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c7538f3385
Snapshots of the graphics sysfs knobs are taken based on file descriptors. To optimize this process, open the files and cache the file descriptors during the graphics probe phase. As a result, the previously cached pathnames become redundant and are removed. This change aims to streamline the code without altering its functionality. No functional change intended. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>