From: Rex Zhu Rex.Zhu@amd.com
Add interface for manual fan control.
Signed-off-by: Rex Zhu Rex.Zhu@amd.com Reviewed-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com --- .../gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c index 85a3341..fd29c56 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c @@ -4871,6 +4871,30 @@ static int polaris10_print_clock_levels(struct pp_hwmgr *hwmgr, return size; }
+static int polaris10_set_fan_control_mode(struct pp_hwmgr *hwmgr, uint32_t mode) +{ + if (mode) { + /* stop auto-manage */ + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, + PHM_PlatformCaps_MicrocodeFanControl)) + polaris10_fan_ctrl_stop_smc_fan_control(hwmgr); + polaris10_fan_ctrl_set_static_mode(hwmgr, mode); + } else + /* restart auto-manage */ + polaris10_fan_ctrl_reset_fan_speed_to_default(hwmgr); + + return 0; +} + +static int polaris10_get_fan_control_mode(struct pp_hwmgr *hwmgr) +{ + if (hwmgr->fan_ctrl_is_in_default_mode) + return hwmgr->fan_ctrl_default_mode; + else + return PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, + CG_FDO_CTRL2, FDO_PWM_MODE); +} + static const struct pp_hwmgr_func polaris10_hwmgr_funcs = { .backend_init = &polaris10_hwmgr_backend_init, .backend_fini = &polaris10_hwmgr_backend_fini, @@ -4907,6 +4931,8 @@ static const struct pp_hwmgr_func polaris10_hwmgr_funcs = { .register_internal_thermal_interrupt = polaris10_register_internal_thermal_interrupt, .check_smc_update_required_for_display_configuration = polaris10_check_smc_update_required_for_display_configuration, .check_states_equal = polaris10_check_states_equal, + .set_fan_control_mode = polaris10_set_fan_control_mode, + .get_fan_control_mode = polaris10_get_fan_control_mode, .get_pp_table = polaris10_get_pp_table, .set_pp_table = polaris10_set_pp_table, .force_clock_level = polaris10_force_clock_level,