[PATCH 5/6] drm/amd/powerplay: add mvdd dpm support.

[Alex Deucher]

On Tue, Jul 5, 2016 at 5:48 AM, Rex Zhu <Rex.Zhu at amd.com> wrote:
> SMC requires master switch bit to be se.
>
> Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
>
> Change-Id: I2f5fa89934c97c43885d5b0e09b3199981370067

With the s/be se/be set/ change mentioned by Alexandre fixed, the patch is:
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
> index 2a71262..46f91b3 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/polaris10_hwmgr.c
> @@ -1938,9 +1938,8 @@ static int polaris10_populate_vr_config(struct pp_hwmgr *hwmgr,
>         if (POLARIS10_VOLTAGE_CONTROL_BY_SVID2 == data->mvdd_control) {
>                 config = VR_SVI2_PLANE_2;
>                 table->VRConfig |= (config << VRCONF_MVDD_SHIFT);
> -       } else if (POLARIS10_VOLTAGE_CONTROL_BY_GPIO == data->mvdd_control) {
> -               config = VR_SMIO_PATTERN_2;
> -               table->VRConfig |= (config << VRCONF_MVDD_SHIFT);
> +               cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, data->soft_regs_start +
> +                       offsetof(SMU74_SoftRegisters, AllowMvddSwitch), 0x1);
>         } else {
>                 config = VR_STATIC_VOLTAGE;
>                 table->VRConfig |= (config << VRCONF_MVDD_SHIFT);
> --
> 1.9.1
>
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