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https://github.com/edk2-porting/linux-next.git
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43387b37fa
All the gem based kms drivers really want the same function to destroy a dumb framebuffer backing storage object. So give it to them and roll it out in all drivers. This still leaves the option open for kms drivers which don't use GEM for backing storage, but it does decently simplify matters for gem drivers. Acked-by: Inki Dae <inki.dae@samsung.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Intel Graphics Development <intel-gfx@lists.freedesktop.org> Cc: Ben Skeggs <skeggsb@gmail.com> Reviwed-by: Rob Clark <robdclark@gmail.com> Cc: Alex Deucher <alexdeucher@gmail.com> Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
139 lines
3.1 KiB
C
139 lines
3.1 KiB
C
/*
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* Copyright 2012 Red Hat <mjg@redhat.com>
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*
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* This file is subject to the terms and conditions of the GNU General
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* Public License version 2. See the file COPYING in the main
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* directory of this archive for more details.
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*
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* Authors: Matthew Garrett
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* Dave Airlie
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*/
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#include <linux/module.h>
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#include <linux/console.h>
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#include <drm/drmP.h>
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#include "cirrus_drv.h"
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int cirrus_modeset = -1;
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MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
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module_param_named(modeset, cirrus_modeset, int, 0400);
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/*
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* This is the generic driver code. This binds the driver to the drm core,
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* which then performs further device association and calls our graphics init
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* functions
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*/
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static struct drm_driver driver;
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/* only bind to the cirrus chip in qemu */
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static DEFINE_PCI_DEVICE_TABLE(pciidlist) = {
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{ PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5446, 0x1af4, 0x1100, 0,
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0, 0 },
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{0,}
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};
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static int cirrus_kick_out_firmware_fb(struct pci_dev *pdev)
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{
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struct apertures_struct *ap;
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bool primary = false;
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ap = alloc_apertures(1);
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if (!ap)
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return -ENOMEM;
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ap->ranges[0].base = pci_resource_start(pdev, 0);
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ap->ranges[0].size = pci_resource_len(pdev, 0);
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#ifdef CONFIG_X86
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primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
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#endif
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remove_conflicting_framebuffers(ap, "cirrusdrmfb", primary);
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kfree(ap);
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return 0;
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}
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static int cirrus_pci_probe(struct pci_dev *pdev,
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const struct pci_device_id *ent)
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{
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int ret;
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ret = cirrus_kick_out_firmware_fb(pdev);
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if (ret)
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return ret;
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return drm_get_pci_dev(pdev, ent, &driver);
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}
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static void cirrus_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 const struct file_operations cirrus_driver_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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.unlocked_ioctl = drm_ioctl,
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.mmap = cirrus_mmap,
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.poll = drm_poll,
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#ifdef CONFIG_COMPAT
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.compat_ioctl = drm_compat_ioctl,
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#endif
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.fasync = drm_fasync,
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};
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static struct drm_driver driver = {
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.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_USE_MTRR,
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.load = cirrus_driver_load,
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.unload = cirrus_driver_unload,
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.fops = &cirrus_driver_fops,
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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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.gem_init_object = cirrus_gem_init_object,
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.gem_free_object = cirrus_gem_free_object,
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.dumb_create = cirrus_dumb_create,
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.dumb_map_offset = cirrus_dumb_mmap_offset,
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.dumb_destroy = drm_gem_dumb_destroy,
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};
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static struct pci_driver cirrus_pci_driver = {
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.name = DRIVER_NAME,
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.id_table = pciidlist,
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.probe = cirrus_pci_probe,
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.remove = cirrus_pci_remove,
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};
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static int __init cirrus_init(void)
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{
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#ifdef CONFIG_VGA_CONSOLE
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if (vgacon_text_force() && cirrus_modeset == -1)
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return -EINVAL;
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#endif
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if (cirrus_modeset == 0)
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return -EINVAL;
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return drm_pci_init(&driver, &cirrus_pci_driver);
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}
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static void __exit cirrus_exit(void)
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{
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drm_pci_exit(&driver, &cirrus_pci_driver);
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}
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module_init(cirrus_init);
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module_exit(cirrus_exit);
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MODULE_DEVICE_TABLE(pci, pciidlist);
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MODULE_AUTHOR(DRIVER_AUTHOR);
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MODULE_DESCRIPTION(DRIVER_DESC);
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MODULE_LICENSE("GPL");
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