From: Thierry Reding treding@nvidia.com
The DRM core can now cope with drivers that don't have an associated struct drm_bus, so the host1x implementation is no longer useful.
Signed-off-by: Thierry Reding treding@nvidia.com --- drivers/gpu/drm/tegra/Makefile | 1 - drivers/gpu/drm/tegra/bus.c | 64 ------------------------------------------ drivers/gpu/drm/tegra/drm.c | 35 +++++++++++++++++++---- drivers/gpu/drm/tegra/drm.h | 4 --- 4 files changed, 30 insertions(+), 74 deletions(-) delete mode 100644 drivers/gpu/drm/tegra/bus.c
diff --git a/drivers/gpu/drm/tegra/Makefile b/drivers/gpu/drm/tegra/Makefile index d43f21bb4596..2c66a8db9da4 100644 --- a/drivers/gpu/drm/tegra/Makefile +++ b/drivers/gpu/drm/tegra/Makefile @@ -1,7 +1,6 @@ ccflags-$(CONFIG_DRM_TEGRA_DEBUG) += -DDEBUG
tegra-drm-y := \ - bus.o \ drm.o \ gem.o \ fb.o \ diff --git a/drivers/gpu/drm/tegra/bus.c b/drivers/gpu/drm/tegra/bus.c deleted file mode 100644 index b3a66d65cb53..000000000000 --- a/drivers/gpu/drm/tegra/bus.c +++ /dev/null @@ -1,64 +0,0 @@ -/* - * Copyright (C) 2013 NVIDIA Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include "drm.h" - -static int drm_host1x_set_busid(struct drm_device *dev, - struct drm_master *master) -{ - const char *device = dev_name(dev->dev); - const char *bus = dev->dev->bus->name; - - master->unique_len = strlen(bus) + 1 + strlen(device); - master->unique_size = master->unique_len; - - master->unique = kmalloc(master->unique_len + 1, GFP_KERNEL); - if (!master->unique) - return -ENOMEM; - - snprintf(master->unique, master->unique_len + 1, "%s:%s", bus, device); - - return 0; -} - -static struct drm_bus drm_host1x_bus = { - .set_busid = drm_host1x_set_busid, -}; - -int drm_host1x_init(struct drm_driver *driver, struct host1x_device *device) -{ - struct drm_device *drm; - int ret; - - driver->bus = &drm_host1x_bus; - - drm = drm_dev_alloc(driver, &device->dev); - if (!drm) - return -ENOMEM; - - ret = drm_dev_register(drm, 0); - if (ret) - goto err_free; - - DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", driver->name, - driver->major, driver->minor, driver->patchlevel, - driver->date, drm->primary->index); - - return 0; - -err_free: - drm_dev_unref(drm); - return ret; -} - -void drm_host1x_exit(struct drm_driver *driver, struct host1x_device *device) -{ - struct tegra_drm *tegra = dev_get_drvdata(&device->dev); - - drm_put_dev(tegra->drm); -} diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index d492c2f12ca8..fd736efd14bd 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -33,7 +33,6 @@ static int tegra_drm_load(struct drm_device *drm, unsigned long flags) if (!tegra) return -ENOMEM;
- dev_set_drvdata(drm->dev, tegra); mutex_init(&tegra->clients_lock); INIT_LIST_HEAD(&tegra->clients); drm->dev_private = tegra; @@ -644,14 +643,40 @@ int tegra_drm_unregister_client(struct tegra_drm *tegra, return 0; }
-static int host1x_drm_probe(struct host1x_device *device) +static int host1x_drm_probe(struct host1x_device *dev) { - return drm_host1x_init(&tegra_drm_driver, device); + struct drm_driver *driver = &tegra_drm_driver; + struct drm_device *drm; + int err; + + drm = drm_dev_alloc(driver, &dev->dev); + if (!drm) + return -ENOMEM; + + drm_dev_set_unique(drm, dev_name(&dev->dev)); + dev_set_drvdata(&dev->dev, drm); + + err = drm_dev_register(drm, 0); + if (err < 0) + goto unref; + + DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", driver->name, + driver->major, driver->minor, driver->patchlevel, + driver->date, drm->primary->index); + + return 0; + +unref: + drm_dev_unref(drm); + return err; }
-static int host1x_drm_remove(struct host1x_device *device) +static int host1x_drm_remove(struct host1x_device *dev) { - drm_host1x_exit(&tegra_drm_driver, device); + struct drm_device *drm = dev_get_drvdata(&dev->dev); + + drm_dev_unregister(drm); + drm_dev_unref(drm);
return 0; } diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h index d100f706d818..0d30689dff01 100644 --- a/drivers/gpu/drm/tegra/drm.h +++ b/drivers/gpu/drm/tegra/drm.h @@ -249,10 +249,6 @@ static inline int tegra_output_check_mode(struct tegra_output *output, return output ? -ENOSYS : -EINVAL; }
-/* from bus.c */ -int drm_host1x_init(struct drm_driver *driver, struct host1x_device *device); -void drm_host1x_exit(struct drm_driver *driver, struct host1x_device *device); - /* from rgb.c */ int tegra_dc_rgb_probe(struct tegra_dc *dc); int tegra_dc_rgb_remove(struct tegra_dc *dc);