[PATCH] drm/nouveau: fix ttm move notify callback
Konrad Rzeszutek Wilk
konrad.wilk at oracle.com
Thu Jan 5 13:48:54 PST 2012
On Thu, Jan 05, 2012 at 01:31:55PM -0500, j.glisse at gmail.com wrote:
> From: Jerome Glisse <jglisse at redhat.com>
>
> ttm might call the move notify with null new mem placement,
> properly handle this case inside nouveau move notify callback.
Let me give this a spin tonight on both PCIe and AGP hardware.
Um, were you thinking to repost your TTM AGP patch? I remember you sent
it as a "hey, try this please", but can't recall whether you were looking
to post another one?
>
> Signed-off-by: Jerome Glisse <jglisse at redhat.com>
> ---
> drivers/gpu/drm/nouveau/nouveau_bo.c | 6 +++---
> 1 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
> index f12dd0f..65f5b0b 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_bo.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
> @@ -808,9 +808,8 @@ out:
> }
>
> static void
> -nouveau_bo_move_ntfy(struct ttm_buffer_object *bo, struct ttm_mem_reg *new_mem)
> +nouveau_bo_move_notify(struct ttm_buffer_object *bo, struct ttm_mem_reg *new_mem)
> {
> - struct nouveau_mem *node = new_mem->mm_node;
> struct nouveau_bo *nvbo = nouveau_bo(bo);
> struct nouveau_vma *vma;
>
> @@ -820,6 +819,7 @@ nouveau_bo_move_ntfy(struct ttm_buffer_object *bo, struct ttm_mem_reg *new_mem)
> } else
> if (new_mem && new_mem->mem_type == TTM_PL_TT &&
> nvbo->page_shift == vma->vm->spg_shift) {
> + struct nouveau_mem *node = new_mem->mm_node;
> nouveau_vm_map_sg(vma, 0, new_mem->
> num_pages << PAGE_SHIFT,
> node, node->pages);
> @@ -1131,7 +1131,7 @@ struct ttm_bo_driver nouveau_bo_driver = {
> .invalidate_caches = nouveau_bo_invalidate_caches,
> .init_mem_type = nouveau_bo_init_mem_type,
> .evict_flags = nouveau_bo_evict_flags,
> - .move_notify = nouveau_bo_move_ntfy,
> + .move_notify = nouveau_bo_move_notify,
> .move = nouveau_bo_move,
> .verify_access = nouveau_bo_verify_access,
> .sync_obj_signaled = __nouveau_fence_signalled,
> --
> 1.7.7.1
>
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