On Fri, Apr 27, 2018 at 01:52:47PM +0800, Rex Zhu wrote:
> With powerplay enabled, also need to skip fan attributes
> if no fan present.
> 
> Signed-off-by: Rex Zhu <[email protected]>

Reviewed-by: Huang Rui <[email protected]>

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c      | 21 ++++++++-------------
>  drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c |  3 +++
>  2 files changed, 11 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c 
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> index d9802d9..2c82126 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> @@ -1364,19 +1364,14 @@ static umode_t hwmon_attributes_visible(struct 
> kobject *kobj,
>       struct amdgpu_device *adev = dev_get_drvdata(dev);
>       umode_t effective_mode = attr->mode;
>  
> -     /* handle non-powerplay limitations */
> -     if (!adev->powerplay.pp_handle) {
> -             /* Skip fan attributes if fan is not present */
> -             if (adev->pm.no_fan &&
> -                 (attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
> -                  attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
> -                  attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
> -                  attr == &sensor_dev_attr_pwm1_min.dev_attr.attr))
> -                     return 0;
> -             /* requires powerplay */
> -             if (attr == &sensor_dev_attr_fan1_input.dev_attr.attr)
> -                     return 0;
> -     }
> +
> +     /* Skip fan attributes if fan is not present */
> +     if (adev->pm.no_fan && (attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
> +         attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
> +         attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
> +         attr == &sensor_dev_attr_pwm1_min.dev_attr.attr ||
> +         attr == &sensor_dev_attr_fan1_input.dev_attr.attr))
> +             return 0;
>  
>       /* Skip limit attributes if DPM is not enabled */
>       if (!adev->pm.dpm_enabled &&
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c 
> b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
> index d1052b5..43f0ea8 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
> @@ -223,6 +223,9 @@ int hwmgr_hw_init(struct pp_hwmgr *hwmgr)
>       if (ret)
>               goto err;
>  
> +     ((struct amdgpu_device *)hwmgr->adev)->pm.no_fan =
> +                             hwmgr->thermal_controller.fanInfo.bNoFan;
> +
>       ret = hwmgr->hwmgr_func->backend_init(hwmgr);
>       if (ret)
>               goto err1;
> -- 
> 1.9.1
> 
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