linux-kernel - Re: [PATCH RFC v2 1/3] drm: client: add splash client

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Message-ID: <12c72476-a4e8-4b00-80ae-b8eed0b6f7a7@kernel.org>
Date: Tue, 6 Jan 2026 20:40:46 -0600
From: "Mario Limonciello (AMD) (kernel.org)" <superm1@...nel.org>
To: Francesco Valla <francesco@...la.it>
Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 Jonathan Corbet <corbet@....net>, Jocelyn Falempe <jfalempe@...hat.com>,
 Javier Martinez Canillas <javierm@...hat.com>,
 Sam Ravnborg <sam@...nborg.org>, linux-kernel@...r.kernel.org,
 dri-devel@...ts.freedesktop.org, linux-doc@...r.kernel.org,
 linux-embedded@...r.kernel.org
Subject: Re: [PATCH RFC v2 1/3] drm: client: add splash client

>> Yes, that's the idea. I am still searching a EFI-enabled platform I can
>> perform some proper tests on, as I'm not really familiar with EFI.
>> This version was tested with OVMF on QEMU, but without a real userspace.
> 
> Almost any modern x86 platform except for a chromebook uses EFI.
> 
> I'll add them to my local dev tree and test too and see if I can get you 
> some feedback if I run into any problems.
> 
 From my side when testing I hit this during kernel build:

ERROR: modpost: "bgrt_tab" [drivers/gpu/drm/clients/drm_client_lib.ko] 
undefined!
ERROR: modpost: "bgrt_image_size" 
[drivers/gpu/drm/clients/drm_client_lib.ko] undefined!