From: Likun Gao <likun....@amd.com>
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....@amd.com>
Reviewed-by: Kevin Wang <kevin1.w...@amd.com>
---
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 1 +
drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 20 ++++++++++++++++++--
drivers/gpu/drm/amd/powerplay/vega20_ppt.c | 1 +
3 files changed, 20 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index 8c7eac9..594965c 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 2932734..5531cd1 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -924,6 +924,10 @@ 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,
@@ -941,9 +945,21 @@ 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 (smu_feature_is_enabled(smu, FEATURE_PPT_BIT))
- ret = smu_send_smc_msg_with_param(smu,
SMU_MSG_SetPptLimit, n);
+
+ 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) {
pr_err("[%s] Set power limit Failed!", __func__);
return ret;
diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
index 6aa94ee..f97b60a 100644
--- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
@@ -265,6 +265,7 @@ 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);
--
2.7.4
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