Commit 56f6fb [randr: Avoid re-querying...] breaks Twinview dynamic display configuration
aplattner at nvidia.com
Wed Feb 4 14:47:36 PST 2009
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.
I'm not sure exactly what the right fix is to avoid reintroducing bug
#19037, but the DIX definitely needs to query the DDX to see if the mode
Author: Eric Anholt <eric at anholt.net>
Date: Fri Jan 30 19:06:17 2009 -0800
randr: Avoid re-querying the configuration on everything but GetScreenResources.
The new path should only re-query on the other requests when we haven't
gathered the information from the DDX yet (such as with a non-RandR 1.2 DDX).
(cherry picked from commit 317f2b4a9fe4b606975711bc332166a82db5087d)
:100644 100644 b5cebdc... 9c9b7c0... M randr/randrstr.h
:100644 100644 38314de... 12b9a4a... M randr/rrinfo.c
:100644 100644 95662c9... da633b2... M randr/rrscreen.c
:100644 100644 7f9a798... 36135c6... M randr/rrxinerama.c
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