Daniele Ceraolo Spurio 803efd297e drm/i915/xehp: compute engine pipe_control
CCS will reuse the RCS functions for breadcrumb and flush emission.
However, CCS pipe_control has additional programming restrictions:
 - Command Streamer Stall Enable must be always set
 - Post Sync Operations must not be set to Write PS Depth Count
 - 3D-related bits must not be set

v2:
 - Drop unwanted blank line.  (Lucas)

Bspec: 47112
Cc: Vinay Belgaumkar <vinay.belgaumkar@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Aravind Iddamsetty <aravind.iddamsetty@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220301231549.1817978-5-matthew.d.roper@intel.com
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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.
Description
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