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88a83f3c2d
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Chris Wilson 88a83f3c2d drm/i915: Only reset seqno if actually idle 
Before we can reset the seqno, we have to be sure the engines are idle.
In debugfs/i915_drop_caches_set, we do wait_for_idle but allow ourselves
to be interrupted. We should only proceed to reset the seqno then if we
were not interrupted, and so also avoid overwriting the error status.

References: https://bugs.freedesktop.org/show_bug.cgi?id=108133
Fixes: 6b048706f4 ("drm/i915: Forcibly flush unwanted requests in drop-caches")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181004082119.24970-1-chris@chris-wilson.co.uk
2018-10-05 11:49:10 +01:00
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Documentation Merge branch 'drm-next-4.20' of git://people.freedesktop.org/~agd5f/linux into drm-next 2018-09-21 09:52:53 +10:00
drivers drm/i915: Only reset seqno if actually idle 2018-10-05 11:49:10 +01:00
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include drm/i915: Remove i915.enable_ppgtt override 2018-09-27 12:05:31 +01:00
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tools drm-misc-next for 4.20: 2018-09-07 10:44:35 +10:00
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MAINTAINERS MAINTAINERS: rcar-du: Add co-maintainer 2018-09-14 13:54:00 +03:00
Makefile
README

README 

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.
See Documentation/00-INDEX for a list of what is contained in each file.

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.