Reviewed-by: Rex Zhumailto:re...@amd.com>>
Regards
Rex
From: amd-gfx on behalf of Evan Quan
Sent: Friday, July 20, 2018 10:35 AM
To: amd-gfx@lists.freedesktop.org
Cc: Quan, Evan; Zhu, Rex
Subject: [PATCH 1/3] 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.
Change-Id: I8a296400d8b96443cc95518905307fc76c9f9e44
Signed-off-by: Evan Quan
---
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 1a0dccb3fac1..bf7b8cfebe2b 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -3780,7 +3780,8 @@ 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);
--
2.18.0
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