https://bugs.freedesktop.org/show_bug.cgi?id=68235

--- Comment #22 from Alex Deucher <[email protected]> ---
(In reply to comment #20)
> Ok, if I apply the whole suggested patch but the following, it hangs:
> @@ -4152,14 +4152,14 @@ int ni_dpm_init(struct radeon_device *rdev)
>       }
>       ni_pi->mclk_rtt_mode_threshold = eg_pi->mclk_edc_wr_enable_threshold;
>  
> -     pi->voltage_control =
> -             radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, 
> 0);
> +     pi->voltage_control = false;
> +//           radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, 
> 0);
>  
> -     pi->mvdd_control =
> -             radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_MVDDC, 
> 0);
> +     pi->mvdd_control = false;
> +//           radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_MVDDC, 
> 0);
>  
> -     eg_pi->vddci_control =
> -             radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 
> 0);
> +     eg_pi->vddci_control = false;
> +//           radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 
> 0);
>  
>       rv770_get_engine_memory_ss(rdev);

So does just applying this portion of the patch by itself fix the hang?

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