[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 #122 from Kevin Brace <kevinbrace at gmx.com> ---
Hi Christopher,

I will start posting 7 patches over the next 2 days.
Before you apply the patch, please clone the latest (May 2015) source code from
the Git repository.

$ git clone git://anongit.freedesktop.org/openchrome/xf86-video-openchrome

After that, download 7 patches to the source code, and compile it.
If my hypothesis about the cause of the bug is correct (i.e., I2C bus 2 can be
connected to a VGA input, in addition to I2C bus 1), you should see something
on the screen.
Please do not apply the patches to the existing patched version code since the
patch command may get confused when you do this.
I am sure you know how to apply the patch, but just in case you forgot, 

$ patch -p1 < 0001*.patch

If you apply the patch like this, obviously, I am assuming that the patch file
is located under /xf86-video-openchrome.
To apply the next patch, you just change the "0001" to "0002" and so on and so
forth.
    The patches are far from perfect, at least in terms of permanently fixing
the bug.
To really fix the bug, pretty much the entire display detection and resource
allocation code needs to be rewritten.
That being said, the quality of the patch is high enough that I think it can be
committed to the Git repository.
The permanent fix will have to be implemented at a later date.

Regards,

Kevin Brace

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