[PATCH] drm/amdgpu: sw pstate switch should only be for vega20

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Driver steered p-state switching is designed for Vega20 only.
Also simplify early return for temporary disable due to SMU FW
bug.

Signed-off-by: Jonathan Kim <Jonathan.Kim@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
index 54d8a3e7e75c..48c0ce13f68e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
@@ -395,7 +395,9 @@ int amdgpu_xgmi_set_pstate(struct amdgpu_device *adev, int pstate)
 	bool init_low = hive->pstate == AMDGPU_XGMI_PSTATE_UNKNOWN;
 
 	/* fw bug so temporarily disable pstate switching */
-	if (!hive || adev->asic_type == CHIP_VEGA20)
+	return 0;
+
+	if (!hive || adev->asic_type != CHIP_VEGA20)
 		return 0;
 
 	mutex_lock(&hive->hive_lock);
-- 
2.17.1

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