[Merge] ~vanvugt/ubuntu/+source/mutter:fix-lp1763892-bionic into ~ubuntu-desktop/ubuntu/+source/mutter:ubuntu/bionic

Daniel van Vugt daniel.van.vugt at canonical.com
Wed Mar 13 08:11:23 UTC 2019


Daniel van Vugt has proposed merging ~vanvugt/ubuntu/+source/mutter:fix-lp1763892-bionic into ~ubuntu-desktop/ubuntu/+source/mutter:ubuntu/bionic.

Commit message:
Remove 60 FPS limitation, thus supporting high frame rates

For Xorg the only fix required was to remove the spurious patch:

  clutter-Smooth-out-master-clock-to-smooth-visuals.patch

which had the effect of imposing a 60 FPS limitation. That patch
never landed upstream.

For Wayland you need both the above fix and the introduction of
hardware vsync support which was upstreamed in mutter 3.32 and is
backported to 3.28 in two commits/patches:

  lp1763892-a-renderer-native-Add-hardware-presentation-timing.patch
  lp1763892-b-renderer-native-Advertise-_FEATURE_SWAP_THROTTLE.patch

https://bugs.launchpad.net/bugs/1763892


Requested reviews:
  Ubuntu Desktop (ubuntu-desktop)
Related bugs:
  Bug #1763892 in mutter (Ubuntu): "144Hz/120Hz monitor but mutter seems to cap rendering at 60FPS"
  https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1763892

For more details, see:
https://code.launchpad.net/~vanvugt/ubuntu/+source/mutter/+git/mutter/+merge/364362
-- 
Your team Ubuntu Desktop is requested to review the proposed merge of ~vanvugt/ubuntu/+source/mutter:fix-lp1763892-bionic into ~ubuntu-desktop/ubuntu/+source/mutter:ubuntu/bionic.
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