On ke, 2016-07-27 at 13:30 +0100, Chris Wilson wrote:
> On Wed, Jul 27, 2016 at 12:53:25PM +0100, Dave Gordon wrote:
> >
> > On 25/07/16 08:44, Chris Wilson wrote:
> > >
> > > +static void i9xx_submit_request(struct drm_i915_gem_request *request)
> > > +{
> > > + struct drm_i915_private *dev_priv = request->i915;
> > > +
> > > + I915_WRITE_TAIL(request->engine,
> > > + request->tail % (request->ring->size - 1));
> > > +}
> > Another "modulo ringsize-1" here too.
> Because the original code included that safe guard against known GPU
> hangs.
I think a comment would be justified.
Regards, Joonas
> -Chris
>
--
Joonas Lahtinen
Open Source Technology Center
Intel Corporation
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