drm: Add support for platform devices to register as DRM devices

Allow platform devices without PCI resources to be DRM devices.

[airlied: fixup warnings with dev pointers]

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 2 insertions, 87 deletions

diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
index a0c365f2e521..63575e2fa882 100644
--- a/drivers/gpu/drm/drm_stub.c
+++ b/drivers/gpu/drm/drm_stub.c
@@ -224,7 +224,7 @@ int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
         return 0;
 }
 
-static int drm_fill_in_dev(struct drm_device * dev, struct pci_dev *pdev,
+int drm_fill_in_dev(struct drm_device *dev,
                            const struct pci_device_id *ent,
                            struct drm_driver *driver)
 {
@@ -245,14 +245,6 @@ static int drm_fill_in_dev(struct drm_device * dev, struct pci_dev *pdev,
 
         idr_init(&dev->drw_idr);
 
-        dev->pdev = pdev;
-        dev->pci_device = pdev->device;
-        dev->pci_vendor = pdev->vendor;
-
-#ifdef __alpha__
-        dev->hose = pdev->sysdata;
-#endif
-
         if (drm_ht_create(&dev->map_hash, 12)) {
                 return -ENOMEM;
         }
@@ -321,7 +313,7 @@ static int drm_fill_in_dev(struct drm_device * dev, struct pci_dev *pdev,
  * create the proc init entry via proc_init(). This routines assigns
  * minor numbers to secondary heads of multi-headed cards
  */
-static int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int type)
+int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int type)
 {
         struct drm_minor *new_minor;
         int ret;
@@ -388,83 +380,6 @@ err_idr:
 }
 
 /**
- * Register.
- *
- * \param pdev - PCI device structure
- * \param ent entry from the PCI ID table with device type flags
- * \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.
- */
-int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
-                struct drm_driver *driver)
-{
-        struct drm_device *dev;
-        int ret;
-
-        DRM_DEBUG("\n");
-
-        dev = kzalloc(sizeof(*dev), GFP_KERNEL);
-        if (!dev)
-                return -ENOMEM;
-
-        ret = pci_enable_device(pdev);
-        if (ret)
-                goto err_g1;
-
-        pci_set_master(pdev);
-        if ((ret = drm_fill_in_dev(dev, pdev, ent, driver))) {
-                printk(KERN_ERR "DRM: Fill_in_dev failed.\n");
-                goto err_g2;
-        }
-
-        if (drm_core_check_feature(dev, DRIVER_MODESET)) {
-                pci_set_drvdata(pdev, dev);
-                ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL);
-                if (ret)
-                        goto err_g2;
-        }
-
-        if ((ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY)))
-                goto err_g3;
-
-        if (dev->driver->load) {
-                ret = dev->driver->load(dev, ent->driver_data);
-                if (ret)
-                        goto err_g4;
-        }
-
-        /* setup the grouping for the legacy output */
-        if (drm_core_check_feature(dev, DRIVER_MODESET)) {
-                ret = drm_mode_group_init_legacy_group(dev, &dev->primary->mode_group);
-                if (ret)
-                        goto err_g4;
-        }
-
-        list_add_tail(&dev->driver_item, &driver->device_list);
-
-        DRM_INFO("Initialized %s %d.%d.%d %s for %s on minor %d\n",
-                 driver->name, driver->major, driver->minor, driver->patchlevel,
-                 driver->date, pci_name(pdev), dev->primary->index);
-
-        return 0;
-
-err_g4:
-        drm_put_minor(&dev->primary);
-err_g3:
-        if (drm_core_check_feature(dev, DRIVER_MODESET))
-                drm_put_minor(&dev->control);
-err_g2:
-        pci_disable_device(pdev);
-err_g1:
-        kfree(dev);
-        return ret;
-}
-EXPORT_SYMBOL(drm_get_dev);
-
-/**
  * Put a secondary minor number.
  *
  * \param sec_minor - structure to be released