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Validate the compliance test link parameters when the compliance test dpcd registers are read. Also validate them in compute_config before using them since the max values might have been reduced due to link training fallback. If either the link rate or lane count is invalid, we still bail from using the test parameters since the combination would not work and instead use the fallback values. v2: * Added commit message to explain why we still bail when either of of the params is invalid (Ville Syrjala) * Add reason for validating in the comment (Jani Nikula) * Also check if index >= 0 after validating (Jani Nikula) Signed-off-by: Manasi Navare <manasi.d.navare@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Ville Syrjala <ville.syrjala@linux.intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Tested-by: Nathan Ciobanu <nathan.d.ciobanu@linux.intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/1496954463-18038-2-git-send-email-manasi.d.navare@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.