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From e5d3dbcfcab546ece75295a90c23e6cd45fd1229 Mon Sep 17 00:00:00 2001
From: Evan Quan <evan.quan@amd.com>
Date: Fri, 20 Jul 2018 10:13:19 +0800
Subject: [PATCH 4993/5725] drm/amd/powerplay: slow UCLK switch when multiple
displays not in sync
Slow switch for UCLK when there is multiple displays and they are
not in sync.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Rex Zhu <rex.zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
index ca4e1d9..1ef9ab4 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -3799,7 +3799,8 @@ static int vega10_notify_smc_display_config_after_ps_adjustment(
uint32_t i;
struct pp_display_clock_request clock_req;
- if (hwmgr->display_config->num_display > 1)
+ if ((hwmgr->display_config->num_display > 1) &&
+ !hwmgr->display_config->multi_monitor_in_sync)
vega10_notify_smc_display_change(hwmgr, false);
else
vega10_notify_smc_display_change(hwmgr, true);
--
2.7.4
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