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path: root/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
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Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/amdgpu_smu.c')
-rw-r--r--drivers/gpu/drm/amd/powerplay/amdgpu_smu.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index de14542de775..8c684a6e0156 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -2100,6 +2100,28 @@ int smu_set_df_cstate(struct smu_context *smu,
return ret;
}
+int smu_allow_xgmi_power_down(struct smu_context *smu, bool en)
+{
+ struct amdgpu_device *adev = smu->adev;
+ int ret = 0;
+
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
+ if (!smu->ppt_funcs || !smu->ppt_funcs->allow_xgmi_power_down)
+ return 0;
+
+ mutex_lock(&smu->mutex);
+
+ ret = smu->ppt_funcs->allow_xgmi_power_down(smu, en);
+ if (ret)
+ pr_err("[AllowXgmiPowerDown] failed!\n");
+
+ mutex_unlock(&smu->mutex);
+
+ return ret;
+}
+
int smu_write_watermarks_table(struct smu_context *smu)
{
void *watermarks_table = smu->smu_table.watermarks_table;