Re: [PATCH 13/16] drm/amd/powerplay: max code sharing between .hw_fini and .suspend

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On Thu, Jun 4, 2020 at 12:47 AM Evan Quan <evan.quan@xxxxxxx> wrote:
>
> Thus redundant code can be dropped.
>
> Change-Id: I672f84ed5856da53b7f8f915b2f24ca11cd4b228
> Signed-off-by: Evan Quan <evan.quan@xxxxxxx>

Clarify subject:

drm/amd/powerplay: maximize code sharing between .hw_fini and .suspend

With that fixed:
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>

> ---
>  drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 44 +++++++++++-----------
>  1 file changed, 23 insertions(+), 21 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
> index 55ffbf1cf086..65f5edcaa405 100644
> --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
> +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
> @@ -1376,6 +1376,26 @@ static int smu_disable_dpms(struct smu_context *smu)
>         return ret;
>  }
>
> +static int smu_internal_hw_cleanup(struct smu_context *smu)
> +{
> +       struct amdgpu_device *adev = smu->adev;
> +       int ret = 0;
> +
> +       smu_i2c_eeprom_fini(smu, &adev->pm.smu_i2c);
> +
> +       ret = smu_disable_thermal_alert(smu);
> +       if (ret) {
> +               pr_warn("Fail to stop thermal control!\n");
> +               return ret;
> +       }
> +
> +       ret = smu_disable_dpms(smu);
> +       if (ret)
> +               return ret;
> +
> +       return 0;
> +}
> +
>  static int smu_hw_fini(void *handle)
>  {
>         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> @@ -1396,19 +1416,9 @@ static int smu_hw_fini(void *handle)
>
>         adev->pm.dpm_enabled = false;
>
> -       smu_i2c_eeprom_fini(smu, &adev->pm.smu_i2c);
> -
> -       ret = smu_disable_thermal_alert(smu);
> -       if (ret) {
> -               pr_warn("Fail to stop thermal control!\n");
> -               return ret;
> -       }
> -
> -       ret = smu_disable_dpms(smu);
> -       if (ret) {
> -               pr_warn("Fail to stop Dpms!\n");
> +       ret = smu_internal_hw_cleanup(smu);
> +       if (ret)
>                 return ret;
> -       }
>
>         return 0;
>  }
> @@ -1445,15 +1455,7 @@ static int smu_suspend(void *handle)
>
>         adev->pm.dpm_enabled = false;
>
> -       smu_i2c_eeprom_fini(smu, &adev->pm.smu_i2c);
> -
> -       ret = smu_disable_thermal_alert(smu);
> -       if (ret) {
> -               pr_warn("Fail to stop thermal control!\n");
> -               return ret;
> -       }
> -
> -       ret = smu_disable_dpms(smu);
> +       ret = smu_internal_hw_cleanup(smu);
>         if (ret)
>                 return ret;
>
> --
> 2.27.0
>
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