[PATCH 0/3] Revert panel fixes and original buggy patch

Laurent Pinchart laurent.pinchart at ideasonboard.com
Mon Nov 27 23:52:44 UTC 2023


On Tue, Nov 28, 2023 at 12:36:15AM +0100, Linus Walleij wrote:
> On Tue, Nov 28, 2023 at 12:25 AM Laurent Pinchart wrote:
> > On Tue, Nov 28, 2023 at 12:10:18AM +0100, Linus Walleij wrote:
> > > This series reverts the attempts to fix the bug that went
> > > into v6.7-rc1 in commit 199cf07ebd2b
> > > "drm/bridge: panel: Add a device link between drm device and panel device"
> > > and then it reverts that patch as well.
> > >
> > > Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
> > > ---
> > > Linus Walleij (3):
> > >       Revert "driver core: Export device_is_dependent() to modules"
> > >       Revert "drm/bridge: panel: Check device dependency before managing device link"
> > >       Revert "drm/bridge: panel: Add a device link between drm device and panel device"
> >
> > To preserve bisectability, you should revert in the opposite order.
> 
> You mean apply patch 2, then 1, then 3 so the kernel builds after each
> revert?
> 
> Yeah that's a good idea, I don't know if I should apply these though, better
> someone else do it since I screwed up too much.
> 
> Another option is to just squash the reverts into one, that bisects too :/

I thought the commits have been applied to drm-misc in a bisectable
order in the first place, but that doesn't seem to be the case :-(
Reverting "driver core: Export device_is_dependent() to modules" last
seems to be the best option in this case. I wouldn't squash them.

-- 
Regards,

Laurent Pinchart


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