[PATCH V2 6/6] drm/amd/pm: drop unneeded dpm features disablement for SMU 13.0.0/7

[Alex Deucher]

Patches 2-6 are:
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

On Sun, Jun 5, 2022 at 11:13 PM Evan Quan <evan.quan at amd.com> wrote:
>
> PMFW will handle that properly. Driver involvement may cause some
> unexpected issues.
>
> Signed-off-by: Evan Quan <evan.quan at amd.com>
> Change-Id: I77da7d894485a3ac6a1a956e4d2605d0bc730c25
> ---
>  drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 13 ++++++++++++-
>  1 file changed, 12 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> index a2db68847477..fd269b8510a5 100644
> --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> @@ -1402,6 +1402,18 @@ static int smu_disable_dpms(struct smu_context *smu)
>                   (amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)) ||
>                  ((adev->in_runpm || adev->in_s4) && amdgpu_asic_supports_baco(adev)));
>
> +       /*
> +        * For SMU 13.0.0 and 13.0.7, PMFW will handle the DPM features(disablement or others)
> +        * properly on suspend/reset/unload. Driver involvement may cause some unexpected issues.
> +        */
> +       switch (adev->ip_versions[MP1_HWIP][0]) {
> +       case IP_VERSION(13, 0, 0):
> +       case IP_VERSION(13, 0, 7):
> +               return 0;
> +       default:
> +               break;
> +       }
> +
>         /*
>          * For custom pptable uploading, skip the DPM features
>          * disable process on Navi1x ASICs.
> @@ -1439,7 +1451,6 @@ static int smu_disable_dpms(struct smu_context *smu)
>                 case IP_VERSION(11, 0, 0):
>                 case IP_VERSION(11, 0, 5):
>                 case IP_VERSION(11, 0, 9):
> -               case IP_VERSION(13, 0, 0):
>                         return 0;
>                 default:
>                         break;
> --
> 2.29.0
>