Unverified Commit 800274a4 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!12040 drm/amd/display: Stop amdgpu_dm initialize when link nums greater than max_links 

Merge Pull Request from: @ci-robot 
 
PR sync from: Cheng Yu <serein.chengyu@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/B4UCLQP2R4SVPHMXX62WDR7C4K4W4O27/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAU9L0 
 
Link:https://gitee.com/openeuler/kernel/pulls/12040

 

Reviewed-by: default avatarZucheng Zheng <zhengzucheng@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parents 54f2b65f dc792e27

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

+7 −7
Original line number Diff line number Diff line
@@ -1608,17 +1608,17 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev) 


	dm->display_indexes_num = dm->dc->caps.max_streams;



	/* loops over all connectors on the board */

	for (i = 0; i < link_cnt; i++) {

		struct dc_link *link = NULL;



		if (i > AMDGPU_DM_MAX_DISPLAY_INDEX) {

	if (link_cnt > MAX_PIPES * 2) {

		DRM_ERROR(

			"KMS: Cannot support more than %d display indexes\n",

					AMDGPU_DM_MAX_DISPLAY_INDEX);

			continue;

				MAX_PIPES * 2);

		goto fail;

	}



	/* loops over all connectors on the board */

	for (i = 0; i < link_cnt; i++) {

		struct dc_link *link = NULL;



		aconnector = kzalloc(sizeof(*aconnector), GFP_KERNEL);

		if (!aconnector)

			goto fail;