On Tue, May 20, 2014 at 03:03:41PM +0300, Ville Syrj?l? wrote: > On Wed, May 14, 2014 at 08:51:11PM +0200, Daniel Vetter wrote: > > Now that we unconditionally dtrt when disabling/enabling crtcs we > > don't need any hacks any longer to keep the vblank logic sane when > > all the registers go poof. So let's rip it all out. > > Hmm. drm_update_vblank_count() will now see some kind of diff between > the last and current value when the registers got cloberred. So the > vblank counter reported to userspace will jump. But I guess that's fine > as long as userspace realizes that the counter is not at all reliable > across modesets.
I think that's a fair assumption. Modeset is kind of a heavy operation and I wouldn't expect applications to perform one all that often. That should be even more true of applications that rely on the counters. At least that would be my expectation. Thierry -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 836 bytes Desc: not available URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20140521/e32b4d52/attachment-0001.sig>
