drm/tinydrm: Remove tinydrm_device

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 <noralf@tronnes.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20190225144232.20761-7-noralf@tronnes.org

3 files changed, 3 insertions, 170 deletions

diff --git a/drivers/gpu/drm/tinydrm/core/Makefile b/drivers/gpu/drm/tinydrm/core/Makefile
index fb221e6f8885..6f8f764560e0 100644
--- a/drivers/gpu/drm/tinydrm/core/Makefile
+++ b/drivers/gpu/drm/tinydrm/core/Makefile
@@ -1,3 +1,3 @@
-tinydrm-y := tinydrm-core.o tinydrm-pipe.o tinydrm-helpers.o
+tinydrm-y := tinydrm-pipe.o tinydrm-helpers.o
 
 obj-$(CONFIG_DRM_TINYDRM) += tinydrm.o
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 <drm/drm_atomic.h>
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
-#include <drm/drm_probe_helper.h>
-#include <drm/drm_print.h>
-#include <drm/tinydrm/tinydrm.h>
-#include <linux/device.h>
-#include <linux/dma-buf.h>
-#include <linux/module.h>
-
-/**
- * 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");
diff --git a/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c b/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c
index 2737b6fdadc8..d7b38dfb6438 100644
--- a/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c
+++ b/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c
@@ -365,3 +365,5 @@ int tinydrm_spi_transfer(struct spi_device *spi, u32 speed_hz,
 EXPORT_SYMBOL(tinydrm_spi_transfer);
 
 #endif /* CONFIG_SPI */
+
+MODULE_LICENSE("GPL");