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

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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>
This commit is contained in:
Rex Zhu 2016-03-23 18:47:29 +08:00 committed by Alex Deucher
parent f0911de82c
commit 9e26bbb36a
1 changed files with 26 additions and 0 deletions
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26
drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
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@ -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,