1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
/*
* Copyright 2012 Advanced Micro Devices, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, and/or sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "util/u_memory.h"
#include "si_pipe.h"
#include "sid.h"
void si_pm4_cmd_begin(struct si_pm4_state *state, unsigned opcode)
{
state->last_opcode = opcode;
state->last_pm4 = state->ndw++;
}
void si_pm4_cmd_add(struct si_pm4_state *state, uint32_t dw)
{
state->pm4[state->ndw++] = dw;
}
void si_pm4_cmd_end(struct si_pm4_state *state, bool predicate)
{
unsigned count;
count = state->ndw - state->last_pm4 - 2;
state->pm4[state->last_pm4] =
PKT3(state->last_opcode, count, predicate);
assert(state->ndw <= SI_PM4_MAX_DW);
}
void si_pm4_set_reg(struct si_pm4_state *state, unsigned reg, uint32_t val)
{
unsigned opcode;
if (reg >= SI_CONFIG_REG_OFFSET && reg < SI_CONFIG_REG_END) {
opcode = PKT3_SET_CONFIG_REG;
reg -= SI_CONFIG_REG_OFFSET;
} else if (reg >= SI_SH_REG_OFFSET && reg < SI_SH_REG_END) {
opcode = PKT3_SET_SH_REG;
reg -= SI_SH_REG_OFFSET;
} else if (reg >= SI_CONTEXT_REG_OFFSET && reg < SI_CONTEXT_REG_END) {
opcode = PKT3_SET_CONTEXT_REG;
reg -= SI_CONTEXT_REG_OFFSET;
} else if (reg >= CIK_UCONFIG_REG_OFFSET && reg < CIK_UCONFIG_REG_END) {
opcode = PKT3_SET_UCONFIG_REG;
reg -= CIK_UCONFIG_REG_OFFSET;
} else {
PRINT_ERR("Invalid register offset %08x!\n", reg);
return;
}
reg >>= 2;
if (opcode != state->last_opcode || reg != (state->last_reg + 1)) {
si_pm4_cmd_begin(state, opcode);
si_pm4_cmd_add(state, reg);
}
state->last_reg = reg;
si_pm4_cmd_add(state, val);
si_pm4_cmd_end(state, false);
}
void si_pm4_add_bo(struct si_pm4_state *state,
struct r600_resource *bo,
enum radeon_bo_usage usage,
enum radeon_bo_priority priority)
{
unsigned idx = state->nbo++;
assert(idx < SI_PM4_MAX_BO);
r600_resource_reference(&state->bo[idx], bo);
state->bo_usage[idx] = usage;
state->bo_priority[idx] = priority;
}
void si_pm4_clear_state(struct si_pm4_state *state)
{
for (int i = 0; i < state->nbo; ++i)
r600_resource_reference(&state->bo[i], NULL);
r600_resource_reference(&state->indirect_buffer, NULL);
state->nbo = 0;
state->ndw = 0;
}
void si_pm4_free_state(struct si_context *sctx,
struct si_pm4_state *state,
unsigned idx)
{
if (!state)
return;
if (idx != ~0 && sctx->emitted.array[idx] == state) {
sctx->emitted.array[idx] = NULL;
}
si_pm4_clear_state(state);
FREE(state);
}
void si_pm4_emit(struct si_context *sctx, struct si_pm4_state *state)
{
struct radeon_winsys_cs *cs = sctx->b.gfx_cs;
for (int i = 0; i < state->nbo; ++i) {
radeon_add_to_buffer_list(sctx, sctx->b.gfx_cs, state->bo[i],
state->bo_usage[i], state->bo_priority[i]);
}
if (!state->indirect_buffer) {
radeon_emit_array(cs, state->pm4, state->ndw);
} else {
struct r600_resource *ib = state->indirect_buffer;
radeon_add_to_buffer_list(sctx, sctx->b.gfx_cs, ib,
RADEON_USAGE_READ,
RADEON_PRIO_IB2);
radeon_emit(cs, PKT3(PKT3_INDIRECT_BUFFER_CIK, 2, 0));
radeon_emit(cs, ib->gpu_address);
radeon_emit(cs, ib->gpu_address >> 32);
radeon_emit(cs, (ib->b.b.width0 >> 2) & 0xfffff);
}
}
void si_pm4_reset_emitted(struct si_context *sctx)
{
memset(&sctx->emitted, 0, sizeof(sctx->emitted));
sctx->dirty_states |= u_bit_consecutive(0, SI_NUM_STATES);
}
void si_pm4_upload_indirect_buffer(struct si_context *sctx,
struct si_pm4_state *state)
{
struct pipe_screen *screen = sctx->b.b.screen;
unsigned aligned_ndw = align(state->ndw, 8);
/* only supported on CIK and later */
if (sctx->b.chip_class < CIK)
return;
assert(state->ndw);
assert(aligned_ndw <= SI_PM4_MAX_DW);
r600_resource_reference(&state->indirect_buffer, NULL);
/* TODO: this hangs with 1024 or higher alignment on GFX9. */
state->indirect_buffer = (struct r600_resource*)
si_aligned_buffer_create(screen, 0,
PIPE_USAGE_DEFAULT, aligned_ndw * 4,
256);
if (!state->indirect_buffer)
return;
/* Pad the IB to 8 DWs to meet CP fetch alignment requirements. */
if (sctx->screen->info.gfx_ib_pad_with_type2) {
for (int i = state->ndw; i < aligned_ndw; i++)
state->pm4[i] = 0x80000000; /* type2 nop packet */
} else {
for (int i = state->ndw; i < aligned_ndw; i++)
state->pm4[i] = 0xffff1000; /* type3 nop packet */
}
pipe_buffer_write(&sctx->b.b, &state->indirect_buffer->b.b,
0, aligned_ndw *4, state->pm4);
}
|
