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6db40ec80f
Add a subslice stride calculation when setting subslices. This
aligns more closely with the userspace expectation of the subslice
mask structure.
v2: Use local variable for subslice_mask on HSW and
clean up a few other subslice_mask local variable
changes
v3: Add GEM_BUG_ON for ss_stride to prevent array overflow (Chris)
Split main set function and refactors in intel_device_info.c
into separate patches (Chris)
v4: Reduce ss_stride size check when setting subslices per slice
based on actual expected max stride (Chris)
Move that GEM_BUG_ON check for the ss_stride out to the patch
which adds the ss_stride
v5: Use memcpy instead of looping through each stride index
Signed-off-by: Stuart Summers <stuart.summers@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190823160307.180813-8-stuart.summers@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.