add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/drivers/gpu/arm/bifrost/csf/mali_kbase_csf_tiler_heap_def.h
..
..
@@ -1,7 +1,7 @@
1
1
 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2
2
 /*
3
3
  *
4
- * (C) COPYRIGHT 2020-2021 ARM Limited. All rights reserved.
4
+ * (C) COPYRIGHT 2020-2022 ARM Limited. All rights reserved.
5
5
  *
6
6
  * This program is free software and is provided to you under the terms of the
7
7
  * GNU General Public License version 2 as published by the Free Software
..
..
@@ -56,27 +56,38 @@
56
56
 	((CHUNK_HDR_NEXT_ADDR_MASK >> CHUNK_HDR_NEXT_ADDR_POS) << \
57
57
 	 CHUNK_HDR_NEXT_ADDR_ENCODE_SHIFT)
58
58
 
59
+/* The size of the area needed to be vmapped prior to handing the tiler heap
60
+ * over to the tiler, so that the shrinker could be invoked.
61
+ */
62
+#define NEXT_CHUNK_ADDR_SIZE (sizeof(u64))
63
+
59
64
 /**
60
65
  * struct kbase_csf_tiler_heap_chunk - A tiler heap chunk managed by the kernel
66
+ *
67
+ * @link:   Link to this chunk in a list of chunks belonging to a
68
+ *          @kbase_csf_tiler_heap.
69
+ * @region: Pointer to the GPU memory region allocated for the chunk.
70
+ * @map:    Kernel VA mapping so that we would not need to use vmap in the
71
+ *          shrinker callback, which can allocate. This maps only the header
72
+ *          of the chunk, so it could be traversed.
73
+ * @gpu_va: GPU virtual address of the start of the memory region.
74
+ *          This points to the header of the chunk and not to the low address
75
+ *          of free memory within it.
61
76
  *
62
77
  * Chunks are allocated upon initialization of a tiler heap or in response to
63
78
  * out-of-memory events from the firmware. Chunks are always fully backed by
64
79
  * physical memory to avoid the overhead of processing GPU page faults. The
65
80
  * allocated GPU memory regions are linked together independent of the list of
66
81
  * kernel objects of this type.
67
- *
68
- * @link:   Link to this chunk in a list of chunks belonging to a
69
- *          @kbase_csf_tiler_heap.
70
- * @region: Pointer to the GPU memory region allocated for the chunk.
71
- * @gpu_va: GPU virtual address of the start of the memory region.
72
- *          This points to the header of the chunk and not to the low address
73
- *          of free memory within it.
74
82
  */
75
83
 struct kbase_csf_tiler_heap_chunk {
76
84
 	struct list_head link;
77
85
 	struct kbase_va_region *region;
86
+	struct kbase_vmap_struct map;
78
87
 	u64 gpu_va;
79
88
 };
89
+
90
+#define HEAP_BUF_DESCRIPTOR_CHECKED (1 << 0)
80
91
 
81
92
 /**
82
93
  * struct kbase_csf_tiler_heap - A tiler heap managed by the kernel
..
..
@@ -85,6 +96,20 @@
85
96
  *                   associated.
86
97
  * @link:            Link to this heap in a list of tiler heaps belonging to
87
98
  *                   the @kbase_csf_tiler_heap_context.
99
+ * @chunks_list:     Linked list of allocated chunks.
100
+ * @gpu_va:          The GPU virtual address of the heap context structure that
101
+ *                   was allocated for the firmware. This is also used to
102
+ *                   uniquely identify the heap.
103
+ * @heap_id:         Unique id representing the heap, assigned during heap
104
+ *                   initialization.
105
+ * @buf_desc_va:     Buffer descriptor GPU VA. Can be 0 for backward compatible
106
+ *                   to earlier version base interfaces.
107
+ * @buf_desc_reg:    Pointer to the VA region that covers the provided buffer
108
+ *                   descriptor memory object pointed to by buf_desc_va.
109
+ * @gpu_va_map:      Kernel VA mapping of the GPU VA region.
110
+ * @buf_desc_map:    Kernel VA mapping of the buffer descriptor, read from
111
+ *                   during the tiler heap shrinker. Sync operations may need
112
+ *                   to be done before each read.
88
113
  * @chunk_size:      Size of each chunk, in bytes. Must be page-aligned.
89
114
  * @chunk_count:     The number of chunks currently allocated. Must not be
90
115
  *                   zero or greater than @max_chunks.
..
..
@@ -93,22 +118,23 @@
93
118
  * @target_in_flight: Number of render-passes that the driver should attempt
94
119
  *                    to keep in flight for which allocation of new chunks is
95
120
  *                    allowed. Must not be zero.
96
- * @gpu_va:          The GPU virtual address of the heap context structure that
97
- *                   was allocated for the firmware. This is also used to
98
- *                   uniquely identify the heap.
99
- * @heap_id:         Unique id representing the heap, assigned during heap
100
- *                   initialization.
101
- * @chunks_list:     Linked list of allocated chunks.
121
+ * @buf_desc_checked: Indicates if runtime check on buffer descriptor has been done.
102
122
  */
103
123
 struct kbase_csf_tiler_heap {
104
124
 	struct kbase_context *kctx;
105
125
 	struct list_head link;
126
+	struct list_head chunks_list;
127
+	u64 gpu_va;
128
+	u64 heap_id;
129
+	u64 buf_desc_va;
130
+	struct kbase_va_region *buf_desc_reg;
131
+	struct kbase_vmap_struct buf_desc_map;
132
+	struct kbase_vmap_struct gpu_va_map;
106
133
 	u32 chunk_size;
107
134
 	u32 chunk_count;
108
135
 	u32 max_chunks;
109
136
 	u16 target_in_flight;
110
-	u64 gpu_va;
111
-	u64 heap_id;
112
-	struct list_head chunks_list;
137
+	bool buf_desc_checked;
113
138
 };
139
+
114
140
 #endif /* !_KBASE_CSF_TILER_HEAP_DEF_H_ */