From: Dave Airlie <airlied@redhat.com>
Date: Mon, 2 Jun 2025 20:40:10 +0000 (+1000)
Subject: ttm/pool: allow debugfs dumps for numa pools.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0f6afbb2ae6c9bd2acd5acf75762fec68bc6fab0;p=thirdparty%2Flinux.git

ttm/pool: allow debugfs dumps for numa pools.

Currently you can't see per-device numa aware pools properly.

Cc: Christian König <christian.koenig@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://lore.kernel.org/r/20250602204013.1104258-1-airlied@gmail.com
---

diff --git a/drivers/gpu/drm/ttm/ttm_pool.c b/drivers/gpu/drm/ttm/ttm_pool.c
index 90b1bb903b930..4b16946d3248c 100644
--- a/drivers/gpu/drm/ttm/ttm_pool.c
+++ b/drivers/gpu/drm/ttm/ttm_pool.c
@@ -1235,7 +1235,7 @@ 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;
 	}
@@ -1244,7 +1244,12 @@ 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:");