[PATCH 1/1] drm/vmwgfx: free bo resource before assigning new one

Nirmoy Das nirmoy.das at amd.com
Tue Jun 8 15:09:17 UTC 2021


ttm_bo_assign_mem() expects bo->resource to be free.
Fixes: bfa3357ef9abc ("drm/ttm: allocate resource object instead of embedding it v2")

Signed-off-by: Nirmoy Das <nirmoy.das at amd.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
index bfcf31bf7e37..7281912436bb 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
@@ -733,6 +733,7 @@ static int vmw_move(struct ttm_buffer_object *bo,
 
 	if (old_man->use_tt && new_man->use_tt) {
 		if (bo->resource->mem_type == TTM_PL_SYSTEM) {
+			ttm_resource_free(bo, &bo->resource);
 			ttm_bo_assign_mem(bo, new_mem);
 			return 0;
 		}
-- 
2.31.1



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