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Like DG2, MTL a-step hardware is subject to Wa_16014892111 which requires that any changes made to the DRAW_WATERMARK register be done via an INDIRECT_CTX batch buffer rather than through a regular context workaround. The bspec gives the same non-default recommended tuning value for DRAW_WATERMARK as DG2, so we can re-use the INDIRECT_CTX code to apply that tuning setting on A-step hardware. Application of the tuning setting on B-step and later does not need INDIRECT_CTX handling and is already done in mtl_ctx_workarounds_init() as usual. v2: Limit the WA for A-step v3: Update the commit message. v4: Reorder platform checks and update commit message. Bspec: 68331 Cc: Haridhar Kalvala <haridhar.kalvala@intel.com> Cc: Gustavo Sousa <gustavo.sousa@intel.com> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230517233111.297542-2-radhakrishna.sripada@intel.com
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.