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drm/ttm: nuke old page allocator 

Not used any more.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Madhav Chauhan <madhav.chauhan@amd.com>
Tested-by: Huang Rui <ray.huang@amd.com>
Link: https://patchwork.freedesktop.org/patch/397087/?series=83051&rev=1
This commit is contained in:
Christian König 2020-10-24 13:17:49 +02:00
parent fbf1c39cab
commit 256dd44bd8
12 changed files with 2 additions and 2633 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/Kconfig
View File

@ -182,13 +182,6 @@ config DRM_TTM
GPU memory types. Will be enabled automatically if a device driver
uses it.
config DRM_TTM_DMA_PAGE_POOL
bool
depends on DRM_TTM && (SWIOTLB || INTEL_IOMMU)
default y
help
Choose this if you need the TTM dma page pool
config DRM_VRAM_HELPER
tristate
depends on DRM

3
drivers/gpu/drm/ttm/Makefile
View File

@ -4,9 +4,8 @@
ttm-y := ttm_memory.o ttm_tt.o ttm_bo.o \
ttm_bo_util.o ttm_bo_vm.o ttm_module.o \
ttm_execbuf_util.o ttm_page_alloc.o ttm_range_manager.o \
ttm_execbuf_util.o ttm_range_manager.o \
ttm_resource.o ttm_pool.o
ttm-$(CONFIG_AGP) += ttm_agp_backend.o
ttm-$(CONFIG_DRM_TTM_DMA_PAGE_POOL) += ttm_page_alloc_dma.o
obj-$(CONFIG_DRM_TTM) += ttm.o

1
drivers/gpu/drm/ttm/ttm_agp_backend.c
View File

@ -34,7 +34,6 @@
#include <drm/ttm/ttm_module.h>
#include <drm/ttm/ttm_bo_driver.h>
#include <drm/ttm/ttm_page_alloc.h>
#include <drm/ttm/ttm_placement.h>
#include <linux/agp_backend.h>
#include <linux/module.h>

1
drivers/gpu/drm/ttm/ttm_bo.c
View File

@ -1333,7 +1333,6 @@ int ttm_bo_device_init(struct ttm_bo_device *bdev,
INIT_DELAYED_WORK(&bdev->wq, ttm_bo_delayed_workqueue);
INIT_LIST_HEAD(&bdev->ddestroy);
bdev->dev_mapping = mapping;
bdev->need_dma32 = use_dma32;
mutex_lock(&ttm_global_mutex);
list_add_tail(&bdev->device_list, &glob->device_list);
mutex_unlock(&ttm_global_mutex);

7
drivers/gpu/drm/ttm/ttm_memory.c
View File

@ -30,7 +30,6 @@
#include <drm/ttm/ttm_memory.h>
#include <drm/ttm/ttm_module.h>
#include <drm/ttm/ttm_page_alloc.h>
#include <linux/spinlock.h>
#include <linux/sched.h>
#include <linux/wait.h>
@ -452,9 +451,7 @@ int ttm_mem_global_init(struct ttm_mem_global *glob)
pr_info("Zone %7s: Available graphics memory: %llu KiB\n",
zone->name, (unsigned long long)zone->max_mem >> 10);
}
ttm_page_alloc_init(glob, glob->zone_kernel->max_mem/(2*PAGE_SIZE));
ttm_dma_page_alloc_init(glob, glob->zone_kernel->max_mem/(2*PAGE_SIZE));
ttm_pool_mgr_init(glob->zone_kernel->max_mem / (2 * PAGE_SIZE));
ttm_pool_mgr_init(glob->zone_kernel->max_mem/(2*PAGE_SIZE));
return 0;
out_no_zone:
ttm_mem_global_release(glob);
@ -467,8 +464,6 @@ void ttm_mem_global_release(struct ttm_mem_global *glob)
unsigned int i;
/* let the page allocator first stop the shrink work. */
ttm_page_alloc_fini();
ttm_dma_page_alloc_fini();
ttm_pool_mgr_fini();
flush_workqueue(glob->swap_queue);

1176
drivers/gpu/drm/ttm/ttm_page_alloc.c
View File

File diff suppressed because it is too large Load Diff

1226
drivers/gpu/drm/ttm/ttm_page_alloc_dma.c
View File

File diff suppressed because it is too large Load Diff

84
drivers/gpu/drm/ttm/ttm_set_memory.h
View File

@ -1,84 +0,0 @@
/**************************************************************************
*
* Copyright (c) 2018 Advanced Micro Devices, Inc.
* 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.
*
**************************************************************************/
/*
* Authors: Huang Rui <ray.huang@amd.com>
*/
#ifndef TTM_SET_MEMORY
#define TTM_SET_MEMORY
#include <linux/mm.h>
#ifdef CONFIG_X86
#include <asm/set_memory.h>
static inline int ttm_set_pages_array_wb(struct page **pages, int addrinarray)
{
return set_pages_array_wb(pages, addrinarray);
}
static inline int ttm_set_pages_array_wc(struct page **pages, int addrinarray)
{
return set_pages_array_wc(pages, addrinarray);
}
static inline int ttm_set_pages_array_uc(struct page **pages, int addrinarray)
{
return set_pages_array_uc(pages, addrinarray);
}
static inline int ttm_set_pages_wb(struct page *page, int numpages)
{
return set_pages_wb(page, numpages);
}
#else /* for CONFIG_X86 */
static inline int ttm_set_pages_array_wb(struct page **pages, int addrinarray)
{
return 0;
}
static inline int ttm_set_pages_array_wc(struct page **pages, int addrinarray)
{
return 0;
}
static inline int ttm_set_pages_array_uc(struct page **pages, int addrinarray)
{
return 0;
}
static inline int ttm_set_pages_wb(struct page *page, int numpages)
{
return 0;
}
#endif /* for CONFIG_X86 */
#endif

4
drivers/gpu/drm/ttm/ttm_tt.c
View File

@ -51,9 +51,6 @@ int ttm_tt_create(struct ttm_buffer_object *bo, bool zero_alloc)
if (bo->ttm)
return 0;
if (bdev->need_dma32)
page_flags |= TTM_PAGE_FLAG_DMA32;
if (bdev->no_retry)
page_flags |= TTM_PAGE_FLAG_NO_RETRY;
@ -141,7 +138,6 @@ static void ttm_tt_init_fields(struct ttm_tt *ttm,
ttm->dma_address = NULL;
ttm->swap_storage = NULL;
ttm->sg = bo->sg;
INIT_LIST_HEAD(&ttm->pages_list);
ttm->caching = caching;
}

2
include/drm/ttm/ttm_bo_driver.h
View File

@ -315,8 +315,6 @@ struct ttm_bo_device {
struct delayed_work wq;
bool need_dma32;
bool no_retry;
};

122
include/drm/ttm/ttm_page_alloc.h
View File

@ -1,122 +0,0 @@
/*
* Copyright (c) Red Hat Inc.
* 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 AUTHORS OR COPYRIGHT HOLDERS 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.
*
* Authors: Dave Airlie <airlied@redhat.com>
* Jerome Glisse <jglisse@redhat.com>
*/
#ifndef TTM_PAGE_ALLOC
#define TTM_PAGE_ALLOC
#include <drm/ttm/ttm_bo_driver.h>
#include <drm/ttm/ttm_memory.h>
struct device;
/**
* Initialize pool allocator.
*/
int ttm_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages);
/**
* Free pool allocator.
*/
void ttm_page_alloc_fini(void);
/**
* ttm_pool_populate:
*
* @ttm: The struct ttm_tt to contain the backing pages.
*
* Add backing pages to all of @ttm
*/
int ttm_pool_populate(struct ttm_tt *ttm, struct ttm_operation_ctx *ctx);
/**
* ttm_pool_unpopulate:
*
* @ttm: The struct ttm_tt which to free backing pages.
*
* Free all pages of @ttm
*/
void ttm_pool_unpopulate(struct ttm_tt *ttm);
/**
* Populates and DMA maps pages to fullfil a ttm_dma_populate() request
*/
int ttm_populate_and_map_pages(struct device *dev, struct ttm_tt *tt,
struct ttm_operation_ctx *ctx);
/**
* Unpopulates and DMA unmaps pages as part of a
* ttm_dma_unpopulate() request */
void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_tt *tt);
/**
* Output the state of pools to debugfs file
*/
int ttm_page_alloc_debugfs(struct seq_file *m, void *data);
#if defined(CONFIG_DRM_TTM_DMA_PAGE_POOL)
/**
* Initialize pool allocator.
*/
int ttm_dma_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages);
/**
* Free pool allocator.
*/
void ttm_dma_page_alloc_fini(void);
/**
* Output the state of pools to debugfs file
*/
int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data);
int ttm_dma_populate(struct ttm_tt *ttm_dma, struct device *dev,
struct ttm_operation_ctx *ctx);
void ttm_dma_unpopulate(struct ttm_tt *ttm_dma, struct device *dev);
#else
static inline int ttm_dma_page_alloc_init(struct ttm_mem_global *glob,
unsigned max_pages)
{
return -ENODEV;
}
static inline void ttm_dma_page_alloc_fini(void) { return; }
static inline int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data)
{
return 0;
}
static inline int ttm_dma_populate(struct ttm_tt *ttm_dma,
struct device *dev,
struct ttm_operation_ctx *ctx)
{
return -ENOMEM;
}
static inline void ttm_dma_unpopulate(struct ttm_tt *ttm_dma,
struct device *dev)
{
}
#endif
#endif

2
include/drm/ttm/ttm_tt.h
View File

@ -37,7 +37,6 @@ struct ttm_operation_ctx;
#define TTM_PAGE_FLAG_SWAPPED (1 << 4)
#define TTM_PAGE_FLAG_ZERO_ALLOC (1 << 6)
#define TTM_PAGE_FLAG_DMA32 (1 << 7)
#define TTM_PAGE_FLAG_SG (1 << 8)
#define TTM_PAGE_FLAG_NO_RETRY (1 << 9)
@ -66,7 +65,6 @@ struct ttm_tt {
struct sg_table *sg;
dma_addr_t *dma_address;
struct file *swap_storage;
struct list_head pages_list;
enum ttm_caching caching;
};