Graphics: Nouveau, Wayland's Weston and Libinput
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The Open-Source NVIDIA "Nouveau" Driver Gets A Batch Of Fixes For Linux 5.3
Originally on Thursday was finally the Nouveau-next 5.3 pull request that offered improvements to the display color management, fixes to Secure Boot on newer hardware, and Turing TU116 mode-setting support. But that was rejected by the DRM maintainers for being way too late as usually the cut-off for new feature material is when hitting RC6 on the previous cycle, just not days before the end of the current merge window. Not that those changes were all too exciting or notable, but this pushes back the color management and other work to Linux 5.4.
Nouveau DRM maintainer Ben Skeggs of Red Hat as a result today sent in Nouveau-fixes 5.3. This pull request has support still for the TU116 GPU since that shouldn't regress any existing support as well as having fixes around KMS, a memory leak, and a few other basic fixes.
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Wayland's Weston Lands A Pipewire Plug-In As New Remote Desktop Streaming Option
Wayland's Weston compositor for the past year has provided a remoting plug-in for virtual output streaming that was built atop RTP/GStreamer. Now though a new plug-in has landed in the Weston code-base making use of Red Hat's promising PipeWire project.
The PipeWire plug-in was merged into Weston today and is similar to the GStreamer-powered remoting plug-in but instead leverages PipeWire. The compositor's frames are exported to PipeWire and the same virtual output API is shared between these plug-ins. The virtual outputs can be configured using the weston.ini configuration file. Any PipeWire client in turn can read these frames.
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Libinput 1.14 RC Arrives With Better Thumb Detection & Dell Canvas Totem Support
Linux input expert Peter Hutterer of Red Hat shipped the much anticipated release candidate today for libinput 1.14, the open-source input handling library used by both X.Org and Wayland systems.
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libinput 1.13.901
The first RC for libinput 1.14 is now available. We have new and improved thumb detection for touchpads, thanks to Matt Mayfield. On Clickpad devices this should make interactions where a thumb is resting on the touchpad or dropped during an interaction more reliable. A summary of the changes can be found here: https://who-t.blogspot.com/2019/07/libinputs-new-thumb-detection-code.html The Dell Canvas Totem is now supported by libinput. It is exposed as a new tool type through the tablet interface along with two new axes. Note that this is only low-level support, the actual integration of the totem needs Wayland protocol changes and significant changes in all applications that want to make use of it. A summary of the changes can be found here: https://who-t.blogspot.com/2019/06/libinput-and-dell-canvas-totem.html Touch-capable tablets now tie both devices together for rotation. If you set the tablet to left-handed, the touchpad will be rotated along with the tablet. Note that this does not affect the left-handed-ness of the touchpad, merely the rotation. Tablet proximity out handling for tablets that are unreliably sending proximity out events is now always timeout-based. It is no longer necessary to add per-device quirks to enable this feature and it is completely transparent on devices that work correctly anyway. A summar of the changes can be found here: https://who-t.blogspot.com/2019/06/libinput-and-tablet-proximity-handling.html Tablets that send duplicate tools (BTN_TOOL_PEN and BTN_TOOL_ERASER) now ignore the latter. This is an intermediate fix only but at least makes those tablets more usable than they are now. Issue #259 is the tracker for this particular behaviour if you are affected by it. The handling of kernel fuzz has been slightly improved. Where our udev rule fails to reset the fuzz on the kernel device, we disable the hysteresis and rely on the kernel now to handle it. Previously our hysteresis would take effect on top of the kernel's, causing nonresponsive behaviour. Note to distribitors: the python-evdev dependency has been dropped, the tools that used it are now using python-libevdev instead. And of course a random assortment of fixes, improvements, etc. Many thanks to all contributors and testers. As usual, the git shortlog is below.
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