1 files changed, 14 insertions, 386 deletions

diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c
index 1eb4fc3eee20..cb0f68d7f8ea 100644
--- a/drivers/gpu/drm/drm_pci.c
+++ b/drivers/gpu/drm/drm_pci.c
@@ -22,105 +22,18 @@
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
+#include <linux/dma-mapping.h>
+#include <linux/list.h>
+#include <linux/mutex.h>
 #include <linux/pci.h>
 #include <linux/slab.h>
-#include <linux/dma-mapping.h>
-#include <linux/export.h>
-#include <drm/drm_pci.h>
-#include <drm/drmP.h>
-#include "drm_internal.h"
-#include "drm_legacy.h"
-
-/**
- * drm_pci_alloc - Allocate a PCI consistent memory block, for DMA.
- * @dev: DRM device
- * @size: size of block to allocate
- * @align: alignment of block
- *
- * FIXME: This is a needless abstraction of the Linux dma-api and should be
- * removed.
- *
- * Return: A handle to the allocated memory block on success or NULL on
- * failure.
- */
-drm_dma_handle_t *drm_pci_alloc(struct drm_device * dev, size_t size, size_t align)
-{
-	drm_dma_handle_t *dmah;
-	unsigned long addr;
-	size_t sz;
-
-	/* pci_alloc_consistent only guarantees alignment to the smallest
-	 * PAGE_SIZE order which is greater than or equal to the requested size.
-	 * Return NULL here for now to make sure nobody tries for larger alignment
-	 */
-	if (align > size)
-		return NULL;
-
-	dmah = kmalloc(sizeof(drm_dma_handle_t), GFP_KERNEL);
-	if (!dmah)
-		return NULL;
-
-	dmah->size = size;
-	dmah->vaddr = dma_alloc_coherent(&dev->pdev->dev, size, &dmah->busaddr, GFP_KERNEL | __GFP_COMP);
-
-	if (dmah->vaddr == NULL) {
-		kfree(dmah);
-		return NULL;
-	}
-
-	memset(dmah->vaddr, 0, size);
-
-	/* XXX - Is virt_to_page() legal for consistent mem? */
-	/* Reserve */
-	for (addr = (unsigned long)dmah->vaddr, sz = size;
-	     sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) {
-		SetPageReserved(virt_to_page((void *)addr));
-	}
-
-	return dmah;
-}
-
-EXPORT_SYMBOL(drm_pci_alloc);
-
-/*
- * Free a PCI consistent memory block without freeing its descriptor.
- *
- * This function is for internal use in the Linux-specific DRM core code.
- */
-void __drm_legacy_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah)
-{
-	unsigned long addr;
-	size_t sz;
-
-	if (dmah->vaddr) {
-		/* XXX - Is virt_to_page() legal for consistent mem? */
-		/* Unreserve */
-		for (addr = (unsigned long)dmah->vaddr, sz = dmah->size;
-		     sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) {
-			ClearPageReserved(virt_to_page((void *)addr));
-		}
-		dma_free_coherent(&dev->pdev->dev, dmah->size, dmah->vaddr,
-				  dmah->busaddr);
-	}
-}
-
-/**
- * drm_pci_free - Free a PCI consistent memory block
- * @dev: DRM device
- * @dmah: handle to memory block
- *
- * FIXME: This is a needless abstraction of the Linux dma-api and should be
- * removed.
- */
-void drm_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah)
-{
-	__drm_legacy_pci_free(dev, dmah);
-	kfree(dmah);
-}
 
-EXPORT_SYMBOL(drm_pci_free);
+#include <drm/drm_auth.h>
+#include <drm/drm.h>
+#include <drm/drm_drv.h>
+#include <drm/drm_print.h>
 
-#ifdef CONFIG_PCI
+#include "drm_internal.h"
 
 static int drm_get_pci_domain(struct drm_device *dev)
 {
@@ -133,306 +46,21 @@ static int drm_get_pci_domain(struct drm_device *dev)
 		return 0;
 #endif /* __alpha__ */
 
-	return pci_domain_nr(dev->pdev->bus);
+	return pci_domain_nr(to_pci_dev(dev->dev)->bus);
 }
 
 int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master)
 {
+	struct pci_dev *pdev = to_pci_dev(dev->dev);
+
 	master->unique = kasprintf(GFP_KERNEL, "pci:%04x:%02x:%02x.%d",
 					drm_get_pci_domain(dev),
-					dev->pdev->bus->number,
-					PCI_SLOT(dev->pdev->devfn),
-					PCI_FUNC(dev->pdev->devfn));
+					pdev->bus->number,
+					PCI_SLOT(pdev->devfn),
+					PCI_FUNC(pdev->devfn));
 	if (!master->unique)
 		return -ENOMEM;
 
 	master->unique_len = strlen(master->unique);
 	return 0;
 }
-EXPORT_SYMBOL(drm_pci_set_busid);
-
-static int drm_pci_irq_by_busid(struct drm_device *dev, struct drm_irq_busid *p)
-{
-	if ((p->busnum >> 8) != drm_get_pci_domain(dev) ||
-	    (p->busnum & 0xff) != dev->pdev->bus->number ||
-	    p->devnum != PCI_SLOT(dev->pdev->devfn) || p->funcnum != PCI_FUNC(dev->pdev->devfn))
-		return -EINVAL;
-
-	p->irq = dev->pdev->irq;
-
-	DRM_DEBUG("%d:%d:%d => IRQ %d\n", p->busnum, p->devnum, p->funcnum,
-		  p->irq);
-	return 0;
-}
-
-/**
- * drm_irq_by_busid - Get interrupt from bus ID
- * @dev: DRM device
- * @data: IOCTL parameter pointing to a drm_irq_busid structure
- * @file_priv: DRM file private.
- *
- * Finds the PCI device with the specified bus id and gets its IRQ number.
- * This IOCTL is deprecated, and will now return EINVAL for any busid not equal
- * to that of the device that this DRM instance attached to.
- *
- * Return: 0 on success or a negative error code on failure.
- */
-int drm_irq_by_busid(struct drm_device *dev, void *data,
-		     struct drm_file *file_priv)
-{
-	struct drm_irq_busid *p = data;
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EINVAL;
-
-	/* UMS was only ever support on PCI devices. */
-	if (WARN_ON(!dev->pdev))
-		return -EINVAL;
-
-	if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
-		return -EINVAL;
-
-	return drm_pci_irq_by_busid(dev, p);
-}
-
-static void drm_pci_agp_init(struct drm_device *dev)
-{
-	if (drm_core_check_feature(dev, DRIVER_USE_AGP)) {
-		if (pci_find_capability(dev->pdev, PCI_CAP_ID_AGP))
-			dev->agp = drm_agp_init(dev);
-		if (dev->agp) {
-			dev->agp->agp_mtrr = arch_phys_wc_add(
-				dev->agp->agp_info.aper_base,
-				dev->agp->agp_info.aper_size *
-				1024 * 1024);
-		}
-	}
-}
-
-void drm_pci_agp_destroy(struct drm_device *dev)
-{
-	if (dev->agp) {
-		arch_phys_wc_del(dev->agp->agp_mtrr);
-		drm_legacy_agp_clear(dev);
-		kfree(dev->agp);
-		dev->agp = NULL;
-	}
-}
-
-/**
- * drm_get_pci_dev - Register a PCI device with the DRM subsystem
- * @pdev: PCI device
- * @ent: entry from the PCI ID table that matches @pdev
- * @driver: DRM device driver
- *
- * 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.
- *
- * NOTE: This function is deprecated, please use drm_dev_alloc() and
- * drm_dev_register() instead and remove your &drm_driver.load callback.
- *
- * Return: 0 on success or a negative error code on failure.
- */
-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 = drm_dev_alloc(driver, &pdev->dev);
-	if (IS_ERR(dev))
-		return PTR_ERR(dev);
-
-	ret = pci_enable_device(pdev);
-	if (ret)
-		goto err_free;
-
-	dev->pdev = pdev;
-#ifdef __alpha__
-	dev->hose = pdev->sysdata;
-#endif
-
-	if (drm_core_check_feature(dev, DRIVER_MODESET))
-		pci_set_drvdata(pdev, dev);
-
-	drm_pci_agp_init(dev);
-
-	ret = drm_dev_register(dev, ent->driver_data);
-	if (ret)
-		goto err_agp;
-
-	/* No locking needed since shadow-attach is single-threaded since it may
-	 * only be called from the per-driver module init hook. */
-	if (drm_core_check_feature(dev, DRIVER_LEGACY))
-		list_add_tail(&dev->legacy_dev_list, &driver->legacy_dev_list);
-
-	return 0;
-
-err_agp:
-	drm_pci_agp_destroy(dev);
-	pci_disable_device(pdev);
-err_free:
-	drm_dev_unref(dev);
-	return ret;
-}
-EXPORT_SYMBOL(drm_get_pci_dev);
-
-/**
- * drm_pci_init - Register matching PCI devices with the DRM subsystem
- * @driver: DRM device driver
- * @pdriver: PCI device driver
- *
- * Initializes a drm_device structures, registering the stubs and initializing
- * the AGP device.
- *
- * NOTE: This function is deprecated. Modern modesetting drm drivers should use
- * pci_register_driver() directly, this function only provides shadow-binding
- * support for old legacy drivers on top of that core pci function.
- *
- * Return: 0 on success or a negative error code on failure.
- */
-int drm_pci_init(struct drm_driver *driver, struct pci_driver *pdriver)
-{
-	struct pci_dev *pdev = NULL;
-	const struct pci_device_id *pid;
-	int i;
-
-	DRM_DEBUG("\n");
-
-	if (!(driver->driver_features & DRIVER_LEGACY))
-		return pci_register_driver(pdriver);
-
-	/* If not using KMS, fall back to stealth mode manual scanning. */
-	INIT_LIST_HEAD(&driver->legacy_dev_list);
-	for (i = 0; pdriver->id_table[i].vendor != 0; i++) {
-		pid = &pdriver->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;
-}
-
-int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *mask)
-{
-	struct pci_dev *root;
-	u32 lnkcap, lnkcap2;
-
-	*mask = 0;
-	if (!dev->pdev)
-		return -EINVAL;
-
-	root = dev->pdev->bus->self;
-
-	/* we've been informed via and serverworks don't make the cut */
-	if (root->vendor == PCI_VENDOR_ID_VIA ||
-	    root->vendor == PCI_VENDOR_ID_SERVERWORKS)
-		return -EINVAL;
-
-	pcie_capability_read_dword(root, PCI_EXP_LNKCAP, &lnkcap);
-	pcie_capability_read_dword(root, PCI_EXP_LNKCAP2, &lnkcap2);
-
-	if (lnkcap2) {	/* PCIe r3.0-compliant */
-		if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_2_5GB)
-			*mask |= DRM_PCIE_SPEED_25;
-		if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_5_0GB)
-			*mask |= DRM_PCIE_SPEED_50;
-		if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_8_0GB)
-			*mask |= DRM_PCIE_SPEED_80;
-	} else {	/* pre-r3.0 */
-		if (lnkcap & PCI_EXP_LNKCAP_SLS_2_5GB)
-			*mask |= DRM_PCIE_SPEED_25;
-		if (lnkcap & PCI_EXP_LNKCAP_SLS_5_0GB)
-			*mask |= (DRM_PCIE_SPEED_25 | DRM_PCIE_SPEED_50);
-	}
-
-	DRM_INFO("probing gen 2 caps for device %x:%x = %x/%x\n", root->vendor, root->device, lnkcap, lnkcap2);
-	return 0;
-}
-EXPORT_SYMBOL(drm_pcie_get_speed_cap_mask);
-
-int drm_pcie_get_max_link_width(struct drm_device *dev, u32 *mlw)
-{
-	struct pci_dev *root;
-	u32 lnkcap;
-
-	*mlw = 0;
-	if (!dev->pdev)
-		return -EINVAL;
-
-	root = dev->pdev->bus->self;
-
-	pcie_capability_read_dword(root, PCI_EXP_LNKCAP, &lnkcap);
-
-	*mlw = (lnkcap & PCI_EXP_LNKCAP_MLW) >> 4;
-
-	DRM_INFO("probing mlw for device %x:%x = %x\n", root->vendor, root->device, lnkcap);
-	return 0;
-}
-EXPORT_SYMBOL(drm_pcie_get_max_link_width);
-
-#else
-
-int drm_pci_init(struct drm_driver *driver, struct pci_driver *pdriver)
-{
-	return -1;
-}
-
-void drm_pci_agp_destroy(struct drm_device *dev) {}
-
-int drm_irq_by_busid(struct drm_device *dev, void *data,
-		     struct drm_file *file_priv)
-{
-	return -EINVAL;
-}
-#endif
-
-EXPORT_SYMBOL(drm_pci_init);
-
-/**
- * drm_pci_exit - Unregister matching PCI devices from the DRM subsystem
- * @driver: DRM device driver
- * @pdriver: PCI device driver
- *
- * Unregisters one or more devices matched by a PCI driver from the DRM
- * subsystem.
- *
- * NOTE: This function is deprecated. Modern modesetting drm drivers should use
- * pci_unregister_driver() directly, this function only provides shadow-binding
- * support for old legacy drivers on top of that core pci function.
- */
-void drm_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver)
-{
-	struct drm_device *dev, *tmp;
-	DRM_DEBUG("\n");
-
-	if (!(driver->driver_features & DRIVER_LEGACY)) {
-		pci_unregister_driver(pdriver);
-	} else {
-		list_for_each_entry_safe(dev, tmp, &driver->legacy_dev_list,
-					 legacy_dev_list) {
-			list_del(&dev->legacy_dev_list);
-			drm_put_dev(dev);
-		}
-	}
-	DRM_INFO("Module unloaded\n");
-}
-EXPORT_SYMBOL(drm_pci_exit);