From 60a92e96817e7d96956110b61bf49c5d9b3e8802 Mon Sep 17 00:00:00 2001 From: Rex Zhu Date: Wed, 13 Jun 2018 18:53:49 +0800 Subject: [PATCH 4722/5725] drm/amd/pp: Make sure clock_voltage_limit_table on dc is valid if vbios not set the max clock voltage limit table for DC mode, Set the table as sama as the table for AC mode. Reviewed-by: Alex Deucher Signed-off-by: Rex Zhu Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c index e63bc47..4ef77ce 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c @@ -236,6 +236,11 @@ int hwmgr_hw_init(struct pp_hwmgr *hwmgr) ret = hwmgr->hwmgr_func->backend_init(hwmgr); if (ret) goto err1; + /* make sure dc limits are valid */ + if ((hwmgr->dyn_state.max_clock_voltage_on_dc.sclk == 0) || + (hwmgr->dyn_state.max_clock_voltage_on_dc.mclk == 0)) + hwmgr->dyn_state.max_clock_voltage_on_dc = + hwmgr->dyn_state.max_clock_voltage_on_ac; ret = psm_init_power_state_table(hwmgr); if (ret) -- 2.7.4