[patch] exa: fix pitch handling in ModifyPixmapHeader

[Tilman Sauerbeck]

Zhenyu Wang [2008-04-19 09:16]:
> On 2008.04.18 14:03:50 +0200, Tilman Sauerbeck wrote:
> > Unfortunately I cannot reproduce #15509 on my i945 sofar. I tried the
> > master branches of xserver.git and intel.git with a framebuffer of
> > 2560x2560 pixels, and rotation still worked fine after I connected the
> > VGA output and extended my desktop to it.
> 
> Try to set virtual height <= 2048. Current intel driver will disable
> accel if virtualY's larger than 2048, which I think a little overkill.
> As hw at least supports 2D blit larger than that, and disable smaller
> size pixmap acceleration totally. I don't know much of why it is, Eric?

Thanks, I can reproduce the crash with a framebuffer of 2432x1024
pixels. I'll look into it.

> I think We'd just fix exa to handle driver's limits and alignement
> correctly, and let it pass down those can be done in hw. I have pushed

Yes.

Regards,
Tilman

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