[PATCH 05/22] drm/amd/pm: check specific index for aldebaran

[Huang, Tim]

[AMD Official Use Only - General]

This patch is,

Reviewed-by: Tim Huang <Tim.Huang at amd.com>



> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Jesse
> Zhang
> Sent: Friday, May 10, 2024 10:50 AM
> To: amd-gfx at lists.freedesktop.org
> Cc: Deucher, Alexander <Alexander.Deucher at amd.com>; Koenig, Christian
> <Christian.Koenig at amd.com>; Huang, Tim <Tim.Huang at amd.com>; Zhang,
> Jesse(Jie) <Jesse.Zhang at amd.com>; Zhang, Jesse(Jie)
> <Jesse.Zhang at amd.com>
> Subject: [PATCH 05/22] drm/amd/pm: check specific index for aldebaran
>
> Check for specific indexes that may be invalid values.
>
> Signed-off-by: Jesse Zhang <Jesse.Zhang at amd.com>
> ---
>  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;
>       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);
> --
> 2.25.1