[Intel-gfx] [PATCH 1/8] drm/i915: add audio power domain

[Paulo Zanoni]

2013/11/1 Imre Deak <imre.deak at intel.com>:
> This way the code is simpler and can also be used for other platforms
> where the audio power domain->power well mapping is different.
>
> Signed-off-by: Imre Deak <imre.deak at intel.com>

Good idea!

Reviewed-by: Paulo Zanoni <paulo.r.zanoni at intel.com>

> ---
>  drivers/gpu/drm/i915/i915_drv.h |  1 +
>  drivers/gpu/drm/i915/intel_pm.c | 10 ++--------
>  2 files changed, 3 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 2c1921d..e2e72e8 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -100,6 +100,7 @@ enum intel_display_power_domain {
>         POWER_DOMAIN_TRANSCODER_C,
>         POWER_DOMAIN_TRANSCODER_EDP,
>         POWER_DOMAIN_VGA,
> +       POWER_DOMAIN_AUDIO,
>         POWER_DOMAIN_INIT,
>
>         POWER_DOMAIN_NUM,
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index 09ac9e7..34e1a8b 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -5653,10 +5653,7 @@ void i915_request_power_well(void)
>
>         dev_priv = container_of(hsw_pwr, struct drm_i915_private,
>                                 power_domains);
> -
> -       mutex_lock(&hsw_pwr->lock);
> -       __intel_power_well_get(dev_priv->dev, &hsw_pwr->power_wells[0]);
> -       mutex_unlock(&hsw_pwr->lock);
> +       intel_display_power_get(dev_priv->dev, POWER_DOMAIN_AUDIO);
>  }
>  EXPORT_SYMBOL_GPL(i915_request_power_well);
>
> @@ -5670,10 +5667,7 @@ void i915_release_power_well(void)
>
>         dev_priv = container_of(hsw_pwr, struct drm_i915_private,
>                                 power_domains);
> -
> -       mutex_lock(&hsw_pwr->lock);
> -       __intel_power_well_put(dev_priv->dev, &hsw_pwr->power_wells[0]);
> -       mutex_unlock(&hsw_pwr->lock);
> +       intel_display_power_put(dev_priv->dev, POWER_DOMAIN_AUDIO);
>  }
>  EXPORT_SYMBOL_GPL(i915_release_power_well);
>
> --
> 1.8.4
>
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-- 
Paulo Zanoni