[PATCH] drm/amdgpu: Add message print when unable to get valid hive

[Liu, Shaoyun]

Ping ...

-----Original Message-----
From: Liu, Shaoyun <Shaoyun.Liu at amd.com> 
Sent: Friday, January 4, 2019 1:29 PM
To: amd-gfx at lists.freedesktop.org
Cc: Liu, Shaoyun <Shaoyun.Liu at amd.com>
Subject: [PATCH] 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

Change-Id: Ic03927904edf0e384b8c4651e19274bb3f2a7d9a
Signed-off-by: shaoyunl <shaoyun.liu at amd.com>
---
 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 8a8bc60..b226631 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: Can not matech hive 0xllx in the hive list.\n",
+			adev->gmc.xgmi.hive_id);
 		goto exit;
+	}
 
 	hive_topology = &hive->topology_info;
 
--
2.7.4