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drm/amdgpu: optimize list operation in amdgpu_xgmi

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simplify the list operation.

Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kevin Wang
2021-02-03 17:36:51 +08:00
committed by Alex Deucher
parent de4b7cd8cb
commit be8901c2ee
1 changed files with 4 additions and 6 deletions
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10
drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
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@@ -324,7 +324,7 @@ static void amdgpu_xgmi_sysfs_rem_dev_info(struct amdgpu_device *adev,
struct amdgpu_hive_info *amdgpu_get_xgmi_hive(struct amdgpu_device *adev) struct amdgpu_hive_info *amdgpu_get_xgmi_hive(struct amdgpu_device *adev)
{ {
struct amdgpu_hive_info *hive = NULL, *tmp = NULL; struct amdgpu_hive_info *hive = NULL;
int ret; int ret;
if (!adev->gmc.xgmi.hive_id) if (!adev->gmc.xgmi.hive_id)
@@ -337,11 +337,9 @@ struct amdgpu_hive_info *amdgpu_get_xgmi_hive(struct amdgpu_device *adev)
mutex_lock(&xgmi_mutex); mutex_lock(&xgmi_mutex);
if (!list_empty(&xgmi_hive_list)) { list_for_each_entry(hive, &xgmi_hive_list, node) {
list_for_each_entry_safe(hive, tmp, &xgmi_hive_list, node) { if (hive->hive_id == adev->gmc.xgmi.hive_id)
if (hive->hive_id == adev->gmc.xgmi.hive_id) goto pro_end;
goto pro_end;
}
} }
hive = kzalloc(sizeof(*hive), GFP_KERNEL); hive = kzalloc(sizeof(*hive), GFP_KERNEL);