[Openchrome-devel] VX855 support, take 2

Varol Okan varokan
Fri Jul 17 09:45:21 PDT 2009

Hash: SHA1

Xavier Bachelot wrote:
> Xavier Bachelot wrote:
>> Hi,
>> Please find attached 2 patches adding VX855 support. This is based on
>> work from Harald Welte, as well as Chris Ball and Mitch Bradley from the
>> OLPC team.
>> First patch (vx855_support.patch) adds the VX855 to the logic of the
>> driver. I've checked this one already, it should be good to go.
>> Second patch (pll_rework.patch) brings in working VX855 dot clock.
>> That's the one that need to be reviewed more carefully. It reworks the
>> UniChromePro clock setting such that the SetDotclock() functions get
>> access to a full set of parameters for each clock value, rather than one
>> value for the PLLs for <VX855 and one for VX855.
>> FWIW,I've tested this on both a CLE266 (unichrome dotclock) and a VX800
>> (unichrome pro dotclock), so I believe this doesn't introduce regressions.
> I've committed the 2 patches (rev 756 and 757).
>> Also, Chris will provide one more patch to add support for the XO-1.5
>> panel soonish.
> Here's the missing panel patch, extracted from a big OLPC patch also
> including the 2 above patches.
> With this patch included on top of trunk, the XO-1.5 should work out of
> the box. This patch as not yet been committed.
> Notably missing is VX855 Xv support and VX855 DMA blit support. DMA blit
> patch is useless w/o Chrome9 DRM, but can be included. The Xv patch is
> not enough and is reported not to work, it's only there as a
> placeholder, waiting for the missing bits to be added.

So is there hope I get my cute HP2133 Netbook to use 3D accelerated ?

> Regards,
> Xavier
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