Re: [PATCH 3/5] drm/ttm: use new move interface for known system->ttm moves

[Christian König <christian.koenig@xxxxxxx>]

Am 19.10.20 um 09:13 schrieb Dave Airlie:
> From: Dave Airlie <airlied@xxxxxxxxxx>
>
> In all 3 drivers there is a case where the driver knows the
> bo is in SYSTEM so don't call the api that checks that.
>
> Reviewed-by: Ben Skeggs <bskeggs@xxxxxxxxxx>
> Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>

Reviewed-by: Christian König <christian.koenig@xxxxxxx>

> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 4 ++--
>   drivers/gpu/drm/nouveau/nouveau_bo.c    | 3 ++-
>   drivers/gpu/drm/radeon/radeon_ttm.c     | 3 ++-
>   drivers/gpu/drm/ttm/ttm_bo_util.c       | 1 +
>   4 files changed, 7 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> index 8cdec58b9106..f8c9d66d3ef7 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> @@ -601,11 +601,11 @@ static int amdgpu_move_ram_vram(struct ttm_buffer_object *bo, bool evict,
>   	}
>   
>   	/* move/bind old memory to GTT space */
> -	r = ttm_bo_move_ttm(bo, ctx, &tmp_mem);
> +	r = ttm_bo_move_to_new_tt_mem(bo, ctx, &tmp_mem);
>   	if (unlikely(r)) {
>   		goto out_cleanup;
>   	}
> -
> +	ttm_bo_assign_mem(bo, &tmp_mem);
>   	/* copy to VRAM */
>   	r = amdgpu_move_blit(bo, evict, new_mem, old_mem);
>   	if (unlikely(r)) {
> diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
> index 4ccb3329014b..63baa9367851 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_bo.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
> @@ -927,10 +927,11 @@ nouveau_bo_move_flips(struct ttm_buffer_object *bo, bool evict,
>   	if (ret)
>   		return ret;
>   
> -	ret = ttm_bo_move_ttm(bo, ctx, &tmp_reg);
> +	ret = ttm_bo_move_to_new_tt_mem(bo, ctx, &tmp_reg);
>   	if (ret)
>   		goto out;
>   
> +	ttm_bo_assign_mem(bo, &tmp_reg);
>   	ret = nouveau_bo_move_m2mf(bo, true, ctx, new_reg);
>   	if (ret)
>   		goto out;
> diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
> index d6f42fbc81f4..9437d29248fd 100644
> --- a/drivers/gpu/drm/radeon/radeon_ttm.c
> +++ b/drivers/gpu/drm/radeon/radeon_ttm.c
> @@ -275,10 +275,11 @@ static int radeon_move_ram_vram(struct ttm_buffer_object *bo,
>   	if (unlikely(r)) {
>   		return r;
>   	}
> -	r = ttm_bo_move_ttm(bo, ctx, &tmp_mem);
> +	r = ttm_bo_move_to_new_tt_mem(bo, ctx, &tmp_mem);
>   	if (unlikely(r)) {
>   		goto out_cleanup;
>   	}
> +	ttm_bo_assign_mem(bo, &tmp_mem);
>   	r = radeon_move_blit(bo, true, new_mem, old_mem);
>   	if (unlikely(r)) {
>   		goto out_cleanup;
> diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
> index 29726652fef7..39e03d99a377 100644
> --- a/drivers/gpu/drm/ttm/ttm_bo_util.c
> +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
> @@ -64,6 +64,7 @@ int ttm_bo_move_to_new_tt_mem(struct ttm_buffer_object *bo,
>   
>   	return 0;
>   }
> +EXPORT_SYMBOL(ttm_bo_move_to_new_tt_mem);
>   
>   static int ttm_bo_move_old_to_system(struct ttm_buffer_object *bo,
>   				     struct ttm_operation_ctx *ctx)

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