This is a note to let you know that I've just added the patch titled
drm/ttm: Fix ttm_pool_beneficial_order() return type
to the 6.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-ttm-fix-ttm_pool_beneficial_order-return-type.patch
and it can be found in the queue-6.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 6e3f4514e3b432871ac81717d24f56b441857f77 Mon Sep 17 00:00:00 2001
From: Tvrtko Ursulin <[email protected]>
Date: Fri, 27 Feb 2026 12:49:01 +0000
Subject: drm/ttm: Fix ttm_pool_beneficial_order() return type
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From: Tvrtko Ursulin <[email protected]>
commit 6e3f4514e3b432871ac81717d24f56b441857f77 upstream.
Fix a nasty copy and paste bug, where the incorrect boolean return type of
the ttm_pool_beneficial_order() helper had a consequence of avoiding
direct reclaim too eagerly for drivers which use this feature (currently
amdgpu).
Signed-off-by: Tvrtko Ursulin <[email protected]>
Fixes: 7e9c548d3709 ("drm/ttm: Allow drivers to specify maximum beneficial TTM
pool size")
Cc: Christian König <[email protected]>
Cc: Thadeu Lima de Souza Cascardo <[email protected]>
Cc: [email protected]
Cc: <[email protected]> # v6.19+
Reviewed-by: Christian König <[email protected]>
Signed-off-by: Tvrtko Ursulin <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpu/drm/ttm/ttm_pool_internal.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/ttm/ttm_pool_internal.h
b/drivers/gpu/drm/ttm/ttm_pool_internal.h
index 82c4b7e56a99..24c179fd69d1 100644
--- a/drivers/gpu/drm/ttm/ttm_pool_internal.h
+++ b/drivers/gpu/drm/ttm/ttm_pool_internal.h
@@ -17,7 +17,7 @@ static inline bool ttm_pool_uses_dma32(struct ttm_pool *pool)
return pool->alloc_flags & TTM_ALLOCATION_POOL_USE_DMA32;
}
-static inline bool ttm_pool_beneficial_order(struct ttm_pool *pool)
+static inline unsigned int ttm_pool_beneficial_order(struct ttm_pool *pool)
{
return pool->alloc_flags & 0xff;
}
--
2.53.0
Patches currently in stable-queue which might be from [email protected]
are
queue-6.19/drm-ttm-fix-ttm_pool_beneficial_order-return-type.patch
queue-6.19/drm-amdgpu-userq-fix-reference-leak-in-amdgpu_userq_wait_ioctl.patch
