Unverified Commit 5cdb856e authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!12949 drm/amd/display: Check num_valid_sets before accessing reader_wm_sets[ 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zheng Zucheng <zhengzucheng@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/PVLLCYUBWEAHYIN3B55HPD3FHETWGP2S/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAUA64 
 
Link:https://gitee.com/openeuler/kernel/pulls/12949

 

Reviewed-by: default avatarYang Yingliang <yangyingliang@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parents f705e909 d8021af8

drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c

+2 −1
Original line number Diff line number Diff line
@@ -455,6 +455,7 @@ static void build_watermark_ranges(struct clk_bw_params *bw_params, struct pp_sm 
			ranges->reader_wm_sets[num_valid_sets].max_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX;



			/* Modify previous watermark range to cover up to max */

			if (num_valid_sets > 0)

				ranges->reader_wm_sets[num_valid_sets - 1].max_fill_clk_mhz = PP_SMU_WM_SET_RANGE_CLK_UNCONSTRAINED_MAX;

		}

		num_valid_sets++;