1 // SPDX-License-Identifier: GPL-2.0-only
152 	int width, height, stride;  in efidrm_device_create()  local
168 	dpy = dev_get_platdata(&pdev->dev);  in efidrm_device_create()
170 		return ERR_PTR(-ENODEV);  in efidrm_device_create()
171 	si = &dpy->screen;  in efidrm_device_create()
174 		return ERR_PTR(-ENODEV);  in efidrm_device_create()
180 	efi = devm_drm_dev_alloc(&pdev->dev, drv, struct efidrm_device, sysfb.dev);  in efidrm_device_create()
183 	sysfb = &efi->sysfb;  in efidrm_device_create()
184 	dev = &sysfb->dev;  in efidrm_device_create()
193 		return ERR_PTR(-EINVAL);  in efidrm_device_create()
194 	width = drm_sysfb_get_width_si(dev, si);  in efidrm_device_create()
195 	if (width < 0)  in efidrm_device_create()
196 		return ERR_PTR(width);  in efidrm_device_create()
202 		return ERR_PTR(-EINVAL);  in efidrm_device_create()
203 	stride = drm_sysfb_get_stride_si(dev, si, format, width, height, resource_size(res));  in efidrm_device_create()
208 		return ERR_PTR(-EINVAL);  in efidrm_device_create()
211 		&format->format, width, height, stride);  in efidrm_device_create()
214 	if (drm_edid_header_is_valid(dpy->edid.dummy) == 8)  in efidrm_device_create()
215 		sysfb->edid = dpy->edid.dummy;  in efidrm_device_create()
217 	sysfb->fb_mode = drm_sysfb_mode(width, height, 0, 0);  in efidrm_device_create()
218 	sysfb->fb_format = format;  in efidrm_device_create()
219 	sysfb->fb_pitch = stride;  in efidrm_device_create()
222 	 * Memory management  in efidrm_device_create()
225 	ret = devm_aperture_acquire_for_platform_device(pdev, res->start, vsize);  in efidrm_device_create()
227 		drm_err(dev, "could not acquire memory range %pr: %d\n", res, ret);  in efidrm_device_create()
231 	drm_dbg(dev, "using I/O memory framebuffer at %pr\n", res);  in efidrm_device_create()
233 	mem = devm_request_mem_region(&pdev->dev, res->start, vsize, drv->name);  in efidrm_device_create()
238 		 * the I/O-memory resource as-is and try to map that instead.  in efidrm_device_create()
240 		drm_warn(dev, "could not acquire memory region %pr\n", res);  in efidrm_device_create()
244 	mem_flags = efidrm_get_mem_flags(dev, res->start, vsize);  in efidrm_device_create()
247 		void __iomem *screen_base = devm_ioremap_wc(&pdev->dev, mem->start,  in efidrm_device_create()
251 			return ERR_PTR(-ENXIO);  in efidrm_device_create()
252 		iosys_map_set_vaddr_iomem(&sysfb->fb_addr, screen_base);  in efidrm_device_create()
254 		void __iomem *screen_base = devm_ioremap(&pdev->dev, mem->start,  in efidrm_device_create()
258 			return ERR_PTR(-ENXIO);  in efidrm_device_create()
259 		iosys_map_set_vaddr_iomem(&sysfb->fb_addr, screen_base);  in efidrm_device_create()
261 		void *screen_base = devm_memremap(&pdev->dev, mem->start,  in efidrm_device_create()
266 		iosys_map_set_vaddr(&sysfb->fb_addr, screen_base);  in efidrm_device_create()
268 		void *screen_base = devm_memremap(&pdev->dev, mem->start,  in efidrm_device_create()
273 		iosys_map_set_vaddr(&sysfb->fb_addr, screen_base);  in efidrm_device_create()
276 		return ERR_PTR(-EINVAL);  in efidrm_device_create()
287 	max_width = max_t(unsigned long, width, DRM_SHADOW_PLANE_MAX_WIDTH);  in efidrm_device_create()
290 	dev->mode_config.min_width = width;  in efidrm_device_create()
291 	dev->mode_config.max_width = max_width;  in efidrm_device_create()
292 	dev->mode_config.min_height = height;  in efidrm_device_create()
293 	dev->mode_config.max_height = max_height;  in efidrm_device_create()
294 	dev->mode_config.preferred_depth = format->depth;  in efidrm_device_create()
295 	dev->mode_config.funcs = &efidrm_mode_config_funcs;  in efidrm_device_create()
299 	nformats = drm_sysfb_build_fourcc_list(dev, &format->format, 1,  in efidrm_device_create()
300 					       efi->formats, ARRAY_SIZE(efi->formats));  in efidrm_device_create()
302 	primary_plane = &efi->primary_plane;  in efidrm_device_create()
304 				       efi->formats, nformats,  in efidrm_device_create()
314 	crtc = &efi->crtc;  in efidrm_device_create()
323 	encoder = &efi->encoder;  in efidrm_device_create()
328 	encoder->possible_crtcs = drm_crtc_mask(crtc);  in efidrm_device_create()
332 	connector = &efi->connector;  in efidrm_device_create()
340 						       width, height);  in efidrm_device_create()
341 	if (sysfb->edid)  in efidrm_device_create()
384 	sysfb = &efi->sysfb;  in efidrm_probe()
385 	dev = &sysfb->dev;  in efidrm_probe()
391 	drm_client_setup(dev, sysfb->fb_format);  in efidrm_probe()
405 		.name = "efi-framebuffer",