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path: root/drivers/gpu/drm/ttm/ttm_bo_util.c
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Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_bo_util.c')
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo_util.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index 7ccb2295cac1..398d5013fc39 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -310,7 +310,7 @@ static int ttm_buffer_object_transfer(struct ttm_buffer_object *bo,
kref_init(&fbo->base.kref);
fbo->base.destroy = &ttm_transfered_destroy;
fbo->base.acc_size = 0;
- fbo->base.pin_count = 1;
+ fbo->base.pin_count = 0;
if (bo->type != ttm_bo_type_sg)
fbo->base.base.resv = &fbo->base.base._resv;
@@ -319,6 +319,8 @@ static int ttm_buffer_object_transfer(struct ttm_buffer_object *bo,
ret = dma_resv_trylock(&fbo->base.base._resv);
WARN_ON(!ret);
+ ttm_bo_move_to_lru_tail_unlocked(&fbo->base);
+
*new_obj = &fbo->base;
return 0;
}
@@ -429,9 +431,9 @@ int ttm_bo_kmap(struct ttm_buffer_object *bo,
map->virtual = NULL;
map->bo = bo;
- if (num_pages > bo->num_pages)
+ if (num_pages > bo->mem.num_pages)
return -EINVAL;
- if (start_page > bo->num_pages)
+ if ((start_page + num_pages) > bo->mem.num_pages)
return -EINVAL;
ret = ttm_mem_io_reserve(bo->bdev, &bo->mem);
@@ -483,14 +485,14 @@ int ttm_bo_vmap(struct ttm_buffer_object *bo, struct dma_buf_map *map)
if (mem->bus.is_iomem) {
void __iomem *vaddr_iomem;
- size_t size = bo->num_pages << PAGE_SHIFT;
if (mem->bus.addr)
vaddr_iomem = (void __iomem *)mem->bus.addr;
else if (mem->bus.caching == ttm_write_combined)
- vaddr_iomem = ioremap_wc(mem->bus.offset, size);
+ vaddr_iomem = ioremap_wc(mem->bus.offset,
+ bo->base.size);
else
- vaddr_iomem = ioremap(mem->bus.offset, size);
+ vaddr_iomem = ioremap(mem->bus.offset, bo->base.size);
if (!vaddr_iomem)
return -ENOMEM;
@@ -515,7 +517,7 @@ int ttm_bo_vmap(struct ttm_buffer_object *bo, struct dma_buf_map *map)
* or to make the buffer object look contiguous.
*/
prot = ttm_io_prot(bo, mem, PAGE_KERNEL);
- vaddr = vmap(ttm->pages, bo->num_pages, 0, prot);
+ vaddr = vmap(ttm->pages, ttm->num_pages, 0, prot);
if (!vaddr)
return -ENOMEM;