[Openchrome-devel] [Bug 91966] No signal to monitor with X and openchrome using VX855 chipset graphics

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91966

--- Comment #111 from Kevin Brace <kevinbrace at gmx.com> ---
(In reply to Christopher from comment #110)

Hi Christopher,

> Kevin, I apologize if I haven't been openly thankful enough here -- but I
> really am -- you are doing a GREAT job of helping me, so far, and I do not
> want you to give up.
> 
> If I'm the only one in the world with a working OpenChrome driver for VX855
> -- fine by me. If the devs don't care enough to support their own creation,
> that's *their* problem. It's not mine, and I don't think it ought to be
> yours, either.
> 
> Let's do what we can, and if it becomes apparent that a fork is necessary,
> we might consider that as well.

Thank you very much for the words of encouragement.
I will continue working on fixing the bug you observed and a few more I know
exists (i.e., ACPI S3 State resume LVDS DFP screen disappearance bug I am still
trying to fix it up completely.).
Yeah, it has been pretty discouraging when I have been able to get my patches
committed to the public Git repository.
I have sent e-mails to several more senior xorg developers (both work at
RedHat), so hopefully after a few days (i.e., many people do not resume work
probably until January 4th), someone will intervene, and resolve the matter.
Just to let you know, starting sometime around February, I may have to reduce
my time I spend on OpenChrome probably until late May.
    Regarding what I have been working on for the past few days, I have been
trying to disable the use of display output availability predefined table, and
see what happens.
Actually, disabling this table is not terribly difficult, but when I do this,
even my laptop appears to have issues with screen detection.
Ideally, screen detection should be done dynamically via polling 2 to 3 I2C
buses available on various VIA Technologies chipsets (One for VGA, one or two
for DFP and or TV.).
I am now studying how the screen detection and I2C bus polling portion of the
code works.
I am working on this section because I strongly suspect (although I can be
totally wrong) OpenChrome with your computer does not work correctly due to a
problem with I2C bus, and in particular, I2C bus #2 and #3 (I2C bus #1 is for
VGA. The I2C bus for VGA is typically called VESA DDC.)

Regards,

Kevin Brace

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