Unverified Commit ec389320 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!11655 drm/amd/display: Check denominator pbn_div before used 

Merge Pull Request from: @ci-robot 
 
PR sync from: Xia Fukun <xiafukun@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/4FM5HX5RBQ4WGLBSNWA4JCTPTVV2NI6B/ 
 
https://gitee.com/src-openeuler/kernel/issues/IARWXX 
 
Link:https://gitee.com/openeuler/kernel/pulls/11655

 

Reviewed-by: default avatarZucheng Zheng <zhengzucheng@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents e9248758 f04e1831

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

+1 −1
Original line number Diff line number Diff line
@@ -6934,7 +6934,7 @@ static int dm_update_mst_vcpi_slots_for_dsc(struct drm_atomic_state *state, 
			}

		}



		if (j == dc_state->stream_count)

		if (j == dc_state->stream_count || pbn_div == 0)

			continue;



		slot_num = DIV_ROUND_UP(pbn, pbn_div);