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3b1c1c1118
The i915 DRM triggers registration of the ACPI video driver on load. It should unregister it at unload in order to avoid generating backtraces on being reloaded. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Eric Anholt <eric@anholt.net>
264 lines
6.6 KiB
C
264 lines
6.6 KiB
C
/* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*-
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*/
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/*
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*
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* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include <linux/device.h>
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#include "drmP.h"
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#include "drm.h"
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#include "i915_drm.h"
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#include "i915_drv.h"
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#include "drm_pciids.h"
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#include <linux/console.h>
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static unsigned int i915_modeset = -1;
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module_param_named(modeset, i915_modeset, int, 0400);
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unsigned int i915_fbpercrtc = 0;
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module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400);
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static struct drm_driver driver;
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static struct pci_device_id pciidlist[] = {
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i915_PCI_IDS
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};
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#if defined(CONFIG_DRM_I915_KMS)
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MODULE_DEVICE_TABLE(pci, pciidlist);
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#endif
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static int i915_suspend(struct drm_device *dev, pm_message_t state)
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{
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struct drm_i915_private *dev_priv = dev->dev_private;
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if (!dev || !dev_priv) {
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printk(KERN_ERR "dev: %p, dev_priv: %p\n", dev, dev_priv);
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printk(KERN_ERR "DRM not initialized, aborting suspend.\n");
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return -ENODEV;
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}
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if (state.event == PM_EVENT_PRETHAW)
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return 0;
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pci_save_state(dev->pdev);
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i915_save_state(dev);
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/* If KMS is active, we do the leavevt stuff here */
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if (drm_core_check_feature(dev, DRIVER_MODESET)) {
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if (i915_gem_idle(dev))
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dev_err(&dev->pdev->dev,
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"GEM idle failed, resume may fail\n");
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drm_irq_uninstall(dev);
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}
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intel_opregion_free(dev, 1);
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if (state.event == PM_EVENT_SUSPEND) {
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/* Shut down the device */
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pci_disable_device(dev->pdev);
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pci_set_power_state(dev->pdev, PCI_D3hot);
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}
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return 0;
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}
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static int i915_resume(struct drm_device *dev)
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{
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struct drm_i915_private *dev_priv = dev->dev_private;
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int ret = 0;
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pci_set_power_state(dev->pdev, PCI_D0);
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pci_restore_state(dev->pdev);
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if (pci_enable_device(dev->pdev))
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return -1;
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pci_set_master(dev->pdev);
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i915_restore_state(dev);
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intel_opregion_init(dev, 1);
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/* KMS EnterVT equivalent */
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if (drm_core_check_feature(dev, DRIVER_MODESET)) {
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mutex_lock(&dev->struct_mutex);
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dev_priv->mm.suspended = 0;
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ret = i915_gem_init_ringbuffer(dev);
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if (ret != 0)
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ret = -1;
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mutex_unlock(&dev->struct_mutex);
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drm_irq_install(dev);
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}
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return ret;
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}
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static int __devinit
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i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
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{
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return drm_get_dev(pdev, ent, &driver);
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}
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static void
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i915_pci_remove(struct pci_dev *pdev)
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{
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struct drm_device *dev = pci_get_drvdata(pdev);
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drm_put_dev(dev);
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}
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static int
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i915_pci_suspend(struct pci_dev *pdev, pm_message_t state)
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{
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struct drm_device *dev = pci_get_drvdata(pdev);
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return i915_suspend(dev, state);
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}
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static int
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i915_pci_resume(struct pci_dev *pdev)
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{
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struct drm_device *dev = pci_get_drvdata(pdev);
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return i915_resume(dev);
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}
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static struct vm_operations_struct i915_gem_vm_ops = {
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.fault = i915_gem_fault,
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.open = drm_gem_vm_open,
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.close = drm_gem_vm_close,
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};
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static struct drm_driver driver = {
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/* don't use mtrr's here, the Xserver or user space app should
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* deal with them for intel hardware.
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*/
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.driver_features =
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DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
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DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM,
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.load = i915_driver_load,
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.unload = i915_driver_unload,
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.open = i915_driver_open,
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.lastclose = i915_driver_lastclose,
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.preclose = i915_driver_preclose,
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.postclose = i915_driver_postclose,
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.suspend = i915_suspend,
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.resume = i915_resume,
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.device_is_agp = i915_driver_device_is_agp,
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.enable_vblank = i915_enable_vblank,
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.disable_vblank = i915_disable_vblank,
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.irq_preinstall = i915_driver_irq_preinstall,
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.irq_postinstall = i915_driver_irq_postinstall,
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.irq_uninstall = i915_driver_irq_uninstall,
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.irq_handler = i915_driver_irq_handler,
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.reclaim_buffers = drm_core_reclaim_buffers,
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.get_map_ofs = drm_core_get_map_ofs,
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.get_reg_ofs = drm_core_get_reg_ofs,
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.master_create = i915_master_create,
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.master_destroy = i915_master_destroy,
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#if defined(CONFIG_DEBUG_FS)
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.debugfs_init = i915_gem_debugfs_init,
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.debugfs_cleanup = i915_gem_debugfs_cleanup,
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#endif
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.gem_init_object = i915_gem_init_object,
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.gem_free_object = i915_gem_free_object,
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.gem_vm_ops = &i915_gem_vm_ops,
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.ioctls = i915_ioctls,
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.fops = {
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.owner = THIS_MODULE,
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.open = drm_open,
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.release = drm_release,
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.ioctl = drm_ioctl,
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.mmap = drm_gem_mmap,
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.poll = drm_poll,
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.fasync = drm_fasync,
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#ifdef CONFIG_COMPAT
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.compat_ioctl = i915_compat_ioctl,
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#endif
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},
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.pci_driver = {
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.name = DRIVER_NAME,
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.id_table = pciidlist,
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.probe = i915_pci_probe,
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.remove = i915_pci_remove,
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#ifdef CONFIG_PM
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.resume = i915_pci_resume,
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.suspend = i915_pci_suspend,
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#endif
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},
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.name = DRIVER_NAME,
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.desc = DRIVER_DESC,
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.date = DRIVER_DATE,
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.major = DRIVER_MAJOR,
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.minor = DRIVER_MINOR,
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.patchlevel = DRIVER_PATCHLEVEL,
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};
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static int __init i915_init(void)
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{
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driver.num_ioctls = i915_max_ioctl;
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/*
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* If CONFIG_DRM_I915_KMS is set, default to KMS unless
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* explicitly disabled with the module pararmeter.
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*
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* Otherwise, just follow the parameter (defaulting to off).
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*
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* Allow optional vga_text_mode_force boot option to override
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* the default behavior.
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*/
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#if defined(CONFIG_DRM_I915_KMS)
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if (i915_modeset != 0)
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driver.driver_features |= DRIVER_MODESET;
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#endif
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if (i915_modeset == 1)
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driver.driver_features |= DRIVER_MODESET;
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#ifdef CONFIG_VGA_CONSOLE
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if (vgacon_text_force() && i915_modeset == -1)
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driver.driver_features &= ~DRIVER_MODESET;
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#endif
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return drm_init(&driver);
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}
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static void __exit i915_exit(void)
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{
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drm_exit(&driver);
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}
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module_init(i915_init);
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module_exit(i915_exit);
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MODULE_AUTHOR(DRIVER_AUTHOR);
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MODULE_DESCRIPTION(DRIVER_DESC);
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MODULE_LICENSE("GPL and additional rights");
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