Re: [PATCH] drm/i915/psr: Use hw.adjusted mode when calculating io/fast wake times

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On Wed, 2023-06-21 at 06:59 +0000, Kahola, Mika wrote:
> > -----Original Message-----
> > From: Intel-gfx <intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf
> > Of Jouni Högander
> > Sent: Tuesday, June 20, 2023 2:18 PM
> > To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> > Subject:  [PATCH] drm/i915/psr: Use hw.adjusted mode
> > when calculating io/fast wake times
> > 
> > Encoder compute config is changing hw.adjusted mode. Uapi.adjusted
> > mode doesn't get updated before psr compute config
> > gets called. This causes io and fast wake line calculation using
> > adjusted mode containing values before encoder adjustments. Fix
> > this by using hw.adjusted mode instead of uapi.adjusted mode.
> > 
> > Cc: Stanislav Lisovskiy <stanislav.lisovskiy@xxxxxxxxx>
> > 
> 
> Reviewed-by: Mika Kahola <mika.kahola@xxxxxxxxx>

Thank you Mika for the review. This noow pushed.

BR,

Jouni Högander
> 
> > Signed-off-by: Jouni Högander <jouni.hogander@xxxxxxxxx>
> > Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/8475
> > Fixes: cb42e8ede5b4 ("drm/i915/psr: Use calculated io and fast wake
> > lines")
> > ---
> >  drivers/gpu/drm/i915/display/intel_psr.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/display/intel_psr.c
> > b/drivers/gpu/drm/i915/display/intel_psr.c
> > index df517c395da7..04ab034a8d57 100644
> > --- a/drivers/gpu/drm/i915/display/intel_psr.c
> > +++ b/drivers/gpu/drm/i915/display/intel_psr.c
> > @@ -1044,9 +1044,9 @@ static bool _compute_psr2_wake_times(struct
> > intel_dp *intel_dp,
> >         }
> > 
> >         io_wake_lines = intel_usecs_to_scanlines(
> > -               &crtc_state->uapi.adjusted_mode, io_wake_time);
> > +               &crtc_state->hw.adjusted_mode, io_wake_time);
> >         fast_wake_lines = intel_usecs_to_scanlines(
> > -               &crtc_state->uapi.adjusted_mode, fast_wake_time);
> > +               &crtc_state->hw.adjusted_mode, fast_wake_time);
> > 
> >         if (io_wake_lines > max_wake_lines ||
> >             fast_wake_lines > max_wake_lines)
> > --
> > 2.34.1
> 





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