[PATCH] drm/amd/pp: Workaround flickering issue on RV

[Rex Zhu]

Screen flickering observed while running 1080p video using
MPV_VAAPI/VDPAU with 4x4K at 60 monitors

Need to set higher mclk in this configuration.

Signed-off-by: Rex Zhu <Rex.Zhu at 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 26ee5ed..bce28e3 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
@@ -601,7 +601,10 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
 						data->gfx_min_freq_limit/100);
 		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);
-- 
1.9.1