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path: root/drivers/gpu/drm/ttm
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Diffstat (limited to 'drivers/gpu/drm/ttm')
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo_util.c13
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo_vm.c4
2 files changed, 11 insertions, 6 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index 8be35c809c7b..af894584dd90 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -86,6 +86,7 @@ int ttm_mem_io_lock(struct ttm_mem_type_manager *man, bool interruptible)
mutex_lock(&man->io_reserve_mutex);
return 0;
}
+EXPORT_SYMBOL(ttm_mem_io_lock);
void ttm_mem_io_unlock(struct ttm_mem_type_manager *man)
{
@@ -94,6 +95,7 @@ void ttm_mem_io_unlock(struct ttm_mem_type_manager *man)
mutex_unlock(&man->io_reserve_mutex);
}
+EXPORT_SYMBOL(ttm_mem_io_unlock);
static int ttm_mem_io_evict(struct ttm_mem_type_manager *man)
{
@@ -111,8 +113,9 @@ static int ttm_mem_io_evict(struct ttm_mem_type_manager *man)
return 0;
}
-static int ttm_mem_io_reserve(struct ttm_bo_device *bdev,
- struct ttm_mem_reg *mem)
+
+int ttm_mem_io_reserve(struct ttm_bo_device *bdev,
+ struct ttm_mem_reg *mem)
{
struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
int ret = 0;
@@ -134,9 +137,10 @@ retry:
}
return ret;
}
+EXPORT_SYMBOL(ttm_mem_io_reserve);
-static void ttm_mem_io_free(struct ttm_bo_device *bdev,
- struct ttm_mem_reg *mem)
+void ttm_mem_io_free(struct ttm_bo_device *bdev,
+ struct ttm_mem_reg *mem)
{
struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
@@ -149,6 +153,7 @@ static void ttm_mem_io_free(struct ttm_bo_device *bdev,
bdev->driver->io_mem_free(bdev, mem);
}
+EXPORT_SYMBOL(ttm_mem_io_free);
int ttm_mem_io_reserve_vm(struct ttm_buffer_object *bo)
{
diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c
index 74705f329d99..3df9f16b041c 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_vm.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c
@@ -147,7 +147,7 @@ static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
page_offset = ((address - vma->vm_start) >> PAGE_SHIFT) +
bo->vm_node->start - vma->vm_pgoff;
- page_last = ((vma->vm_end - vma->vm_start) >> PAGE_SHIFT) +
+ page_last = vma_pages(vma) +
bo->vm_node->start - vma->vm_pgoff;
if (unlikely(page_offset >= bo->num_pages)) {
@@ -258,7 +258,7 @@ int ttm_bo_mmap(struct file *filp, struct vm_area_struct *vma,
read_lock(&bdev->vm_lock);
bo = ttm_bo_vm_lookup_rb(bdev, vma->vm_pgoff,
- (vma->vm_end - vma->vm_start) >> PAGE_SHIFT);
+ vma_pages(vma));
if (likely(bo != NULL) && !kref_get_unless_zero(&bo->kref))
bo = NULL;
read_unlock(&bdev->vm_lock);