cdb1013808
Recent PMFW have the capability that can force flush the FIFO contents to DRAM on sending a command id via the mailbox. Add this support to the driver. Co-developed-by: Sanket Goswami <Sanket.Goswami@amd.com> Signed-off-by: Sanket Goswami <Sanket.Goswami@amd.com> Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Link: https://lore.kernel.org/r/20230910142034.2967110-1-Shyam-sundar.S-k@amd.com [ij: Corrected whitespace in dev_dbg_once()] Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>