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Subject[PATCH drm-misc-next v10 05/12] drm/nouveau: bo: initialize GEM GPU VA interface
Date
Initialize the GEM's DRM GPU VA manager interface in preparation for the
(u)vmm implementation, provided by subsequent commits, to make use of it.

Reviewed-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
---
drivers/gpu/drm/nouveau/nouveau_bo.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 7724fe63067d..6130c99b6b2c 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -215,6 +215,7 @@ nouveau_bo_alloc(struct nouveau_cli *cli, u64 *size, int *align, u32 domain,
nvbo = kzalloc(sizeof(struct nouveau_bo), GFP_KERNEL);
if (!nvbo)
return ERR_PTR(-ENOMEM);
+
INIT_LIST_HEAD(&nvbo->head);
INIT_LIST_HEAD(&nvbo->entry);
INIT_LIST_HEAD(&nvbo->vma_list);
@@ -339,6 +340,11 @@ nouveau_bo_new(struct nouveau_cli *cli, u64 size, int align,
dma_resv_init(&nvbo->bo.base._resv);
drm_vma_node_reset(&nvbo->bo.base.vma_node);

+ /* This must be called before ttm_bo_init_reserved(). Subsequent
+ * bo_move() callbacks might already iterate the GEMs GPUVA list.
+ */
+ drm_gem_gpuva_init(&nvbo->bo.base);
+
ret = nouveau_bo_init(nvbo, size, align, domain, sg, robj);
if (ret)
return ret;
--
2.41.0
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