linux-kernel - Re: [PATCH 10/17] hid/picolcd: Remove flag FBINFO_FLAG

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Date:   Mon, 10 Jul 2023 15:05:19 +0200
From:   Benjamin Tissoires <benjamin.tissoires@...hat.com>
To:     Thomas Zimmermann <tzimmermann@...e.de>
Cc:     deller@....de, javierm@...hat.com, 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,
        Bruno Prémont <bonbons@...ux-vserver.org>,
        Jiri Kosina <jikos@...nel.org>
Subject: Re: [PATCH 10/17] hid/picolcd: Remove flag FBINFO_FLAG_DEFAULT from
 fbdev driver

On Mon, Jul 10, 2023 at 3:01 PM Thomas Zimmermann <tzimmermann@...e.de> wrote:
>
> The flag FBINFO_FLAG_DEFAULT is 0 and has no effect, as struct
> fbinfo.flags has been allocated to zero by framebuffer_alloc(). So do
> not set it.
>
> Flags should signal differences from the default values. After cleaning
> up all occurences of FBINFO_FLAG_DEFAULT, the token can be removed.
>
> Signed-off-by: Thomas Zimmermann <tzimmermann@...e.de>
> Cc: "Bruno Prémont" <bonbons@...ux-vserver.org>
> Cc: Jiri Kosina <jikos@...nel.org>
> Cc: Benjamin Tissoires <benjamin.tissoires@...hat.com>

Acked-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>

Feel free to take this through the DRI tree (or any other that handles
FB) with the rest of the series if you want.

Cheers,
Benjamin

> ---
>  drivers/hid/hid-picolcd_fb.c | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/drivers/hid/hid-picolcd_fb.c b/drivers/hid/hid-picolcd_fb.c
> index dabcd054dad9..d726aaafb146 100644
> --- a/drivers/hid/hid-picolcd_fb.c
> +++ b/drivers/hid/hid-picolcd_fb.c
> @@ -527,7 +527,6 @@ int picolcd_init_framebuffer(struct picolcd_data *data)
>         info->var = picolcdfb_var;
>         info->fix = picolcdfb_fix;
>         info->fix.smem_len   = PICOLCDFB_SIZE*8;
> -       info->flags = FBINFO_FLAG_DEFAULT;
>
>         fbdata = info->par;
>         spin_lock_init(&fbdata->lock);
> --
> 2.41.0
>