Merge tag 'drm-misc-next-2022-11-03' of git://anongit.freedesktop.org/drm/drm-misc...
[linux-block.git] / drivers / gpu / drm / i915 / gt / gen8_engine_cs.h
1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2014 Intel Corporation
4  */
5
6 #ifndef __GEN8_ENGINE_CS_H__
7 #define __GEN8_ENGINE_CS_H__
8
9 #include <linux/string.h>
10 #include <linux/types.h>
11
12 #include "i915_gem.h" /* GEM_BUG_ON */
13 #include "intel_gt_regs.h"
14 #include "intel_gpu_commands.h"
15
16 struct intel_gt;
17 struct i915_request;
18
19 int gen8_emit_flush_rcs(struct i915_request *rq, u32 mode);
20 int gen11_emit_flush_rcs(struct i915_request *rq, u32 mode);
21 int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode);
22
23 int gen8_emit_flush_xcs(struct i915_request *rq, u32 mode);
24 int gen12_emit_flush_xcs(struct i915_request *rq, u32 mode);
25
26 int gen8_emit_init_breadcrumb(struct i915_request *rq);
27
28 int gen8_emit_bb_start_noarb(struct i915_request *rq,
29                              u64 offset, u32 len,
30                              const unsigned int flags);
31 int gen8_emit_bb_start(struct i915_request *rq,
32                        u64 offset, u32 len,
33                        const unsigned int flags);
34
35 int gen125_emit_bb_start_noarb(struct i915_request *rq,
36                                u64 offset, u32 len,
37                                const unsigned int flags);
38 int gen125_emit_bb_start(struct i915_request *rq,
39                          u64 offset, u32 len,
40                          const unsigned int flags);
41
42 u32 *gen8_emit_fini_breadcrumb_xcs(struct i915_request *rq, u32 *cs);
43 u32 *gen12_emit_fini_breadcrumb_xcs(struct i915_request *rq, u32 *cs);
44
45 u32 *gen8_emit_fini_breadcrumb_rcs(struct i915_request *rq, u32 *cs);
46 u32 *gen11_emit_fini_breadcrumb_rcs(struct i915_request *rq, u32 *cs);
47 u32 *gen12_emit_fini_breadcrumb_rcs(struct i915_request *rq, u32 *cs);
48
49 u32 *gen12_emit_aux_table_inv(struct intel_gt *gt, u32 *cs, const i915_reg_t inv_reg);
50
51 static inline u32 *
52 __gen8_emit_pipe_control(u32 *batch, u32 flags0, u32 flags1, u32 offset)
53 {
54         memset(batch, 0, 6 * sizeof(u32));
55
56         batch[0] = GFX_OP_PIPE_CONTROL(6) | flags0;
57         batch[1] = flags1;
58         batch[2] = offset;
59
60         return batch + 6;
61 }
62
63 static inline u32 *gen8_emit_pipe_control(u32 *batch, u32 flags, u32 offset)
64 {
65         return __gen8_emit_pipe_control(batch, 0, flags, offset);
66 }
67
68 static inline u32 *gen12_emit_pipe_control(u32 *batch, u32 flags0, u32 flags1, u32 offset)
69 {
70         return __gen8_emit_pipe_control(batch, flags0, flags1, offset);
71 }
72
73 static inline u32 *
74 __gen8_emit_write_rcs(u32 *cs, u32 value, u32 offset, u32 flags0, u32 flags1)
75 {
76         *cs++ = GFX_OP_PIPE_CONTROL(6) | flags0;
77         *cs++ = flags1 | PIPE_CONTROL_QW_WRITE;
78         *cs++ = offset;
79         *cs++ = 0;
80         *cs++ = value;
81         *cs++ = 0; /* We're thrashing one extra dword. */
82
83         return cs;
84 }
85
86 static inline u32*
87 gen8_emit_ggtt_write_rcs(u32 *cs, u32 value, u32 gtt_offset, u32 flags)
88 {
89         /* We're using qword write, offset should be aligned to 8 bytes. */
90         GEM_BUG_ON(!IS_ALIGNED(gtt_offset, 8));
91
92         return __gen8_emit_write_rcs(cs,
93                                      value,
94                                      gtt_offset,
95                                      0,
96                                      flags | PIPE_CONTROL_GLOBAL_GTT_IVB);
97 }
98
99 static inline u32*
100 gen12_emit_ggtt_write_rcs(u32 *cs, u32 value, u32 gtt_offset, u32 flags0, u32 flags1)
101 {
102         /* We're using qword write, offset should be aligned to 8 bytes. */
103         GEM_BUG_ON(!IS_ALIGNED(gtt_offset, 8));
104
105         return __gen8_emit_write_rcs(cs,
106                                      value,
107                                      gtt_offset,
108                                      flags0,
109                                      flags1 | PIPE_CONTROL_GLOBAL_GTT_IVB);
110 }
111
112 static inline u32 *
113 __gen8_emit_flush_dw(u32 *cs, u32 value, u32 gtt_offset, u32 flags)
114 {
115         *cs++ = (MI_FLUSH_DW + 1) | flags;
116         *cs++ = gtt_offset;
117         *cs++ = 0;
118         *cs++ = value;
119
120         return cs;
121 }
122
123 static inline u32 *
124 gen8_emit_ggtt_write(u32 *cs, u32 value, u32 gtt_offset, u32 flags)
125 {
126         /* w/a: bit 5 needs to be zero for MI_FLUSH_DW address. */
127         GEM_BUG_ON(gtt_offset & (1 << 5));
128         /* Offset should be aligned to 8 bytes for both (QW/DW) write types */
129         GEM_BUG_ON(!IS_ALIGNED(gtt_offset, 8));
130
131         return __gen8_emit_flush_dw(cs,
132                                     value,
133                                     gtt_offset | MI_FLUSH_DW_USE_GTT,
134                                     flags | MI_FLUSH_DW_OP_STOREDW);
135 }
136
137 #endif /* __GEN8_ENGINE_CS_H__ */