27 _resize_bar(struct xe_device *xe, int resno, resource_size_t size)  in _resize_bar()  argument
29 	struct pci_dev *pdev = to_pci_dev(xe->drm.dev);  in _resize_bar()
38 …drm_info(&xe->drm, "Failed to resize BAR%d to %dM (%pe). Consider enabling 'Resizable BAR' support…  in _resize_bar()
43 	drm_info(&xe->drm, "BAR%d resized to %dM\n", resno, 1 << bar_size);  in _resize_bar()
50 static void resize_vram_bar(struct xe_device *xe)  in resize_vram_bar()  argument
53 	struct pci_dev *pdev = to_pci_dev(xe->drm.dev);  in resize_vram_bar()
78 			drm_info(&xe->drm,  in resize_vram_bar()
96 	drm_info(&xe->drm, "Attempting to resize bar from %lluMiB -> %lluMiB\n",  in resize_vram_bar()
109 …drm_info(&xe->drm, "Can't resize VRAM BAR - platform support is missing. Consider enabling 'Resiza…  in resize_vram_bar()
116 	_resize_bar(xe, LMEM_BAR, rebar_size);  in resize_vram_bar()
136 static int determine_lmem_bar_size(struct xe_device *xe)  in determine_lmem_bar_size()  argument
138 	struct pci_dev *pdev = to_pci_dev(xe->drm.dev);  in determine_lmem_bar_size()
141 		drm_err(&xe->drm, "pci resource is not valid\n");  in determine_lmem_bar_size()
145 	resize_vram_bar(xe);  in determine_lmem_bar_size()
147 	xe->mem.vram.io_start = pci_resource_start(pdev, LMEM_BAR);  in determine_lmem_bar_size()
148 	xe->mem.vram.io_size = pci_resource_len(pdev, LMEM_BAR);  in determine_lmem_bar_size()
149 	if (!xe->mem.vram.io_size)  in determine_lmem_bar_size()
153 	xe->mem.vram.dpa_base = 0;  in determine_lmem_bar_size()
156 	xe->mem.vram.mapping = ioremap_wc(xe->mem.vram.io_start, xe->mem.vram.io_size);  in determine_lmem_bar_size()
163 	struct xe_device *xe = gt_to_xe(gt);  in get_flat_ccs_offset()  local
167 	if (GRAPHICS_VER(xe) >= 20) {  in get_flat_ccs_offset()
188 		xe_assert_msg(xe, offset == (xe_mmio_read64_2x32(&gt_to_tile(gt)->mmio, GSMBASE) -  in get_flat_ccs_offset()
221 	struct xe_device *xe = tile_to_xe(tile);  in tile_vram_size()  local
227 	if (IS_SRIOV_VF(xe)) {  in tile_vram_size()
232 		for_each_tile(t, xe, id)  in tile_vram_size()
248 	if (unlikely(xe->info.platform == XE_DG1)) {  in tile_vram_size()
249 		*tile_size = pci_resource_len(to_pci_dev(xe->drm.dev), LMEM_BAR);  in tile_vram_size()
258 	if (xe->info.has_flat_ccs) {  in tile_vram_size()
274 	struct xe_device *xe = arg;  in vram_fini()  local
278 	if (xe->mem.vram.mapping)  in vram_fini()
279 		iounmap(xe->mem.vram.mapping);  in vram_fini()
281 	xe->mem.vram.mapping = NULL;  in vram_fini()
283 	for_each_tile(tile, xe, id)  in vram_fini()
295 int xe_vram_probe(struct xe_device *xe)  in xe_vram_probe()  argument
307 	if (!IS_DGFX(xe))  in xe_vram_probe()
311 	tile = xe_device_get_root_tile(xe);  in xe_vram_probe()
316 	err = determine_lmem_bar_size(xe);  in xe_vram_probe()
320 	drm_info(&xe->drm, "VISIBLE VRAM: %pa, %pa\n", &xe->mem.vram.io_start,  in xe_vram_probe()
321 		 &xe->mem.vram.io_size);  in xe_vram_probe()
323 	io_size = xe->mem.vram.io_size;  in xe_vram_probe()
326 	for_each_tile(tile, xe, id) {  in xe_vram_probe()
332 		tile->mem.vram.io_start = xe->mem.vram.io_start + tile_offset;  in xe_vram_probe()
336 			drm_err(&xe->drm, "Tile without any CPU visible VRAM. Aborting.\n");  in xe_vram_probe()
340 		tile->mem.vram.dpa_base = xe->mem.vram.dpa_base + tile_offset;  in xe_vram_probe()
342 		tile->mem.vram.mapping = xe->mem.vram.mapping + tile_offset;  in xe_vram_probe()
345 			drm_info(&xe->drm, "Small BAR device\n");  in xe_vram_probe()
346 …drm_info(&xe->drm, "VRAM[%u, %u]: Actual physical size %pa, usable size exclude stolen %pa, CPU ac…  in xe_vram_probe()
348 		drm_info(&xe->drm, "VRAM[%u, %u]: DPA range: [%pa-%llx], io range: [%pa-%llx]\n", id, tile->id,  in xe_vram_probe()
356 		if (total_size > xe->mem.vram.io_size) {  in xe_vram_probe()
357 			drm_info(&xe->drm, "VRAM: %pa is larger than resource %pa\n",  in xe_vram_probe()
358 				 &total_size, &xe->mem.vram.io_size);  in xe_vram_probe()
364 	xe->mem.vram.actual_physical_size = total_size;  in xe_vram_probe()
366 	drm_info(&xe->drm, "Total VRAM: %pa, %pa\n", &xe->mem.vram.io_start,  in xe_vram_probe()
367 		 &xe->mem.vram.actual_physical_size);  in xe_vram_probe()
368 	drm_info(&xe->drm, "Available VRAM: %pa, %pa\n", &xe->mem.vram.io_start,  in xe_vram_probe()
371 	return devm_add_action_or_reset(xe->drm.dev, vram_fini, xe);  in xe_vram_probe()