[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 #38 from HuangRan <huangran at iscas.ac.cn> ---
Hi Kevin,

   I just gave a try on my VX900 board. The KMS is working fine and Xorg.0.log
looks good with your proposal below:
-----------------------------------------------------------
        if ((dev_priv->engine_type <= VIA_ENG_H2) ||
            (dev->agp && drm_pci_device_is_agp(dev))) {
-----------------------------------------------------------
   Now that you have verified old H1/H2 chip and VX800 which is based on H5, I
do think we can commit this change to kernel.
   For the first commit, I see your suggestion on comment #31, I think for the
first patch, I agree with that you do the commit with my name included. And I
prefer to know how to get the commit privilege for next step for future commits
in drm/ddx, so can you help me on that? Yup, I have seen some discussion
between you and other committer on how to do it, but if you can send me a
README for a more regular way to do a commit, it should be great.

Thanks,
Frank

(In reply to Kevin Brace from comment #35)
> Hi Frank,
> 
> I was able to install the Linux kernel that comes with KMS supporting DRM
> module.
> Looking at the dmesg and Xorg.0.log, KMS is working.
> Regarding the AGP recognition issue, I tested the fix I proposed using a
> mainboard with P4M890 chipset (supports external PCIe devices, but the IGP
> is UniChrome Pro), and it appears that DRM is properly allocating memory for
> an AGP device.
> I also tested the same hard drive using a mainboard with VX800 chipset, and
> as long as the proposed fix is implemented, it does not appear to cause
> problems with Chome 9 as well.
> In both cases, I only tested VGA, but DRM did the mode setting correctly.
> Do you want to commit a fix for this possible bug?

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