29 	struct xe_tile *tile;  in tiles_fini()  local
32 	for_each_remote_tile(tile, xe, id)  in tiles_fini()
33 		tile->mmio.regs = NULL;  in tiles_fini()
37  * On multi-tile devices, partition the BAR space for MMIO on each tile,
51 	struct xe_tile *tile;  in mmio_multi_tile_setup()  local
56 	 * Nothing to be done as tile 0 has already been setup earlier with the  in mmio_multi_tile_setup()
62 	/* Possibly override number of tile based on configuration register */  in mmio_multi_tile_setup()
69 		 * Although the per-tile mmio regs are not yet initialized, this  in mmio_multi_tile_setup()
83 			 * should be impossible with multi-tile for now:  in mmio_multi_tile_setup()
84 			 * multi-tile platform with standalone media doesn't  in mmio_multi_tile_setup()
92 	for_each_tile(tile, xe, id) {  in mmio_multi_tile_setup()
93 		tile->mmio.size = tile_mmio_size;  in mmio_multi_tile_setup()
94 		tile->mmio.regs = regs;  in mmio_multi_tile_setup()
100  * On top of all the multi-tile MMIO space there can be a platform-dependent
101  * extension for each tile, resulting in a layout like below:
115  * Set up the tile[]->mmio_ext pointers/sizes.
120 	struct xe_tile *tile;  in mmio_extension_setup()  local
128 	for_each_tile(tile, xe, id) {  in mmio_extension_setup()
129 		tile->mmio_ext.size = tile_mmio_ext_size;  in mmio_extension_setup()
130 		tile->mmio_ext.regs = regs;  in mmio_extension_setup()
164 	 * The first 16MB of the BAR, belong to the root tile, and include:  in xe_mmio_init()
174 	/* Setup first tile; other tiles (if present) will be setup later. */  in xe_mmio_init()
184 	struct xe_tile *tile = gt_to_tile(gt);  in mmio_flush_pending_writes()  local
187 	if (tile->xe->info.platform != XE_LUNARLAKE)  in mmio_flush_pending_writes()
192 		writel(0, tile->mmio.regs + DUMMY_REG_OFFSET);  in mmio_flush_pending_writes()
197 	struct xe_tile *tile = gt_to_tile(gt);  in xe_mmio_read8()  local
204 	val = readb((reg.ext ? tile->mmio_ext.regs : tile->mmio.regs) + addr);  in xe_mmio_read8()
212 	struct xe_tile *tile = gt_to_tile(gt);  in xe_mmio_read16()  local
219 	val = readw((reg.ext ? tile->mmio_ext.regs : tile->mmio.regs) + addr);  in xe_mmio_read16()
227 	struct xe_tile *tile = gt_to_tile(gt);  in xe_mmio_write32()  local
235 		writel(val, (reg.ext ? tile->mmio_ext.regs : tile->mmio.regs) + addr);  in xe_mmio_write32()
240 	struct xe_tile *tile = gt_to_tile(gt);  in xe_mmio_read32()  local
250 		val = readl((reg.ext ? tile->mmio_ext.regs : tile->mmio.regs) + addr);  in xe_mmio_read32()