[PATCH] drm/ttm: fix logic inversion in ttm_eu_reserve_buffers

[Matthew Auld]

On 11/04/2022 14:45, Christian König wrote:
> That should have been max, not min.
> 
> Signed-off-by: Christian König <christian.koenig at amd.com>
> Fixes: 73511edf8b19 ("dma-buf: specify usage while adding fences to dma_resv obj v7")

Should that rather be:

Fixes: c8d4c18bfbc4 ("dma-buf/drivers: make reserving a shared slot 
mandatory v4")

Reviewed-by: Matthew Auld <matthew.auld at intel.com>

> ---
>   drivers/gpu/drm/ttm/ttm_execbuf_util.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/ttm/ttm_execbuf_util.c b/drivers/gpu/drm/ttm/ttm_execbuf_util.c
> index 0eb995d25df1..dbee34a058df 100644
> --- a/drivers/gpu/drm/ttm/ttm_execbuf_util.c
> +++ b/drivers/gpu/drm/ttm/ttm_execbuf_util.c
> @@ -101,7 +101,7 @@ int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket,
>   			continue;
>   		}
>   
> -		num_fences = min(entry->num_shared, 1u);
> +		num_fences = max(entry->num_shared, 1u);
>   		if (!ret) {
>   			ret = dma_resv_reserve_fences(bo->base.resv,
>   						      num_fences);