summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
diff options
context:
space:
mode:
authorRex Zhu <Rex.Zhu@amd.com>2017-01-20 14:30:51 +0800
committerAlex Deucher <alexander.deucher@amd.com>2017-01-27 12:20:44 -0500
commit8485b5e1876b46d7c4f63a2cfcec2ee30362a207 (patch)
tree4393ac8f7ab7cbbe2a971741ed026d5ff8497d9b /drivers/gpu/drm/amd/amdgpu/kv_dpm.c
parent36a94a8ad74e83a135a4b0a2157dabe50b4562a6 (diff)
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/kv_dpm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/kv_dpm.c3
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);