drm/amdgpu: fix kernel panic when dpm disabled on Kv.

Return early if it's disabled.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
index 6b6476dae970..8785ca570729 100644
--- a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
@@ -3079,6 +3079,9 @@ static int kv_dpm_hw_init(void *handle)
         int ret;
         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
+        if (!amdgpu_dpm)
+                return 0;
+
         mutex_lock(&adev->pm.mutex);
         kv_dpm_setup_asic(adev);
         ret = kv_dpm_enable(adev);