On Tue, Oct 13, 2015 at 03:45:58PM +0300, Jani Nikula wrote: > On Wed, 26 Aug 2015, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote: > > On Wed, Aug 26, 2015 at 11:16:34AM +0200, Daniel Vetter wrote: > >> On Fri, Aug 21, 2015 at 04:08:41PM +0100, Chris Wilson wrote: > >> > In order to flush the results from in-batch pipecontrol writes (used for > >> > example in glQuery) before declaring the batch complete (and so declaring > >> > the query results coherent), we need to set the FlushEnable bit in our > >> > flushing pipecontrol. The FlushEnable bit "waits until all previous > >> > writes of immediate data from post-sync circles are complete before > >> > executing the next command". > >> > > >> > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > >> > Cc: stable@xxxxxxxxxxxxxxx > >> > >> Do we have an igt/piglit failing somewhere (igt kinda preferred) or a > >> bugzilla or why is this cc: stable? > > > > I get GPU hangs on byt without flushing these writes (running ue4). > > piglit has examples where the flush is required for correct rendering. > > Daniel, does this satisfy your question? We've had an r-b from Ville for > a long time. Yeah, just add that bit to the commit message to justify cc: stable. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
