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authorLe Ma <le.ma@amd.com>2023-09-20 11:16:39 +0800
committerAlex Deucher <alexander.deucher@amd.com>2023-09-28 15:36:10 -0400
commit6ec2f5cd45fc6bb45cd8fd6c9f5f8143e774e1e2 (patch)
tree7d98d769c87d55d3f5e080afdcf21f96e1d9d2af /drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
parent3a41a3982b1e27a6cf7d820aa18a29eabc7daec0 (diff)
drm/amd/pm: init plpd_mode properly for different asics
Assign DEFAULT mode if it supports plpd, otherwise keeps NONE v2: reduce ip version checks Signed-off-by: Le Ma <le.ma@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c')
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c17
1 files changed, 17 insertions, 0 deletions
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");