14  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
46 		ast->support_wide_screen = false;  in ast_detect_widescreen()
51 			ast->support_wide_screen = true;  in ast_detect_widescreen()
53 			ast->support_wide_screen = true;  in ast_detect_widescreen()
55 			ast->support_wide_screen = false;  in ast_detect_widescreen()
56 			if (ast->chip == AST1300)  in ast_detect_widescreen()
57 				ast->support_wide_screen = true;  in ast_detect_widescreen()
58 			if (ast->chip == AST1400)  in ast_detect_widescreen()
59 				ast->support_wide_screen = true;  in ast_detect_widescreen()
60 			if (ast->chip == AST2510)  in ast_detect_widescreen()
61 				ast->support_wide_screen = true;  in ast_detect_widescreen()
63 				ast->support_wide_screen = true;  in ast_detect_widescreen()
78 	struct drm_device *dev = &ast->base;  in ast_detect_tx_chip()
83 	 * by the ast driver. If these exist in real-world devices, they  in ast_detect_tx_chip()
97 	ast->tx_chip = AST_TX_NONE;  in ast_detect_tx_chip()
103 	 * Don't make that assumption if we the chip wasn't enabled and  in ast_detect_tx_chip()
104 	 * is at power-on reset, otherwise we'll incorrectly "detect" a  in ast_detect_tx_chip()
110 			ast->tx_chip = AST_TX_SIL164;  in ast_detect_tx_chip()
123 			ast->tx_chip = AST_TX_SIL164;  in ast_detect_tx_chip()
126 			ast->dp501_fw_addr = drmm_kzalloc(dev, 32*1024, GFP_KERNEL);  in ast_detect_tx_chip()
127 			if (ast->dp501_fw_addr) {  in ast_detect_tx_chip()
129 				if (ast_backup_fw(ast, ast->dp501_fw_addr, 32*1024)) {  in ast_detect_tx_chip()
130 					drmm_kfree(dev, ast->dp501_fw_addr);  in ast_detect_tx_chip()
131 					ast->dp501_fw_addr = NULL;  in ast_detect_tx_chip()
136 			ast->tx_chip = AST_TX_DP501;  in ast_detect_tx_chip()
144 				ast->tx_chip = AST_TX_ASTDP;  in ast_detect_tx_chip()
148 	drm_info(dev, "Using %s\n", info_str[ast->tx_chip]);  in ast_detect_tx_chip()
153 	struct drm_device *dev = &ast->base;  in ast_get_dram_info()
154 	struct device_node *np = dev->dev->of_node;  in ast_get_dram_info()
158 	switch (ast->config_mode) {  in ast_get_dram_info()
164 		if (of_property_read_u32(np, "aspeed,mcr-configuration",  in ast_get_dram_info()
167 		if (of_property_read_u32(np, "aspeed,mcr-scu-mpll",  in ast_get_dram_info()
170 		if (of_property_read_u32(np, "aspeed,mcr-scu-strap",  in ast_get_dram_info()
183 		ast->dram_bus_width = 16;  in ast_get_dram_info()
184 		ast->dram_type = AST_DRAM_1Gx16;  in ast_get_dram_info()
186 			ast->mclk = 800;  in ast_get_dram_info()
188 			ast->mclk = 396;  in ast_get_dram_info()
193 		ast->dram_bus_width = 16;  in ast_get_dram_info()
195 		ast->dram_bus_width = 32;  in ast_get_dram_info()
200 			ast->dram_type = AST_DRAM_1Gx16;  in ast_get_dram_info()
204 			ast->dram_type = AST_DRAM_2Gx16;  in ast_get_dram_info()
207 			ast->dram_type = AST_DRAM_4Gx16;  in ast_get_dram_info()
210 			ast->dram_type = AST_DRAM_8Gx16;  in ast_get_dram_info()
216 			ast->dram_type = AST_DRAM_512Mx16;  in ast_get_dram_info()
220 			ast->dram_type = AST_DRAM_1Gx16;  in ast_get_dram_info()
223 			ast->dram_type = AST_DRAM_2Gx16;  in ast_get_dram_info()
226 			ast->dram_type = AST_DRAM_4Gx16;  in ast_get_dram_info()
233 			ast->dram_type = AST_DRAM_512Mx16;  in ast_get_dram_info()
237 				ast->dram_type = AST_DRAM_1Gx16;  in ast_get_dram_info()
239 				ast->dram_type = AST_DRAM_512Mx32;  in ast_get_dram_info()
242 			ast->dram_type = AST_DRAM_1Gx32;  in ast_get_dram_info()
267 	ast->mclk = ref_pll * (num + 2) / ((denum + 2) * (div * 1000));  in ast_get_dram_info()
273 				     enum ast_chip chip,  in ast_device_create()  argument
283 	ast = devm_drm_dev_alloc(&pdev->dev, drv, struct ast_device, base);  in ast_device_create()
286 	dev = &ast->base;  in ast_device_create()
288 	ast->chip = chip;  in ast_device_create()
289 	ast->config_mode = config_mode;  in ast_device_create()
290 	ast->regs = regs;  in ast_device_create()
291 	ast->ioregs = ioregs;  in ast_device_create()
301 		 ast->mclk, ast->dram_type, ast->dram_bus_width);  in ast_device_create()
311 	ast->dp501_fw_buf = NULL;  in ast_device_create()
312 	if (ast->vram_size < pci_resource_len(pdev, 0)) {  in ast_device_create()
313 		ast->dp501_fw_buf = pci_iomap_range(pdev, 0, ast->vram_size, 0);  in ast_device_create()
314 		if (!ast->dp501_fw_buf)  in ast_device_create()