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On CNL B0 stepping GAM is not able to detect some deadlock condition and then rise the rise the gam_coh_flush. WA database and spec both mentions to set 4AB8[24]=1 as workaround. Although register offset 0x4AB8 is not documented for any platform. References: HSD#1945815, BSID#1112 Cc: Mika Kuoppala <mika.kuoppala@intel.com> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170829230751.21047-1-rodrigo.vivi@intel.com
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.