drm/amdgpu/pm: Check input value for CUSTOM profile mode setting on legacy SOCs

[ Upstream commit df0a9bd92fbbd3fcafcb2bce6463c9228a3e6868 ]

Check the input value for CUSTOM profile mode setting on legacy
SOCs. Otherwise we may use uninitalized value of input[]

Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Reviewed-by: Yang Wang <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ma Jun 2024-05-10 10:05:21 +08:00 committed by Greg Kroah-Hartman
parent 52338a3aa7
commit 008933832a
2 changed files with 7 additions and 3 deletions

View File

@ -5190,7 +5190,7 @@ static int smu7_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, uint
mode = input[size];
switch (mode) {
case PP_SMC_POWER_PROFILE_CUSTOM:
if (size < 8 && size != 0)
if (size != 8 && size != 0)
return -EINVAL;
/* If only CUSTOM is passed in, use the saved values. Check
* that we actually have a CUSTOM profile by ensuring that

View File

@ -4095,9 +4095,11 @@ static int vega20_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, ui
if (power_profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) {
struct vega20_hwmgr *data =
(struct vega20_hwmgr *)(hwmgr->backend);
if (size == 0 && !data->is_custom_profile_set)
if (size != 10 && size != 0)
return -EINVAL;
if (size < 10 && size != 0)
if (size == 0 && !data->is_custom_profile_set)
return -EINVAL;
result = vega20_get_activity_monitor_coeff(hwmgr,
@ -4159,6 +4161,8 @@ static int vega20_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, ui
activity_monitor.Fclk_PD_Data_error_coeff = input[8];
activity_monitor.Fclk_PD_Data_error_rate_coeff = input[9];
break;
default:
return -EINVAL;
}
result = vega20_set_activity_monitor_coeff(hwmgr,