drm/amd/pm: reconfigure smc on display vbitimeout setting change

Reconfigure smc display settings on vbitimeout change.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c

@@ -4318,6 +4318,7 @@ static int smu7_notify_has_display(struct pp_hwmgr *hwmgr)
 			smum_send_msg_to_smc_with_parameter(hwmgr,
 					(PPSMC_Msg)PPSMC_MSG_SetVBITimeout, data->frame_time_x2,
 					NULL);
+		data->last_sent_vbi_timeout = data->frame_time_x2;
 	}
 
 	return (smum_send_msg_to_smc(hwmgr, (PPSMC_Msg)PPSMC_HasDisplay, NULL) == 0) ?  0 : -EINVAL;
@@ -4560,6 +4561,11 @@ smu7_check_smc_update_required_for_display_configuration(struct pp_hwmgr *hwmgr)
 	if (data->display_timing.vrefresh != hwmgr->display_config->vrefresh)
 		is_update_required = true;
 
+	if (hwmgr->chip_id >= CHIP_POLARIS10 &&
+	    hwmgr->chip_id <= CHIP_VEGAM &&
+	    data->last_sent_vbi_timeout != data->frame_time_x2)
+		is_update_required = true;
+
 	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_SclkDeepSleep)) {
 		if (data->display_timing.min_clock_in_sr != hwmgr->display_config->min_core_set_clock_in_sr &&
 			(data->display_timing.min_clock_in_sr >= SMU7_MINIMUM_ENGINE_CLOCK ||

drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.h

@@ -336,6 +336,7 @@ struct smu7_hwmgr {
 	uint32_t                              avfs_vdroop_override_setting;
 	bool                                  apply_avfs_cks_off_voltage;
 	uint32_t                              frame_time_x2;
+	uint32_t                              last_sent_vbi_timeout;
 	uint16_t                              mem_latency_high;
 	uint16_t                              mem_latency_low;
 	uint32_t                              vr_config;