dual Radeon graphics cards and Xrandr 1.4

Michel Dänzer michel at daenzer.net
Mon Oct 19 19:31:26 PDT 2015

On 20.10.2015 00:10, J. Hart wrote:
> I do notice some very small graphics corruption which occurs in the
> background of the X pointer, and which varies somewhat as the pointer
> moves about.  This is a minor matter, but I thought I ought to mention
> it.  It occurred in both tests (7.5.0 and git), but does not occur when
> I run X with Xinerama.

It's because Xorg uses software cursors for RandR 1.4 multihead. IIRC it
might be fixed with xserver Git master, but I'm not sure the patches
have landed yet.

Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer

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