[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 #67 from HuangRan <huangran at iscas.ac.cn> ---
(In reply to Kevin Brace from comment #65)
> Hi Frank,
> 
> 2 e-mails got generated automatically, and was sent to openchrome-devel
> mailing list.
> 
> https://lists.freedesktop.org/archives/openchrome-devel/2016-March/002167.
> html
> https://lists.freedesktop.org/archives/openchrome-devel/2016-March/002168.
> html
> 
> Frank, great job on analyzing what was going on inside the DRM code, and I
> hope to further develop the new DRM module for VIA Technologies IGP with you.

Hi Kevin,

   Sure, no problem. Right now, I am going through the close driver KMS code to
check why HDMI is not working with OpenChrome KMS code. By the way, I found
that in current close driver, it has a large part of code to get BIOS/vBIOS
information for graphics driver to use. And for this part of code, I didn't see
OpenChrome DRM/DDX code have that. 
   Based on my experience for RADEON, I really think this part of code should
be useful for OpenChrome DRM code because graphic driver need talk to
BIOS(VBIOS) to get enough information to do mode setting.

Thanks,
Frank

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