From: Dave Airlie <airl...@redhat.com>
All the accel moves do the same pattern here, provide a helper
Signed-off-by: Dave Airlie <airl...@redhat.com>
---
drivers/gpu/drm/ttm/ttm_bo.c | 28 ++++++++++++++++++++++++++++
include/drm/ttm/ttm_bo_driver.h | 5 +++++
2 files changed, 33 insertions(+)
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index eb76002aa53d..358d1580dc16 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1541,3 +1541,31 @@ void ttm_bo_tt_destroy(struct ttm_buffer_object *bo)
ttm_tt_destroy(bo->bdev, bo->ttm);
bo->ttm = NULL;
}
+
+int ttm_bo_create_tt_tmp(struct ttm_buffer_object *bo,
+ struct ttm_operation_ctx *ctx,
+ struct ttm_resource *new_mem,
+ struct ttm_resource *new_temp)
+{
+ struct ttm_place placement_memtype = {
+ .fpfn = 0,
+ .lpfn = 0,
+ .mem_type = TTM_PL_TT,
+ .flags = TTM_PL_MASK_CACHING
+ };
+ struct ttm_placement placement;
+ int ret;
+
+ placement.num_placement = placement.num_busy_placement = 1;
+ placement.placement = placement.busy_placement = &placement_memtype;
+
+ *new_temp = *new_mem;
+ new_temp->mm_node = NULL;
+
+ ret = ttm_bo_mem_space(bo, &placement, new_temp, ctx);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+EXPORT_SYMBOL(ttm_bo_create_tt_tmp);
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 4a63fec24e90..a7507dfaa89d 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -558,6 +558,11 @@ void ttm_mem_io_free(struct ttm_bo_device *bdev,
int ttm_bo_move_to_new_tt_mem(struct ttm_buffer_object *bo,
struct ttm_operation_ctx *ctx,
struct ttm_resource *new_mem);
+
+int ttm_bo_create_tt_tmp(struct ttm_buffer_object *bo,
+ struct ttm_operation_ctx *ctx,
+ struct ttm_resource *new_mem,
+ struct ttm_resource *new_temp);
/**
* ttm_bo_move_memcpy
*
--
2.27.0
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