Re: [PATCH 1/3] drm/i915: Also delay first activation for SKL+

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Hi Rodrigo,

On 19 November 2015 at 00:39, Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> wrote:
> @@ -441,15 +438,14 @@ void intel_psr_enable(struct intel_dp *intel_dp)
>         /*
>          * FIXME: Activation should happen immediately since this function
>          * is just called after pipe is fully trained and enabled.
> -        * However on every platform we face issues when first activation
> +        * However on some platforms we face issues when first activation
>          * follows a modeset so quickly.
>          *     - On VLV/CHV we get bank screen on first activation
>          *     - On HSW/BDW we get a recoverable frozen screen until next
>          *       exit-activate sequence.
>          */
> -       if (INTEL_INFO(dev)->gen < 9)
> -               schedule_delayed_work(&dev_priv->psr.work,
> -                                     msecs_to_jiffies(intel_dp->panel_power_cycle_delay * 5));
> +       schedule_delayed_work(&dev_priv->psr.work,
> +                             msecs_to_jiffies(intel_dp->panel_power_cycle_delay * 5));

The comment change here seems to be the exact opposite of the code
change: aren't we now seeing these issues on every platform? If not,
it would be good to elaborate on the issues seen in SKL/BSW.

Cheers,
Daniel
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