qxl wants to use io mapping like i915 gem does, for now just export the symbols so the driver can implement atomic page maps using io mapping.
Signed-off-by: Dave Airlie airlied@redhat.com --- drivers/gpu/drm/ttm/ttm_bo_util.c | 13 +++++++++---- include/drm/ttm/ttm_bo_driver.h | 4 ++++ 2 files changed, 13 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index 44420fc..aaf6f47 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/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index 0fbd046..9c8dca7 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -902,6 +902,10 @@ extern void ttm_bo_unreserve_locked(struct ttm_buffer_object *bo); * ttm_bo_util.c */
+int ttm_mem_io_reserve(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); /** * ttm_bo_move_ttm *