linux-kernel - Re: [PATCH v2 0/4] drm/tiny: Add driver for Solomon SSD1307 OLED displays

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Message-ID: <YgPF1cBMsd9973Dx@smile.fi.intel.com>
Date:   Wed, 9 Feb 2022 15:47:01 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Javier Martinez Canillas <javierm@...hat.com>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux Fbdev development list <linux-fbdev@...r.kernel.org>,
        Linux PWM List <linux-pwm@...r.kernel.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Mark Brown <broonie@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Noralf Trønnes <noralf@...nnes.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Maxime Ripard <maxime@...no.tech>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, Lee Jones <lee.jones@...aro.org>,
        Sam Ravnborg <sam@...nborg.org>
Subject: Re: [PATCH v2 0/4] drm/tiny: Add driver for Solomon SSD1307 OLED
 displays

On Tue, Feb 08, 2022 at 04:10:49PM +0100, Javier Martinez Canillas wrote:
> On 2/8/22 15:19, Geert Uytterhoeven wrote:
> > On Fri, Feb 4, 2022 at 2:43 PM Javier Martinez Canillas
> > <javierm@...hat.com> wrote:

> >   - Kernel size increased by 349 KiB,
> >   - The "Memory:" line reports 412 KiB less memory,
> >   - On top of that, "free" shows ca. 92 KiB more memory in use after
> >     bootup.

The memory consumption should really be taken seriously, because these kind of
displays are for embedded platforms with limited amount of resources.

Thanks, Geert, for testing and reporting this issue in particular.

-- 
With Best Regards,
Andy Shevchenko