Re: [PATCH v4 04/19] drm/msm/dpu: drop dpu_mdss_cfg::mdp_count field

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On Tue, 4 Jul 2023 at 13:06, Dmitry Baryshkov
<dmitry.baryshkov@xxxxxxxxxx> wrote:
>
> On Tue, 4 Jul 2023 at 07:04, Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx> wrote:
> >
> >
> >
> > On 7/3/2023 7:20 PM, Dmitry Baryshkov wrote:
> > > On 03/07/2023 05:01, Abhinav Kumar wrote:
> > >>
> > >>
> > >> On 6/19/2023 2:25 PM, Dmitry Baryshkov wrote:
> > >>> There is always a single MDP TOP block. Drop the mdp_count field and
> > >>> stop declaring dpu_mdp_cfg instances as arrays.
> > >>>
> > >>> Tested-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>
> > >>> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> > >>> ---
> > >>
> > >> The change drops mdp_count and stops using the array which is fine and
> > >> I will support that.
> > >>
> > >> But looking at the pattern I saw while using core_revision, both
> > >> DPU_MDP_VSYNC_SEL and DPU_MDP_AUDIO_SELECT can also be dropped from
> > >> the catalog in favor of using core_revision.
> > >>
> > >> Hence for that, I request you not to stop passing dpu_mdss_cfg to
> > >> dpu_hw_mdptop_init as that has the necessary information of
> > >> core_revision.
> > >
> > > Sure, I'll restore it. Please note, however, that it might be better to
> > > pass struct dpu_caps instead of the full struct dpu_mdss_cfg.
> > >
> >
> > Thanks for restoring.
> >
> > Can you pls explain this better? dpu_core_rev is part of dpu_mdss_cfg,
> > so dpu_caps wont be enough for this one.
>
> Oh, true. For some reason I thought that version is a part of dpu_caps.

And after additional thought. Maybe it would be better to add a
separate struct dpu_mdss_version and pass it to the hw block init
functions?

>
> >
> > >>
> > >>>   .../msm/disp/dpu1/catalog/dpu_3_0_msm8998.h   |  7 +---
> > >>>   .../msm/disp/dpu1/catalog/dpu_4_0_sdm845.h    |  7 +---
> > >>>   .../msm/disp/dpu1/catalog/dpu_5_0_sm8150.h    |  7 +---
> > >>>   .../msm/disp/dpu1/catalog/dpu_5_1_sc8180x.h   |  7 +---
> > >>>   .../msm/disp/dpu1/catalog/dpu_6_0_sm8250.h    |  7 +---
> > >>>   .../msm/disp/dpu1/catalog/dpu_6_2_sc7180.h    |  7 +---
> > >>>   .../msm/disp/dpu1/catalog/dpu_6_3_sm6115.h    |  7 +---
> > >>>   .../msm/disp/dpu1/catalog/dpu_6_4_sm6350.h    |  7 +---
> > >>>   .../msm/disp/dpu1/catalog/dpu_6_5_qcm2290.h   |  7 +---
> > >>>   .../msm/disp/dpu1/catalog/dpu_6_9_sm6375.h    |  7 +---
> > >>>   .../msm/disp/dpu1/catalog/dpu_7_0_sm8350.h    |  7 +---
> > >>>   .../msm/disp/dpu1/catalog/dpu_7_2_sc7280.h    |  7 +---
> > >>>   .../msm/disp/dpu1/catalog/dpu_8_0_sc8280xp.h  |  7 +---
> > >>>   .../msm/disp/dpu1/catalog/dpu_8_1_sm8450.h    |  7 +---
> > >>>   .../msm/disp/dpu1/catalog/dpu_9_0_sm8550.h    |  7 +---
> > >>>   .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h    |  1 -
> > >>>   drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.c    | 38 +++----------------
> > >>>   drivers/gpu/drm/msm/disp/dpu1/dpu_hw_top.h    |  8 ++--
> > >>>   drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c       |  4 +-
> > >>>   19 files changed, 41 insertions(+), 115 deletions(-)
> > >
>
>
>
> --
> With best wishes
> Dmitry



-- 
With best wishes
Dmitry



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