On Wed, Sep 04, 2013 at 11:41:57AM +0200, Daniel Vetter 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. There's the DPFLIPSTAT register. But my understanding was that it only affects flip done signalling for MI_WAIT stuff. Worth a shot maybe anyway. -- Ville Syrjälä Intel OTC _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
