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25112b64b3
Make i915_gem_wait_for_idle() be a little heavier in order to try and guarantee that the GPU is indeed idle (by checking each engine individually is idle, i.e. all writes are complete and the rings stopped) after waiting for in-flight requests to be completed. v2: And return the final error. v3: Break the wait_for() out from under the WARN -- the macro expansion is hideous and unreadable in the warning message v4: If wait_for_engine() fails the result is catastrophic, mark the device as wedged and wait for the repair team. References: https://bugs.freedesktop.org/show_bug.cgi?id=98836 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: http://patchwork.freedesktop.org/patch/msgid/20170330145041.9005-4-chris@chris-wilson.co.uk Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> |
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| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.