Re: [PATCH 05/19] drm/i915: Refactor max WM level

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2013/8/30  <ville.syrjala@xxxxxxxxxxxxxxx>:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Pull the expected max WM level determinations out to a separate
> function. Will have another user soon.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Reviewed-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>

> ---
>  drivers/gpu/drm/i915/intel_pm.c | 19 +++++++++++--------
>  1 file changed, 11 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index d118ee1..163ba74 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -2558,19 +2558,22 @@ static void intel_fixup_cur_wm_latency(struct drm_device *dev, uint16_t wm[5])
>                 wm[3] *= 2;
>  }
>
> -static void intel_print_wm_latency(struct drm_device *dev,
> -                                  const char *name,
> -                                  const uint16_t wm[5])
> +static int ilk_wm_max_level(const struct drm_device *dev)
>  {
> -       int level, max_level;
> -
>         /* how many WM levels are we expecting */
>         if (IS_HASWELL(dev))
> -               max_level = 4;
> +               return 4;
>         else if (INTEL_INFO(dev)->gen >= 6)
> -               max_level = 3;
> +               return 3;
>         else
> -               max_level = 2;
> +               return 2;
> +}
> +
> +static void intel_print_wm_latency(struct drm_device *dev,
> +                                  const char *name,
> +                                  const uint16_t wm[5])
> +{
> +       int level, max_level = ilk_wm_max_level(dev);
>
>         for (level = 0; level <= max_level; level++) {
>                 unsigned int latency = wm[level];
> --
> 1.8.1.5
>
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-- 
Paulo Zanoni
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