[Openchrome-devel] [Bug 94473] DRM / KMS bootup error on VX900 platform

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94473

--- Comment #56 from HuangRan <huangran at iscas.ac.cn> ---
Hi Kevin,

(In reply to Kevin Brace from comment #53)
> Hi Frank,
> 
> I am now working on substituting Linux 3.2 kernel's in the box DRM module
> with James Simmons' DRM module (drm-openchrome).
> I am forced to do this because if I simply try to compile DRM module over at
> drm-openchrome page, it actually installs Linux 3.19-rc6.
> Unfortunately, if I do this, PS/2 or USB mouse no longer works (only PS/2
> keyboard works) in Lubuntu 12.04 (i.e., Lubuntu 12.04 with Linux 3.19-rc6
> kernel).
Okay. Do you mean that for kernel 3.19, your PS/2 or USB mouse is not working?
Instead, on kernel 3.2 it is working?
There is one thing to consider if you do the back porting from 3.19 to 3.2 for
via drm driver. That is DRM header files/c files/functions changed a lot from
3.2 to 3.19 which will make your compilation on 3.2 kernel failed. So you will
do some code changes in via drm code to adapt this DRM changes.

> Anyway, I am compiling the Linux 3.2 kernel with James Simmons' DRM module
> right now.
> I will let you know how it plays out.
> Once I verify that KMS is working, I will install the hard drive into ZOTAC
> ZBOX nano VD01, so that I can check HDMI and DP.
Yup, your ZBOX board has a DP port which my VX900 boards/thin clients do not
have. That is a very important feature we need activate for VX900. Let me know
if DP can work at your side. At my side, I have HDMI,DVI,VGA ports for VX900
platform.

Thanks,
Frank

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