This might be fixed upstream in kernel 2.6.35-rc6. From the changelog:
commit 15cb02c0a0338ee724bf23e31c7c410ecbffeeba Author: Alex Deucher Date: Wed Jul 21 19:37:21 2010 -0400
drm/radeon/kms: fix legacy LVDS dpms sequence
Add delay after turning off the LVDS encoder.
Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=16389
Tested-by: Jan Kreuzer Signed-off-by: Alex Deucher Cc: <email address hidden> Signed-off-by: Dave Airlie
A PPA of this kernel is available at http://kernel.ubuntu.com/~kernel-ppa/mainline/
This might be fixed upstream in kernel 2.6.35-rc6. From the changelog:
commit 15cb02c0a0338ee 724bf23e31c7c41 0ecbffeeba
Author: Alex Deucher
Date: Wed Jul 21 19:37:21 2010 -0400
drm/radeon/kms: fix legacy LVDS dpms sequence
Add delay after turning off the LVDS encoder.
Fixes: /bugzilla. kernel. org/show_ bug.cgi? id=16389
https:/
Tested-by: Jan Kreuzer
Signed-off-by: Alex Deucher
Cc: <email address hidden>
Signed-off-by: Dave Airlie
A PPA of this kernel is available at http:// kernel. ubuntu. com/~kernel- ppa/mainline/