On Fri, 2022-09-16 at 13:22 +0000, Souza, Jose wrote:
> On Fri, 2022-09-16 at 14:08 +0300, Jouni Högander wrote:
> > If there is a PSR aux error sink is marked as not reliable
> > and PSR is permantently disabled.
> >
> > Current code is activating PSR again even there was PSR aux error.
> > Fix this by skipping intel_psr_activate when PSR aux error is
> > detected.
> >
> > Cc: Mika Kahola <mika.kah...@intel.com>
> > Cc: José Roberto de Souza <jose.so...@intel.com>
> >
> > Reported-by: Charlton Lin <charlton....@intel.com>
> > Signed-off-by: Jouni Högander <jouni.hogan...@intel.com>
> > ---
> > drivers/gpu/drm/i915/display/intel_psr.c | 4 +++-
> > 1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/i915/display/intel_psr.c
> > b/drivers/gpu/drm/i915/display/intel_psr.c
> > index 9def8d9fade6..42390203ad19 100644
> > --- a/drivers/gpu/drm/i915/display/intel_psr.c
> > +++ b/drivers/gpu/drm/i915/display/intel_psr.c
> > @@ -2153,8 +2153,10 @@ static void intel_psr_work(struct
> > work_struct *work)
> > if (!intel_dp->psr.enabled)
> > goto unlock;
> >
> > - if (READ_ONCE(intel_dp->psr.irq_aux_error))
> > + if (READ_ONCE(intel_dp->psr.irq_aux_error)) {
> > intel_psr_handle_irq(intel_dp);
> > + goto unlock;
> > + }
>
> Already handled.
> __psr_wait_for_idle_locked
> if (!intel_dp->psr.enabled)
> return false;
Ah, yes that is correct. Thank you for pointing this out. So this patch
is not needed.
>
> >
> > /*
> > * We have to make sure PSR is ready for re-enable
>
