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.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
