On Thu, Nov 27, 2014 at 03:56:38PM +0200, Jani Nikula wrote: > On Tue, 25 Nov 2014, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote: > > This reverts commit c211a47c2c28562f8a3fff9e027be1a3ed9e154a. > > > > This causes an unwarranteed API break for existing and active userspace. > > Ville had an interesting observation regarding the commit being > reverted: https://bugs.freedesktop.org/show_bug.cgi?id=86679#c9 Not really, it is just a hack to workaround the equally gross hack commit d23db88c3ab233daed18709e3a24d6c95344117f Author: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Date: Fri May 23 08:48:08 2014 +0200 drm/i915: Prevent negative relocation deltas from wrapping which is to work around a hw bug on gen7+. The fix would have either to been to also observe the bias inside pin_ioctl. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
