add led

hc

2024-05-10 10ebd8556b7990499c896a550e3d416b444211e6

 kernel/include/drm/drm_mm.h
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@@ -168,8 +168,10 @@
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 	struct rb_node rb_hole_addr;
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 	u64 __subtree_last;
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 	u64 hole_size;
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-	bool allocated : 1;
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-	bool scanned_block : 1;
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+	u64 subtree_max_hole;
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+	unsigned long flags;
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+#define DRM_MM_NODE_ALLOCATED_BIT	0
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+#define DRM_MM_NODE_SCANNED_BIT		1
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 #ifdef CONFIG_DRM_DEBUG_MM
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 	depot_stack_handle_t stack;
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 #endif
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@@ -253,7 +255,7 @@
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  */
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 static inline bool drm_mm_node_allocated(const struct drm_mm_node *node)
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 {
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-	return node->allocated;
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+	return test_bit(DRM_MM_NODE_ALLOCATED_BIT, &node->flags);
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 }
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 /**
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@@ -271,7 +273,7 @@
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  */
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 static inline bool drm_mm_initialized(const struct drm_mm *mm)
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 {
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-	return mm->hole_stack.next;
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+	return READ_ONCE(mm->hole_stack.next);
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 }
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 /**
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@@ -336,7 +338,7 @@
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 /**
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  * drm_mm_nodes - list of nodes under the drm_mm range manager
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- * @mm: the struct drm_mm range manger
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+ * @mm: the struct drm_mm range manager
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  *
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  * As the drm_mm range manager hides its node_list deep with its
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  * structure, extracting it looks painful and repetitive. This is