Merge branch 'drm-platform' into drm-testing

* drm-platform:
  drm: Make sure the DRM offset matches the CPU
  drm: Add __arm defines to DRM
  drm: Add support for platform devices to register as DRM devices
  drm: Remove drm_resource wrappers

37 files changed, 479 insertions, 239 deletions

diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 88910e5a2c7..520ab23d8a3 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -6,7 +6,7 @@
 #
 menuconfig DRM
         tristate "Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)"
-        depends on (AGP || AGP=n) && PCI && !EMULATED_CMPXCHG && MMU
+        depends on (AGP || AGP=n) && !EMULATED_CMPXCHG && MMU
         select I2C
         select I2C_ALGOBIT
         select SLOW_WORK
@@ -17,7 +17,7 @@ menuconfig DRM
           These modules provide support for synchronization, security, and
           DMA transfers. Please see <http://dri.sourceforge.net/> for more
           details.  You should also select and configure AGP
-          (/dev/agpgart) support.
+          (/dev/agpgart) support if it is available for your platform.
 
 config DRM_KMS_HELPER
         tristate
diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
index abe3f446ca4..b4b2b480d0c 100644
--- a/drivers/gpu/drm/Makefile
+++ b/drivers/gpu/drm/Makefile
@@ -9,7 +9,7 @@ drm-y       :=	drm_auth.o drm_buffer.o drm_bufs.o drm_cache.o \
                 drm_drv.o drm_fops.o drm_gem.o drm_ioctl.o drm_irq.o \
                 drm_lock.o drm_memory.o drm_proc.o drm_stub.o drm_vm.o \
                 drm_agpsupport.o drm_scatter.o ati_pcigart.o drm_pci.o \
-                drm_sysfs.o drm_hashtab.o drm_sman.o drm_mm.o \
+                drm_platform.o drm_sysfs.o drm_hashtab.o drm_sman.o drm_mm.o \
                 drm_crtc.o drm_modes.o drm_edid.o \
                 drm_info.o drm_debugfs.o drm_encoder_slave.o
 
diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c
index 2092e7bb788..a5c9ce93bbc 100644
--- a/drivers/gpu/drm/drm_bufs.c
+++ b/drivers/gpu/drm/drm_bufs.c
@@ -39,19 +39,6 @@
 #include <asm/shmparam.h>
 #include "drmP.h"
 
-resource_size_t drm_get_resource_start(struct drm_device *dev, unsigned int resource)
-{
-        return pci_resource_start(dev->pdev, resource);
-}
-EXPORT_SYMBOL(drm_get_resource_start);
-
-resource_size_t drm_get_resource_len(struct drm_device *dev, unsigned int resource)
-{
-        return pci_resource_len(dev->pdev, resource);
-}
-
-EXPORT_SYMBOL(drm_get_resource_len);
-
 static struct drm_map_list *drm_find_matching_map(struct drm_device *dev,
                                                   struct drm_local_map *map)
 {
@@ -189,7 +176,7 @@ static int drm_addmap_core(struct drm_device * dev, resource_size_t offset,
         switch (map->type) {
         case _DRM_REGISTERS:
         case _DRM_FRAME_BUFFER:
-#if !defined(__sparc__) && !defined(__alpha__) && !defined(__ia64__) && !defined(__powerpc64__) && !defined(__x86_64__)
+#if !defined(__sparc__) && !defined(__alpha__) && !defined(__ia64__) && !defined(__powerpc64__) && !defined(__x86_64__) && !defined(__arm__)
                 if (map->offset + (map->size-1) < map->offset ||
                     map->offset < virt_to_phys(high_memory)) {
                         kfree(map);
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 4a66201edae..510bc87d98f 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -243,47 +243,20 @@ int drm_lastclose(struct drm_device * dev)
  *
  * Initializes an array of drm_device structures, and attempts to
  * initialize all available devices, using consecutive minors, registering the
- * stubs and initializing the AGP device.
+ * stubs and initializing the device.
  *
  * Expands the \c DRIVER_PREINIT and \c DRIVER_POST_INIT macros before and
  * after the initialization for driver customization.
  */
 int drm_init(struct drm_driver *driver)
 {
-        struct pci_dev *pdev = NULL;
-        const struct pci_device_id *pid;
-        int i;
-
         DRM_DEBUG("\n");
-
         INIT_LIST_HEAD(&driver->device_list);
 
-        if (driver->driver_features & DRIVER_MODESET)
-                return pci_register_driver(&driver->pci_driver);
-
-        /* If not using KMS, fall back to stealth mode manual scanning. */
-        for (i = 0; driver->pci_driver.id_table[i].vendor != 0; i++) {
-                pid = &driver->pci_driver.id_table[i];
-
-                /* Loop around setting up a DRM device for each PCI device
-                 * matching our ID and device class.  If we had the internal
-                 * function that pci_get_subsys and pci_get_class used, we'd
-                 * be able to just pass pid in instead of doing a two-stage
-                 * thing.
-                 */
-                pdev = NULL;
-                while ((pdev =
-                        pci_get_subsys(pid->vendor, pid->device, pid->subvendor,
-                                       pid->subdevice, pdev)) != NULL) {
-                        if ((pdev->class & pid->class_mask) != pid->class)
-                                continue;
-
-                        /* stealth mode requires a manual probe */
-                        pci_dev_get(pdev);
-                        drm_get_dev(pdev, pid, driver);
-                }
-        }
-        return 0;
+        if (driver->driver_features & DRIVER_USE_PLATFORM_DEVICE)
+                return drm_platform_init(driver);
+        else
+                return drm_pci_init(driver);
 }
 
 EXPORT_SYMBOL(drm_init);
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index c1981861bbb..83d8072066c 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -282,7 +282,7 @@ drm_do_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter)
         return block;
 
 carp:
-        dev_warn(&connector->dev->pdev->dev, "%s: EDID block %d invalid.\n",
+        dev_warn(connector->dev->dev, "%s: EDID block %d invalid.\n",
                  drm_get_connector_name(connector), j);
 
 out:
@@ -1626,7 +1626,7 @@ int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
                 return 0;
         }
         if (!drm_edid_is_valid(edid)) {
-                dev_warn(&connector->dev->pdev->dev, "%s: EDID invalid.\n",
+                dev_warn(connector->dev->dev, "%s: EDID invalid.\n",
                          drm_get_connector_name(connector));
                 return 0;
         }
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 33dad3fa604..8601b72b6f2 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -68,8 +68,18 @@
  * We make up offsets for buffer objects so we can recognize them at
  * mmap time.
  */
+
+/* pgoff in mmap is an unsigned long, so we need to make sure that
+ * the faked up offset will fit
+ */
+
+#if BITS_PER_LONG == 64
 #define DRM_FILE_PAGE_OFFSET_START ((0xFFFFFFFFUL >> PAGE_SHIFT) + 1)
 #define DRM_FILE_PAGE_OFFSET_SIZE ((0xFFFFFFFFUL >> PAGE_SHIFT) * 16)
+#else
+#define DRM_FILE_PAGE_OFFSET_START ((0xFFFFFFFUL >> PAGE_SHIFT) + 1)
+#define DRM_FILE_PAGE_OFFSET_SIZE ((0xFFFFFFFUL >> PAGE_SHIFT) * 16)
+#endif
 
 /**
  * Initialize the GEM device fields
diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c
index f0f6c6b93f3..2ef2c782724 100644
--- a/drivers/gpu/drm/drm_info.c
+++ b/drivers/gpu/drm/drm_info.c
@@ -51,13 +51,24 @@ int drm_name_info(struct seq_file *m, void *data)
         if (!master)
                 return 0;
 
-        if (master->unique) {
-                seq_printf(m, "%s %s %s\n",
-                           dev->driver->pci_driver.name,
-                           pci_name(dev->pdev), master->unique);
+        if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE)) {
+                if (master->unique) {
+                        seq_printf(m, "%s %s %s\n",
+                                        dev->driver->platform_device->name,
+                                        dev_name(dev->dev), master->unique);
+                } else {
+                        seq_printf(m, "%s\n",
+                                dev->driver->platform_device->name);
+                }
         } else {
-                seq_printf(m, "%s %s\n", dev->driver->pci_driver.name,
-                           pci_name(dev->pdev));
+                if (master->unique) {
+                        seq_printf(m, "%s %s %s\n",
+                                dev->driver->pci_driver.name,
+                                dev_name(dev->dev), master->unique);
+                } else {
+                        seq_printf(m, "%s %s\n", dev->driver->pci_driver.name,
+                                dev_name(dev->dev));
+                }
         }
 
         return 0;
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index 9b9ff46c237..76d3d18056d 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -132,32 +132,57 @@ static int drm_set_busid(struct drm_device *dev, struct drm_file *file_priv)
         struct drm_master *master = file_priv->master;
         int len;
 
-        if (master->unique != NULL)
-                return -EBUSY;
-
-        master->unique_len = 40;
-        master->unique_size = master->unique_len;
-        master->unique = kmalloc(master->unique_size, GFP_KERNEL);
-        if (master->unique == NULL)
-                return -ENOMEM;
+        if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE)) {
+                master->unique_len = 10 + strlen(dev->platformdev->name);
+                master->unique = kmalloc(master->unique_len + 1, GFP_KERNEL);
+
+                if (master->unique == NULL)
+                        return -ENOMEM;
+
+                len = snprintf(master->unique, master->unique_len,
+                        "platform:%s", dev->platformdev->name);
+
+                if (len > master->unique_len)
+                        DRM_ERROR("Unique buffer overflowed\n");
+
+                dev->devname =
+                        kmalloc(strlen(dev->platformdev->name) +
+                                master->unique_len + 2, GFP_KERNEL);
+
+                if (dev->devname == NULL)
+                        return -ENOMEM;
+
+                sprintf(dev->devname, "%s@%s", dev->platformdev->name,
+                        master->unique);
+
+        } else {
+                master->unique_len = 40;
+                master->unique_size = master->unique_len;
+                master->unique = kmalloc(master->unique_size, GFP_KERNEL);
+                if (master->unique == NULL)
+                        return -ENOMEM;
+
+                len = snprintf(master->unique, master->unique_len,
+                        "pci:%04x:%02x:%02x.%d",
+                        drm_get_pci_domain(dev),
+                        dev->pdev->bus->number,
+                        PCI_SLOT(dev->pdev->devfn),
+                        PCI_FUNC(dev->pdev->devfn));
+                if (len >= master->unique_len)
+                        DRM_ERROR("buffer overflow");
+                else
+                        master->unique_len = len;
 
-        len = snprintf(master->unique, master->unique_len, "pci:%04x:%02x:%02x.%d",
-                       drm_get_pci_domain(dev),
-                       dev->pdev->bus->number,
-                       PCI_SLOT(dev->pdev->devfn),
-                       PCI_FUNC(dev->pdev->devfn));
-        if (len >= master->unique_len)
-                DRM_ERROR("buffer overflow");
-        else
-                master->unique_len = len;
+                dev->devname =
+                        kmalloc(strlen(dev->driver->pci_driver.name) +
+                                master->unique_len + 2, GFP_KERNEL);
 
-        dev->devname = kmalloc(strlen(dev->driver->pci_driver.name) +
-                               master->unique_len + 2, GFP_KERNEL);
-        if (dev->devname == NULL)
-                return -ENOMEM;
+                if (dev->devname == NULL)
+                        return -ENOMEM;
 
-        sprintf(dev->devname, "%s@%s", dev->driver->pci_driver.name,
-                master->unique);
+                sprintf(dev->devname, "%s@%s", dev->driver->pci_driver.name,
+                        master->unique);
+        }
 
         return 0;
 }
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index a263b7070fc..6353b625e09 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -57,6 +57,9 @@ int drm_irq_by_busid(struct drm_device *dev, void *data,
 {
         struct drm_irq_busid *p = data;
 
+        if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE))
+                return -EINVAL;
+
         if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
                 return -EINVAL;
 
@@ -211,7 +214,7 @@ int drm_irq_install(struct drm_device *dev)
         if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
                 return -EINVAL;
 
-        if (dev->pdev->irq == 0)
+        if (drm_dev_to_irq(dev) == 0)
                 return -EINVAL;
 
         mutex_lock(&dev->struct_mutex);
@@ -229,7 +232,7 @@ int drm_irq_install(struct drm_device *dev)
         dev->irq_enabled = 1;
         mutex_unlock(&dev->struct_mutex);
 
-        DRM_DEBUG("irq=%d\n", dev->pdev->irq);
+        DRM_DEBUG("irq=%d\n", drm_dev_to_irq(dev));
 
         /* Before installing handler */
         dev->driver->irq_preinstall(dev);
@@ -302,14 +305,14 @@ int drm_irq_uninstall(struct drm_device * dev)
         if (!irq_enabled)
                 return -EINVAL;
 
-        DRM_DEBUG("irq=%d\n", dev->pdev->irq);
+        DRM_DEBUG("irq=%d\n", drm_dev_to_irq(dev));
 
         if (!drm_core_check_feature(dev, DRIVER_MODESET))
                 vga_client_register(dev->pdev, NULL, NULL, NULL);
 
         dev->driver->irq_uninstall(dev);
 
-        free_irq(dev->pdev->irq, dev);
+        free_irq(drm_dev_to_irq(dev), dev);
 
         return 0;
 }
@@ -341,7 +344,7 @@ int drm_control(struct drm_device *dev, void *data,
                 if (drm_core_check_feature(dev, DRIVER_MODESET))
                         return 0;
                 if (dev->if_version < DRM_IF_VERSION(1, 2) &&
-                    ctl->irq != dev->pdev->irq)
+                    ctl->irq != drm_dev_to_irq(dev))
                         return -EINVAL;
                 return drm_irq_install(dev);
         case DRM_UNINST_HANDLER:
@@ -651,7 +654,7 @@ int drm_wait_vblank(struct drm_device *dev, void *data,
         int ret = 0;
         unsigned int flags, seq, crtc;
 
-        if ((!dev->pdev->irq) || (!dev->irq_enabled))
+        if ((!drm_dev_to_irq(dev)) || (!dev->irq_enabled))
                 return -EINVAL;
 
         if (vblwait->request.type & _DRM_VBLANK_SIGNAL)
diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c
index 2ea9ad4a8d6..e20f78b542a 100644
--- a/drivers/gpu/drm/drm_pci.c
+++ b/drivers/gpu/drm/drm_pci.c
@@ -124,4 +124,147 @@ void drm_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah)
 
 EXPORT_SYMBOL(drm_pci_free);
 
+#ifdef CONFIG_PCI
+/**
+ * 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_pci_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);
+
+        dev->pdev = pdev;
+        dev->dev = &pdev->dev;
+
+        dev->pci_device = pdev->device;
+        dev->pci_vendor = pdev->vendor;
+
+#ifdef __alpha__
+        dev->hose = pdev->sysdata;
+#endif
+
+        if ((ret = drm_fill_in_dev(dev, 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_pci_dev);
+
+/**
+ * PCI device initialization. Called via drm_init at module load time,
+ *
+ * \return zero on success or a negative number on failure.
+ *
+ * Initializes a drm_device structures,registering the
+ * stubs and initializing the AGP device.
+ *
+ * Expands the \c DRIVER_PREINIT and \c DRIVER_POST_INIT macros before and
+ * after the initialization for driver customization.
+ */
+int drm_pci_init(struct drm_driver *driver)
+{
+        struct pci_dev *pdev = NULL;
+        const struct pci_device_id *pid;
+        int i;
+
+        if (driver->driver_features & DRIVER_MODESET)
+                return pci_register_driver(&driver->pci_driver);
+
+        /* If not using KMS, fall back to stealth mode manual scanning. */
+        for (i = 0; driver->pci_driver.id_table[i].vendor != 0; i++) {
+                pid = &driver->pci_driver.id_table[i];
+
+                /* Loop around setting up a DRM device for each PCI device
+                 * matching our ID and device class.  If we had the internal
+                 * function that pci_get_subsys and pci_get_class used, we'd
+                 * be able to just pass pid in instead of doing a two-stage
+                 * thing.
+                 */
+                pdev = NULL;
+                while ((pdev =
+                        pci_get_subsys(pid->vendor, pid->device, pid->subvendor,
+                                       pid->subdevice, pdev)) != NULL) {
+                        if ((pdev->class & pid->class_mask) != pid->class)
+                                continue;
+
+                        /* stealth mode requires a manual probe */
+                        pci_dev_get(pdev);
+                        drm_get_pci_dev(pdev, pid, driver);
+                }
+        }
+        return 0;
+}
+
+#else
+
+int drm_pci_init(struct drm_driver *driver)
+{
+        return -1;
+}
+
+#endif
 /*@}*/
diff --git a/drivers/gpu/drm/drm_platform.c b/drivers/gpu/drm/drm_platform.c
new file mode 100644
index 00000000000..460e9a3afa8
--- /dev/null
+++ b/drivers/gpu/drm/drm_platform.c
@@ -0,0 +1,122 @@
+/*
+ * 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 "drmP.h"
+
+/**
+ * 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.
+ */
+
+int drm_get_platform_dev(struct platform_device *platdev,
+                         struct drm_driver *driver)
+{
+        struct drm_device *dev;
+        int ret;
+
+        DRM_DEBUG("\n");
+
+        dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+        if (!dev)
+                return -ENOMEM;
+
+        dev->platformdev = platdev;
+        dev->dev = &platdev->dev;
+
+        ret = drm_fill_in_dev(dev, NULL, driver);
+
+        if (ret) {
+                printk(KERN_ERR "DRM: Fill_in_dev failed.\n");
+                goto err_g1;
+        }
+
+        if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+                dev_set_drvdata(&platdev->dev, dev);
+                ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL);
+                if (ret)
+                        goto err_g1;
+        }
+
+        ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY);
+        if (ret)
+                goto err_g2;
+
+        if (dev->driver->load) {
+                ret = dev->driver->load(dev, 0);
+                if (ret)
+                        goto err_g3;
+        }
+
+        /* 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_g3;
+        }
+
+        list_add_tail(&dev->driver_item, &driver->device_list);
+
+        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_g3:
+        drm_put_minor(&dev->primary);
+err_g2:
+        if (drm_core_check_feature(dev, DRIVER_MODESET))
+                drm_put_minor(&dev->control);
+err_g1:
+        kfree(dev);
+        return ret;
+}
+EXPORT_SYMBOL(drm_get_platform_dev);
+
+/**
+ * Platform device initialization. Called via drm_init at module load time,
+ *
+ * \return zero on success or a negative number on failure.
+ *
+ * Initializes a drm_device structures,registering the
+ * stubs
+ *
+ * Expands the \c DRIVER_PREINIT and \c DRIVER_POST_INIT macros before and
+ * after the initialization for driver customization.
+ */
+
+int drm_platform_init(struct drm_driver *driver)
+{
+        return drm_get_platform_dev(driver->platform_device, driver);
+}
diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
index a0c365f2e52..63575e2fa88 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
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index 101d381e9d8..86118a74223 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -489,7 +489,8 @@ int drm_sysfs_device_add(struct drm_minor *minor)
         int err;
         char *minor_str;
 
-        minor->kdev.parent = &minor->dev->pdev->dev;
+        minor->kdev.parent = minor->dev->dev;
+
         minor->kdev.class = drm_class;
         minor->kdev.release = drm_sysfs_device_release;
         minor->kdev.devt = minor->device;
diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c
index c3b13fb41d0..3778360ecee 100644
--- a/drivers/gpu/drm/drm_vm.c
+++ b/drivers/gpu/drm/drm_vm.c
@@ -61,7 +61,7 @@ static pgprot_t drm_io_prot(uint32_t map_type, struct vm_area_struct *vma)
                 tmp = pgprot_writecombine(tmp);
         else
                 tmp = pgprot_noncached(tmp);
-#elif defined(__sparc__)
+#elif defined(__sparc__) || defined(__arm__)
         tmp = pgprot_noncached(tmp);
 #endif
         return tmp;
@@ -601,6 +601,7 @@ int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma)
         }
 
         switch (map->type) {
+#if !defined(__arm__)
         case _DRM_AGP:
                 if (drm_core_has_AGP(dev) && dev->agp->cant_use_aperture) {
                         /*
@@ -615,20 +616,31 @@ int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma)
                         break;
                 }
                 /* fall through to _DRM_FRAME_BUFFER... */
+#endif
         case _DRM_FRAME_BUFFER:
         case _DRM_REGISTERS:
                 offset = dev->driver->get_reg_ofs(dev);
                 vma->vm_flags |= VM_IO; /* not in core dump */
                 vma->vm_page_prot = drm_io_prot(map->type, vma);
+#if !defined(__arm__)
                 if (io_remap_pfn_range(vma, vma->vm_start,
                                        (map->offset + offset) >> PAGE_SHIFT,
                                        vma->vm_end - vma->vm_start,
                                        vma->vm_page_prot))
                         return -EAGAIN;
+#else
+                if (remap_pfn_range(vma, vma->vm_start,
+                                        (map->offset + offset) >> PAGE_SHIFT,
+                                        vma->vm_end - vma->vm_start,
+                                        vma->vm_page_prot))
+                        return -EAGAIN;
+#endif
+
                 DRM_DEBUG("   Type = %d; start = 0x%lx, end = 0x%lx,"
                           " offset = 0x%llx\n",
                           map->type,
                           vma->vm_start, vma->vm_end, (unsigned long long)(map->offset + offset));
+
                 vma->vm_ops = &drm_vm_ops;
                 break;
         case _DRM_CONSISTENT:
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index f00c5ae9556..92898035845 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -34,6 +34,7 @@
 #include "i915_drm.h"
 #include "i915_drv.h"
 #include "i915_trace.h"
+#include <linux/pci.h>
 #include <linux/vgaarb.h>
 #include <linux/acpi.h>
 #include <linux/pnp.h>
@@ -1354,7 +1355,7 @@ static int i915_load_modeset_init(struct drm_device *dev,
         int fb_bar = IS_I9XX(dev) ? 2 : 0;
         int ret = 0;
 
-        dev->mode_config.fb_base = drm_get_resource_start(dev, fb_bar) &
+        dev->mode_config.fb_base = pci_resource_start(dev->pdev, fb_bar) &
                 0xff000000;
 
         /* Basic memrange allocator for stolen space (aka vram) */
@@ -2063,8 +2064,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 
         /* Add register map (needed for suspend/resume) */
         mmio_bar = IS_I9XX(dev) ? 0 : 1;
-        base = drm_get_resource_start(dev, mmio_bar);
-        size = drm_get_resource_len(dev, mmio_bar);
+        base = pci_resource_start(dev->pdev, mmio_bar);
+        size = pci_resource_len(dev->pdev, mmio_bar);
 
         if (i915_get_bridge_dev(dev)) {
                 ret = -EIO;
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 423dc90c1e2..65d3f3e8475 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -413,7 +413,7 @@ int i965_reset(struct drm_device *dev, u8 flags)
 static int __devinit
 i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
-        return drm_get_dev(pdev, ent, &driver);
+        return drm_get_pci_dev(pdev, ent, &driver);
 }
 
 static void
diff --git a/drivers/gpu/drm/mga/mga_dma.c b/drivers/gpu/drm/mga/mga_dma.c
index 3c917fb3a60..ccc129c328a 100644
--- a/drivers/gpu/drm/mga/mga_dma.c
+++ b/drivers/gpu/drm/mga/mga_dma.c
@@ -405,8 +405,8 @@ int mga_driver_load(struct drm_device * dev, unsigned long flags)
         dev_priv->usec_timeout = MGA_DEFAULT_USEC_TIMEOUT;
         dev_priv->chipset = flags;
 
-        dev_priv->mmio_base = drm_get_resource_start(dev, 1);
-        dev_priv->mmio_size = drm_get_resource_len(dev, 1);
+        dev_priv->mmio_base = pci_resource_start(dev->pdev, 1);
+        dev_priv->mmio_size = pci_resource_len(dev->pdev, 1);
 
         dev->counters += 3;
         dev->types[6] = _DRM_STAT_IRQ;
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 6f3c1952237..9f5ab467775 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -783,7 +783,7 @@ nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
                 break;
         case TTM_PL_VRAM:
                 mem->bus.offset = mem->mm_node->start << PAGE_SHIFT;
-                mem->bus.base = drm_get_resource_start(dev, 1);
+                mem->bus.base = pci_resource_start(dev->pdev, 1);
                 mem->bus.is_iomem = true;
                 break;
         default:
diff --git a/drivers/gpu/drm/nouveau/nouveau_channel.c b/drivers/gpu/drm/nouveau/nouveau_channel.c
index 1fc57ef5829..06555c7cde5 100644
--- a/drivers/gpu/drm/nouveau/nouveau_channel.c
+++ b/drivers/gpu/drm/nouveau/nouveau_channel.c
@@ -62,7 +62,8 @@ nouveau_channel_pushbuf_ctxdma_init(struct nouveau_channel *chan)
                  * VRAM.
                  */
                 ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY,
-                                             drm_get_resource_start(dev, 1),
+                                             pci_resource_start(dev->pdev,
+                                             1),
                                              dev_priv->fb_available_size,
                                              NV_DMA_ACCESS_RO,
                                              NV_DMA_TARGET_PCI, &pushbuf);
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c
index 27377043229..0fd8e10dbbd 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.c
@@ -132,7 +132,7 @@ static struct drm_driver driver;
 static int __devinit
 nouveau_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
-        return drm_get_dev(pdev, ent, &driver);
+        return drm_get_pci_dev(pdev, ent, &driver);
 }
 
 static void
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c
index c1fd42b0dad..fb6b791506b 100644
--- a/drivers/gpu/drm/nouveau/nouveau_mem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_mem.c
@@ -471,8 +471,9 @@ void nouveau_mem_close(struct drm_device *dev)
         }
 
         if (dev_priv->fb_mtrr) {
-                drm_mtrr_del(dev_priv->fb_mtrr, drm_get_resource_start(dev, 1),
-                             drm_get_resource_len(dev, 1), DRM_MTRR_WC);
+                drm_mtrr_del(dev_priv->fb_mtrr,
+                             pci_resource_start(dev->pdev, 1),
+                             pci_resource_len(dev->pdev, 1), DRM_MTRR_WC);
                 dev_priv->fb_mtrr = 0;
         }
 }
@@ -633,7 +634,7 @@ nouveau_mem_init(struct drm_device *dev)
         struct ttm_bo_device *bdev = &dev_priv->ttm.bdev;
         int ret, dma_bits = 32;
 
-        dev_priv->fb_phys = drm_get_resource_start(dev, 1);
+        dev_priv->fb_phys = pci_resource_start(dev->pdev, 1);
         dev_priv->gart_info.type = NOUVEAU_GART_NONE;
 
         if (dev_priv->card_type >= NV_50 &&
@@ -665,8 +666,9 @@ nouveau_mem_init(struct drm_device *dev)
 
         dev_priv->fb_available_size = dev_priv->vram_size;
         dev_priv->fb_mappable_pages = dev_priv->fb_available_size;
-        if (dev_priv->fb_mappable_pages > drm_get_resource_len(dev, 1))
-                dev_priv->fb_mappable_pages = drm_get_resource_len(dev, 1);
+        if (dev_priv->fb_mappable_pages > pci_resource_len(dev->pdev, 1))
+                dev_priv->fb_mappable_pages =
+                        pci_resource_len(dev->pdev, 1);
         dev_priv->fb_mappable_pages >>= PAGE_SHIFT;
 
         /* remove reserved space at end of vram from available amount */
@@ -718,8 +720,8 @@ nouveau_mem_init(struct drm_device *dev)
                 return ret;
         }
 
-        dev_priv->fb_mtrr = drm_mtrr_add(drm_get_resource_start(dev, 1),
-                                         drm_get_resource_len(dev, 1),
+        dev_priv->fb_mtrr = drm_mtrr_add(pci_resource_start(dev->pdev, 1),
+                                         pci_resource_len(dev->pdev, 1),
                                          DRM_MTRR_WC);
 
         return 0;
diff --git a/drivers/gpu/drm/nouveau/nv20_graph.c b/drivers/gpu/drm/nouveau/nv20_graph.c
index d6fc0a82f03..fe2349b115f 100644
--- a/drivers/gpu/drm/nouveau/nv20_graph.c
+++ b/drivers/gpu/drm/nouveau/nv20_graph.c
@@ -616,7 +616,7 @@ nv20_graph_init(struct drm_device *dev)
         nv_wr32(dev, NV10_PGRAPH_SURFACE, tmp);
 
         /* begin RAM config */
-        vramsz = drm_get_resource_len(dev, 0) - 1;
+        vramsz = pci_resource_len(dev->pdev, 0) - 1;
         nv_wr32(dev, 0x4009A4, nv_rd32(dev, NV04_PFB_CFG0));
         nv_wr32(dev, 0x4009A8, nv_rd32(dev, NV04_PFB_CFG1));
         nv_wr32(dev, NV10_PGRAPH_RDI_INDEX, 0x00EA0000);
@@ -717,7 +717,7 @@ nv30_graph_init(struct drm_device *dev)
         nv_wr32(dev, 0x0040075c             , 0x00000001);
 
         /* begin RAM config */
-        /* vramsz = drm_get_resource_len(dev, 0) - 1; */
+        /* vramsz = pci_resource_len(dev->pdev, 0) - 1; */
         nv_wr32(dev, 0x4009A4, nv_rd32(dev, NV04_PFB_CFG0));
         nv_wr32(dev, 0x4009A8, nv_rd32(dev, NV04_PFB_CFG1));
         if (dev_priv->chipset != 0x34) {
diff --git a/drivers/gpu/drm/nouveau/nv40_graph.c b/drivers/gpu/drm/nouveau/nv40_graph.c
index 704a25d04ac..65b13b54c5a 100644
--- a/drivers/gpu/drm/nouveau/nv40_graph.c
+++ b/drivers/gpu/drm/nouveau/nv40_graph.c
@@ -367,7 +367,7 @@ nv40_graph_init(struct drm_device *dev)
                 nv40_graph_set_region_tiling(dev, i, 0, 0, 0);
 
         /* begin RAM config */
-        vramsz = drm_get_resource_len(dev, 0) - 1;
+        vramsz = pci_resource_len(dev->pdev, 0) - 1;
         switch (dev_priv->chipset) {
         case 0x40:
                 nv_wr32(dev, 0x4009A4, nv_rd32(dev, NV04_PFB_CFG0));
diff --git a/drivers/gpu/drm/nouveau/nv50_instmem.c b/drivers/gpu/drm/nouveau/nv50_instmem.c
index 5f21df31f3a..71c01b6e573 100644
--- a/drivers/gpu/drm/nouveau/nv50_instmem.c
+++ b/drivers/gpu/drm/nouveau/nv50_instmem.c
@@ -241,7 +241,7 @@ nv50_instmem_init(struct drm_device *dev)
                 return ret;
         BAR0_WI32(priv->fb_bar->gpuobj, 0x00, 0x7fc00000);
         BAR0_WI32(priv->fb_bar->gpuobj, 0x04, 0x40000000 +
-                                              drm_get_resource_len(dev, 1) - 1);
+                                              pci_resource_len(dev->pdev, 1) - 1);
         BAR0_WI32(priv->fb_bar->gpuobj, 0x08, 0x40000000);
         BAR0_WI32(priv->fb_bar->gpuobj, 0x0c, 0x00000000);
         BAR0_WI32(priv->fb_bar->gpuobj, 0x10, 0x00000000);
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 1caf625e472..057192acdd3 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1334,8 +1334,8 @@ int evergreen_mc_init(struct radeon_device *rdev)
         }
         rdev->mc.vram_width = numchan * chansize;
         /* Could aper size report 0 ? */
-        rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
-        rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
+        rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
+        rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
         /* Setup GPU memory space */
         /* size in MB on evergreen */
         rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 3970e62eaab..ab37717a5d3 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -2297,8 +2297,8 @@ void r100_vram_init_sizes(struct radeon_device *rdev)
         u64 config_aper_size;
 
         /* work out accessible VRAM */
-        rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
-        rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
+        rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
+        rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
         rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev);
         /* FIXME we don't use the second aperture yet when we could use it */
         if (rdev->mc.visible_vram_size > rdev->mc.aper_size)
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 3d6645ce215..a73a6e17588 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1216,8 +1216,8 @@ int r600_mc_init(struct radeon_device *rdev)
         }
         rdev->mc.vram_width = numchan * chansize;
         /* Could aper size report 0 ? */
-        rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
-        rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
+        rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
+        rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
         /* Setup GPU memory space */
         rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
         rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
diff --git a/drivers/gpu/drm/radeon/radeon_bios.c b/drivers/gpu/drm/radeon/radeon_bios.c
index 2c921373999..654787ec43f 100644
--- a/drivers/gpu/drm/radeon/radeon_bios.c
+++ b/drivers/gpu/drm/radeon/radeon_bios.c
@@ -53,7 +53,7 @@ static bool igp_read_bios_from_vram(struct radeon_device *rdev)
                         return false;
 
         rdev->bios = NULL;
-        vram_base = drm_get_resource_start(rdev->ddev, 0);
+        vram_base = pci_resource_start(rdev->pdev, 0);
         bios = ioremap(vram_base, size);
         if (!bios) {
                 return false;
diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c
index 2f042a3c0e6..eb6b9eed734 100644
--- a/drivers/gpu/drm/radeon/radeon_cp.c
+++ b/drivers/gpu/drm/radeon/radeon_cp.c
@@ -2120,8 +2120,8 @@ int radeon_driver_load(struct drm_device *dev, unsigned long flags)
         else
                 dev_priv->flags |= RADEON_IS_PCI;
 
-        ret = drm_addmap(dev, drm_get_resource_start(dev, 2),
-                         drm_get_resource_len(dev, 2), _DRM_REGISTERS,
+        ret = drm_addmap(dev, pci_resource_start(dev->pdev, 2),
+                         pci_resource_len(dev->pdev, 2), _DRM_REGISTERS,
                          _DRM_READ_ONLY | _DRM_DRIVER, &dev_priv->mmio);
         if (ret != 0)
                 return ret;
@@ -2194,9 +2194,9 @@ int radeon_driver_firstopen(struct drm_device *dev)
 
         dev_priv->gart_info.table_size = RADEON_PCIGART_TABLE_SIZE;
 
-        dev_priv->fb_aper_offset = drm_get_resource_start(dev, 0);
+        dev_priv->fb_aper_offset = pci_resource_start(dev->pdev, 0);
         ret = drm_addmap(dev, dev_priv->fb_aper_offset,
-                         drm_get_resource_len(dev, 0), _DRM_FRAME_BUFFER,
+                         pci_resource_len(dev->pdev, 0), _DRM_FRAME_BUFFER,
                          _DRM_WRITE_COMBINING, &map);
         if (ret != 0)
                 return ret;
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 5f317317aba..37533bec1f2 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -650,8 +650,8 @@ int radeon_device_init(struct radeon_device *rdev,
 
         /* Registers mapping */
         /* TODO: block userspace mapping of io register */
-        rdev->rmmio_base = drm_get_resource_start(rdev->ddev, 2);
-        rdev->rmmio_size = drm_get_resource_len(rdev->ddev, 2);
+        rdev->rmmio_base = pci_resource_start(rdev->pdev, 2);
+        rdev->rmmio_size = pci_resource_len(rdev->pdev, 2);
         rdev->rmmio = ioremap(rdev->rmmio_base, rdev->rmmio_size);
         if (rdev->rmmio == NULL) {
                 return -ENOMEM;
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index e166fe4d7c3..ed0ceb3fc40 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -238,7 +238,7 @@ static struct drm_driver kms_driver;
 static int __devinit
 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
-        return drm_get_dev(pdev, ent, &kms_driver);
+        return drm_get_pci_dev(pdev, ent, &kms_driver);
 }
 
 static void
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index 7bb4c3e52f3..5ce3ccc7a42 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -686,8 +686,8 @@ void rs600_mc_init(struct radeon_device *rdev)
 {
         u64 base;
 
-        rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
-        rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
+        rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
+        rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
         rdev->mc.vram_is_ddr = true;
         rdev->mc.vram_width = 128;
         rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index f4f0a61bcdc..5fea094ed8c 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -154,8 +154,8 @@ void rs690_mc_init(struct radeon_device *rdev)
         rdev->mc.vram_width = 128;
         rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
         rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
-        rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
-        rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
+        rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
+        rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
         rdev->mc.visible_vram_size = rdev->mc.aper_size;
         base = RREG32_MC(R_000100_MCCFG_FB_LOCATION);
         base = G_000100_MC_FB_START(base) << 16;
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index b7fd8206492..6a7bf109197 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -919,8 +919,8 @@ int rv770_mc_init(struct radeon_device *rdev)
         }
         rdev->mc.vram_width = numchan * chansize;
         /* Could aper size report 0 ? */
-        rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
-        rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
+        rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
+        rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
         /* Setup GPU memory space */
         rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
         rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
diff --git a/drivers/gpu/drm/savage/savage_bci.c b/drivers/gpu/drm/savage/savage_bci.c
index 2d0c9ca484c..f576232846c 100644
--- a/drivers/gpu/drm/savage/savage_bci.c
+++ b/drivers/gpu/drm/savage/savage_bci.c
@@ -573,13 +573,13 @@ int savage_driver_firstopen(struct drm_device *dev)
         dev_priv->mtrr[2].handle = -1;
         if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) {
                 fb_rsrc = 0;
-                fb_base = drm_get_resource_start(dev, 0);
+                fb_base = pci_resource_start(dev->pdev, 0);
                 fb_size = SAVAGE_FB_SIZE_S3;
                 mmio_base = fb_base + SAVAGE_FB_SIZE_S3;
                 aper_rsrc = 0;
                 aperture_base = fb_base + SAVAGE_APERTURE_OFFSET;
                 /* this should always be true */
-                if (drm_get_resource_len(dev, 0) == 0x08000000) {
+                if (pci_resource_len(dev->pdev, 0) == 0x08000000) {
                         /* Don't make MMIO write-cobining! We need 3
                          * MTRRs. */
                         dev_priv->mtrr[0].base = fb_base;
@@ -599,18 +599,19 @@ int savage_driver_firstopen(struct drm_device *dev)
                                          dev_priv->mtrr[2].size, DRM_MTRR_WC);
                 } else {
                         DRM_ERROR("strange pci_resource_len %08llx\n",
-                                  (unsigned long long)drm_get_resource_len(dev, 0));
+                                  (unsigned long long)
+                                  pci_resource_len(dev->pdev, 0));
                 }
         } else if (dev_priv->chipset != S3_SUPERSAVAGE &&
                    dev_priv->chipset != S3_SAVAGE2000) {
-                mmio_base = drm_get_resource_start(dev, 0);
+                mmio_base = pci_resource_start(dev->pdev, 0);
                 fb_rsrc = 1;
-                fb_base = drm_get_resource_start(dev, 1);
+                fb_base = pci_resource_start(dev->pdev, 1);
                 fb_size = SAVAGE_FB_SIZE_S4;
                 aper_rsrc = 1;
                 aperture_base = fb_base + SAVAGE_APERTURE_OFFSET;
                 /* this should always be true */
-                if (drm_get_resource_len(dev, 1) == 0x08000000) {
+                if (pci_resource_len(dev->pdev, 1) == 0x08000000) {
                         /* Can use one MTRR to cover both fb and
                          * aperture. */
                         dev_priv->mtrr[0].base = fb_base;
@@ -620,15 +621,16 @@ int savage_driver_firstopen(struct drm_device *dev)
                                          dev_priv->mtrr[0].size, DRM_MTRR_WC);
                 } else {
                         DRM_ERROR("strange pci_resource_len %08llx\n",
-                                  (unsigned long long)drm_get_resource_len(dev, 1));
+                                  (unsigned long long)
+                                  pci_resource_len(dev->pdev, 1));
                 }
         } else {
-                mmio_base = drm_get_resource_start(dev, 0);
+                mmio_base = pci_resource_start(dev->pdev, 0);
                 fb_rsrc = 1;
-                fb_base = drm_get_resource_start(dev, 1);
-                fb_size = drm_get_resource_len(dev, 1);
+                fb_base = pci_resource_start(dev->pdev, 1);
+                fb_size = pci_resource_len(dev->pdev, 1);
                 aper_rsrc = 2;
-                aperture_base = drm_get_resource_start(dev, 2);
+                aperture_base = pci_resource_start(dev->pdev, 2);
                 /* Automatic MTRR setup will do the right thing. */
         }
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index b793c8c9acb..9dd395b9021 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -764,7 +764,7 @@ static struct drm_driver driver = {
 
 static int vmw_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
-        return drm_get_dev(pdev, ent, &driver);
+        return drm_get_pci_dev(pdev, ent, &driver);
 }
 
 static int __init vmwgfx_init(void)
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index c1b987158df..6235169d595 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -9,6 +9,7 @@
 /*
  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * Copyright (c) 2009-2010, Code Aurora Forum.
  * All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -48,6 +49,7 @@
 #include <linux/proc_fs.h>
 #include <linux/init.h>
 #include <linux/file.h>
+#include <linux/platform_device.h>
 #include <linux/pci.h>
 #include <linux/jiffies.h>
 #include <linux/smp_lock.h>     /* For (un)lock_kernel */
@@ -144,6 +146,7 @@ extern void drm_ut_debug_printk(unsigned int request_level,
 #define DRIVER_IRQ_VBL2    0x800
 #define DRIVER_GEM         0x1000
 #define DRIVER_MODESET     0x2000
+#define DRIVER_USE_PLATFORM_DEVICE  0x4000
 
 /***********************************************************************/
 /** \name Begin the DRM... */
@@ -823,6 +826,7 @@ struct drm_driver {
         int num_ioctls;
         struct file_operations fops;
         struct pci_driver pci_driver;
+        struct platform_device *platform_device;
         /* List of devices hanging off this driver */
         struct list_head device_list;
 };
@@ -1015,12 +1019,16 @@ struct drm_device {
 
         struct drm_agp_head *agp;       /**< AGP data */
 
+        struct device *dev;             /**< Device structure */
         struct pci_dev *pdev;           /**< PCI device structure */
         int pci_vendor;                 /**< PCI vendor id */
         int pci_device;                 /**< PCI device id */
 #ifdef __alpha__
         struct pci_controller *hose;
 #endif
+
+        struct platform_device *platformdev; /**< Platform device struture */
+
         struct drm_sg_mem *sg;  /**< Scatter gather memory */
         int num_crtcs;                  /**< Number of CRTCs on this device */
         void *dev_private;              /**< device private data */
@@ -1060,17 +1068,21 @@ struct drm_device {
 
 };
 
-static inline int drm_dev_to_irq(struct drm_device *dev)
-{
-        return dev->pdev->irq;
-}
-
 static __inline__ int drm_core_check_feature(struct drm_device *dev,
                                              int feature)
 {
         return ((dev->driver->driver_features & feature) ? 1 : 0);
 }
 
+
+static inline int drm_dev_to_irq(struct drm_device *dev)
+{
+        if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE))
+                return platform_get_irq(dev->platformdev, 0);
+        else
+                return dev->pdev->irq;
+}
+
 #ifdef __alpha__
 #define drm_get_pci_domain(dev) dev->hose->index
 #else
@@ -1273,10 +1285,6 @@ extern int drm_freebufs(struct drm_device *dev, void *data,
 extern int drm_mapbufs(struct drm_device *dev, void *data,
                        struct drm_file *file_priv);
 extern int drm_order(unsigned long size);
-extern resource_size_t drm_get_resource_start(struct drm_device *dev,
-                                              unsigned int resource);
-extern resource_size_t drm_get_resource_len(struct drm_device *dev,
-                                            unsigned int resource);
 
                                 /* DMA support (drm_dma.h) */
 extern int drm_dma_setup(struct drm_device *dev);
@@ -1351,8 +1359,11 @@ extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
 struct drm_master *drm_master_create(struct drm_minor *minor);
 extern struct drm_master *drm_master_get(struct drm_master *master);
 extern void drm_master_put(struct drm_master **master);
-extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
-                       struct drm_driver *driver);
+extern int drm_get_pci_dev(struct pci_dev *pdev,
+                           const struct pci_device_id *ent,
+                           struct drm_driver *driver);
+extern int drm_get_platform_dev(struct platform_device *pdev,
+                                struct drm_driver *driver);
 extern void drm_put_dev(struct drm_device *dev);
 extern int drm_put_minor(struct drm_minor **minor);
 extern unsigned int drm_debug;
@@ -1529,6 +1540,9 @@ static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev,
 
 static __inline__ int drm_device_is_agp(struct drm_device *dev)
 {
+        if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE))
+                return 0;
+
         if (dev->driver->device_is_agp != NULL) {
                 int err = (*dev->driver->device_is_agp) (dev);
 
@@ -1542,7 +1556,10 @@ static __inline__ int drm_device_is_agp(struct drm_device *dev)
 
 static __inline__ int drm_device_is_pcie(struct drm_device *dev)
 {
-        return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP);
+        if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE))
+                return 0;
+        else
+                return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP);
 }
 
 static __inline__ void drm_core_dropmap(struct drm_local_map *map)
@@ -1550,6 +1567,21 @@ static __inline__ void drm_core_dropmap(struct drm_local_map *map)
 }
 
 #include "drm_mem_util.h"
+
+static inline void *drm_get_device(struct drm_device *dev)
+{
+        if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE))
+                return dev->platformdev;
+        else
+                return dev->pdev;
+}
+
+extern int drm_platform_init(struct drm_driver *driver);
+extern int drm_pci_init(struct drm_driver *driver);
+extern int drm_fill_in_dev(struct drm_device *dev,
+                           const struct pci_device_id *ent,
+                           struct drm_driver *driver);
+int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int type);
 /*@}*/
 
 #endif                          /* __KERNEL__ */