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From 462421959084ce608496b56a354711e53d5a75cf Mon Sep 17 00:00:00 2001
From: Likun Gao <Likun.Gao@amd.com>
Date: Fri, 1 Feb 2019 13:22:33 +0800
Subject: [PATCH 1504/2940] drm/amd/powerplay: add od condition for power limit
Add condition to judge whether overdrive is enabled and correct power
limit value for overdrive used by power limit interface.
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
---
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 1 +
drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 15 +++++++++++++++
drivers/gpu/drm/amd/powerplay/vega20_ppt.c | 1 +
3 files changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index 3e79fd9c9cbd..6a4e9f242aaf 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -307,6 +307,7 @@ struct smu_table_context
struct smu_table memory_pool;
uint16_t software_shutdown_temp;
uint8_t thermal_controller_type;
+ uint16_t TDPODLimit;
uint8_t *od_feature_capabilities;
uint32_t *od_settings_max;
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index a3c7d1d5176f..f90410435e4c 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -925,6 +925,10 @@ static int smu_v11_0_get_power_limit(struct smu_context *smu,
if (get_default) {
mutex_lock(&smu->mutex);
*limit = smu->default_power_limit;
+ if (smu->od_enabled) {
+ *limit *= (100 + smu->smu_table.TDPODLimit);
+ *limit /= 100;
+ }
mutex_unlock(&smu->mutex);
} else {
ret = smu_send_smc_msg_with_param(smu, SMU_MSG_GetPptLimit,
@@ -942,8 +946,19 @@ static int smu_v11_0_get_power_limit(struct smu_context *smu,
static int smu_v11_0_set_power_limit(struct smu_context *smu, uint32_t n)
{
+ uint32_t max_power_limit;
int ret = 0;
+ if (n == 0)
+ n = smu->default_power_limit;
+
+ max_power_limit = smu->default_power_limit;
+
+ if (smu->od_enabled) {
+ max_power_limit *= (100 + smu->smu_table.TDPODLimit);
+ max_power_limit /= 100;
+ }
+
if (smu_feature_is_enabled(smu, FEATURE_PPT_BIT))
ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetPptLimit, n);
if (ret) {
diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
index 6763dcd21cf1..f7188a7fb194 100644
--- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
@@ -274,6 +274,7 @@ static int vega20_store_powerplay_table(struct smu_context *smu)
table_context->software_shutdown_temp = powerplay_table->usSoftwareShutdownTemp;
table_context->thermal_controller_type = powerplay_table->ucThermalControllerType;
+ table_context->TDPODLimit = le32_to_cpu(powerplay_table->OverDrive8Table.ODSettingsMax[ATOM_VEGA20_ODSETTING_POWERPERCENTAGE]);
ret = vega20_setup_od8_information(smu);
--
2.17.1
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