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Zhi Wang 67f1120381 drm/i915/gvt: Introduce per object locking in GVT scheduler.
To support ww locking and per-object implemented in i915, GVT scheduler needs
to be refined. Most of the changes are located in shadow batch buffer, shadow
wa context in GVT-g, where use quite a lot of i915 gem object APIs.

v2:

- Adjust the usage of ww lock on context pin/unpin. (maarten)
- Rebase the patch on the newest staging branch.

Fixes: 6b05030496 ("drm/i915: Convert i915_gem_object/client_blt.c to use ww locking as well, v2.")
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1610314985-26065-1-git-send-email-zhi.wang.linux@gmail.com
Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com>
History 2021-02-22 16:42:14 +08:00
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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.