[Public] > -----Original Message----- > From: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> > Sent: Thursday, April 14, 2022 6:46 AM > To: Deucher, Alexander <Alexander.Deucher@xxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx; Kazlauskas, Nicholas > <Nicholas.Kazlauskas@xxxxxxx>; Yang, Eric <Eric.Yang2@xxxxxxx>; > Wentland, Harry <Harry.Wentland@xxxxxxx>; Gong, Richard > <Richard.Gong@xxxxxxx> > Subject: Re: [PATCH 1/2] drm/amd/display: Add pstate verification and > recovery for DCN31 > > On Wed, Apr 13, 2022 at 11:33:38AM -0400, Alex Deucher wrote: > > From: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx> > > > > [Why] > > To debug when p-state is being blocked and avoid PMFW hangs when it > > does occur. > > > > [How] > > Re-use the DCN10 hardware sequencer by adding a new interface for > > verifying p-state high on the hubbub. The interface is mostly the same > > as the DCN10 interface, but the bit definitions have changed for the > > debug bus. > > > > Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx> > > Reviewed-by: Eric Yang <Eric.Yang2@xxxxxxx> > > Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx> > > Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> (cherry > picked > > from commit e7031d8258f1b4d6d50e5e5b5d92ba16f66eb8b4) > > Cc: richard.gong@xxxxxxx > > Cc: nicholas.kazlauskas@xxxxxxx > > Cc: stable@xxxxxxxxxxxxxxx # 3.15.x > > This does not apply to all of those kernels. Please provide backports for the > ones you want it applied to older than 5.15.y Argh, sorry I typed that, I meant 5.15.x. All good. Thanks, Alex
