drm/amdgpu/pm/powerplay: bounds-check voltage index in SMU7 lookup

Browse source

vddInd and vddcInd fields from VBIOS-parsed tables are used to index into
voltage lookup tables without a bounds check. Return -EINVAL when any
index is out of range.

Fixes: c82baa2818 ("drm/amd/powerplay: add Tonga dpm support (v3)")
Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Asad Kamal 2026-06-23 00:00:00 +00:00 • committed by Alex Deucher

parent 53ef33c084

commit 3a8a05477c

1 changed files with 24 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

24

drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c

View file