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>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
index d6b0bff..b7b583c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
@@ -425,6 +425,10 @@
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.