Re: [PATCH 1/2] drm/i915/psr: Implement Wa_14014971492

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On Mon, 2023-01-23 at 16:00 -0500, Rodrigo Vivi wrote:
> On Wed, Jan 18, 2023 at 10:51:59AM +0200, Jouni Högander wrote:
> > Implement Wa_14014971492 and apply it for affected platforms.
> > 
> > Bspec: 52890, 54369, 55378, 66624
> > 
> > Cc: Mika Kahola <mika.kahola@xxxxxxxxx>
> > Cc: José Roberto de Souza <jose.souza@xxxxxxxxx>
> > Signed-off-by: Jouni Högander <jouni.hogander@xxxxxxxxx>
> > ---
> >  drivers/gpu/drm/i915/display/intel_psr.c | 5 +++++
> >  1 file changed, 5 insertions(+)
> > 
> > diff --git a/drivers/gpu/drm/i915/display/intel_psr.c
> > b/drivers/gpu/drm/i915/display/intel_psr.c
> > index 7d4a15a283a0..24900a790508 100644
> > --- a/drivers/gpu/drm/i915/display/intel_psr.c
> > +++ b/drivers/gpu/drm/i915/display/intel_psr.c
> > @@ -1842,6 +1842,11 @@ int intel_psr2_sel_fetch_update(struct
> > intel_atomic_state *state,
> >         if (full_update)
> >                 goto skip_sel_fetch_set_loop;
> >  
> > +       /* Wa_14014971492 */
> > +       if ((IS_MTL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0) ||
> > +            IS_DISPLAY_VER(dev_priv, 12, 13))
> 
> This is not true.
> 
> This lineage number shows as not needed for most of platforms with
> the display version 12.
> you should only have TGL and ADL-P here, besides the MTL one...
> 
> Which, btw, why we have a MTL_DISPLAY macro instead of using the
> display
> version :'( 

Thank you for checking my patch. Sent new version addressing this.

> 
> && crtc_state->splitter.enable)
> > +               pipe_clip.y1 = 0;
> > +
> >         ret = drm_atomic_add_affected_planes(&state->base, &crtc-
> > >base);
> >         if (ret)
> >                 return ret;
> > -- 
> > 2.34.1
> > 





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