Nouveau - Feb 2008 - [Bug 14567] New: Randr 1.2 fails on nv17 lvds in a Dell Inspiron 8100 ( continued from 14491)

http://bugs.freedesktop.org/show_bug.cgi?id=14567

           Summary: Randr 1.2 fails on nv17 lvds in a Dell Inspiron 8100
                    (continued from 14491)
           Product: xorg
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: henrik.sorensen at gmail.com
         QAContact: xorg-team at lists.x.org


Opening new bug as requested in IRC


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--- Comment #1 from Henrik S?rensen <henrik.sorensen at gmail.com> 
2008-02-19 10:23:56 PST ---
Created an attachment (id=14419)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=14419)
radeontool regs output WITH randr12


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--- Comment #2 from Henrik S?rensen <henrik.sorensen at gmail.com> 
2008-02-19 10:24:17 PST ---
Created an attachment (id=14420)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=14420)
radeontool regs output WITHOUT randr12


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Henrik S?rensen <henrik.sorensen at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|                            |14405




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--- Comment #3 from Stuart Bennett <sb476 at cam.ac.uk>  2008-02-28
07:23:49 PST ---
Created an attachment (id=14645)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=14645)
Hardcode some regs to match working state

See what effect this has. If it has a detrimental effect, it's worth trying
applying parts of it to see what causes the problem, and if any other parts
improve things. If it has a good effect, try to find which change causes it.


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--- Comment #4 from Henrik S?rensen <henrik.sorensen at gmail.com> 
2008-02-28 14:31:55 PST ---
Created an attachment (id=14666)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=14666)
Xorg.log with patch

No visible changes. The screen is still 'striped', only every second
vertical
line is visible, the effect carries over to vga virtual terminals. Only a
reboot restores the image. (nv or randr12 less nouveau cannot remove the
effect)


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--- Comment #5 from Henrik S?rensen <henrik.sorensen at gmail.com> 
2008-02-28 14:33:59 PST ---
Created an attachment (id=14667)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=14667)
radeontools regs dump with randr12 + patch


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Stuart Bennett <sb476 at cam.ac.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |sb476 at cam.ac.uk




--- Comment #6 from Stuart Bennett <sb476 at cam.ac.uk>  2008-02-28
17:22:21 PST ---
An randr12 and non-randr12 comparison of:
./radeontool regset 0x6808b0 0x10004
./radeontool regmatch 0x6808b4
./radeontool regset 0x6808b8 0x10004
./radeontool regmatch 0x6808bc
./radeontool regset 0x6828b0 0x10004
./radeontool regmatch 0x6828b4
./radeontool regset 0x6828b8 0x10004
./radeontool regmatch 0x6828bc
might be interesting - the fact that the effect isn't cured on exit to
console
indicates the digital output setup is wrong :(


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Henrik S?rensen <henrik.sorensen at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED




--- Comment #7 from Henrik S?rensen <henrik.sorensen at gmail.com> 
2008-03-06 12:38:29 PST ---
With the current git, the randr1.2 code now sets a correct mode. Whatever you
did, appears to fix it. :p


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