commit a829f033e966d5e4aa27c3ef2b381f51734e4a7f upstream. Commit 311a50e76a33 ("drm/i915: Add support for mandatory cmdparsing") introduced mandatory command parsing but setup failures were not translated into wedging the GPU which was probably the intent. Possible errors come in two categories. Either the sanity check on internal tables has failed, which should be caught in CI unless an affected platform would be missed in testing; or memory allocation failure happened during driver load, which should be extremely unlikely but for correctness should still be handled. v2: * Tidy coding style. (Chris) [airlied: cherry-picked to avoid rc1 base] Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Fixes: 311a50e76a33 ("drm/i915: Add support for mandatory cmdparsing") Cc: Jon Bloomfield <jon.bloomfield@intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Chris Wilson <chris.p.wilson@intel.com> Reviewed-by: Chris Wilson <chris.p.wilson@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210302114213.1102223-1-tvrtko.ursulin@linux.intel.com (cherry picked from commit 5a1a659762d35a6dc51047c9127c011303c77b7f) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.
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