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

Ville Syrjälä ville.syrjala at linux.intel.com
Wed Oct 29 20:05:08 CET 2014


On Wed, Sep 24, 2014 at 03:06:11PM +0100, Damien Lespiau wrote:
> 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?

Sure. This seems fine for now.

Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

-- 
Ville Syrjälä
Intel OTC



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