On Thu, 2014-11-27 at 20:07 +0100, Daniel Vetter wrote: > On Thu, Nov 27, 2014 at 01:08:58PM +0200, Imre Deak wrote: > > On Thu, 2014-11-20 at 23:01 +0200, Imre Deak wrote: > > > Atm, we don't disable RPS interrupts and related work items before > > > resetting the GPU. This may interfere with the following GPU > > > initialization and cause RPS interrupts to show up in PM_IIR too early > > > before calling gen6_enable_rps_interrupts() (triggering a WARN there). > > > > > > Solve this by disabling RPS interrupts and flushing any related work > > > items before resetting the GPU. > > > > > > Reported-by: He, Shuang <shuang.he@xxxxxxxxx> > > > Testcase: igt/gem_reset_stats/ban-render > > > Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx> > > > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=86644 > > Also this fixes a regression introduced in > > commit 3cc134e3ee09055d5a87193fc7eb0ecf4a59eaa1 > Author: Imre Deak <imre.deak@xxxxxxxxx> > Date: Wed Nov 19 15:30:03 2014 +0200 > > drm/i915: sanitize rps irq enabling This issue has been always around it was just less likely to trigger the WARN. The above commit only made this happen all the time. > > Paulo, can you please review Imre's patches? > -Daniel _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
