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[Why] drm_sched_entity_add_dependency_cb ignores the scheduled fence and return false. If entity's dependency is a scheduler error fence and drm_sched_stop is called due to TDR, drm_sched_entity_pop_job will wait for the dependency infinitely. [How] Do not wait or ignore the scheduled error fence, add drm_sched_entity_wakeup callback for the dependency with scheduled error fence. Signed-off-by: ZhenGuo Yin <zhenguo.yin@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.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.