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From: Alexey Gladkov <gladkov.alexey@gmail.com>
To: make-initrd@lists.altlinux.org
Subject: Re: [make-initrd] [PATCH 1/2] plymouth: fix plymouth showing when drm is not ready yet
Date: Tue, 23 Apr 2024 13:53:39 +0200
Message-ID: <ZiehQ3VxExqhAP0d@example.org> (raw)
In-Reply-To: <acf96dd9-3915-41a9-b3d6-a6d82829ecb7@basealt.ru>

On Tue, Apr 23, 2024 at 06:35:06PM +0700, Антон Мидюков wrote:
> 23.04.2024 18:20, Alexey Gladkov пишет:
> > On Tue, Apr 23, 2024 at 12:51:37PM +0700, antohami@basealt.ru wrote:
> >> From: Anton Midyukov <antohami@altlinux.org>
> >>
> >> Fix waiting for a real video card when simpledrm is available.
> >> card0 will disappear when the DRM module of the real video card is
> >> loaded. Because of this, by the time Plymouth was shown, simpledrm
> >> was no longer there, and there was no real video card yet.
> >>
> >> Instead of waiting for devices to appear, is proposed to launch
> >> triggers for subsystems, as is uses in dracut.
> >>
> >> Signed-off-by: Anton Midyukov <antohami@altlinux.org>
> >> ---
> >>  features/plymouth/data/etc/rc.d/init.d/plymouth | 13 +++++++++++--
> >>  1 file changed, 11 insertions(+), 2 deletions(-)
> >>
> >> diff --git a/features/plymouth/data/etc/rc.d/init.d/plymouth b/features/plymouth/data/etc/rc.d/init.d/plymouth
> >> index 20d64011..27d91876 100755
> >> --- a/features/plymouth/data/etc/rc.d/init.d/plymouth
> >> +++ b/features/plymouth/data/etc/rc.d/init.d/plymouth
> >> @@ -19,8 +19,17 @@ start() {
> >>  	[ -z "${NOSPLASH-}" ] && [ -z "${RDSHELL-}" ] ||
> >>  		return 0
> >>  
> >> -	udevadm settle --timeout=30 --exit-if-exists=/sys/class/drm/card0/dev
> >> -	udevadm settle --timeout=30 --exit-if-exists=/sys/class/graphics/fb0/dev
> >> +	# first trigger graphics subsystem
> >> +	udevadm trigger --action=add --attr-match=class=0x030000 > /dev/null 2>&1
> >> +	# first trigger graphics and tty subsystem
> >> +	udevadm trigger --action=add \
> >> +		--subsystem-match=graphics \
> >> +		--subsystem-match=drm \
> >> +		--subsystem-match=tty \
> >> +		--subsystem-match=acpi \
> >> +		> /dev/null 2>&1
> >> +
> >> +	udevadm settle --timeout=60 2>&1
> >>  
> >>  	local pidfile=/run/plymouth/pid
> > 
> > Хоть подход не нравится, но я смирился, что фича plymouth это чёрная дыра.
> > 
> > У меня другой вопрос раз мы смотрим на dracut.
> > 
> > Не стоит ли также скопировать у них код по вычислению tty вместо
> > хардкода  --tty=/dev/tty1 ?
> > 
> > https://github.com/dracutdevs/dracut/blob/master/modules.d/50plymouth/plymouth-pretrigger.sh#L19-L21
> > 
> 
> Не знаю. Что это нам даст?

Отсутствие хардкода. Но раз ты не знаешь, то вопрос снимается.

-- 
Rgrds, legion



  reply	other threads:[~2024-04-23 11:53 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-23  5:51 [make-initrd] [PATCH 0/2] Fix show plymouth antohami
2024-04-23  5:51 ` [make-initrd] [PATCH 1/2] plymouth: fix plymouth showing when drm is not ready yet antohami
2024-04-23 11:20   ` Alexey Gladkov
2024-04-23 11:35     ` Антон Мидюков
2024-04-23 11:53       ` Alexey Gladkov [this message]
2024-04-26  7:20         ` Антон Мидюков
2024-04-27 14:07           ` Alexey Gladkov
2024-05-15 15:06             ` Антон Мидюков
2024-05-15 16:50               ` Alexey Gladkov
2024-04-23  5:51 ` [make-initrd] [PATCH 2/2] udev: do not show the error that it is impossible to set the log level antohami

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