[Libdlo] [PATCH] Fix displaylink-mod with 2.6.32

Bernie Thompson bernie at plugable.com
Thu Dec 9 16:44:39 PST 2010


One correction ...

On Thu, Dec 9, 2010 at 2:46 PM, Bernie Thompson <bernie at plugable.com> wrote:
> From a udlfb perspective - unless it causes a
> match failure or a different resolution to be matched -- refresh rates
> don't matter to DisplayLink devices (AFAIK the refresh rate isn't
> settable - the chip refreshes out of its hardware framebuffer to the
> monitor at a constant ~60Hz rate, and the software doesn't/can't
> affect that setting).

It was pointed out to me that I wasn't thinking straight about this --
the mode timings are reflected by hardware in the refresh rate to the
monitor.  So the refresh rate (taken from mode ->
fb_var_screeninfo.pixclock, etc. -> displaylink register settings)
does matter. Sorry.

Bernie


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