[Bug 93998] Linux 4.5-rc2 ATI Radeon 3000 Graphics not rendering correctly

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radeon_drm.h: missing TILE_MODE...

[Bug 94091] Tonga unreal elemental...

bugzilla-daemon＠freedesktop.org

4 Feb 2016 4 Feb '16

9:57 a.m.

https://bugs.freedesktop.org/show_bug.cgi?id=93998

Bug ID: 93998 Summary: Linux 4.5-rc2 ATI Radeon 3000 Graphics not rendering correctly Product: DRI Version: unspecified Hardware: x86 (IA32) OS: Linux (All) Status: NEW Severity: normal Priority: medium Component: DRM/Radeon Assignee: dri-devel@lists.freedesktop.org Reporter: smf.linux@ntlworld.com

On testing linux 4.5-rc( 1 and 2) I have found that my display is not rendered correctly on starting the X server. My screen is mainly black with portions of the desktop appearing from time to time. I have tried the kernel on two different machine with different Radeon cards and the result is the same. The system is a recent LFS build and I use fvwm as my window manager. I will forward xorg.conf and Xorg.0.log files from my testing.

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bugzilla-daemon＠freedesktop.org

4 Feb 4 Feb

9:58 a.m.

https://bugs.freedesktop.org/show_bug.cgi?id=93998

--- Comment #1 from SMF smf.linux@ntlworld.com --- Created attachment 121510 --> https://bugs.freedesktop.org/attachment.cgi?id=121510&action=edit Xorg.0.log

XServer log file.

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bugzilla-daemon＠freedesktop.org

9:59 a.m.

https://bugs.freedesktop.org/show_bug.cgi?id=93998

--- Comment #2 from SMF smf.linux@ntlworld.com --- Created attachment 121511 --> https://bugs.freedesktop.org/attachment.cgi?id=121511&action=edit xorg.conf

My xorg.conf file from /etc/X11

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bugzilla-daemon＠freedesktop.org

2:23 p.m.

https://bugs.freedesktop.org/show_bug.cgi?id=93998

--- Comment #3 from Alex Deucher alexdeucher@gmail.com --- If this is a regression, can you bisect? Please also attach your dmesg output.

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bugzilla-daemon＠freedesktop.org

5:33 p.m.

https://bugs.freedesktop.org/show_bug.cgi?id=93998

--- Comment #4 from SMF smf.linux@ntlworld.com --- Created attachment 121526 --> https://bugs.freedesktop.org/attachment.cgi?id=121526&action=edit dmesg output

dmesg output as requested, I will bisect as suggested. Thanks

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bugzilla-daemon＠freedesktop.org

5:35 p.m.

https://bugs.freedesktop.org/show_bug.cgi?id=93998

--- Comment #5 from Alex Deucher alexdeucher@gmail.com --- Looks like you forced dpm on. Had you been using that previously?

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bugzilla-daemon＠freedesktop.org

7:53 p.m.

https://bugs.freedesktop.org/show_bug.cgi?id=93998

--- Comment #6 from SMF smf.linux@ntlworld.com --- (In reply to Alex Deucher from comment #5)

...

Looks like you forced dpm on. Had you been using that previously?

Yes I have been using this setting for some time, I cannot remember how long (some years ?) or why I set it in the first place.

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bugzilla-daemon＠freedesktop.org

8:35 p.m.

https://bugs.freedesktop.org/show_bug.cgi?id=93998

--- Comment #7 from SMF smf.linux@ntlworld.com --- (In reply to SMF from comment #6)

...

The other machine I have tested uses a Turks PRO [Radeon HD 6570/7570/8550] with the same boot settings and fails in the same way.

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bugzilla-daemon＠freedesktop.org

9:45 p.m.

https://bugs.freedesktop.org/show_bug.cgi?id=93998

--- Comment #8 from SMF smf.linux@ntlworld.com --- (In reply to SMF from comment #7)

...

Looking back over my bug history I found this activity:

https://bugzilla.kernel.org/show_bug.cgi?id=60857

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bugzilla-daemon＠freedesktop.org

11:59 p.m.

https://bugs.freedesktop.org/show_bug.cgi?id=93998

--- Comment #9 from SMF smf.linux@ntlworld.com --- Result of bisect:

01c8f1c44b83a0825b573e7c723b033cece37b86 is the first bad commit commit 01c8f1c44b83a0825b573e7c723b033cece37b86 Author: Dan Williams dan.j.williams@intel.com Date: Fri Jan 15 16:56:40 2016 -0800

mm, dax, gpu: convert vm_insert_mixed to pfn_t

Convert the raw unsigned long 'pfn' argument to pfn_t for the purpose of evaluating the PFN_MAP and PFN_DEV flags. When both are set it triggers _PAGE_DEVMAP to be set in the resulting pte.

There are no functional changes to the gpu drivers as a result of this conversion.

Signed-off-by: Dan Williams dan.j.williams@intel.com Cc: Dave Hansen dave@sr71.net Cc: David Airlie airlied@linux.ie Signed-off-by: Andrew Morton akpm@linux-foundation.org Signed-off-by: Linus Torvalds torvalds@linux-foundation.org

:040000 040000 dc71b6dc188dea4b6ce95f5fd1e4e73cc3663cbe 8a745459a14cd2a6f4e1c71fda3e54333d023f43 M arch :040000 040000 9e8103b65698f677e17becdac53914ca029a6197 f656e15bffef4ea8c848176a79eb50a071ec323e M drivers :040000 040000 3ffc222d7e0f1067772798d08777aeb54136026e e2b423f85aaaf0cb25d48d1e15771fc5bddf7981 M fs :040000 040000 392d2dea8185ba8f0d1c101782831ceed9aa9812 9e3001b04052daa1b3204b6f2a6e26138a4ed7dd M include :040000 040000 f81d8cfe3052b7259b75a58656a65efdaad40284 969d0ff262020f27a695172ce89ae5f6088e8d44 M mm

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bugzilla-daemon＠freedesktop.org

5 Feb 5 Feb

2:10 a.m.

https://bugs.freedesktop.org/show_bug.cgi?id=93998

--- Comment #10 from Michel Dänzer michel@daenzer.net --- (In reply to SMF from comment #9)

...

[...]

...

There are no functional changes to the gpu drivers as a result of this
conversion.

Famous last words. :) Please report this to Dan Williams.

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bugzilla-daemon＠freedesktop.org

2:23 a.m.

https://bugs.freedesktop.org/show_bug.cgi?id=93998

--- Comment #11 from Alex Deucher alexdeucher@gmail.com --- relevant threads: http://lists.freedesktop.org/archives/dri-devel/2016-January/099471.html http://lists.freedesktop.org/archives/dri-devel/2016-January/099511.html

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bugzilla-daemon＠freedesktop.org

2:29 a.m.

https://bugs.freedesktop.org/show_bug.cgi?id=93998

Michel Dänzer michel@daenzer.net changed:

--- Comment #12 from Michel Dänzer michel@daenzer.net --- Thanks Alex. Resolving as not a driver bug.

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bugzilla-daemon＠freedesktop.org

8:29 a.m.

https://bugs.freedesktop.org/show_bug.cgi?id=93998

--- Comment #13 from SMF smf.linux@ntlworld.com --- Tested the patch given here with linux-4.5-rc2 and it did NOT fix the problem for me:

http://lists.freedesktop.org/archives/dri-devel/2016-January/099511.html

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bugzilla-daemon＠freedesktop.org

8:36 a.m.

https://bugs.freedesktop.org/show_bug.cgi?id=93998

--- Comment #14 from Michel Dänzer michel@daenzer.net --- That's unfortunate, but doesn't change that it's probably not a driver bug and that you should get in touch with Dan Williams about it.

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