drm/amd/powerplay: correct smc display config for multi monitor

Need to take into account multi-head with synced displays.

Signed-off-by: Evan Quan <[email protected]>
Acked-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
index 8176b231c38b1412fda2acaa8c9d0ca2a5e594f0..824d9e15d7127cbf53b2d2e5e2f60c11c3838fca 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
@@ -1401,7 +1401,8 @@ static int vega12_notify_smc_display_config_after_ps_adjustment(
        struct pp_display_clock_request clock_req;
        uint32_t clk_request;
 
-       if (hwmgr->display_config->num_display > 1)
+       if ((hwmgr->display_config->num_display > 1) &&
+               !hwmgr->display_config->multi_monitor_in_sync)
                vega12_notify_smc_display_change(hwmgr, false);
        else
                vega12_notify_smc_display_change(hwmgr, true);