Rename the embedded struct vma_offset_manager, it is named _vma_manager
now. ttm_bo_device.vma_manager is a pointer now, pointing to the
embedded ttm_bo_device._vma_manager by default.
Add ttm_bo_device_init_with_vma_manager() function which allows to
initialize ttm with a different vma manager.
Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
---
include/drm/ttm/ttm_bo_driver.h | 11 +++++++++--
drivers/gpu/drm/ttm/ttm_bo.c | 29 +++++++++++++++++++++--------
drivers/gpu/drm/ttm/ttm_bo_vm.c | 6 +++---
3 files changed, 33 insertions(+), 13 deletions(-)
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 3f1935c19a66..2f84d6bcd1a7 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -441,7 +441,8 @@ extern struct ttm_bo_global {
*
* @driver: Pointer to a struct ttm_bo_driver struct setup by the driver.
* @man: An array of mem_type_managers.
- * @vma_manager: Address space manager
+ * @vma_manager: Address space manager (pointer)
+ * @_vma_manager: Address space manager (enbedded)
* lru_lock: Spinlock that protects the buffer+device lru lists and
* ddestroy lists.
* @dev_mapping: A pointer to the struct address_space representing the
@@ -464,7 +465,8 @@ struct ttm_bo_device {
/*
* Protected by internal locks.
*/
- struct drm_vma_offset_manager vma_manager;
+ struct drm_vma_offset_manager *vma_manager;
+ struct drm_vma_offset_manager _vma_manager;
/*
* Protected by the global:lru lock.
@@ -597,6 +599,11 @@ int ttm_bo_device_init(struct ttm_bo_device *bdev,
struct ttm_bo_driver *driver,
struct address_space *mapping,
bool need_dma32);
+int ttm_bo_device_init_with_vma_manager(struct ttm_bo_device *bdev,
+ struct ttm_bo_driver *driver,
+ struct address_space *mapping,
+ struct drm_vma_offset_manager
*vma_manager,
+ bool need_dma32);
/**
* ttm_bo_unmap_virtual
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 10a861a1690c..0ed1a1182962 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -672,7 +672,7 @@ static void ttm_bo_release(struct kref *kref)
struct ttm_bo_device *bdev = bo->bdev;
struct ttm_mem_type_manager *man = &bdev->man[bo->mem.mem_type];
- drm_vma_offset_remove(&bdev->vma_manager, &bo->base.vma_node);
+ drm_vma_offset_remove(bdev->vma_manager, &bo->base.vma_node);
ttm_mem_io_lock(man, false);
ttm_mem_io_free_vm(bo);
ttm_mem_io_unlock(man);
@@ -1353,7 +1353,7 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
*/
if (bo->type == ttm_bo_type_device ||
bo->type == ttm_bo_type_sg)
- ret = drm_vma_offset_add(&bdev->vma_manager, &bo->base.vma_node,
+ ret = drm_vma_offset_add(bdev->vma_manager, &bo->base.vma_node,
bo->mem.num_pages);
/* passed reservation objects should already be locked,
@@ -1704,7 +1704,7 @@ int ttm_bo_device_release(struct ttm_bo_device *bdev)
pr_debug("Swap list %d was clean\n", i);
spin_unlock(&glob->lru_lock);
- drm_vma_offset_manager_destroy(&bdev->vma_manager);
+ drm_vma_offset_manager_destroy(&bdev->_vma_manager);
if (!ret)
ttm_bo_global_release();
@@ -1713,10 +1713,11 @@ int ttm_bo_device_release(struct ttm_bo_device *bdev)
}
EXPORT_SYMBOL(ttm_bo_device_release);
-int ttm_bo_device_init(struct ttm_bo_device *bdev,
- struct ttm_bo_driver *driver,
- struct address_space *mapping,
- bool need_dma32)
+int ttm_bo_device_init_with_vma_manager(struct ttm_bo_device *bdev,
+ struct ttm_bo_driver *driver,
+ struct address_space *mapping,
+ struct drm_vma_offset_manager
*vma_manager,
+ bool need_dma32)
{
struct ttm_bo_global *glob = &ttm_bo_glob;
int ret;
@@ -1737,7 +1738,8 @@ int ttm_bo_device_init(struct ttm_bo_device *bdev,
if (unlikely(ret != 0))
goto out_no_sys;
- drm_vma_offset_manager_init(&bdev->vma_manager,
+ bdev->vma_manager = vma_manager;
+ drm_vma_offset_manager_init(&bdev->_vma_manager,
DRM_FILE_PAGE_OFFSET_START,
DRM_FILE_PAGE_OFFSET_SIZE);
INIT_DELAYED_WORK(&bdev->wq, ttm_bo_delayed_workqueue);
@@ -1754,6 +1756,17 @@ int ttm_bo_device_init(struct ttm_bo_device *bdev,
ttm_bo_global_release();
return ret;
}
+EXPORT_SYMBOL(ttm_bo_device_init_with_vma_manager);
+
+int ttm_bo_device_init(struct ttm_bo_device *bdev,
+ struct ttm_bo_driver *driver,
+ struct address_space *mapping,
+ bool need_dma32)
+{
+ return ttm_bo_device_init_with_vma_manager(bdev, driver, mapping,
+ &bdev->_vma_manager,
+ need_dma32);
+}
EXPORT_SYMBOL(ttm_bo_device_init);
/*
diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c
index 85f5bcbe0c76..d4eecde8d050 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_vm.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c
@@ -409,16 +409,16 @@ static struct ttm_buffer_object *ttm_bo_vm_lookup(struct
ttm_bo_device *bdev,
struct drm_vma_offset_node *node;
struct ttm_buffer_object *bo = NULL;
- drm_vma_offset_lock_lookup(&bdev->vma_manager);
+ drm_vma_offset_lock_lookup(bdev->vma_manager);
- node = drm_vma_offset_lookup_locked(&bdev->vma_manager, offset, pages);
+ node = drm_vma_offset_lookup_locked(bdev->vma_manager, offset, pages);
if (likely(node)) {
bo = container_of(node, struct ttm_buffer_object,
base.vma_node);
bo = ttm_bo_get_unless_zero(bo);
}
- drm_vma_offset_unlock_lookup(&bdev->vma_manager);
+ drm_vma_offset_unlock_lookup(bdev->vma_manager);
if (!bo)
pr_err("Could not find buffer object to map\n");
--
2.18.1
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