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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>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2018-05-14 16:03:01 +08:00 committed by Alex Deucher
parent 20b6b7885d
commit 01233b8073
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
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@ -600,7 +600,10 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
data->gfx_min_freq_limit/100); data->gfx_min_freq_limit/100);
smum_send_msg_to_smc_with_parameter(hwmgr, smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinFclkByFreq, PPSMC_MSG_SetHardMinFclkByFreq,
hwmgr->display_config->num_display > 3 ?
SMU10_UMD_PSTATE_PEAK_FCLK :
SMU10_UMD_PSTATE_MIN_FCLK); SMU10_UMD_PSTATE_MIN_FCLK);
smum_send_msg_to_smc_with_parameter(hwmgr, smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinSocclkByFreq, PPSMC_MSG_SetHardMinSocclkByFreq,
SMU10_UMD_PSTATE_MIN_SOCCLK); SMU10_UMD_PSTATE_MIN_SOCCLK);