drm/amd/powerplay: add fan control mode interface for baffin

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>

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
index 85a334144f0036eeeba2c34f68bcfab2ec124e7e..fd29c5683085266b4233cf07d6558b9fd81c3d05 100644 (file)
--- 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,