Expand the driver's DebugFS GEMS file to display entries for the heap
chunks' GEM objects, both those allocated at heap creation time through an
ioctl(), or in response to a tiler OOM event.
Signed-off-by: Adrián Larumbe <adrian.larumbe@xxxxxxxxxxxxx>
---
drivers/gpu/drm/panthor/panthor_heap.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/drivers/gpu/drm/panthor/panthor_heap.c b/drivers/gpu/drm/panthor/panthor_heap.c
index db0285ce5812..520d1fcf5c36 100644
--- a/drivers/gpu/drm/panthor/panthor_heap.c
+++ b/drivers/gpu/drm/panthor/panthor_heap.c
@@ -139,6 +139,10 @@ static int panthor_alloc_heap_chunk(struct panthor_device *ptdev,
struct panthor_heap_chunk *chunk;
struct panthor_heap_chunk_header *hdr;
int ret;
+#ifdef CONFIG_DEBUG_FS
+ struct panthor_gem_object *obj;
+ const char *label;
+#endif
chunk = kmalloc(sizeof(*chunk), GFP_KERNEL);
if (!chunk)
@@ -180,6 +184,17 @@ static int panthor_alloc_heap_chunk(struct panthor_device *ptdev,
heap->chunk_count++;
mutex_unlock(&heap->lock);
+#ifdef CONFIG_DEBUG_FS
+ obj = to_panthor_bo(chunk->bo->obj);
+
+ mutex_lock(&ptdev->gems_lock);
+ list_add_tail(&obj->gems_node, &ptdev->gems);
+ mutex_unlock(&ptdev->gems_lock);
+
+ label = kstrdup_const("\"Tiler heap chunk\"", GFP_KERNEL);
+ panthor_gem_label_bo(chunk->bo->obj, label);
+#endif
+
return 0;
err_destroy_bo:
--
2.48.1
