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Debugfs called i915_drrs_ctl is added to enable and disable the eDP DRRS. Writing 0 will disable the feature, whereas non-zero will enable the feature. Possibility of disabling the DRRS, enables the testing of the frontbuffer tracking based features (FBC, DRRS and PSR) as standalone or any combination of the set. [v2]: ctl interface is moved from module parameter to debugfs [Rodrigo] Signed-off-by: C, Ramalingam <ramalingam.c@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/1510079903-29441-1-git-send-email-ramalingam.c@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.