[Xorg-driver-geode] Patch - "Modify rotation pitch & reallocate pixmap for bo" illuminate

Martin-Éric Racine q-funk at iki.fi
Sun Sep 26 02:54:20 PDT 2010

Thank you for this patch. To which bug number on what BTS does it correspond?


On Sun, Sep 26, 2010 at 12:51 PM, Cui, Hunk <Hunk.Cui at amd.com> wrote:
> Hi, Martin,
>        Inverted rotation issue (icon and glyph missing and desktop
> Corruption phenomenon), it was tested by Frank and Mitch, also I have
> made a lot of testing (e g: change the Graphic memory in BIOS, long time
> to do the inverted rotation and then click the icon/button, change the
> display resolution, open the website, the Patch has supported x-server
> 1.6/1.7/1.8/1.9, running on ubuntu 10.04 and Fedora 12 platform etc),
> the feedback is well.
>        About this patch, since the scratch pixmap header will be
> re-used after allocation, we need to clear its buffer object attachment
> when we stop using it, otherwise a later user will use a bogus buffer
> object. In addition, the pitch values also need to recalculate in
> lx_crtc_mode_set function, it is a line size, otherwise, the desktop
> will occur corruption.
>        So it can commit to geode-driver, I hope you can push it.
>        Any feedback, please let me know.
> Thanks,
> Hunk Cui

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