[Openchrome-devel] [Bug 94863] No signal at VGA (crt-tube) connected to DVI port of VX900

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94863

--- Comment #18 from Kevin Brace <kevinbrace at gmx.com> ---
Hi John,

I will likely put default recognition of a VGA monitor feature into OpenChrome
Version 0.5.0.
That being said, I am still very much against manual settings as a general
rule, so the screen resolution may have to be limited to 800 X 600 and 640 X
480 (Microsoft Windows did something like this for their safe mode in Windows
2000.) for monitors the device driver was not able to read its EDID (i.e.,
pre-VESA DDC monitors and ).
In general, I am going in the direction of removing manual settings, and
removed several manual settings for Version 0.4.0.
I will likely remove a few more for Version 0.5.0.
    It is hard to say how long the next version of OpenChrome will take.
At this point, I will like to spend a few months fixing problems, and one of
the issue that needs to be dealt with is how the display output is assigned to
which display controller.
Because of the unhealthy reliance on the "known device table" by the previous
developers, I do not believe OpenChrome is capable at this point to dynamically
allocate the appropriate display controller based on the detected output
display resources.
Display resources have to be assessed before appropriate display controller is
assigned since the 2 display controllers are not symmetrical (they are
asymmetrical).
This is in addition to the code cleanup I am conducting right now.
    I could incorporate the temporary fix you performed into the code if that
is what you want for now, but in general, the supported screen resolution
should be rather low.
I do have certain approaches to issues, and as you can tell, I do not
particularly like manual settings (however, I will not try to get rid of all of
them, either).
However, they are sometimes necessary, and I tend to think of something like
this to be akin to a "limp mode" in automobiles.
As far as I am concerned, what you and Benno are asking is a "limp mode," and I
do not mind having it as long as the scope is limited (i.e., limited screen
resolution).

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