svn commit: r49856 - head/en_US.ISO8859-1/htdocs/news/status
Benjamin Kaduk <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.cvs.doc |
|---|---|
| Message-ID | <[email protected]> |
Author: bjk
Date: Sun Jan 15 04:50:19 2017
New Revision: 49856
URL: https://svnweb.freebsd.org/changeset/doc/49856
Log:
Add 2016Q4 Graphics entry from Matthew Macy
Modified:
head/en_US.ISO8859-1/htdocs/news/status/report-2016-10-2016-12.xml
Modified: head/en_US.ISO8859-1/htdocs/news/status/report-2016-10-2016-12.xml
==============================================================================
--- head/en_US.ISO8859-1/htdocs/news/status/report-2016-10-2016-12.xml Sun Jan 15 02:55:29 2017 (r49855)
+++ head/en_US.ISO8859-1/htdocs/news/status/report-2016-10-2016-12.xml Sun Jan 15 04:50:19 2017 (r49856)
@@ -1099,4 +1099,73 @@
The &os; Foundation
</sponsor>
</project>
+
+ <project cat='proj'>
+ <title>The Graphics Stack on &os;</title>
+
+ <contact>
+ <person>
+ <name>&os; Graphics Team</name>
+ <email>[email protected]</email>
+ </person>
+
+ <person>
+ <name>
+ <given>Matthew</given>
+ <common>Macy</common>
+ </name>
+ <email>[email protected]</email>
+ </person>
+ </contact>
+
+ <links>
+ <url href="https://wiki.FreeBSD.org/Graphics">Graphics Stack Roadmap and Supported Hardware Matrix</url>
+ <url href="https://github.com/FreeBSDDesktop/freebsd-base-graphics">GitHub Repository</url>
+ <url href="https://github.com/FreeBSD/freebsd-ports-graphics">Ports Development Repository</url>
+ <url href="https://github.com/FreeBSDDesktop/libudev-devd">Fork of libudevd-devd Shim</url>
+ <url href="https://planet.FreeBSD.org/graphics">Graphics Team Blog</url>
+ </links>
+
+ <body>
+ <p>Good progress on graphics support was made during the weeks
+ around Christmas and the new year with the import of Linux's 4.9
+ DRM for <tt>i915</tt> and <tt>amdgpu</tt> into the drm-next
+ branch of the github repository. The <tt>amdgpu</tt> KMS
+ driver is already somewhat usable, with a few major known issues
+ remaining. It now supports GPUs as far back as Southern Islands
+ and up to Polaris. The 4.9 update also appears to have fixed a
+ regression in <tt>i915</tt> that was introduced by the 4.8 merge
+ late this past summer. The drm-next branch now supports the
+ Intel integrated graphics unit up to Kaby Lake CPUs. To
+ facilitate out-of-the-box support on CURRENT, most of the
+ branch-local VM changes were reverted and the graphics fault
+ routines converted to use pg_populate. This new interface is the
+ source of a couple of regressions causing panics on i915 and
+ severe artifacts with amdgpu on integrated GPUs. Mark Johnston
+ (markj@) has volunteered to analyze these issues. Please show
+ your support and encouragement to Mark for helping to move this
+ project towards the finish line.</p>
+
+ <p>The xserver-mesa-next-udev branch was created for the ports
+ development repository, and holds Mesa 13.0 and fixes for
+ newer AMD GPUs. It uses a fork of the libudev-devd shim, also
+ bringing Mesa closer to Linux upstream. I plan to keep
+ updating <tt>drm</tt> and <tt>amdgpu</tt> (for use on my
+ desktop and potentially longer term for GPGPU computations) as
+ well as work with Mark to address the existing bugs in
+ <tt>i915</tt> (assuming that two new porters are approved).
+ However, the Linux <tt>i915</tt> developers seems to
+ aggressively explore the space of possible implementations and
+ use of Linux internal APIs, making it prohibitively time
+ consuming to track upstream. I am helping someone to learn the
+ ropes of how to replay a subset of changes from a Linux
+ release into &os; in the hope that he will take over the
+ mantle of drm-next <tt>i915</tt> maintainer. Assuming the
+ issues listed above are addressed, a port of the linuxkpi,
+ DRM, and KMS drivers for use on standard amd64 CURRENT
+ installations is planned. Together with upgrades to the
+ relevant graphics ports, this will provide experimental
+ support for new AMD and Intel GPUs.</p>
+ </body>
+ </project>
</report>
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