drm/amd/powerplay: notify smu with active display count

when dc update clocks via smu, smu needs to know how many
displays active. this interface is for dc notify number
of active displays to smu.
Signed-off-by: hersen wu <hersenxs.wu@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/smu_v11_0.c

@@ -773,6 +773,7 @@ static int smu_v11_0_init_display_count(struct smu_context *smu, uint32_t count)
 
 	if (!smu->pm_enabled)
 		return ret;
+
 	ret = smu_send_smc_msg_with_param(smu, SMU_MSG_NumOfDisplays, count);
 	return ret;
 }