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* [Bug 57988] New: [regression][bisected][NV4E] LVDS output has offset to the right, part falling of is painted on the left
@ 2012-12-07 16:36 bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
       [not found] ` <bug-57988-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
  0 siblings, 1 reply; 14+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2012-12-07 16:36 UTC (permalink / raw)
  To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW


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https://bugs.freedesktop.org/show_bug.cgi?id=57988

          Priority: medium
            Bug ID: 57988
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
           Summary: [regression][bisected][NV4E] LVDS output has offset to
                    the right, part falling of is painted on the left
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: ronald645-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Driver/nouveau
           Product: xorg

Created attachment 71137
  --> https://bugs.freedesktop.org/attachment.cgi?id=71137&action=edit
Dmesg of regression: 3.7-rc8+nouveau(implement opcode 0xa9)

Commit:

767baf828498: drm/nouveau: remove some more unnecessary legacy bios code

causes a regression. Attached are dmesg logs and photographs (since the title
probably won't cut it).

Symptoms are:

- screen is dislocated to the right causing part of the screen to fall off
- the part that falls of the screen is improperly repainted on the left side,
seems like a mirror effect in that this repainting is happening twice
- upper part of the screen has a horizontal bar that is probably 1 or 2 pixels
thick. Desktop is displayed there, but it's scrambled.

This is with an 'C51 (NV4E)' chipset.

Mupuf on #nouveau mentioned removing the ' #if 0 / #endif ' parts in this
commit and see if that rebuilds. I added 'pll_limit_tbl_ptr' back to
nouveau_bios.h to make it compile. This does not help. Bug is still there. The
dmesg log 'attempt' contains the dmesg output with this modification.

Mupuf also mentioned that 'it clearly is a PLL calculation problem'. Therefore,
I also refer back to previous fdo bug #56202 . This was also related to 'PLL'
(I have no idea what it is though)...

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^ permalink raw reply	[flat|nested] 14+ messages in thread
end of thread, other threads:[~2012-12-08  1:00 UTC | newest]

Thread overview: 14+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2012-12-07 16:36 [Bug 57988] New: [regression][bisected][NV4E] LVDS output has offset to the right, part falling of is painted on the left bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
     [not found] ` <bug-57988-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
2012-12-07 16:36   ` [Bug 57988] " bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2012-12-07 16:37   ` [Bug 57988] [regression][bisected][NV4E] LVDS output has offset to the right, part falling of is incorrectly " bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2012-12-07 16:38   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2012-12-07 16:39   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2012-12-07 16:40   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2012-12-07 16:42   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2012-12-07 16:43   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2012-12-07 16:44   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2012-12-07 16:45   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2012-12-07 16:51   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2012-12-07 17:29   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2012-12-07 21:03   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2012-12-08  1:00   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

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