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From fcf15daa1f07a125b5d3704578715d6059b8fe66 Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Mon, 14 May 2018 16:03:01 +0800
Subject: [PATCH 4054/4131] drm/amd/pp: Workaround flickering issue on RV
Screen flickering observed while running 1080p video using
MPV_VAAPI/VDPAU with 4x4K@60 monitors
Need to set higher mclk in this configuration.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
index 26dbab7..6ab1a57 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
@@ -598,7 +598,10 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
SMU10_UMD_PSTATE_MIN_GFXCLK);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinFclkByFreq,
+ hwmgr->display_config->num_display > 3 ?
+ SMU10_UMD_PSTATE_PEAK_FCLK :
SMU10_UMD_PSTATE_MIN_FCLK);
+
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinSocclkByFreq,
SMU10_UMD_PSTATE_MIN_SOCCLK);
--
2.7.4
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