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1 /*
2  * Copyright © 2017 Intel Corporation
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  */
23 
24 #ifndef BRW_PIPE_CONTROL_DOT_H
25 #define BRW_PIPE_CONTROL_DOT_H
26 
27 struct brw_context;
28 struct gen_device_info;
29 struct brw_bo;
30 
31 /** @{
32  *
33  * PIPE_CONTROL operation, a combination MI_FLUSH and register write with
34  * additional flushing control.
35  *
36  * The bits here are not the actual hardware values.  The actual values
37  * shift around a bit per-generation, so we just have flags for each
38  * potential operation, and use genxml to encode the actual packet.
39  */
40 enum pipe_control_flags
41 {
42    PIPE_CONTROL_FLUSH_LLC                       = (1 << 1),
43    PIPE_CONTROL_LRI_POST_SYNC_OP                = (1 << 2),
44    PIPE_CONTROL_STORE_DATA_INDEX                = (1 << 3),
45    PIPE_CONTROL_CS_STALL                        = (1 << 4),
46    PIPE_CONTROL_GLOBAL_SNAPSHOT_COUNT_RESET     = (1 << 5),
47    PIPE_CONTROL_SYNC_GFDT                       = (1 << 6),
48    PIPE_CONTROL_TLB_INVALIDATE                  = (1 << 7),
49    PIPE_CONTROL_MEDIA_STATE_CLEAR               = (1 << 8),
50    PIPE_CONTROL_WRITE_IMMEDIATE                 = (1 << 9),
51    PIPE_CONTROL_WRITE_DEPTH_COUNT               = (1 << 10),
52    PIPE_CONTROL_WRITE_TIMESTAMP                 = (1 << 11),
53    PIPE_CONTROL_DEPTH_STALL                     = (1 << 12),
54    PIPE_CONTROL_RENDER_TARGET_FLUSH             = (1 << 13),
55    PIPE_CONTROL_INSTRUCTION_INVALIDATE          = (1 << 14),
56    PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE        = (1 << 15),
57    PIPE_CONTROL_INDIRECT_STATE_POINTERS_DISABLE = (1 << 16),
58    PIPE_CONTROL_NOTIFY_ENABLE                   = (1 << 17),
59    PIPE_CONTROL_FLUSH_ENABLE                    = (1 << 18),
60    PIPE_CONTROL_DATA_CACHE_FLUSH                = (1 << 19),
61    PIPE_CONTROL_VF_CACHE_INVALIDATE             = (1 << 20),
62    PIPE_CONTROL_CONST_CACHE_INVALIDATE          = (1 << 21),
63    PIPE_CONTROL_STATE_CACHE_INVALIDATE          = (1 << 22),
64    PIPE_CONTROL_STALL_AT_SCOREBOARD             = (1 << 23),
65    PIPE_CONTROL_DEPTH_CACHE_FLUSH               = (1 << 24),
66 };
67 
68 #define PIPE_CONTROL_CACHE_FLUSH_BITS \
69    (PIPE_CONTROL_DEPTH_CACHE_FLUSH | PIPE_CONTROL_DATA_CACHE_FLUSH | \
70     PIPE_CONTROL_RENDER_TARGET_FLUSH)
71 
72 #define PIPE_CONTROL_CACHE_INVALIDATE_BITS \
73    (PIPE_CONTROL_STATE_CACHE_INVALIDATE | PIPE_CONTROL_CONST_CACHE_INVALIDATE | \
74     PIPE_CONTROL_VF_CACHE_INVALIDATE | PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE | \
75     PIPE_CONTROL_INSTRUCTION_INVALIDATE)
76 
77 /** @} */
78 
79 int brw_init_pipe_control(struct brw_context *brw,
80 			  const struct gen_device_info *info);
81 void brw_fini_pipe_control(struct brw_context *brw);
82 
83 void brw_emit_pipe_control_flush(struct brw_context *brw, uint32_t flags);
84 void brw_emit_pipe_control_write(struct brw_context *brw, uint32_t flags,
85                                  struct brw_bo *bo, uint32_t offset,
86                                  uint64_t imm);
87 void brw_emit_end_of_pipe_sync(struct brw_context *brw, uint32_t flags);
88 void brw_emit_mi_flush(struct brw_context *brw);
89 void brw_emit_post_sync_nonzero_flush(struct brw_context *brw);
90 void brw_emit_depth_stall_flushes(struct brw_context *brw);
91 void gen7_emit_vs_workaround_flush(struct brw_context *brw);
92 void gen7_emit_cs_stall_flush(struct brw_context *brw);
93 void gen7_emit_isp_disable(struct brw_context *brw);
94 
95 #endif
96