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drm/doc: Document feature merge deadlines

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The discussion pretty much concluded without objections, let's
document what we agreed on.

Cc'ing linux-doc for the new tag in Documentation/process/index.rst.

Acked-by: Dave Airlie <airlied@gmail.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: Dave Airlie <airlied@gmail.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Alex Deucher <alexdeucher@gmail.com>
Cc: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170321155228.30287-1-daniel.vetter@ffwll.ch
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Daniel Vetter 2017-03-21 16:52:28 +01:00
parent 6a0f9ebfc5
commit eadf71cd8c
2 changed files with 26 additions and 0 deletions
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25
Documentation/gpu/introduction.rst
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@ -60,3 +60,28 @@ checkpatch or sparse. We welcome such contributions.
Anyone looking to kick it up a notch can find a list of janitorial tasks on
the :ref:`TODO list <todo>`.
Contribution Process
====================
Mostly the DRM subsystem works like any other kernel subsystem, see :ref:`the
main process guidelines and documentation <process_index>` for how things work.
Here we just document some of the specialities of the GPU subsystem.
Feature Merge Deadlines
-----------------------
All feature work must be in the linux-next tree by the -rc6 release of the
current release cycle, otherwise they must be postponed and can't reach the next
merge window. All patches must have landed in the drm-next tree by latest -rc7,
but if your branch is not in linux-next then this must have happened by -rc6
already.
After that point only bugfixes (like after the upstream merge window has closed
with the -rc1 release) are allowed. No new platform enabling or new drivers are
allowed.
This means that there's a blackout-period of about one month where feature work
can't be merged. The recommended way to deal with that is having a -next tree
that's always open, but making sure to not feed it into linux-next during the
blackout period. As an example, drm-misc works like that.

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Documentation/process/index.rst
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@ -3,6 +3,7 @@
\renewcommand\thesection*
\renewcommand\thesubsection*
.. _process_index:
Working with the kernel development community
=============================================