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

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Message-ID: <8vOr78Nu7IEcITxWHXWTru7vu_VE9g-5v_8eotyLeJjbI-czksMS57WV2knv6sd3cMMaJSYrnPAOfnHQkj7iK-R_YYHfOvJjCCkE48dW_qQ=@emersion.fr>
Date:   Tue, 01 Feb 2022 09:27:09 +0000
From:   Simon Ser <contact@...rsion.fr>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Javier Martinez Canillas <javierm@...hat.com>,
        Linux PWM List <linux-pwm@...r.kernel.org>,
        Linux Fbdev development list <linux-fbdev@...r.kernel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        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>,
        Noralf Trønnes <noralf@...nnes.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Maxime Ripard <maxime@...no.tech>,
        Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Lee Jones <lee.jones@...aro.org>
Subject: Re: [PATCH 0/4] drm/tiny: Add driver for Solomon SSD1307 OLED displays

On Tuesday, February 1st, 2022 at 09:43, Geert Uytterhoeven <geert@...ux-m68k.org> wrote:

> Does there exist another simple test program for showing something
> using the DRM API?

If you're fine with going low-level, there's tentative [1] which can apply an
arbitrary KMS state. See for instance [2] for basic mode-setting.

[1]: https://git.sr.ht/~emersion/tentative
[2]: https://git.sr.ht/~emersion/tentative/tree/master/item/examples/modeset