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drm/ttm: add reservation_object as argument to ttm_bo_init

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This allows importing reservation objects from dma-bufs.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
This commit is contained in:
Maarten Lankhorst 2014-01-09 11:03:15 +01:00
parent b5e9c1a25f
commit f4f4e3e3e9
10 changed files with 28 additions and 14 deletions
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2
drivers/gpu/drm/ast/ast_ttm.c
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@ -339,7 +339,7 @@ int ast_bo_create(struct drm_device *dev, int size, int align,
ret = ttm_bo_init(&ast->ttm.bdev, &astbo->bo, size,
ttm_bo_type_device, &astbo->placement,
align >> PAGE_SHIFT, false, NULL, acc_size,
NULL, ast_bo_ttm_destroy);
NULL, NULL, ast_bo_ttm_destroy);
if (ret)
return ret;

2
drivers/gpu/drm/bochs/bochs_mm.c
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@ -377,7 +377,7 @@ static int bochs_bo_create(struct drm_device *dev, int size, int align,
ret = ttm_bo_init(&bochs->ttm.bdev, &bochsbo->bo, size,
ttm_bo_type_device, &bochsbo->placement,
align >> PAGE_SHIFT, false, NULL, acc_size,
NULL, bochs_bo_ttm_destroy);
NULL, NULL, bochs_bo_ttm_destroy);
if (ret)
return ret;

2
drivers/gpu/drm/cirrus/cirrus_ttm.c
View File

@ -343,7 +343,7 @@ int cirrus_bo_create(struct drm_device *dev, int size, int align,
ret = ttm_bo_init(&cirrus->ttm.bdev, &cirrusbo->bo, size,
ttm_bo_type_device, &cirrusbo->placement,
align >> PAGE_SHIFT, false, NULL, acc_size,
NULL, cirrus_bo_ttm_destroy);
NULL, NULL, cirrus_bo_ttm_destroy);
if (ret)
return ret;

2
drivers/gpu/drm/mgag200/mgag200_ttm.c
View File

@ -339,7 +339,7 @@ int mgag200_bo_create(struct drm_device *dev, int size, int align,
ret = ttm_bo_init(&mdev->ttm.bdev, &mgabo->bo, size,
ttm_bo_type_device, &mgabo->placement,
align >> PAGE_SHIFT, false, NULL, acc_size,
NULL, mgag200_bo_ttm_destroy);
NULL, NULL, mgag200_bo_ttm_destroy);
if (ret)
return ret;

2
drivers/gpu/drm/nouveau/nouveau_bo.c
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@ -230,7 +230,7 @@ nouveau_bo_new(struct drm_device *dev, int size, int align,
ret = ttm_bo_init(&drm->ttm.bdev, &nvbo->bo, size,
type, &nvbo->placement,
align >> PAGE_SHIFT, false, NULL, acc_size, sg,
nouveau_bo_del_ttm);
NULL, nouveau_bo_del_ttm);
if (ret) {
/* ttm will call nouveau_bo_del_ttm if it fails.. */
return ret;

2
drivers/gpu/drm/qxl/qxl_object.c
View File

@ -110,7 +110,7 @@ int qxl_bo_create(struct qxl_device *qdev,
r = ttm_bo_init(&qdev->mman.bdev, &bo->tbo, size, type,
&bo->placement, 0, !kernel, NULL, size,
NULL, &qxl_ttm_bo_destroy);
NULL, NULL, &qxl_ttm_bo_destroy);
if (unlikely(r != 0)) {
if (r != -ERESTARTSYS)
dev_err(qdev->dev,

2
drivers/gpu/drm/radeon/radeon_object.c
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@ -216,7 +216,7 @@ int radeon_bo_create(struct radeon_device *rdev,
down_read(&rdev->pm.mclk_lock);
r = ttm_bo_init(&rdev->mman.bdev, &bo->tbo, size, type,
&bo->placement, page_align, !kernel, NULL,
acc_size, sg, &radeon_ttm_bo_destroy);
acc_size, sg, NULL, &radeon_ttm_bo_destroy);
up_read(&rdev->pm.mclk_lock);
if (unlikely(r != 0)) {
return r;

24
drivers/gpu/drm/ttm/ttm_bo.c
View File

@ -1068,6 +1068,7 @@ int ttm_bo_init(struct ttm_bo_device *bdev,
struct file *persistent_swap_storage,
size_t acc_size,
struct sg_table *sg,
struct reservation_object *resv,
void (*destroy) (struct ttm_buffer_object *))
{
int ret = 0;
@ -1121,8 +1122,13 @@ int ttm_bo_init(struct ttm_bo_device *bdev,
bo->persistent_swap_storage = persistent_swap_storage;
bo->acc_size = acc_size;
bo->sg = sg;
bo->resv = &bo->ttm_resv;
reservation_object_init(bo->resv);
if (resv) {
bo->resv = resv;
lockdep_assert_held(&bo->resv->lock.base);
} else {
bo->resv = &bo->ttm_resv;
reservation_object_init(&bo->ttm_resv);
}
atomic_inc(&bo->glob->bo_count);
drm_vma_node_reset(&bo->vma_node);
@ -1135,13 +1141,19 @@ int ttm_bo_init(struct ttm_bo_device *bdev,
ret = drm_vma_offset_add(&bdev->vma_manager, &bo->vma_node,
bo->mem.num_pages);
locked = ww_mutex_trylock(&bo->resv->lock);
WARN_ON(!locked);
/* passed reservation objects should already be locked,
* since otherwise lockdep will be angered in radeon.
*/
if (!resv) {
locked = ww_mutex_trylock(&bo->resv->lock);
WARN_ON(!locked);
}
if (likely(!ret))
ret = ttm_bo_validate(bo, placement, interruptible, false);
ttm_bo_unreserve(bo);
if (!resv)
ttm_bo_unreserve(bo);
if (unlikely(ret))
ttm_bo_unref(&bo);
@ -1199,7 +1211,7 @@ int ttm_bo_create(struct ttm_bo_device *bdev,
acc_size = ttm_bo_acc_size(bdev, size, sizeof(struct ttm_buffer_object));
ret = ttm_bo_init(bdev, bo, size, type, placement, page_alignment,
interruptible, persistent_swap_storage, acc_size,
NULL, NULL);
NULL, NULL, NULL);
if (likely(ret == 0))
*p_bo = bo;

2
drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
View File

@ -430,7 +430,7 @@ int vmw_dmabuf_init(struct vmw_private *dev_priv,
ret = ttm_bo_init(bdev, &vmw_bo->base, size,
ttm_bo_type_device, placement,
0, interruptible,
NULL, acc_size, NULL, bo_free);
NULL, acc_size, NULL, NULL, bo_free);
return ret;
}

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

@ -460,6 +460,7 @@ size_t ttm_bo_dma_acc_size(struct ttm_bo_device *bdev,
* point to the shmem object backing a GEM object if TTM is used to back a
* GEM user interface.
* @acc_size: Accounted size for this object.
* @resv: Pointer to a reservation_object, or NULL to let ttm allocate one.
* @destroy: Destroy function. Use NULL for kfree().
*
* This function initializes a pre-allocated struct ttm_buffer_object.
@ -487,6 +488,7 @@ extern int ttm_bo_init(struct ttm_bo_device *bdev,
struct file *persistent_swap_storage,
size_t acc_size,
struct sg_table *sg,
struct reservation_object *resv,
void (*destroy) (struct ttm_buffer_object *));
/**