[Bug 107072] 4k hdmi monitor stays black on kaveri [regression]

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bugzilla-daemon＠freedesktop.org

29 Jun 2018 29 Jun '18

7:49 p.m.

https://bugs.freedesktop.org/show_bug.cgi?id=107072

Bug ID: 107072 Summary: 4k hdmi monitor stays black on kaveri [regression] Product: DRI Version: DRI git Hardware: Other OS: All Status: NEW Severity: normal Priority: medium Component: DRM/AMDgpu Assignee: dri-devel@lists.freedesktop.org Reporter: linuxhippy@gmail.com

After updating Fedora 28 on my Kaveri System (A8-7650K) with AMDGPU enabled from 4.16.16 to 4.17.2 my 4K HDI display stays black (the FHD display connected via HDMI continues to work as expected).

Please let me know what kind of information is required find the root cause.

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bugzilla-daemon＠freedesktop.org

29 Jun 29 Jun

7:50 p.m.

https://bugs.freedesktop.org/show_bug.cgi?id=107072

--- Comment #1 from Clemens Eisserer linuxhippy@gmail.com --- correction: the FHD monitor is not connected via HDMI, but DVI

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bugzilla-daemon＠freedesktop.org

7:55 p.m.

https://bugs.freedesktop.org/show_bug.cgi?id=107072

--- Comment #2 from Clemens Eisserer linuxhippy@gmail.com --- please find attached the dmesg output including some stack-traces.

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bugzilla-daemon＠freedesktop.org

7:55 p.m.

https://bugs.freedesktop.org/show_bug.cgi?id=107072

--- Comment #3 from Clemens Eisserer linuxhippy@gmail.com --- Created attachment 140392 --> https://bugs.freedesktop.org/attachment.cgi?id=140392&action=edit dmesg-log + strack traces

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bugzilla-daemon＠freedesktop.org

7:57 p.m.

https://bugs.freedesktop.org/show_bug.cgi?id=107072

--- Comment #4 from Clemens Eisserer linuxhippy@gmail.com --- I am using amdgpu after a rather severe performance regression was introduced with commit8b3a257851905ff444d981e52938cbf2b36ba830 which hits glamor for certain workloads pretty hard.

AMDGPU didn't suffer that much from this change: https://bugs.freedesktop.org/show_bug.cgi?id=105171

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bugzilla-daemon＠freedesktop.org

8:15 p.m.

https://bugs.freedesktop.org/show_bug.cgi?id=107072

--- Comment #5 from Alex Deucher alexdeucher@gmail.com --- What mode are you trying to run on your monitor? Can you attach your xorg log if you are using X? Might be related to bug 106959.

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bugzilla-daemon＠freedesktop.org

2 Jul 2 Jul

8:06 a.m.

https://bugs.freedesktop.org/show_bug.cgi?id=107072

Michel Dänzer michel@daenzer.net changed:

What |Removed |Added ---------------------------------------------------------------------------- CC| |harry.wentland@amd.com

--- Comment #6 from Michel Dänzer michel@daenzer.net --- Does amdgpu.dc=0 avoid the problem? DC will be disabled by default again for Kaveri.

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bugzilla-daemon＠freedesktop.org

5 Jul 5 Jul

1:07 p.m.

https://bugs.freedesktop.org/show_bug.cgi?id=107072

--- Comment #7 from Clemens Eisserer linuxhippy@gmail.com --- Created attachment 140472 --> https://bugs.freedesktop.org/attachment.cgi?id=140472&action=edit xorg log file with 4.17.3

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bugzilla-daemon＠freedesktop.org

1:10 p.m.

https://bugs.freedesktop.org/show_bug.cgi?id=107072

--- Comment #8 from Clemens Eisserer linuxhippy@gmail.com --- amdgpu.dc=0 did the trick - behaviour is back to normal.

I guzess it is not related to bug 106959. - kaveri doesn't support HDMI2, so my refresh rate was 30Hz even with the old display stack.

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bugzilla-daemon＠freedesktop.org

14 Aug 14 Aug

7:24 p.m.

https://bugs.freedesktop.org/show_bug.cgi?id=107072

Pontus Gråskæg graaskaeg.via.forwarder@neverbox.com changed:

--- Comment #9 from Pontus Gråskæg graaskaeg.via.forwarder@neverbox.com --- Looking at your dmesg output, it looks like you might have hit this bug/issue: bug 105880

"[dc] No support for LVDS or VGA connectors (Cannot find any crtc or sizes)"

AMD/Harry Wentland/Alex Deucher have commits in the mainline kernel to disable the DC code by default for Bonaire, Kabini, Kaveri, and Mullins as certain hardware interfaces are not supported in the DC code. Your cpu (from dmesg) is an AMD A8-7650K Radeon R7, codename Kaveri.

The clue in dmesg output is the following errors:

[ 14.186318] [drm:construct [amdgpu]] *ERROR* construct: Invalid Connector ObjectID from Adapter Service for connector index:1! type 0 expected 3 [ 14.186458] [drm:construct [amdgpu]] *ERROR* construct: Invalid Connector ObjectID from Adapter Service for connector index:3! type 0 expected 3 [ 14.186592] [drm:construct [amdgpu]] *ERROR* construct: Invalid Connector ObjectID from Adapter Service for connector index:4! type 0 expected 3 [ 14.186725] [drm:construct [amdgpu]] *ERROR* construct: Invalid Connector ObjectID from Adapter Service for connector index:5! type 0 expected 3

You might try forcing amdgpu.dc=0 in the kernel command line to ensure you use the old driver code.

graaskaeg

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bugzilla-daemon＠freedesktop.org

15 Aug 15 Aug

6:03 p.m.

https://bugs.freedesktop.org/show_bug.cgi?id=107072

--- Comment #10 from Alex Deucher alexdeucher@gmail.com --- (In reply to Pontus Gråskæg from comment #9)

...

Looking at your dmesg output, it looks like you might have hit this bug/issue: bug 105880

"[dc] No support for LVDS or VGA connectors (Cannot find any crtc or sizes)"

AMD/Harry Wentland/Alex Deucher have commits in the mainline kernel to disable the DC code by default for Bonaire, Kabini, Kaveri, and Mullins as certain hardware interfaces are not supported in the DC code. Your cpu (from dmesg) is an AMD A8-7650K Radeon R7, codename Kaveri.

Unless you are using VGA or LVDS connectors this is a different issues. That does not seem to be the case here (HDMI and DVI are supported in the DC code).

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bugzilla-daemon＠freedesktop.org

6:07 p.m.

https://bugs.freedesktop.org/show_bug.cgi?id=107072

--- Comment #11 from Alex Deucher alexdeucher@gmail.com --- This is likely a duplicate of bug 106940.

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bugzilla-daemon＠freedesktop.org

6:08 p.m.

https://bugs.freedesktop.org/show_bug.cgi?id=107072

--- Comment #12 from Alex Deucher alexdeucher@gmail.com --- Does reverting f0c0761b38ac30b04d4fed436ff10e894ec0e525 help?

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bugzilla-daemon＠freedesktop.org

6:11 p.m.

https://bugs.freedesktop.org/show_bug.cgi?id=107072

--- Comment #13 from Pontus Gråskæg graaskaeg.via.forwarder@neverbox.com --- OK, I was misled by the errors in the dmesg log:

Apologies for the misconception.

graaskaeg

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bugzilla-daemon＠freedesktop.org

6:22 p.m.

https://bugs.freedesktop.org/show_bug.cgi?id=107072

Alex Deucher alexdeucher@gmail.com changed:

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bugzilla-daemon＠freedesktop.org

19 Nov 19 Nov

8:42 a.m.

https://bugs.freedesktop.org/show_bug.cgi?id=107072

Martin Peres martin.peres@free.fr changed:

--- Comment #14 from Martin Peres martin.peres@free.fr --- -- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been closed from further activity.

You can subscribe and participate further through the new bug through this link to our GitLab instance: https://gitlab.freedesktop.org/drm/amd/issues/436.

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bugzilla-daemon＠freedesktop.org