From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 208573] Black screen on boot if two displays plugged in with NAVI 10
Date: Mon, 10 Aug 2020 15:55:25 +0000 [thread overview]
Message-ID: <bug-208573-2300-k66VNzJj8k@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-208573-2300@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=208573
--- Comment #9 from Thomas Langkamp (thomas.langkamp@medicalschool-hamburg.de) ---
Yes. With the new BIOS this is reproducible only with XMP enabled.
In the other bugreport I read about
amdgpu.ppfeaturemask=0xffffbffd
I just tried it. Until now this seems to fix it, even with XMP profile
enabled! I will report back if I get a black screen again.
As far as I know with 2 monitors attached the VRAM is always clocked
high, so it makes sense that disabling the VRAM power management through
this featuremask works around the issue. But surely a proper fix would
be appreciated.
Am 10.08.20 um 16:33 schrieb bugzilla-daemon@bugzilla.kernel.org:
> https://bugzilla.kernel.org/show_bug.cgi?id=208573
>
> --- Comment #8 from Alex Deucher (alexdeucher@gmail.com) ---
> Do you only get the MCE errors when you set the XMP profile?
>
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next prev parent reply other threads:[~2020-08-10 15:55 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-15 18:36 [Bug 208573] New: Black screen on boot if two displays plugged in with NAVI 10 bugzilla-daemon
2020-07-15 18:50 ` [Bug 208573] " bugzilla-daemon
2020-07-15 19:01 ` bugzilla-daemon
2020-07-15 19:01 ` bugzilla-daemon
2020-07-16 17:07 ` bugzilla-daemon
2020-08-10 11:46 ` bugzilla-daemon
2020-08-10 11:47 ` bugzilla-daemon
2020-08-10 12:06 ` bugzilla-daemon
2020-08-10 12:10 ` bugzilla-daemon
2020-08-10 14:33 ` bugzilla-daemon
2020-08-10 15:55 ` bugzilla-daemon [this message]
2020-08-10 20:38 ` bugzilla-daemon
2020-08-10 21:14 ` bugzilla-daemon
2020-09-03 6:06 ` bugzilla-daemon
2021-05-23 2:34 ` bugzilla-daemon
2021-05-24 18:03 ` bugzilla-daemon
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