[Openchrome-devel] [Bug 96500] Can't use 1920x1080 on VGA with versions newer than 0.4.176

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Jun 13 06:55:36 UTC 2016


--- Comment #2 from Kevin Brace <kevinbrace at gmx.com> ---
Hi Max,

I apologize for the screw up.
Also, thanks for catching my obvious mistake.
I do not own a monitor capable of 1920 X 1080, and this appears to be causing
problems with other people.
The maximum I have is 1680 X 1050, and I do not have access to it for now.
    For IGA1, Horizontal total period is 9 bits, not 8 bits as I mistakenly
What happens is that pretty much all IGA1 values get shifted to the right by 3
bit positions, hence, a 12 bit wide value is legal.
What happens is that the 3 LSBs (Least Significant Bits) get dropped as a
result of the right 3 bit position shift.
2200 fits within that 12 bits, hence, it is a legal value as far as IGA1 is
I will upload the patch shortly, and I will include your name in the commit

Signed-off-by: Max Rus <"your e-mail address">

If you want to opt out, I can do that as well.

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