[PATCH] ttm/pool: allow debugfs dumps for numa pools.

[Christian König]

On 6/2/25 22:40, Dave Airlie wrote:
> From: Dave Airlie <airlied at redhat.com>
> 
> Currently you can't see per-device numa aware pools properly.
> 
> Cc: Christian König <christian.koenig at amd.com>
> Signed-off-by: Dave Airlie <airlied at redhat.com>

Reviewed-by: Christian König <christian.koenig at amd.com>

Any follow up patch to wire this up in amdgpu?

Regards,
Christian.

> ---
>  drivers/gpu/drm/ttm/ttm_pool.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/ttm/ttm_pool.c b/drivers/gpu/drm/ttm/ttm_pool.c
> index ccc3b9a13e9e..43b69d061dff 100644
> --- a/drivers/gpu/drm/ttm/ttm_pool.c
> +++ b/drivers/gpu/drm/ttm/ttm_pool.c
> @@ -1253,7 +1253,7 @@ int ttm_pool_debugfs(struct ttm_pool *pool, struct seq_file *m)
>  {
>  	unsigned int i;
>  
> -	if (!pool->use_dma_alloc) {
> +	if (!pool->use_dma_alloc && pool->nid == NUMA_NO_NODE) {
>  		seq_puts(m, "unused\n");
>  		return 0;
>  	}
> @@ -1262,7 +1262,12 @@ int ttm_pool_debugfs(struct ttm_pool *pool, struct seq_file *m)
>  
>  	spin_lock(&shrinker_lock);
>  	for (i = 0; i < TTM_NUM_CACHING_TYPES; ++i) {
> -		seq_puts(m, "DMA ");
> +		if (!ttm_pool_select_type(pool, i, 0))
> +			continue;
> +		if (pool->use_dma_alloc)
> +			seq_puts(m, "DMA ");
> +		else
> +			seq_printf(m, "N%d ", pool->nid);
>  		switch (i) {
>  		case ttm_cached:
>  			seq_puts(m, "\t:");