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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Thomas Zimmermann <tzimmermann@suse.de>,
	Javier Martinez Canillas <javierm@redhat.com>,
	airlied@linux.ie, daniel@ffwll.ch, deller@gmx.de,
	maxime@cerno.tech, sam@ravnborg.org, msuchanek@suse.de,
	mpe@ellerman.id.au, paulus@samba.org
Cc: dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 2/2] drm/tiny: Add ofdrm for Open Firmware framebuffers
Date: Wed, 25 May 2022 13:15:31 +1000	[thread overview]
Message-ID: <ede15a37b9e854a50c9d67b890bdebb25642a003.camel@kernel.crashing.org> (raw)
In-Reply-To: <8cd53439-46f1-117c-7aae-7630a6466ab8@suse.de>

On Sun, 2022-05-22 at 21:35 +0200, Thomas Zimmermann wrote:
> > Interesting. Did you find some formats that were not supported ?
> 
> We still don't support XRGB1555. If the native buffer uses this format, 
> we'd have no conversion helper. In this case, we rely on userspace/fbcon 
> to use the native format exclusively.  (BTW, I asked one of my coworkers 
> to implement XRGB1555 to make her familiar with DRM. That's why I 
> haven't sent a patch yet.)
> 

Various old macs do 1555 ...

Cheers,
Ben.


      reply	other threads:[~2022-05-25  3:24 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-18 18:30 [PATCH 0/2] drm: Add driverof PowerPC OF displays Thomas Zimmermann
2022-05-18 18:30 ` [PATCH 1/2] MAINTAINERS: Broaden scope of simpledrm entry Thomas Zimmermann
2022-05-20  5:18   ` Javier Martinez Canillas
2022-05-18 18:30 ` [PATCH 2/2] drm/tiny: Add ofdrm for Open Firmware framebuffers Thomas Zimmermann
2022-05-18 18:51   ` Michal Suchánek
2022-05-19  7:11     ` Geert Uytterhoeven
2022-05-19  7:27       ` Thomas Zimmermann
2022-05-21  2:49         ` Benjamin Herrenschmidt
2022-05-25 16:45           ` Thomas Zimmermann
2022-05-27  0:17             ` Benjamin Herrenschmidt
2022-05-27  0:19             ` Benjamin Herrenschmidt
2022-05-21  1:35       ` Benjamin Herrenschmidt
2022-05-18 21:11   ` Mark Cave-Ayland
2022-05-19  6:34     ` Michal Suchánek
2022-05-19  7:39     ` Thomas Zimmermann
2022-05-20  6:19   ` Javier Martinez Canillas
2022-05-22 19:35     ` Thomas Zimmermann
2022-05-25  3:15       ` Benjamin Herrenschmidt [this message]

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