[PATCH 2/4] drm/ttm: zero allocation only for CPU domain

[Lucas Stach]

Hi David,

why is this patch 2/4 if it's just a single patch?

Am Dienstag, den 05.01.2016, 11:55 +0800 schrieb david1.zhou at amd.com:
> From: Chunming Zhou <David1.Zhou at amd.com>
> 
> Change-Id: I653d61e32faaa11c39bb978bf90301513a0c35b8

This change-id is just pure noise when you submit something upstream.

Please add a proper change log on why the change below is
necessary/helpful.

Regards,
Lucas

> Signed-off-by: Chunming Zhou <David1.Zhou at amd.com>
> ---
>  drivers/gpu/drm/ttm/ttm_bo.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/ttm/ttm_bo.c
> b/drivers/gpu/drm/ttm/ttm_bo.c
> index 745e996..0633b65 100644
> --- a/drivers/gpu/drm/ttm/ttm_bo.c
> +++ b/drivers/gpu/drm/ttm/ttm_bo.c
> @@ -301,6 +301,7 @@ static int ttm_bo_handle_move_mem(struct
> ttm_buffer_object *bo,
>  	if (!(new_man->flags & TTM_MEMTYPE_FLAG_FIXED)) {
>  		if (bo->ttm == NULL) {
>  			bool zero = !(old_man->flags &
> TTM_MEMTYPE_FLAG_FIXED);
> +			zero = (mem->mem_type == TTM_PL_SYSTEM) ?
> zero : false;
>  			ret = ttm_bo_add_ttm(bo, zero);
>  			if (ret)
>  				goto out_err;