16 #include <drm/clients/drm_client_setup.h>
17 #include <drm/drm_atomic.h>
18 #include <drm/drm_atomic_helper.h>
19 #include <drm/drm_debugfs.h>
20 #include <drm/drm_drv.h>
21 #include <drm/drm_fourcc.h>
22 #include <drm/drm_framebuffer.h>
23 #include <drm/drm_ioctl.h>
24 #include <drm/drm_prime.h>
25 #include <drm/drm_print.h>
26 #include <drm/drm_vblank.h>
33 #include "drm.h"
46 static int tegra_atomic_check(struct drm_device *drm,  in tegra_atomic_check()  argument
51 	err = drm_atomic_helper_check(drm, state);  in tegra_atomic_check()
55 	return tegra_display_hub_atomic_check(drm, state);  in tegra_atomic_check()
64 static void tegra_atomic_post_commit(struct drm_device *drm,  in tegra_atomic_post_commit()  argument
77 	struct drm_device *drm = old_state->dev;  in tegra_atomic_commit_tail()  local
78 	struct tegra_drm *tegra = drm->dev_private;  in tegra_atomic_commit_tail()
83 		drm_atomic_helper_commit_modeset_disables(drm, old_state);  in tegra_atomic_commit_tail()
84 		tegra_display_hub_atomic_commit(drm, old_state);  in tegra_atomic_commit_tail()
85 		drm_atomic_helper_commit_planes(drm, old_state, 0);  in tegra_atomic_commit_tail()
86 		drm_atomic_helper_commit_modeset_enables(drm, old_state);  in tegra_atomic_commit_tail()
89 		drm_atomic_helper_wait_for_vblanks(drm, old_state);  in tegra_atomic_commit_tail()
90 		drm_atomic_helper_cleanup_planes(drm, old_state);  in tegra_atomic_commit_tail()
95 	tegra_atomic_post_commit(drm, old_state);  in tegra_atomic_commit_tail()
103 static int tegra_drm_open(struct drm_device *drm, struct drm_file *filp)  in tegra_drm_open()  argument
129 				       struct drm_device *drm,  in host1x_reloc_copy_from_user()  argument
169 		     struct drm_tegra_submit *args, struct drm_device *drm,  in tegra_drm_submit()  argument
179 	struct host1x *host1x = dev_get_drvdata(drm->dev->parent);  in tegra_drm_submit()
275 						  &user_relocs[num_relocs], drm,  in tegra_drm_submit()
350 static int tegra_gem_create(struct drm_device *drm, void *data,  in tegra_gem_create()  argument
356 	bo = tegra_bo_create_with_handle(file, drm, args->size, args->flags,  in tegra_gem_create()
364 static int tegra_gem_mmap(struct drm_device *drm, void *data,  in tegra_gem_mmap()  argument
384 static int tegra_syncpt_read(struct drm_device *drm, void *data,  in tegra_syncpt_read()  argument
387 	struct host1x *host = dev_get_drvdata(drm->dev->parent);  in tegra_syncpt_read()
399 static int tegra_syncpt_incr(struct drm_device *drm, void *data,  in tegra_syncpt_incr()  argument
402 	struct host1x *host1x = dev_get_drvdata(drm->dev->parent);  in tegra_syncpt_incr()
413 static int tegra_syncpt_wait(struct drm_device *drm, void *data,  in tegra_syncpt_wait()  argument
416 	struct host1x *host1x = dev_get_drvdata(drm->dev->parent);  in tegra_syncpt_wait()
458 static int tegra_open_channel(struct drm_device *drm, void *data,  in tegra_open_channel()  argument
462 	struct tegra_drm *tegra = drm->dev_private;  in tegra_open_channel()
491 static int tegra_close_channel(struct drm_device *drm, void *data,  in tegra_close_channel()  argument
515 static int tegra_get_syncpt(struct drm_device *drm, void *data,  in tegra_get_syncpt()  argument
545 static int tegra_submit(struct drm_device *drm, void *data,  in tegra_submit()  argument
561 	err = context->client->ops->submit(context, args, drm, file);  in tegra_submit()
568 static int tegra_get_syncpt_base(struct drm_device *drm, void *data,  in tegra_get_syncpt_base()  argument
606 static int tegra_gem_set_tiling(struct drm_device *drm, void *data,  in tegra_gem_set_tiling()  argument
659 static int tegra_gem_get_tiling(struct drm_device *drm, void *data,  in tegra_gem_get_tiling()  argument
699 static int tegra_gem_set_flags(struct drm_device *drm, void *data,  in tegra_gem_set_flags()  argument
724 static int tegra_gem_get_flags(struct drm_device *drm, void *data,  in tegra_gem_get_flags()  argument
817 static void tegra_drm_postclose(struct drm_device *drm, struct drm_file *file)  in tegra_drm_postclose()  argument
835 	struct drm_device *drm = node->minor->dev;  in tegra_debugfs_framebuffers()  local
838 	mutex_lock(&drm->mode_config.fb_lock);  in tegra_debugfs_framebuffers()
840 	list_for_each_entry(fb, &drm->mode_config.fb_list, head) {  in tegra_debugfs_framebuffers()
848 	mutex_unlock(&drm->mode_config.fb_lock);  in tegra_debugfs_framebuffers()
856 	struct drm_device *drm = node->minor->dev;  in tegra_debugfs_iova()  local
857 	struct tegra_drm *tegra = drm->dev_private;  in tegra_debugfs_iova()
922 	client->drm = tegra;  in tegra_drm_register_client()
933 	client->drm = NULL;  in tegra_drm_unregister_client()
945 	struct drm_device *drm = dev_get_drvdata(client->host);  in host1x_client_iommu_attach()  local
946 	struct tegra_drm *tegra = drm->dev_private;  in host1x_client_iommu_attach()
993 	struct drm_device *drm = dev_get_drvdata(client->host);  in host1x_client_iommu_detach()  local
994 	struct tegra_drm *tegra = drm->dev_private;  in host1x_client_iommu_detach()
1099 	 * If the Tegra DRM clients are backed by an IOMMU, push buffers are  in host1x_drm_wants_iommu()
1116 	 * Work around this by making sure that Tegra DRM clients only use  in host1x_drm_wants_iommu()
1143 	struct drm_device *drm;  in host1x_drm_probe()  local
1146 	drm = drm_dev_alloc(&tegra_drm_driver, &dev->dev);  in host1x_drm_probe()
1147 	if (IS_ERR(drm))  in host1x_drm_probe()
1148 		return PTR_ERR(drm);  in host1x_drm_probe()
1171 	dev_set_drvdata(&dev->dev, drm);  in host1x_drm_probe()
1172 	drm->dev_private = tegra;  in host1x_drm_probe()
1173 	tegra->drm = drm;  in host1x_drm_probe()
1175 	drm_mode_config_init(drm);  in host1x_drm_probe()
1177 	drm->mode_config.min_width = 0;  in host1x_drm_probe()
1178 	drm->mode_config.min_height = 0;  in host1x_drm_probe()
1179 	drm->mode_config.max_width = 0;  in host1x_drm_probe()
1180 	drm->mode_config.max_height = 0;  in host1x_drm_probe()
1182 	drm->mode_config.normalize_zpos = true;  in host1x_drm_probe()
1184 	drm->mode_config.funcs = &tegra_drm_mode_config_funcs;  in host1x_drm_probe()
1185 	drm->mode_config.helper_private = &tegra_drm_mode_config_helpers;  in host1x_drm_probe()
1187 	drm_kms_helper_poll_init(drm);  in host1x_drm_probe()
1198 	tegra->hmask = drm->mode_config.max_width - 1;  in host1x_drm_probe()
1199 	tegra->vmask = drm->mode_config.max_height - 1;  in host1x_drm_probe()
1242 	drm->max_vblank_count = 0xffffffff;  in host1x_drm_probe()
1244 	err = drm_vblank_init(drm, drm->mode_config.num_crtc);  in host1x_drm_probe()
1248 	drm_mode_config_reset(drm);  in host1x_drm_probe()
1259 	if (drm->mode_config.num_crtc > 0) {  in host1x_drm_probe()
1268 		drm->driver_features &= ~(DRIVER_MODESET | DRIVER_ATOMIC);  in host1x_drm_probe()
1271 	err = drm_dev_register(drm, 0);  in host1x_drm_probe()
1275 	drm_client_setup(drm, NULL);  in host1x_drm_probe()
1292 	drm_kms_helper_poll_fini(drm);  in host1x_drm_probe()
1293 	drm_mode_config_cleanup(drm);  in host1x_drm_probe()
1300 	drm_dev_put(drm);  in host1x_drm_probe()
1306 	struct drm_device *drm = dev_get_drvdata(&dev->dev);  in host1x_drm_remove()  local
1307 	struct tegra_drm *tegra = drm->dev_private;  in host1x_drm_remove()
1310 	drm_dev_unregister(drm);  in host1x_drm_remove()
1312 	drm_kms_helper_poll_fini(drm);  in host1x_drm_remove()
1313 	drm_atomic_helper_shutdown(drm);  in host1x_drm_remove()
1314 	drm_mode_config_cleanup(drm);  in host1x_drm_remove()
1332 	drm_dev_put(drm);  in host1x_drm_remove()
1343 	struct drm_device *drm = dev_get_drvdata(dev);  in host1x_drm_suspend()  local
1345 	return drm_mode_config_helper_suspend(drm);  in host1x_drm_suspend()
1350 	struct drm_device *drm = dev_get_drvdata(dev);  in host1x_drm_resume()  local
1352 	return drm_mode_config_helper_resume(drm);  in host1x_drm_resume()
1404 		.name = "drm",
1458 MODULE_DESCRIPTION("NVIDIA Tegra DRM driver");