Assign DEFAULT mode if it supports plpd, otherwise keeps NONE
v2: reduce ip version checks
Signed-off-by: Le Ma <le.ma@xxxxxxx>
---
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 893359b26418..1c6b22638bf4 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -1130,6 +1130,21 @@ static void smu_swctf_delayed_work_handler(struct work_struct *work)
orderly_poweroff(true);
}
+static void smu_init_xgmi_plpd_mode(struct smu_context *smu)
+{
+ if (amdgpu_ip_version(smu->adev, MP1_HWIP, 0) == IP_VERSION(11, 0, 2)) {
+ smu->plpd_mode = XGMI_PLPD_DEFAULT;
+ return;
+ }
+
+ /* PMFW put PLPD into default policy after enabling the feature */
+ if (smu_feature_is_enabled(smu,
+ SMU_FEATURE_XGMI_PER_LINK_PWR_DWN_BIT))
+ smu->plpd_mode = XGMI_PLPD_DEFAULT;
+ else
+ smu->plpd_mode = XGMI_PLPD_NONE;
+}
+
static int smu_sw_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
@@ -1361,6 +1376,8 @@ static int smu_smc_hw_setup(struct smu_context *smu)
return ret;
}
+ smu_init_xgmi_plpd_mode(smu);
+
ret = smu_feature_get_enabled_mask(smu, &features_supported);
if (ret) {
dev_err(adev->dev, "Failed to retrieve supported dpm features!\n");
--
2.38.1
