linux-kernel - Re: [PATCH 08/17] arch/sh: Do not assign FBINFO_FLAG_DEFAULT to fb

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Message-ID: <b9fe2f32-f4f6-6158-267a-da83b731b794@suse.de>
Date:   Mon, 10 Jul 2023 16:04:30 +0200
From:   Thomas Zimmermann <tzimmermann@...e.de>
To:     John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
        deller@....de, javierm@...hat.com
Cc:     linux-sh@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, amd-gfx@...ts.freedesktop.org,
        linux-input@...r.kernel.org, linux-media@...r.kernel.org,
        linux-fbdev@...r.kernel.org, linux-staging@...ts.linux.dev,
        linux-arm-kernel@...ts.infradead.org,
        linux-geode@...ts.infradead.org, linux-nvidia@...ts.surfsouth.com,
        linux-hyperv@...r.kernel.org, linux-omap@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, kvm@...r.kernel.org,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>
Subject: Re: [PATCH 08/17] arch/sh: Do not assign FBINFO_FLAG_DEFAULT to
 fb_videomode.flag

Hi

Am 10.07.23 um 15:59 schrieb John Paul Adrian Glaubitz:
> Hi Thomas!
> 
> On Mon, 2023-07-10 at 15:52 +0200, Thomas Zimmermann wrote:
>>> I would argue that the current code is more readable that your proposed change.
>>>
>>> I agree that it's a no-op, but code is not just about functionality but also
>>> readability, isn't it?
>>
>> I won't argue with that, but the flag itself is wrong.
>> FBINFO_FLAG_DEFAULT is/was for struct fb_info.flags. You have struct
>> fb_videomode.flag. The valid flags for this field are at [1]. If
>> anything, the field could be initialized to FB_MODE_IS_UNKNOWN, which
>> has the same value.
>>
>> [1] https://elixir.bootlin.com/linux/latest/source/include/linux/fb.h#L681
> 
> FB_MODE_IS_UNKNOWN sounds very reasonable to me. Would you agree using that instead?

Sure, I'll update the patch accordingly.

Best regards
Thomas

> 
>>>
>>> Also, I prefer "sh:" as the architecture prefix, not "arch/sh:".
>>
>> Ok.
> 
> Thanks.
> 
> Adrian
> 

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Frankenstrasse 146, 90461 Nuernberg, Germany
GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman
HRB 36809 (AG Nuernberg)

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