On Thu, Sep 15, 2016 at 04:14:22PM +0530, Kamble, Sagar A wrote: > > > On 9/9/2016 10:13 PM, Chris Wilson wrote: > >On Fri, Sep 09, 2016 at 06:21:44PM +0530, Sagar Arun Kamble wrote: > >>With SLPC, user can read this value to know SLPC requested frequency. > >Not SLPC specific, even elsewhere there may be a delay between the cur > >value and the req (just means something more on SLPC). > cur_freq is updated whenever RPNSWREQ is written so they should be > same right? > Where will delay come into picture?
RPNSWEQ is only updated from an irq worker. Plenty of scope for breakage. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
