From d8fc8fe0c65d604e2d9ad3359b0970783e8f360a Mon Sep 17 00:00:00 2001 From: shaoyunl Date: Fri, 4 Jan 2019 13:23:06 -0500 Subject: [PATCH 1047/2940] drm/amdgpu: Add message print when unable to get valid hive Add message print out and return -EINVAL when driver can not get valid hive from hive arrary on xgmi configuration Signed-off-by: shaoyunl Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c index 8a8bc60cb6b4..ac57a8767283 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c @@ -113,8 +113,13 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev) mutex_lock(&xgmi_mutex); hive = amdgpu_get_xgmi_hive(adev); - if (!hive) + if (!hive) { + ret = -EINVAL; + dev_err(adev->dev, + "XGMI: node 0x%llx, can not matech hive 0x%llx in the hive list.\n", + adev->gmc.xgmi.node_id, adev->gmc.xgmi.hive_id); goto exit; + } hive_topology = &hive->topology_info; -- 2.17.1