14  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
44 static int ast_modeset = -1;
140 	struct device *dev = &pdev->dev;  in ast_detect_chip()
141 	struct device_node *np = dev->of_node;  in ast_detect_chip()
149 	 * Find configuration mode and read SCU revision  in ast_detect_chip()
152 	/* Check if we have device-tree properties */  in ast_detect_chip()
153 	if (np && !of_property_read_u32(np, "aspeed,scu-revision-id", &data)) {  in ast_detect_chip()
157 	} else if (pdev->device == PCI_CHIP_AST2000) { // Not all families have a P2A bridge  in ast_detect_chip()
159 		 * The BMC will set SCU 0x40 D[12] to 1 if the P2 bridge  in ast_detect_chip()
171 			/* Patch AST2500/AST2510 */  in ast_detect_chip()
172 			if ((pdev->revision & 0xf0) == 0x40) {  in ast_detect_chip()
195 		dev_info(dev, "Using device-tree for configuration\n");  in ast_detect_chip()
206 	if (pdev->revision >= 0x50) {  in ast_detect_chip()
209 	} else if (pdev->revision >= 0x40) {  in ast_detect_chip()
216 			chip = AST2500;  in ast_detect_chip()
220 	} else if (pdev->revision >= 0x30) {  in ast_detect_chip()
231 	} else if (pdev->revision >= 0x20) {  in ast_detect_chip()
242 	} else if (pdev->revision >= 0x10) {  in ast_detect_chip()
274 	struct device *dev = &pdev->dev;  in ast_pci_probe()
295 	if (pdev->revision >= 0x40) {  in ast_pci_probe()
297 		 * On AST2500 and later models, MMIO is enabled by  in ast_pci_probe()
303 			return -EIO;  in ast_pci_probe()
304 		if ((len - AST_IO_MM_OFFSET) < AST_IO_MM_LENGTH)  in ast_pci_probe()
305 			return -EIO;  in ast_pci_probe()
314 			return -EIO;  in ast_pci_probe()
325 			return -EIO;  in ast_pci_probe()
326 		if ((len - AST_IO_MM_OFFSET) < AST_IO_MM_LENGTH)  in ast_pci_probe()
327 			return -EIO;  in ast_pci_probe()
360 	ret = drm_dev_register(drm, ent->driver_data);  in ast_pci_probe()
389 	pci_save_state(to_pci_dev(dev->dev));  in ast_drm_freeze()
397 	ast_enable_vga(ast->ioregs);  in ast_drm_thaw()
398 	ast_open_key(ast->ioregs);  in ast_drm_thaw()
399 	ast_enable_mmio(dev->dev, ast->ioregs);  in ast_drm_thaw()
407 	if (pci_enable_device(to_pci_dev(dev->dev)))  in ast_drm_resume()
408 		return -EIO;  in ast_drm_resume()