renesas/rz-du/rzg2l_du_drv.c

1 // SPDX-License-Identifier: GPL-2.0+
10 #include <linux/dma-mapping.h>
24 /* -----------------------------------------------------------------------------
53 	{ .compatible = "renesas,r9a07g043u-du", .data = &rzg2l_du_r9a07g043u_info },
54 	{ .compatible = "renesas,r9a07g044-du", .data = &rzg2l_du_r9a07g044_info },
73 /* -----------------------------------------------------------------------------
83 	.name			= "rzg2l-du",
90 /* -----------------------------------------------------------------------------
97 	struct drm_device *ddev = &rcdu->ddev;  in rzg2l_du_remove()
109 	drm_atomic_helper_shutdown(&rcdu->ddev);  in rzg2l_du_shutdown()
118 		return -ENODEV;  in rzg2l_du_probe()
121 	rcdu = devm_drm_dev_alloc(&pdev->dev, &rzg2l_du_driver,  in rzg2l_du_probe()
126 	rcdu->dev = &pdev->dev;  in rzg2l_du_probe()
127 	rcdu->info = of_device_get_match_data(rcdu->dev);  in rzg2l_du_probe()
132 	rcdu->mmio = devm_platform_ioremap_resource(pdev, 0);  in rzg2l_du_probe()
133 	if (IS_ERR(rcdu->mmio))  in rzg2l_du_probe()
134 		return PTR_ERR(rcdu->mmio);  in rzg2l_du_probe()
136 	ret = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));  in rzg2l_du_probe()
147 		if (ret != -EPROBE_DEFER)  in rzg2l_du_probe()
148 			dev_err(&pdev->dev,  in rzg2l_du_probe()
157 	ret = drm_dev_register(&rcdu->ddev, 0);  in rzg2l_du_probe()
161 	drm_info(&rcdu->ddev, "Device %s probed\n", dev_name(&pdev->dev));  in rzg2l_du_probe()
163 	drm_fbdev_dma_setup(&rcdu->ddev, 32);  in rzg2l_du_probe()
168 	drm_kms_helper_poll_fini(&rcdu->ddev);  in rzg2l_du_probe()
177 		.name	= "rzg2l-du",