On Tue, 30 Aug 2016, Martin van Es <martin@xxxxxxxxxxx> wrote: > Hi Andrea, > > I'd be happy to test, but what am I testing when applying these boot > parameters? In other words: what should I report? The point is, for an ivybridge setting those parameters should not make *any* difference. BR, Jani. > > And just to be sure, I THINK I own an IVB but intel is not very vocal about it > when searching for familyname. I have a > > vendor_id : GenuineIntel > cpu family : 6 > model : 58 > model name : Intel(R) Core(TM) i7-3537U CPU @ 2.00GHz > stepping : 9 > microcode : 0x17 > > Regards, > Martin > > On maandag 29 augustus 2016 20:48:43 CEST Andrea Arcangeli wrote: >> On Mon, Aug 29, 2016 at 10:24:38AM +0300, Jani Nikula wrote: >> > If it's an Iybridge, there's no low vswing, and that explanation is >> > false. You can verify by trying i915.edp_vswing=1 or i915.edp_vswing=2 >> > on an unpatched kernel. >> >> CC'ed Martin who filed the bz, he can reproduce too >> https://bugzilla.kernel.org/show_bug.cgi?id=151731 >> >> Since you can reproduce would you have the time to test the two above >> options on stock 4.7.x/4.8-rc and help tracking this down? I'm afraid >> I won't be able to test it today and I'll be mostly offline for a week >> starting tomorrow. >> >> Thanks, >> Andrea -- Jani Nikula, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
