Re: [PATCH 52/89] drm/i915/gen9: Disable WM if corresponding latency is 0

Damien Lespiau
2014-09-24T14:07:45Z

On Fri, Sep 19, 2014 at 01:05:02PM +0300, Ville Syrjälä wrote:
>
> If we're going to be paranoid I think we should disable all higher WM
> levels whose latency is lower than any of the lower levels. And I
> think we'll want something like dev_priv->wm.max_wm_level instead of
> relying on the zero latency tricks. That thing has been on my TODO
> list since forever.

Can we go step by step? add this patch and then I noted this as a task
for post merge work. No sure who will end up doing and and if the
sanitazing code can be shared between platforms (probably yes?), but
that can wait a bit longer?

--
Damien