From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 199567] New: [amdgpu] just a black screen irrespective of amdgpu.dc=1 or 0 at boot on kernels 4.17-rc2 and onwards
Date: Sun, 29 Apr 2018 18:56:58 +0000 [thread overview]
Message-ID: <bug-199567-2300@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=199567
Bug ID: 199567
Summary: [amdgpu] just a black screen irrespective of
amdgpu.dc=1 or 0 at boot on kernels 4.17-rc2 and
onwards
Product: Drivers
Version: 2.5
Kernel Version: 4.17-rc2
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
Assignee: drivers_video-dri@kernel-bugs.osdl.org
Reporter: untaintableangel@hotmail.co.uk
Regression: No
Hardware: AMD RX480 (XFX black edition
Currently using amdgpu and testing how awesome dc code is coming along on a
custom kernel.
Shortly after the patches went through the other week that stopped the recent
flickering, everything was (and still is) fine on kernel 4.17-rc1.
Patches prior to rc2 (and onwards, including latest build and rc3 when tagged
which are still broken for me) cause an unresponsive black screen on loading
the kernel. Have to manually restart into another kernel.
As far as I can tell, there were 3 patches to this area before rc2 was tagged
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=221bda4b5f1abfd74159d7bf3703affa62468030
but I tried reverting the one intended to fix 'black screens' without success.
However, just after rc1 was tagged, there's a big chunk of patches
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8089f9f5a32938ddefb1767b8ee14bb7996e5e2f
so it might have been something in that? If so, the problem still exists in
what will become rc3 at the time of writing.
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next reply other threads:[~2018-04-29 18:57 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-29 18:56 bugzilla-daemon [this message]
2018-04-29 20:06 ` [Bug 199567] [amdgpu] just a black screen irrespective of amdgpu.dc=1 or 0 at boot on kernels 4.17-rc2 and onwards bugzilla-daemon
2018-04-30 9:03 ` bugzilla-daemon
2018-05-17 1:26 ` bugzilla-daemon
2018-05-20 23:36 ` bugzilla-daemon
2018-05-20 23:37 ` [Bug 199567] black screen irrespective of amdgpu.dc=1 or 0 at boot on kernels 4.17-rc2 and onwards caused by low entropy bugzilla-daemon
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