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aaa36a97 AD |
1 | /* |
2 | * Copyright 2014 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 | * Authors: Alex Deucher | |
23 | */ | |
24 | #include <linux/firmware.h> | |
25 | #include <drm/drmP.h> | |
26 | #include "amdgpu.h" | |
27 | #include "amdgpu_ucode.h" | |
28 | #include "amdgpu_trace.h" | |
29 | #include "vi.h" | |
30 | #include "vid.h" | |
31 | ||
32 | #include "oss/oss_3_0_d.h" | |
33 | #include "oss/oss_3_0_sh_mask.h" | |
34 | ||
35 | #include "gmc/gmc_8_1_d.h" | |
36 | #include "gmc/gmc_8_1_sh_mask.h" | |
37 | ||
38 | #include "gca/gfx_8_0_d.h" | |
74a5d165 | 39 | #include "gca/gfx_8_0_enum.h" |
aaa36a97 AD |
40 | #include "gca/gfx_8_0_sh_mask.h" |
41 | ||
42 | #include "bif/bif_5_0_d.h" | |
43 | #include "bif/bif_5_0_sh_mask.h" | |
44 | ||
45 | #include "tonga_sdma_pkt_open.h" | |
46 | ||
47 | static void sdma_v3_0_set_ring_funcs(struct amdgpu_device *adev); | |
48 | static void sdma_v3_0_set_buffer_funcs(struct amdgpu_device *adev); | |
49 | static void sdma_v3_0_set_vm_pte_funcs(struct amdgpu_device *adev); | |
50 | static void sdma_v3_0_set_irq_funcs(struct amdgpu_device *adev); | |
51 | ||
c65444fe JZ |
52 | MODULE_FIRMWARE("amdgpu/tonga_sdma.bin"); |
53 | MODULE_FIRMWARE("amdgpu/tonga_sdma1.bin"); | |
54 | MODULE_FIRMWARE("amdgpu/carrizo_sdma.bin"); | |
55 | MODULE_FIRMWARE("amdgpu/carrizo_sdma1.bin"); | |
1a5bbb66 DZ |
56 | MODULE_FIRMWARE("amdgpu/fiji_sdma.bin"); |
57 | MODULE_FIRMWARE("amdgpu/fiji_sdma1.bin"); | |
bb16e3b6 | 58 | MODULE_FIRMWARE("amdgpu/stoney_sdma.bin"); |
2cc0c0b5 FC |
59 | MODULE_FIRMWARE("amdgpu/polaris10_sdma.bin"); |
60 | MODULE_FIRMWARE("amdgpu/polaris10_sdma1.bin"); | |
61 | MODULE_FIRMWARE("amdgpu/polaris11_sdma.bin"); | |
62 | MODULE_FIRMWARE("amdgpu/polaris11_sdma1.bin"); | |
2cea03de | 63 | |
aaa36a97 AD |
64 | |
65 | static const u32 sdma_offsets[SDMA_MAX_INSTANCE] = | |
66 | { | |
67 | SDMA0_REGISTER_OFFSET, | |
68 | SDMA1_REGISTER_OFFSET | |
69 | }; | |
70 | ||
71 | static const u32 golden_settings_tonga_a11[] = | |
72 | { | |
73 | mmSDMA0_CHICKEN_BITS, 0xfc910007, 0x00810007, | |
74 | mmSDMA0_CLK_CTRL, 0xff000fff, 0x00000000, | |
75 | mmSDMA0_GFX_IB_CNTL, 0x800f0111, 0x00000100, | |
76 | mmSDMA0_RLC0_IB_CNTL, 0x800f0111, 0x00000100, | |
77 | mmSDMA0_RLC1_IB_CNTL, 0x800f0111, 0x00000100, | |
78 | mmSDMA1_CHICKEN_BITS, 0xfc910007, 0x00810007, | |
79 | mmSDMA1_CLK_CTRL, 0xff000fff, 0x00000000, | |
80 | mmSDMA1_GFX_IB_CNTL, 0x800f0111, 0x00000100, | |
81 | mmSDMA1_RLC0_IB_CNTL, 0x800f0111, 0x00000100, | |
82 | mmSDMA1_RLC1_IB_CNTL, 0x800f0111, 0x00000100, | |
83 | }; | |
84 | ||
85 | static const u32 tonga_mgcg_cgcg_init[] = | |
86 | { | |
87 | mmSDMA0_CLK_CTRL, 0xff000ff0, 0x00000100, | |
88 | mmSDMA1_CLK_CTRL, 0xff000ff0, 0x00000100 | |
89 | }; | |
90 | ||
1a5bbb66 DZ |
91 | static const u32 golden_settings_fiji_a10[] = |
92 | { | |
93 | mmSDMA0_CHICKEN_BITS, 0xfc910007, 0x00810007, | |
94 | mmSDMA0_GFX_IB_CNTL, 0x800f0111, 0x00000100, | |
95 | mmSDMA0_RLC0_IB_CNTL, 0x800f0111, 0x00000100, | |
96 | mmSDMA0_RLC1_IB_CNTL, 0x800f0111, 0x00000100, | |
97 | mmSDMA1_CHICKEN_BITS, 0xfc910007, 0x00810007, | |
98 | mmSDMA1_GFX_IB_CNTL, 0x800f0111, 0x00000100, | |
99 | mmSDMA1_RLC0_IB_CNTL, 0x800f0111, 0x00000100, | |
100 | mmSDMA1_RLC1_IB_CNTL, 0x800f0111, 0x00000100, | |
101 | }; | |
102 | ||
103 | static const u32 fiji_mgcg_cgcg_init[] = | |
104 | { | |
105 | mmSDMA0_CLK_CTRL, 0xff000ff0, 0x00000100, | |
106 | mmSDMA1_CLK_CTRL, 0xff000ff0, 0x00000100 | |
107 | }; | |
108 | ||
2cc0c0b5 | 109 | static const u32 golden_settings_polaris11_a11[] = |
2cea03de FC |
110 | { |
111 | mmSDMA0_CHICKEN_BITS, 0xfc910007, 0x00810007, | |
b9934878 | 112 | mmSDMA0_CLK_CTRL, 0xff000fff, 0x00000000, |
2cea03de FC |
113 | mmSDMA0_GFX_IB_CNTL, 0x800f0111, 0x00000100, |
114 | mmSDMA0_RLC0_IB_CNTL, 0x800f0111, 0x00000100, | |
115 | mmSDMA0_RLC1_IB_CNTL, 0x800f0111, 0x00000100, | |
116 | mmSDMA1_CHICKEN_BITS, 0xfc910007, 0x00810007, | |
b9934878 | 117 | mmSDMA1_CLK_CTRL, 0xff000fff, 0x00000000, |
2cea03de FC |
118 | mmSDMA1_GFX_IB_CNTL, 0x800f0111, 0x00000100, |
119 | mmSDMA1_RLC0_IB_CNTL, 0x800f0111, 0x00000100, | |
120 | mmSDMA1_RLC1_IB_CNTL, 0x800f0111, 0x00000100, | |
121 | }; | |
122 | ||
2cc0c0b5 | 123 | static const u32 golden_settings_polaris10_a11[] = |
2cea03de FC |
124 | { |
125 | mmSDMA0_CHICKEN_BITS, 0xfc910007, 0x00810007, | |
126 | mmSDMA0_CLK_CTRL, 0xff000fff, 0x00000000, | |
127 | mmSDMA0_GFX_IB_CNTL, 0x800f0111, 0x00000100, | |
128 | mmSDMA0_RLC0_IB_CNTL, 0x800f0111, 0x00000100, | |
129 | mmSDMA0_RLC1_IB_CNTL, 0x800f0111, 0x00000100, | |
130 | mmSDMA1_CHICKEN_BITS, 0xfc910007, 0x00810007, | |
131 | mmSDMA1_CLK_CTRL, 0xff000fff, 0x00000000, | |
132 | mmSDMA1_GFX_IB_CNTL, 0x800f0111, 0x00000100, | |
133 | mmSDMA1_RLC0_IB_CNTL, 0x800f0111, 0x00000100, | |
134 | mmSDMA1_RLC1_IB_CNTL, 0x800f0111, 0x00000100, | |
135 | }; | |
136 | ||
aaa36a97 AD |
137 | static const u32 cz_golden_settings_a11[] = |
138 | { | |
139 | mmSDMA0_CHICKEN_BITS, 0xfc910007, 0x00810007, | |
140 | mmSDMA0_CLK_CTRL, 0xff000fff, 0x00000000, | |
141 | mmSDMA0_GFX_IB_CNTL, 0x00000100, 0x00000100, | |
142 | mmSDMA0_POWER_CNTL, 0x00000800, 0x0003c800, | |
143 | mmSDMA0_RLC0_IB_CNTL, 0x00000100, 0x00000100, | |
144 | mmSDMA0_RLC1_IB_CNTL, 0x00000100, 0x00000100, | |
145 | mmSDMA1_CHICKEN_BITS, 0xfc910007, 0x00810007, | |
146 | mmSDMA1_CLK_CTRL, 0xff000fff, 0x00000000, | |
147 | mmSDMA1_GFX_IB_CNTL, 0x00000100, 0x00000100, | |
148 | mmSDMA1_POWER_CNTL, 0x00000800, 0x0003c800, | |
149 | mmSDMA1_RLC0_IB_CNTL, 0x00000100, 0x00000100, | |
150 | mmSDMA1_RLC1_IB_CNTL, 0x00000100, 0x00000100, | |
151 | }; | |
152 | ||
153 | static const u32 cz_mgcg_cgcg_init[] = | |
154 | { | |
155 | mmSDMA0_CLK_CTRL, 0xff000ff0, 0x00000100, | |
156 | mmSDMA1_CLK_CTRL, 0xff000ff0, 0x00000100 | |
157 | }; | |
158 | ||
bb16e3b6 SL |
159 | static const u32 stoney_golden_settings_a11[] = |
160 | { | |
161 | mmSDMA0_GFX_IB_CNTL, 0x00000100, 0x00000100, | |
162 | mmSDMA0_POWER_CNTL, 0x00000800, 0x0003c800, | |
163 | mmSDMA0_RLC0_IB_CNTL, 0x00000100, 0x00000100, | |
164 | mmSDMA0_RLC1_IB_CNTL, 0x00000100, 0x00000100, | |
165 | }; | |
166 | ||
167 | static const u32 stoney_mgcg_cgcg_init[] = | |
168 | { | |
169 | mmSDMA0_CLK_CTRL, 0xffffffff, 0x00000100, | |
170 | }; | |
171 | ||
aaa36a97 AD |
172 | /* |
173 | * sDMA - System DMA | |
174 | * Starting with CIK, the GPU has new asynchronous | |
175 | * DMA engines. These engines are used for compute | |
176 | * and gfx. There are two DMA engines (SDMA0, SDMA1) | |
177 | * and each one supports 1 ring buffer used for gfx | |
178 | * and 2 queues used for compute. | |
179 | * | |
180 | * The programming model is very similar to the CP | |
181 | * (ring buffer, IBs, etc.), but sDMA has it's own | |
182 | * packet format that is different from the PM4 format | |
183 | * used by the CP. sDMA supports copying data, writing | |
184 | * embedded data, solid fills, and a number of other | |
185 | * things. It also has support for tiling/detiling of | |
186 | * buffers. | |
187 | */ | |
188 | ||
189 | static void sdma_v3_0_init_golden_registers(struct amdgpu_device *adev) | |
190 | { | |
191 | switch (adev->asic_type) { | |
1a5bbb66 DZ |
192 | case CHIP_FIJI: |
193 | amdgpu_program_register_sequence(adev, | |
194 | fiji_mgcg_cgcg_init, | |
195 | (const u32)ARRAY_SIZE(fiji_mgcg_cgcg_init)); | |
196 | amdgpu_program_register_sequence(adev, | |
197 | golden_settings_fiji_a10, | |
198 | (const u32)ARRAY_SIZE(golden_settings_fiji_a10)); | |
199 | break; | |
aaa36a97 AD |
200 | case CHIP_TONGA: |
201 | amdgpu_program_register_sequence(adev, | |
202 | tonga_mgcg_cgcg_init, | |
203 | (const u32)ARRAY_SIZE(tonga_mgcg_cgcg_init)); | |
204 | amdgpu_program_register_sequence(adev, | |
205 | golden_settings_tonga_a11, | |
206 | (const u32)ARRAY_SIZE(golden_settings_tonga_a11)); | |
207 | break; | |
2cc0c0b5 | 208 | case CHIP_POLARIS11: |
2cea03de | 209 | amdgpu_program_register_sequence(adev, |
2cc0c0b5 FC |
210 | golden_settings_polaris11_a11, |
211 | (const u32)ARRAY_SIZE(golden_settings_polaris11_a11)); | |
2cea03de | 212 | break; |
2cc0c0b5 | 213 | case CHIP_POLARIS10: |
2cea03de | 214 | amdgpu_program_register_sequence(adev, |
2cc0c0b5 FC |
215 | golden_settings_polaris10_a11, |
216 | (const u32)ARRAY_SIZE(golden_settings_polaris10_a11)); | |
2cea03de | 217 | break; |
aaa36a97 AD |
218 | case CHIP_CARRIZO: |
219 | amdgpu_program_register_sequence(adev, | |
220 | cz_mgcg_cgcg_init, | |
221 | (const u32)ARRAY_SIZE(cz_mgcg_cgcg_init)); | |
222 | amdgpu_program_register_sequence(adev, | |
223 | cz_golden_settings_a11, | |
224 | (const u32)ARRAY_SIZE(cz_golden_settings_a11)); | |
225 | break; | |
bb16e3b6 SL |
226 | case CHIP_STONEY: |
227 | amdgpu_program_register_sequence(adev, | |
228 | stoney_mgcg_cgcg_init, | |
229 | (const u32)ARRAY_SIZE(stoney_mgcg_cgcg_init)); | |
230 | amdgpu_program_register_sequence(adev, | |
231 | stoney_golden_settings_a11, | |
232 | (const u32)ARRAY_SIZE(stoney_golden_settings_a11)); | |
233 | break; | |
aaa36a97 AD |
234 | default: |
235 | break; | |
236 | } | |
237 | } | |
238 | ||
14d83e78 ML |
239 | static void sdma_v3_0_free_microcode(struct amdgpu_device *adev) |
240 | { | |
241 | int i; | |
242 | for (i = 0; i < adev->sdma.num_instances; i++) { | |
243 | release_firmware(adev->sdma.instance[i].fw); | |
244 | adev->sdma.instance[i].fw = NULL; | |
245 | } | |
246 | } | |
247 | ||
aaa36a97 AD |
248 | /** |
249 | * sdma_v3_0_init_microcode - load ucode images from disk | |
250 | * | |
251 | * @adev: amdgpu_device pointer | |
252 | * | |
253 | * Use the firmware interface to load the ucode images into | |
254 | * the driver (not loaded into hw). | |
255 | * Returns 0 on success, error on failure. | |
256 | */ | |
257 | static int sdma_v3_0_init_microcode(struct amdgpu_device *adev) | |
258 | { | |
259 | const char *chip_name; | |
260 | char fw_name[30]; | |
c113ea1c | 261 | int err = 0, i; |
aaa36a97 AD |
262 | struct amdgpu_firmware_info *info = NULL; |
263 | const struct common_firmware_header *header = NULL; | |
595fd013 | 264 | const struct sdma_firmware_header_v1_0 *hdr; |
aaa36a97 AD |
265 | |
266 | DRM_DEBUG("\n"); | |
267 | ||
268 | switch (adev->asic_type) { | |
269 | case CHIP_TONGA: | |
270 | chip_name = "tonga"; | |
271 | break; | |
1a5bbb66 DZ |
272 | case CHIP_FIJI: |
273 | chip_name = "fiji"; | |
274 | break; | |
2cc0c0b5 FC |
275 | case CHIP_POLARIS11: |
276 | chip_name = "polaris11"; | |
2cea03de | 277 | break; |
2cc0c0b5 FC |
278 | case CHIP_POLARIS10: |
279 | chip_name = "polaris10"; | |
2cea03de | 280 | break; |
aaa36a97 AD |
281 | case CHIP_CARRIZO: |
282 | chip_name = "carrizo"; | |
283 | break; | |
bb16e3b6 SL |
284 | case CHIP_STONEY: |
285 | chip_name = "stoney"; | |
286 | break; | |
aaa36a97 AD |
287 | default: BUG(); |
288 | } | |
289 | ||
c113ea1c | 290 | for (i = 0; i < adev->sdma.num_instances; i++) { |
aaa36a97 | 291 | if (i == 0) |
c65444fe | 292 | snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma.bin", chip_name); |
aaa36a97 | 293 | else |
c65444fe | 294 | snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma1.bin", chip_name); |
c113ea1c | 295 | err = request_firmware(&adev->sdma.instance[i].fw, fw_name, adev->dev); |
aaa36a97 AD |
296 | if (err) |
297 | goto out; | |
c113ea1c | 298 | err = amdgpu_ucode_validate(adev->sdma.instance[i].fw); |
aaa36a97 AD |
299 | if (err) |
300 | goto out; | |
c113ea1c AD |
301 | hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data; |
302 | adev->sdma.instance[i].fw_version = le32_to_cpu(hdr->header.ucode_version); | |
303 | adev->sdma.instance[i].feature_version = le32_to_cpu(hdr->ucode_feature_version); | |
304 | if (adev->sdma.instance[i].feature_version >= 20) | |
305 | adev->sdma.instance[i].burst_nop = true; | |
aaa36a97 AD |
306 | |
307 | if (adev->firmware.smu_load) { | |
308 | info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA0 + i]; | |
309 | info->ucode_id = AMDGPU_UCODE_ID_SDMA0 + i; | |
c113ea1c | 310 | info->fw = adev->sdma.instance[i].fw; |
aaa36a97 AD |
311 | header = (const struct common_firmware_header *)info->fw->data; |
312 | adev->firmware.fw_size += | |
313 | ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE); | |
314 | } | |
315 | } | |
316 | out: | |
317 | if (err) { | |
318 | printk(KERN_ERR | |
319 | "sdma_v3_0: Failed to load firmware \"%s\"\n", | |
320 | fw_name); | |
c113ea1c AD |
321 | for (i = 0; i < adev->sdma.num_instances; i++) { |
322 | release_firmware(adev->sdma.instance[i].fw); | |
323 | adev->sdma.instance[i].fw = NULL; | |
aaa36a97 AD |
324 | } |
325 | } | |
326 | return err; | |
327 | } | |
328 | ||
329 | /** | |
330 | * sdma_v3_0_ring_get_rptr - get the current read pointer | |
331 | * | |
332 | * @ring: amdgpu ring pointer | |
333 | * | |
334 | * Get the current rptr from the hardware (VI+). | |
335 | */ | |
336 | static uint32_t sdma_v3_0_ring_get_rptr(struct amdgpu_ring *ring) | |
337 | { | |
338 | u32 rptr; | |
339 | ||
340 | /* XXX check if swapping is necessary on BE */ | |
341 | rptr = ring->adev->wb.wb[ring->rptr_offs] >> 2; | |
342 | ||
343 | return rptr; | |
344 | } | |
345 | ||
346 | /** | |
347 | * sdma_v3_0_ring_get_wptr - get the current write pointer | |
348 | * | |
349 | * @ring: amdgpu ring pointer | |
350 | * | |
351 | * Get the current wptr from the hardware (VI+). | |
352 | */ | |
353 | static uint32_t sdma_v3_0_ring_get_wptr(struct amdgpu_ring *ring) | |
354 | { | |
355 | struct amdgpu_device *adev = ring->adev; | |
356 | u32 wptr; | |
357 | ||
358 | if (ring->use_doorbell) { | |
359 | /* XXX check if swapping is necessary on BE */ | |
360 | wptr = ring->adev->wb.wb[ring->wptr_offs] >> 2; | |
361 | } else { | |
c113ea1c | 362 | int me = (ring == &ring->adev->sdma.instance[0].ring) ? 0 : 1; |
aaa36a97 AD |
363 | |
364 | wptr = RREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[me]) >> 2; | |
365 | } | |
366 | ||
367 | return wptr; | |
368 | } | |
369 | ||
370 | /** | |
371 | * sdma_v3_0_ring_set_wptr - commit the write pointer | |
372 | * | |
373 | * @ring: amdgpu ring pointer | |
374 | * | |
375 | * Write the wptr back to the hardware (VI+). | |
376 | */ | |
377 | static void sdma_v3_0_ring_set_wptr(struct amdgpu_ring *ring) | |
378 | { | |
379 | struct amdgpu_device *adev = ring->adev; | |
380 | ||
381 | if (ring->use_doorbell) { | |
382 | /* XXX check if swapping is necessary on BE */ | |
383 | adev->wb.wb[ring->wptr_offs] = ring->wptr << 2; | |
384 | WDOORBELL32(ring->doorbell_index, ring->wptr << 2); | |
385 | } else { | |
c113ea1c | 386 | int me = (ring == &ring->adev->sdma.instance[0].ring) ? 0 : 1; |
aaa36a97 AD |
387 | |
388 | WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[me], ring->wptr << 2); | |
389 | } | |
390 | } | |
391 | ||
ac01db3d JZ |
392 | static void sdma_v3_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) |
393 | { | |
c113ea1c | 394 | struct amdgpu_sdma_instance *sdma = amdgpu_get_sdma_instance(ring); |
ac01db3d JZ |
395 | int i; |
396 | ||
397 | for (i = 0; i < count; i++) | |
398 | if (sdma && sdma->burst_nop && (i == 0)) | |
399 | amdgpu_ring_write(ring, ring->nop | | |
400 | SDMA_PKT_NOP_HEADER_COUNT(count - 1)); | |
401 | else | |
402 | amdgpu_ring_write(ring, ring->nop); | |
403 | } | |
404 | ||
aaa36a97 AD |
405 | /** |
406 | * sdma_v3_0_ring_emit_ib - Schedule an IB on the DMA engine | |
407 | * | |
408 | * @ring: amdgpu ring pointer | |
409 | * @ib: IB object to schedule | |
410 | * | |
411 | * Schedule an IB in the DMA ring (VI). | |
412 | */ | |
413 | static void sdma_v3_0_ring_emit_ib(struct amdgpu_ring *ring, | |
d88bf583 CK |
414 | struct amdgpu_ib *ib, |
415 | unsigned vm_id, bool ctx_switch) | |
aaa36a97 | 416 | { |
d88bf583 | 417 | u32 vmid = vm_id & 0xf; |
aaa36a97 | 418 | |
aaa36a97 | 419 | /* IB packet must end on a 8 DW boundary */ |
ac01db3d | 420 | sdma_v3_0_ring_insert_nop(ring, (10 - (ring->wptr & 7)) % 8); |
aaa36a97 AD |
421 | |
422 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_INDIRECT) | | |
423 | SDMA_PKT_INDIRECT_HEADER_VMID(vmid)); | |
424 | /* base must be 32 byte aligned */ | |
425 | amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr) & 0xffffffe0); | |
426 | amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); | |
427 | amdgpu_ring_write(ring, ib->length_dw); | |
428 | amdgpu_ring_write(ring, 0); | |
429 | amdgpu_ring_write(ring, 0); | |
430 | ||
431 | } | |
432 | ||
433 | /** | |
d2edb07b | 434 | * sdma_v3_0_ring_emit_hdp_flush - emit an hdp flush on the DMA ring |
aaa36a97 AD |
435 | * |
436 | * @ring: amdgpu ring pointer | |
437 | * | |
438 | * Emit an hdp flush packet on the requested DMA ring. | |
439 | */ | |
d2edb07b | 440 | static void sdma_v3_0_ring_emit_hdp_flush(struct amdgpu_ring *ring) |
aaa36a97 AD |
441 | { |
442 | u32 ref_and_mask = 0; | |
443 | ||
c113ea1c | 444 | if (ring == &ring->adev->sdma.instance[0].ring) |
aaa36a97 AD |
445 | ref_and_mask = REG_SET_FIELD(ref_and_mask, GPU_HDP_FLUSH_DONE, SDMA0, 1); |
446 | else | |
447 | ref_and_mask = REG_SET_FIELD(ref_and_mask, GPU_HDP_FLUSH_DONE, SDMA1, 1); | |
448 | ||
449 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | | |
450 | SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(1) | | |
451 | SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */ | |
452 | amdgpu_ring_write(ring, mmGPU_HDP_FLUSH_DONE << 2); | |
453 | amdgpu_ring_write(ring, mmGPU_HDP_FLUSH_REQ << 2); | |
454 | amdgpu_ring_write(ring, ref_and_mask); /* reference */ | |
455 | amdgpu_ring_write(ring, ref_and_mask); /* mask */ | |
456 | amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | | |
457 | SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */ | |
458 | } | |
459 | ||
cc958e67 CZ |
460 | static void sdma_v3_0_ring_emit_hdp_invalidate(struct amdgpu_ring *ring) |
461 | { | |
462 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | | |
463 | SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); | |
464 | amdgpu_ring_write(ring, mmHDP_DEBUG0); | |
465 | amdgpu_ring_write(ring, 1); | |
466 | } | |
467 | ||
aaa36a97 AD |
468 | /** |
469 | * sdma_v3_0_ring_emit_fence - emit a fence on the DMA ring | |
470 | * | |
471 | * @ring: amdgpu ring pointer | |
472 | * @fence: amdgpu fence object | |
473 | * | |
474 | * Add a DMA fence packet to the ring to write | |
475 | * the fence seq number and DMA trap packet to generate | |
476 | * an interrupt if needed (VI). | |
477 | */ | |
478 | static void sdma_v3_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, | |
890ee23f | 479 | unsigned flags) |
aaa36a97 | 480 | { |
890ee23f | 481 | bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT; |
aaa36a97 AD |
482 | /* write the fence */ |
483 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE)); | |
484 | amdgpu_ring_write(ring, lower_32_bits(addr)); | |
485 | amdgpu_ring_write(ring, upper_32_bits(addr)); | |
486 | amdgpu_ring_write(ring, lower_32_bits(seq)); | |
487 | ||
488 | /* optionally write high bits as well */ | |
890ee23f | 489 | if (write64bit) { |
aaa36a97 AD |
490 | addr += 4; |
491 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE)); | |
492 | amdgpu_ring_write(ring, lower_32_bits(addr)); | |
493 | amdgpu_ring_write(ring, upper_32_bits(addr)); | |
494 | amdgpu_ring_write(ring, upper_32_bits(seq)); | |
495 | } | |
496 | ||
497 | /* generate an interrupt */ | |
498 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_TRAP)); | |
499 | amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(0)); | |
500 | } | |
501 | ||
03ccf481 ML |
502 | unsigned init_cond_exec(struct amdgpu_ring *ring) |
503 | { | |
504 | unsigned ret; | |
505 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_COND_EXE)); | |
506 | amdgpu_ring_write(ring, lower_32_bits(ring->cond_exe_gpu_addr)); | |
507 | amdgpu_ring_write(ring, upper_32_bits(ring->cond_exe_gpu_addr)); | |
508 | amdgpu_ring_write(ring, 1); | |
509 | ret = ring->wptr;/* this is the offset we need patch later */ | |
510 | amdgpu_ring_write(ring, 0x55aa55aa);/* insert dummy here and patch it later */ | |
511 | return ret; | |
512 | } | |
513 | ||
514 | void patch_cond_exec(struct amdgpu_ring *ring, unsigned offset) | |
515 | { | |
516 | unsigned cur; | |
517 | BUG_ON(ring->ring[offset] != 0x55aa55aa); | |
518 | ||
519 | cur = ring->wptr - 1; | |
520 | if (likely(cur > offset)) | |
521 | ring->ring[offset] = cur - offset; | |
522 | else | |
523 | ring->ring[offset] = (ring->ring_size>>2) - offset + cur; | |
524 | } | |
525 | ||
526 | ||
aaa36a97 AD |
527 | /** |
528 | * sdma_v3_0_gfx_stop - stop the gfx async dma engines | |
529 | * | |
530 | * @adev: amdgpu_device pointer | |
531 | * | |
532 | * Stop the gfx async dma ring buffers (VI). | |
533 | */ | |
534 | static void sdma_v3_0_gfx_stop(struct amdgpu_device *adev) | |
535 | { | |
c113ea1c AD |
536 | struct amdgpu_ring *sdma0 = &adev->sdma.instance[0].ring; |
537 | struct amdgpu_ring *sdma1 = &adev->sdma.instance[1].ring; | |
aaa36a97 AD |
538 | u32 rb_cntl, ib_cntl; |
539 | int i; | |
540 | ||
541 | if ((adev->mman.buffer_funcs_ring == sdma0) || | |
542 | (adev->mman.buffer_funcs_ring == sdma1)) | |
543 | amdgpu_ttm_set_active_vram_size(adev, adev->mc.visible_vram_size); | |
544 | ||
c113ea1c | 545 | for (i = 0; i < adev->sdma.num_instances; i++) { |
aaa36a97 AD |
546 | rb_cntl = RREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i]); |
547 | rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 0); | |
548 | WREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i], rb_cntl); | |
549 | ib_cntl = RREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i]); | |
550 | ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0); | |
551 | WREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i], ib_cntl); | |
552 | } | |
553 | sdma0->ready = false; | |
554 | sdma1->ready = false; | |
555 | } | |
556 | ||
557 | /** | |
558 | * sdma_v3_0_rlc_stop - stop the compute async dma engines | |
559 | * | |
560 | * @adev: amdgpu_device pointer | |
561 | * | |
562 | * Stop the compute async dma queues (VI). | |
563 | */ | |
564 | static void sdma_v3_0_rlc_stop(struct amdgpu_device *adev) | |
565 | { | |
566 | /* XXX todo */ | |
567 | } | |
568 | ||
cd06bf68 BG |
569 | /** |
570 | * sdma_v3_0_ctx_switch_enable - stop the async dma engines context switch | |
571 | * | |
572 | * @adev: amdgpu_device pointer | |
573 | * @enable: enable/disable the DMA MEs context switch. | |
574 | * | |
575 | * Halt or unhalt the async dma engines context switch (VI). | |
576 | */ | |
577 | static void sdma_v3_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable) | |
578 | { | |
579 | u32 f32_cntl; | |
580 | int i; | |
581 | ||
c113ea1c | 582 | for (i = 0; i < adev->sdma.num_instances; i++) { |
cd06bf68 BG |
583 | f32_cntl = RREG32(mmSDMA0_CNTL + sdma_offsets[i]); |
584 | if (enable) | |
585 | f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL, | |
586 | AUTO_CTXSW_ENABLE, 1); | |
587 | else | |
588 | f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL, | |
589 | AUTO_CTXSW_ENABLE, 0); | |
590 | WREG32(mmSDMA0_CNTL + sdma_offsets[i], f32_cntl); | |
591 | } | |
592 | } | |
593 | ||
aaa36a97 AD |
594 | /** |
595 | * sdma_v3_0_enable - stop the async dma engines | |
596 | * | |
597 | * @adev: amdgpu_device pointer | |
598 | * @enable: enable/disable the DMA MEs. | |
599 | * | |
600 | * Halt or unhalt the async dma engines (VI). | |
601 | */ | |
602 | static void sdma_v3_0_enable(struct amdgpu_device *adev, bool enable) | |
603 | { | |
604 | u32 f32_cntl; | |
605 | int i; | |
606 | ||
004e29cc | 607 | if (!enable) { |
aaa36a97 AD |
608 | sdma_v3_0_gfx_stop(adev); |
609 | sdma_v3_0_rlc_stop(adev); | |
610 | } | |
611 | ||
c113ea1c | 612 | for (i = 0; i < adev->sdma.num_instances; i++) { |
aaa36a97 AD |
613 | f32_cntl = RREG32(mmSDMA0_F32_CNTL + sdma_offsets[i]); |
614 | if (enable) | |
615 | f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, 0); | |
616 | else | |
617 | f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, 1); | |
618 | WREG32(mmSDMA0_F32_CNTL + sdma_offsets[i], f32_cntl); | |
619 | } | |
620 | } | |
621 | ||
622 | /** | |
623 | * sdma_v3_0_gfx_resume - setup and start the async dma engines | |
624 | * | |
625 | * @adev: amdgpu_device pointer | |
626 | * | |
627 | * Set up the gfx DMA ring buffers and enable them (VI). | |
628 | * Returns 0 for success, error for failure. | |
629 | */ | |
630 | static int sdma_v3_0_gfx_resume(struct amdgpu_device *adev) | |
631 | { | |
632 | struct amdgpu_ring *ring; | |
633 | u32 rb_cntl, ib_cntl; | |
634 | u32 rb_bufsz; | |
635 | u32 wb_offset; | |
636 | u32 doorbell; | |
637 | int i, j, r; | |
638 | ||
c113ea1c AD |
639 | for (i = 0; i < adev->sdma.num_instances; i++) { |
640 | ring = &adev->sdma.instance[i].ring; | |
aaa36a97 AD |
641 | wb_offset = (ring->rptr_offs * 4); |
642 | ||
643 | mutex_lock(&adev->srbm_mutex); | |
644 | for (j = 0; j < 16; j++) { | |
645 | vi_srbm_select(adev, 0, 0, 0, j); | |
646 | /* SDMA GFX */ | |
647 | WREG32(mmSDMA0_GFX_VIRTUAL_ADDR + sdma_offsets[i], 0); | |
648 | WREG32(mmSDMA0_GFX_APE1_CNTL + sdma_offsets[i], 0); | |
649 | } | |
650 | vi_srbm_select(adev, 0, 0, 0, 0); | |
651 | mutex_unlock(&adev->srbm_mutex); | |
652 | ||
c458fe94 AD |
653 | WREG32(mmSDMA0_TILING_CONFIG + sdma_offsets[i], |
654 | adev->gfx.config.gb_addr_config & 0x70); | |
655 | ||
aaa36a97 AD |
656 | WREG32(mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL + sdma_offsets[i], 0); |
657 | ||
658 | /* Set ring buffer size in dwords */ | |
659 | rb_bufsz = order_base_2(ring->ring_size / 4); | |
660 | rb_cntl = RREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i]); | |
661 | rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SIZE, rb_bufsz); | |
662 | #ifdef __BIG_ENDIAN | |
663 | rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SWAP_ENABLE, 1); | |
664 | rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, | |
665 | RPTR_WRITEBACK_SWAP_ENABLE, 1); | |
666 | #endif | |
667 | WREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i], rb_cntl); | |
668 | ||
669 | /* Initialize the ring buffer's read and write pointers */ | |
670 | WREG32(mmSDMA0_GFX_RB_RPTR + sdma_offsets[i], 0); | |
671 | WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[i], 0); | |
d72f7c06 ML |
672 | WREG32(mmSDMA0_GFX_IB_RPTR + sdma_offsets[i], 0); |
673 | WREG32(mmSDMA0_GFX_IB_OFFSET + sdma_offsets[i], 0); | |
aaa36a97 AD |
674 | |
675 | /* set the wb address whether it's enabled or not */ | |
676 | WREG32(mmSDMA0_GFX_RB_RPTR_ADDR_HI + sdma_offsets[i], | |
677 | upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF); | |
678 | WREG32(mmSDMA0_GFX_RB_RPTR_ADDR_LO + sdma_offsets[i], | |
679 | lower_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC); | |
680 | ||
681 | rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1); | |
682 | ||
683 | WREG32(mmSDMA0_GFX_RB_BASE + sdma_offsets[i], ring->gpu_addr >> 8); | |
684 | WREG32(mmSDMA0_GFX_RB_BASE_HI + sdma_offsets[i], ring->gpu_addr >> 40); | |
685 | ||
686 | ring->wptr = 0; | |
687 | WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[i], ring->wptr << 2); | |
688 | ||
689 | doorbell = RREG32(mmSDMA0_GFX_DOORBELL + sdma_offsets[i]); | |
690 | ||
691 | if (ring->use_doorbell) { | |
692 | doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, | |
693 | OFFSET, ring->doorbell_index); | |
694 | doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 1); | |
695 | } else { | |
696 | doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE, 0); | |
697 | } | |
698 | WREG32(mmSDMA0_GFX_DOORBELL + sdma_offsets[i], doorbell); | |
699 | ||
700 | /* enable DMA RB */ | |
701 | rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 1); | |
702 | WREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i], rb_cntl); | |
703 | ||
704 | ib_cntl = RREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i]); | |
705 | ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 1); | |
706 | #ifdef __BIG_ENDIAN | |
707 | ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_SWAP_ENABLE, 1); | |
708 | #endif | |
709 | /* enable DMA IBs */ | |
710 | WREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i], ib_cntl); | |
711 | ||
712 | ring->ready = true; | |
505dfe76 | 713 | } |
aaa36a97 | 714 | |
505dfe76 ML |
715 | /* unhalt the MEs */ |
716 | sdma_v3_0_enable(adev, true); | |
717 | /* enable sdma ring preemption */ | |
718 | sdma_v3_0_ctx_switch_enable(adev, true); | |
719 | ||
720 | for (i = 0; i < adev->sdma.num_instances; i++) { | |
721 | ring = &adev->sdma.instance[i].ring; | |
aaa36a97 AD |
722 | r = amdgpu_ring_test_ring(ring); |
723 | if (r) { | |
724 | ring->ready = false; | |
725 | return r; | |
726 | } | |
727 | ||
728 | if (adev->mman.buffer_funcs_ring == ring) | |
729 | amdgpu_ttm_set_active_vram_size(adev, adev->mc.real_vram_size); | |
730 | } | |
731 | ||
732 | return 0; | |
733 | } | |
734 | ||
735 | /** | |
736 | * sdma_v3_0_rlc_resume - setup and start the async dma engines | |
737 | * | |
738 | * @adev: amdgpu_device pointer | |
739 | * | |
740 | * Set up the compute DMA queues and enable them (VI). | |
741 | * Returns 0 for success, error for failure. | |
742 | */ | |
743 | static int sdma_v3_0_rlc_resume(struct amdgpu_device *adev) | |
744 | { | |
745 | /* XXX todo */ | |
746 | return 0; | |
747 | } | |
748 | ||
749 | /** | |
750 | * sdma_v3_0_load_microcode - load the sDMA ME ucode | |
751 | * | |
752 | * @adev: amdgpu_device pointer | |
753 | * | |
754 | * Loads the sDMA0/1 ucode. | |
755 | * Returns 0 for success, -EINVAL if the ucode is not available. | |
756 | */ | |
757 | static int sdma_v3_0_load_microcode(struct amdgpu_device *adev) | |
758 | { | |
759 | const struct sdma_firmware_header_v1_0 *hdr; | |
760 | const __le32 *fw_data; | |
761 | u32 fw_size; | |
762 | int i, j; | |
763 | ||
aaa36a97 AD |
764 | /* halt the MEs */ |
765 | sdma_v3_0_enable(adev, false); | |
766 | ||
c113ea1c AD |
767 | for (i = 0; i < adev->sdma.num_instances; i++) { |
768 | if (!adev->sdma.instance[i].fw) | |
769 | return -EINVAL; | |
770 | hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data; | |
aaa36a97 AD |
771 | amdgpu_ucode_print_sdma_hdr(&hdr->header); |
772 | fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; | |
aaa36a97 | 773 | fw_data = (const __le32 *) |
c113ea1c | 774 | (adev->sdma.instance[i].fw->data + |
aaa36a97 AD |
775 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); |
776 | WREG32(mmSDMA0_UCODE_ADDR + sdma_offsets[i], 0); | |
777 | for (j = 0; j < fw_size; j++) | |
778 | WREG32(mmSDMA0_UCODE_DATA + sdma_offsets[i], le32_to_cpup(fw_data++)); | |
c113ea1c | 779 | WREG32(mmSDMA0_UCODE_ADDR + sdma_offsets[i], adev->sdma.instance[i].fw_version); |
aaa36a97 AD |
780 | } |
781 | ||
782 | return 0; | |
783 | } | |
784 | ||
785 | /** | |
786 | * sdma_v3_0_start - setup and start the async dma engines | |
787 | * | |
788 | * @adev: amdgpu_device pointer | |
789 | * | |
790 | * Set up the DMA engines and enable them (VI). | |
791 | * Returns 0 for success, error for failure. | |
792 | */ | |
793 | static int sdma_v3_0_start(struct amdgpu_device *adev) | |
794 | { | |
c113ea1c | 795 | int r, i; |
aaa36a97 | 796 | |
e61710c5 | 797 | if (!adev->pp_enabled) { |
ba5c2a87 RZ |
798 | if (!adev->firmware.smu_load) { |
799 | r = sdma_v3_0_load_microcode(adev); | |
c113ea1c | 800 | if (r) |
ba5c2a87 RZ |
801 | return r; |
802 | } else { | |
803 | for (i = 0; i < adev->sdma.num_instances; i++) { | |
804 | r = adev->smu.smumgr_funcs->check_fw_load_finish(adev, | |
805 | (i == 0) ? | |
806 | AMDGPU_UCODE_ID_SDMA0 : | |
807 | AMDGPU_UCODE_ID_SDMA1); | |
808 | if (r) | |
809 | return -EINVAL; | |
810 | } | |
c113ea1c | 811 | } |
aaa36a97 AD |
812 | } |
813 | ||
505dfe76 ML |
814 | /* disble sdma engine before programing it */ |
815 | sdma_v3_0_ctx_switch_enable(adev, false); | |
816 | sdma_v3_0_enable(adev, false); | |
aaa36a97 AD |
817 | |
818 | /* start the gfx rings and rlc compute queues */ | |
819 | r = sdma_v3_0_gfx_resume(adev); | |
820 | if (r) | |
821 | return r; | |
822 | r = sdma_v3_0_rlc_resume(adev); | |
823 | if (r) | |
824 | return r; | |
825 | ||
826 | return 0; | |
827 | } | |
828 | ||
829 | /** | |
830 | * sdma_v3_0_ring_test_ring - simple async dma engine test | |
831 | * | |
832 | * @ring: amdgpu_ring structure holding ring information | |
833 | * | |
834 | * Test the DMA engine by writing using it to write an | |
835 | * value to memory. (VI). | |
836 | * Returns 0 for success, error for failure. | |
837 | */ | |
838 | static int sdma_v3_0_ring_test_ring(struct amdgpu_ring *ring) | |
839 | { | |
840 | struct amdgpu_device *adev = ring->adev; | |
841 | unsigned i; | |
842 | unsigned index; | |
843 | int r; | |
844 | u32 tmp; | |
845 | u64 gpu_addr; | |
846 | ||
847 | r = amdgpu_wb_get(adev, &index); | |
848 | if (r) { | |
849 | dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r); | |
850 | return r; | |
851 | } | |
852 | ||
853 | gpu_addr = adev->wb.gpu_addr + (index * 4); | |
854 | tmp = 0xCAFEDEAD; | |
855 | adev->wb.wb[index] = cpu_to_le32(tmp); | |
856 | ||
a27de35c | 857 | r = amdgpu_ring_alloc(ring, 5); |
aaa36a97 AD |
858 | if (r) { |
859 | DRM_ERROR("amdgpu: dma failed to lock ring %d (%d).\n", ring->idx, r); | |
860 | amdgpu_wb_free(adev, index); | |
861 | return r; | |
862 | } | |
863 | ||
864 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | | |
865 | SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR)); | |
866 | amdgpu_ring_write(ring, lower_32_bits(gpu_addr)); | |
867 | amdgpu_ring_write(ring, upper_32_bits(gpu_addr)); | |
868 | amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(1)); | |
869 | amdgpu_ring_write(ring, 0xDEADBEEF); | |
a27de35c | 870 | amdgpu_ring_commit(ring); |
aaa36a97 AD |
871 | |
872 | for (i = 0; i < adev->usec_timeout; i++) { | |
873 | tmp = le32_to_cpu(adev->wb.wb[index]); | |
874 | if (tmp == 0xDEADBEEF) | |
875 | break; | |
876 | DRM_UDELAY(1); | |
877 | } | |
878 | ||
879 | if (i < adev->usec_timeout) { | |
880 | DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i); | |
881 | } else { | |
882 | DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n", | |
883 | ring->idx, tmp); | |
884 | r = -EINVAL; | |
885 | } | |
886 | amdgpu_wb_free(adev, index); | |
887 | ||
888 | return r; | |
889 | } | |
890 | ||
891 | /** | |
892 | * sdma_v3_0_ring_test_ib - test an IB on the DMA engine | |
893 | * | |
894 | * @ring: amdgpu_ring structure holding ring information | |
895 | * | |
896 | * Test a simple IB in the DMA ring (VI). | |
897 | * Returns 0 on success, error on failure. | |
898 | */ | |
bbec97aa | 899 | static int sdma_v3_0_ring_test_ib(struct amdgpu_ring *ring, long timeout) |
aaa36a97 AD |
900 | { |
901 | struct amdgpu_device *adev = ring->adev; | |
902 | struct amdgpu_ib ib; | |
1763552e | 903 | struct fence *f = NULL; |
aaa36a97 | 904 | unsigned index; |
aaa36a97 AD |
905 | u32 tmp = 0; |
906 | u64 gpu_addr; | |
bbec97aa | 907 | long r; |
aaa36a97 AD |
908 | |
909 | r = amdgpu_wb_get(adev, &index); | |
910 | if (r) { | |
bbec97aa | 911 | dev_err(adev->dev, "(%ld) failed to allocate wb slot\n", r); |
aaa36a97 AD |
912 | return r; |
913 | } | |
914 | ||
915 | gpu_addr = adev->wb.gpu_addr + (index * 4); | |
916 | tmp = 0xCAFEDEAD; | |
917 | adev->wb.wb[index] = cpu_to_le32(tmp); | |
b203dd95 | 918 | memset(&ib, 0, sizeof(ib)); |
b07c60c0 | 919 | r = amdgpu_ib_get(adev, NULL, 256, &ib); |
aaa36a97 | 920 | if (r) { |
bbec97aa | 921 | DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r); |
0011fdaa | 922 | goto err0; |
aaa36a97 AD |
923 | } |
924 | ||
925 | ib.ptr[0] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | | |
926 | SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR); | |
927 | ib.ptr[1] = lower_32_bits(gpu_addr); | |
928 | ib.ptr[2] = upper_32_bits(gpu_addr); | |
929 | ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(1); | |
930 | ib.ptr[4] = 0xDEADBEEF; | |
931 | ib.ptr[5] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); | |
932 | ib.ptr[6] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); | |
933 | ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); | |
934 | ib.length_dw = 8; | |
935 | ||
c5637837 | 936 | r = amdgpu_ib_schedule(ring, 1, &ib, NULL, NULL, &f); |
0011fdaa CZ |
937 | if (r) |
938 | goto err1; | |
939 | ||
bbec97aa CK |
940 | r = fence_wait_timeout(f, false, timeout); |
941 | if (r == 0) { | |
942 | DRM_ERROR("amdgpu: IB test timed out\n"); | |
943 | r = -ETIMEDOUT; | |
944 | goto err1; | |
945 | } else if (r < 0) { | |
946 | DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r); | |
0011fdaa | 947 | goto err1; |
aaa36a97 | 948 | } |
6d44565d CK |
949 | tmp = le32_to_cpu(adev->wb.wb[index]); |
950 | if (tmp == 0xDEADBEEF) { | |
951 | DRM_INFO("ib test on ring %d succeeded\n", ring->idx); | |
bbec97aa | 952 | r = 0; |
aaa36a97 AD |
953 | } else { |
954 | DRM_ERROR("amdgpu: ib test failed (0x%08X)\n", tmp); | |
955 | r = -EINVAL; | |
956 | } | |
0011fdaa | 957 | err1: |
cc55c45d | 958 | amdgpu_ib_free(adev, &ib, NULL); |
73cfa5f5 | 959 | fence_put(f); |
0011fdaa | 960 | err0: |
aaa36a97 AD |
961 | amdgpu_wb_free(adev, index); |
962 | return r; | |
963 | } | |
964 | ||
965 | /** | |
966 | * sdma_v3_0_vm_copy_pte - update PTEs by copying them from the GART | |
967 | * | |
968 | * @ib: indirect buffer to fill with commands | |
969 | * @pe: addr of the page entry | |
970 | * @src: src addr to copy from | |
971 | * @count: number of page entries to update | |
972 | * | |
973 | * Update PTEs by copying them from the GART using sDMA (CIK). | |
974 | */ | |
975 | static void sdma_v3_0_vm_copy_pte(struct amdgpu_ib *ib, | |
976 | uint64_t pe, uint64_t src, | |
977 | unsigned count) | |
978 | { | |
96105e53 CK |
979 | unsigned bytes = count * 8; |
980 | ||
981 | ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) | | |
982 | SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR); | |
983 | ib->ptr[ib->length_dw++] = bytes; | |
984 | ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ | |
985 | ib->ptr[ib->length_dw++] = lower_32_bits(src); | |
986 | ib->ptr[ib->length_dw++] = upper_32_bits(src); | |
987 | ib->ptr[ib->length_dw++] = lower_32_bits(pe); | |
988 | ib->ptr[ib->length_dw++] = upper_32_bits(pe); | |
aaa36a97 AD |
989 | } |
990 | ||
991 | /** | |
992 | * sdma_v3_0_vm_write_pte - update PTEs by writing them manually | |
993 | * | |
994 | * @ib: indirect buffer to fill with commands | |
995 | * @pe: addr of the page entry | |
de9ea7bd | 996 | * @value: dst addr to write into pe |
aaa36a97 AD |
997 | * @count: number of page entries to update |
998 | * @incr: increase next addr by incr bytes | |
aaa36a97 AD |
999 | * |
1000 | * Update PTEs by writing them manually using sDMA (CIK). | |
1001 | */ | |
de9ea7bd CK |
1002 | static void sdma_v3_0_vm_write_pte(struct amdgpu_ib *ib, uint64_t pe, |
1003 | uint64_t value, unsigned count, | |
1004 | uint32_t incr) | |
aaa36a97 | 1005 | { |
de9ea7bd CK |
1006 | unsigned ndw = count * 2; |
1007 | ||
1008 | ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | | |
1009 | SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR); | |
1010 | ib->ptr[ib->length_dw++] = lower_32_bits(pe); | |
1011 | ib->ptr[ib->length_dw++] = upper_32_bits(pe); | |
1012 | ib->ptr[ib->length_dw++] = ndw; | |
1013 | for (; ndw > 0; ndw -= 2, --count, pe += 8) { | |
1014 | ib->ptr[ib->length_dw++] = lower_32_bits(value); | |
1015 | ib->ptr[ib->length_dw++] = upper_32_bits(value); | |
1016 | value += incr; | |
aaa36a97 AD |
1017 | } |
1018 | } | |
1019 | ||
1020 | /** | |
1021 | * sdma_v3_0_vm_set_pte_pde - update the page tables using sDMA | |
1022 | * | |
1023 | * @ib: indirect buffer to fill with commands | |
1024 | * @pe: addr of the page entry | |
1025 | * @addr: dst addr to write into pe | |
1026 | * @count: number of page entries to update | |
1027 | * @incr: increase next addr by incr bytes | |
1028 | * @flags: access flags | |
1029 | * | |
1030 | * Update the page tables using sDMA (CIK). | |
1031 | */ | |
96105e53 | 1032 | static void sdma_v3_0_vm_set_pte_pde(struct amdgpu_ib *ib, uint64_t pe, |
aaa36a97 AD |
1033 | uint64_t addr, unsigned count, |
1034 | uint32_t incr, uint32_t flags) | |
1035 | { | |
96105e53 CK |
1036 | /* for physically contiguous pages (vram) */ |
1037 | ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_GEN_PTEPDE); | |
1038 | ib->ptr[ib->length_dw++] = lower_32_bits(pe); /* dst addr */ | |
1039 | ib->ptr[ib->length_dw++] = upper_32_bits(pe); | |
1040 | ib->ptr[ib->length_dw++] = flags; /* mask */ | |
1041 | ib->ptr[ib->length_dw++] = 0; | |
1042 | ib->ptr[ib->length_dw++] = lower_32_bits(addr); /* value */ | |
1043 | ib->ptr[ib->length_dw++] = upper_32_bits(addr); | |
1044 | ib->ptr[ib->length_dw++] = incr; /* increment size */ | |
1045 | ib->ptr[ib->length_dw++] = 0; | |
1046 | ib->ptr[ib->length_dw++] = count; /* number of entries */ | |
aaa36a97 AD |
1047 | } |
1048 | ||
1049 | /** | |
9e5d5309 | 1050 | * sdma_v3_0_ring_pad_ib - pad the IB to the required number of dw |
aaa36a97 AD |
1051 | * |
1052 | * @ib: indirect buffer to fill with padding | |
1053 | * | |
1054 | */ | |
9e5d5309 | 1055 | static void sdma_v3_0_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib) |
aaa36a97 | 1056 | { |
9e5d5309 | 1057 | struct amdgpu_sdma_instance *sdma = amdgpu_get_sdma_instance(ring); |
ac01db3d JZ |
1058 | u32 pad_count; |
1059 | int i; | |
1060 | ||
1061 | pad_count = (8 - (ib->length_dw & 0x7)) % 8; | |
1062 | for (i = 0; i < pad_count; i++) | |
1063 | if (sdma && sdma->burst_nop && (i == 0)) | |
1064 | ib->ptr[ib->length_dw++] = | |
1065 | SDMA_PKT_HEADER_OP(SDMA_OP_NOP) | | |
1066 | SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1); | |
1067 | else | |
1068 | ib->ptr[ib->length_dw++] = | |
1069 | SDMA_PKT_HEADER_OP(SDMA_OP_NOP); | |
aaa36a97 AD |
1070 | } |
1071 | ||
1072 | /** | |
00b7c4ff | 1073 | * sdma_v3_0_ring_emit_pipeline_sync - sync the pipeline |
aaa36a97 AD |
1074 | * |
1075 | * @ring: amdgpu_ring pointer | |
aaa36a97 | 1076 | * |
00b7c4ff | 1077 | * Make sure all previous operations are completed (CIK). |
aaa36a97 | 1078 | */ |
00b7c4ff | 1079 | static void sdma_v3_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring) |
aaa36a97 | 1080 | { |
5c55db83 CZ |
1081 | uint32_t seq = ring->fence_drv.sync_seq; |
1082 | uint64_t addr = ring->fence_drv.gpu_addr; | |
1083 | ||
1084 | /* wait for idle */ | |
1085 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | | |
1086 | SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) | | |
1087 | SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3) | /* equal */ | |
1088 | SDMA_PKT_POLL_REGMEM_HEADER_MEM_POLL(1)); | |
1089 | amdgpu_ring_write(ring, addr & 0xfffffffc); | |
1090 | amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff); | |
1091 | amdgpu_ring_write(ring, seq); /* reference */ | |
1092 | amdgpu_ring_write(ring, 0xfffffff); /* mask */ | |
1093 | amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | | |
1094 | SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(4)); /* retry count, poll interval */ | |
00b7c4ff | 1095 | } |
5c55db83 | 1096 | |
00b7c4ff CK |
1097 | /** |
1098 | * sdma_v3_0_ring_emit_vm_flush - cik vm flush using sDMA | |
1099 | * | |
1100 | * @ring: amdgpu_ring pointer | |
1101 | * @vm: amdgpu_vm pointer | |
1102 | * | |
1103 | * Update the page table base and flush the VM TLB | |
1104 | * using sDMA (VI). | |
1105 | */ | |
1106 | static void sdma_v3_0_ring_emit_vm_flush(struct amdgpu_ring *ring, | |
1107 | unsigned vm_id, uint64_t pd_addr) | |
1108 | { | |
aaa36a97 AD |
1109 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | |
1110 | SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); | |
1111 | if (vm_id < 8) { | |
1112 | amdgpu_ring_write(ring, (mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vm_id)); | |
1113 | } else { | |
1114 | amdgpu_ring_write(ring, (mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + vm_id - 8)); | |
1115 | } | |
1116 | amdgpu_ring_write(ring, pd_addr >> 12); | |
1117 | ||
aaa36a97 AD |
1118 | /* flush TLB */ |
1119 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | | |
1120 | SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); | |
1121 | amdgpu_ring_write(ring, mmVM_INVALIDATE_REQUEST); | |
1122 | amdgpu_ring_write(ring, 1 << vm_id); | |
1123 | ||
1124 | /* wait for flush */ | |
1125 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | | |
1126 | SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) | | |
1127 | SDMA_PKT_POLL_REGMEM_HEADER_FUNC(0)); /* always */ | |
1128 | amdgpu_ring_write(ring, mmVM_INVALIDATE_REQUEST << 2); | |
1129 | amdgpu_ring_write(ring, 0); | |
1130 | amdgpu_ring_write(ring, 0); /* reference */ | |
1131 | amdgpu_ring_write(ring, 0); /* mask */ | |
1132 | amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | | |
1133 | SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */ | |
1134 | } | |
1135 | ||
5fc3aeeb | 1136 | static int sdma_v3_0_early_init(void *handle) |
aaa36a97 | 1137 | { |
5fc3aeeb | 1138 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
1139 | ||
c113ea1c | 1140 | switch (adev->asic_type) { |
bb16e3b6 SL |
1141 | case CHIP_STONEY: |
1142 | adev->sdma.num_instances = 1; | |
1143 | break; | |
c113ea1c AD |
1144 | default: |
1145 | adev->sdma.num_instances = SDMA_MAX_INSTANCE; | |
1146 | break; | |
1147 | } | |
1148 | ||
aaa36a97 AD |
1149 | sdma_v3_0_set_ring_funcs(adev); |
1150 | sdma_v3_0_set_buffer_funcs(adev); | |
1151 | sdma_v3_0_set_vm_pte_funcs(adev); | |
1152 | sdma_v3_0_set_irq_funcs(adev); | |
1153 | ||
1154 | return 0; | |
1155 | } | |
1156 | ||
5fc3aeeb | 1157 | static int sdma_v3_0_sw_init(void *handle) |
aaa36a97 AD |
1158 | { |
1159 | struct amdgpu_ring *ring; | |
c113ea1c | 1160 | int r, i; |
5fc3aeeb | 1161 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1162 | |
1163 | /* SDMA trap event */ | |
c113ea1c | 1164 | r = amdgpu_irq_add_id(adev, 224, &adev->sdma.trap_irq); |
aaa36a97 AD |
1165 | if (r) |
1166 | return r; | |
1167 | ||
1168 | /* SDMA Privileged inst */ | |
c113ea1c | 1169 | r = amdgpu_irq_add_id(adev, 241, &adev->sdma.illegal_inst_irq); |
aaa36a97 AD |
1170 | if (r) |
1171 | return r; | |
1172 | ||
1173 | /* SDMA Privileged inst */ | |
c113ea1c | 1174 | r = amdgpu_irq_add_id(adev, 247, &adev->sdma.illegal_inst_irq); |
aaa36a97 AD |
1175 | if (r) |
1176 | return r; | |
1177 | ||
1178 | r = sdma_v3_0_init_microcode(adev); | |
1179 | if (r) { | |
1180 | DRM_ERROR("Failed to load sdma firmware!\n"); | |
1181 | return r; | |
1182 | } | |
1183 | ||
c113ea1c AD |
1184 | for (i = 0; i < adev->sdma.num_instances; i++) { |
1185 | ring = &adev->sdma.instance[i].ring; | |
1186 | ring->ring_obj = NULL; | |
1187 | ring->use_doorbell = true; | |
1188 | ring->doorbell_index = (i == 0) ? | |
1189 | AMDGPU_DOORBELL_sDMA_ENGINE0 : AMDGPU_DOORBELL_sDMA_ENGINE1; | |
1190 | ||
1191 | sprintf(ring->name, "sdma%d", i); | |
b38d99c4 | 1192 | r = amdgpu_ring_init(adev, ring, 1024, |
c113ea1c AD |
1193 | SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP), 0xf, |
1194 | &adev->sdma.trap_irq, | |
1195 | (i == 0) ? | |
1196 | AMDGPU_SDMA_IRQ_TRAP0 : AMDGPU_SDMA_IRQ_TRAP1, | |
1197 | AMDGPU_RING_TYPE_SDMA); | |
1198 | if (r) | |
1199 | return r; | |
1200 | } | |
aaa36a97 AD |
1201 | |
1202 | return r; | |
1203 | } | |
1204 | ||
5fc3aeeb | 1205 | static int sdma_v3_0_sw_fini(void *handle) |
aaa36a97 | 1206 | { |
5fc3aeeb | 1207 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
c113ea1c | 1208 | int i; |
5fc3aeeb | 1209 | |
c113ea1c AD |
1210 | for (i = 0; i < adev->sdma.num_instances; i++) |
1211 | amdgpu_ring_fini(&adev->sdma.instance[i].ring); | |
aaa36a97 | 1212 | |
14d83e78 | 1213 | sdma_v3_0_free_microcode(adev); |
aaa36a97 AD |
1214 | return 0; |
1215 | } | |
1216 | ||
5fc3aeeb | 1217 | static int sdma_v3_0_hw_init(void *handle) |
aaa36a97 AD |
1218 | { |
1219 | int r; | |
5fc3aeeb | 1220 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1221 | |
1222 | sdma_v3_0_init_golden_registers(adev); | |
1223 | ||
1224 | r = sdma_v3_0_start(adev); | |
1225 | if (r) | |
1226 | return r; | |
1227 | ||
1228 | return r; | |
1229 | } | |
1230 | ||
5fc3aeeb | 1231 | static int sdma_v3_0_hw_fini(void *handle) |
aaa36a97 | 1232 | { |
5fc3aeeb | 1233 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
1234 | ||
cd06bf68 | 1235 | sdma_v3_0_ctx_switch_enable(adev, false); |
aaa36a97 AD |
1236 | sdma_v3_0_enable(adev, false); |
1237 | ||
1238 | return 0; | |
1239 | } | |
1240 | ||
5fc3aeeb | 1241 | static int sdma_v3_0_suspend(void *handle) |
aaa36a97 | 1242 | { |
5fc3aeeb | 1243 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1244 | |
1245 | return sdma_v3_0_hw_fini(adev); | |
1246 | } | |
1247 | ||
5fc3aeeb | 1248 | static int sdma_v3_0_resume(void *handle) |
aaa36a97 | 1249 | { |
5fc3aeeb | 1250 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1251 | |
1252 | return sdma_v3_0_hw_init(adev); | |
1253 | } | |
1254 | ||
5fc3aeeb | 1255 | static bool sdma_v3_0_is_idle(void *handle) |
aaa36a97 | 1256 | { |
5fc3aeeb | 1257 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1258 | u32 tmp = RREG32(mmSRBM_STATUS2); |
1259 | ||
1260 | if (tmp & (SRBM_STATUS2__SDMA_BUSY_MASK | | |
1261 | SRBM_STATUS2__SDMA1_BUSY_MASK)) | |
1262 | return false; | |
1263 | ||
1264 | return true; | |
1265 | } | |
1266 | ||
5fc3aeeb | 1267 | static int sdma_v3_0_wait_for_idle(void *handle) |
aaa36a97 AD |
1268 | { |
1269 | unsigned i; | |
1270 | u32 tmp; | |
5fc3aeeb | 1271 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1272 | |
1273 | for (i = 0; i < adev->usec_timeout; i++) { | |
1274 | tmp = RREG32(mmSRBM_STATUS2) & (SRBM_STATUS2__SDMA_BUSY_MASK | | |
1275 | SRBM_STATUS2__SDMA1_BUSY_MASK); | |
1276 | ||
1277 | if (!tmp) | |
1278 | return 0; | |
1279 | udelay(1); | |
1280 | } | |
1281 | return -ETIMEDOUT; | |
1282 | } | |
1283 | ||
e702a680 | 1284 | static int sdma_v3_0_check_soft_reset(void *handle) |
aaa36a97 | 1285 | { |
5fc3aeeb | 1286 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
e702a680 | 1287 | u32 srbm_soft_reset = 0; |
aaa36a97 AD |
1288 | u32 tmp = RREG32(mmSRBM_STATUS2); |
1289 | ||
e702a680 CZ |
1290 | if ((tmp & SRBM_STATUS2__SDMA_BUSY_MASK) || |
1291 | (tmp & SRBM_STATUS2__SDMA1_BUSY_MASK)) { | |
aaa36a97 | 1292 | srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_SDMA_MASK; |
aaa36a97 AD |
1293 | srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_SDMA1_MASK; |
1294 | } | |
1295 | ||
e702a680 CZ |
1296 | if (srbm_soft_reset) { |
1297 | adev->ip_block_status[AMD_IP_BLOCK_TYPE_SDMA].hang = true; | |
1298 | adev->sdma.srbm_soft_reset = srbm_soft_reset; | |
1299 | } else { | |
1300 | adev->ip_block_status[AMD_IP_BLOCK_TYPE_SDMA].hang = false; | |
1301 | adev->sdma.srbm_soft_reset = 0; | |
1302 | } | |
1303 | ||
1304 | return 0; | |
1305 | } | |
1306 | ||
1307 | static int sdma_v3_0_pre_soft_reset(void *handle) | |
1308 | { | |
1309 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; | |
1310 | u32 srbm_soft_reset = 0; | |
1311 | ||
1312 | if (!adev->ip_block_status[AMD_IP_BLOCK_TYPE_SDMA].hang) | |
1313 | return 0; | |
1314 | ||
1315 | srbm_soft_reset = adev->sdma.srbm_soft_reset; | |
1316 | ||
1317 | if (REG_GET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_SDMA) || | |
1318 | REG_GET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_SDMA1)) { | |
1319 | sdma_v3_0_ctx_switch_enable(adev, false); | |
1320 | sdma_v3_0_enable(adev, false); | |
1321 | } | |
1322 | ||
1323 | return 0; | |
1324 | } | |
1325 | ||
1326 | static int sdma_v3_0_post_soft_reset(void *handle) | |
1327 | { | |
1328 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; | |
1329 | u32 srbm_soft_reset = 0; | |
1330 | ||
1331 | if (!adev->ip_block_status[AMD_IP_BLOCK_TYPE_SDMA].hang) | |
1332 | return 0; | |
1333 | ||
1334 | srbm_soft_reset = adev->sdma.srbm_soft_reset; | |
1335 | ||
1336 | if (REG_GET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_SDMA) || | |
1337 | REG_GET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_SDMA1)) { | |
1338 | sdma_v3_0_gfx_resume(adev); | |
1339 | sdma_v3_0_rlc_resume(adev); | |
1340 | } | |
1341 | ||
1342 | return 0; | |
1343 | } | |
1344 | ||
1345 | static int sdma_v3_0_soft_reset(void *handle) | |
1346 | { | |
1347 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; | |
1348 | u32 srbm_soft_reset = 0; | |
1349 | u32 tmp; | |
1350 | ||
1351 | if (!adev->ip_block_status[AMD_IP_BLOCK_TYPE_SDMA].hang) | |
1352 | return 0; | |
1353 | ||
1354 | srbm_soft_reset = adev->sdma.srbm_soft_reset; | |
1355 | ||
aaa36a97 | 1356 | if (srbm_soft_reset) { |
aaa36a97 AD |
1357 | tmp = RREG32(mmSRBM_SOFT_RESET); |
1358 | tmp |= srbm_soft_reset; | |
1359 | dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); | |
1360 | WREG32(mmSRBM_SOFT_RESET, tmp); | |
1361 | tmp = RREG32(mmSRBM_SOFT_RESET); | |
1362 | ||
1363 | udelay(50); | |
1364 | ||
1365 | tmp &= ~srbm_soft_reset; | |
1366 | WREG32(mmSRBM_SOFT_RESET, tmp); | |
1367 | tmp = RREG32(mmSRBM_SOFT_RESET); | |
1368 | ||
1369 | /* Wait a little for things to settle down */ | |
1370 | udelay(50); | |
aaa36a97 AD |
1371 | } |
1372 | ||
1373 | return 0; | |
1374 | } | |
1375 | ||
1376 | static int sdma_v3_0_set_trap_irq_state(struct amdgpu_device *adev, | |
1377 | struct amdgpu_irq_src *source, | |
1378 | unsigned type, | |
1379 | enum amdgpu_interrupt_state state) | |
1380 | { | |
1381 | u32 sdma_cntl; | |
1382 | ||
1383 | switch (type) { | |
1384 | case AMDGPU_SDMA_IRQ_TRAP0: | |
1385 | switch (state) { | |
1386 | case AMDGPU_IRQ_STATE_DISABLE: | |
1387 | sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET); | |
1388 | sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 0); | |
1389 | WREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET, sdma_cntl); | |
1390 | break; | |
1391 | case AMDGPU_IRQ_STATE_ENABLE: | |
1392 | sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET); | |
1393 | sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 1); | |
1394 | WREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET, sdma_cntl); | |
1395 | break; | |
1396 | default: | |
1397 | break; | |
1398 | } | |
1399 | break; | |
1400 | case AMDGPU_SDMA_IRQ_TRAP1: | |
1401 | switch (state) { | |
1402 | case AMDGPU_IRQ_STATE_DISABLE: | |
1403 | sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET); | |
1404 | sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 0); | |
1405 | WREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET, sdma_cntl); | |
1406 | break; | |
1407 | case AMDGPU_IRQ_STATE_ENABLE: | |
1408 | sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET); | |
1409 | sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 1); | |
1410 | WREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET, sdma_cntl); | |
1411 | break; | |
1412 | default: | |
1413 | break; | |
1414 | } | |
1415 | break; | |
1416 | default: | |
1417 | break; | |
1418 | } | |
1419 | return 0; | |
1420 | } | |
1421 | ||
1422 | static int sdma_v3_0_process_trap_irq(struct amdgpu_device *adev, | |
1423 | struct amdgpu_irq_src *source, | |
1424 | struct amdgpu_iv_entry *entry) | |
1425 | { | |
1426 | u8 instance_id, queue_id; | |
1427 | ||
1428 | instance_id = (entry->ring_id & 0x3) >> 0; | |
1429 | queue_id = (entry->ring_id & 0xc) >> 2; | |
1430 | DRM_DEBUG("IH: SDMA trap\n"); | |
1431 | switch (instance_id) { | |
1432 | case 0: | |
1433 | switch (queue_id) { | |
1434 | case 0: | |
c113ea1c | 1435 | amdgpu_fence_process(&adev->sdma.instance[0].ring); |
aaa36a97 AD |
1436 | break; |
1437 | case 1: | |
1438 | /* XXX compute */ | |
1439 | break; | |
1440 | case 2: | |
1441 | /* XXX compute */ | |
1442 | break; | |
1443 | } | |
1444 | break; | |
1445 | case 1: | |
1446 | switch (queue_id) { | |
1447 | case 0: | |
c113ea1c | 1448 | amdgpu_fence_process(&adev->sdma.instance[1].ring); |
aaa36a97 AD |
1449 | break; |
1450 | case 1: | |
1451 | /* XXX compute */ | |
1452 | break; | |
1453 | case 2: | |
1454 | /* XXX compute */ | |
1455 | break; | |
1456 | } | |
1457 | break; | |
1458 | } | |
1459 | return 0; | |
1460 | } | |
1461 | ||
1462 | static int sdma_v3_0_process_illegal_inst_irq(struct amdgpu_device *adev, | |
1463 | struct amdgpu_irq_src *source, | |
1464 | struct amdgpu_iv_entry *entry) | |
1465 | { | |
1466 | DRM_ERROR("Illegal instruction in SDMA command stream\n"); | |
1467 | schedule_work(&adev->reset_work); | |
1468 | return 0; | |
1469 | } | |
1470 | ||
ce22362b | 1471 | static void sdma_v3_0_update_sdma_medium_grain_clock_gating( |
3c997d24 EH |
1472 | struct amdgpu_device *adev, |
1473 | bool enable) | |
1474 | { | |
1475 | uint32_t temp, data; | |
ce22362b | 1476 | int i; |
3c997d24 | 1477 | |
e08d53cb | 1478 | if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG)) { |
ce22362b AD |
1479 | for (i = 0; i < adev->sdma.num_instances; i++) { |
1480 | temp = data = RREG32(mmSDMA0_CLK_CTRL + sdma_offsets[i]); | |
1481 | data &= ~(SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK | | |
1482 | SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK | | |
1483 | SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK | | |
1484 | SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK | | |
1485 | SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK | | |
1486 | SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK | | |
1487 | SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK | | |
1488 | SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK); | |
1489 | if (data != temp) | |
1490 | WREG32(mmSDMA0_CLK_CTRL + sdma_offsets[i], data); | |
1491 | } | |
3c997d24 | 1492 | } else { |
ce22362b AD |
1493 | for (i = 0; i < adev->sdma.num_instances; i++) { |
1494 | temp = data = RREG32(mmSDMA0_CLK_CTRL + sdma_offsets[i]); | |
1495 | data |= SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK | | |
3c997d24 EH |
1496 | SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK | |
1497 | SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK | | |
1498 | SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK | | |
1499 | SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK | | |
1500 | SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK | | |
1501 | SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK | | |
1502 | SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK; | |
1503 | ||
ce22362b AD |
1504 | if (data != temp) |
1505 | WREG32(mmSDMA0_CLK_CTRL + sdma_offsets[i], data); | |
1506 | } | |
3c997d24 EH |
1507 | } |
1508 | } | |
1509 | ||
ce22362b | 1510 | static void sdma_v3_0_update_sdma_medium_grain_light_sleep( |
3c997d24 EH |
1511 | struct amdgpu_device *adev, |
1512 | bool enable) | |
1513 | { | |
1514 | uint32_t temp, data; | |
ce22362b | 1515 | int i; |
3c997d24 | 1516 | |
e08d53cb | 1517 | if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS)) { |
ce22362b AD |
1518 | for (i = 0; i < adev->sdma.num_instances; i++) { |
1519 | temp = data = RREG32(mmSDMA0_POWER_CNTL + sdma_offsets[i]); | |
1520 | data |= SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK; | |
3c997d24 | 1521 | |
ce22362b AD |
1522 | if (temp != data) |
1523 | WREG32(mmSDMA0_POWER_CNTL + sdma_offsets[i], data); | |
1524 | } | |
3c997d24 | 1525 | } else { |
ce22362b AD |
1526 | for (i = 0; i < adev->sdma.num_instances; i++) { |
1527 | temp = data = RREG32(mmSDMA0_POWER_CNTL + sdma_offsets[i]); | |
1528 | data &= ~SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK; | |
3c997d24 | 1529 | |
ce22362b AD |
1530 | if (temp != data) |
1531 | WREG32(mmSDMA0_POWER_CNTL + sdma_offsets[i], data); | |
1532 | } | |
3c997d24 EH |
1533 | } |
1534 | } | |
1535 | ||
5fc3aeeb | 1536 | static int sdma_v3_0_set_clockgating_state(void *handle, |
1537 | enum amd_clockgating_state state) | |
aaa36a97 | 1538 | { |
3c997d24 EH |
1539 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
1540 | ||
1541 | switch (adev->asic_type) { | |
1542 | case CHIP_FIJI: | |
ce22362b AD |
1543 | case CHIP_CARRIZO: |
1544 | case CHIP_STONEY: | |
1545 | sdma_v3_0_update_sdma_medium_grain_clock_gating(adev, | |
3c997d24 | 1546 | state == AMD_CG_STATE_GATE ? true : false); |
ce22362b | 1547 | sdma_v3_0_update_sdma_medium_grain_light_sleep(adev, |
3c997d24 EH |
1548 | state == AMD_CG_STATE_GATE ? true : false); |
1549 | break; | |
1550 | default: | |
1551 | break; | |
1552 | } | |
aaa36a97 AD |
1553 | return 0; |
1554 | } | |
1555 | ||
5fc3aeeb | 1556 | static int sdma_v3_0_set_powergating_state(void *handle, |
1557 | enum amd_powergating_state state) | |
aaa36a97 AD |
1558 | { |
1559 | return 0; | |
1560 | } | |
1561 | ||
5fc3aeeb | 1562 | const struct amd_ip_funcs sdma_v3_0_ip_funcs = { |
88a907d6 | 1563 | .name = "sdma_v3_0", |
aaa36a97 AD |
1564 | .early_init = sdma_v3_0_early_init, |
1565 | .late_init = NULL, | |
1566 | .sw_init = sdma_v3_0_sw_init, | |
1567 | .sw_fini = sdma_v3_0_sw_fini, | |
1568 | .hw_init = sdma_v3_0_hw_init, | |
1569 | .hw_fini = sdma_v3_0_hw_fini, | |
1570 | .suspend = sdma_v3_0_suspend, | |
1571 | .resume = sdma_v3_0_resume, | |
1572 | .is_idle = sdma_v3_0_is_idle, | |
1573 | .wait_for_idle = sdma_v3_0_wait_for_idle, | |
e702a680 CZ |
1574 | .check_soft_reset = sdma_v3_0_check_soft_reset, |
1575 | .pre_soft_reset = sdma_v3_0_pre_soft_reset, | |
1576 | .post_soft_reset = sdma_v3_0_post_soft_reset, | |
aaa36a97 | 1577 | .soft_reset = sdma_v3_0_soft_reset, |
aaa36a97 AD |
1578 | .set_clockgating_state = sdma_v3_0_set_clockgating_state, |
1579 | .set_powergating_state = sdma_v3_0_set_powergating_state, | |
1580 | }; | |
1581 | ||
aaa36a97 AD |
1582 | static const struct amdgpu_ring_funcs sdma_v3_0_ring_funcs = { |
1583 | .get_rptr = sdma_v3_0_ring_get_rptr, | |
1584 | .get_wptr = sdma_v3_0_ring_get_wptr, | |
1585 | .set_wptr = sdma_v3_0_ring_set_wptr, | |
1586 | .parse_cs = NULL, | |
1587 | .emit_ib = sdma_v3_0_ring_emit_ib, | |
1588 | .emit_fence = sdma_v3_0_ring_emit_fence, | |
00b7c4ff | 1589 | .emit_pipeline_sync = sdma_v3_0_ring_emit_pipeline_sync, |
aaa36a97 | 1590 | .emit_vm_flush = sdma_v3_0_ring_emit_vm_flush, |
d2edb07b | 1591 | .emit_hdp_flush = sdma_v3_0_ring_emit_hdp_flush, |
cc958e67 | 1592 | .emit_hdp_invalidate = sdma_v3_0_ring_emit_hdp_invalidate, |
aaa36a97 AD |
1593 | .test_ring = sdma_v3_0_ring_test_ring, |
1594 | .test_ib = sdma_v3_0_ring_test_ib, | |
ac01db3d | 1595 | .insert_nop = sdma_v3_0_ring_insert_nop, |
9e5d5309 | 1596 | .pad_ib = sdma_v3_0_ring_pad_ib, |
aaa36a97 AD |
1597 | }; |
1598 | ||
1599 | static void sdma_v3_0_set_ring_funcs(struct amdgpu_device *adev) | |
1600 | { | |
c113ea1c AD |
1601 | int i; |
1602 | ||
1603 | for (i = 0; i < adev->sdma.num_instances; i++) | |
1604 | adev->sdma.instance[i].ring.funcs = &sdma_v3_0_ring_funcs; | |
aaa36a97 AD |
1605 | } |
1606 | ||
1607 | static const struct amdgpu_irq_src_funcs sdma_v3_0_trap_irq_funcs = { | |
1608 | .set = sdma_v3_0_set_trap_irq_state, | |
1609 | .process = sdma_v3_0_process_trap_irq, | |
1610 | }; | |
1611 | ||
1612 | static const struct amdgpu_irq_src_funcs sdma_v3_0_illegal_inst_irq_funcs = { | |
1613 | .process = sdma_v3_0_process_illegal_inst_irq, | |
1614 | }; | |
1615 | ||
1616 | static void sdma_v3_0_set_irq_funcs(struct amdgpu_device *adev) | |
1617 | { | |
c113ea1c AD |
1618 | adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_LAST; |
1619 | adev->sdma.trap_irq.funcs = &sdma_v3_0_trap_irq_funcs; | |
1620 | adev->sdma.illegal_inst_irq.funcs = &sdma_v3_0_illegal_inst_irq_funcs; | |
aaa36a97 AD |
1621 | } |
1622 | ||
1623 | /** | |
1624 | * sdma_v3_0_emit_copy_buffer - copy buffer using the sDMA engine | |
1625 | * | |
1626 | * @ring: amdgpu_ring structure holding ring information | |
1627 | * @src_offset: src GPU address | |
1628 | * @dst_offset: dst GPU address | |
1629 | * @byte_count: number of bytes to xfer | |
1630 | * | |
1631 | * Copy GPU buffers using the DMA engine (VI). | |
1632 | * Used by the amdgpu ttm implementation to move pages if | |
1633 | * registered as the asic copy callback. | |
1634 | */ | |
c7ae72c0 | 1635 | static void sdma_v3_0_emit_copy_buffer(struct amdgpu_ib *ib, |
aaa36a97 AD |
1636 | uint64_t src_offset, |
1637 | uint64_t dst_offset, | |
1638 | uint32_t byte_count) | |
1639 | { | |
c7ae72c0 CZ |
1640 | ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) | |
1641 | SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR); | |
1642 | ib->ptr[ib->length_dw++] = byte_count; | |
1643 | ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ | |
1644 | ib->ptr[ib->length_dw++] = lower_32_bits(src_offset); | |
1645 | ib->ptr[ib->length_dw++] = upper_32_bits(src_offset); | |
1646 | ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); | |
1647 | ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); | |
aaa36a97 AD |
1648 | } |
1649 | ||
1650 | /** | |
1651 | * sdma_v3_0_emit_fill_buffer - fill buffer using the sDMA engine | |
1652 | * | |
1653 | * @ring: amdgpu_ring structure holding ring information | |
1654 | * @src_data: value to write to buffer | |
1655 | * @dst_offset: dst GPU address | |
1656 | * @byte_count: number of bytes to xfer | |
1657 | * | |
1658 | * Fill GPU buffers using the DMA engine (VI). | |
1659 | */ | |
6e7a3840 | 1660 | static void sdma_v3_0_emit_fill_buffer(struct amdgpu_ib *ib, |
aaa36a97 AD |
1661 | uint32_t src_data, |
1662 | uint64_t dst_offset, | |
1663 | uint32_t byte_count) | |
1664 | { | |
6e7a3840 CZ |
1665 | ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_CONST_FILL); |
1666 | ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); | |
1667 | ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); | |
1668 | ib->ptr[ib->length_dw++] = src_data; | |
1669 | ib->ptr[ib->length_dw++] = byte_count; | |
aaa36a97 AD |
1670 | } |
1671 | ||
1672 | static const struct amdgpu_buffer_funcs sdma_v3_0_buffer_funcs = { | |
1673 | .copy_max_bytes = 0x1fffff, | |
1674 | .copy_num_dw = 7, | |
1675 | .emit_copy_buffer = sdma_v3_0_emit_copy_buffer, | |
1676 | ||
1677 | .fill_max_bytes = 0x1fffff, | |
1678 | .fill_num_dw = 5, | |
1679 | .emit_fill_buffer = sdma_v3_0_emit_fill_buffer, | |
1680 | }; | |
1681 | ||
1682 | static void sdma_v3_0_set_buffer_funcs(struct amdgpu_device *adev) | |
1683 | { | |
1684 | if (adev->mman.buffer_funcs == NULL) { | |
1685 | adev->mman.buffer_funcs = &sdma_v3_0_buffer_funcs; | |
c113ea1c | 1686 | adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring; |
aaa36a97 AD |
1687 | } |
1688 | } | |
1689 | ||
1690 | static const struct amdgpu_vm_pte_funcs sdma_v3_0_vm_pte_funcs = { | |
1691 | .copy_pte = sdma_v3_0_vm_copy_pte, | |
1692 | .write_pte = sdma_v3_0_vm_write_pte, | |
1693 | .set_pte_pde = sdma_v3_0_vm_set_pte_pde, | |
aaa36a97 AD |
1694 | }; |
1695 | ||
1696 | static void sdma_v3_0_set_vm_pte_funcs(struct amdgpu_device *adev) | |
1697 | { | |
2d55e45a CK |
1698 | unsigned i; |
1699 | ||
aaa36a97 AD |
1700 | if (adev->vm_manager.vm_pte_funcs == NULL) { |
1701 | adev->vm_manager.vm_pte_funcs = &sdma_v3_0_vm_pte_funcs; | |
2d55e45a CK |
1702 | for (i = 0; i < adev->sdma.num_instances; i++) |
1703 | adev->vm_manager.vm_pte_rings[i] = | |
1704 | &adev->sdma.instance[i].ring; | |
1705 | ||
1706 | adev->vm_manager.vm_pte_num_rings = adev->sdma.num_instances; | |
aaa36a97 AD |
1707 | } |
1708 | } |