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drm/amdgpu: fix vega20 pstate status change

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vega20 only requires all devices be set to same pstate level for low
pstate and not high.

Signed-off-by: Jonathan Kim <Jonathan.Kim@amd.com>
Reviewed-by: Evan Quan <Evan.Quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jonathan Kim
2019-11-06 08:20:21 -05:00
committed by Alex Deucher
parent 2af8153126
commit cb5932f866
1 changed files with 4 additions and 3 deletions
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7
drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
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@@ -276,6 +276,7 @@ int amdgpu_xgmi_set_pstate(struct amdgpu_device *adev, int pstate)
struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(adev, 0); struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(adev, 0);
struct amdgpu_device *tmp_adev; struct amdgpu_device *tmp_adev;
bool update_hive_pstate = true; bool update_hive_pstate = true;
bool is_high_pstate = pstate && adev->asic_type == CHIP_VEGA20;
if (!hive) if (!hive)
return 0; return 0;
@@ -283,8 +284,8 @@ int amdgpu_xgmi_set_pstate(struct amdgpu_device *adev, int pstate)
mutex_lock(&hive->hive_lock); mutex_lock(&hive->hive_lock);
if (hive->pstate == pstate) { if (hive->pstate == pstate) {
mutex_unlock(&hive->hive_lock); adev->pstate = is_high_pstate ? pstate : adev->pstate;
return 0; goto out;
} }
dev_dbg(adev->dev, "Set xgmi pstate %d.\n", pstate); dev_dbg(adev->dev, "Set xgmi pstate %d.\n", pstate);
@@ -317,7 +318,7 @@ int amdgpu_xgmi_set_pstate(struct amdgpu_device *adev, int pstate)
break; break;
} }
} }
if (update_hive_pstate) if (update_hive_pstate || is_high_pstate)
hive->pstate = pstate; hive->pstate = pstate;
out: out: