On 5/10/2024 8:20 AM, Jesse Zhang wrote: > Check for specific indexes that may be invalid values. > > Signed-off-by: Jesse Zhang <Jesse.Zhang@xxxxxxx> > --- > drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c > index ce941fbb9cfb..a22eb6bbb05e 100644 > --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c > +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c > @@ -1886,7 +1886,8 @@ static int aldebaran_mode2_reset(struct smu_context *smu) > > index = smu_cmn_to_asic_specific_index(smu, CMN2ASIC_MAPPING_MSG, > SMU_MSG_GfxDeviceDriverReset); > - > + if (index < 0 ) > + return -EINVAL; To avoid warning problems, drop index and use PPSMC_MSG_GfxDriverReset instead of index. Thanks, Lijo > mutex_lock(&smu->message_lock); > if (smu->smc_fw_version >= 0x00441400) { > ret = smu_cmn_send_msg_without_waiting(smu, (uint16_t)index, SMU_RESET_MODE_2);