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2a39b072ee
The workaround to disable coarse power gating is still needed on SKL GT3/GT4 machines and since the RC6 context corruption was discovered by the hardware team also on all GEN9 machines. Restore applying the workaround. Fixes:c113236718("drm/i915: Extract GT render sleep (rc6) management") Testcase: igt/intel_gt_pm_late_selftests/live_rc6_ctx Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Andi Shyti <andi.shyti@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20191114152621.7235-1-imre.deak@intel.com (cherry picked from commit980f87a2ed) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.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.