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Changbin Du ffe2a503b0 drm/i915/gvt: Reduce rcs mocs switch latency
Use I915_WRITE_FW instead of I915_WRITE to reduce overhead.
The overall mmio switch latency lowers from ~600us to ~180us.

Signed-off-by: Changbin Du <changbin.du@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
2017-11-16 11:48:33 +08:00
arch Merge airlied/drm-next into drm-intel-next-queued 2017-11-14 07:43:00 -08:00
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drivers drm/i915/gvt: Reduce rcs mocs switch latency 2017-11-16 11:48:33 +08:00
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include Merge airlied/drm-next into drm-intel-next-queued 2017-11-14 07:43:00 -08:00
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sound Merge branch 'linus-4.14-rc4-acp-prereq' of git://people.freedesktop.org/~agd5f/linux into drm-next 2017-11-14 05:53:39 +10:00
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MAINTAINERS MAINTAINERS: Update gvt-linux.git new repo place 2017-11-16 11:48:33 +08:00
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Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

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.