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SubjectRe: [RFC][PATCH] drm: kirin: Fix dsi probe/attach logic
On Wed, Sep 4, 2019 at 3:26 AM Andrzej Hajda <> wrote:
> On 03.09.2019 18:18, John Stultz wrote:
> > On Mon, Sep 2, 2019 at 6:22 AM Andrzej Hajda <> wrote:
> >> On 30.08.2019 19:00, Rob Clark wrote:
> >>> On Thu, Aug 29, 2019 at 11:52 PM Andrzej Hajda <> wrote:
> >>>> Of course it seems you have different opinion what is the right thing in
> >>>> this case, so if you convince us that your approach is better one can
> >>>> revert the patch.
> >>> I guess my strongest / most immediate opinion is to not break other
> >>> existing adv75xx bridge users.
> >>
> >> It is pity that breakage happened, and next time we should be more
> >> strict about testing other platforms, before patch acceptance.
> >>
> >> But reverting it now will break also platform which depend on it.
> > I'm really of no opinion of which approach is better here, but I will
> > say that when a patch breaks previously working boards, that's a
> > regression and justifying that some other board is now enabled that
> > would be broken by the revert (of a patch that is not yet upstream)
> > isn't really a strong argument.
> >
> > I'm happy to work with folks to try to fixup the kirin driver if this
> > patch really is the right approach, but we need someone to do the same
> > for the db410c, and I don't think its fair to just dump that work onto
> > folks under the threat of the board breaking.
> These drivers should be fixed anyway - assumption that
> drm_bridge/drm_panel will be registered before the bus it is attached to
> is just incorrect.
> So instead of reverting, fixing and then re-applying the patch I have
> gently proposed shorter path. If you prefer long path we can try to go
> this way.
> Matt, is the pure revert OK for you or is it possible to prepare some
> workaround allowing cooperation with both approaches?

Rob/Andrzej: What's the call here?

Should I resubmit the kirin fix for the adv7511 regression here?
Or do we revert the adv7511 patch? I believe db410c still needs a fix.

I'd just like to keep the HiKey board from breaking, so let me know so
I can get the fix submitted if needed.


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