drm/amd/display: Ensure index calculation will not overflow

mainline inclusion
from mainline-v6.1-rc1
commit 8e2734bf444767fed787305ccdcb36a2be5301a2
bugzilla: https://gitee.com/src-openeuler/kernel/issues/IARV8L
CVE: CVE-2024-46726

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8e2734bf444767fed787305ccdcb36a2be5301a2



--------------------------------

[WHY & HOW]
Make sure vmid0p72_idx, vnom0p8_idx and vmax0p9_idx calculation will
never overflow and exceess array size.

This fixes 3 OVERRUN and 1 INTEGER_OVERFLOW issues reported by Coverity.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Conflicts:
            drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
[Conflicts from:
 1) commit 552b7cb0 move drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c to
    drivers/gpu/drm/amd/display/dc/dml/calcs/dcn_calcs.c;
 2) commit 91954c6c move dcn_bw_update_from_pplib() to
    dcn_bw_update_from_pplib_fclks()
 and the code logic is the same.]
Signed-off-by: Tong Tiangen <tongtiangen@huawei.com>