Re: [PATCH v2] drm/amdgpu: unlock mutex on error

2020-08-06 Thread Luben Tuikov
Yes, that's fine. Thanks for fix.

Reviewed-by: Luben Tuikov 

On 2020-08-05 9:31 p.m., Dennis Li wrote:
> Make sure to unlock the mutex when error happen
> 
> v2:
> 1. correct syntax error in the commit comment
> 2. remove change-Id
> 
> Acked-by: Nirmoy Das 
> Signed-off-by: Dennis Li 
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c 
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
> index a0ea663ecdbc..5e5369abc6fa 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
> @@ -632,13 +632,14 @@ int amdgpu_amdkfd_submit_ib(struct kgd_dev *kgd, enum 
> kgd_engine_type engine,
>   }
>  
>   ret = amdgpu_ib_schedule(ring, 1, ib, job, &f);
> +
> + up_read(&adev->reset_sem);
> +
>   if (ret) {
>   DRM_ERROR("amdgpu: failed to schedule IB.\n");
>   goto err_ib_sched;
>   }
>  
> - up_read(&adev->reset_sem);
> -
>   ret = dma_fence_wait(f, false);
>  
>  err_ib_sched:
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c 
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
> index 4e017f379eb6..67a756f4337b 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
> @@ -545,7 +545,7 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev)
>   }
>   ret = amdgpu_xgmi_update_topology(hive, tmp_adev);
>   if (ret)
> - goto exit;
> + goto exit_unlock;
>   }
>  
>   /* get latest topology info for each device from psp */
> @@ -558,7 +558,7 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev)
>   tmp_adev->gmc.xgmi.node_id,
>   tmp_adev->gmc.xgmi.hive_id, ret);
>   /* To do : continue with some node failed or 
> disable the whole hive */
> - goto exit;
> + goto exit_unlock;
>   }
>   }
>   }
> @@ -566,7 +566,7 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev)
>   if (!ret)
>   ret = amdgpu_xgmi_sysfs_add_dev_info(adev, hive);
>  
> -
> +exit_unlock:
>   mutex_unlock(&hive->hive_lock);
>  exit:
>   if (!ret)
> 

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[PATCH v2] drm/amdgpu: unlock mutex on error

2020-08-05 Thread Dennis Li
Make sure to unlock the mutex when error happen

v2:
1. correct syntax error in the commit comment
2. remove change-Id

Acked-by: Nirmoy Das 
Signed-off-by: Dennis Li 

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
index a0ea663ecdbc..5e5369abc6fa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
@@ -632,13 +632,14 @@ int amdgpu_amdkfd_submit_ib(struct kgd_dev *kgd, enum 
kgd_engine_type engine,
}
 
ret = amdgpu_ib_schedule(ring, 1, ib, job, &f);
+
+   up_read(&adev->reset_sem);
+
if (ret) {
DRM_ERROR("amdgpu: failed to schedule IB.\n");
goto err_ib_sched;
}
 
-   up_read(&adev->reset_sem);
-
ret = dma_fence_wait(f, false);
 
 err_ib_sched:
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
index 4e017f379eb6..67a756f4337b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
@@ -545,7 +545,7 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev)
}
ret = amdgpu_xgmi_update_topology(hive, tmp_adev);
if (ret)
-   goto exit;
+   goto exit_unlock;
}
 
/* get latest topology info for each device from psp */
@@ -558,7 +558,7 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev)
tmp_adev->gmc.xgmi.node_id,
tmp_adev->gmc.xgmi.hive_id, ret);
/* To do : continue with some node failed or 
disable the whole hive */
-   goto exit;
+   goto exit_unlock;
}
}
}
@@ -566,7 +566,7 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev)
if (!ret)
ret = amdgpu_xgmi_sysfs_add_dev_info(adev, hive);
 
-
+exit_unlock:
mutex_unlock(&hive->hive_lock);
 exit:
if (!ret)
-- 
2.17.1

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