Commit 56f6fb [randr: Avoid re-querying...] breaks Twinview dynamic display configuration

Keith Packard keithp at
Wed Feb 4 16:48:46 PST 2009

On Wed, 2009-02-04 at 14:47 -0800, Aaron Plattner wrote:
> This commit causes a regression in dynamic display configuration with the
> NVIDIA driver, where trying to switch to a new configuration with
> nvidia-settings fails.  The problem is that nvidia-settings adds the new
> mode to the list, then queries the mode pool with RRGetScreenInfo.  This
> now fails to pick up the new mode and nvidia-settings can't find it,
> resulting in a failed mode switch.

Right, this is the legacy RandR 1.1 equivalent to GetScreenResources and
should be treated the same way. Of course, fixing all of the drivers to
move to RandR 1.2 would be nice too :-)

keith.packard at
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