From: Sam Ravnborg <sam@ravnborg.org>
To: Javier Martinez Canillas <javierm@redhat.com>,
Thomas Zimmermann <tzimmermann@suse.de>,
linux-kernel@vger.kernel.org, "H . Peter Anvin" <hpa@zytor.com>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
x86@kernel.org, Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-fbdev@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
Maxime Ripard <mripard@kernel.org>,
Borislav Petkov <bp@alien8.de>,
Peter Robinson <pbrobinson@gmail.com>,
Hans de Goede <hdegoede@redhat.com>,
dri-devel@lists.freedesktop.org, Ingo Molnar <mingo@redhat.com>,
David Airlie <airlied@linux.ie>
Subject: Re: [RFC PATCH 0/4] Allow to use DRM fbdev emulation layer with CONFIG_FB disabled
Date: Wed, 1 Sep 2021 16:17:43 +0200 [thread overview]
Message-ID: <YS+Lhz9gg/0Caa+0@ravnborg.org> (raw)
In-Reply-To: <YS4iIR689bAZ4QT9@phenom.ffwll.local>
Hi Daniel,
>
> I think for a substantial improvement here in robustness what you really
> want is
> - kmscon in userspace
> - disable FB layer
> - ideally also disable console/vt layer in the kernel
> - have a minimal emergency/boot-up log thing in drm, patches for that
> floated around a few times
I assume you refer to this work by David Herrmann:
"[RFC] drm: add kernel-log renderer"
https://lists.freedesktop.org/archives/dri-devel/2014-March/055136.html
Very interesting. Does anyone knows why this never
hit mainline?
Sam - who is looking forward to winter with more time for
hacking again
next prev parent reply other threads:[~2021-09-01 14:17 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-27 10:00 [RFC PATCH 0/4] Allow to use DRM fbdev emulation layer with CONFIG_FB disabled Javier Martinez Canillas
2021-08-27 10:00 ` [RFC PATCH 1/4] fbdev: Rename fb_*_device() functions names to match what they do Javier Martinez Canillas
2021-08-27 17:50 ` [RFC PATCH 0/4] Allow to use DRM fbdev emulation layer with CONFIG_FB disabled Thomas Zimmermann
2021-08-27 20:20 ` Daniel Vetter
2021-08-27 22:02 ` Javier Martinez Canillas
2021-08-31 12:35 ` Daniel Vetter
2021-09-01 9:08 ` Javier Martinez Canillas
2021-09-02 14:31 ` Daniel Vetter
2021-09-01 14:17 ` Sam Ravnborg [this message]
2021-09-09 15:52 ` Noralf Trønnes
2021-09-09 16:27 ` Noralf Trønnes
2021-09-10 16:05 ` Sam Ravnborg
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