color management spec

Adam K Kirchhoff adamk at
Sun Jun 1 17:07:58 PDT 2008

On Sun, 1 Jun 2008 16:17:08 -0700
"Hal V. Engel" <hvengel at> wrote:

> On Saturday 31 May 2008 12:32:14 pm Kai-Uwe Behrmann wrote:
> > Am 30.05.08, 11:27 -0400 schrieb Alex Deucher:
> > > I think you may want to start with a basic app to load ICC
> > > profiles and properly set the LUTs per crtc using xrandr, then
> > > move onto the per-window stuff.  That may be part of your plan
> > > already.
> >
> > What is the most easy way to get XRandr up with two monitors?
> > My current card is a nvidia6200, but I'd be willing to change that.
> > The propriarity driver is no option. Compiling nv + xorg(?) myself
> > seems hard eigther.
> The nv driver only supports XRandR 1.2 using NV5x GPUs (8xxx and 9xxx
> series cards).  The blob does not support XRandR 1.2 at all.  Nouveau
> does support XRandR 1.2 and support for NV4x GPUs (6xxx and 7xxx
> series cards) is supposed to be fairly good.  So Nouveau is an option
> for you but it will likely take a significant amount of effort to get
> it running.
> As far as I know the Intel GPUs are not available in an add in card
> so that would require a new motherboard & perhaps CPU.  But this
> would likely give you the most mature XRandR 1.2 drivers.
> I don't know about the drivers for the ATI/AMD hardware.  Perhaps
> someone else could comment.

All radeon cards supported by the open source radeon driver (this is
everything up to and including the r500 generation cards) support
xrandr 1.2.


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