From 28a7b4f4498546c0d4d41c084abd0496f9922bf3 Mon Sep 17 00:00:00 2001 From: Evan Quan Date: Mon, 11 Jun 2018 17:22:33 +0800 Subject: [PATCH] drm/amd/powerplay: set vega12 pre display configurations Set num_displays to 0 and force uclk high as part of the mode set sequence. Signed-off-by: Evan Quan Acked-by: Alex Deucher Signed-off-by: Alex Deucher --- .../drm/amd/powerplay/hwmgr/vega12_hwmgr.c | 41 +++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c index d28227efe906..e899a0cdbb0d 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c @@ -2110,6 +2110,45 @@ static int vega12_apply_clocks_adjust_rules(struct pp_hwmgr *hwmgr) return 0; } +static int vega12_set_uclk_to_highest_dpm_level(struct pp_hwmgr *hwmgr, + struct vega12_single_dpm_table *dpm_table) +{ + struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend); + int ret = 0; + + if (data->smu_features[GNLD_DPM_UCLK].enabled) { + PP_ASSERT_WITH_CODE(dpm_table->count > 0, + "[SetUclkToHightestDpmLevel] Dpm table has no entry!", + return -EINVAL); + PP_ASSERT_WITH_CODE(dpm_table->count <= NUM_UCLK_DPM_LEVELS, + "[SetUclkToHightestDpmLevel] Dpm table has too many entries!", + return -EINVAL); + + dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value; + PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(hwmgr, + PPSMC_MSG_SetHardMinByFreq, + (PPCLK_UCLK << 16 ) | dpm_table->dpm_state.hard_min_level)), + "[SetUclkToHightestDpmLevel] Set hard min uclk failed!", + return ret); + } + + return ret; +} + +static int vega12_pre_display_configuration_changed_task(struct pp_hwmgr *hwmgr) +{ + struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend); + int ret = 0; + + smum_send_msg_to_smc_with_parameter(hwmgr, + PPSMC_MSG_NumOfDisplays, 0); + + ret = vega12_set_uclk_to_highest_dpm_level(hwmgr, + &data->dpm_table.mem_table); + + return ret; +} + static int vega12_display_configuration_changed_task(struct pp_hwmgr *hwmgr) { struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend); @@ -2364,6 +2403,8 @@ static const struct pp_hwmgr_func vega12_hwmgr_funcs = { .print_clock_levels = vega12_print_clock_levels, .apply_clocks_adjust_rules = vega12_apply_clocks_adjust_rules, + .pre_display_config_changed = + vega12_pre_display_configuration_changed_task, .display_config_changed = vega12_display_configuration_changed_task, .powergate_uvd = vega12_power_gate_uvd, .powergate_vce = vega12_power_gate_vce,