From 2afd9fcba6b168ab4fa5c38680f98147a745d31c Mon Sep 17 00:00:00 2001 From: Noralf Trønnes Date: Mon, 25 Feb 2019 15:42:31 +0100 Subject: drm/tinydrm: Remove tinydrm_device MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit No more users left so it can go alongside its helpers. Update the tinydrm docs description and remove todo entry. Signed-off-by: Noralf Trønnes Reviewed-by: Sam Ravnborg Acked-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20190225144232.20761-7-noralf@tronnes.org --- drivers/gpu/drm/tinydrm/core/tinydrm-core.c | 169 ---------------------------- 1 file changed, 169 deletions(-) delete mode 100644 drivers/gpu/drm/tinydrm/core/tinydrm-core.c (limited to 'drivers/gpu/drm/tinydrm/core/tinydrm-core.c') diff --git a/drivers/gpu/drm/tinydrm/core/tinydrm-core.c b/drivers/gpu/drm/tinydrm/core/tinydrm-core.c deleted file mode 100644 index 2366a33fd62f..000000000000 --- a/drivers/gpu/drm/tinydrm/core/tinydrm-core.c +++ /dev/null @@ -1,169 +0,0 @@ -/* - * Copyright (C) 2016 Noralf Trønnes - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -/** - * DOC: overview - * - * This library provides driver helpers for very simple display hardware. - * - * It is based on &drm_simple_display_pipe coupled with a &drm_connector which - * has only one fixed &drm_display_mode. The framebuffers are backed by the - * cma helper and have support for framebuffer flushing (dirty). - * fbdev support is also included. - * - */ - -/** - * DOC: core - * - * The driver allocates &tinydrm_device, initializes it using - * devm_tinydrm_init(), sets up the pipeline using tinydrm_display_pipe_init() - * and registers the DRM device using devm_tinydrm_register(). - */ - -static const struct drm_mode_config_funcs tinydrm_mode_config_funcs = { - .fb_create = drm_gem_fb_create_with_dirty, - .atomic_check = drm_atomic_helper_check, - .atomic_commit = drm_atomic_helper_commit, -}; - -static int tinydrm_init(struct device *parent, struct tinydrm_device *tdev, - struct drm_driver *driver) -{ - struct drm_device *drm; - - /* - * We don't embed drm_device, because that prevent us from using - * devm_kzalloc() to allocate tinydrm_device in the driver since - * drm_dev_put() frees the structure. The devm_ functions provide - * for easy error handling. - */ - drm = drm_dev_alloc(driver, parent); - if (IS_ERR(drm)) - return PTR_ERR(drm); - - tdev->drm = drm; - drm->dev_private = tdev; - drm_mode_config_init(drm); - drm->mode_config.funcs = &tinydrm_mode_config_funcs; - drm->mode_config.allow_fb_modifiers = true; - - return 0; -} - -static void tinydrm_fini(struct tinydrm_device *tdev) -{ - drm_mode_config_cleanup(tdev->drm); - tdev->drm->dev_private = NULL; - drm_dev_put(tdev->drm); -} - -static void devm_tinydrm_release(void *data) -{ - tinydrm_fini(data); -} - -/** - * devm_tinydrm_init - Initialize tinydrm device - * @parent: Parent device object - * @tdev: tinydrm device - * @driver: DRM driver - * - * This function initializes @tdev, the underlying DRM device and it's - * mode_config. Resources will be automatically freed on driver detach (devres) - * using drm_mode_config_cleanup() and drm_dev_put(). - * - * Returns: - * Zero on success, negative error code on failure. - */ -int devm_tinydrm_init(struct device *parent, struct tinydrm_device *tdev, - struct drm_driver *driver) -{ - int ret; - - ret = tinydrm_init(parent, tdev, driver); - if (ret) - return ret; - - ret = devm_add_action(parent, devm_tinydrm_release, tdev); - if (ret) - tinydrm_fini(tdev); - - return ret; -} -EXPORT_SYMBOL(devm_tinydrm_init); - -static int tinydrm_register(struct tinydrm_device *tdev) -{ - struct drm_device *drm = tdev->drm; - int ret; - - ret = drm_dev_register(tdev->drm, 0); - if (ret) - return ret; - - ret = drm_fbdev_generic_setup(drm, 0); - if (ret) - DRM_ERROR("Failed to initialize fbdev: %d\n", ret); - - return 0; -} - -static void tinydrm_unregister(struct tinydrm_device *tdev) -{ - drm_atomic_helper_shutdown(tdev->drm); - drm_dev_unregister(tdev->drm); -} - -static void devm_tinydrm_register_release(void *data) -{ - tinydrm_unregister(data); -} - -/** - * devm_tinydrm_register - Register tinydrm device - * @tdev: tinydrm device - * - * This function registers the underlying DRM device and fbdev. - * These resources will be automatically unregistered on driver detach (devres) - * and the display pipeline will be disabled. - * - * Returns: - * Zero on success, negative error code on failure. - */ -int devm_tinydrm_register(struct tinydrm_device *tdev) -{ - struct device *dev = tdev->drm->dev; - int ret; - - ret = tinydrm_register(tdev); - if (ret) - return ret; - - ret = devm_add_action(dev, devm_tinydrm_register_release, tdev); - if (ret) - tinydrm_unregister(tdev); - - return ret; -} -EXPORT_SYMBOL(devm_tinydrm_register); - -MODULE_LICENSE("GPL"); -- cgit v1.2.3-59-g8ed1b