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

5 files changed, 2 insertions, 446 deletions

diff --git a/include/drm/drm_auth.h b/include/drm/drm_auth.h
index ba248ca8866f..50131383ed81 100644
--- a/include/drm/drm_auth.h
+++ b/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);
diff --git a/include/drm/drm_device.h b/include/drm/drm_device.h
index c490977ee250..63767cf24371 100644
--- a/include/drm/drm_device.h
+++ b/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
diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index ea36aa79dca2..8878260d7529 100644
--- a/include/drm/drm_drv.h
+++ b/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,
diff --git a/include/drm/drm_file.h b/include/drm/drm_file.h
index 8f35dcea82d3..ab230d3af138 100644
--- a/include/drm/drm_file.h
+++ b/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
 };
 
 /**
diff --git a/include/drm/drm_legacy.h b/include/drm/drm_legacy.h
deleted file mode 100644
index 0fc85418aad8..000000000000
--- a/include/drm/drm_legacy.h
+++ /dev/null
@@ -1,331 +0,0 @@
-#ifndef __DRM_DRM_LEGACY_H__
-#define __DRM_DRM_LEGACY_H__
-/*
- * Legacy driver interfaces for the Direct Rendering Manager
- *
- * 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.
- * Copyright © 2014 Intel Corporation
- *   Daniel Vetter <daniel.vetter@ffwll.ch>
- *
- * 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.
- */
-
-#include <linux/agp_backend.h>
-
-#include <drm/drm.h>
-#include <drm/drm_auth.h>
-
-struct drm_device;
-struct drm_driver;
-struct file;
-struct pci_driver;
-
-/*
- * Legacy Support for palateontologic DRM drivers
- *
- * If you add a new driver and it uses any of these functions or structures,
- * you're doing it terribly wrong.
- */
-
-/*
- * Hash-table Support
- */
-
-struct drm_hash_item {
-	struct hlist_node head;
-	unsigned long key;
-};
-
-struct drm_open_hash {
-	struct hlist_head *table;
-	u8 order;
-};
-
-/**
- * DMA buffer.
- */
-struct drm_buf {
-	int idx;		       /**< Index into master buflist */
-	int total;		       /**< Buffer size */
-	int order;		       /**< log-base-2(total) */
-	int used;		       /**< Amount of buffer in use (for DMA) */
-	unsigned long offset;	       /**< Byte offset (used internally) */
-	void *address;		       /**< Address of buffer */
-	unsigned long bus_address;     /**< Bus address of buffer */
-	struct drm_buf *next;	       /**< Kernel-only: used for free list */
-	__volatile__ int waiting;      /**< On kernel DMA queue */
-	__volatile__ int pending;      /**< On hardware DMA queue */
-	struct drm_file *file_priv;    /**< Private of holding file descr */
-	int context;		       /**< Kernel queue for this buffer */
-	int while_locked;	       /**< Dispatch this buffer while locked */
-	enum {
-		DRM_LIST_NONE = 0,
-		DRM_LIST_FREE = 1,
-		DRM_LIST_WAIT = 2,
-		DRM_LIST_PEND = 3,
-		DRM_LIST_PRIO = 4,
-		DRM_LIST_RECLAIM = 5
-	} list;			       /**< Which list we're on */
-
-	int dev_priv_size;		 /**< Size of buffer private storage */
-	void *dev_private;		 /**< Per-buffer private storage */
-};
-
-typedef struct drm_dma_handle {
-	dma_addr_t busaddr;
-	void *vaddr;
-	size_t size;
-} drm_dma_handle_t;
-
-/**
- * Buffer entry.  There is one of this for each buffer size order.
- */
-struct drm_buf_entry {
-	int buf_size;			/**< size */
-	int buf_count;			/**< number of buffers */
-	struct drm_buf *buflist;		/**< buffer list */
-	int seg_count;
-	int page_order;
-	struct drm_dma_handle **seglist;
-
-	int low_mark;			/**< Low water mark */
-	int high_mark;			/**< High water mark */
-};
-
-/**
- * DMA data.
- */
-struct drm_device_dma {
-
-	struct drm_buf_entry bufs[DRM_MAX_ORDER + 1];	/**< buffers, grouped by their size order */
-	int buf_count;			/**< total number of buffers */
-	struct drm_buf **buflist;		/**< Vector of pointers into drm_device_dma::bufs */
-	int seg_count;
-	int page_count;			/**< number of pages */
-	unsigned long *pagelist;	/**< page list */
-	unsigned long byte_count;
-	enum {
-		_DRM_DMA_USE_AGP = 0x01,
-		_DRM_DMA_USE_SG = 0x02,
-		_DRM_DMA_USE_FB = 0x04,
-		_DRM_DMA_USE_PCI_RO = 0x08
-	} flags;
-
-};
-
-/**
- * Scatter-gather memory.
- */
-struct drm_sg_mem {
-	unsigned long handle;
-	void *virtual;
-	int pages;
-	struct page **pagelist;
-	dma_addr_t *busaddr;
-};
-
-/**
- * Kernel side of a mapping
- */
-struct drm_local_map {
-	dma_addr_t offset;	 /**< Requested physical address (0 for SAREA)*/
-	unsigned long size;	 /**< Requested physical size (bytes) */
-	enum drm_map_type type;	 /**< Type of memory to map */
-	enum drm_map_flags flags;	 /**< Flags */
-	void *handle;		 /**< User-space: "Handle" to pass to mmap() */
-				 /**< Kernel-space: kernel-virtual address */
-	int mtrr;		 /**< MTRR slot used */
-};
-
-typedef struct drm_local_map drm_local_map_t;
-
-/**
- * Mappings list
- */
-struct drm_map_list {
-	struct list_head head;		/**< list head */
-	struct drm_hash_item hash;
-	struct drm_local_map *map;	/**< mapping */
-	uint64_t user_token;
-	struct drm_master *master;
-};
-
-int drm_legacy_addmap(struct drm_device *d, resource_size_t offset,
-		      unsigned int size, enum drm_map_type type,
-		      enum drm_map_flags flags, struct drm_local_map **map_p);
-struct drm_local_map *drm_legacy_findmap(struct drm_device *dev, unsigned int token);
-void drm_legacy_rmmap(struct drm_device *d, struct drm_local_map *map);
-int drm_legacy_rmmap_locked(struct drm_device *d, struct drm_local_map *map);
-struct drm_local_map *drm_legacy_getsarea(struct drm_device *dev);
-int drm_legacy_mmap(struct file *filp, struct vm_area_struct *vma);
-
-int drm_legacy_addbufs_agp(struct drm_device *d, struct drm_buf_desc *req);
-int drm_legacy_addbufs_pci(struct drm_device *d, struct drm_buf_desc *req);
-
-/**
- * Test that the hardware lock is held by the caller, returning otherwise.
- *
- * \param dev DRM device.
- * \param filp file pointer of the caller.
- */
-#define LOCK_TEST_WITH_RETURN( dev, _file_priv )				\
-do {										\
-	if (!_DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock) ||	\
-	    _file_priv->master->lock.file_priv != _file_priv)	{		\
-		DRM_ERROR( "%s called without lock held, held  %d owner %p %p\n",\
-			   __func__, _DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock),\
-			   _file_priv->master->lock.file_priv, _file_priv);	\
-		return -EINVAL;							\
-	}									\
-} while (0)
-
-void drm_legacy_idlelock_take(struct drm_lock_data *lock);
-void drm_legacy_idlelock_release(struct drm_lock_data *lock);
-
-/* drm_irq.c */
-int drm_legacy_irq_uninstall(struct drm_device *dev);
-
-/* drm_pci.c */
-
-#ifdef CONFIG_PCI
-
-int drm_legacy_pci_init(const struct drm_driver *driver,
-			struct pci_driver *pdriver);
-void drm_legacy_pci_exit(const struct drm_driver *driver,
-			 struct pci_driver *pdriver);
-
-#else
-
-static inline struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev,
-						   size_t size, size_t align)
-{
-	return NULL;
-}
-
-static inline void drm_pci_free(struct drm_device *dev,
-				struct drm_dma_handle *dmah)
-{
-}
-
-static inline int drm_legacy_pci_init(const struct drm_driver *driver,
-				      struct pci_driver *pdriver)
-{
-	return -EINVAL;
-}
-
-static inline void drm_legacy_pci_exit(const struct drm_driver *driver,
-				       struct pci_driver *pdriver)
-{
-}
-
-#endif
-
-/*
- * AGP Support
- */
-
-struct drm_agp_head {
-	struct agp_kern_info agp_info;
-	struct list_head memory;
-	unsigned long mode;
-	struct agp_bridge_data *bridge;
-	int enabled;
-	int acquired;
-	unsigned long base;
-	int agp_mtrr;
-	int cant_use_aperture;
-	unsigned long page_mask;
-};
-
-#if IS_ENABLED(CONFIG_DRM_LEGACY) && IS_ENABLED(CONFIG_AGP)
-struct drm_agp_head *drm_legacy_agp_init(struct drm_device *dev);
-int drm_legacy_agp_acquire(struct drm_device *dev);
-int drm_legacy_agp_release(struct drm_device *dev);
-int drm_legacy_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
-int drm_legacy_agp_info(struct drm_device *dev, struct drm_agp_info *info);
-int drm_legacy_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
-int drm_legacy_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
-int drm_legacy_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
-int drm_legacy_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
-#else
-static inline struct drm_agp_head *drm_legacy_agp_init(struct drm_device *dev)
-{
-	return NULL;
-}
-
-static inline int drm_legacy_agp_acquire(struct drm_device *dev)
-{
-	return -ENODEV;
-}
-
-static inline int drm_legacy_agp_release(struct drm_device *dev)
-{
-	return -ENODEV;
-}
-
-static inline int drm_legacy_agp_enable(struct drm_device *dev,
-					struct drm_agp_mode mode)
-{
-	return -ENODEV;
-}
-
-static inline int drm_legacy_agp_info(struct drm_device *dev,
-				      struct drm_agp_info *info)
-{
-	return -ENODEV;
-}
-
-static inline int drm_legacy_agp_alloc(struct drm_device *dev,
-				       struct drm_agp_buffer *request)
-{
-	return -ENODEV;
-}
-
-static inline int drm_legacy_agp_free(struct drm_device *dev,
-				      struct drm_agp_buffer *request)
-{
-	return -ENODEV;
-}
-
-static inline int drm_legacy_agp_unbind(struct drm_device *dev,
-					struct drm_agp_binding *request)
-{
-	return -ENODEV;
-}
-
-static inline int drm_legacy_agp_bind(struct drm_device *dev,
-				      struct drm_agp_binding *request)
-{
-	return -ENODEV;
-}
-#endif
-
-/* drm_memory.c */
-void drm_legacy_ioremap(struct drm_local_map *map, struct drm_device *dev);
-void drm_legacy_ioremap_wc(struct drm_local_map *map, struct drm_device *dev);
-void drm_legacy_ioremapfree(struct drm_local_map *map, struct drm_device *dev);
-
-#endif /* __DRM_DRM_LEGACY_H__ */