Chris Wilson 41f0bc49f7 drm/i915/selftests: Hold request reference over waits
Take a reference on the request before submitting it to the HW and then
waiting on it for selftest_workarounds. Once submitted, the request may
be freed by a background worker, unless we take an extra reference for
ourselves.

References: https://bugs.freedesktop.org/show_bug.cgi?id=111926
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191009061759.3189-1-chris@chris-wilson.co.uk
2019-10-09 08:58:39 +01:00
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Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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