drm/amdgpu: optimize list operation in amdgpu_xgmi

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

View file

@ -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 *hive = NULL, *tmp = NULL;
struct amdgpu_hive_info *hive = NULL;
int ret;
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);
if (!list_empty(&xgmi_hive_list)) {
list_for_each_entry_safe(hive, tmp, &xgmi_hive_list, node) {
if (hive->hive_id == adev->gmc.xgmi.hive_id)
goto pro_end;
}
list_for_each_entry(hive, &xgmi_hive_list, node) {
if (hive->hive_id == adev->gmc.xgmi.hive_id)
goto pro_end;
}
hive = kzalloc(sizeof(*hive), GFP_KERNEL);