From d389d607e60809726fe818113c80f5fc3aac4675 Mon Sep 17 00:00:00 2001 From: Rex Zhu Date: Wed, 18 Apr 2018 21:09:35 +0800 Subject: drm/amd/pp: Change voltage/clk range for OD feature on VI read vddc range from vbios. Reviewed-by: Alex Deucher Signed-off-by: Rex Zhu Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 60 ++++++++++++++++-------- 1 file changed, 40 insertions(+), 20 deletions(-) (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c') diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c index 965459326652..e1196372a6ba 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c @@ -838,6 +838,33 @@ static int smu7_odn_initial_default_setting(struct pp_hwmgr *hwmgr) return 0; } +static void smu7_setup_voltage_range_from_vbios(struct pp_hwmgr *hwmgr) +{ + struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend); + struct phm_ppt_v1_clock_voltage_dependency_table *dep_sclk_table; + struct phm_ppt_v1_information *table_info = + (struct phm_ppt_v1_information *)(hwmgr->pptable); + uint32_t min_vddc, max_vddc; + + if (!table_info) + return; + + dep_sclk_table = table_info->vdd_dep_on_sclk; + + atomctrl_get_voltage_range(hwmgr, &max_vddc, &min_vddc); + + if (min_vddc == 0 || min_vddc > 2000 + || min_vddc > dep_sclk_table->entries[0].vddc) + min_vddc = dep_sclk_table->entries[0].vddc; + + if (max_vddc == 0 || max_vddc > 2000 + || max_vddc < dep_sclk_table->entries[dep_sclk_table->count-1].vddc) + max_vddc = dep_sclk_table->entries[dep_sclk_table->count-1].vddc; + + data->odn_dpm_table.min_vddc = min_vddc; + data->odn_dpm_table.max_vddc = max_vddc; +} + static int smu7_setup_default_dpm_tables(struct pp_hwmgr *hwmgr) { struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend); @@ -856,8 +883,10 @@ static int smu7_setup_default_dpm_tables(struct pp_hwmgr *hwmgr) sizeof(struct smu7_dpm_table)); /* initialize ODN table */ - if (hwmgr->od_enabled) + if (hwmgr->od_enabled) { + smu7_setup_voltage_range_from_vbios(hwmgr); smu7_odn_initial_default_setting(hwmgr); + } return 0; } @@ -4605,36 +4634,27 @@ static bool smu7_check_clk_voltage_valid(struct pp_hwmgr *hwmgr, { struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend); - struct phm_ppt_v1_information *table_info = - (struct phm_ppt_v1_information *)(hwmgr->pptable); - uint32_t min_vddc; - struct phm_ppt_v1_clock_voltage_dependency_table *dep_sclk_table; - - if (table_info == NULL) - return false; - - dep_sclk_table = table_info->vdd_dep_on_sclk; - min_vddc = dep_sclk_table->entries[0].vddc; - - if (voltage < min_vddc || voltage > 2000) { - pr_info("OD voltage is out of range [%d - 2000] mV\n", min_vddc); + if (voltage < data->odn_dpm_table.min_vddc || voltage > data->odn_dpm_table.max_vddc) { + pr_info("OD voltage is out of range [%d - %d] mV\n", + data->odn_dpm_table.min_vddc, + data->odn_dpm_table.max_vddc); return false; } if (type == PP_OD_EDIT_SCLK_VDDC_TABLE) { - if (data->vbios_boot_state.sclk_bootup_value > clk || + if (data->golden_dpm_table.sclk_table.dpm_levels[0].value > clk || hwmgr->platform_descriptor.overdriveLimit.engineClock < clk) { pr_info("OD engine clock is out of range [%d - %d] MHz\n", - data->vbios_boot_state.sclk_bootup_value, - hwmgr->platform_descriptor.overdriveLimit.engineClock / 100); + data->golden_dpm_table.sclk_table.dpm_levels[0].value/100, + hwmgr->platform_descriptor.overdriveLimit.engineClock/100); return false; } } else if (type == PP_OD_EDIT_MCLK_VDDC_TABLE) { - if (data->vbios_boot_state.mclk_bootup_value > clk || + if (data->golden_dpm_table.mclk_table.dpm_levels[0].value > clk || hwmgr->platform_descriptor.overdriveLimit.memoryClock < clk) { pr_info("OD memory clock is out of range [%d - %d] MHz\n", - data->vbios_boot_state.mclk_bootup_value/100, - hwmgr->platform_descriptor.overdriveLimit.memoryClock / 100); + data->golden_dpm_table.mclk_table.dpm_levels[0].value/100, + hwmgr->platform_descriptor.overdriveLimit.memoryClock/100); return false; } } else { -- cgit v1.2.3-55-g7522