[Openchrome-devel] [Bug 106392] blank screen on OpenChrome with VIA VE900

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106392

--- Comment #28 from Kevin Brace <kevinbrace at gmx.com> ---
P Touchman, a lot of my time got taken for various time consuming tasks this
week (the week of May 6th, 2018).
For example, I had to replace my main development computer's (HP 2133
mini-note) SSD which just died after one year of use.
In practice, some other bad things happened as well (non-OpenChrome related),
but they are personal, so I will not discuss them here.
I will have limited time to work on OpenChrome for the week of May 13th, 2018,
but I will still like to make some progress.
    If you can, you may want to test the latest OpenChrome DDX with Knoppix.
If it is a lot more unstable, it might be because of the new connector
detection code not working well sometimes.
To test against this, you will like to boot the computer several times to see
if the VGA input correctly displays something.
If you think the non-detection of the display is sporadic, then I can create a
patch disabling this feature.
    Just for disclosure, I am aware of this connector detection code not
working very well with some chipsets.
I am considering removing them for the upcoming OpenChrome DDX Version 0.7 if I
cannot ensure that it works well with all the chipsets.


(In reply to ptouchman from comment #27)
> 
> I'm glad that I got it to finally work!  Maybe I'll have mame frameskip a
> little, I suppose it doesn't have to render every frame.  30 fps is actually
> playable.
> 
> 
> After reading your presentation I can see that it's a pretty monumental task
> to write video drivers.  (A very interesting read, BTW)
> 
> https://www.x.org/wiki/Events/XDC2017/brace_openchrome.pdf

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