From: Rex Zhu <Rex.Zhu@amd.com>
Date: Thu, 14 Sep 2017 09:10:41 +0800
Subject: drm/amd/powerplay: fix set target TDP error on tonga/iceland
Git-commit: 2a527680a112d6b230961e3714d370a2e369bda9
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
ConfigurableTDP do not exist from Fiji.
so only use in previous ASIC.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c
@@ -905,7 +905,6 @@ int smu7_enable_power_containment(struct
if (0 == smc_result) {
uint32_t default_limit =
(uint32_t)(cac_table->usMaximumPowerDeliveryLimit * 256);
-
data->power_containment_features |=
POWERCONTAINMENT_FEATURE_PkgPwrLimit;
@@ -976,10 +975,12 @@ int smu7_power_control_set_level(struct
adjust_percent = hwmgr->platform_descriptor.TDPAdjustmentPolarity ?
hwmgr->platform_descriptor.TDPAdjustment :
(-1 * hwmgr->platform_descriptor.TDPAdjustment);
- /* SMC requested that target_tdp to be 7 bit fraction in DPM table
- * but message to be 8 bit fraction for messages
- */
- target_tdp = ((100 + adjust_percent) * (int)(cac_table->usTDP * 256)) / 100;
+
+ if (hwmgr->chip_id > CHIP_TONGA)
+ target_tdp = ((100 + adjust_percent) * (int)(cac_table->usTDP * 256)) / 100;
+ else
+ target_tdp = ((100 + adjust_percent) * (int)(cac_table->usConfigurableTDP * 256)) / 100;
+
result = smu7_set_overdriver_target_tdp(hwmgr, (uint32_t)target_tdp);
}