[PATCH 34/49] drm/ttm: make manager debug function optional

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From: Dave Airlie <airlied@xxxxxxxxxx>

Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
---
 drivers/gpu/drm/ttm/ttm_bo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 92de8a6d7647..1e8fda1c9b3a 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -88,7 +88,7 @@ static void ttm_mem_type_debug(struct ttm_bo_device *bdev, struct drm_printer *p
 	drm_printf(p, "    size: %llu\n", man->size);
 	drm_printf(p, "    available_caching: 0x%08X\n", man->available_caching);
 	drm_printf(p, "    default_caching: 0x%08X\n", man->default_caching);
-	if (mem_type != TTM_PL_SYSTEM)
+	if (mem_type != TTM_PL_SYSTEM && man->func->debug)
 		(*man->func->debug)(man, p);
 }
 
-- 
2.26.2

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