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[ Upstream commitf228af11df] We need to set it to the most recent completed fence, not the most recent submitted. Otherwise we have races where we think we can retire submits that the GPU is not finished with, if the GPU doesn't manage to overwrite the seqno before we look at it. This can show up with hang recovery if one of the submits after the crashing submit also hangs after it is replayed. Fixes:f97decac5f("drm/msm: Support multiple ringbuffers") Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org> Signed-off-by: Rob Clark <robdclark@chromium.org> Signed-off-by: Sasha Levin <sashal@kernel.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.