1 /*
2 * Copyright 2019 Advanced Micro Devices, Inc.
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 shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23
24 #include <linux/delay.h>
25 #include <linux/firmware.h>
26 #include <linux/module.h>
27 #include <linux/pci.h>
28
29 #include "amdgpu.h"
30 #include "amdgpu_ucode.h"
31 #include "amdgpu_trace.h"
32
33 #include "gc/gc_10_1_0_offset.h"
34 #include "gc/gc_10_1_0_sh_mask.h"
35 #include "ivsrcid/sdma0/irqsrcs_sdma0_5_0.h"
36 #include "ivsrcid/sdma1/irqsrcs_sdma1_5_0.h"
37
38 #include "soc15_common.h"
39 #include "soc15.h"
40 #include "navi10_sdma_pkt_open.h"
41 #include "nbio_v2_3.h"
42 #include "sdma_common.h"
43 #include "sdma_v5_0.h"
44
45 MODULE_FIRMWARE("amdgpu/navi10_sdma.bin");
46 MODULE_FIRMWARE("amdgpu/navi10_sdma1.bin");
47
48 MODULE_FIRMWARE("amdgpu/navi14_sdma.bin");
49 MODULE_FIRMWARE("amdgpu/navi14_sdma1.bin");
50
51 MODULE_FIRMWARE("amdgpu/navi12_sdma.bin");
52 MODULE_FIRMWARE("amdgpu/navi12_sdma1.bin");
53
54 MODULE_FIRMWARE("amdgpu/cyan_skillfish2_sdma.bin");
55 MODULE_FIRMWARE("amdgpu/cyan_skillfish2_sdma1.bin");
56
57 #define SDMA1_REG_OFFSET 0x600
58 #define SDMA0_HYP_DEC_REG_START 0x5880
59 #define SDMA0_HYP_DEC_REG_END 0x5893
60 #define SDMA1_HYP_DEC_REG_OFFSET 0x20
61
62 static const struct amdgpu_hwip_reg_entry sdma_reg_list_5_0[] = {
63 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_STATUS_REG),
64 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_STATUS1_REG),
65 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_STATUS2_REG),
66 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_STATUS3_REG),
67 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_UCODE_CHECKSUM),
68 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RB_RPTR_FETCH_HI),
69 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RB_RPTR_FETCH),
70 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_UTCL1_RD_STATUS),
71 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_UTCL1_WR_STATUS),
72 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_UTCL1_RD_XNACK0),
73 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_UTCL1_RD_XNACK1),
74 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_UTCL1_WR_XNACK0),
75 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_UTCL1_WR_XNACK1),
76 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_RB_CNTL),
77 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_RB_RPTR),
78 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_RB_RPTR_HI),
79 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_RB_WPTR),
80 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_RB_WPTR_HI),
81 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_IB_OFFSET),
82 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_IB_BASE_LO),
83 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_IB_BASE_HI),
84 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_IB_CNTL),
85 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_IB_RPTR),
86 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_IB_SUB_REMAIN),
87 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_GFX_DUMMY_REG),
88 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_RB_CNTL),
89 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_RB_RPTR),
90 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_RB_RPTR_HI),
91 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_RB_WPTR),
92 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_RB_WPTR_HI),
93 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_IB_OFFSET),
94 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_IB_BASE_LO),
95 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_IB_BASE_HI),
96 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_PAGE_DUMMY_REG),
97 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_RB_CNTL),
98 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_RB_RPTR),
99 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_RB_RPTR_HI),
100 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_RB_WPTR),
101 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_RB_WPTR_HI),
102 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_IB_OFFSET),
103 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_IB_BASE_LO),
104 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_IB_BASE_HI),
105 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_RLC0_DUMMY_REG),
106 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_INT_STATUS),
107 SOC15_REG_ENTRY_STR(GC, 0, mmSDMA0_VM_CNTL),
108 SOC15_REG_ENTRY_STR(GC, 0, mmGRBM_STATUS2)
109 };
110
111 static void sdma_v5_0_set_ring_funcs(struct amdgpu_device *adev);
112 static void sdma_v5_0_set_buffer_funcs(struct amdgpu_device *adev);
113 static void sdma_v5_0_set_vm_pte_funcs(struct amdgpu_device *adev);
114 static void sdma_v5_0_set_irq_funcs(struct amdgpu_device *adev);
115
116 static const struct soc15_reg_golden golden_settings_sdma_5[] = {
117 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107),
118 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
119 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
120 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
121 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
122 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
123 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
124 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
125 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
126 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
127 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
128 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_UTCL1_PAGE, 0x00ffffff, 0x000c5c00),
129 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107),
130 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
131 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
132 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
133 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
134 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
135 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
136 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
137 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
138 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
139 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
140 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_UTCL1_PAGE, 0x00ffffff, 0x000c5c00)
141 };
142
143 static const struct soc15_reg_golden golden_settings_sdma_5_sriov[] = {
144 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
145 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
146 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
147 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
148 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
149 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
150 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
151 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
152 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
153 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
154 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
155 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
156 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
157 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
158 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
159 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
160 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
161 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
162 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
163 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
164 };
165
166 static const struct soc15_reg_golden golden_settings_sdma_nv10[] = {
167 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
168 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
169 };
170
171 static const struct soc15_reg_golden golden_settings_sdma_nv14[] = {
172 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
173 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
174 };
175
176 static const struct soc15_reg_golden golden_settings_sdma_nv12[] = {
177 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
178 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GB_ADDR_CONFIG, 0x001877ff, 0x00000044),
179 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x001877ff, 0x00000044),
180 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GB_ADDR_CONFIG, 0x001877ff, 0x00000044),
181 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x001877ff, 0x00000044),
182 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
183 };
184
185 static const struct soc15_reg_golden golden_settings_sdma_cyan_skillfish[] = {
186 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107),
187 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GB_ADDR_CONFIG, 0x001877ff, 0x00000044),
188 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x001877ff, 0x00000044),
189 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
190 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
191 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
192 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
193 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
194 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
195 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
196 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
197 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
198 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
199 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_UTCL1_PAGE, 0x007fffff, 0x004c5c00),
200 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_CHICKEN_BITS, 0xffbf1f0f, 0x03ab0107),
201 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GB_ADDR_CONFIG, 0x001877ff, 0x00000044),
202 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x001877ff, 0x00000044),
203 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
204 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
205 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
206 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
207 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
208 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
209 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
210 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
211 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
212 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
213 SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_UTCL1_PAGE, 0x007fffff, 0x004c5c00)
214 };
215
sdma_v5_0_get_reg_offset(struct amdgpu_device * adev,u32 instance,u32 internal_offset)216 static u32 sdma_v5_0_get_reg_offset(struct amdgpu_device *adev, u32 instance, u32 internal_offset)
217 {
218 u32 base;
219
220 if (internal_offset >= SDMA0_HYP_DEC_REG_START &&
221 internal_offset <= SDMA0_HYP_DEC_REG_END) {
222 base = adev->reg_offset[GC_HWIP][0][1];
223 if (instance == 1)
224 internal_offset += SDMA1_HYP_DEC_REG_OFFSET;
225 } else {
226 base = adev->reg_offset[GC_HWIP][0][0];
227 if (instance == 1)
228 internal_offset += SDMA1_REG_OFFSET;
229 }
230
231 return base + internal_offset;
232 }
233
sdma_v5_0_init_golden_registers(struct amdgpu_device * adev)234 static void sdma_v5_0_init_golden_registers(struct amdgpu_device *adev)
235 {
236 switch (amdgpu_ip_version(adev, SDMA0_HWIP, 0)) {
237 case IP_VERSION(5, 0, 0):
238 soc15_program_register_sequence(adev,
239 golden_settings_sdma_5,
240 (const u32)ARRAY_SIZE(golden_settings_sdma_5));
241 soc15_program_register_sequence(adev,
242 golden_settings_sdma_nv10,
243 (const u32)ARRAY_SIZE(golden_settings_sdma_nv10));
244 break;
245 case IP_VERSION(5, 0, 2):
246 soc15_program_register_sequence(adev,
247 golden_settings_sdma_5,
248 (const u32)ARRAY_SIZE(golden_settings_sdma_5));
249 soc15_program_register_sequence(adev,
250 golden_settings_sdma_nv14,
251 (const u32)ARRAY_SIZE(golden_settings_sdma_nv14));
252 break;
253 case IP_VERSION(5, 0, 5):
254 if (amdgpu_sriov_vf(adev))
255 soc15_program_register_sequence(adev,
256 golden_settings_sdma_5_sriov,
257 (const u32)ARRAY_SIZE(golden_settings_sdma_5_sriov));
258 else
259 soc15_program_register_sequence(adev,
260 golden_settings_sdma_5,
261 (const u32)ARRAY_SIZE(golden_settings_sdma_5));
262 soc15_program_register_sequence(adev,
263 golden_settings_sdma_nv12,
264 (const u32)ARRAY_SIZE(golden_settings_sdma_nv12));
265 break;
266 case IP_VERSION(5, 0, 1):
267 soc15_program_register_sequence(adev,
268 golden_settings_sdma_cyan_skillfish,
269 (const u32)ARRAY_SIZE(golden_settings_sdma_cyan_skillfish));
270 break;
271 default:
272 break;
273 }
274 }
275
276 /**
277 * sdma_v5_0_init_microcode - load ucode images from disk
278 *
279 * @adev: amdgpu_device pointer
280 *
281 * Use the firmware interface to load the ucode images into
282 * the driver (not loaded into hw).
283 * Returns 0 on success, error on failure.
284 */
285
286 // emulation only, won't work on real chip
287 // navi10 real chip need to use PSP to load firmware
sdma_v5_0_init_microcode(struct amdgpu_device * adev)288 static int sdma_v5_0_init_microcode(struct amdgpu_device *adev)
289 {
290 int ret, i;
291
292 for (i = 0; i < adev->sdma.num_instances; i++) {
293 ret = amdgpu_sdma_init_microcode(adev, i, false);
294 if (ret)
295 return ret;
296 }
297
298 return ret;
299 }
300
sdma_v5_0_ring_init_cond_exec(struct amdgpu_ring * ring,uint64_t addr)301 static unsigned sdma_v5_0_ring_init_cond_exec(struct amdgpu_ring *ring,
302 uint64_t addr)
303 {
304 unsigned ret;
305
306 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_COND_EXE));
307 amdgpu_ring_write(ring, lower_32_bits(addr));
308 amdgpu_ring_write(ring, upper_32_bits(addr));
309 amdgpu_ring_write(ring, 1);
310 /* this is the offset we need patch later */
311 ret = ring->wptr & ring->buf_mask;
312 /* insert dummy here and patch it later */
313 amdgpu_ring_write(ring, 0);
314
315 return ret;
316 }
317
318 /**
319 * sdma_v5_0_ring_get_rptr - get the current read pointer
320 *
321 * @ring: amdgpu ring pointer
322 *
323 * Get the current rptr from the hardware (NAVI10+).
324 */
sdma_v5_0_ring_get_rptr(struct amdgpu_ring * ring)325 static uint64_t sdma_v5_0_ring_get_rptr(struct amdgpu_ring *ring)
326 {
327 u64 *rptr;
328
329 /* XXX check if swapping is necessary on BE */
330 rptr = (u64 *)ring->rptr_cpu_addr;
331
332 DRM_DEBUG("rptr before shift == 0x%016llx\n", *rptr);
333 return ((*rptr) >> 2);
334 }
335
336 /**
337 * sdma_v5_0_ring_get_wptr - get the current write pointer
338 *
339 * @ring: amdgpu ring pointer
340 *
341 * Get the current wptr from the hardware (NAVI10+).
342 */
sdma_v5_0_ring_get_wptr(struct amdgpu_ring * ring)343 static uint64_t sdma_v5_0_ring_get_wptr(struct amdgpu_ring *ring)
344 {
345 struct amdgpu_device *adev = ring->adev;
346 u64 wptr;
347
348 if (ring->use_doorbell) {
349 /* XXX check if swapping is necessary on BE */
350 wptr = READ_ONCE(*((u64 *)ring->wptr_cpu_addr));
351 DRM_DEBUG("wptr/doorbell before shift == 0x%016llx\n", wptr);
352 } else {
353 wptr = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR_HI));
354 wptr = wptr << 32;
355 wptr |= RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, ring->me, mmSDMA0_GFX_RB_WPTR));
356 DRM_DEBUG("wptr before shift [%i] wptr == 0x%016llx\n", ring->me, wptr);
357 }
358
359 return wptr >> 2;
360 }
361
362 /**
363 * sdma_v5_0_ring_set_wptr - commit the write pointer
364 *
365 * @ring: amdgpu ring pointer
366 *
367 * Write the wptr back to the hardware (NAVI10+).
368 */
sdma_v5_0_ring_set_wptr(struct amdgpu_ring * ring)369 static void sdma_v5_0_ring_set_wptr(struct amdgpu_ring *ring)
370 {
371 struct amdgpu_device *adev = ring->adev;
372 uint32_t *wptr_saved;
373 uint32_t *is_queue_unmap;
374 uint64_t aggregated_db_index;
375 uint32_t mqd_size = adev->mqds[AMDGPU_HW_IP_DMA].mqd_size;
376
377 DRM_DEBUG("Setting write pointer\n");
378 if (ring->is_mes_queue) {
379 wptr_saved = (uint32_t *)(ring->mqd_ptr + mqd_size);
380 is_queue_unmap = (uint32_t *)(ring->mqd_ptr + mqd_size +
381 sizeof(uint32_t));
382 aggregated_db_index =
383 amdgpu_mes_get_aggregated_doorbell_index(adev,
384 AMDGPU_MES_PRIORITY_LEVEL_NORMAL);
385
386 atomic64_set((atomic64_t *)ring->wptr_cpu_addr,
387 ring->wptr << 2);
388 *wptr_saved = ring->wptr << 2;
389 if (*is_queue_unmap) {
390 WDOORBELL64(aggregated_db_index, ring->wptr << 2);
391 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
392 ring->doorbell_index, ring->wptr << 2);
393 WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
394 } else {
395 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
396 ring->doorbell_index, ring->wptr << 2);
397 WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
398
399 if (*is_queue_unmap)
400 WDOORBELL64(aggregated_db_index,
401 ring->wptr << 2);
402 }
403 } else {
404 if (ring->use_doorbell) {
405 DRM_DEBUG("Using doorbell -- "
406 "wptr_offs == 0x%08x "
407 "lower_32_bits(ring->wptr) << 2 == 0x%08x "
408 "upper_32_bits(ring->wptr) << 2 == 0x%08x\n",
409 ring->wptr_offs,
410 lower_32_bits(ring->wptr << 2),
411 upper_32_bits(ring->wptr << 2));
412 /* XXX check if swapping is necessary on BE */
413 atomic64_set((atomic64_t *)ring->wptr_cpu_addr,
414 ring->wptr << 2);
415 DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
416 ring->doorbell_index, ring->wptr << 2);
417 WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
418 } else {
419 DRM_DEBUG("Not using doorbell -- "
420 "mmSDMA%i_GFX_RB_WPTR == 0x%08x "
421 "mmSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n",
422 ring->me,
423 lower_32_bits(ring->wptr << 2),
424 ring->me,
425 upper_32_bits(ring->wptr << 2));
426 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev,
427 ring->me, mmSDMA0_GFX_RB_WPTR),
428 lower_32_bits(ring->wptr << 2));
429 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev,
430 ring->me, mmSDMA0_GFX_RB_WPTR_HI),
431 upper_32_bits(ring->wptr << 2));
432 }
433 }
434 }
435
sdma_v5_0_ring_insert_nop(struct amdgpu_ring * ring,uint32_t count)436 static void sdma_v5_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
437 {
438 struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring);
439 int i;
440
441 for (i = 0; i < count; i++)
442 if (sdma && sdma->burst_nop && (i == 0))
443 amdgpu_ring_write(ring, ring->funcs->nop |
444 SDMA_PKT_NOP_HEADER_COUNT(count - 1));
445 else
446 amdgpu_ring_write(ring, ring->funcs->nop);
447 }
448
449 /**
450 * sdma_v5_0_ring_emit_ib - Schedule an IB on the DMA engine
451 *
452 * @ring: amdgpu ring pointer
453 * @job: job to retrieve vmid from
454 * @ib: IB object to schedule
455 * @flags: unused
456 *
457 * Schedule an IB in the DMA ring (NAVI10).
458 */
sdma_v5_0_ring_emit_ib(struct amdgpu_ring * ring,struct amdgpu_job * job,struct amdgpu_ib * ib,uint32_t flags)459 static void sdma_v5_0_ring_emit_ib(struct amdgpu_ring *ring,
460 struct amdgpu_job *job,
461 struct amdgpu_ib *ib,
462 uint32_t flags)
463 {
464 unsigned vmid = AMDGPU_JOB_GET_VMID(job);
465 uint64_t csa_mc_addr = amdgpu_sdma_get_csa_mc_addr(ring, vmid);
466
467 /* An IB packet must end on a 8 DW boundary--the next dword
468 * must be on a 8-dword boundary. Our IB packet below is 6
469 * dwords long, thus add x number of NOPs, such that, in
470 * modular arithmetic,
471 * wptr + 6 + x = 8k, k >= 0, which in C is,
472 * (wptr + 6 + x) % 8 = 0.
473 * The expression below, is a solution of x.
474 */
475 sdma_v5_0_ring_insert_nop(ring, (2 - lower_32_bits(ring->wptr)) & 7);
476
477 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_INDIRECT) |
478 SDMA_PKT_INDIRECT_HEADER_VMID(vmid & 0xf));
479 /* base must be 32 byte aligned */
480 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr) & 0xffffffe0);
481 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
482 amdgpu_ring_write(ring, ib->length_dw);
483 amdgpu_ring_write(ring, lower_32_bits(csa_mc_addr));
484 amdgpu_ring_write(ring, upper_32_bits(csa_mc_addr));
485 }
486
487 /**
488 * sdma_v5_0_ring_emit_mem_sync - flush the IB by graphics cache rinse
489 *
490 * @ring: amdgpu ring pointer
491 *
492 * flush the IB by graphics cache rinse.
493 */
sdma_v5_0_ring_emit_mem_sync(struct amdgpu_ring * ring)494 static void sdma_v5_0_ring_emit_mem_sync(struct amdgpu_ring *ring)
495 {
496 uint32_t gcr_cntl = SDMA_GCR_GL2_INV | SDMA_GCR_GL2_WB | SDMA_GCR_GLM_INV |
497 SDMA_GCR_GL1_INV | SDMA_GCR_GLV_INV | SDMA_GCR_GLK_INV |
498 SDMA_GCR_GLI_INV(1);
499
500 /* flush entire cache L0/L1/L2, this can be optimized by performance requirement */
501 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_GCR_REQ));
502 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD1_BASE_VA_31_7(0));
503 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD2_GCR_CONTROL_15_0(gcr_cntl) |
504 SDMA_PKT_GCR_REQ_PAYLOAD2_BASE_VA_47_32(0));
505 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD3_LIMIT_VA_31_7(0) |
506 SDMA_PKT_GCR_REQ_PAYLOAD3_GCR_CONTROL_18_16(gcr_cntl >> 16));
507 amdgpu_ring_write(ring, SDMA_PKT_GCR_REQ_PAYLOAD4_LIMIT_VA_47_32(0) |
508 SDMA_PKT_GCR_REQ_PAYLOAD4_VMID(0));
509 }
510
511 /**
512 * sdma_v5_0_ring_emit_hdp_flush - emit an hdp flush on the DMA ring
513 *
514 * @ring: amdgpu ring pointer
515 *
516 * Emit an hdp flush packet on the requested DMA ring.
517 */
sdma_v5_0_ring_emit_hdp_flush(struct amdgpu_ring * ring)518 static void sdma_v5_0_ring_emit_hdp_flush(struct amdgpu_ring *ring)
519 {
520 struct amdgpu_device *adev = ring->adev;
521 u32 ref_and_mask = 0;
522 const struct nbio_hdp_flush_reg *nbio_hf_reg = adev->nbio.hdp_flush_reg;
523
524 if (ring->me == 0)
525 ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0;
526 else
527 ref_and_mask = nbio_hf_reg->ref_and_mask_sdma1;
528
529 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
530 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(1) |
531 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */
532 amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_done_offset(adev)) << 2);
533 amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_req_offset(adev)) << 2);
534 amdgpu_ring_write(ring, ref_and_mask); /* reference */
535 amdgpu_ring_write(ring, ref_and_mask); /* mask */
536 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
537 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */
538 }
539
540 /**
541 * sdma_v5_0_ring_emit_fence - emit a fence on the DMA ring
542 *
543 * @ring: amdgpu ring pointer
544 * @addr: address
545 * @seq: sequence number
546 * @flags: fence related flags
547 *
548 * Add a DMA fence packet to the ring to write
549 * the fence seq number and DMA trap packet to generate
550 * an interrupt if needed (NAVI10).
551 */
sdma_v5_0_ring_emit_fence(struct amdgpu_ring * ring,u64 addr,u64 seq,unsigned flags)552 static void sdma_v5_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
553 unsigned flags)
554 {
555 bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT;
556 /* write the fence */
557 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE) |
558 SDMA_PKT_FENCE_HEADER_MTYPE(0x3)); /* Ucached(UC) */
559 /* zero in first two bits */
560 BUG_ON(addr & 0x3);
561 amdgpu_ring_write(ring, lower_32_bits(addr));
562 amdgpu_ring_write(ring, upper_32_bits(addr));
563 amdgpu_ring_write(ring, lower_32_bits(seq));
564
565 /* optionally write high bits as well */
566 if (write64bit) {
567 addr += 4;
568 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE) |
569 SDMA_PKT_FENCE_HEADER_MTYPE(0x3));
570 /* zero in first two bits */
571 BUG_ON(addr & 0x3);
572 amdgpu_ring_write(ring, lower_32_bits(addr));
573 amdgpu_ring_write(ring, upper_32_bits(addr));
574 amdgpu_ring_write(ring, upper_32_bits(seq));
575 }
576
577 if (flags & AMDGPU_FENCE_FLAG_INT) {
578 uint32_t ctx = ring->is_mes_queue ?
579 (ring->hw_queue_id | AMDGPU_FENCE_MES_QUEUE_FLAG) : 0;
580 /* generate an interrupt */
581 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_TRAP));
582 amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(ctx));
583 }
584 }
585
586
587 /**
588 * sdma_v5_0_gfx_stop - stop the gfx async dma engines
589 *
590 * @adev: amdgpu_device pointer
591 *
592 * Stop the gfx async dma ring buffers (NAVI10).
593 */
sdma_v5_0_gfx_stop(struct amdgpu_device * adev)594 static void sdma_v5_0_gfx_stop(struct amdgpu_device *adev)
595 {
596 u32 rb_cntl, ib_cntl;
597 int i;
598
599 for (i = 0; i < adev->sdma.num_instances; i++) {
600 rb_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL));
601 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 0);
602 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl);
603 ib_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL));
604 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0);
605 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl);
606 }
607 }
608
609 /**
610 * sdma_v5_0_rlc_stop - stop the compute async dma engines
611 *
612 * @adev: amdgpu_device pointer
613 *
614 * Stop the compute async dma queues (NAVI10).
615 */
sdma_v5_0_rlc_stop(struct amdgpu_device * adev)616 static void sdma_v5_0_rlc_stop(struct amdgpu_device *adev)
617 {
618 /* XXX todo */
619 }
620
621 /**
622 * sdma_v5_0_ctx_switch_enable - stop the async dma engines context switch
623 *
624 * @adev: amdgpu_device pointer
625 * @enable: enable/disable the DMA MEs context switch.
626 *
627 * Halt or unhalt the async dma engines context switch (NAVI10).
628 */
sdma_v5_0_ctx_switch_enable(struct amdgpu_device * adev,bool enable)629 static void sdma_v5_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable)
630 {
631 u32 f32_cntl = 0, phase_quantum = 0;
632 int i;
633
634 if (amdgpu_sdma_phase_quantum) {
635 unsigned value = amdgpu_sdma_phase_quantum;
636 unsigned unit = 0;
637
638 while (value > (SDMA0_PHASE0_QUANTUM__VALUE_MASK >>
639 SDMA0_PHASE0_QUANTUM__VALUE__SHIFT)) {
640 value = (value + 1) >> 1;
641 unit++;
642 }
643 if (unit > (SDMA0_PHASE0_QUANTUM__UNIT_MASK >>
644 SDMA0_PHASE0_QUANTUM__UNIT__SHIFT)) {
645 value = (SDMA0_PHASE0_QUANTUM__VALUE_MASK >>
646 SDMA0_PHASE0_QUANTUM__VALUE__SHIFT);
647 unit = (SDMA0_PHASE0_QUANTUM__UNIT_MASK >>
648 SDMA0_PHASE0_QUANTUM__UNIT__SHIFT);
649 WARN_ONCE(1,
650 "clamping sdma_phase_quantum to %uK clock cycles\n",
651 value << unit);
652 }
653 phase_quantum =
654 value << SDMA0_PHASE0_QUANTUM__VALUE__SHIFT |
655 unit << SDMA0_PHASE0_QUANTUM__UNIT__SHIFT;
656 }
657
658 for (i = 0; i < adev->sdma.num_instances; i++) {
659 if (!amdgpu_sriov_vf(adev)) {
660 f32_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL));
661 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL,
662 AUTO_CTXSW_ENABLE, enable ? 1 : 0);
663 }
664
665 if (enable && amdgpu_sdma_phase_quantum) {
666 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE0_QUANTUM),
667 phase_quantum);
668 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE1_QUANTUM),
669 phase_quantum);
670 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE2_QUANTUM),
671 phase_quantum);
672 }
673 if (!amdgpu_sriov_vf(adev))
674 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL), f32_cntl);
675 }
676
677 }
678
679 /**
680 * sdma_v5_0_enable - stop the async dma engines
681 *
682 * @adev: amdgpu_device pointer
683 * @enable: enable/disable the DMA MEs.
684 *
685 * Halt or unhalt the async dma engines (NAVI10).
686 */
sdma_v5_0_enable(struct amdgpu_device * adev,bool enable)687 static void sdma_v5_0_enable(struct amdgpu_device *adev, bool enable)
688 {
689 u32 f32_cntl;
690 int i;
691
692 if (!enable) {
693 sdma_v5_0_gfx_stop(adev);
694 sdma_v5_0_rlc_stop(adev);
695 }
696
697 if (amdgpu_sriov_vf(adev))
698 return;
699
700 for (i = 0; i < adev->sdma.num_instances; i++) {
701 f32_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL));
702 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, enable ? 0 : 1);
703 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL), f32_cntl);
704 }
705 }
706
707 /**
708 * sdma_v5_0_gfx_resume_instance - start/restart a certain sdma engine
709 *
710 * @adev: amdgpu_device pointer
711 * @i: instance
712 * @restore: used to restore wptr when restart
713 *
714 * Set up the gfx DMA ring buffers and enable them. On restart, we will restore wptr and rptr.
715 * Return 0 for success.
716 */
sdma_v5_0_gfx_resume_instance(struct amdgpu_device * adev,int i,bool restore)717 static int sdma_v5_0_gfx_resume_instance(struct amdgpu_device *adev, int i, bool restore)
718 {
719 struct amdgpu_ring *ring;
720 u32 rb_cntl, ib_cntl;
721 u32 rb_bufsz;
722 u32 doorbell;
723 u32 doorbell_offset;
724 u32 temp;
725 u32 wptr_poll_cntl;
726 u64 wptr_gpu_addr;
727
728 ring = &adev->sdma.instance[i].ring;
729
730 if (!amdgpu_sriov_vf(adev))
731 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL), 0);
732
733 /* Set ring buffer size in dwords */
734 rb_bufsz = order_base_2(ring->ring_size / 4);
735 rb_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL));
736 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SIZE, rb_bufsz);
737 #ifdef __BIG_ENDIAN
738 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SWAP_ENABLE, 1);
739 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL,
740 RPTR_WRITEBACK_SWAP_ENABLE, 1);
741 #endif
742 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl);
743
744 /* Initialize the ring buffer's read and write pointers */
745 if (restore) {
746 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR), lower_32_bits(ring->wptr << 2));
747 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_HI), upper_32_bits(ring->wptr << 2));
748 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR), lower_32_bits(ring->wptr << 2));
749 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_HI), upper_32_bits(ring->wptr << 2));
750 } else {
751 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR), 0);
752 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_HI), 0);
753 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR), 0);
754 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_HI), 0);
755 }
756 /* setup the wptr shadow polling */
757 wptr_gpu_addr = ring->wptr_gpu_addr;
758 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_LO),
759 lower_32_bits(wptr_gpu_addr));
760 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_HI),
761 upper_32_bits(wptr_gpu_addr));
762 wptr_poll_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i,
763 mmSDMA0_GFX_RB_WPTR_POLL_CNTL));
764 wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl,
765 SDMA0_GFX_RB_WPTR_POLL_CNTL,
766 F32_POLL_ENABLE, 1);
767 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_POLL_CNTL),
768 wptr_poll_cntl);
769
770 /* set the wb address whether it's enabled or not */
771 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_ADDR_HI),
772 upper_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFF);
773 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_RPTR_ADDR_LO),
774 lower_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFC);
775
776 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1);
777
778 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_BASE),
779 ring->gpu_addr >> 8);
780 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_BASE_HI),
781 ring->gpu_addr >> 40);
782
783 if (!restore)
784 ring->wptr = 0;
785
786 /* before programing wptr to a less value, need set minor_ptr_update first */
787 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_MINOR_PTR_UPDATE), 1);
788
789 if (!amdgpu_sriov_vf(adev)) { /* only bare-metal use register write for wptr */
790 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR),
791 lower_32_bits(ring->wptr << 2));
792 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_WPTR_HI),
793 upper_32_bits(ring->wptr << 2));
794 }
795
796 doorbell = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL));
797 doorbell_offset = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i,
798 mmSDMA0_GFX_DOORBELL_OFFSET));
799
800 if (ring->use_doorbell) {
801 doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 1);
802 doorbell_offset = REG_SET_FIELD(doorbell_offset, SDMA0_GFX_DOORBELL_OFFSET,
803 OFFSET, ring->doorbell_index);
804 } else {
805 doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 0);
806 }
807 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL), doorbell);
808 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_DOORBELL_OFFSET),
809 doorbell_offset);
810
811 adev->nbio.funcs->sdma_doorbell_range(adev, i, ring->use_doorbell,
812 ring->doorbell_index, 20);
813
814 if (amdgpu_sriov_vf(adev))
815 sdma_v5_0_ring_set_wptr(ring);
816
817 /* set minor_ptr_update to 0 after wptr programed */
818 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_MINOR_PTR_UPDATE), 0);
819
820 if (!amdgpu_sriov_vf(adev)) {
821 /* set utc l1 enable flag always to 1 */
822 temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL));
823 temp = REG_SET_FIELD(temp, SDMA0_CNTL, UTC_L1_ENABLE, 1);
824
825 /* enable MCBP */
826 temp = REG_SET_FIELD(temp, SDMA0_CNTL, MIDCMD_PREEMPT_ENABLE, 1);
827 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL), temp);
828
829 /* Set up RESP_MODE to non-copy addresses */
830 temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_CNTL));
831 temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, RESP_MODE, 3);
832 temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, REDO_DELAY, 9);
833 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_CNTL), temp);
834
835 /* program default cache read and write policy */
836 temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_PAGE));
837 /* clean read policy and write policy bits */
838 temp &= 0xFF0FFF;
839 temp |= ((CACHE_READ_POLICY_L2__DEFAULT << 12) | (CACHE_WRITE_POLICY_L2__DEFAULT << 14));
840 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_PAGE), temp);
841 }
842
843 if (!amdgpu_sriov_vf(adev)) {
844 /* unhalt engine */
845 temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL));
846 temp = REG_SET_FIELD(temp, SDMA0_F32_CNTL, HALT, 0);
847 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL), temp);
848 }
849
850 /* enable DMA RB */
851 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 1);
852 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl);
853
854 ib_cntl = RREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL));
855 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 1);
856 #ifdef __BIG_ENDIAN
857 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_SWAP_ENABLE, 1);
858 #endif
859 /* enable DMA IBs */
860 WREG32_SOC15_IP(GC, sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl);
861
862 if (amdgpu_sriov_vf(adev)) { /* bare-metal sequence doesn't need below to lines */
863 sdma_v5_0_ctx_switch_enable(adev, true);
864 sdma_v5_0_enable(adev, true);
865 }
866
867 return amdgpu_ring_test_helper(ring);
868 }
869
870 /**
871 * sdma_v5_0_gfx_resume - setup and start the async dma engines
872 *
873 * @adev: amdgpu_device pointer
874 *
875 * Set up the gfx DMA ring buffers and enable them (NAVI10).
876 * Returns 0 for success, error for failure.
877 */
sdma_v5_0_gfx_resume(struct amdgpu_device * adev)878 static int sdma_v5_0_gfx_resume(struct amdgpu_device *adev)
879 {
880 int i, r;
881
882 for (i = 0; i < adev->sdma.num_instances; i++) {
883 r = sdma_v5_0_gfx_resume_instance(adev, i, false);
884 if (r)
885 return r;
886 }
887
888 return 0;
889 }
890
891 /**
892 * sdma_v5_0_rlc_resume - setup and start the async dma engines
893 *
894 * @adev: amdgpu_device pointer
895 *
896 * Set up the compute DMA queues and enable them (NAVI10).
897 * Returns 0 for success, error for failure.
898 */
sdma_v5_0_rlc_resume(struct amdgpu_device * adev)899 static int sdma_v5_0_rlc_resume(struct amdgpu_device *adev)
900 {
901 return 0;
902 }
903
904 /**
905 * sdma_v5_0_load_microcode - load the sDMA ME ucode
906 *
907 * @adev: amdgpu_device pointer
908 *
909 * Loads the sDMA0/1 ucode.
910 * Returns 0 for success, -EINVAL if the ucode is not available.
911 */
sdma_v5_0_load_microcode(struct amdgpu_device * adev)912 static int sdma_v5_0_load_microcode(struct amdgpu_device *adev)
913 {
914 const struct sdma_firmware_header_v1_0 *hdr;
915 const __le32 *fw_data;
916 u32 fw_size;
917 int i, j;
918
919 /* halt the MEs */
920 sdma_v5_0_enable(adev, false);
921
922 for (i = 0; i < adev->sdma.num_instances; i++) {
923 if (!adev->sdma.instance[i].fw)
924 return -EINVAL;
925
926 hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data;
927 amdgpu_ucode_print_sdma_hdr(&hdr->header);
928 fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
929
930 fw_data = (const __le32 *)
931 (adev->sdma.instance[i].fw->data +
932 le32_to_cpu(hdr->header.ucode_array_offset_bytes));
933
934 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_ADDR), 0);
935
936 for (j = 0; j < fw_size; j++) {
937 if (amdgpu_emu_mode == 1 && j % 500 == 0)
938 msleep(1);
939 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_DATA), le32_to_cpup(fw_data++));
940 }
941
942 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UCODE_ADDR), adev->sdma.instance[i].fw_version);
943 }
944
945 return 0;
946 }
947
948 /**
949 * sdma_v5_0_start - setup and start the async dma engines
950 *
951 * @adev: amdgpu_device pointer
952 *
953 * Set up the DMA engines and enable them (NAVI10).
954 * Returns 0 for success, error for failure.
955 */
sdma_v5_0_start(struct amdgpu_device * adev)956 static int sdma_v5_0_start(struct amdgpu_device *adev)
957 {
958 int r = 0;
959
960 if (amdgpu_sriov_vf(adev)) {
961 sdma_v5_0_ctx_switch_enable(adev, false);
962 sdma_v5_0_enable(adev, false);
963
964 /* set RB registers */
965 r = sdma_v5_0_gfx_resume(adev);
966 return r;
967 }
968
969 if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
970 r = sdma_v5_0_load_microcode(adev);
971 if (r)
972 return r;
973 }
974
975 /* unhalt the MEs */
976 sdma_v5_0_enable(adev, true);
977 /* enable sdma ring preemption */
978 sdma_v5_0_ctx_switch_enable(adev, true);
979
980 /* start the gfx rings and rlc compute queues */
981 r = sdma_v5_0_gfx_resume(adev);
982 if (r)
983 return r;
984 r = sdma_v5_0_rlc_resume(adev);
985
986 return r;
987 }
988
sdma_v5_0_mqd_init(struct amdgpu_device * adev,void * mqd,struct amdgpu_mqd_prop * prop)989 static int sdma_v5_0_mqd_init(struct amdgpu_device *adev, void *mqd,
990 struct amdgpu_mqd_prop *prop)
991 {
992 struct v10_sdma_mqd *m = mqd;
993 uint64_t wb_gpu_addr;
994
995 m->sdmax_rlcx_rb_cntl =
996 order_base_2(prop->queue_size / 4) << SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT |
997 1 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT |
998 6 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT |
999 1 << SDMA0_RLC0_RB_CNTL__RB_PRIV__SHIFT;
1000
1001 m->sdmax_rlcx_rb_base = lower_32_bits(prop->hqd_base_gpu_addr >> 8);
1002 m->sdmax_rlcx_rb_base_hi = upper_32_bits(prop->hqd_base_gpu_addr >> 8);
1003
1004 m->sdmax_rlcx_rb_wptr_poll_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, 0,
1005 mmSDMA0_GFX_RB_WPTR_POLL_CNTL));
1006
1007 wb_gpu_addr = prop->wptr_gpu_addr;
1008 m->sdmax_rlcx_rb_wptr_poll_addr_lo = lower_32_bits(wb_gpu_addr);
1009 m->sdmax_rlcx_rb_wptr_poll_addr_hi = upper_32_bits(wb_gpu_addr);
1010
1011 wb_gpu_addr = prop->rptr_gpu_addr;
1012 m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits(wb_gpu_addr);
1013 m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits(wb_gpu_addr);
1014
1015 m->sdmax_rlcx_ib_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, 0,
1016 mmSDMA0_GFX_IB_CNTL));
1017
1018 m->sdmax_rlcx_doorbell_offset =
1019 prop->doorbell_index << SDMA0_RLC0_DOORBELL_OFFSET__OFFSET__SHIFT;
1020
1021 m->sdmax_rlcx_doorbell = REG_SET_FIELD(0, SDMA0_RLC0_DOORBELL, ENABLE, 1);
1022
1023 return 0;
1024 }
1025
sdma_v5_0_set_mqd_funcs(struct amdgpu_device * adev)1026 static void sdma_v5_0_set_mqd_funcs(struct amdgpu_device *adev)
1027 {
1028 adev->mqds[AMDGPU_HW_IP_DMA].mqd_size = sizeof(struct v10_sdma_mqd);
1029 adev->mqds[AMDGPU_HW_IP_DMA].init_mqd = sdma_v5_0_mqd_init;
1030 }
1031
1032 /**
1033 * sdma_v5_0_ring_test_ring - simple async dma engine test
1034 *
1035 * @ring: amdgpu_ring structure holding ring information
1036 *
1037 * Test the DMA engine by writing using it to write an
1038 * value to memory. (NAVI10).
1039 * Returns 0 for success, error for failure.
1040 */
sdma_v5_0_ring_test_ring(struct amdgpu_ring * ring)1041 static int sdma_v5_0_ring_test_ring(struct amdgpu_ring *ring)
1042 {
1043 struct amdgpu_device *adev = ring->adev;
1044 unsigned i;
1045 unsigned index;
1046 int r;
1047 u32 tmp;
1048 u64 gpu_addr;
1049 volatile uint32_t *cpu_ptr = NULL;
1050
1051 tmp = 0xCAFEDEAD;
1052
1053 if (ring->is_mes_queue) {
1054 uint32_t offset = 0;
1055 offset = amdgpu_mes_ctx_get_offs(ring,
1056 AMDGPU_MES_CTX_PADDING_OFFS);
1057 gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset);
1058 cpu_ptr = amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset);
1059 *cpu_ptr = tmp;
1060 } else {
1061 r = amdgpu_device_wb_get(adev, &index);
1062 if (r) {
1063 dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r);
1064 return r;
1065 }
1066
1067 gpu_addr = adev->wb.gpu_addr + (index * 4);
1068 adev->wb.wb[index] = cpu_to_le32(tmp);
1069 }
1070
1071 r = amdgpu_ring_alloc(ring, 20);
1072 if (r) {
1073 DRM_ERROR("amdgpu: dma failed to lock ring %d (%d).\n", ring->idx, r);
1074 if (!ring->is_mes_queue)
1075 amdgpu_device_wb_free(adev, index);
1076 return r;
1077 }
1078
1079 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1080 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR));
1081 amdgpu_ring_write(ring, lower_32_bits(gpu_addr));
1082 amdgpu_ring_write(ring, upper_32_bits(gpu_addr));
1083 amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0));
1084 amdgpu_ring_write(ring, 0xDEADBEEF);
1085 amdgpu_ring_commit(ring);
1086
1087 for (i = 0; i < adev->usec_timeout; i++) {
1088 if (ring->is_mes_queue)
1089 tmp = le32_to_cpu(*cpu_ptr);
1090 else
1091 tmp = le32_to_cpu(adev->wb.wb[index]);
1092 if (tmp == 0xDEADBEEF)
1093 break;
1094 if (amdgpu_emu_mode == 1)
1095 msleep(1);
1096 else
1097 udelay(1);
1098 }
1099
1100 if (i >= adev->usec_timeout)
1101 r = -ETIMEDOUT;
1102
1103 if (!ring->is_mes_queue)
1104 amdgpu_device_wb_free(adev, index);
1105
1106 return r;
1107 }
1108
1109 /**
1110 * sdma_v5_0_ring_test_ib - test an IB on the DMA engine
1111 *
1112 * @ring: amdgpu_ring structure holding ring information
1113 * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT
1114 *
1115 * Test a simple IB in the DMA ring (NAVI10).
1116 * Returns 0 on success, error on failure.
1117 */
sdma_v5_0_ring_test_ib(struct amdgpu_ring * ring,long timeout)1118 static int sdma_v5_0_ring_test_ib(struct amdgpu_ring *ring, long timeout)
1119 {
1120 struct amdgpu_device *adev = ring->adev;
1121 struct amdgpu_ib ib;
1122 struct dma_fence *f = NULL;
1123 unsigned index;
1124 long r;
1125 u32 tmp = 0;
1126 u64 gpu_addr;
1127 volatile uint32_t *cpu_ptr = NULL;
1128
1129 tmp = 0xCAFEDEAD;
1130 memset(&ib, 0, sizeof(ib));
1131
1132 if (ring->is_mes_queue) {
1133 uint32_t offset = 0;
1134 offset = amdgpu_mes_ctx_get_offs(ring, AMDGPU_MES_CTX_IB_OFFS);
1135 ib.gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset);
1136 ib.ptr = (void *)amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset);
1137
1138 offset = amdgpu_mes_ctx_get_offs(ring,
1139 AMDGPU_MES_CTX_PADDING_OFFS);
1140 gpu_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset);
1141 cpu_ptr = amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset);
1142 *cpu_ptr = tmp;
1143 } else {
1144 r = amdgpu_device_wb_get(adev, &index);
1145 if (r) {
1146 dev_err(adev->dev, "(%ld) failed to allocate wb slot\n", r);
1147 return r;
1148 }
1149
1150 gpu_addr = adev->wb.gpu_addr + (index * 4);
1151 adev->wb.wb[index] = cpu_to_le32(tmp);
1152
1153 r = amdgpu_ib_get(adev, NULL, 256,
1154 AMDGPU_IB_POOL_DIRECT, &ib);
1155 if (r) {
1156 DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r);
1157 goto err0;
1158 }
1159 }
1160
1161 ib.ptr[0] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1162 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR);
1163 ib.ptr[1] = lower_32_bits(gpu_addr);
1164 ib.ptr[2] = upper_32_bits(gpu_addr);
1165 ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0);
1166 ib.ptr[4] = 0xDEADBEEF;
1167 ib.ptr[5] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1168 ib.ptr[6] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1169 ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
1170 ib.length_dw = 8;
1171
1172 r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f);
1173 if (r)
1174 goto err1;
1175
1176 r = dma_fence_wait_timeout(f, false, timeout);
1177 if (r == 0) {
1178 DRM_ERROR("amdgpu: IB test timed out\n");
1179 r = -ETIMEDOUT;
1180 goto err1;
1181 } else if (r < 0) {
1182 DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r);
1183 goto err1;
1184 }
1185
1186 if (ring->is_mes_queue)
1187 tmp = le32_to_cpu(*cpu_ptr);
1188 else
1189 tmp = le32_to_cpu(adev->wb.wb[index]);
1190
1191 if (tmp == 0xDEADBEEF)
1192 r = 0;
1193 else
1194 r = -EINVAL;
1195
1196 err1:
1197 amdgpu_ib_free(adev, &ib, NULL);
1198 dma_fence_put(f);
1199 err0:
1200 if (!ring->is_mes_queue)
1201 amdgpu_device_wb_free(adev, index);
1202 return r;
1203 }
1204
1205
1206 /**
1207 * sdma_v5_0_vm_copy_pte - update PTEs by copying them from the GART
1208 *
1209 * @ib: indirect buffer to fill with commands
1210 * @pe: addr of the page entry
1211 * @src: src addr to copy from
1212 * @count: number of page entries to update
1213 *
1214 * Update PTEs by copying them from the GART using sDMA (NAVI10).
1215 */
sdma_v5_0_vm_copy_pte(struct amdgpu_ib * ib,uint64_t pe,uint64_t src,unsigned count)1216 static void sdma_v5_0_vm_copy_pte(struct amdgpu_ib *ib,
1217 uint64_t pe, uint64_t src,
1218 unsigned count)
1219 {
1220 unsigned bytes = count * 8;
1221
1222 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
1223 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR);
1224 ib->ptr[ib->length_dw++] = bytes - 1;
1225 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
1226 ib->ptr[ib->length_dw++] = lower_32_bits(src);
1227 ib->ptr[ib->length_dw++] = upper_32_bits(src);
1228 ib->ptr[ib->length_dw++] = lower_32_bits(pe);
1229 ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1230
1231 }
1232
1233 /**
1234 * sdma_v5_0_vm_write_pte - update PTEs by writing them manually
1235 *
1236 * @ib: indirect buffer to fill with commands
1237 * @pe: addr of the page entry
1238 * @value: dst addr to write into pe
1239 * @count: number of page entries to update
1240 * @incr: increase next addr by incr bytes
1241 *
1242 * Update PTEs by writing them manually using sDMA (NAVI10).
1243 */
sdma_v5_0_vm_write_pte(struct amdgpu_ib * ib,uint64_t pe,uint64_t value,unsigned count,uint32_t incr)1244 static void sdma_v5_0_vm_write_pte(struct amdgpu_ib *ib, uint64_t pe,
1245 uint64_t value, unsigned count,
1246 uint32_t incr)
1247 {
1248 unsigned ndw = count * 2;
1249
1250 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
1251 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR);
1252 ib->ptr[ib->length_dw++] = lower_32_bits(pe);
1253 ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1254 ib->ptr[ib->length_dw++] = ndw - 1;
1255 for (; ndw > 0; ndw -= 2) {
1256 ib->ptr[ib->length_dw++] = lower_32_bits(value);
1257 ib->ptr[ib->length_dw++] = upper_32_bits(value);
1258 value += incr;
1259 }
1260 }
1261
1262 /**
1263 * sdma_v5_0_vm_set_pte_pde - update the page tables using sDMA
1264 *
1265 * @ib: indirect buffer to fill with commands
1266 * @pe: addr of the page entry
1267 * @addr: dst addr to write into pe
1268 * @count: number of page entries to update
1269 * @incr: increase next addr by incr bytes
1270 * @flags: access flags
1271 *
1272 * Update the page tables using sDMA (NAVI10).
1273 */
sdma_v5_0_vm_set_pte_pde(struct amdgpu_ib * ib,uint64_t pe,uint64_t addr,unsigned count,uint32_t incr,uint64_t flags)1274 static void sdma_v5_0_vm_set_pte_pde(struct amdgpu_ib *ib,
1275 uint64_t pe,
1276 uint64_t addr, unsigned count,
1277 uint32_t incr, uint64_t flags)
1278 {
1279 /* for physically contiguous pages (vram) */
1280 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_PTEPDE);
1281 ib->ptr[ib->length_dw++] = lower_32_bits(pe); /* dst addr */
1282 ib->ptr[ib->length_dw++] = upper_32_bits(pe);
1283 ib->ptr[ib->length_dw++] = lower_32_bits(flags); /* mask */
1284 ib->ptr[ib->length_dw++] = upper_32_bits(flags);
1285 ib->ptr[ib->length_dw++] = lower_32_bits(addr); /* value */
1286 ib->ptr[ib->length_dw++] = upper_32_bits(addr);
1287 ib->ptr[ib->length_dw++] = incr; /* increment size */
1288 ib->ptr[ib->length_dw++] = 0;
1289 ib->ptr[ib->length_dw++] = count - 1; /* number of entries */
1290 }
1291
1292 /**
1293 * sdma_v5_0_ring_pad_ib - pad the IB
1294 * @ring: amdgpu_ring structure holding ring information
1295 * @ib: indirect buffer to fill with padding
1296 *
1297 * Pad the IB with NOPs to a boundary multiple of 8.
1298 */
sdma_v5_0_ring_pad_ib(struct amdgpu_ring * ring,struct amdgpu_ib * ib)1299 static void sdma_v5_0_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib)
1300 {
1301 struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring);
1302 u32 pad_count;
1303 int i;
1304
1305 pad_count = (-ib->length_dw) & 0x7;
1306 for (i = 0; i < pad_count; i++)
1307 if (sdma && sdma->burst_nop && (i == 0))
1308 ib->ptr[ib->length_dw++] =
1309 SDMA_PKT_HEADER_OP(SDMA_OP_NOP) |
1310 SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1);
1311 else
1312 ib->ptr[ib->length_dw++] =
1313 SDMA_PKT_HEADER_OP(SDMA_OP_NOP);
1314 }
1315
1316
1317 /**
1318 * sdma_v5_0_ring_emit_pipeline_sync - sync the pipeline
1319 *
1320 * @ring: amdgpu_ring pointer
1321 *
1322 * Make sure all previous operations are completed (CIK).
1323 */
sdma_v5_0_ring_emit_pipeline_sync(struct amdgpu_ring * ring)1324 static void sdma_v5_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
1325 {
1326 uint32_t seq = ring->fence_drv.sync_seq;
1327 uint64_t addr = ring->fence_drv.gpu_addr;
1328
1329 /* wait for idle */
1330 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
1331 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) |
1332 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3) | /* equal */
1333 SDMA_PKT_POLL_REGMEM_HEADER_MEM_POLL(1));
1334 amdgpu_ring_write(ring, addr & 0xfffffffc);
1335 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff);
1336 amdgpu_ring_write(ring, seq); /* reference */
1337 amdgpu_ring_write(ring, 0xffffffff); /* mask */
1338 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
1339 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(4)); /* retry count, poll interval */
1340 }
1341
1342
1343 /**
1344 * sdma_v5_0_ring_emit_vm_flush - vm flush using sDMA
1345 *
1346 * @ring: amdgpu_ring pointer
1347 * @vmid: vmid number to use
1348 * @pd_addr: address
1349 *
1350 * Update the page table base and flush the VM TLB
1351 * using sDMA (NAVI10).
1352 */
sdma_v5_0_ring_emit_vm_flush(struct amdgpu_ring * ring,unsigned vmid,uint64_t pd_addr)1353 static void sdma_v5_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
1354 unsigned vmid, uint64_t pd_addr)
1355 {
1356 amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
1357 }
1358
sdma_v5_0_ring_emit_wreg(struct amdgpu_ring * ring,uint32_t reg,uint32_t val)1359 static void sdma_v5_0_ring_emit_wreg(struct amdgpu_ring *ring,
1360 uint32_t reg, uint32_t val)
1361 {
1362 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) |
1363 SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf));
1364 amdgpu_ring_write(ring, reg);
1365 amdgpu_ring_write(ring, val);
1366 }
1367
sdma_v5_0_ring_emit_reg_wait(struct amdgpu_ring * ring,uint32_t reg,uint32_t val,uint32_t mask)1368 static void sdma_v5_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
1369 uint32_t val, uint32_t mask)
1370 {
1371 amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
1372 SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) |
1373 SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* equal */
1374 amdgpu_ring_write(ring, reg << 2);
1375 amdgpu_ring_write(ring, 0);
1376 amdgpu_ring_write(ring, val); /* reference */
1377 amdgpu_ring_write(ring, mask); /* mask */
1378 amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
1379 SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10));
1380 }
1381
sdma_v5_0_ring_emit_reg_write_reg_wait(struct amdgpu_ring * ring,uint32_t reg0,uint32_t reg1,uint32_t ref,uint32_t mask)1382 static void sdma_v5_0_ring_emit_reg_write_reg_wait(struct amdgpu_ring *ring,
1383 uint32_t reg0, uint32_t reg1,
1384 uint32_t ref, uint32_t mask)
1385 {
1386 amdgpu_ring_emit_wreg(ring, reg0, ref);
1387 /* wait for a cycle to reset vm_inv_eng*_ack */
1388 amdgpu_ring_emit_reg_wait(ring, reg0, 0, 0);
1389 amdgpu_ring_emit_reg_wait(ring, reg1, mask, mask);
1390 }
1391
sdma_v5_0_early_init(struct amdgpu_ip_block * ip_block)1392 static int sdma_v5_0_early_init(struct amdgpu_ip_block *ip_block)
1393 {
1394 struct amdgpu_device *adev = ip_block->adev;
1395 int r;
1396
1397 r = sdma_v5_0_init_microcode(adev);
1398 if (r)
1399 return r;
1400
1401 sdma_v5_0_set_ring_funcs(adev);
1402 sdma_v5_0_set_buffer_funcs(adev);
1403 sdma_v5_0_set_vm_pte_funcs(adev);
1404 sdma_v5_0_set_irq_funcs(adev);
1405 sdma_v5_0_set_mqd_funcs(adev);
1406
1407 return 0;
1408 }
1409
1410
sdma_v5_0_sw_init(struct amdgpu_ip_block * ip_block)1411 static int sdma_v5_0_sw_init(struct amdgpu_ip_block *ip_block)
1412 {
1413 struct amdgpu_ring *ring;
1414 int r, i;
1415 struct amdgpu_device *adev = ip_block->adev;
1416 uint32_t reg_count = ARRAY_SIZE(sdma_reg_list_5_0);
1417 uint32_t *ptr;
1418
1419 /* SDMA trap event */
1420 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA0,
1421 SDMA0_5_0__SRCID__SDMA_TRAP,
1422 &adev->sdma.trap_irq);
1423 if (r)
1424 return r;
1425
1426 /* SDMA trap event */
1427 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA1,
1428 SDMA1_5_0__SRCID__SDMA_TRAP,
1429 &adev->sdma.trap_irq);
1430 if (r)
1431 return r;
1432
1433 for (i = 0; i < adev->sdma.num_instances; i++) {
1434 ring = &adev->sdma.instance[i].ring;
1435 ring->ring_obj = NULL;
1436 ring->use_doorbell = true;
1437
1438 DRM_DEBUG("SDMA %d use_doorbell being set to: [%s]\n", i,
1439 ring->use_doorbell?"true":"false");
1440
1441 ring->doorbell_index = (i == 0) ?
1442 (adev->doorbell_index.sdma_engine[0] << 1) //get DWORD offset
1443 : (adev->doorbell_index.sdma_engine[1] << 1); // get DWORD offset
1444
1445 ring->vm_hub = AMDGPU_GFXHUB(0);
1446 sprintf(ring->name, "sdma%d", i);
1447 r = amdgpu_ring_init(adev, ring, 1024, &adev->sdma.trap_irq,
1448 (i == 0) ? AMDGPU_SDMA_IRQ_INSTANCE0 :
1449 AMDGPU_SDMA_IRQ_INSTANCE1,
1450 AMDGPU_RING_PRIO_DEFAULT, NULL);
1451 if (r)
1452 return r;
1453 }
1454
1455 adev->sdma.supported_reset =
1456 amdgpu_get_soft_full_reset_mask(&adev->sdma.instance[0].ring);
1457 switch (amdgpu_ip_version(adev, SDMA0_HWIP, 0)) {
1458 case IP_VERSION(5, 0, 0):
1459 case IP_VERSION(5, 0, 2):
1460 case IP_VERSION(5, 0, 5):
1461 if (adev->sdma.instance[0].fw_version >= 35)
1462 adev->sdma.supported_reset |= AMDGPU_RESET_TYPE_PER_QUEUE;
1463 break;
1464 default:
1465 break;
1466 }
1467
1468 /* Allocate memory for SDMA IP Dump buffer */
1469 ptr = kcalloc(adev->sdma.num_instances * reg_count, sizeof(uint32_t), GFP_KERNEL);
1470 if (ptr)
1471 adev->sdma.ip_dump = ptr;
1472 else
1473 DRM_ERROR("Failed to allocated memory for SDMA IP Dump\n");
1474
1475 r = amdgpu_sdma_sysfs_reset_mask_init(adev);
1476 if (r)
1477 return r;
1478
1479 return r;
1480 }
1481
sdma_v5_0_sw_fini(struct amdgpu_ip_block * ip_block)1482 static int sdma_v5_0_sw_fini(struct amdgpu_ip_block *ip_block)
1483 {
1484 struct amdgpu_device *adev = ip_block->adev;
1485 int i;
1486
1487 for (i = 0; i < adev->sdma.num_instances; i++)
1488 amdgpu_ring_fini(&adev->sdma.instance[i].ring);
1489
1490 amdgpu_sdma_sysfs_reset_mask_fini(adev);
1491 amdgpu_sdma_destroy_inst_ctx(adev, false);
1492
1493 kfree(adev->sdma.ip_dump);
1494
1495 return 0;
1496 }
1497
sdma_v5_0_hw_init(struct amdgpu_ip_block * ip_block)1498 static int sdma_v5_0_hw_init(struct amdgpu_ip_block *ip_block)
1499 {
1500 int r;
1501 struct amdgpu_device *adev = ip_block->adev;
1502
1503 sdma_v5_0_init_golden_registers(adev);
1504
1505 r = sdma_v5_0_start(adev);
1506
1507 return r;
1508 }
1509
sdma_v5_0_hw_fini(struct amdgpu_ip_block * ip_block)1510 static int sdma_v5_0_hw_fini(struct amdgpu_ip_block *ip_block)
1511 {
1512 struct amdgpu_device *adev = ip_block->adev;
1513
1514 if (amdgpu_sriov_vf(adev))
1515 return 0;
1516
1517 sdma_v5_0_ctx_switch_enable(adev, false);
1518 sdma_v5_0_enable(adev, false);
1519
1520 return 0;
1521 }
1522
sdma_v5_0_suspend(struct amdgpu_ip_block * ip_block)1523 static int sdma_v5_0_suspend(struct amdgpu_ip_block *ip_block)
1524 {
1525 return sdma_v5_0_hw_fini(ip_block);
1526 }
1527
sdma_v5_0_resume(struct amdgpu_ip_block * ip_block)1528 static int sdma_v5_0_resume(struct amdgpu_ip_block *ip_block)
1529 {
1530 return sdma_v5_0_hw_init(ip_block);
1531 }
1532
sdma_v5_0_is_idle(void * handle)1533 static bool sdma_v5_0_is_idle(void *handle)
1534 {
1535 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1536 u32 i;
1537
1538 for (i = 0; i < adev->sdma.num_instances; i++) {
1539 u32 tmp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_STATUS_REG));
1540
1541 if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK))
1542 return false;
1543 }
1544
1545 return true;
1546 }
1547
sdma_v5_0_wait_for_idle(struct amdgpu_ip_block * ip_block)1548 static int sdma_v5_0_wait_for_idle(struct amdgpu_ip_block *ip_block)
1549 {
1550 unsigned i;
1551 u32 sdma0, sdma1;
1552 struct amdgpu_device *adev = ip_block->adev;
1553
1554 for (i = 0; i < adev->usec_timeout; i++) {
1555 sdma0 = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_STATUS_REG));
1556 sdma1 = RREG32(sdma_v5_0_get_reg_offset(adev, 1, mmSDMA0_STATUS_REG));
1557
1558 if (sdma0 & sdma1 & SDMA0_STATUS_REG__IDLE_MASK)
1559 return 0;
1560 udelay(1);
1561 }
1562 return -ETIMEDOUT;
1563 }
1564
sdma_v5_0_soft_reset(struct amdgpu_ip_block * ip_block)1565 static int sdma_v5_0_soft_reset(struct amdgpu_ip_block *ip_block)
1566 {
1567 /* todo */
1568
1569 return 0;
1570 }
1571
sdma_v5_0_reset_queue(struct amdgpu_ring * ring,unsigned int vmid)1572 static int sdma_v5_0_reset_queue(struct amdgpu_ring *ring, unsigned int vmid)
1573 {
1574 struct amdgpu_device *adev = ring->adev;
1575 int i, j, r;
1576 u32 rb_cntl, ib_cntl, f32_cntl, freeze, cntl, preempt, soft_reset, stat1_reg;
1577
1578 if (amdgpu_sriov_vf(adev))
1579 return -EINVAL;
1580
1581 for (i = 0; i < adev->sdma.num_instances; i++) {
1582 if (ring == &adev->sdma.instance[i].ring)
1583 break;
1584 }
1585
1586 if (i == adev->sdma.num_instances) {
1587 DRM_ERROR("sdma instance not found\n");
1588 return -EINVAL;
1589 }
1590
1591 amdgpu_gfx_rlc_enter_safe_mode(adev, 0);
1592
1593 /* stop queue */
1594 ib_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL));
1595 ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0);
1596 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl);
1597
1598 rb_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL));
1599 rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 0);
1600 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_RB_CNTL), rb_cntl);
1601
1602 /* engine stop SDMA1_F32_CNTL.HALT to 1 and SDMAx_FREEZE freeze bit to 1 */
1603 freeze = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_FREEZE));
1604 freeze = REG_SET_FIELD(freeze, SDMA0_FREEZE, FREEZE, 1);
1605 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_FREEZE), freeze);
1606
1607 for (j = 0; j < adev->usec_timeout; j++) {
1608 freeze = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_FREEZE));
1609 if (REG_GET_FIELD(freeze, SDMA0_FREEZE, FROZEN) & 1)
1610 break;
1611 udelay(1);
1612 }
1613
1614 /* check sdma copy engine all idle if frozen not received*/
1615 if (j == adev->usec_timeout) {
1616 stat1_reg = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_STATUS1_REG));
1617 if ((stat1_reg & 0x3FF) != 0x3FF) {
1618 DRM_ERROR("cannot soft reset as sdma not idle\n");
1619 r = -ETIMEDOUT;
1620 goto err0;
1621 }
1622 }
1623
1624 f32_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL));
1625 f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, 1);
1626 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL), f32_cntl);
1627
1628 cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL));
1629 cntl = REG_SET_FIELD(cntl, SDMA0_CNTL, UTC_L1_ENABLE, 0);
1630 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL), cntl);
1631
1632 /* soft reset SDMA_GFX_PREEMPT.IB_PREEMPT = 0 mmGRBM_SOFT_RESET.SOFT_RESET_SDMA0/1 = 1 */
1633 preempt = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_PREEMPT));
1634 preempt = REG_SET_FIELD(preempt, SDMA0_GFX_PREEMPT, IB_PREEMPT, 0);
1635 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_PREEMPT), preempt);
1636
1637 soft_reset = RREG32_SOC15(GC, 0, mmGRBM_SOFT_RESET);
1638 soft_reset |= 1 << GRBM_SOFT_RESET__SOFT_RESET_SDMA0__SHIFT << i;
1639
1640 WREG32_SOC15(GC, 0, mmGRBM_SOFT_RESET, soft_reset);
1641
1642 udelay(50);
1643
1644 soft_reset &= ~(1 << GRBM_SOFT_RESET__SOFT_RESET_SDMA0__SHIFT << i);
1645 WREG32_SOC15(GC, 0, mmGRBM_SOFT_RESET, soft_reset);
1646
1647 /* unfreeze*/
1648 freeze = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_FREEZE));
1649 freeze = REG_SET_FIELD(freeze, SDMA0_FREEZE, FREEZE, 0);
1650 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_FREEZE), freeze);
1651
1652 r = sdma_v5_0_gfx_resume_instance(adev, i, true);
1653
1654 err0:
1655 amdgpu_gfx_rlc_exit_safe_mode(adev, 0);
1656 return r;
1657 }
1658
sdma_v5_0_ring_preempt_ib(struct amdgpu_ring * ring)1659 static int sdma_v5_0_ring_preempt_ib(struct amdgpu_ring *ring)
1660 {
1661 int i, r = 0;
1662 struct amdgpu_device *adev = ring->adev;
1663 u32 index = 0;
1664 u64 sdma_gfx_preempt;
1665
1666 amdgpu_sdma_get_index_from_ring(ring, &index);
1667 if (index == 0)
1668 sdma_gfx_preempt = mmSDMA0_GFX_PREEMPT;
1669 else
1670 sdma_gfx_preempt = mmSDMA1_GFX_PREEMPT;
1671
1672 /* assert preemption condition */
1673 amdgpu_ring_set_preempt_cond_exec(ring, false);
1674
1675 /* emit the trailing fence */
1676 ring->trail_seq += 1;
1677 amdgpu_ring_alloc(ring, 10);
1678 sdma_v5_0_ring_emit_fence(ring, ring->trail_fence_gpu_addr,
1679 ring->trail_seq, 0);
1680 amdgpu_ring_commit(ring);
1681
1682 /* assert IB preemption */
1683 WREG32(sdma_gfx_preempt, 1);
1684
1685 /* poll the trailing fence */
1686 for (i = 0; i < adev->usec_timeout; i++) {
1687 if (ring->trail_seq ==
1688 le32_to_cpu(*(ring->trail_fence_cpu_addr)))
1689 break;
1690 udelay(1);
1691 }
1692
1693 if (i >= adev->usec_timeout) {
1694 r = -EINVAL;
1695 DRM_ERROR("ring %d failed to be preempted\n", ring->idx);
1696 }
1697
1698 /* deassert IB preemption */
1699 WREG32(sdma_gfx_preempt, 0);
1700
1701 /* deassert the preemption condition */
1702 amdgpu_ring_set_preempt_cond_exec(ring, true);
1703 return r;
1704 }
1705
sdma_v5_0_set_trap_irq_state(struct amdgpu_device * adev,struct amdgpu_irq_src * source,unsigned type,enum amdgpu_interrupt_state state)1706 static int sdma_v5_0_set_trap_irq_state(struct amdgpu_device *adev,
1707 struct amdgpu_irq_src *source,
1708 unsigned type,
1709 enum amdgpu_interrupt_state state)
1710 {
1711 u32 sdma_cntl;
1712
1713 if (!amdgpu_sriov_vf(adev)) {
1714 u32 reg_offset = (type == AMDGPU_SDMA_IRQ_INSTANCE0) ?
1715 sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_CNTL) :
1716 sdma_v5_0_get_reg_offset(adev, 1, mmSDMA0_CNTL);
1717
1718 sdma_cntl = RREG32(reg_offset);
1719 sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE,
1720 state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0);
1721 WREG32(reg_offset, sdma_cntl);
1722 }
1723
1724 return 0;
1725 }
1726
sdma_v5_0_process_trap_irq(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)1727 static int sdma_v5_0_process_trap_irq(struct amdgpu_device *adev,
1728 struct amdgpu_irq_src *source,
1729 struct amdgpu_iv_entry *entry)
1730 {
1731 uint32_t mes_queue_id = entry->src_data[0];
1732
1733 DRM_DEBUG("IH: SDMA trap\n");
1734
1735 if (adev->enable_mes && (mes_queue_id & AMDGPU_FENCE_MES_QUEUE_FLAG)) {
1736 struct amdgpu_mes_queue *queue;
1737
1738 mes_queue_id &= AMDGPU_FENCE_MES_QUEUE_ID_MASK;
1739
1740 spin_lock(&adev->mes.queue_id_lock);
1741 queue = idr_find(&adev->mes.queue_id_idr, mes_queue_id);
1742 if (queue) {
1743 DRM_DEBUG("process smda queue id = %d\n", mes_queue_id);
1744 amdgpu_fence_process(queue->ring);
1745 }
1746 spin_unlock(&adev->mes.queue_id_lock);
1747 return 0;
1748 }
1749
1750 switch (entry->client_id) {
1751 case SOC15_IH_CLIENTID_SDMA0:
1752 switch (entry->ring_id) {
1753 case 0:
1754 amdgpu_fence_process(&adev->sdma.instance[0].ring);
1755 break;
1756 case 1:
1757 /* XXX compute */
1758 break;
1759 case 2:
1760 /* XXX compute */
1761 break;
1762 case 3:
1763 /* XXX page queue*/
1764 break;
1765 }
1766 break;
1767 case SOC15_IH_CLIENTID_SDMA1:
1768 switch (entry->ring_id) {
1769 case 0:
1770 amdgpu_fence_process(&adev->sdma.instance[1].ring);
1771 break;
1772 case 1:
1773 /* XXX compute */
1774 break;
1775 case 2:
1776 /* XXX compute */
1777 break;
1778 case 3:
1779 /* XXX page queue*/
1780 break;
1781 }
1782 break;
1783 }
1784 return 0;
1785 }
1786
sdma_v5_0_process_illegal_inst_irq(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)1787 static int sdma_v5_0_process_illegal_inst_irq(struct amdgpu_device *adev,
1788 struct amdgpu_irq_src *source,
1789 struct amdgpu_iv_entry *entry)
1790 {
1791 return 0;
1792 }
1793
sdma_v5_0_update_medium_grain_clock_gating(struct amdgpu_device * adev,bool enable)1794 static void sdma_v5_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
1795 bool enable)
1796 {
1797 uint32_t data, def;
1798 int i;
1799
1800 for (i = 0; i < adev->sdma.num_instances; i++) {
1801 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG)) {
1802 /* Enable sdma clock gating */
1803 def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL));
1804 data &= ~(SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK |
1805 SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK |
1806 SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK |
1807 SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK |
1808 SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK |
1809 SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK |
1810 SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK |
1811 SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK);
1812 if (def != data)
1813 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL), data);
1814 } else {
1815 /* Disable sdma clock gating */
1816 def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL));
1817 data |= (SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK |
1818 SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK |
1819 SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK |
1820 SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK |
1821 SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK |
1822 SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK |
1823 SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK |
1824 SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK);
1825 if (def != data)
1826 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CLK_CTRL), data);
1827 }
1828 }
1829 }
1830
sdma_v5_0_update_medium_grain_light_sleep(struct amdgpu_device * adev,bool enable)1831 static void sdma_v5_0_update_medium_grain_light_sleep(struct amdgpu_device *adev,
1832 bool enable)
1833 {
1834 uint32_t data, def;
1835 int i;
1836
1837 for (i = 0; i < adev->sdma.num_instances; i++) {
1838 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS)) {
1839 /* Enable sdma mem light sleep */
1840 def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL));
1841 data |= SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
1842 if (def != data)
1843 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL), data);
1844
1845 } else {
1846 /* Disable sdma mem light sleep */
1847 def = data = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL));
1848 data &= ~SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
1849 if (def != data)
1850 WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_POWER_CNTL), data);
1851
1852 }
1853 }
1854 }
1855
sdma_v5_0_set_clockgating_state(void * handle,enum amd_clockgating_state state)1856 static int sdma_v5_0_set_clockgating_state(void *handle,
1857 enum amd_clockgating_state state)
1858 {
1859 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1860
1861 if (amdgpu_sriov_vf(adev))
1862 return 0;
1863
1864 switch (amdgpu_ip_version(adev, SDMA0_HWIP, 0)) {
1865 case IP_VERSION(5, 0, 0):
1866 case IP_VERSION(5, 0, 2):
1867 case IP_VERSION(5, 0, 5):
1868 sdma_v5_0_update_medium_grain_clock_gating(adev,
1869 state == AMD_CG_STATE_GATE);
1870 sdma_v5_0_update_medium_grain_light_sleep(adev,
1871 state == AMD_CG_STATE_GATE);
1872 break;
1873 default:
1874 break;
1875 }
1876
1877 return 0;
1878 }
1879
sdma_v5_0_set_powergating_state(void * handle,enum amd_powergating_state state)1880 static int sdma_v5_0_set_powergating_state(void *handle,
1881 enum amd_powergating_state state)
1882 {
1883 return 0;
1884 }
1885
sdma_v5_0_get_clockgating_state(void * handle,u64 * flags)1886 static void sdma_v5_0_get_clockgating_state(void *handle, u64 *flags)
1887 {
1888 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1889 int data;
1890
1891 if (amdgpu_sriov_vf(adev))
1892 *flags = 0;
1893
1894 /* AMD_CG_SUPPORT_SDMA_MGCG */
1895 data = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_CLK_CTRL));
1896 if (!(data & SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK))
1897 *flags |= AMD_CG_SUPPORT_SDMA_MGCG;
1898
1899 /* AMD_CG_SUPPORT_SDMA_LS */
1900 data = RREG32(sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_POWER_CNTL));
1901 if (data & SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK)
1902 *flags |= AMD_CG_SUPPORT_SDMA_LS;
1903 }
1904
sdma_v5_0_print_ip_state(struct amdgpu_ip_block * ip_block,struct drm_printer * p)1905 static void sdma_v5_0_print_ip_state(struct amdgpu_ip_block *ip_block, struct drm_printer *p)
1906 {
1907 struct amdgpu_device *adev = ip_block->adev;
1908 int i, j;
1909 uint32_t reg_count = ARRAY_SIZE(sdma_reg_list_5_0);
1910 uint32_t instance_offset;
1911
1912 if (!adev->sdma.ip_dump)
1913 return;
1914
1915 drm_printf(p, "num_instances:%d\n", adev->sdma.num_instances);
1916 for (i = 0; i < adev->sdma.num_instances; i++) {
1917 instance_offset = i * reg_count;
1918 drm_printf(p, "\nInstance:%d\n", i);
1919
1920 for (j = 0; j < reg_count; j++)
1921 drm_printf(p, "%-50s \t 0x%08x\n", sdma_reg_list_5_0[j].reg_name,
1922 adev->sdma.ip_dump[instance_offset + j]);
1923 }
1924 }
1925
sdma_v5_0_dump_ip_state(struct amdgpu_ip_block * ip_block)1926 static void sdma_v5_0_dump_ip_state(struct amdgpu_ip_block *ip_block)
1927 {
1928 struct amdgpu_device *adev = ip_block->adev;
1929 int i, j;
1930 uint32_t instance_offset;
1931 uint32_t reg_count = ARRAY_SIZE(sdma_reg_list_5_0);
1932
1933 if (!adev->sdma.ip_dump)
1934 return;
1935
1936 amdgpu_gfx_off_ctrl(adev, false);
1937 for (i = 0; i < adev->sdma.num_instances; i++) {
1938 instance_offset = i * reg_count;
1939 for (j = 0; j < reg_count; j++)
1940 adev->sdma.ip_dump[instance_offset + j] =
1941 RREG32(sdma_v5_0_get_reg_offset(adev, i,
1942 sdma_reg_list_5_0[j].reg_offset));
1943 }
1944 amdgpu_gfx_off_ctrl(adev, true);
1945 }
1946
1947 static const struct amd_ip_funcs sdma_v5_0_ip_funcs = {
1948 .name = "sdma_v5_0",
1949 .early_init = sdma_v5_0_early_init,
1950 .sw_init = sdma_v5_0_sw_init,
1951 .sw_fini = sdma_v5_0_sw_fini,
1952 .hw_init = sdma_v5_0_hw_init,
1953 .hw_fini = sdma_v5_0_hw_fini,
1954 .suspend = sdma_v5_0_suspend,
1955 .resume = sdma_v5_0_resume,
1956 .is_idle = sdma_v5_0_is_idle,
1957 .wait_for_idle = sdma_v5_0_wait_for_idle,
1958 .soft_reset = sdma_v5_0_soft_reset,
1959 .set_clockgating_state = sdma_v5_0_set_clockgating_state,
1960 .set_powergating_state = sdma_v5_0_set_powergating_state,
1961 .get_clockgating_state = sdma_v5_0_get_clockgating_state,
1962 .dump_ip_state = sdma_v5_0_dump_ip_state,
1963 .print_ip_state = sdma_v5_0_print_ip_state,
1964 };
1965
1966 static const struct amdgpu_ring_funcs sdma_v5_0_ring_funcs = {
1967 .type = AMDGPU_RING_TYPE_SDMA,
1968 .align_mask = 0xf,
1969 .nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP),
1970 .support_64bit_ptrs = true,
1971 .secure_submission_supported = true,
1972 .get_rptr = sdma_v5_0_ring_get_rptr,
1973 .get_wptr = sdma_v5_0_ring_get_wptr,
1974 .set_wptr = sdma_v5_0_ring_set_wptr,
1975 .emit_frame_size =
1976 5 + /* sdma_v5_0_ring_init_cond_exec */
1977 6 + /* sdma_v5_0_ring_emit_hdp_flush */
1978 3 + /* hdp_invalidate */
1979 6 + /* sdma_v5_0_ring_emit_pipeline_sync */
1980 /* sdma_v5_0_ring_emit_vm_flush */
1981 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
1982 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 * 2 +
1983 10 + 10 + 10, /* sdma_v5_0_ring_emit_fence x3 for user fence, vm fence */
1984 .emit_ib_size = 5 + 7 + 6, /* sdma_v5_0_ring_emit_ib */
1985 .emit_ib = sdma_v5_0_ring_emit_ib,
1986 .emit_mem_sync = sdma_v5_0_ring_emit_mem_sync,
1987 .emit_fence = sdma_v5_0_ring_emit_fence,
1988 .emit_pipeline_sync = sdma_v5_0_ring_emit_pipeline_sync,
1989 .emit_vm_flush = sdma_v5_0_ring_emit_vm_flush,
1990 .emit_hdp_flush = sdma_v5_0_ring_emit_hdp_flush,
1991 .test_ring = sdma_v5_0_ring_test_ring,
1992 .test_ib = sdma_v5_0_ring_test_ib,
1993 .insert_nop = sdma_v5_0_ring_insert_nop,
1994 .pad_ib = sdma_v5_0_ring_pad_ib,
1995 .emit_wreg = sdma_v5_0_ring_emit_wreg,
1996 .emit_reg_wait = sdma_v5_0_ring_emit_reg_wait,
1997 .emit_reg_write_reg_wait = sdma_v5_0_ring_emit_reg_write_reg_wait,
1998 .init_cond_exec = sdma_v5_0_ring_init_cond_exec,
1999 .preempt_ib = sdma_v5_0_ring_preempt_ib,
2000 .reset = sdma_v5_0_reset_queue,
2001 };
2002
sdma_v5_0_set_ring_funcs(struct amdgpu_device * adev)2003 static void sdma_v5_0_set_ring_funcs(struct amdgpu_device *adev)
2004 {
2005 int i;
2006
2007 for (i = 0; i < adev->sdma.num_instances; i++) {
2008 adev->sdma.instance[i].ring.funcs = &sdma_v5_0_ring_funcs;
2009 adev->sdma.instance[i].ring.me = i;
2010 }
2011 }
2012
2013 static const struct amdgpu_irq_src_funcs sdma_v5_0_trap_irq_funcs = {
2014 .set = sdma_v5_0_set_trap_irq_state,
2015 .process = sdma_v5_0_process_trap_irq,
2016 };
2017
2018 static const struct amdgpu_irq_src_funcs sdma_v5_0_illegal_inst_irq_funcs = {
2019 .process = sdma_v5_0_process_illegal_inst_irq,
2020 };
2021
sdma_v5_0_set_irq_funcs(struct amdgpu_device * adev)2022 static void sdma_v5_0_set_irq_funcs(struct amdgpu_device *adev)
2023 {
2024 adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_INSTANCE0 +
2025 adev->sdma.num_instances;
2026 adev->sdma.trap_irq.funcs = &sdma_v5_0_trap_irq_funcs;
2027 adev->sdma.illegal_inst_irq.funcs = &sdma_v5_0_illegal_inst_irq_funcs;
2028 }
2029
2030 /**
2031 * sdma_v5_0_emit_copy_buffer - copy buffer using the sDMA engine
2032 *
2033 * @ib: indirect buffer to copy to
2034 * @src_offset: src GPU address
2035 * @dst_offset: dst GPU address
2036 * @byte_count: number of bytes to xfer
2037 * @copy_flags: copy flags for the buffers
2038 *
2039 * Copy GPU buffers using the DMA engine (NAVI10).
2040 * Used by the amdgpu ttm implementation to move pages if
2041 * registered as the asic copy callback.
2042 */
sdma_v5_0_emit_copy_buffer(struct amdgpu_ib * ib,uint64_t src_offset,uint64_t dst_offset,uint32_t byte_count,uint32_t copy_flags)2043 static void sdma_v5_0_emit_copy_buffer(struct amdgpu_ib *ib,
2044 uint64_t src_offset,
2045 uint64_t dst_offset,
2046 uint32_t byte_count,
2047 uint32_t copy_flags)
2048 {
2049 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
2050 SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR) |
2051 SDMA_PKT_COPY_LINEAR_HEADER_TMZ((copy_flags & AMDGPU_COPY_FLAGS_TMZ) ? 1 : 0);
2052 ib->ptr[ib->length_dw++] = byte_count - 1;
2053 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
2054 ib->ptr[ib->length_dw++] = lower_32_bits(src_offset);
2055 ib->ptr[ib->length_dw++] = upper_32_bits(src_offset);
2056 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset);
2057 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset);
2058 }
2059
2060 /**
2061 * sdma_v5_0_emit_fill_buffer - fill buffer using the sDMA engine
2062 *
2063 * @ib: indirect buffer to fill
2064 * @src_data: value to write to buffer
2065 * @dst_offset: dst GPU address
2066 * @byte_count: number of bytes to xfer
2067 *
2068 * Fill GPU buffers using the DMA engine (NAVI10).
2069 */
sdma_v5_0_emit_fill_buffer(struct amdgpu_ib * ib,uint32_t src_data,uint64_t dst_offset,uint32_t byte_count)2070 static void sdma_v5_0_emit_fill_buffer(struct amdgpu_ib *ib,
2071 uint32_t src_data,
2072 uint64_t dst_offset,
2073 uint32_t byte_count)
2074 {
2075 ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_CONST_FILL);
2076 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset);
2077 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset);
2078 ib->ptr[ib->length_dw++] = src_data;
2079 ib->ptr[ib->length_dw++] = byte_count - 1;
2080 }
2081
2082 static const struct amdgpu_buffer_funcs sdma_v5_0_buffer_funcs = {
2083 .copy_max_bytes = 0x400000,
2084 .copy_num_dw = 7,
2085 .emit_copy_buffer = sdma_v5_0_emit_copy_buffer,
2086
2087 .fill_max_bytes = 0x400000,
2088 .fill_num_dw = 5,
2089 .emit_fill_buffer = sdma_v5_0_emit_fill_buffer,
2090 };
2091
sdma_v5_0_set_buffer_funcs(struct amdgpu_device * adev)2092 static void sdma_v5_0_set_buffer_funcs(struct amdgpu_device *adev)
2093 {
2094 if (adev->mman.buffer_funcs == NULL) {
2095 adev->mman.buffer_funcs = &sdma_v5_0_buffer_funcs;
2096 adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring;
2097 }
2098 }
2099
2100 static const struct amdgpu_vm_pte_funcs sdma_v5_0_vm_pte_funcs = {
2101 .copy_pte_num_dw = 7,
2102 .copy_pte = sdma_v5_0_vm_copy_pte,
2103 .write_pte = sdma_v5_0_vm_write_pte,
2104 .set_pte_pde = sdma_v5_0_vm_set_pte_pde,
2105 };
2106
sdma_v5_0_set_vm_pte_funcs(struct amdgpu_device * adev)2107 static void sdma_v5_0_set_vm_pte_funcs(struct amdgpu_device *adev)
2108 {
2109 unsigned i;
2110
2111 if (adev->vm_manager.vm_pte_funcs == NULL) {
2112 adev->vm_manager.vm_pte_funcs = &sdma_v5_0_vm_pte_funcs;
2113 for (i = 0; i < adev->sdma.num_instances; i++) {
2114 adev->vm_manager.vm_pte_scheds[i] =
2115 &adev->sdma.instance[i].ring.sched;
2116 }
2117 adev->vm_manager.vm_pte_num_scheds = adev->sdma.num_instances;
2118 }
2119 }
2120
2121 const struct amdgpu_ip_block_version sdma_v5_0_ip_block = {
2122 .type = AMD_IP_BLOCK_TYPE_SDMA,
2123 .major = 5,
2124 .minor = 0,
2125 .rev = 0,
2126 .funcs = &sdma_v5_0_ip_funcs,
2127 };
2128