[PATCH 3/4] drm/nouveau: always wait for the exclusive fence

[Daniel Vetter]

On Fri, Jul 02, 2021 at 01:16:41PM +0200, Christian König wrote:
> Drivers also need to to sync to the exclusive fence when
> a shared one is present.
> 
> Signed-off-by: Christian König <christian.koenig at amd.com>

Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>

> ---
>  drivers/gpu/drm/nouveau/nouveau_fence.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.c b/drivers/gpu/drm/nouveau/nouveau_fence.c
> index 6b43918035df..05d0b3eb3690 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_fence.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_fence.c
> @@ -358,7 +358,7 @@ nouveau_fence_sync(struct nouveau_bo *nvbo, struct nouveau_channel *chan, bool e
>  	fobj = dma_resv_shared_list(resv);
>  	fence = dma_resv_excl_fence(resv);
>  
> -	if (fence && (!exclusive || !fobj || !fobj->shared_count)) {
> +	if (fence) {
>  		struct nouveau_channel *prev = NULL;
>  		bool must_wait = true;
>  
> -- 
> 2.25.1
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch