[PATCH] nouveau/gsp: get zeroed pages for any device allocations we need

[Danilo Krummrich]

On 6/17/25 7:09 AM, Dave Airlie wrote:
> From: Dave Airlie <airlied at redhat.com>
> 
> This seems to remove some random behaviour around suspend/resume
> operations, and ordering of memory allocations.

What do you mean with ordering of memory allocations?

> 
> Cc: stable at vger.kernel.org

I think we should add:

Fixes: 176fdcbddfd2 ("drm/nouveau/gsp/r535: add support for booting GSP-RM")

> Reviewed-by: Ben Skeggs <bskeggs at nvidia.com>
> Signed-off-by: Dave Airlie <airlied at redhat.com>
> ---
>   drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/gsp.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/gsp.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/gsp.c
> index baf42339f93e..4460da3239b5 100644
> --- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/gsp.c
> +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/gsp.c
> @@ -1583,7 +1583,7 @@ nvkm_gsp_sg(struct nvkm_device *device, u64 size, struct sg_table *sgt)
>   		return ret;
>   
>   	for_each_sgtable_sg(sgt, sgl, i) {
> -		struct page *page = alloc_page(GFP_KERNEL);
> +		struct page *page = alloc_page(GFP_KERNEL | __GFP_ZERO);
>   
>   		if (!page) {
>   			nvkm_gsp_sg_free(device, sgt);