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


> 
> I saw the new bug report you filed regarding the HDMI.
> I am thinking that this bug you originally filed for (AGP related issue)
> probably existed when James wrote the code, and possibly he never bothered
> to fix it or did not noticed it.
> How do you think?

   I am not sure on this, with my debugging yesterday on the kernel, I found
dev->agp is NULL which leads drm_agp_acquire() return NULL.
-------------------------------------
          if (!dev->agp)
        return -ENODEV;
-------------------------------------
  But for UMS driver, it does not return such error, so I still need
investigate how UMS driver deals with that.

Thanks,
Frank

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