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From 586629aacef111672337209e76cb12265b21293b Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Wed, 23 Mar 2016 18:47:29 +0800
Subject: [PATCH 0964/1110] 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>
---
.../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,
--
2.7.4
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