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

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Date:   Wed, 26 Jan 2022 12:31:40 +0100
From:   Thomas Zimmermann <tzimmermann@...e.de>
To:     Helge Deller <deller@....de>, Daniel Vetter <daniel@...ll.ch>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     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>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Lee Jones <lee.jones@...aro.org>,
        Heiner Kallweit <hkallweit1@...il.com>
Subject: Re: [PATCH v1 1/4] fbtft: Unorphan the driver

Hi

Am 26.01.22 um 12:17 schrieb Helge Deller:
> 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, ...).

And none of those examples is out-ruled by DRM. In fact we do support 
devices that fall in those categories.

This is last week's discussion all over again.

Best regards
Thomas

> 
> Helge

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Ivo Totev

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