From: "Ard Biesheuvel" <ardb@kernel.org>
To: "Thomas Zimmermann" <tzimmermann@suse.de>,
"Javier Martinez Canillas" <javierm@redhat.com>,
"Ilias Apalodimas" <ilias.apalodimas@linaro.org>,
"Jani Nikula" <jani.nikula@linux.intel.com>,
maarten.lankhorst@linux.intel.com, mripard@kernel.org,
"Simona Vetter" <simona@ffwll.ch>,
"David Airlie" <airlied@gmail.com>
Cc: dri-devel@lists.freedesktop.org, linux-efi@vger.kernel.org,
sashiko-reviews@lists.linux.dev
Subject: Re: [PATCH 0/3] sysfb: Fix display output on Lenovo D330 (and others)
Date: Thu, 27 Aug 2026 18:56:05 +0200 [thread overview]
Message-ID: <6b778c42-577b-4df1-a364-d4123f45080a@app.fastmail.com> (raw)
In-Reply-To: <20260827140726.420734-1-tzimmermann@suse.de>
Hello Thomas,
On Thu, 27 Aug 2026, at 16:01, Thomas Zimmermann wrote:
> The kernel mis-interprets the display geometry given by the Lenovo
> D330 as incorrect. The values are correct, but the display output
> is rotated by 90°. With the kernel's firmware quirk applied the output
> is garbled.
>
> Remove the firmware quirk for the Lenovo D330 and let DRM's sysfb
> drivers set the correct panel orientation instead. To make this work
> for any display mode, use the panel size for looking up the correct
> orientation.
>
> Tested on a Lenovo D330-10IGM IdeaPad.
>
> Thomas Zimmermann (3):
> drm/edid: Add drm_edid_get_preferred_size()
> drm/sysfb: Use preferred panel size for panel orientation quirks
> firmware/sysfb: Remove rotation quirk for Lenovo D330
>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
next prev parent reply other threads:[~2026-08-27 16:56 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-27 14:01 [PATCH 0/3] sysfb: Fix display output on Lenovo D330 (and others) Thomas Zimmermann
2026-08-27 14:01 ` [PATCH 1/3] drm/edid: Add drm_edid_get_preferred_size() Thomas Zimmermann
2026-08-27 14:01 ` [PATCH 2/3] drm/sysfb: Use preferred panel size for panel orientation quirks Thomas Zimmermann
2026-08-27 14:01 ` [PATCH 3/3] firmware/sysfb: Remove rotation quirk for Lenovo D330 Thomas Zimmermann
2026-08-27 16:56 ` Ard Biesheuvel [this message]
2026-08-31 10:34 ` [PATCH 0/3] sysfb: Fix display output on Lenovo D330 (and others) Thomas Zimmermann
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