[Bug 25440] New: PATCH: fixes conflicting miptree definitions

[Bug 25440] New: PATCH: fixes conflicting miptree definitions

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=25440

           Summary: PATCH: fixes conflicting miptree definitions
           Product: Mesa
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/nouveau
        AssignedTo: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
        ReportedBy: rjgleits-Bdlq13kUjeyLZ21kGMrzwg@public.gmane.org


Created an attachment (id=31731)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=31731)
Patch to fix problem above

There is a conflict between the definitions of struct nv50_miptree and
nv[1-4]0_miptree + nv04_miptree. Note that nv50_miptree starts with struct
nouveau_miptree. Sometimes pipe_textures are cast to nouveau_miptree, although
the pt was part of a nv40_miptree (for example). This results in the bo field
pointing to an incorrect location, resulting in segfaults, etc. The patch does
not change the nv50 driver (or shouldn't). I have tested it on 7300 GT only. 

Best Wishes,

Bob Gleitsmann


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[Bug 25440] PATCH: fixes conflicting miptree definitions

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=25440


Younes Manton <younes.m-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

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




--- Comment #1 from Younes Manton <younes.m-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>  2009-12-06 09:36:42 PST ---
Thanks. I came across this too and someone pointed me to this patch. We should
go back and clean this up so that all the drivers use the same base for
miptrees, but in the meantime I'll apply this as a workaround. Thanks again.


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