[PATCH] drm/i915/psr: Set DP_PSR_SU_REGION_SCANLINE_CAPTURE bit when needed

[Hogander, Jouni]

On Thu, 2024-06-20 at 15:06 +0000, Manna, Animesh wrote:
> 
> 
> > -----Original Message-----
> > From: Hogander, Jouni <jouni.hogander at intel.com>
> > Sent: Thursday, June 20, 2024 4:03 PM
> > To: intel-gfx at lists.freedesktop.org
> > Cc: Manna, Animesh <animesh.manna at intel.com>; Hogander, Jouni
> > <jouni.hogander at intel.com>
> > Subject: [PATCH] drm/i915/psr: Set
> > DP_PSR_SU_REGION_SCANLINE_CAPTURE bit when needed
> > 
> > Setting DP_PSR_SU_REGION_SCANLINE_CAPTURE (Selective Update Region
> > Scan Line Capture Indication in spec) bit was dropped when
> > psr_enable_sink
> > was split to _psr_enable_sink and _panel_replay_enable_sink. Add
> > setting it
> > back.
> > 
> > Fixes: 32f0045f905c ("drm/i915/psr: Split enabling sink for PSR and
> > Panel
> > Replay")
> > Signed-off-by: Jouni Högander <jouni.hogander at intel.com>
> 
> Reviewed-by: Animesh Manna <animesh.manna at intel.com>

Thank you Animesh for your review. This is now pushed to drm-intel-
next.

BR,

Jouni Högander

> 
> > ---
> >  drivers/gpu/drm/i915/display/intel_psr.c | 3 +++
> >  1 file changed, 3 insertions(+)
> > 
> > diff --git a/drivers/gpu/drm/i915/display/intel_psr.c
> > b/drivers/gpu/drm/i915/display/intel_psr.c
> > index a9d9383e4ee5..0dbcaf644624 100644
> > --- a/drivers/gpu/drm/i915/display/intel_psr.c
> > +++ b/drivers/gpu/drm/i915/display/intel_psr.c
> > @@ -732,6 +732,9 @@ static void _psr_enable_sink(struct intel_dp
> > *intel_dp,
> >                         val |= DP_PSR_CRC_VERIFICATION;
> >         }
> > 
> > +       if (crtc_state->req_psr2_sdp_prior_scanline)
> > +               val |= DP_PSR_SU_REGION_SCANLINE_CAPTURE;
> > +
> >         if (crtc_state->enable_psr2_su_region_et)
> >                 val |= DP_PANEL_REPLAY_ENABLE_SU_REGION_ET;
> > 
> > --
> > 2.34.1
>