21 #include <drm/clients/drm_client_setup.h>
22 #include <drm/drm_atomic_helper.h>
23 #include <drm/drm_bridge.h>
24 #include <drm/drm_connector.h>
25 #include <drm/drm_drv.h>
26 #include <drm/drm_fbdev_dma.h>
27 #include <drm/drm_fourcc.h>
28 #include <drm/drm_gem_dma_helper.h>
29 #include <drm/drm_gem_framebuffer_helper.h>
30 #include <drm/drm_mode_config.h>
31 #include <drm/drm_module.h>
32 #include <drm/drm_of.h>
33 #include <drm/drm_probe_helper.h>
34 #include <drm/drm_vblank.h>
117 	struct drm_device *drm = mxsfb->drm;  in mxsfb_attach_bridge()  local
123 	ret = drm_of_find_panel_or_bridge(drm->dev->of_node, 0, 0, &panel,  in mxsfb_attach_bridge()
129 		bridge = devm_drm_panel_bridge_add_typed(drm->dev, panel,  in mxsfb_attach_bridge()
140 		return dev_err_probe(drm->dev, ret, "Failed to attach bridge\n");  in mxsfb_attach_bridge()
148 	drm_connector_list_iter_begin(drm, &iter);  in mxsfb_attach_bridge()
157 	struct drm_device *drm = data;  in mxsfb_irq_handler()  local
158 	struct mxsfb_drm_private *mxsfb = drm->dev_private;  in mxsfb_irq_handler()
178 static void mxsfb_irq_disable(struct drm_device *drm)  in mxsfb_irq_disable()  argument
180 	struct mxsfb_drm_private *mxsfb = drm->dev_private;  in mxsfb_irq_disable()
209 static int mxsfb_load(struct drm_device *drm,  in mxsfb_load()  argument
212 	struct platform_device *pdev = to_platform_device(drm->dev);  in mxsfb_load()
220 	mxsfb->drm = drm;  in mxsfb_load()
221 	drm->dev_private = mxsfb;  in mxsfb_load()
228 	mxsfb->clk = devm_clk_get(drm->dev, NULL);  in mxsfb_load()
232 	mxsfb->clk_axi = devm_clk_get_optional(drm->dev, "axi");  in mxsfb_load()
236 	mxsfb->clk_disp_axi = devm_clk_get(drm->dev, "disp_axi");  in mxsfb_load()
240 	ret = dma_set_mask_and_coherent(drm->dev, DMA_BIT_MASK(32));  in mxsfb_load()
244 	pm_runtime_enable(drm->dev);  in mxsfb_load()
247 	ret = drmm_mode_config_init(drm);  in mxsfb_load()
249 		dev_err(drm->dev, "Failed to initialize mode config\n");  in mxsfb_load()
255 		dev_err(drm->dev, "Failed to initialize KMS pipeline\n");  in mxsfb_load()
259 	ret = drm_vblank_init(drm, drm->mode_config.num_crtc);  in mxsfb_load()
261 		dev_err(drm->dev, "Failed to initialise vblank\n");  in mxsfb_load()
270 		dev_err_probe(drm->dev, ret, "Cannot connect bridge\n");  in mxsfb_load()
274 	drm->mode_config.min_width	= MXSFB_MIN_XRES;  in mxsfb_load()
275 	drm->mode_config.min_height	= MXSFB_MIN_YRES;  in mxsfb_load()
276 	drm->mode_config.max_width	= MXSFB_MAX_XRES;  in mxsfb_load()
277 	drm->mode_config.max_height	= MXSFB_MAX_YRES;  in mxsfb_load()
278 	drm->mode_config.funcs		= &mxsfb_mode_config_funcs;  in mxsfb_load()
279 	drm->mode_config.helper_private	= &mxsfb_mode_config_helpers;  in mxsfb_load()
281 	drm_mode_config_reset(drm);  in mxsfb_load()
288 	pm_runtime_get_sync(drm->dev);  in mxsfb_load()
289 	ret = mxsfb_irq_install(drm, mxsfb->irq);  in mxsfb_load()
290 	pm_runtime_put_sync(drm->dev);  in mxsfb_load()
293 		dev_err(drm->dev, "Failed to install IRQ handler\n");  in mxsfb_load()
297 	drm_kms_helper_poll_init(drm);  in mxsfb_load()
299 	platform_set_drvdata(pdev, drm);  in mxsfb_load()
301 	drm_helper_hpd_irq_event(drm);  in mxsfb_load()
306 	pm_runtime_disable(drm->dev);  in mxsfb_load()
311 static void mxsfb_unload(struct drm_device *drm)  in mxsfb_unload()  argument
313 	drm_kms_helper_poll_fini(drm);  in mxsfb_unload()
315 	pm_runtime_get_sync(drm->dev);  in mxsfb_unload()
316 	mxsfb_irq_uninstall(drm);  in mxsfb_unload()
317 	pm_runtime_put_sync(drm->dev);  in mxsfb_unload()
319 	drm->dev_private = NULL;  in mxsfb_unload()
321 	pm_runtime_disable(drm->dev);  in mxsfb_unload()
331 	.name	= "mxsfb-drm",
332 	.desc	= "MXSFB Controller DRM",
347 	struct drm_device *drm;  in mxsfb_probe()  local
350 	drm = drm_dev_alloc(&mxsfb_driver, &pdev->dev);  in mxsfb_probe()
351 	if (IS_ERR(drm))  in mxsfb_probe()
352 		return PTR_ERR(drm);  in mxsfb_probe()
354 	ret = mxsfb_load(drm, device_get_match_data(&pdev->dev));  in mxsfb_probe()
367 	ret = drm_dev_register(drm, 0);  in mxsfb_probe()
371 	drm_client_setup(drm, NULL);  in mxsfb_probe()
376 	mxsfb_unload(drm);  in mxsfb_probe()
378 	drm_dev_put(drm);  in mxsfb_probe()
385 	struct drm_device *drm = platform_get_drvdata(pdev);  in mxsfb_remove()  local
387 	drm_dev_unregister(drm);  in mxsfb_remove()
388 	drm_atomic_helper_shutdown(drm);  in mxsfb_remove()
389 	mxsfb_unload(drm);  in mxsfb_remove()
390 	drm_dev_put(drm);  in mxsfb_remove()
395 	struct drm_device *drm = platform_get_drvdata(pdev);  in mxsfb_shutdown()  local
397 	drm_atomic_helper_shutdown(drm);  in mxsfb_shutdown()
403 	struct drm_device *drm = dev_get_drvdata(dev);  in mxsfb_suspend()  local
405 	return drm_mode_config_helper_suspend(drm);  in mxsfb_suspend()
410 	struct drm_device *drm = dev_get_drvdata(dev);  in mxsfb_resume()  local
412 	return drm_mode_config_helper_resume(drm);  in mxsfb_resume()
434 MODULE_DESCRIPTION("Freescale MXS DRM/KMS driver");