[Intel-gfx] [PATCH] LVDS: Fix output mode list construction.

Adam Jackson ajax at redhat.com
Mon Oct 19 16:09:02 CEST 2009

On Wed, 2009-10-14 at 09:41 +0800, ykzhao wrote:
> On Wed, 2009-10-14 at 04:42 +0800, Eric Anholt wrote:
> > I'd been saying before that it's probably the job of userland to cook up
> > a bunch of random modes for continuous-frequency outputs, if it wants to
> > for its interface to users.  Some sort of server interface for "give me
> > a collection of modes below this size at this refresh" (lvds) and "give
> > me a collection of modes below this size at various refreshes" (vga)
> > seems like it'd be nice for KMS drivers.
> Agree with what Eric said.
> It will be better that the userland adds a bunch of random modes for the
> continuous-frequency output.
> If LVDS output device has too many display mode before entering
> X-environment, maybe it will select one display mode whose visible part
> is less than LVDS panel.

This is not distinguishable from the case where the LVDS EDID has many
modes.  The preferred bit exists for a reason.

- ajax
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