[PATCH 10/23] drm: kill drm_sman
James Simmons
jsimmons at infradead.org
Wed Dec 7 08:24:06 PST 2011
> No longer used.
>
> Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
Acked-by: James Simmons <jsimmons at infradead.org>
> ---
> drivers/gpu/drm/Makefile | 2 +-
> drivers/gpu/drm/drm_sman.c | 210 --------------------------------------------
> include/drm/drm_sman.h | 151 -------------------------------
> 3 files changed, 1 insertions(+), 362 deletions(-)
> delete mode 100644 drivers/gpu/drm/drm_sman.c
> delete mode 100644 include/drm/drm_sman.h
>
> diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
> index 89cf05a..ea083cf 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_platform.o drm_sysfs.o drm_hashtab.o drm_sman.o drm_mm.o \
> + drm_platform.o drm_sysfs.o drm_hashtab.o drm_mm.o \
> drm_crtc.o drm_modes.o drm_edid.o \
> drm_info.o drm_debugfs.o drm_encoder_slave.o \
> drm_trace_points.o drm_global.o drm_usb.o
> diff --git a/drivers/gpu/drm/drm_sman.c b/drivers/gpu/drm/drm_sman.c
> deleted file mode 100644
> index 1a4fb9f..0000000
> --- a/drivers/gpu/drm/drm_sman.c
> +++ /dev/null
> @@ -1,210 +0,0 @@
> -/**************************************************************************
> - *
> - * 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 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.
> - *
> - * The above copyright notice and this permission notice (including the
> - * next paragraph) shall be included in all copies or substantial portions
> - * of the Software.
> - *
> - *
> - **************************************************************************/
> -/*
> - * Simple memory manager interface that keeps track on allocate regions on a
> - * per "owner" basis. All regions associated with an "owner" can be released
> - * with a simple call. Typically if the "owner" exists. The owner is any
> - * "unsigned long" identifier. Can typically be a pointer to a file private
> - * struct or a context identifier.
> - *
> - * Authors:
> - * Thomas Hellström <thomas-at-tungstengraphics-dot-com>
> - */
> -
> -#include "drm_sman.h"
> -
> -struct drm_owner_item {
> - struct drm_hash_item owner_hash;
> - struct list_head sman_list;
> - struct list_head mem_blocks;
> -};
> -
> -void drm_sman_takedown(struct drm_sman * sman)
> -{
> - kfree(sman->mm);
> -}
> -
> -EXPORT_SYMBOL(drm_sman_takedown);
> -
> -int
> -drm_sman_init(struct drm_sman * sman, unsigned int num_managers,
> - unsigned int user_order, unsigned int owner_order)
> -{
> - int ret = 0;
> -
> - sman->mm = kcalloc(num_managers, sizeof(*sman->mm), GFP_KERNEL);
> - if (!sman->mm) {
> - ret = -ENOMEM;
> - return ret;
> - }
> - sman->num_managers = num_managers;
> -
> - return 0;
> -}
> -
> -EXPORT_SYMBOL(drm_sman_init);
> -
> -static void *drm_sman_mm_allocate(void *private, unsigned long size,
> - unsigned alignment)
> -{
> - struct drm_mm *mm = (struct drm_mm *) private;
> - struct drm_mm_node *tmp;
> -
> - tmp = drm_mm_search_free(mm, size, alignment, 1);
> - if (!tmp) {
> - return NULL;
> - }
> - tmp = drm_mm_get_block(tmp, size, alignment);
> - return tmp;
> -}
> -
> -static void drm_sman_mm_free(void *private, void *ref)
> -{
> - struct drm_mm_node *node = (struct drm_mm_node *) ref;
> -
> - drm_mm_put_block(node);
> -}
> -
> -static void drm_sman_mm_destroy(void *private)
> -{
> - struct drm_mm *mm = (struct drm_mm *) private;
> - drm_mm_takedown(mm);
> - kfree(mm);
> -}
> -
> -static unsigned long drm_sman_mm_offset(void *private, void *ref)
> -{
> - struct drm_mm_node *node = (struct drm_mm_node *) ref;
> - return node->start;
> -}
> -
> -int
> -drm_sman_set_range(struct drm_sman * sman, unsigned int manager,
> - unsigned long start, unsigned long size)
> -{
> - struct drm_sman_mm *sman_mm;
> - struct drm_mm *mm;
> - int ret;
> -
> - BUG_ON(manager >= sman->num_managers);
> -
> - sman_mm = &sman->mm[manager];
> - mm = kzalloc(sizeof(*mm), GFP_KERNEL);
> - if (!mm) {
> - return -ENOMEM;
> - }
> - sman_mm->private = mm;
> - ret = drm_mm_init(mm, start, size);
> -
> - if (ret) {
> - kfree(mm);
> - return ret;
> - }
> -
> - sman_mm->allocate = drm_sman_mm_allocate;
> - sman_mm->free = drm_sman_mm_free;
> - sman_mm->destroy = drm_sman_mm_destroy;
> - sman_mm->offset = drm_sman_mm_offset;
> -
> - return 0;
> -}
> -
> -EXPORT_SYMBOL(drm_sman_set_range);
> -
> -int
> -drm_sman_set_manager(struct drm_sman * sman, unsigned int manager,
> - struct drm_sman_mm * allocator)
> -{
> - BUG_ON(manager >= sman->num_managers);
> - sman->mm[manager] = *allocator;
> -
> - return 0;
> -}
> -EXPORT_SYMBOL(drm_sman_set_manager);
> -
> -struct drm_memblock_item *drm_sman_alloc(struct drm_sman *sman, unsigned int manager,
> - unsigned long size, unsigned alignment,
> - unsigned long owner)
> -{
> - void *tmp;
> - struct drm_sman_mm *sman_mm;
> - struct drm_memblock_item *memblock;
> -
> - BUG_ON(manager >= sman->num_managers);
> -
> - sman_mm = &sman->mm[manager];
> - tmp = sman_mm->allocate(sman_mm->private, size, alignment);
> -
> - if (!tmp) {
> - return NULL;
> - }
> -
> - memblock = kzalloc(sizeof(*memblock), GFP_KERNEL);
> -
> - if (!memblock)
> - goto out;
> -
> - memblock->mm_info = tmp;
> - memblock->mm = sman_mm;
> - memblock->sman = sman;
> -
> - return memblock;
> -
> -out:
> - sman_mm->free(sman_mm->private, tmp);
> -
> - return NULL;
> -}
> -
> -EXPORT_SYMBOL(drm_sman_alloc);
> -
> -void drm_sman_free(struct drm_memblock_item *item)
> -{
> - list_del(&item->owner_list);
> - item->mm->free(item->mm->private, item->mm_info);
> - kfree(item);
> -}
> -EXPORT_SYMBOL(drm_sman_free);
> -
> -void drm_sman_cleanup(struct drm_sman *sman)
> -{
> - unsigned int i;
> - struct drm_sman_mm *sman_mm;
> -
> - if (sman->mm) {
> - for (i = 0; i < sman->num_managers; ++i) {
> - sman_mm = &sman->mm[i];
> - if (sman_mm->private) {
> - sman_mm->destroy(sman_mm->private);
> - sman_mm->private = NULL;
> - }
> - }
> - }
> -}
> -
> -EXPORT_SYMBOL(drm_sman_cleanup);
> diff --git a/include/drm/drm_sman.h b/include/drm/drm_sman.h
> deleted file mode 100644
> index 031e521..0000000
> --- a/include/drm/drm_sman.h
> +++ /dev/null
> @@ -1,151 +0,0 @@
> -/**************************************************************************
> - *
> - * 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 memory MANager interface that keeps track on allocate regions on a
> - * per "owner" basis. All regions associated with an "owner" can be released
> - * with a simple call. Typically if the "owner" exists. The owner is any
> - * "unsigned long" identifier. Can typically be a pointer to a file private
> - * struct or a context identifier.
> - *
> - * Authors:
> - * Thomas Hellström <thomas-at-tungstengraphics-dot-com>
> - */
> -
> -#ifndef DRM_SMAN_H
> -#define DRM_SMAN_H
> -
> -#include "drmP.h"
> -#include "drm_hashtab.h"
> -
> -/*
> - * A class that is an abstration of a simple memory allocator.
> - * The sman implementation provides a default such allocator
> - * using the drm_mm.c implementation. But the user can replace it.
> - * See the SiS implementation, which may use the SiS FB kernel module
> - * for memory management.
> - */
> -
> -struct drm_sman_mm {
> - /* private info. If allocated, needs to be destroyed by the destroy
> - function */
> - void *private;
> -
> - /* Allocate a memory block with given size and alignment.
> - Return an opaque reference to the memory block */
> -
> - void *(*allocate) (void *private, unsigned long size,
> - unsigned alignment);
> -
> - /* Free a memory block. "ref" is the opaque reference that we got from
> - the "alloc" function */
> -
> - void (*free) (void *private, void *ref);
> -
> - /* Free all resources associated with this allocator */
> -
> - void (*destroy) (void *private);
> -
> - /* Return a memory offset from the opaque reference returned from the
> - "alloc" function */
> -
> - unsigned long (*offset) (void *private, void *ref);
> -};
> -
> -struct drm_memblock_item {
> - struct list_head owner_list;
> - struct drm_hash_item user_hash;
> - void *mm_info;
> - struct drm_sman_mm *mm;
> - struct drm_sman *sman;
> -};
> -
> -struct drm_sman {
> - struct drm_sman_mm *mm;
> - int num_managers;
> -};
> -
> -/*
> - * Take down a memory manager. This function should only be called after a
> - * successful init and after a call to drm_sman_cleanup.
> - */
> -
> -extern void drm_sman_takedown(struct drm_sman * sman);
> -
> -/*
> - * Allocate structures for a manager.
> - * num_managers are the number of memory pools to manage. (VRAM, AGP, ....)
> - * user_order is the log2 of the number of buckets in the user hash table.
> - * set this to approximately log2 of the max number of memory regions
> - * that will be allocated for _all_ pools together.
> - * owner_order is the log2 of the number of buckets in the owner hash table.
> - * set this to approximately log2 of
> - * the number of client file connections that will
> - * be using the manager.
> - *
> - */
> -
> -extern int drm_sman_init(struct drm_sman * sman, unsigned int num_managers,
> - unsigned int user_order, unsigned int owner_order);
> -
> -/*
> - * Initialize a drm_mm.c allocator. Should be called only once for each
> - * manager unless a customized allogator is used.
> - */
> -
> -extern int drm_sman_set_range(struct drm_sman * sman, unsigned int manager,
> - unsigned long start, unsigned long size);
> -
> -/*
> - * Initialize a customized allocator for one of the managers.
> - * (See the SiS module). The object pointed to by "allocator" is copied,
> - * so it can be destroyed after this call.
> - */
> -
> -extern int drm_sman_set_manager(struct drm_sman * sman, unsigned int mananger,
> - struct drm_sman_mm * allocator);
> -
> -/*
> - * Allocate a memory block. Aligment is not implemented yet.
> - */
> -
> -extern struct drm_memblock_item *drm_sman_alloc(struct drm_sman * sman,
> - unsigned int manager,
> - unsigned long size,
> - unsigned alignment,
> - unsigned long owner);
> -
> -extern void drm_sman_free(struct drm_memblock_item *item);
> -
> -/*
> - * Frees all stale memory blocks associated with the memory manager.
> - * See idling above.
> - */
> -
> -extern void drm_sman_cleanup(struct drm_sman * sman);
> -
> -#endif
> --
> 1.7.7.1
>
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