linux-kernel - Re: [PATCH v1 1/4] fbtft: Unorphan the driver

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Message-ID: <CAKMK7uFhJPpiHqL-040ozbCM=QxiWNrFHp1gOEUvpEUjxbwAQQ@mail.gmail.com>
Date:   Wed, 26 Jan 2022 12:27:19 +0100
From:   Daniel Vetter <daniel@...ll.ch>
To:     Helge Deller <deller@....de>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Andy Shevchenko <andy@...nel.org>, linux-fbdev@...r.kernel.org,
        Michael Hennerich <michael.hennerich@...log.com>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        Phillip Potter <phil@...lpotter.co.uk>,
        Carlis <zhangxuezhi1@...ong.com>,
        Lee Jones <lee.jones@...aro.org>,
        Heiner Kallweit <hkallweit1@...il.com>
Subject: Re: [PATCH v1 1/4] fbtft: Unorphan the driver

On Wed, Jan 26, 2022 at 12:18 PM Helge Deller <deller@....de> wrote:
>
> On 1/26/22 11:31, Daniel Vetter wrote:
> > On Wed, Jan 26, 2022 at 9:31 AM Greg Kroah-Hartman
> > <gregkh@...uxfoundation.org> wrote:
> >>
> >> On Tue, Jan 25, 2022 at 10:21:14PM +0200, Andy Shevchenko wrote:
> >>> Let's maintain occasional fixes to the fbtft driver.
> >>>
> >>> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> >>> ---
> >>>  MAINTAINERS | 4 +++-
> >>>  1 file changed, 3 insertions(+), 1 deletion(-)
> >>>
> >>> diff --git a/MAINTAINERS b/MAINTAINERS
> >>> index ea3e6c914384..16e614606ac1 100644
> >>> --- a/MAINTAINERS
> >>> +++ b/MAINTAINERS
> >>> @@ -7372,9 +7372,11 @@ F:     Documentation/fault-injection/
> >>>  F:   lib/fault-inject.c
> >>>
> >>>  FBTFT Framebuffer drivers
> >>> +M:   Andy Shevchenko <andy@...nel.org>
> >>>  L:   dri-devel@...ts.freedesktop.org
> >>>  L:   linux-fbdev@...r.kernel.org
> >>> -S:   Orphan
> >>> +S:   Maintained
> >>> +T:   git git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-fbtft.git
> >>
> >> I'm ok with the files moving if the dri developers agree with it.  It's
> >> up to them, not me.
> >
> > On one hand I'm happy anytime someone volunteers to help out.
> >
> > On the other hand ... why does it have to be resurrecting fbdev?
> > There's an entire community of people who really know graphics and
> > display and spent considerable amount of effort on creating useful and
> > documented helpers for pretty much anything you might ever want to do.
> > And somehow we have to go back to typing out things the hard way, with
> > full verbosity, for an uapi that distros are abandoning (e.g. even for
> > sdl the direction is to run it on top of drm with a compat layer,
> > afaiui fedora is completely ditching any userspace that still even
> > uses /dev/fb/0). And yes I know there's still some gaps in drm,
> > largely for display features which were really en vogue about 20 years
> > ago. And we're happy to add that support, if someone who still has
> > such hardware can put in the little bit of work needed ...
> >
> > I don't get this.
>
> You are describing a transitioning over to DRM - which is Ok.
> But on that way there is no need to ignore, deny or even kill usage scenarios
> which are different compared to your usage scenarios (e.g. embedded devices,
> old platforms, slow devices, slow busses, no 3D hardware features,
> low-color devices, ...).

This patchset isn't about killing existing support.

This is about adding new drivers to a subsystem where consensus the
past 6 years or so was that it's closed for new drivers.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch