drm: Remove source code for non-KMS drivers

Remove all remaining source code for non-KMS drivers. These drivers
have been removed in v6.3 and won't comeback.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: David Airlie <airlied@gmail.com>
Reviewed-by: Daniel Vetter <daniel@ffwll.ch>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231122122449.11588-13-tzimmermann@suse.de

drivers/gpu/drm/Makefile

@@ -47,18 +47,6 @@ drm-y := \
 	drm_vblank_work.o \
 	drm_vma_manager.o \
 	drm_writeback.o
-drm-$(CONFIG_DRM_LEGACY) += \
-	drm_agpsupport.o \
-	drm_bufs.o \
-	drm_context.o \
-	drm_dma.o \
-	drm_hashtab.o \
-	drm_irq.o \
-	drm_legacy_misc.o \
-	drm_lock.o \
-	drm_memory.o \
-	drm_scatter.o \
-	drm_vm.o
 drm-$(CONFIG_DRM_LIB_RANDOM) += lib/drm_random.o
 drm-$(CONFIG_COMPAT) += drm_ioc32.o
 drm-$(CONFIG_DRM_PANEL) += drm_panel.o

drivers/gpu/drm/drm_dma.c

-/*
- * \file drm_dma.c
- * DMA IOCTL and function support
- *
- * \author Rickard E. (Rik) Faith <faith@valinux.com>
- * \author Gareth Hughes <gareth@valinux.com>
- */
-
-/*
- * Created: Fri Mar 19 14:30:16 1999 by faith@valinux.com
- *
- * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * 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
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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 <linux/export.h>
-#include <linux/pci.h>
-
-#include <drm/drm_drv.h>
-#include <drm/drm_print.h>
-
-#include "drm_legacy.h"
-
-/**
- * drm_legacy_dma_setup() - Initialize the DMA data.
- *
- * @dev: DRM device.
- * Return: zero on success or a negative value on failure.
- *
- * Allocate and initialize a drm_device_dma structure.
- */
-int drm_legacy_dma_setup(struct drm_device *dev)
-{
-	int i;
-
-	if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA) ||
-	    !drm_core_check_feature(dev, DRIVER_LEGACY))
-		return 0;
-
-	dev->buf_use = 0;
-	atomic_set(&dev->buf_alloc, 0);
-
-	dev->dma = kzalloc(sizeof(*dev->dma), GFP_KERNEL);
-	if (!dev->dma)
-		return -ENOMEM;
-
-	for (i = 0; i <= DRM_MAX_ORDER; i++)
-		memset(&dev->dma->bufs[i], 0, sizeof(dev->dma->bufs[0]));
-
-	return 0;
-}
-
-/**
- * drm_legacy_dma_takedown() - Cleanup the DMA resources.
- *
- * @dev: DRM device.
- *
- * Free all pages associated with DMA buffers, the buffers and pages lists, and
- * finally the drm_device::dma structure itself.
- */
-void drm_legacy_dma_takedown(struct drm_device *dev)
-{
-	struct drm_device_dma *dma = dev->dma;
-	drm_dma_handle_t *dmah;
-	int i, j;
-
-	if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA) ||
-	    !drm_core_check_feature(dev, DRIVER_LEGACY))
-		return;
-
-	if (!dma)
-		return;
-
-	/* Clear dma buffers */
-	for (i = 0; i <= DRM_MAX_ORDER; i++) {
-		if (dma->bufs[i].seg_count) {
-			DRM_DEBUG("order %d: buf_count = %d,"
-				  " seg_count = %d\n",
-				  i,
-				  dma->bufs[i].buf_count,
-				  dma->bufs[i].seg_count);
-			for (j = 0; j < dma->bufs[i].seg_count; j++) {
-				if (dma->bufs[i].seglist[j]) {
-					dmah = dma->bufs[i].seglist[j];
-					dma_free_coherent(dev->dev,
-							  dmah->size,
-							  dmah->vaddr,
-							  dmah->busaddr);
-					kfree(dmah);
-				}
-			}
-			kfree(dma->bufs[i].seglist);
-		}
-		if (dma->bufs[i].buf_count) {
-			for (j = 0; j < dma->bufs[i].buf_count; j++) {
-				kfree(dma->bufs[i].buflist[j].dev_private);
-			}
-			kfree(dma->bufs[i].buflist);
-		}
-	}
-
-	kfree(dma->buflist);
-	kfree(dma->pagelist);
-	kfree(dev->dma);
-	dev->dma = NULL;
-}
-
-/**
- * drm_legacy_free_buffer() - Free a buffer.
- *
- * @dev: DRM device.
- * @buf: buffer to free.
- *
- * Resets the fields of \p buf.
- */
-void drm_legacy_free_buffer(struct drm_device *dev, struct drm_buf * buf)
-{
-	if (!buf)
-		return;
-
-	buf->waiting = 0;
-	buf->pending = 0;
-	buf->file_priv = NULL;
-	buf->used = 0;
-}
-
-/**
- * drm_legacy_reclaim_buffers() - Reclaim the buffers.
- *
- * @dev: DRM device.
- * @file_priv: DRM file private.
- *
- * Frees each buffer associated with \p file_priv not already on the hardware.
- */
-void drm_legacy_reclaim_buffers(struct drm_device *dev,
-				struct drm_file *file_priv)
-{
-	struct drm_device_dma *dma = dev->dma;
-	int i;
-
-	if (!dma)
-		return;
-	for (i = 0; i < dma->buf_count; i++) {
-		if (dma->buflist[i]->file_priv == file_priv) {
-			switch (dma->buflist[i]->list) {
-			case DRM_LIST_NONE:
-				drm_legacy_free_buffer(dev, dma->buflist[i]);
-				break;
-			case DRM_LIST_WAIT:
-				dma->buflist[i]->list = DRM_LIST_RECLAIM;
-				break;
-			default:
-				/* Buffer already on hardware. */
-				break;
-			}
-		}
-	}
-}

drivers/gpu/drm/drm_hashtab.c

-/**************************************************************************
- *
- * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND. USA.
- * 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, sub license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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.
- *
- *
- **************************************************************************/
-/*
- * Simple open hash tab implementation.
- *
- * Authors:
- * Thomas Hellström <thomas-at-tungstengraphics-dot-com>
- */
-
-#include <linux/hash.h>
-#include <linux/mm.h>
-#include <linux/rculist.h>
-#include <linux/slab.h>
-#include <linux/vmalloc.h>
-
-#include <drm/drm_print.h>
-
-#include "drm_legacy.h"
-
-int drm_ht_create(struct drm_open_hash *ht, unsigned int order)
-{
-	unsigned int size = 1 << order;
-
-	ht->order = order;
-	ht->table = NULL;
-	if (size <= PAGE_SIZE / sizeof(*ht->table))
-		ht->table = kcalloc(size, sizeof(*ht->table), GFP_KERNEL);
-	else
-		ht->table = vzalloc(array_size(size, sizeof(*ht->table)));
-	if (!ht->table) {
-		DRM_ERROR("Out of memory for hash table\n");
-		return -ENOMEM;
-	}
-	return 0;
-}
-
-void drm_ht_verbose_list(struct drm_open_hash *ht, unsigned long key)
-{
-	struct drm_hash_item *entry;
-	struct hlist_head *h_list;
-	unsigned int hashed_key;
-	int count = 0;
-
-	hashed_key = hash_long(key, ht->order);
-	DRM_DEBUG("Key is 0x%08lx, Hashed key is 0x%08x\n", key, hashed_key);
-	h_list = &ht->table[hashed_key];
-	hlist_for_each_entry(entry, h_list, head)
-		DRM_DEBUG("count %d, key: 0x%08lx\n", count++, entry->key);
-}
-
-static struct hlist_node *drm_ht_find_key(struct drm_open_hash *ht,
-					  unsigned long key)
-{
-	struct drm_hash_item *entry;
-	struct hlist_head *h_list;
-	unsigned int hashed_key;
-
-	hashed_key = hash_long(key, ht->order);
-	h_list = &ht->table[hashed_key];
-	hlist_for_each_entry(entry, h_list, head) {
-		if (entry->key == key)
-			return &entry->head;
-		if (entry->key > key)
-			break;
-	}
-	return NULL;
-}
-
-static struct hlist_node *drm_ht_find_key_rcu(struct drm_open_hash *ht,
-					      unsigned long key)
-{
-	struct drm_hash_item *entry;
-	struct hlist_head *h_list;
-	unsigned int hashed_key;
-
-	hashed_key = hash_long(key, ht->order);
-	h_list = &ht->table[hashed_key];
-	hlist_for_each_entry_rcu(entry, h_list, head) {
-		if (entry->key == key)
-			return &entry->head;
-		if (entry->key > key)
-			break;
-	}
-	return NULL;
-}
-
-int drm_ht_insert_item(struct drm_open_hash *ht, struct drm_hash_item *item)
-{
-	struct drm_hash_item *entry;
-	struct hlist_head *h_list;
-	struct hlist_node *parent;
-	unsigned int hashed_key;
-	unsigned long key = item->key;
-
-	hashed_key = hash_long(key, ht->order);
-	h_list = &ht->table[hashed_key];
-	parent = NULL;
-	hlist_for_each_entry(entry, h_list, head) {
-		if (entry->key == key)
-			return -EINVAL;
-		if (entry->key > key)
-			break;
-		parent = &entry->head;
-	}
-	if (parent) {
-		hlist_add_behind_rcu(&item->head, parent);
-	} else {
-		hlist_add_head_rcu(&item->head, h_list);
-	}
-	return 0;
-}
-
-/*
- * Just insert an item and return any "bits" bit key that hasn't been
- * used before.
- */
-int drm_ht_just_insert_please(struct drm_open_hash *ht, struct drm_hash_item *item,
-			      unsigned long seed, int bits, int shift,
-			      unsigned long add)
-{
-	int ret;
-	unsigned long mask = (1UL << bits) - 1;
-	unsigned long first, unshifted_key;
-
-	unshifted_key = hash_long(seed, bits);
-	first = unshifted_key;
-	do {
-		item->key = (unshifted_key << shift) + add;
-		ret = drm_ht_insert_item(ht, item);
-		if (ret)
-			unshifted_key = (unshifted_key + 1) & mask;
-	} while(ret && (unshifted_key != first));
-
-	if (ret) {
-		DRM_ERROR("Available key bit space exhausted\n");
-		return -EINVAL;
-	}
-	return 0;
-}
-
-int drm_ht_find_item(struct drm_open_hash *ht, unsigned long key,
-		     struct drm_hash_item **item)
-{
-	struct hlist_node *list;
-
-	list = drm_ht_find_key_rcu(ht, key);
-	if (!list)
-		return -EINVAL;
-
-	*item = hlist_entry(list, struct drm_hash_item, head);
-	return 0;
-}
-
-int drm_ht_remove_key(struct drm_open_hash *ht, unsigned long key)
-{
-	struct hlist_node *list;
-
-	list = drm_ht_find_key(ht, key);
-	if (list) {
-		hlist_del_init_rcu(list);
-		return 0;
-	}
-	return -EINVAL;
-}
-
-int drm_ht_remove_item(struct drm_open_hash *ht, struct drm_hash_item *item)
-{
-	hlist_del_init_rcu(&item->head);
-	return 0;
-}
-
-void drm_ht_remove(struct drm_open_hash *ht)
-{
-	if (ht->table) {
-		kvfree(ht->table);
-		ht->table = NULL;
-	}
-}

drivers/gpu/drm/drm_internal.h

@@ -121,11 +121,6 @@ int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
 /* drm_irq.c */
 
 /* IOCTLS */
-#if IS_ENABLED(CONFIG_DRM_LEGACY)
-int drm_legacy_irq_control(struct drm_device *dev, void *data,
-			   struct drm_file *file_priv);
-#endif
-
 int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data,
 				struct drm_file *filp);
 

drivers/gpu/drm/drm_irq.c

-/*
- * drm_irq.c IRQ and vblank support
- *
- * \author Rickard E. (Rik) Faith <faith@valinux.com>
- * \author Gareth Hughes <gareth@valinux.com>
- *
- * 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
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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.
- */
-
-/*
- * Created: Fri Mar 19 14:30:16 1999 by faith@valinux.com
- *
- * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * 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
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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 <linux/export.h>
-#include <linux/interrupt.h>	/* For task queue support */
-#include <linux/pci.h>
-#include <linux/vgaarb.h>
-
-#include <drm/drm.h>
-#include <drm/drm_device.h>
-#include <drm/drm_drv.h>
-#include <drm/drm_legacy.h>
-#include <drm/drm_print.h>
-#include <drm/drm_vblank.h>
-
-#include "drm_internal.h"
-
-static int drm_legacy_irq_install(struct drm_device *dev, int irq)
-{
-	int ret;
-	unsigned long sh_flags = 0;
-
-	if (irq == 0)
-		return -EINVAL;
-
-	if (dev->irq_enabled)
-		return -EBUSY;
-	dev->irq_enabled = true;
-
-	DRM_DEBUG("irq=%d\n", irq);
-
-	/* Before installing handler */
-	if (dev->driver->irq_preinstall)
-		dev->driver->irq_preinstall(dev);
-
-	/* PCI devices require shared interrupts. */
-	if (dev_is_pci(dev->dev))
-		sh_flags = IRQF_SHARED;
-
-	ret = request_irq(irq, dev->driver->irq_handler,
-			  sh_flags, dev->driver->name, dev);
-
-	if (ret < 0) {
-		dev->irq_enabled = false;
-		return ret;
-	}
-
-	/* After installing handler */
-	if (dev->driver->irq_postinstall)
-		ret = dev->driver->irq_postinstall(dev);
-
-	if (ret < 0) {
-		dev->irq_enabled = false;
-		if (drm_core_check_feature(dev, DRIVER_LEGACY))
-			vga_client_unregister(to_pci_dev(dev->dev));
-		free_irq(irq, dev);
-	} else {
-		dev->irq = irq;
-	}
-
-	return ret;
-}
-
-int drm_legacy_irq_uninstall(struct drm_device *dev)
-{
-	unsigned long irqflags;
-	bool irq_enabled;
-	int i;
-
-	irq_enabled = dev->irq_enabled;
-	dev->irq_enabled = false;
-
-	/*
-	 * Wake up any waiters so they don't hang. This is just to paper over
-	 * issues for UMS drivers which aren't in full control of their
-	 * vblank/irq handling. KMS drivers must ensure that vblanks are all
-	 * disabled when uninstalling the irq handler.
-	 */
-	if (drm_dev_has_vblank(dev)) {
-		spin_lock_irqsave(&dev->vbl_lock, irqflags);
-		for (i = 0; i < dev->num_crtcs; i++) {
-			struct drm_vblank_crtc *vblank = &dev->vblank[i];
-
-			if (!vblank->enabled)
-				continue;
-
-			WARN_ON(drm_core_check_feature(dev, DRIVER_MODESET));
-
-			drm_vblank_disable_and_save(dev, i);
-			wake_up(&vblank->queue);
-		}
-		spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
-	}
-
-	if (!irq_enabled)
-		return -EINVAL;
-
-	DRM_DEBUG("irq=%d\n", dev->irq);
-
-	if (drm_core_check_feature(dev, DRIVER_LEGACY))
-		vga_client_unregister(to_pci_dev(dev->dev));
-
-	if (dev->driver->irq_uninstall)
-		dev->driver->irq_uninstall(dev);
-
-	free_irq(dev->irq, dev);
-
-	return 0;
-}
-EXPORT_SYMBOL(drm_legacy_irq_uninstall);
-
-int drm_legacy_irq_control(struct drm_device *dev, void *data,
-			   struct drm_file *file_priv)
-{
-	struct drm_control *ctl = data;
-	int ret = 0, irq;
-	struct pci_dev *pdev;
-
-	/* if we haven't irq we fallback for compatibility reasons -
-	 * this used to be a separate function in drm_dma.h
-	 */
-
-	if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
-		return 0;
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return 0;
-	/* UMS was only ever supported on pci devices. */
-	if (WARN_ON(!dev_is_pci(dev->dev)))
-		return -EINVAL;
-
-	switch (ctl->func) {
-	case DRM_INST_HANDLER:
-		pdev = to_pci_dev(dev->dev);
-		irq = pdev->irq;
-
-		if (dev->if_version < DRM_IF_VERSION(1, 2) &&
-		    ctl->irq != irq)
-			return -EINVAL;
-		mutex_lock(&dev->struct_mutex);
-		ret = drm_legacy_irq_install(dev, irq);
-		mutex_unlock(&dev->struct_mutex);
-
-		return ret;
-	case DRM_UNINST_HANDLER:
-		mutex_lock(&dev->struct_mutex);
-		ret = drm_legacy_irq_uninstall(dev);
-		mutex_unlock(&dev->struct_mutex);
-
-		return ret;
-	default:
-		return -EINVAL;
-	}
-}

drivers/gpu/drm/drm_legacy_misc.c

-/*
- * \file drm_legacy_misc.c
- * Misc legacy support functions.
- *
- * \author Rickard E. (Rik) Faith <faith@valinux.com>
- * \author Gareth Hughes <gareth@valinux.com>
- */
-
-/*
- * Created: Tue Feb  2 08:37:54 1999 by faith@valinux.com
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * 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
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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 <drm/drm_device.h>
-#include <drm/drm_drv.h>
-#include <drm/drm_print.h>
-
-#include "drm_internal.h"
-#include "drm_legacy.h"
-
-void drm_legacy_init_members(struct drm_device *dev)
-{
-	INIT_LIST_HEAD(&dev->ctxlist);
-	INIT_LIST_HEAD(&dev->vmalist);
-	INIT_LIST_HEAD(&dev->maplist);
-	spin_lock_init(&dev->buf_lock);
-	mutex_init(&dev->ctxlist_mutex);
-}
-
-void drm_legacy_destroy_members(struct drm_device *dev)
-{
-	mutex_destroy(&dev->ctxlist_mutex);
-}
-
-int drm_legacy_setup(struct drm_device * dev)
-{
-	int ret;
-
-	if (dev->driver->firstopen &&
-	    drm_core_check_feature(dev, DRIVER_LEGACY)) {
-		ret = dev->driver->firstopen(dev);
-		if (ret != 0)
-			return ret;
-	}
-
-	ret = drm_legacy_dma_setup(dev);
-	if (ret < 0)
-		return ret;
-
-
-	DRM_DEBUG("\n");
-	return 0;
-}
-
-void drm_legacy_dev_reinit(struct drm_device *dev)
-{
-	if (dev->irq_enabled)
-		drm_legacy_irq_uninstall(dev);
-
-	mutex_lock(&dev->struct_mutex);
-
-	drm_legacy_agp_clear(dev);
-
-	drm_legacy_sg_cleanup(dev);
-	drm_legacy_vma_flush(dev);
-	drm_legacy_dma_takedown(dev);
-
-	mutex_unlock(&dev->struct_mutex);
-
-	dev->sigdata.lock = NULL;
-
-	dev->context_flag = 0;
-	dev->last_context = 0;
-	dev->if_version = 0;
-
-	DRM_DEBUG("lastclose completed\n");
-}
-
-void drm_master_legacy_init(struct drm_master *master)
-{
-	spin_lock_init(&master->lock.spinlock);
-	init_waitqueue_head(&master->lock.lock_queue);
-}

drivers/gpu/drm/drm_memory.c

-/*
- * \file drm_memory.c
- * Memory management wrappers for DRM
- *
- * \author Rickard E. (Rik) Faith <faith@valinux.com>
- * \author Gareth Hughes <gareth@valinux.com>
- */
-
-/*
- * Created: Thu Feb  4 14:00:34 1999 by faith@valinux.com
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * 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
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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 <linux/export.h>
-#include <linux/highmem.h>
-#include <linux/pci.h>
-#include <linux/vmalloc.h>
-
-#include <drm/drm_cache.h>
-#include <drm/drm_device.h>
-
-#include "drm_legacy.h"
-
-#if IS_ENABLED(CONFIG_AGP)
-
-#ifdef HAVE_PAGE_AGP
-# include <asm/agp.h>
-#else
-# ifdef __powerpc__
-#  define PAGE_AGP	pgprot_noncached_wc(PAGE_KERNEL)
-# else
-#  define PAGE_AGP	PAGE_KERNEL
-# endif
-#endif
-
-static void *agp_remap(unsigned long offset, unsigned long size,
-		       struct drm_device *dev)
-{
-	unsigned long i, num_pages =
-	    PAGE_ALIGN(size) / PAGE_SIZE;
-	struct drm_agp_mem *agpmem;
-	struct page **page_map;
-	struct page **phys_page_map;
-	void *addr;
-
-	size = PAGE_ALIGN(size);
-
-#ifdef __alpha__
-	offset -= dev->hose->mem_space->start;
-#endif
-
-	list_for_each_entry(agpmem, &dev->agp->memory, head)
-		if (agpmem->bound <= offset
-		    && (agpmem->bound + (agpmem->pages << PAGE_SHIFT)) >=
-		    (offset + size))
-			break;
-	if (&agpmem->head == &dev->agp->memory)
-		return NULL;
-
-	/*
-	 * OK, we're mapping AGP space on a chipset/platform on which memory accesses by
-	 * the CPU do not get remapped by the GART.  We fix this by using the kernel's
-	 * page-table instead (that's probably faster anyhow...).
-	 */
-	/* note: use vmalloc() because num_pages could be large... */
-	page_map = vmalloc(array_size(num_pages, sizeof(struct page *)));
-	if (!page_map)
-		return NULL;
-
-	phys_page_map = (agpmem->memory->pages + (offset - agpmem->bound) / PAGE_SIZE);
-	for (i = 0; i < num_pages; ++i)
-		page_map[i] = phys_page_map[i];
-	addr = vmap(page_map, num_pages, VM_IOREMAP, PAGE_AGP);
-	vfree(page_map);
-
-	return addr;
-}
-
-#else /*  CONFIG_AGP  */
-static inline void *agp_remap(unsigned long offset, unsigned long size,
-			      struct drm_device *dev)
-{
-	return NULL;
-}
-
-#endif /* CONFIG_AGP */
-
-void drm_legacy_ioremap(struct drm_local_map *map, struct drm_device *dev)
-{
-	if (dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP)
-		map->handle = agp_remap(map->offset, map->size, dev);
-	else
-		map->handle = ioremap(map->offset, map->size);
-}
-EXPORT_SYMBOL(drm_legacy_ioremap);
-
-void drm_legacy_ioremap_wc(struct drm_local_map *map, struct drm_device *dev)
-{
-	if (dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP)
-		map->handle = agp_remap(map->offset, map->size, dev);
-	else
-		map->handle = ioremap_wc(map->offset, map->size);
-}
-EXPORT_SYMBOL(drm_legacy_ioremap_wc);
-
-void drm_legacy_ioremapfree(struct drm_local_map *map, struct drm_device *dev)
-{
-	if (!map->handle || !map->size)
-		return;
-
-	if (dev->agp && dev->agp->cant_use_aperture && map->type == _DRM_AGP)
-		vunmap(map->handle);
-	else
-		iounmap(map->handle);
-}
-EXPORT_SYMBOL(drm_legacy_ioremapfree);

drivers/gpu/drm/drm_pci.c

@@ -35,13 +35,6 @@
 #include <drm/drm_print.h>
 
 #include "drm_internal.h"
-#include "drm_legacy.h"
-
-#ifdef CONFIG_DRM_LEGACY
-/* List of devices hanging off drivers with stealth attach. */
-static LIST_HEAD(legacy_dev_list);
-static DEFINE_MUTEX(legacy_dev_list_lock);
-#endif
 
 static int drm_get_pci_domain(struct drm_device *dev)
 {
@@ -72,199 +65,3 @@ int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master)
 	master->unique_len = strlen(master->unique);
 	return 0;
 }
-
-#ifdef CONFIG_DRM_LEGACY
-
-static int drm_legacy_pci_irq_by_busid(struct drm_device *dev, struct drm_irq_busid *p)
-{
-	struct pci_dev *pdev = to_pci_dev(dev->dev);
-
-	if ((p->busnum >> 8) != drm_get_pci_domain(dev) ||
-	    (p->busnum & 0xff) != pdev->bus->number ||
-	    p->devnum != PCI_SLOT(pdev->devfn) || p->funcnum != PCI_FUNC(pdev->devfn))
-		return -EINVAL;
-
-	p->irq = pdev->irq;
-
-	DRM_DEBUG("%d:%d:%d => IRQ %d\n", p->busnum, p->devnum, p->funcnum,
-		  p->irq);
-	return 0;
-}
-
-/**
- * drm_legacy_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_legacy_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 -EOPNOTSUPP;
-
-	/* UMS was only ever support on PCI devices. */
-	if (WARN_ON(!dev_is_pci(dev->dev)))
-		return -EINVAL;
-
-	if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
-		return -EOPNOTSUPP;
-
-	return drm_legacy_pci_irq_by_busid(dev, p);
-}
-
-void drm_legacy_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;
-	}
-}
-
-static void drm_legacy_pci_agp_init(struct drm_device *dev)
-{
-	if (drm_core_check_feature(dev, DRIVER_USE_AGP)) {
-		if (pci_find_capability(to_pci_dev(dev->dev), PCI_CAP_ID_AGP))
-			dev->agp = drm_legacy_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);
-		}
-	}
-}
-
-static int drm_legacy_get_pci_dev(struct pci_dev *pdev,
-				  const struct pci_device_id *ent,
-				  const 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;
-
-#ifdef __alpha__
-	dev->hose = pdev->sysdata;
-#endif
-
-	drm_legacy_pci_agp_init(dev);
-
-	ret = drm_dev_register(dev, ent->driver_data);
-	if (ret)
-		goto err_agp;
-
-	if (drm_core_check_feature(dev, DRIVER_LEGACY)) {
-		mutex_lock(&legacy_dev_list_lock);
-		list_add_tail(&dev->legacy_dev_list, &legacy_dev_list);
-		mutex_unlock(&legacy_dev_list_lock);
-	}
-
-	return 0;
-
-err_agp:
-	drm_legacy_pci_agp_destroy(dev);
-	pci_disable_device(pdev);
-err_free:
-	drm_dev_put(dev);
-	return ret;
-}
-
-/**
- * drm_legacy_pci_init - shadow-attach a legacy DRM PCI driver
- * @driver: DRM device driver
- * @pdriver: PCI device driver
- *
- * This is only used by legacy dri1 drivers and deprecated.
- *
- * Return: 0 on success or a negative error code on failure.
- */
-int drm_legacy_pci_init(const 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 (WARN_ON(!(driver->driver_features & DRIVER_LEGACY)))
-		return -EINVAL;
-
-	/* If not using KMS, fall back to stealth mode manual scanning. */
-	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_legacy_get_pci_dev(pdev, pid, driver);
-		}
-	}
-	return 0;
-}
-EXPORT_SYMBOL(drm_legacy_pci_init);
-
-/**
- * drm_legacy_pci_exit - unregister shadow-attach legacy DRM driver
- * @driver: DRM device driver
- * @pdriver: PCI device driver
- *
- * Unregister a DRM driver shadow-attached through drm_legacy_pci_init(). This
- * is deprecated and only used by dri1 drivers.
- */
-void drm_legacy_pci_exit(const struct drm_driver *driver,
-			 struct pci_driver *pdriver)
-{
-	struct drm_device *dev, *tmp;
-
-	DRM_DEBUG("\n");
-
-	if (!(driver->driver_features & DRIVER_LEGACY)) {
-		WARN_ON(1);
-	} else {
-		mutex_lock(&legacy_dev_list_lock);
-		list_for_each_entry_safe(dev, tmp, &legacy_dev_list,
-					 legacy_dev_list) {
-			if (dev->driver == driver) {
-				list_del(&dev->legacy_dev_list);
-				drm_put_dev(dev);
-			}
-		}
-		mutex_unlock(&legacy_dev_list_lock);
-	}
-	DRM_INFO("Module unloaded\n");
-}
-EXPORT_SYMBOL(drm_legacy_pci_exit);
-
-#endif

drivers/gpu/drm/drm_scatter.c

-/*
- * \file drm_scatter.c
- * IOCTLs to manage scatter/gather memory
- *
- * \author Gareth Hughes <gareth@valinux.com>
- */
-
-/*
- * Created: Mon Dec 18 23:20:54 2000 by gareth@valinux.com
- *
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * 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
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS 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 <linux/mm.h>
-#include <linux/slab.h>
-#include <linux/vmalloc.h>
-
-#include <drm/drm.h>
-#include <drm/drm_drv.h>
-#include <drm/drm_print.h>
-
-#include "drm_legacy.h"
-
-#define DEBUG_SCATTER 0
-
-static void drm_sg_cleanup(struct drm_sg_mem * entry)
-{
-	struct page *page;
-	int i;
-
-	for (i = 0; i < entry->pages; i++) {
-		page = entry->pagelist[i];
-		if (page)
-			ClearPageReserved(page);
-	}
-
-	vfree(entry->virtual);
-
-	kfree(entry->busaddr);
-	kfree(entry->pagelist);
-	kfree(entry);
-}
-
-void drm_legacy_sg_cleanup(struct drm_device *dev)
-{
-	if (drm_core_check_feature(dev, DRIVER_SG) && dev->sg &&
-	    drm_core_check_feature(dev, DRIVER_LEGACY)) {
-		drm_sg_cleanup(dev->sg);
-		dev->sg = NULL;
-	}
-}
-#ifdef _LP64
-# define ScatterHandle(x) (unsigned int)((x >> 32) + (x & ((1L << 32) - 1)))
-#else
-# define ScatterHandle(x) (unsigned int)(x)
-#endif
-
-int drm_legacy_sg_alloc(struct drm_device *dev, void *data,
-			struct drm_file *file_priv)
-{
-	struct drm_scatter_gather *request = data;
-	struct drm_sg_mem *entry;
-	unsigned long pages, i, j;
-
-	DRM_DEBUG("\n");
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EOPNOTSUPP;
-
-	if (!drm_core_check_feature(dev, DRIVER_SG))
-		return -EOPNOTSUPP;
-
-	if (request->size > SIZE_MAX - PAGE_SIZE)
-		return -EINVAL;
-
-	if (dev->sg)
-		return -EINVAL;
-
-	entry = kzalloc(sizeof(*entry), GFP_KERNEL);
-	if (!entry)
-		return -ENOMEM;
-
-	pages = (request->size + PAGE_SIZE - 1) / PAGE_SIZE;
-	DRM_DEBUG("size=%ld pages=%ld\n", request->size, pages);
-
-	entry->pages = pages;
-	entry->pagelist = kcalloc(pages, sizeof(*entry->pagelist), GFP_KERNEL);
-	if (!entry->pagelist) {
-		kfree(entry);
-		return -ENOMEM;
-	}
-
-	entry->busaddr = kcalloc(pages, sizeof(*entry->busaddr), GFP_KERNEL);
-	if (!entry->busaddr) {
-		kfree(entry->pagelist);
-		kfree(entry);
-		return -ENOMEM;
-	}
-
-	entry->virtual = vmalloc_32(pages << PAGE_SHIFT);
-	if (!entry->virtual) {
-		kfree(entry->busaddr);
-		kfree(entry->pagelist);
-		kfree(entry);
-		return -ENOMEM;
-	}
-
-	/* This also forces the mapping of COW pages, so our page list
-	 * will be valid.  Please don't remove it...
-	 */
-	memset(entry->virtual, 0, pages << PAGE_SHIFT);
-
-	entry->handle = ScatterHandle((unsigned long)entry->virtual);
-
-	DRM_DEBUG("handle  = %08lx\n", entry->handle);
-	DRM_DEBUG("virtual = %p\n", entry->virtual);
-
-	for (i = (unsigned long)entry->virtual, j = 0; j < pages;
-	     i += PAGE_SIZE, j++) {
-		entry->pagelist[j] = vmalloc_to_page((void *)i);
-		if (!entry->pagelist[j])
-			goto failed;
-		SetPageReserved(entry->pagelist[j]);
-	}
-
-	request->handle = entry->handle;
-
-	dev->sg = entry;
-
-#if DEBUG_SCATTER
-	/* Verify that each page points to its virtual address, and vice
-	 * versa.
-	 */
-	{
-		int error = 0;
-
-		for (i = 0; i < pages; i++) {
-			unsigned long *tmp;
-
-			tmp = page_address(entry->pagelist[i]);
-			for (j = 0;
-			     j < PAGE_SIZE / sizeof(unsigned long);
-			     j++, tmp++) {
-				*tmp = 0xcafebabe;
-			}
-			tmp = (unsigned long *)((u8 *) entry->virtual +
-						(PAGE_SIZE * i));
-			for (j = 0;
-			     j < PAGE_SIZE / sizeof(unsigned long);
-			     j++, tmp++) {
-				if (*tmp != 0xcafebabe && error == 0) {
-					error = 1;
-					DRM_ERROR("Scatter allocation error, "
-						  "pagelist does not match "
-						  "virtual mapping\n");
-				}
-			}
-			tmp = page_address(entry->pagelist[i]);
-			for (j = 0;
-			     j < PAGE_SIZE / sizeof(unsigned long);
-			     j++, tmp++) {
-				*tmp = 0;
-			}
-		}
-		if (error == 0)
-			DRM_ERROR("Scatter allocation matches pagelist\n");
-	}
-#endif
-
-	return 0;
-
-      failed:
-	drm_sg_cleanup(entry);
-	return -ENOMEM;
-}
-
-int drm_legacy_sg_free(struct drm_device *dev, void *data,
-		       struct drm_file *file_priv)
-{
-	struct drm_scatter_gather *request = data;
-	struct drm_sg_mem *entry;
-
-	if (!drm_core_check_feature(dev, DRIVER_LEGACY))
-		return -EOPNOTSUPP;
-
-	if (!drm_core_check_feature(dev, DRIVER_SG))
-		return -EOPNOTSUPP;
-
-	entry = dev->sg;
-	dev->sg = NULL;
-
-	if (!entry || entry->handle != request->handle)
-		return -EINVAL;
-
-	DRM_DEBUG("virtual  = %p\n", entry->virtual);
-
-	drm_sg_cleanup(entry);
-
-	return 0;
-}

include/drm/drm_auth.h

@@ -33,24 +33,6 @@
 #include <linux/wait.h>
 
 struct drm_file;
-struct drm_hw_lock;
-
-/*
- * Legacy DRI1 locking data structure. Only here instead of in drm_legacy.h for
- * include ordering reasons.
- *
- * DO NOT USE.
- */
-struct drm_lock_data {
-	struct drm_hw_lock *hw_lock;
-	struct drm_file *file_priv;
-	wait_queue_head_t lock_queue;
-	unsigned long lock_time;
-	spinlock_t spinlock;
-	uint32_t kernel_waiters;
-	uint32_t user_waiters;
-	int idle_has_lock;
-};
 
 /**
  * struct drm_master - drm master structure
@@ -145,10 +127,6 @@ struct drm_master {
 	 * Protected by &drm_device.mode_config's &drm_mode_config.idr_mutex.
 	 */
 	struct idr lessee_idr;
-	/* private: */
-#if IS_ENABLED(CONFIG_DRM_LEGACY)
-	struct drm_lock_data lock;
-#endif
 };
 
 struct drm_master *drm_master_get(struct drm_master *master);

include/drm/drm_device.h

@@ -6,7 +6,6 @@
 #include <linux/mutex.h>
 #include <linux/idr.h>
 
-#include <drm/drm_legacy.h>
 #include <drm/drm_mode_config.h>
 
 struct drm_driver;
@@ -153,8 +152,8 @@ struct drm_device {
 	 *
 	 * Lock for others (not &drm_minor.master and &drm_file.is_master)
 	 *
-	 * WARNING:
-	 * Only drivers annotated with DRIVER_LEGACY should be using this.
+	 * TODO: This lock used to be the BKL of the DRM subsystem. Move the
+	 *       lock into i915, which is the only remaining user.
 	 */
 	struct mutex struct_mutex;
 
@@ -317,72 +316,6 @@ struct drm_device {
 	 * Root directory for debugfs files.
 	 */
 	struct dentry *debugfs_root;
-
-	/* Everything below here is for legacy driver, never use! */
-	/* private: */
-#if IS_ENABLED(CONFIG_DRM_LEGACY)
-	/* List of devices per driver for stealth attach cleanup */
-	struct list_head legacy_dev_list;
-
-#ifdef __alpha__
-	/** @hose: PCI hose, only used on ALPHA platforms. */
-	struct pci_controller *hose;
-#endif
-
-	/* AGP data */
-	struct drm_agp_head *agp;
-
-	/* Context handle management - linked list of context handles */
-	struct list_head ctxlist;
-
-	/* Context handle management - mutex for &ctxlist */
-	struct mutex ctxlist_mutex;
-
-	/* Context handle management */
-	struct idr ctx_idr;
-
-	/* Memory management - linked list of regions */
-	struct list_head maplist;
-
-	/* Memory management - user token hash table for maps */
-	struct drm_open_hash map_hash;
-
-	/* Context handle management - list of vmas (for debugging) */
-	struct list_head vmalist;
-
-	/* Optional pointer for DMA support */
-	struct drm_device_dma *dma;
-
-	/* Context swapping flag */
-	__volatile__ long context_flag;
-
-	/* Last current context */
-	int last_context;
-
-	/* Lock for &buf_use and a few other things. */
-	spinlock_t buf_lock;
-
-	/* Usage counter for buffers in use -- cannot alloc */
-	int buf_use;
-
-	/* Buffer allocation in progress */
-	atomic_t buf_alloc;
-
-	struct {
-		int context;
-		struct drm_hw_lock *lock;
-	} sigdata;
-
-	struct drm_local_map *agp_buffer_map;
-	unsigned int agp_buffer_token;
-
-	/* Scatter gather memory */
-	struct drm_sg_mem *sg;
-
-	/* IRQs */
-	bool irq_enabled;
-	int irq;
-#endif
 };
 
 #endif

include/drm/drm_drv.h

@@ -442,25 +442,6 @@ struct drm_driver {
 	 * some examples.
 	 */
 	const struct file_operations *fops;
-
-#ifdef CONFIG_DRM_LEGACY
-	/* Everything below here is for legacy driver, never use! */
-	/* private: */
-
-	int (*firstopen) (struct drm_device *);
-	void (*preclose) (struct drm_device *, struct drm_file *file_priv);
-	int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv);
-	int (*dma_quiescent) (struct drm_device *);
-	int (*context_dtor) (struct drm_device *dev, int context);
-	irqreturn_t (*irq_handler)(int irq, void *arg);
-	void (*irq_preinstall)(struct drm_device *dev);
-	int (*irq_postinstall)(struct drm_device *dev);
-	void (*irq_uninstall)(struct drm_device *dev);
-	u32 (*get_vblank_counter)(struct drm_device *dev, unsigned int pipe);
-	int (*enable_vblank)(struct drm_device *dev, unsigned int pipe);
-	void (*disable_vblank)(struct drm_device *dev, unsigned int pipe);
-	int dev_priv_size;
-#endif
 };
 
 void *__devm_drm_dev_alloc(struct device *parent,

include/drm/drm_file.h

@@ -386,11 +386,6 @@ struct drm_file {
 	 * Per-file buffer caches used by the PRIME buffer sharing code.
 	 */
 	struct drm_prime_file_private prime;
-
-	/* private: */
-#if IS_ENABLED(CONFIG_DRM_LEGACY)
-	unsigned long lock_count; /* DRI1 legacy lock count */
-#endif
 };
 
 /**