Am Wed, 7 Jun 2023 20:09:58 +0200 schrieb Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>: > On Fri, Jun 02, 2023 at 06:05:06PM +0200, Henning Schild wrote: > > From: Matt Roper <matthew.d.roper@xxxxxxxxx> > > > > From: Matt Roper <matthew.d.roper@xxxxxxxxx> > > Twice? > > > > > [ Upstream commit f9c730ede7d3f40900cb493890d94d868ff2f00f ] > > > > DG1 does some additional pcode/uncore handshaking at > > boot time; this handshaking must complete before various other pcode > > commands are effective and before general work is submitted to the > > GPU. We need to poll a new pcode mailbox during startup until it > > reports that this handshaking is complete. > > > > The bspec doesn't give guidance on how long we may need to wait for > > this handshaking to complete. For now, let's just set a really > > long timeout; if we still don't get a completion status by the end > > of that timeout, we'll just continue on and hope for the best. > > > > v2 (Lucas): Rename macros to make clear the relation between > > command and result (requested by José) > > > > Bspec: 52065 > > Cc: Clinton Taylor <Clinton.A.Taylor@xxxxxxxxx> > > Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > Cc: Radhakrishna Sripada <radhakrishna.sripada@xxxxxxxxx> > > Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx> > > Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx> > > Reviewed-by: José Roberto de Souza <jose.souza@xxxxxxxxx> > > Link: > > https://patchwork.freedesktop.org/patch/msgid/20201001063917.3133475-2-lucas.demarchi@xxxxxxxxx > > > > You also need to sign-off on a patch you submit for inclusion > anywhere, right? I was not sure that was needed for a backport, but will add it once i resend. > Please resend this series with that added so that we can queue them > up. Will do. Matt would you agree? As i said i just googled/bisected and found this one and it seems to help. But you seem to say that it does not fit. I am guessing the patch might not be as atomic as could be, that is why backporting it helps. Henning > thanks, > > greg k-h