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- Allocate DMA mapped buffer from DCE-KMD and pass it to DCE FW through admin-cmd calls. - Add debugfs node to retrieve buffer data and print through seq file. - Add support to clear log buffer JIRA TDS-15963 Change-Id: Ied4ffe1df14c8db61cfe15e6442f55e8306530b8 Signed-off-by: jaiyasha <jaiyasha@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3117241 GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com> Reviewed-by: Mahesh Kumar <mahkumar@nvidia.com> Tested-by: Mahesh Kumar <mahkumar@nvidia.com> Reviewed-by: Vinod Gopalakrishnakurup <vinodg@nvidia.com>