From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 95306] Random Blank(black) screens on "Carrizo"
Date: Fri, 07 Oct 2016 01:19:44 +0000 [thread overview]
Message-ID: <bug-95306-502-BzpRgUmgxE@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-95306-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=95306
--- Comment #18 from Kelly Anderson <kelly@xilka.com> ---
This bug did not affect 4.6.x and earlier, it started with:
commit 70eced9b2e05f38274ebe8ad91c472bb684fa82a
That commit enables new features on the Carrizo,
- adev->cg_flags = 0;
+ adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
+ AMD_CG_SUPPORT_GFX_MGLS |
+ AMD_CG_SUPPORT_GFX_RLC_LS |
+ AMD_CG_SUPPORT_GFX_CP_LS |
+ AMD_CG_SUPPORT_GFX_CGTS |
+ AMD_CG_SUPPORT_GFX_MGLS |
+ AMD_CG_SUPPORT_GFX_CGTS_LS |
+ AMD_CG_SUPPORT_GFX_CGCG |
+ AMD_CG_SUPPORT_GFX_CGLS;
So it should be relatively easy to isolate the problem by stepping through
those features one by one to isolate which of those flags is triggering the
problem.
I'm available to test semi-official patches until the problem is properly
fixed. In the meantime I've reverted the patch on my 4.7.6 kernel and have run
for over two days without encountering the problem.
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Thread overview: 85+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-06 20:27 [Bug 95306] Random Blank(black) screens on "Carrizo" bugzilla-daemon
2016-05-06 20:32 ` bugzilla-daemon
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2016-08-05 17:34 ` bugzilla-daemon
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