From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: Add the rt linux 4.1.3-rt3 as base Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang --- kernel/drivers/gpu/drm/drm_platform.c | 106 ++++++++++++++++++++++++++++++++++ 1 file changed, 106 insertions(+) create mode 100644 kernel/drivers/gpu/drm/drm_platform.c (limited to 'kernel/drivers/gpu/drm/drm_platform.c') diff --git a/kernel/drivers/gpu/drm/drm_platform.c b/kernel/drivers/gpu/drm/drm_platform.c new file mode 100644 index 000000000..5314c9d5f --- /dev/null +++ b/kernel/drivers/gpu/drm/drm_platform.c @@ -0,0 +1,106 @@ +/* + * Derived from drm_pci.c + * + * Copyright 2003 José Fonseca. + * Copyright 2003 Leif Delgass. + * Copyright (c) 2009, Code Aurora Forum. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include +#include + +/* + * Register. + * + * \param platdev - Platform device struture + * \return zero on success or a negative number on failure. + * + * Attempt to gets inter module "drm" information. If we are first + * then register the character device and inter module information. + * Try and register, if we fail to register, backout previous work. + */ + +static int drm_get_platform_dev(struct platform_device *platdev, + struct drm_driver *driver) +{ + struct drm_device *dev; + int ret; + + DRM_DEBUG("\n"); + + dev = drm_dev_alloc(driver, &platdev->dev); + if (!dev) + return -ENOMEM; + + dev->platformdev = platdev; + + ret = drm_dev_register(dev, 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, dev->primary->index); + + return 0; + +err_free: + drm_dev_unref(dev); + return ret; +} + +int drm_platform_set_busid(struct drm_device *dev, struct drm_master *master) +{ + int id; + + id = dev->platformdev->id; + if (id < 0) + id = 0; + + master->unique = kasprintf(GFP_KERNEL, "platform:%s:%02d", + dev->platformdev->name, id); + if (!master->unique) + return -ENOMEM; + + master->unique_len = strlen(master->unique); + return 0; +} +EXPORT_SYMBOL(drm_platform_set_busid); + +/** + * drm_platform_init - Register a platform device with the DRM subsystem + * @driver: DRM device driver + * @platform_device: platform device to register + * + * Registers the specified DRM device driver and platform device with the DRM + * subsystem, initializing a drm_device structure and calling the driver's + * .load() function. + * + * Return: 0 on success or a negative error code on failure. + */ +int drm_platform_init(struct drm_driver *driver, struct platform_device *platform_device) +{ + DRM_DEBUG("\n"); + + return drm_get_platform_dev(platform_device, driver); +} +EXPORT_SYMBOL(drm_platform_init); -- cgit 1.2.3-korg