[Bug 27083] New: Commit "use lcd pll limits when available" in drm-radeon-testing breaks my laptop lvds

[Bug 27083] New: Commit "use lcd pll limits when available" in drm-radeon-testing breaks my laptop lvds

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=27083

           Summary: Commit  "use lcd pll limits when available" in drm-
                    radeon-testing breaks my laptop lvds
           Product: DRI
           Version: DRI CVS
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.sourceforge.net
        ReportedBy: scary.moo@gmail.com


As the summary says, commit 86cb2bbfda2cf402aee46779ee90bbb7d915482b
(drm/radeon/kms: use lcd pll limits when available) in drm-radeon-testing
produces unwatchable fuzziness on my laptop screen (toshiba a300, hd3470
mobility). Reverting the commit brings the laptop back to an usable state.
Some system info was already attached at the (old, similar, fixed) bug 
http://bugs.freedesktop.org/show_bug.cgi?id=26358


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[Bug 27083] Commit "use lcd pll limits when available" in drm-radeon-testing breaks my laptop lvds

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=27083





--- Comment #1 from Alex Deucher <agd5f@yahoo.com>  2010-03-15 10:08:40 PST ---
Created an attachment (id=34076)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=34076)
remove lvds quirks

Perhaps with the new code the quirk from the other bug isn't necessary.  Does
this patch help?  It removes the LVDS quirks.


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[Bug 27083] Commit "use lcd pll limits when available" in drm-radeon-testing breaks my laptop lvds

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=27083





--- Comment #2 from Alexandre Derumier <aderumier@odiso.com>  2010-03-16 02:44:41 PST ---
i confirm, with the pll limits patch, i doesn't need the lvds quirk for my dell
studio laptop 15.


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[Bug 27083] Commit "use lcd pll limits when available" in drm-radeon-testing breaks my laptop lvds

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=27083





--- Comment #3 from Stefano Carignano <scary.moo@gmail.com>  2010-03-16 02:58:03 PST ---
seems to be working here as well, thanks!


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[Bug 27083] Commit "use lcd pll limits when available" in drm-radeon-testing breaks my laptop lvds

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=27083


Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |schmidt@digadd.de




--- Comment #4 from Alex Deucher <agd5f@yahoo.com>  2010-03-16 06:56:08 PST ---
*** Bug 27106 has been marked as a duplicate of this bug. ***


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[Bug 27083] Commit "use lcd pll limits when available" in drm-radeon-testing breaks my laptop lvds

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=27083





--- Comment #5 from Alex Deucher <agd5f@yahoo.com>  2010-03-16 07:01:21 PST ---
Created an attachment (id=34106)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=34106)
disable lcd pll code

I suspect the pll algo fixes are actually what fixed things.  Can you try this
patch as well (in addition to the previous one)?


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[Bug 27083] Commit "use lcd pll limits when available" in drm-radeon-testing breaks my laptop lvds

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=27083





--- Comment #6 from Christian Schmidt <schmidt@digadd.de>  2010-03-16 09:46:47 PST ---
Both patches together work for my duplicate T500 bug.


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[Bug 27083] Commit "use lcd pll limits when available" in drm-radeon-testing breaks my laptop lvds

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=27083





--- Comment #7 from Stefano Carignano <scary.moo@gmail.com>  2010-03-17 01:43:39 PST ---
the second patch didn't break anything here as well :)


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[Bug 27083] Commit "use lcd pll limits when available" in drm-radeon-testing breaks my laptop lvds

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=27083


Alex Deucher <agd5f@yahoo.com> changed:

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




--- Comment #8 from Alex Deucher <agd5f@yahoo.com>  2010-03-17 20:30:41 PST ---
I've sent the combined patch to Dave.  thanks!


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