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3526b607b0
The i915_ttm_accel_move() function may return error codes that should be propagated further up the stack rather than consumed assuming that the accel move failed and could be replaced with a memcpy move. For -EINTR, -ERESTARTSYS and -EAGAIN, just propagate those codes, rather than retrying with a memcpy move. Fixes:2b0a750caf("drm/i915/ttm: Failsafe migration blits") Cc: Matthew Auld <matthew.auld@intel.com> Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220201070340.16457-1-thomas.hellstrom@linux.intel.com (cherry picked from commit29b9702ffe) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@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.