DERRMR is documented in vlv bspec. Regards, Chon Ming On Sep 4, 2013, at 5:42 PM, "Daniel Vetter" <daniel@xxxxxxxx> wrote: > On Wed, Sep 4, 2013 at 11:28 AM, Lee, Chon Ming <chon.ming.lee@xxxxxxxxx> wrote: >> This patch causes VLV hang, look like ring buffer lockup. >> >> This is the message. >> [drm] stuck on render ring >> >> I haven't look at the bspec for the different between VLV and Ivybridge on this >> yet. Just see anyone have any clue why this might fail in VLV. > > I guess there's no DERRMR register on vlv? If that's the case I think > we just need to disable rcs flips on vlv. > -Daniel > -- > Daniel Vetter > Software Engineer, Intel Corporation > +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
