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Date:   Mon, 10 Jul 2023 19:19:03 +0200
From:   Sam Ravnborg <sam@ravnborg.org>
To:     Thomas Zimmermann <tzimmermann@suse.de>
Cc:     deller@gmx.de, javierm@redhat.com, linux-fbdev@vger.kernel.org,
        kvm@vger.kernel.org, linux-hyperv@vger.kernel.org,
        linux-sh@vger.kernel.org, linux-staging@lists.linux.dev,
        linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org,
        linux-geode@lists.infradead.org, dri-devel@lists.freedesktop.org,
        linux-input@vger.kernel.org, linux-nvidia@lists.surfsouth.com,
        linux-omap@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
        linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org
Subject: Re: [PATCH 00/17] fbdev: Remove FBINFO_DEFAULT and
 FBINFO_FLAG_DEFAULT flags
Message-ID: <20230710171903.GA14712@ravnborg.org>
References: <20230710130113.14563-1-tzimmermann@suse.de>
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Hi Thomas,

On Mon, Jul 10, 2023 at 02:50:04PM +0200, Thomas Zimmermann wrote:
> Remove the unused flags FBINFO_DEFAULT and FBINFO_FLAG_DEFAULT from
> fbdev and drivers, as briefly discussed at [1]. Both flags were maybe
> useful when fbdev had special handling for driver modules. With
> commit 376b3ff54c9a ("fbdev: Nuke FBINFO_MODULE"), they are both 0
> and have no further effect.
> 
> Patches 1 to 7 remove FBINFO_DEFAULT from drivers. Patches 2 to 5
> split this by the way the fb_info struct is being allocated. All flags
> are cleared to zero during the allocation.
> 
> Patches 8 to 16 do the same for FBINFO_FLAG_DEFAULT. Patch 8 fixes
> an actual bug in how arch/sh uses the tokne for struct fb_videomode,
> which is unrelated.
> 
> Patch 17 removes both flag constants from <linux/fb.h>

We have a few more flags that are unused - should they be nuked too?
FBINFO_HWACCEL_FILLRECT
FBINFO_HWACCEL_ROTATE
FBINFO_HWACCEL_XPAN

Unused as in no references from fbdev/core/*

I would rather see one series nuke all unused FBINFO flags in one go.
Assuming my quick grep are right and the above can be dropped.

	Sam