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From 81f7097613b3b13134f0c58bd41c5b49591cbed4 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Thu, 8 Aug 2019 00:48:58 -0500
Subject: [PATCH 3560/4256] drm/amdgpu/powerplay/vega10: enable mclk switching
if monitors are synced
If DC has synced the displays, we can enable mclk switching to
save power.
Reviewed-by: Evan Quan <evan.quan@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 3ac4745708cf..ccceaba5914a 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -3219,7 +3219,8 @@ static int vega10_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
if (hwmgr->display_config->num_display == 0)
disable_mclk_switching = false;
else
- disable_mclk_switching = (hwmgr->display_config->num_display > 1) ||
+ disable_mclk_switching = ((1 < hwmgr->display_config->num_display) &&
+ !hwmgr->display_config->multi_monitor_in_sync) ||
disable_mclk_switching_for_frame_lock ||
disable_mclk_switching_for_vr ||
force_mclk_high;
--
2.17.1
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