Display is turned off by i915_drm_suspend() during the suspend procedure, removing the last reference of some gem objects that were used by display. The issue is that those objects are only actually freed when mm.free_work executed and that can happen very late in the suspend process causing issues. So here draining all freed objects released by display fixing suspend issues. Signed-off-by: José Roberto de Souza <jose.souza@intel.com> Reviewed-by: Matt Atwood <matthew.s.atwood@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220629134721.48375-1-jose.souza@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.
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