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| author | Alex Deucher <alexander.deucher@amd.com> | 2016-04-13 23:37:42 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-04-18 11:18:36 -0400 |
| commit | 8f99455587855a5f79af08e40327ca40ab5f1999 (patch) | |
| tree | 269a7693830a16f1efe66fc3359a7deab924be43 | |
| parent | bcb31eba4a4ea356fd61cbd5dec5511c3883f57e (diff) | |
| download | lwn-8f99455587855a5f79af08e40327ca40ab5f1999.tar.gz lwn-8f99455587855a5f79af08e40327ca40ab5f1999.zip | |
drm/amdgpu/acp: fix resume on CZ systems with AZ audio
Nothing to do on resume on systems with AZ audio.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c index d6b0bff510aa..b7b583c42ea8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c @@ -425,6 +425,10 @@ static int acp_resume(void *handle) struct acp_pm_domain *apd; struct amdgpu_device *adev = (struct amdgpu_device *)handle; + /* return early if no ACP */ + if (!adev->acp.acp_genpd) + return 0; + /* SMU block will power on ACP irrespective of ACP runtime status. * Power off explicitly based on genpd ACP runtime status so that ACP * hw and ACP-genpd status are in sync. |