On Wed, 2012-10-24 at 10:08 +0200, Michel D?nzer wrote: > On Die, 2012-10-23 at 21:53 +0300, Imre Deak wrote: > > Jumps in the vblank and page flip event timestamps cause trouble for > > clients, so we should avoid them. The timestamp we get currently with > > gettimeofday can jump, so use instead monotonic timestamps. > > > > For backward compatibility use a module flag to revert back to using > > gettimeofday timestamps. Add also a DRM_CAP_TIMESTAMP_MONOTONIC flag > > that is simply a read only version of the module flag, so that clients > > can query this without depending on sysfs. > > > > Signed-off-by: Imre Deak <imre.deak at intel.com> > > drm_timestamp_monotonic should probably be a bool rather than an int. Ok, will change that. Also just realized that the permission could be 0644 isntead of 0600. --Imre > > Looks good to me otherwise, as does patch 1. > >