On Tue, 8 Sep 2015 22:52:51 -0700 Bryce Harrington <[email protected]> wrote:
> On Mon, Sep 07, 2015 at 04:42:16PM +0300, Pekka Paalanen wrote: > > On Mon, 7 Sep 2015 15:36:35 +0200 > > Giulio Camuffo <[email protected]> wrote: > > > > > 2015-09-07 16:27 GMT+03:00 Pekka Paalanen <[email protected]>: > > > > From: Pekka Paalanen <[email protected]> > > > > > > > > This reverts commit 6858383d51b12632481370fdc7d886a1e6bb4ebd. > > > > > > > > The main reason for the original patch was a regression on the Intel > > > > drivers causing compositor framerate to drop to half during cursor > > > > updates or motion. The Intel problem was fixed in > > > > https://github.com/torvalds/linux/commit/2e7f43c41c042d6fed4d67aceeaae32d8f102e98 > > > > The fix is included in Linux 4.1-rc6 and 4.0.5. > > > > > > Yeah, it seems to be fixed indeed. > > > > > > Reviewed-by: Giulio Camuffo <[email protected]> > > > > Bryce, would it be ok to get this in for -rc? > > Since this re-enables lower level functionality, this feels like that > type of change that potentially could reveal unexpected side effects > (particularly if no one's run with this change on the newer kernels > yet.) > > However, there are still a couple weeks ahead of us, so if there are > side effects there's likely a good chance of discovering them still > pre-release. > > So... if we can get at least one Tested-by, I'd be ok with landing this > for -rc, and just be attentive to any problems that crop up. I tested this while checking if cursor motion without a cursor plane causes extra texture uploads on gl-renderer (it does not, but weston_surface_damage() *is* still not right), but since it's my patch, another vote would be nice. I'm on a 3.15 kernel atm. so I haven't seen the original problem to begin with. So yeah, let's get a Tested-by. Thanks, pq
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