PP_SMU_RESULT_OK;
 }
 
-enum pp_smu_status pp_nv_set_pme_wa_enable(struct pp_smu *pp)
+static enum pp_smu_status pp_nv_set_pme_wa_enable(struct pp_smu *pp)
 {
        const struct dc_context *ctx = pp->dm;
        struct amdgpu_device *adev = ctx->driver_context;