* [Bug 34534] New: resolution 3840x1024 stopped to work on HD5850 after switch to 2.6.37 kernel
@ 2011-02-21 15:24 bugzilla-daemon
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From: bugzilla-daemon @ 2011-02-21 15:24 UTC (permalink / raw)
To: dri-devel
https://bugs.freedesktop.org/show_bug.cgi?id=34534
Summary: resolution 3840x1024 stopped to work on HD5850 after
switch to 2.6.37 kernel
Product: DRI
Version: unspecified
Platform: x86-64 (AMD64)
OS/Version: Linux (All)
Status: NEW
Severity: major
Priority: medium
Component: DRM/Radeon
AssignedTo: dri-devel@lists.freedesktop.org
ReportedBy: phercek@gmail.com
Created an attachment (id=43602)
--> (https://bugs.freedesktop.org/attachment.cgi?id=43602)
example how root-tail output gets corrupted
Resolution 3840x1024 stopped to work when I switched from 2.6.36.3 to 2.6.37.
The image looks like it is stretched by about 50% and it is corrupted.
I did bisect it and the the commit when it appeared the first time is:
f9d9c36204243d81e9d4dd28e58ee335257847d2
title: drm/radeon/kms: implement display watermark support for evergreen
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* [Bug 34534] resolution 3840x1024 stopped to work on HD5850 after switch to 2.6.37 kernel
2011-02-21 15:24 [Bug 34534] New: resolution 3840x1024 stopped to work on HD5850 after switch to 2.6.37 kernel bugzilla-daemon
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To: dri-devel
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--- Comment #1 from Peter Hercek <phercek@gmail.com> 2011-02-21 07:25:49 PST ---
Created an attachment (id=43603)
--> (https://bugs.freedesktop.org/attachment.cgi?id=43603)
dmesg from 2.6.37
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* [Bug 34534] resolution 3840x1024 stopped to work on HD5850 after switch to 2.6.37 kernel
2011-02-21 15:24 [Bug 34534] New: resolution 3840x1024 stopped to work on HD5850 after switch to 2.6.37 kernel bugzilla-daemon
2011-02-21 15:25 ` [Bug 34534] " bugzilla-daemon
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From: bugzilla-daemon @ 2011-02-21 15:26 UTC (permalink / raw)
To: dri-devel
https://bugs.freedesktop.org/show_bug.cgi?id=34534
--- Comment #2 from Peter Hercek <phercek@gmail.com> 2011-02-21 07:26:23 PST ---
Created an attachment (id=43604)
--> (https://bugs.freedesktop.org/attachment.cgi?id=43604)
xorg.log from 2.6.37
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* [Bug 34534] resolution 3840x1024 stopped to work on HD5850 after switch to 2.6.37 kernel
2011-02-21 15:24 [Bug 34534] New: resolution 3840x1024 stopped to work on HD5850 after switch to 2.6.37 kernel bugzilla-daemon
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From: bugzilla-daemon @ 2011-02-21 15:27 UTC (permalink / raw)
To: dri-devel
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--- Comment #3 from Peter Hercek <phercek@gmail.com> 2011-02-21 07:27:05 PST ---
Created an attachment (id=43605)
--> (https://bugs.freedesktop.org/attachment.cgi?id=43605)
dmesg from 2.6.36.3
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* [Bug 34534] resolution 3840x1024 stopped to work on HD5850 after switch to 2.6.37 kernel
2011-02-21 15:24 [Bug 34534] New: resolution 3840x1024 stopped to work on HD5850 after switch to 2.6.37 kernel bugzilla-daemon
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--- Comment #4 from Peter Hercek <phercek@gmail.com> 2011-02-21 07:27:55 PST ---
Created an attachment (id=43606)
--> (https://bugs.freedesktop.org/attachment.cgi?id=43606)
xorg.log from 2.6.36.3
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* [Bug 34534] resolution 3840x1024 stopped to work on HD5850 after switch to 2.6.37 kernel
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From: bugzilla-daemon @ 2011-03-16 16:50 UTC (permalink / raw)
To: dri-devel
https://bugs.freedesktop.org/show_bug.cgi?id=34534
--- Comment #5 from Alex Deucher <agd5f@yahoo.com> 2011-03-16 09:50:19 PDT ---
Does booting with radeon.disp_priority=2 help?
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* [Bug 34534] resolution 3840x1024 stopped to work on HD5850 after switch to 2.6.37 kernel
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--- Comment #6 from Peter Hercek <phercek@gmail.com> 2011-03-16 12:15:23 PDT ---
Adding radeon.disp_priority=2 to the kernel command line did not help. It looks
the same.
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* [Bug 34534] resolution 3840x1024 stopped to work on HD5850 after switch to 2.6.37 kernel
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From: bugzilla-daemon @ 2011-03-17 6:45 UTC (permalink / raw)
To: dri-devel
https://bugs.freedesktop.org/show_bug.cgi?id=34534
--- Comment #7 from Alex Deucher <agd5f@yahoo.com> 2011-03-16 23:45:20 PDT ---
This monitor is a matrox triplehead2go.
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* [Bug 34534] resolution 3840x1024 stopped to work on HD5850 after switch to 2.6.37 kernel
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From: bugzilla-daemon @ 2011-04-08 15:56 UTC (permalink / raw)
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--- Comment #8 from Alex Deucher <agd5f@yahoo.com> 2011-04-08 08:56:06 PDT ---
Can you dump the following registers in both the working and non-working states
using radeonreg or avivotool
(http://cgit.freedesktop.org/~airlied/radeontool/)?
You only need to dump the set that aligns to whichever crtc you are using for
the problematic monitor (probably crtc 0 if you have just one monitor
attached). 'xrandr --verbose' will tell you which crtc is in use.
crtc0:
radeonreg regmatch 0x0bf0
radeonreg regmatch 0x0bf4
radeonreg regmatch 0x6b18
radeonreg regmatch 0x6b1c
radeonreg regmatch 0x6b0c
crtc 1:
radeonreg regmatch 0x0c00
radeonreg regmatch 0x0c04
radeonreg regmatch 0x7718
radeonreg regmatch 0x771c
radeonreg regmatch 0x770c
crtc 2:
radeonreg regmatch 0x0c10
radeonreg regmatch 0x0c14
radeonreg regmatch 0x10318
radeonreg regmatch 0x1031c
radeonreg regmatch 0x1030c
crtc 3:
radeonreg regmatch 0x0c20
radeonreg regmatch 0x0c24
radeonreg regmatch 0x10f18
radeonreg regmatch 0x10f1c
radeonreg regmatch 0x10f0c
crtc 4:
radeonreg regmatch 0x0c30
radeonreg regmatch 0x0c34
radeonreg regmatch 0x11b18
radeonreg regmatch 0x11b1c
radeonreg regmatch 0x11b0c
crtc 5:
radeonreg regmatch 0x0c40
radeonreg regmatch 0x0c44
radeonreg regmatch 0x12718
radeonreg regmatch 0x1271c
radeonreg regmatch 0x1270c
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* [Bug 34534] resolution 3840x1024 stopped to work on HD5850 after switch to 2.6.37 kernel
2011-02-21 15:24 [Bug 34534] New: resolution 3840x1024 stopped to work on HD5850 after switch to 2.6.37 kernel bugzilla-daemon
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From: bugzilla-daemon @ 2011-04-08 17:40 UTC (permalink / raw)
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--- Comment #9 from Peter Hercek <phercek@gmail.com> 2011-04-08 10:40:19 PDT ---
(In reply to comment #8)
xrandr reports the monitor on crtc 1 in both cases (working/non-working):
DVI-1 connected 3840x1024+0+1050 (0x6b) normal (normal left inverted right x
axis y axis) 1082mm x 288mm
Identifier: 0x58
Timestamp: 12755
Subpixel: horizontal rgb
Gamma: 1.0:1.0:1.0
Brightness: 1.0
Clones:
CRTC: 1
CRTCs: 0 1 2 3 4 5
Only time stamp is different in the above text block.
As for as the registers for crtc 1:
Just before the watermark commit - the good case (and it is the same as
2.6.36.3):
0x0c00 0x00030002 (196610)
0x0c04 0x00000000 (0)
0x7718 0x00000000 (0)
0x771c 0x00000000 (0)
0x770c 0x00020004 (131076)
Just at the watermark commit - the bad case:
0x0c00 0x00030002 (196610)
0x0c04 0x2e985963 (781736291)
0x7718 0x00000024 (36)
0x771c 0x00000024 (36)
0x770c 0x00010005 (65541)
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* [Bug 34534] resolution 3840x1024 stopped to work on HD5850 after switch to 2.6.37 kernel
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From: bugzilla-daemon @ 2011-04-08 17:58 UTC (permalink / raw)
To: dri-devel
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--- Comment #10 from Alex Deucher <agd5f@yahoo.com> 2011-04-08 10:58:38 PDT ---
(In reply to comment #9)
> As for as the registers for crtc 1:
>
> Just before the watermark commit - the good case (and it is the same as
> 2.6.36.3):
> 0x0c00 0x00030002 (196610)
> 0x0c04 0x00000000 (0)
> 0x7718 0x00000000 (0)
> 0x771c 0x00000000 (0)
> 0x770c 0x00020004 (131076)
>
> Just at the watermark commit - the bad case:
> 0x0c00 0x00030002 (196610)
> 0x0c04 0x2e985963 (781736291)
> 0x7718 0x00000024 (36)
> 0x771c 0x00000024 (36)
> 0x770c 0x00010005 (65541)
does:
radeonreg regset 0x770c 0x00020004
fix the broken state? If not, try replacing the other values with the working
versions to narrow down which ones are problematic or if they all need to be
changed.
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* [Bug 34534] resolution 3840x1024 stopped to work on HD5850 after switch to 2.6.37 kernel
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--- Comment #11 from Peter Hercek <phercek@gmail.com> 2011-04-08 11:15:01 PDT ---
(In reply to comment #10)
> (In reply to comment #9)
> does:
> radeonreg regset 0x770c 0x00020004
> fix the broken state?
Yes, it does. Only the one regset is enough. Do you think I can just add this
to some xserver startup script so that I have a workaround for now? Would it be
safe?
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* [Bug 34534] resolution 3840x1024 stopped to work on HD5850 after switch to 2.6.37 kernel
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--- Comment #12 from Alex Deucher <agd5f@yahoo.com> 2011-04-12 14:11:33 PDT ---
(In reply to comment #11)
>
> Yes, it does. Only the one regset is enough. Do you think I can just add this
> to some xserver startup script so that I have a workaround for now? Would it be
> safe?
yes, it's fine.
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* [Bug 34534] resolution 3840x1024 stopped to work on HD5850 after switch to 2.6.37 kernel
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--- Comment #13 from Alex Deucher <agd5f@yahoo.com> 2011-04-12 14:25:56 PDT ---
Can you attach the full xrandr --verbose output?
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* [Bug 34534] resolution 3840x1024 stopped to work on HD5850 after switch to 2.6.37 kernel
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--- Comment #14 from Alex Deucher <agd5f@yahoo.com> 2011-04-12 14:44:59 PDT ---
Created an attachment (id=45556)
View: https://bugs.freedesktop.org/attachment.cgi?id=45556
Review: https://bugs.freedesktop.org/review?bug=34534&attachment=45556
possible fix
Does this patch help?
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--- Comment #15 from Peter Hercek <phercek@gmail.com> 2011-04-13 00:37:56 PDT ---
Created an attachment (id=45562)
--> (https://bugs.freedesktop.org/attachment.cgi?id=45562)
xrandr --verbose output on 2.6.38.2-vanilla (with 3840x1024 fixed using
radeonreg regset 0x770c 0x00020004)
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--- Comment #16 from Peter Hercek <phercek@gmail.com> 2011-04-13 01:37:03 PDT ---
(In reply to comment #14)
> Does this patch help?
No, the image stays corrupted, I still need to do this to fix it:
# radeonreg regset 0x770c 0x00020004
OLD: 0x770c (770c) 0x00010005 (65541)
NEW: 0x770c (770c) 0x00010004 (65540)
#
I applied and tested the patch with 2.6.38.2-vanilla.
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--- Comment #17 from Alex Deucher <agd5f@yahoo.com> 2011-04-14 09:30:02 PDT ---
Created an attachment (id=45616)
View: https://bugs.freedesktop.org/attachment.cgi?id=45616
Review: https://bugs.freedesktop.org/review?bug=34534&attachment=45616
possible fix
Does this patch help?
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From: bugzilla-daemon @ 2011-04-14 22:44 UTC (permalink / raw)
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--- Comment #18 from Peter Hercek <phercek@gmail.com> 2011-04-14 15:44:43 PDT ---
(In reply to comment #17)
> Does this patch help?
Yes, this patch works. 0x770c is set to the right value now.
0x7718 and 0x771c are different than before too but that is probably intended.
Here they are:
0x0c00 0x00030002 (196610)
0x0c04 0x2e985963 (781736291)
0x7718 0x00100024 (1048612)
0x771c 0x00100024 (1048612)
0x770c 0x00020004 (131076)
Thanks for fixing this.
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19 siblings, 0 replies; 21+ messages in thread
From: bugzilla-daemon @ 2011-04-14 23:06 UTC (permalink / raw)
To: dri-devel
https://bugs.freedesktop.org/show_bug.cgi?id=34534
--- Comment #19 from Alex Deucher <agd5f@yahoo.com> 2011-04-14 16:06:19 PDT ---
(In reply to comment #18)
> (In reply to comment #17)
> > Does this patch help?
>
> Yes, this patch works. 0x770c is set to the right value now.
> 0x7718 and 0x771c are different than before too but that is probably intended.
Yes.
> Here they are:
> 0x0c00 0x00030002 (196610)
> 0x0c04 0x2e985963 (781736291)
> 0x7718 0x00100024 (1048612)
> 0x771c 0x00100024 (1048612)
> 0x770c 0x00020004 (131076)
>
> Thanks for fixing this.
No problem. Sorry it took so long.
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^ permalink raw reply [flat|nested] 21+ messages in thread
* [Bug 34534] resolution 3840x1024 stopped to work on HD5850 after switch to 2.6.37 kernel
2011-02-21 15:24 [Bug 34534] New: resolution 3840x1024 stopped to work on HD5850 after switch to 2.6.37 kernel bugzilla-daemon
` (18 preceding siblings ...)
2011-04-14 23:06 ` bugzilla-daemon
@ 2011-06-18 22:31 ` bugzilla-daemon
19 siblings, 0 replies; 21+ messages in thread
From: bugzilla-daemon @ 2011-06-18 22:31 UTC (permalink / raw)
To: dri-devel
https://bugs.freedesktop.org/show_bug.cgi?id=34534
Peter Hercek <phercek@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
--- Comment #20 from Peter Hercek <phercek@gmail.com> 2011-06-18 15:31:08 PDT ---
Works well in 2.6.39.1; probably even in 2.6.39, but I did not try that.
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