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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_2_4_d.h" | |
33 | #include "oss/oss_2_4_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 "iceland_sdma_pkt_open.h" | |
46 | ||
47 | static void sdma_v2_4_set_ring_funcs(struct amdgpu_device *adev); | |
48 | static void sdma_v2_4_set_buffer_funcs(struct amdgpu_device *adev); | |
49 | static void sdma_v2_4_set_vm_pte_funcs(struct amdgpu_device *adev); | |
50 | static void sdma_v2_4_set_irq_funcs(struct amdgpu_device *adev); | |
51 | ||
c65444fe JZ |
52 | MODULE_FIRMWARE("amdgpu/topaz_sdma.bin"); |
53 | MODULE_FIRMWARE("amdgpu/topaz_sdma1.bin"); | |
aaa36a97 AD |
54 | |
55 | static const u32 sdma_offsets[SDMA_MAX_INSTANCE] = | |
56 | { | |
57 | SDMA0_REGISTER_OFFSET, | |
58 | SDMA1_REGISTER_OFFSET | |
59 | }; | |
60 | ||
61 | static const u32 golden_settings_iceland_a11[] = | |
62 | { | |
63 | mmSDMA0_CHICKEN_BITS, 0xfc910007, 0x00810007, | |
64 | mmSDMA0_CLK_CTRL, 0xff000fff, 0x00000000, | |
65 | mmSDMA1_CHICKEN_BITS, 0xfc910007, 0x00810007, | |
66 | mmSDMA1_CLK_CTRL, 0xff000fff, 0x00000000, | |
67 | }; | |
68 | ||
69 | static const u32 iceland_mgcg_cgcg_init[] = | |
70 | { | |
71 | mmSDMA0_CLK_CTRL, 0xff000ff0, 0x00000100, | |
72 | mmSDMA1_CLK_CTRL, 0xff000ff0, 0x00000100 | |
73 | }; | |
74 | ||
75 | /* | |
76 | * sDMA - System DMA | |
77 | * Starting with CIK, the GPU has new asynchronous | |
78 | * DMA engines. These engines are used for compute | |
79 | * and gfx. There are two DMA engines (SDMA0, SDMA1) | |
80 | * and each one supports 1 ring buffer used for gfx | |
81 | * and 2 queues used for compute. | |
82 | * | |
83 | * The programming model is very similar to the CP | |
84 | * (ring buffer, IBs, etc.), but sDMA has it's own | |
85 | * packet format that is different from the PM4 format | |
86 | * used by the CP. sDMA supports copying data, writing | |
87 | * embedded data, solid fills, and a number of other | |
88 | * things. It also has support for tiling/detiling of | |
89 | * buffers. | |
90 | */ | |
91 | ||
92 | static void sdma_v2_4_init_golden_registers(struct amdgpu_device *adev) | |
93 | { | |
94 | switch (adev->asic_type) { | |
95 | case CHIP_TOPAZ: | |
96 | amdgpu_program_register_sequence(adev, | |
97 | iceland_mgcg_cgcg_init, | |
98 | (const u32)ARRAY_SIZE(iceland_mgcg_cgcg_init)); | |
99 | amdgpu_program_register_sequence(adev, | |
100 | golden_settings_iceland_a11, | |
101 | (const u32)ARRAY_SIZE(golden_settings_iceland_a11)); | |
102 | break; | |
103 | default: | |
104 | break; | |
105 | } | |
106 | } | |
107 | ||
108 | /** | |
109 | * sdma_v2_4_init_microcode - load ucode images from disk | |
110 | * | |
111 | * @adev: amdgpu_device pointer | |
112 | * | |
113 | * Use the firmware interface to load the ucode images into | |
114 | * the driver (not loaded into hw). | |
115 | * Returns 0 on success, error on failure. | |
116 | */ | |
117 | static int sdma_v2_4_init_microcode(struct amdgpu_device *adev) | |
118 | { | |
119 | const char *chip_name; | |
120 | char fw_name[30]; | |
121 | int err, i; | |
122 | struct amdgpu_firmware_info *info = NULL; | |
123 | const struct common_firmware_header *header = NULL; | |
595fd013 | 124 | const struct sdma_firmware_header_v1_0 *hdr; |
aaa36a97 AD |
125 | |
126 | DRM_DEBUG("\n"); | |
127 | ||
128 | switch (adev->asic_type) { | |
129 | case CHIP_TOPAZ: | |
130 | chip_name = "topaz"; | |
131 | break; | |
132 | default: BUG(); | |
133 | } | |
134 | ||
135 | for (i = 0; i < SDMA_MAX_INSTANCE; i++) { | |
136 | if (i == 0) | |
c65444fe | 137 | snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma.bin", chip_name); |
aaa36a97 | 138 | else |
c65444fe | 139 | snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma1.bin", chip_name); |
aaa36a97 AD |
140 | err = request_firmware(&adev->sdma[i].fw, fw_name, adev->dev); |
141 | if (err) | |
142 | goto out; | |
143 | err = amdgpu_ucode_validate(adev->sdma[i].fw); | |
144 | if (err) | |
145 | goto out; | |
595fd013 JZ |
146 | hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma[i].fw->data; |
147 | adev->sdma[i].fw_version = le32_to_cpu(hdr->header.ucode_version); | |
148 | adev->sdma[i].feature_version = le32_to_cpu(hdr->ucode_feature_version); | |
18111de0 JZ |
149 | if (adev->sdma[i].feature_version >= 20) |
150 | adev->sdma[i].burst_nop = true; | |
aaa36a97 AD |
151 | |
152 | if (adev->firmware.smu_load) { | |
153 | info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA0 + i]; | |
154 | info->ucode_id = AMDGPU_UCODE_ID_SDMA0 + i; | |
155 | info->fw = adev->sdma[i].fw; | |
156 | header = (const struct common_firmware_header *)info->fw->data; | |
157 | adev->firmware.fw_size += | |
158 | ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE); | |
159 | } | |
160 | } | |
161 | ||
162 | out: | |
163 | if (err) { | |
164 | printk(KERN_ERR | |
165 | "sdma_v2_4: Failed to load firmware \"%s\"\n", | |
166 | fw_name); | |
167 | for (i = 0; i < SDMA_MAX_INSTANCE; i++) { | |
168 | release_firmware(adev->sdma[i].fw); | |
169 | adev->sdma[i].fw = NULL; | |
170 | } | |
171 | } | |
172 | return err; | |
173 | } | |
174 | ||
175 | /** | |
176 | * sdma_v2_4_ring_get_rptr - get the current read pointer | |
177 | * | |
178 | * @ring: amdgpu ring pointer | |
179 | * | |
180 | * Get the current rptr from the hardware (VI+). | |
181 | */ | |
182 | static uint32_t sdma_v2_4_ring_get_rptr(struct amdgpu_ring *ring) | |
183 | { | |
184 | u32 rptr; | |
185 | ||
186 | /* XXX check if swapping is necessary on BE */ | |
187 | rptr = ring->adev->wb.wb[ring->rptr_offs] >> 2; | |
188 | ||
189 | return rptr; | |
190 | } | |
191 | ||
192 | /** | |
193 | * sdma_v2_4_ring_get_wptr - get the current write pointer | |
194 | * | |
195 | * @ring: amdgpu ring pointer | |
196 | * | |
197 | * Get the current wptr from the hardware (VI+). | |
198 | */ | |
199 | static uint32_t sdma_v2_4_ring_get_wptr(struct amdgpu_ring *ring) | |
200 | { | |
201 | struct amdgpu_device *adev = ring->adev; | |
202 | int me = (ring == &ring->adev->sdma[0].ring) ? 0 : 1; | |
203 | u32 wptr = RREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[me]) >> 2; | |
204 | ||
205 | return wptr; | |
206 | } | |
207 | ||
208 | /** | |
209 | * sdma_v2_4_ring_set_wptr - commit the write pointer | |
210 | * | |
211 | * @ring: amdgpu ring pointer | |
212 | * | |
213 | * Write the wptr back to the hardware (VI+). | |
214 | */ | |
215 | static void sdma_v2_4_ring_set_wptr(struct amdgpu_ring *ring) | |
216 | { | |
217 | struct amdgpu_device *adev = ring->adev; | |
218 | int me = (ring == &ring->adev->sdma[0].ring) ? 0 : 1; | |
219 | ||
220 | WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[me], ring->wptr << 2); | |
221 | } | |
222 | ||
ac01db3d JZ |
223 | static void sdma_v2_4_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) |
224 | { | |
225 | struct amdgpu_sdma *sdma = amdgpu_get_sdma_instance(ring); | |
226 | int i; | |
227 | ||
228 | for (i = 0; i < count; i++) | |
229 | if (sdma && sdma->burst_nop && (i == 0)) | |
230 | amdgpu_ring_write(ring, ring->nop | | |
231 | SDMA_PKT_NOP_HEADER_COUNT(count - 1)); | |
232 | else | |
233 | amdgpu_ring_write(ring, ring->nop); | |
234 | } | |
235 | ||
aaa36a97 AD |
236 | /** |
237 | * sdma_v2_4_ring_emit_ib - Schedule an IB on the DMA engine | |
238 | * | |
239 | * @ring: amdgpu ring pointer | |
240 | * @ib: IB object to schedule | |
241 | * | |
242 | * Schedule an IB in the DMA ring (VI). | |
243 | */ | |
244 | static void sdma_v2_4_ring_emit_ib(struct amdgpu_ring *ring, | |
245 | struct amdgpu_ib *ib) | |
246 | { | |
247 | u32 vmid = (ib->vm ? ib->vm->ids[ring->idx].id : 0) & 0xf; | |
248 | u32 next_rptr = ring->wptr + 5; | |
249 | ||
aaa36a97 AD |
250 | while ((next_rptr & 7) != 2) |
251 | next_rptr++; | |
252 | ||
253 | next_rptr += 6; | |
254 | ||
255 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | | |
256 | SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR)); | |
257 | amdgpu_ring_write(ring, lower_32_bits(ring->next_rptr_gpu_addr) & 0xfffffffc); | |
258 | amdgpu_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr)); | |
259 | amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(1)); | |
260 | amdgpu_ring_write(ring, next_rptr); | |
261 | ||
aaa36a97 | 262 | /* IB packet must end on a 8 DW boundary */ |
ac01db3d JZ |
263 | sdma_v2_4_ring_insert_nop(ring, (10 - (ring->wptr & 7)) % 8); |
264 | ||
aaa36a97 AD |
265 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_INDIRECT) | |
266 | SDMA_PKT_INDIRECT_HEADER_VMID(vmid)); | |
267 | /* base must be 32 byte aligned */ | |
268 | amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr) & 0xffffffe0); | |
269 | amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); | |
270 | amdgpu_ring_write(ring, ib->length_dw); | |
271 | amdgpu_ring_write(ring, 0); | |
272 | amdgpu_ring_write(ring, 0); | |
273 | ||
274 | } | |
275 | ||
276 | /** | |
277 | * sdma_v2_4_hdp_flush_ring_emit - emit an hdp flush on the DMA ring | |
278 | * | |
279 | * @ring: amdgpu ring pointer | |
280 | * | |
281 | * Emit an hdp flush packet on the requested DMA ring. | |
282 | */ | |
d2edb07b | 283 | static void sdma_v2_4_ring_emit_hdp_flush(struct amdgpu_ring *ring) |
aaa36a97 AD |
284 | { |
285 | u32 ref_and_mask = 0; | |
286 | ||
287 | if (ring == &ring->adev->sdma[0].ring) | |
288 | ref_and_mask = REG_SET_FIELD(ref_and_mask, GPU_HDP_FLUSH_DONE, SDMA0, 1); | |
289 | else | |
290 | ref_and_mask = REG_SET_FIELD(ref_and_mask, GPU_HDP_FLUSH_DONE, SDMA1, 1); | |
291 | ||
292 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | | |
293 | SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(1) | | |
294 | SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */ | |
295 | amdgpu_ring_write(ring, mmGPU_HDP_FLUSH_DONE << 2); | |
296 | amdgpu_ring_write(ring, mmGPU_HDP_FLUSH_REQ << 2); | |
297 | amdgpu_ring_write(ring, ref_and_mask); /* reference */ | |
298 | amdgpu_ring_write(ring, ref_and_mask); /* mask */ | |
299 | amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | | |
300 | SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */ | |
301 | } | |
302 | ||
303 | /** | |
304 | * sdma_v2_4_ring_emit_fence - emit a fence on the DMA ring | |
305 | * | |
306 | * @ring: amdgpu ring pointer | |
307 | * @fence: amdgpu fence object | |
308 | * | |
309 | * Add a DMA fence packet to the ring to write | |
310 | * the fence seq number and DMA trap packet to generate | |
311 | * an interrupt if needed (VI). | |
312 | */ | |
313 | static void sdma_v2_4_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, | |
890ee23f | 314 | unsigned flags) |
aaa36a97 | 315 | { |
890ee23f | 316 | bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT; |
aaa36a97 AD |
317 | /* write the fence */ |
318 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE)); | |
319 | amdgpu_ring_write(ring, lower_32_bits(addr)); | |
320 | amdgpu_ring_write(ring, upper_32_bits(addr)); | |
321 | amdgpu_ring_write(ring, lower_32_bits(seq)); | |
322 | ||
323 | /* optionally write high bits as well */ | |
890ee23f | 324 | if (write64bit) { |
aaa36a97 AD |
325 | addr += 4; |
326 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE)); | |
327 | amdgpu_ring_write(ring, lower_32_bits(addr)); | |
328 | amdgpu_ring_write(ring, upper_32_bits(addr)); | |
329 | amdgpu_ring_write(ring, upper_32_bits(seq)); | |
330 | } | |
331 | ||
332 | /* generate an interrupt */ | |
333 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_TRAP)); | |
334 | amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(0)); | |
335 | } | |
336 | ||
337 | /** | |
338 | * sdma_v2_4_ring_emit_semaphore - emit a semaphore on the dma ring | |
339 | * | |
340 | * @ring: amdgpu_ring structure holding ring information | |
341 | * @semaphore: amdgpu semaphore object | |
342 | * @emit_wait: wait or signal semaphore | |
343 | * | |
344 | * Add a DMA semaphore packet to the ring wait on or signal | |
345 | * other rings (VI). | |
346 | */ | |
347 | static bool sdma_v2_4_ring_emit_semaphore(struct amdgpu_ring *ring, | |
348 | struct amdgpu_semaphore *semaphore, | |
349 | bool emit_wait) | |
350 | { | |
351 | u64 addr = semaphore->gpu_addr; | |
352 | u32 sig = emit_wait ? 0 : 1; | |
353 | ||
354 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SEM) | | |
355 | SDMA_PKT_SEMAPHORE_HEADER_SIGNAL(sig)); | |
356 | amdgpu_ring_write(ring, lower_32_bits(addr) & 0xfffffff8); | |
357 | amdgpu_ring_write(ring, upper_32_bits(addr)); | |
358 | ||
359 | return true; | |
360 | } | |
361 | ||
362 | /** | |
363 | * sdma_v2_4_gfx_stop - stop the gfx async dma engines | |
364 | * | |
365 | * @adev: amdgpu_device pointer | |
366 | * | |
367 | * Stop the gfx async dma ring buffers (VI). | |
368 | */ | |
369 | static void sdma_v2_4_gfx_stop(struct amdgpu_device *adev) | |
370 | { | |
371 | struct amdgpu_ring *sdma0 = &adev->sdma[0].ring; | |
372 | struct amdgpu_ring *sdma1 = &adev->sdma[1].ring; | |
373 | u32 rb_cntl, ib_cntl; | |
374 | int i; | |
375 | ||
376 | if ((adev->mman.buffer_funcs_ring == sdma0) || | |
377 | (adev->mman.buffer_funcs_ring == sdma1)) | |
378 | amdgpu_ttm_set_active_vram_size(adev, adev->mc.visible_vram_size); | |
379 | ||
380 | for (i = 0; i < SDMA_MAX_INSTANCE; i++) { | |
381 | rb_cntl = RREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i]); | |
382 | rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 0); | |
383 | WREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i], rb_cntl); | |
384 | ib_cntl = RREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i]); | |
385 | ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0); | |
386 | WREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i], ib_cntl); | |
387 | } | |
388 | sdma0->ready = false; | |
389 | sdma1->ready = false; | |
390 | } | |
391 | ||
392 | /** | |
393 | * sdma_v2_4_rlc_stop - stop the compute async dma engines | |
394 | * | |
395 | * @adev: amdgpu_device pointer | |
396 | * | |
397 | * Stop the compute async dma queues (VI). | |
398 | */ | |
399 | static void sdma_v2_4_rlc_stop(struct amdgpu_device *adev) | |
400 | { | |
401 | /* XXX todo */ | |
402 | } | |
403 | ||
404 | /** | |
405 | * sdma_v2_4_enable - stop the async dma engines | |
406 | * | |
407 | * @adev: amdgpu_device pointer | |
408 | * @enable: enable/disable the DMA MEs. | |
409 | * | |
410 | * Halt or unhalt the async dma engines (VI). | |
411 | */ | |
412 | static void sdma_v2_4_enable(struct amdgpu_device *adev, bool enable) | |
413 | { | |
414 | u32 f32_cntl; | |
415 | int i; | |
416 | ||
417 | if (enable == false) { | |
418 | sdma_v2_4_gfx_stop(adev); | |
419 | sdma_v2_4_rlc_stop(adev); | |
420 | } | |
421 | ||
422 | for (i = 0; i < SDMA_MAX_INSTANCE; i++) { | |
423 | f32_cntl = RREG32(mmSDMA0_F32_CNTL + sdma_offsets[i]); | |
424 | if (enable) | |
425 | f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, 0); | |
426 | else | |
427 | f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, 1); | |
428 | WREG32(mmSDMA0_F32_CNTL + sdma_offsets[i], f32_cntl); | |
429 | } | |
430 | } | |
431 | ||
432 | /** | |
433 | * sdma_v2_4_gfx_resume - setup and start the async dma engines | |
434 | * | |
435 | * @adev: amdgpu_device pointer | |
436 | * | |
437 | * Set up the gfx DMA ring buffers and enable them (VI). | |
438 | * Returns 0 for success, error for failure. | |
439 | */ | |
440 | static int sdma_v2_4_gfx_resume(struct amdgpu_device *adev) | |
441 | { | |
442 | struct amdgpu_ring *ring; | |
443 | u32 rb_cntl, ib_cntl; | |
444 | u32 rb_bufsz; | |
445 | u32 wb_offset; | |
446 | int i, j, r; | |
447 | ||
448 | for (i = 0; i < SDMA_MAX_INSTANCE; i++) { | |
449 | ring = &adev->sdma[i].ring; | |
450 | wb_offset = (ring->rptr_offs * 4); | |
451 | ||
452 | mutex_lock(&adev->srbm_mutex); | |
453 | for (j = 0; j < 16; j++) { | |
454 | vi_srbm_select(adev, 0, 0, 0, j); | |
455 | /* SDMA GFX */ | |
456 | WREG32(mmSDMA0_GFX_VIRTUAL_ADDR + sdma_offsets[i], 0); | |
457 | WREG32(mmSDMA0_GFX_APE1_CNTL + sdma_offsets[i], 0); | |
458 | } | |
459 | vi_srbm_select(adev, 0, 0, 0, 0); | |
460 | mutex_unlock(&adev->srbm_mutex); | |
461 | ||
462 | WREG32(mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL + sdma_offsets[i], 0); | |
463 | ||
464 | /* Set ring buffer size in dwords */ | |
465 | rb_bufsz = order_base_2(ring->ring_size / 4); | |
466 | rb_cntl = RREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i]); | |
467 | rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SIZE, rb_bufsz); | |
468 | #ifdef __BIG_ENDIAN | |
469 | rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SWAP_ENABLE, 1); | |
470 | rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, | |
471 | RPTR_WRITEBACK_SWAP_ENABLE, 1); | |
472 | #endif | |
473 | WREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i], rb_cntl); | |
474 | ||
475 | /* Initialize the ring buffer's read and write pointers */ | |
476 | WREG32(mmSDMA0_GFX_RB_RPTR + sdma_offsets[i], 0); | |
477 | WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[i], 0); | |
478 | ||
479 | /* set the wb address whether it's enabled or not */ | |
480 | WREG32(mmSDMA0_GFX_RB_RPTR_ADDR_HI + sdma_offsets[i], | |
481 | upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF); | |
482 | WREG32(mmSDMA0_GFX_RB_RPTR_ADDR_LO + sdma_offsets[i], | |
483 | lower_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC); | |
484 | ||
485 | rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1); | |
486 | ||
487 | WREG32(mmSDMA0_GFX_RB_BASE + sdma_offsets[i], ring->gpu_addr >> 8); | |
488 | WREG32(mmSDMA0_GFX_RB_BASE_HI + sdma_offsets[i], ring->gpu_addr >> 40); | |
489 | ||
490 | ring->wptr = 0; | |
491 | WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[i], ring->wptr << 2); | |
492 | ||
493 | /* enable DMA RB */ | |
494 | rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 1); | |
495 | WREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i], rb_cntl); | |
496 | ||
497 | ib_cntl = RREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i]); | |
498 | ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 1); | |
499 | #ifdef __BIG_ENDIAN | |
500 | ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_SWAP_ENABLE, 1); | |
501 | #endif | |
502 | /* enable DMA IBs */ | |
503 | WREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i], ib_cntl); | |
504 | ||
505 | ring->ready = true; | |
506 | ||
507 | r = amdgpu_ring_test_ring(ring); | |
508 | if (r) { | |
509 | ring->ready = false; | |
510 | return r; | |
511 | } | |
512 | ||
513 | if (adev->mman.buffer_funcs_ring == ring) | |
514 | amdgpu_ttm_set_active_vram_size(adev, adev->mc.real_vram_size); | |
515 | } | |
516 | ||
517 | return 0; | |
518 | } | |
519 | ||
520 | /** | |
521 | * sdma_v2_4_rlc_resume - setup and start the async dma engines | |
522 | * | |
523 | * @adev: amdgpu_device pointer | |
524 | * | |
525 | * Set up the compute DMA queues and enable them (VI). | |
526 | * Returns 0 for success, error for failure. | |
527 | */ | |
528 | static int sdma_v2_4_rlc_resume(struct amdgpu_device *adev) | |
529 | { | |
530 | /* XXX todo */ | |
531 | return 0; | |
532 | } | |
533 | ||
534 | /** | |
535 | * sdma_v2_4_load_microcode - load the sDMA ME ucode | |
536 | * | |
537 | * @adev: amdgpu_device pointer | |
538 | * | |
539 | * Loads the sDMA0/1 ucode. | |
540 | * Returns 0 for success, -EINVAL if the ucode is not available. | |
541 | */ | |
542 | static int sdma_v2_4_load_microcode(struct amdgpu_device *adev) | |
543 | { | |
544 | const struct sdma_firmware_header_v1_0 *hdr; | |
545 | const __le32 *fw_data; | |
546 | u32 fw_size; | |
547 | int i, j; | |
548 | bool smc_loads_fw = false; /* XXX fix me */ | |
549 | ||
550 | if (!adev->sdma[0].fw || !adev->sdma[1].fw) | |
551 | return -EINVAL; | |
552 | ||
553 | /* halt the MEs */ | |
554 | sdma_v2_4_enable(adev, false); | |
555 | ||
556 | if (smc_loads_fw) { | |
557 | /* XXX query SMC for fw load complete */ | |
558 | } else { | |
559 | for (i = 0; i < SDMA_MAX_INSTANCE; i++) { | |
560 | hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma[i].fw->data; | |
561 | amdgpu_ucode_print_sdma_hdr(&hdr->header); | |
562 | fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; | |
aaa36a97 AD |
563 | fw_data = (const __le32 *) |
564 | (adev->sdma[i].fw->data + | |
565 | le32_to_cpu(hdr->header.ucode_array_offset_bytes)); | |
566 | WREG32(mmSDMA0_UCODE_ADDR + sdma_offsets[i], 0); | |
567 | for (j = 0; j < fw_size; j++) | |
568 | WREG32(mmSDMA0_UCODE_DATA + sdma_offsets[i], le32_to_cpup(fw_data++)); | |
569 | WREG32(mmSDMA0_UCODE_ADDR + sdma_offsets[i], adev->sdma[i].fw_version); | |
570 | } | |
571 | } | |
572 | ||
573 | return 0; | |
574 | } | |
575 | ||
576 | /** | |
577 | * sdma_v2_4_start - setup and start the async dma engines | |
578 | * | |
579 | * @adev: amdgpu_device pointer | |
580 | * | |
581 | * Set up the DMA engines and enable them (VI). | |
582 | * Returns 0 for success, error for failure. | |
583 | */ | |
584 | static int sdma_v2_4_start(struct amdgpu_device *adev) | |
585 | { | |
586 | int r; | |
587 | ||
588 | if (!adev->firmware.smu_load) { | |
589 | r = sdma_v2_4_load_microcode(adev); | |
590 | if (r) | |
591 | return r; | |
592 | } else { | |
593 | r = adev->smu.smumgr_funcs->check_fw_load_finish(adev, | |
594 | AMDGPU_UCODE_ID_SDMA0); | |
595 | if (r) | |
596 | return -EINVAL; | |
597 | r = adev->smu.smumgr_funcs->check_fw_load_finish(adev, | |
598 | AMDGPU_UCODE_ID_SDMA1); | |
599 | if (r) | |
600 | return -EINVAL; | |
601 | } | |
602 | ||
603 | /* unhalt the MEs */ | |
604 | sdma_v2_4_enable(adev, true); | |
605 | ||
606 | /* start the gfx rings and rlc compute queues */ | |
607 | r = sdma_v2_4_gfx_resume(adev); | |
608 | if (r) | |
609 | return r; | |
610 | r = sdma_v2_4_rlc_resume(adev); | |
611 | if (r) | |
612 | return r; | |
613 | ||
614 | return 0; | |
615 | } | |
616 | ||
617 | /** | |
618 | * sdma_v2_4_ring_test_ring - simple async dma engine test | |
619 | * | |
620 | * @ring: amdgpu_ring structure holding ring information | |
621 | * | |
622 | * Test the DMA engine by writing using it to write an | |
623 | * value to memory. (VI). | |
624 | * Returns 0 for success, error for failure. | |
625 | */ | |
626 | static int sdma_v2_4_ring_test_ring(struct amdgpu_ring *ring) | |
627 | { | |
628 | struct amdgpu_device *adev = ring->adev; | |
629 | unsigned i; | |
630 | unsigned index; | |
631 | int r; | |
632 | u32 tmp; | |
633 | u64 gpu_addr; | |
634 | ||
635 | r = amdgpu_wb_get(adev, &index); | |
636 | if (r) { | |
637 | dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r); | |
638 | return r; | |
639 | } | |
640 | ||
641 | gpu_addr = adev->wb.gpu_addr + (index * 4); | |
642 | tmp = 0xCAFEDEAD; | |
643 | adev->wb.wb[index] = cpu_to_le32(tmp); | |
644 | ||
645 | r = amdgpu_ring_lock(ring, 5); | |
646 | if (r) { | |
647 | DRM_ERROR("amdgpu: dma failed to lock ring %d (%d).\n", ring->idx, r); | |
648 | amdgpu_wb_free(adev, index); | |
649 | return r; | |
650 | } | |
651 | ||
652 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | | |
653 | SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR)); | |
654 | amdgpu_ring_write(ring, lower_32_bits(gpu_addr)); | |
655 | amdgpu_ring_write(ring, upper_32_bits(gpu_addr)); | |
656 | amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(1)); | |
657 | amdgpu_ring_write(ring, 0xDEADBEEF); | |
658 | amdgpu_ring_unlock_commit(ring); | |
659 | ||
660 | for (i = 0; i < adev->usec_timeout; i++) { | |
661 | tmp = le32_to_cpu(adev->wb.wb[index]); | |
662 | if (tmp == 0xDEADBEEF) | |
663 | break; | |
664 | DRM_UDELAY(1); | |
665 | } | |
666 | ||
667 | if (i < adev->usec_timeout) { | |
668 | DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i); | |
669 | } else { | |
670 | DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n", | |
671 | ring->idx, tmp); | |
672 | r = -EINVAL; | |
673 | } | |
674 | amdgpu_wb_free(adev, index); | |
675 | ||
676 | return r; | |
677 | } | |
678 | ||
679 | /** | |
680 | * sdma_v2_4_ring_test_ib - test an IB on the DMA engine | |
681 | * | |
682 | * @ring: amdgpu_ring structure holding ring information | |
683 | * | |
684 | * Test a simple IB in the DMA ring (VI). | |
685 | * Returns 0 on success, error on failure. | |
686 | */ | |
687 | static int sdma_v2_4_ring_test_ib(struct amdgpu_ring *ring) | |
688 | { | |
689 | struct amdgpu_device *adev = ring->adev; | |
690 | struct amdgpu_ib ib; | |
1763552e | 691 | struct fence *f = NULL; |
aaa36a97 AD |
692 | unsigned i; |
693 | unsigned index; | |
694 | int r; | |
695 | u32 tmp = 0; | |
696 | u64 gpu_addr; | |
697 | ||
698 | r = amdgpu_wb_get(adev, &index); | |
699 | if (r) { | |
700 | dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r); | |
701 | return r; | |
702 | } | |
703 | ||
704 | gpu_addr = adev->wb.gpu_addr + (index * 4); | |
705 | tmp = 0xCAFEDEAD; | |
706 | adev->wb.wb[index] = cpu_to_le32(tmp); | |
b203dd95 | 707 | memset(&ib, 0, sizeof(ib)); |
aaa36a97 AD |
708 | r = amdgpu_ib_get(ring, NULL, 256, &ib); |
709 | if (r) { | |
aaa36a97 | 710 | DRM_ERROR("amdgpu: failed to get ib (%d).\n", r); |
0011fdaa | 711 | goto err0; |
aaa36a97 AD |
712 | } |
713 | ||
714 | ib.ptr[0] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | | |
715 | SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR); | |
716 | ib.ptr[1] = lower_32_bits(gpu_addr); | |
717 | ib.ptr[2] = upper_32_bits(gpu_addr); | |
718 | ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(1); | |
719 | ib.ptr[4] = 0xDEADBEEF; | |
720 | ib.ptr[5] = SDMA_PKT_HEADER_OP(SDMA_OP_NOP); | |
721 | ib.ptr[6] = SDMA_PKT_HEADER_OP(SDMA_OP_NOP); | |
722 | ib.ptr[7] = SDMA_PKT_HEADER_OP(SDMA_OP_NOP); | |
723 | ib.length_dw = 8; | |
724 | ||
0011fdaa | 725 | r = amdgpu_sched_ib_submit_kernel_helper(adev, ring, &ib, 1, NULL, |
1763552e CZ |
726 | AMDGPU_FENCE_OWNER_UNDEFINED, |
727 | &f); | |
0011fdaa CZ |
728 | if (r) |
729 | goto err1; | |
730 | ||
1763552e | 731 | r = fence_wait(f, false); |
aaa36a97 | 732 | if (r) { |
aaa36a97 | 733 | DRM_ERROR("amdgpu: fence wait failed (%d).\n", r); |
0011fdaa | 734 | goto err1; |
aaa36a97 AD |
735 | } |
736 | for (i = 0; i < adev->usec_timeout; i++) { | |
737 | tmp = le32_to_cpu(adev->wb.wb[index]); | |
738 | if (tmp == 0xDEADBEEF) | |
739 | break; | |
740 | DRM_UDELAY(1); | |
741 | } | |
742 | if (i < adev->usec_timeout) { | |
743 | DRM_INFO("ib test on ring %d succeeded in %u usecs\n", | |
0011fdaa CZ |
744 | ring->idx, i); |
745 | goto err1; | |
aaa36a97 AD |
746 | } else { |
747 | DRM_ERROR("amdgpu: ib test failed (0x%08X)\n", tmp); | |
748 | r = -EINVAL; | |
749 | } | |
0011fdaa CZ |
750 | |
751 | err1: | |
281b4223 | 752 | fence_put(f); |
aaa36a97 | 753 | amdgpu_ib_free(adev, &ib); |
0011fdaa | 754 | err0: |
aaa36a97 AD |
755 | amdgpu_wb_free(adev, index); |
756 | return r; | |
757 | } | |
758 | ||
759 | /** | |
760 | * sdma_v2_4_vm_copy_pte - update PTEs by copying them from the GART | |
761 | * | |
762 | * @ib: indirect buffer to fill with commands | |
763 | * @pe: addr of the page entry | |
764 | * @src: src addr to copy from | |
765 | * @count: number of page entries to update | |
766 | * | |
767 | * Update PTEs by copying them from the GART using sDMA (CIK). | |
768 | */ | |
769 | static void sdma_v2_4_vm_copy_pte(struct amdgpu_ib *ib, | |
770 | uint64_t pe, uint64_t src, | |
771 | unsigned count) | |
772 | { | |
773 | while (count) { | |
774 | unsigned bytes = count * 8; | |
775 | if (bytes > 0x1FFFF8) | |
776 | bytes = 0x1FFFF8; | |
777 | ||
778 | ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) | | |
779 | SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR); | |
780 | ib->ptr[ib->length_dw++] = bytes; | |
781 | ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ | |
782 | ib->ptr[ib->length_dw++] = lower_32_bits(src); | |
783 | ib->ptr[ib->length_dw++] = upper_32_bits(src); | |
784 | ib->ptr[ib->length_dw++] = lower_32_bits(pe); | |
785 | ib->ptr[ib->length_dw++] = upper_32_bits(pe); | |
786 | ||
787 | pe += bytes; | |
788 | src += bytes; | |
789 | count -= bytes / 8; | |
790 | } | |
791 | } | |
792 | ||
793 | /** | |
794 | * sdma_v2_4_vm_write_pte - update PTEs by writing them manually | |
795 | * | |
796 | * @ib: indirect buffer to fill with commands | |
797 | * @pe: addr of the page entry | |
798 | * @addr: dst addr to write into pe | |
799 | * @count: number of page entries to update | |
800 | * @incr: increase next addr by incr bytes | |
801 | * @flags: access flags | |
802 | * | |
803 | * Update PTEs by writing them manually using sDMA (CIK). | |
804 | */ | |
805 | static void sdma_v2_4_vm_write_pte(struct amdgpu_ib *ib, | |
806 | uint64_t pe, | |
807 | uint64_t addr, unsigned count, | |
808 | uint32_t incr, uint32_t flags) | |
809 | { | |
810 | uint64_t value; | |
811 | unsigned ndw; | |
812 | ||
813 | while (count) { | |
814 | ndw = count * 2; | |
815 | if (ndw > 0xFFFFE) | |
816 | ndw = 0xFFFFE; | |
817 | ||
818 | /* for non-physically contiguous pages (system) */ | |
819 | ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) | | |
820 | SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR); | |
821 | ib->ptr[ib->length_dw++] = pe; | |
822 | ib->ptr[ib->length_dw++] = upper_32_bits(pe); | |
823 | ib->ptr[ib->length_dw++] = ndw; | |
824 | for (; ndw > 0; ndw -= 2, --count, pe += 8) { | |
825 | if (flags & AMDGPU_PTE_SYSTEM) { | |
826 | value = amdgpu_vm_map_gart(ib->ring->adev, addr); | |
827 | value &= 0xFFFFFFFFFFFFF000ULL; | |
828 | } else if (flags & AMDGPU_PTE_VALID) { | |
829 | value = addr; | |
830 | } else { | |
831 | value = 0; | |
832 | } | |
833 | addr += incr; | |
834 | value |= flags; | |
835 | ib->ptr[ib->length_dw++] = value; | |
836 | ib->ptr[ib->length_dw++] = upper_32_bits(value); | |
837 | } | |
838 | } | |
839 | } | |
840 | ||
841 | /** | |
842 | * sdma_v2_4_vm_set_pte_pde - update the page tables using sDMA | |
843 | * | |
844 | * @ib: indirect buffer to fill with commands | |
845 | * @pe: addr of the page entry | |
846 | * @addr: dst addr to write into pe | |
847 | * @count: number of page entries to update | |
848 | * @incr: increase next addr by incr bytes | |
849 | * @flags: access flags | |
850 | * | |
851 | * Update the page tables using sDMA (CIK). | |
852 | */ | |
853 | static void sdma_v2_4_vm_set_pte_pde(struct amdgpu_ib *ib, | |
854 | uint64_t pe, | |
855 | uint64_t addr, unsigned count, | |
856 | uint32_t incr, uint32_t flags) | |
857 | { | |
858 | uint64_t value; | |
859 | unsigned ndw; | |
860 | ||
861 | while (count) { | |
862 | ndw = count; | |
863 | if (ndw > 0x7FFFF) | |
864 | ndw = 0x7FFFF; | |
865 | ||
866 | if (flags & AMDGPU_PTE_VALID) | |
867 | value = addr; | |
868 | else | |
869 | value = 0; | |
870 | ||
871 | /* for physically contiguous pages (vram) */ | |
872 | ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_GEN_PTEPDE); | |
873 | ib->ptr[ib->length_dw++] = pe; /* dst addr */ | |
874 | ib->ptr[ib->length_dw++] = upper_32_bits(pe); | |
875 | ib->ptr[ib->length_dw++] = flags; /* mask */ | |
876 | ib->ptr[ib->length_dw++] = 0; | |
877 | ib->ptr[ib->length_dw++] = value; /* value */ | |
878 | ib->ptr[ib->length_dw++] = upper_32_bits(value); | |
879 | ib->ptr[ib->length_dw++] = incr; /* increment size */ | |
880 | ib->ptr[ib->length_dw++] = 0; | |
881 | ib->ptr[ib->length_dw++] = ndw; /* number of entries */ | |
882 | ||
883 | pe += ndw * 8; | |
884 | addr += ndw * incr; | |
885 | count -= ndw; | |
886 | } | |
887 | } | |
888 | ||
889 | /** | |
890 | * sdma_v2_4_vm_pad_ib - pad the IB to the required number of dw | |
891 | * | |
892 | * @ib: indirect buffer to fill with padding | |
893 | * | |
894 | */ | |
895 | static void sdma_v2_4_vm_pad_ib(struct amdgpu_ib *ib) | |
896 | { | |
ac01db3d JZ |
897 | struct amdgpu_sdma *sdma = amdgpu_get_sdma_instance(ib->ring); |
898 | u32 pad_count; | |
899 | int i; | |
900 | ||
901 | pad_count = (8 - (ib->length_dw & 0x7)) % 8; | |
902 | for (i = 0; i < pad_count; i++) | |
903 | if (sdma && sdma->burst_nop && (i == 0)) | |
904 | ib->ptr[ib->length_dw++] = | |
905 | SDMA_PKT_HEADER_OP(SDMA_OP_NOP) | | |
906 | SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1); | |
907 | else | |
908 | ib->ptr[ib->length_dw++] = | |
909 | SDMA_PKT_HEADER_OP(SDMA_OP_NOP); | |
aaa36a97 AD |
910 | } |
911 | ||
912 | /** | |
913 | * sdma_v2_4_ring_emit_vm_flush - cik vm flush using sDMA | |
914 | * | |
915 | * @ring: amdgpu_ring pointer | |
916 | * @vm: amdgpu_vm pointer | |
917 | * | |
918 | * Update the page table base and flush the VM TLB | |
919 | * using sDMA (VI). | |
920 | */ | |
921 | static void sdma_v2_4_ring_emit_vm_flush(struct amdgpu_ring *ring, | |
922 | unsigned vm_id, uint64_t pd_addr) | |
923 | { | |
aaa36a97 AD |
924 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | |
925 | SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); | |
926 | if (vm_id < 8) { | |
927 | amdgpu_ring_write(ring, (mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vm_id)); | |
928 | } else { | |
929 | amdgpu_ring_write(ring, (mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + vm_id - 8)); | |
930 | } | |
931 | amdgpu_ring_write(ring, pd_addr >> 12); | |
932 | ||
aaa36a97 AD |
933 | /* flush TLB */ |
934 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) | | |
935 | SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf)); | |
936 | amdgpu_ring_write(ring, mmVM_INVALIDATE_REQUEST); | |
937 | amdgpu_ring_write(ring, 1 << vm_id); | |
938 | ||
939 | /* wait for flush */ | |
940 | amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) | | |
941 | SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) | | |
942 | SDMA_PKT_POLL_REGMEM_HEADER_FUNC(0)); /* always */ | |
943 | amdgpu_ring_write(ring, mmVM_INVALIDATE_REQUEST << 2); | |
944 | amdgpu_ring_write(ring, 0); | |
945 | amdgpu_ring_write(ring, 0); /* reference */ | |
946 | amdgpu_ring_write(ring, 0); /* mask */ | |
947 | amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | | |
948 | SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */ | |
949 | } | |
950 | ||
5fc3aeeb | 951 | static int sdma_v2_4_early_init(void *handle) |
aaa36a97 | 952 | { |
5fc3aeeb | 953 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
954 | ||
aaa36a97 AD |
955 | sdma_v2_4_set_ring_funcs(adev); |
956 | sdma_v2_4_set_buffer_funcs(adev); | |
957 | sdma_v2_4_set_vm_pte_funcs(adev); | |
958 | sdma_v2_4_set_irq_funcs(adev); | |
959 | ||
960 | return 0; | |
961 | } | |
962 | ||
5fc3aeeb | 963 | static int sdma_v2_4_sw_init(void *handle) |
aaa36a97 AD |
964 | { |
965 | struct amdgpu_ring *ring; | |
966 | int r; | |
5fc3aeeb | 967 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
968 | |
969 | /* SDMA trap event */ | |
970 | r = amdgpu_irq_add_id(adev, 224, &adev->sdma_trap_irq); | |
971 | if (r) | |
972 | return r; | |
973 | ||
974 | /* SDMA Privileged inst */ | |
975 | r = amdgpu_irq_add_id(adev, 241, &adev->sdma_illegal_inst_irq); | |
976 | if (r) | |
977 | return r; | |
978 | ||
979 | /* SDMA Privileged inst */ | |
980 | r = amdgpu_irq_add_id(adev, 247, &adev->sdma_illegal_inst_irq); | |
981 | if (r) | |
982 | return r; | |
983 | ||
984 | r = sdma_v2_4_init_microcode(adev); | |
985 | if (r) { | |
986 | DRM_ERROR("Failed to load sdma firmware!\n"); | |
987 | return r; | |
988 | } | |
989 | ||
990 | ring = &adev->sdma[0].ring; | |
991 | ring->ring_obj = NULL; | |
992 | ring->use_doorbell = false; | |
993 | ||
994 | ring = &adev->sdma[1].ring; | |
995 | ring->ring_obj = NULL; | |
996 | ring->use_doorbell = false; | |
997 | ||
998 | ring = &adev->sdma[0].ring; | |
999 | sprintf(ring->name, "sdma0"); | |
1000 | r = amdgpu_ring_init(adev, ring, 256 * 1024, | |
1001 | SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP), 0xf, | |
1002 | &adev->sdma_trap_irq, AMDGPU_SDMA_IRQ_TRAP0, | |
1003 | AMDGPU_RING_TYPE_SDMA); | |
1004 | if (r) | |
1005 | return r; | |
1006 | ||
1007 | ring = &adev->sdma[1].ring; | |
1008 | sprintf(ring->name, "sdma1"); | |
1009 | r = amdgpu_ring_init(adev, ring, 256 * 1024, | |
1010 | SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP), 0xf, | |
1011 | &adev->sdma_trap_irq, AMDGPU_SDMA_IRQ_TRAP1, | |
1012 | AMDGPU_RING_TYPE_SDMA); | |
1013 | if (r) | |
1014 | return r; | |
1015 | ||
1016 | return r; | |
1017 | } | |
1018 | ||
5fc3aeeb | 1019 | static int sdma_v2_4_sw_fini(void *handle) |
aaa36a97 | 1020 | { |
5fc3aeeb | 1021 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
1022 | ||
aaa36a97 AD |
1023 | amdgpu_ring_fini(&adev->sdma[0].ring); |
1024 | amdgpu_ring_fini(&adev->sdma[1].ring); | |
1025 | ||
1026 | return 0; | |
1027 | } | |
1028 | ||
5fc3aeeb | 1029 | static int sdma_v2_4_hw_init(void *handle) |
aaa36a97 AD |
1030 | { |
1031 | int r; | |
5fc3aeeb | 1032 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1033 | |
1034 | sdma_v2_4_init_golden_registers(adev); | |
1035 | ||
1036 | r = sdma_v2_4_start(adev); | |
1037 | if (r) | |
1038 | return r; | |
1039 | ||
1040 | return r; | |
1041 | } | |
1042 | ||
5fc3aeeb | 1043 | static int sdma_v2_4_hw_fini(void *handle) |
aaa36a97 | 1044 | { |
5fc3aeeb | 1045 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
1046 | ||
aaa36a97 AD |
1047 | sdma_v2_4_enable(adev, false); |
1048 | ||
1049 | return 0; | |
1050 | } | |
1051 | ||
5fc3aeeb | 1052 | static int sdma_v2_4_suspend(void *handle) |
aaa36a97 | 1053 | { |
5fc3aeeb | 1054 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1055 | |
1056 | return sdma_v2_4_hw_fini(adev); | |
1057 | } | |
1058 | ||
5fc3aeeb | 1059 | static int sdma_v2_4_resume(void *handle) |
aaa36a97 | 1060 | { |
5fc3aeeb | 1061 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1062 | |
1063 | return sdma_v2_4_hw_init(adev); | |
1064 | } | |
1065 | ||
5fc3aeeb | 1066 | static bool sdma_v2_4_is_idle(void *handle) |
aaa36a97 | 1067 | { |
5fc3aeeb | 1068 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1069 | u32 tmp = RREG32(mmSRBM_STATUS2); |
1070 | ||
1071 | if (tmp & (SRBM_STATUS2__SDMA_BUSY_MASK | | |
1072 | SRBM_STATUS2__SDMA1_BUSY_MASK)) | |
1073 | return false; | |
1074 | ||
1075 | return true; | |
1076 | } | |
1077 | ||
5fc3aeeb | 1078 | static int sdma_v2_4_wait_for_idle(void *handle) |
aaa36a97 AD |
1079 | { |
1080 | unsigned i; | |
1081 | u32 tmp; | |
5fc3aeeb | 1082 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1083 | |
1084 | for (i = 0; i < adev->usec_timeout; i++) { | |
1085 | tmp = RREG32(mmSRBM_STATUS2) & (SRBM_STATUS2__SDMA_BUSY_MASK | | |
1086 | SRBM_STATUS2__SDMA1_BUSY_MASK); | |
1087 | ||
1088 | if (!tmp) | |
1089 | return 0; | |
1090 | udelay(1); | |
1091 | } | |
1092 | return -ETIMEDOUT; | |
1093 | } | |
1094 | ||
5fc3aeeb | 1095 | static void sdma_v2_4_print_status(void *handle) |
aaa36a97 AD |
1096 | { |
1097 | int i, j; | |
5fc3aeeb | 1098 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1099 | |
1100 | dev_info(adev->dev, "VI SDMA registers\n"); | |
1101 | dev_info(adev->dev, " SRBM_STATUS2=0x%08X\n", | |
1102 | RREG32(mmSRBM_STATUS2)); | |
1103 | for (i = 0; i < SDMA_MAX_INSTANCE; i++) { | |
1104 | dev_info(adev->dev, " SDMA%d_STATUS_REG=0x%08X\n", | |
1105 | i, RREG32(mmSDMA0_STATUS_REG + sdma_offsets[i])); | |
1106 | dev_info(adev->dev, " SDMA%d_F32_CNTL=0x%08X\n", | |
1107 | i, RREG32(mmSDMA0_F32_CNTL + sdma_offsets[i])); | |
1108 | dev_info(adev->dev, " SDMA%d_CNTL=0x%08X\n", | |
1109 | i, RREG32(mmSDMA0_CNTL + sdma_offsets[i])); | |
1110 | dev_info(adev->dev, " SDMA%d_SEM_WAIT_FAIL_TIMER_CNTL=0x%08X\n", | |
1111 | i, RREG32(mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL + sdma_offsets[i])); | |
1112 | dev_info(adev->dev, " SDMA%d_GFX_IB_CNTL=0x%08X\n", | |
1113 | i, RREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i])); | |
1114 | dev_info(adev->dev, " SDMA%d_GFX_RB_CNTL=0x%08X\n", | |
1115 | i, RREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i])); | |
1116 | dev_info(adev->dev, " SDMA%d_GFX_RB_RPTR=0x%08X\n", | |
1117 | i, RREG32(mmSDMA0_GFX_RB_RPTR + sdma_offsets[i])); | |
1118 | dev_info(adev->dev, " SDMA%d_GFX_RB_WPTR=0x%08X\n", | |
1119 | i, RREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[i])); | |
1120 | dev_info(adev->dev, " SDMA%d_GFX_RB_RPTR_ADDR_HI=0x%08X\n", | |
1121 | i, RREG32(mmSDMA0_GFX_RB_RPTR_ADDR_HI + sdma_offsets[i])); | |
1122 | dev_info(adev->dev, " SDMA%d_GFX_RB_RPTR_ADDR_LO=0x%08X\n", | |
1123 | i, RREG32(mmSDMA0_GFX_RB_RPTR_ADDR_LO + sdma_offsets[i])); | |
1124 | dev_info(adev->dev, " SDMA%d_GFX_RB_BASE=0x%08X\n", | |
1125 | i, RREG32(mmSDMA0_GFX_RB_BASE + sdma_offsets[i])); | |
1126 | dev_info(adev->dev, " SDMA%d_GFX_RB_BASE_HI=0x%08X\n", | |
1127 | i, RREG32(mmSDMA0_GFX_RB_BASE_HI + sdma_offsets[i])); | |
1128 | mutex_lock(&adev->srbm_mutex); | |
1129 | for (j = 0; j < 16; j++) { | |
1130 | vi_srbm_select(adev, 0, 0, 0, j); | |
1131 | dev_info(adev->dev, " VM %d:\n", j); | |
1132 | dev_info(adev->dev, " SDMA%d_GFX_VIRTUAL_ADDR=0x%08X\n", | |
1133 | i, RREG32(mmSDMA0_GFX_VIRTUAL_ADDR + sdma_offsets[i])); | |
1134 | dev_info(adev->dev, " SDMA%d_GFX_APE1_CNTL=0x%08X\n", | |
1135 | i, RREG32(mmSDMA0_GFX_APE1_CNTL + sdma_offsets[i])); | |
1136 | } | |
1137 | vi_srbm_select(adev, 0, 0, 0, 0); | |
1138 | mutex_unlock(&adev->srbm_mutex); | |
1139 | } | |
1140 | } | |
1141 | ||
5fc3aeeb | 1142 | static int sdma_v2_4_soft_reset(void *handle) |
aaa36a97 AD |
1143 | { |
1144 | u32 srbm_soft_reset = 0; | |
5fc3aeeb | 1145 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
aaa36a97 AD |
1146 | u32 tmp = RREG32(mmSRBM_STATUS2); |
1147 | ||
1148 | if (tmp & SRBM_STATUS2__SDMA_BUSY_MASK) { | |
1149 | /* sdma0 */ | |
1150 | tmp = RREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET); | |
1151 | tmp = REG_SET_FIELD(tmp, SDMA0_F32_CNTL, HALT, 0); | |
1152 | WREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET, tmp); | |
1153 | srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_SDMA_MASK; | |
1154 | } | |
1155 | if (tmp & SRBM_STATUS2__SDMA1_BUSY_MASK) { | |
1156 | /* sdma1 */ | |
1157 | tmp = RREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET); | |
1158 | tmp = REG_SET_FIELD(tmp, SDMA0_F32_CNTL, HALT, 0); | |
1159 | WREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET, tmp); | |
1160 | srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_SDMA1_MASK; | |
1161 | } | |
1162 | ||
1163 | if (srbm_soft_reset) { | |
5fc3aeeb | 1164 | sdma_v2_4_print_status((void *)adev); |
aaa36a97 AD |
1165 | |
1166 | tmp = RREG32(mmSRBM_SOFT_RESET); | |
1167 | tmp |= srbm_soft_reset; | |
1168 | dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); | |
1169 | WREG32(mmSRBM_SOFT_RESET, tmp); | |
1170 | tmp = RREG32(mmSRBM_SOFT_RESET); | |
1171 | ||
1172 | udelay(50); | |
1173 | ||
1174 | tmp &= ~srbm_soft_reset; | |
1175 | WREG32(mmSRBM_SOFT_RESET, tmp); | |
1176 | tmp = RREG32(mmSRBM_SOFT_RESET); | |
1177 | ||
1178 | /* Wait a little for things to settle down */ | |
1179 | udelay(50); | |
1180 | ||
5fc3aeeb | 1181 | sdma_v2_4_print_status((void *)adev); |
aaa36a97 AD |
1182 | } |
1183 | ||
1184 | return 0; | |
1185 | } | |
1186 | ||
1187 | static int sdma_v2_4_set_trap_irq_state(struct amdgpu_device *adev, | |
1188 | struct amdgpu_irq_src *src, | |
1189 | unsigned type, | |
1190 | enum amdgpu_interrupt_state state) | |
1191 | { | |
1192 | u32 sdma_cntl; | |
1193 | ||
1194 | switch (type) { | |
1195 | case AMDGPU_SDMA_IRQ_TRAP0: | |
1196 | switch (state) { | |
1197 | case AMDGPU_IRQ_STATE_DISABLE: | |
1198 | sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET); | |
1199 | sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 0); | |
1200 | WREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET, sdma_cntl); | |
1201 | break; | |
1202 | case AMDGPU_IRQ_STATE_ENABLE: | |
1203 | sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET); | |
1204 | sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 1); | |
1205 | WREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET, sdma_cntl); | |
1206 | break; | |
1207 | default: | |
1208 | break; | |
1209 | } | |
1210 | break; | |
1211 | case AMDGPU_SDMA_IRQ_TRAP1: | |
1212 | switch (state) { | |
1213 | case AMDGPU_IRQ_STATE_DISABLE: | |
1214 | sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET); | |
1215 | sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 0); | |
1216 | WREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET, sdma_cntl); | |
1217 | break; | |
1218 | case AMDGPU_IRQ_STATE_ENABLE: | |
1219 | sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET); | |
1220 | sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE, 1); | |
1221 | WREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET, sdma_cntl); | |
1222 | break; | |
1223 | default: | |
1224 | break; | |
1225 | } | |
1226 | break; | |
1227 | default: | |
1228 | break; | |
1229 | } | |
1230 | return 0; | |
1231 | } | |
1232 | ||
1233 | static int sdma_v2_4_process_trap_irq(struct amdgpu_device *adev, | |
1234 | struct amdgpu_irq_src *source, | |
1235 | struct amdgpu_iv_entry *entry) | |
1236 | { | |
1237 | u8 instance_id, queue_id; | |
1238 | ||
1239 | instance_id = (entry->ring_id & 0x3) >> 0; | |
1240 | queue_id = (entry->ring_id & 0xc) >> 2; | |
1241 | DRM_DEBUG("IH: SDMA trap\n"); | |
1242 | switch (instance_id) { | |
1243 | case 0: | |
1244 | switch (queue_id) { | |
1245 | case 0: | |
1246 | amdgpu_fence_process(&adev->sdma[0].ring); | |
1247 | break; | |
1248 | case 1: | |
1249 | /* XXX compute */ | |
1250 | break; | |
1251 | case 2: | |
1252 | /* XXX compute */ | |
1253 | break; | |
1254 | } | |
1255 | break; | |
1256 | case 1: | |
1257 | switch (queue_id) { | |
1258 | case 0: | |
1259 | amdgpu_fence_process(&adev->sdma[1].ring); | |
1260 | break; | |
1261 | case 1: | |
1262 | /* XXX compute */ | |
1263 | break; | |
1264 | case 2: | |
1265 | /* XXX compute */ | |
1266 | break; | |
1267 | } | |
1268 | break; | |
1269 | } | |
1270 | return 0; | |
1271 | } | |
1272 | ||
1273 | static int sdma_v2_4_process_illegal_inst_irq(struct amdgpu_device *adev, | |
1274 | struct amdgpu_irq_src *source, | |
1275 | struct amdgpu_iv_entry *entry) | |
1276 | { | |
1277 | DRM_ERROR("Illegal instruction in SDMA command stream\n"); | |
1278 | schedule_work(&adev->reset_work); | |
1279 | return 0; | |
1280 | } | |
1281 | ||
5fc3aeeb | 1282 | static int sdma_v2_4_set_clockgating_state(void *handle, |
1283 | enum amd_clockgating_state state) | |
aaa36a97 AD |
1284 | { |
1285 | /* XXX handled via the smc on VI */ | |
aaa36a97 AD |
1286 | return 0; |
1287 | } | |
1288 | ||
5fc3aeeb | 1289 | static int sdma_v2_4_set_powergating_state(void *handle, |
1290 | enum amd_powergating_state state) | |
aaa36a97 AD |
1291 | { |
1292 | return 0; | |
1293 | } | |
1294 | ||
5fc3aeeb | 1295 | const struct amd_ip_funcs sdma_v2_4_ip_funcs = { |
aaa36a97 AD |
1296 | .early_init = sdma_v2_4_early_init, |
1297 | .late_init = NULL, | |
1298 | .sw_init = sdma_v2_4_sw_init, | |
1299 | .sw_fini = sdma_v2_4_sw_fini, | |
1300 | .hw_init = sdma_v2_4_hw_init, | |
1301 | .hw_fini = sdma_v2_4_hw_fini, | |
1302 | .suspend = sdma_v2_4_suspend, | |
1303 | .resume = sdma_v2_4_resume, | |
1304 | .is_idle = sdma_v2_4_is_idle, | |
1305 | .wait_for_idle = sdma_v2_4_wait_for_idle, | |
1306 | .soft_reset = sdma_v2_4_soft_reset, | |
1307 | .print_status = sdma_v2_4_print_status, | |
1308 | .set_clockgating_state = sdma_v2_4_set_clockgating_state, | |
1309 | .set_powergating_state = sdma_v2_4_set_powergating_state, | |
1310 | }; | |
1311 | ||
1312 | /** | |
1313 | * sdma_v2_4_ring_is_lockup - Check if the DMA engine is locked up | |
1314 | * | |
1315 | * @ring: amdgpu_ring structure holding ring information | |
1316 | * | |
1317 | * Check if the async DMA engine is locked up (VI). | |
1318 | * Returns true if the engine appears to be locked up, false if not. | |
1319 | */ | |
1320 | static bool sdma_v2_4_ring_is_lockup(struct amdgpu_ring *ring) | |
1321 | { | |
1322 | ||
1323 | if (sdma_v2_4_is_idle(ring->adev)) { | |
1324 | amdgpu_ring_lockup_update(ring); | |
1325 | return false; | |
1326 | } | |
1327 | return amdgpu_ring_test_lockup(ring); | |
1328 | } | |
1329 | ||
1330 | static const struct amdgpu_ring_funcs sdma_v2_4_ring_funcs = { | |
1331 | .get_rptr = sdma_v2_4_ring_get_rptr, | |
1332 | .get_wptr = sdma_v2_4_ring_get_wptr, | |
1333 | .set_wptr = sdma_v2_4_ring_set_wptr, | |
1334 | .parse_cs = NULL, | |
1335 | .emit_ib = sdma_v2_4_ring_emit_ib, | |
1336 | .emit_fence = sdma_v2_4_ring_emit_fence, | |
1337 | .emit_semaphore = sdma_v2_4_ring_emit_semaphore, | |
1338 | .emit_vm_flush = sdma_v2_4_ring_emit_vm_flush, | |
d2edb07b | 1339 | .emit_hdp_flush = sdma_v2_4_ring_emit_hdp_flush, |
aaa36a97 AD |
1340 | .test_ring = sdma_v2_4_ring_test_ring, |
1341 | .test_ib = sdma_v2_4_ring_test_ib, | |
1342 | .is_lockup = sdma_v2_4_ring_is_lockup, | |
ac01db3d | 1343 | .insert_nop = sdma_v2_4_ring_insert_nop, |
aaa36a97 AD |
1344 | }; |
1345 | ||
1346 | static void sdma_v2_4_set_ring_funcs(struct amdgpu_device *adev) | |
1347 | { | |
1348 | adev->sdma[0].ring.funcs = &sdma_v2_4_ring_funcs; | |
1349 | adev->sdma[1].ring.funcs = &sdma_v2_4_ring_funcs; | |
1350 | } | |
1351 | ||
1352 | static const struct amdgpu_irq_src_funcs sdma_v2_4_trap_irq_funcs = { | |
1353 | .set = sdma_v2_4_set_trap_irq_state, | |
1354 | .process = sdma_v2_4_process_trap_irq, | |
1355 | }; | |
1356 | ||
1357 | static const struct amdgpu_irq_src_funcs sdma_v2_4_illegal_inst_irq_funcs = { | |
1358 | .process = sdma_v2_4_process_illegal_inst_irq, | |
1359 | }; | |
1360 | ||
1361 | static void sdma_v2_4_set_irq_funcs(struct amdgpu_device *adev) | |
1362 | { | |
1363 | adev->sdma_trap_irq.num_types = AMDGPU_SDMA_IRQ_LAST; | |
1364 | adev->sdma_trap_irq.funcs = &sdma_v2_4_trap_irq_funcs; | |
1365 | adev->sdma_illegal_inst_irq.funcs = &sdma_v2_4_illegal_inst_irq_funcs; | |
1366 | } | |
1367 | ||
1368 | /** | |
1369 | * sdma_v2_4_emit_copy_buffer - copy buffer using the sDMA engine | |
1370 | * | |
1371 | * @ring: amdgpu_ring structure holding ring information | |
1372 | * @src_offset: src GPU address | |
1373 | * @dst_offset: dst GPU address | |
1374 | * @byte_count: number of bytes to xfer | |
1375 | * | |
1376 | * Copy GPU buffers using the DMA engine (VI). | |
1377 | * Used by the amdgpu ttm implementation to move pages if | |
1378 | * registered as the asic copy callback. | |
1379 | */ | |
c7ae72c0 | 1380 | static void sdma_v2_4_emit_copy_buffer(struct amdgpu_ib *ib, |
aaa36a97 AD |
1381 | uint64_t src_offset, |
1382 | uint64_t dst_offset, | |
1383 | uint32_t byte_count) | |
1384 | { | |
c7ae72c0 CZ |
1385 | ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) | |
1386 | SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR); | |
1387 | ib->ptr[ib->length_dw++] = byte_count; | |
1388 | ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ | |
1389 | ib->ptr[ib->length_dw++] = lower_32_bits(src_offset); | |
1390 | ib->ptr[ib->length_dw++] = upper_32_bits(src_offset); | |
1391 | ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); | |
1392 | ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); | |
aaa36a97 AD |
1393 | } |
1394 | ||
1395 | /** | |
1396 | * sdma_v2_4_emit_fill_buffer - fill buffer using the sDMA engine | |
1397 | * | |
1398 | * @ring: amdgpu_ring structure holding ring information | |
1399 | * @src_data: value to write to buffer | |
1400 | * @dst_offset: dst GPU address | |
1401 | * @byte_count: number of bytes to xfer | |
1402 | * | |
1403 | * Fill GPU buffers using the DMA engine (VI). | |
1404 | */ | |
6e7a3840 | 1405 | static void sdma_v2_4_emit_fill_buffer(struct amdgpu_ib *ib, |
aaa36a97 AD |
1406 | uint32_t src_data, |
1407 | uint64_t dst_offset, | |
1408 | uint32_t byte_count) | |
1409 | { | |
6e7a3840 CZ |
1410 | ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_CONST_FILL); |
1411 | ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); | |
1412 | ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); | |
1413 | ib->ptr[ib->length_dw++] = src_data; | |
1414 | ib->ptr[ib->length_dw++] = byte_count; | |
aaa36a97 AD |
1415 | } |
1416 | ||
1417 | static const struct amdgpu_buffer_funcs sdma_v2_4_buffer_funcs = { | |
1418 | .copy_max_bytes = 0x1fffff, | |
1419 | .copy_num_dw = 7, | |
1420 | .emit_copy_buffer = sdma_v2_4_emit_copy_buffer, | |
1421 | ||
1422 | .fill_max_bytes = 0x1fffff, | |
1423 | .fill_num_dw = 7, | |
1424 | .emit_fill_buffer = sdma_v2_4_emit_fill_buffer, | |
1425 | }; | |
1426 | ||
1427 | static void sdma_v2_4_set_buffer_funcs(struct amdgpu_device *adev) | |
1428 | { | |
1429 | if (adev->mman.buffer_funcs == NULL) { | |
1430 | adev->mman.buffer_funcs = &sdma_v2_4_buffer_funcs; | |
1431 | adev->mman.buffer_funcs_ring = &adev->sdma[0].ring; | |
1432 | } | |
1433 | } | |
1434 | ||
1435 | static const struct amdgpu_vm_pte_funcs sdma_v2_4_vm_pte_funcs = { | |
1436 | .copy_pte = sdma_v2_4_vm_copy_pte, | |
1437 | .write_pte = sdma_v2_4_vm_write_pte, | |
1438 | .set_pte_pde = sdma_v2_4_vm_set_pte_pde, | |
1439 | .pad_ib = sdma_v2_4_vm_pad_ib, | |
1440 | }; | |
1441 | ||
1442 | static void sdma_v2_4_set_vm_pte_funcs(struct amdgpu_device *adev) | |
1443 | { | |
1444 | if (adev->vm_manager.vm_pte_funcs == NULL) { | |
1445 | adev->vm_manager.vm_pte_funcs = &sdma_v2_4_vm_pte_funcs; | |
1446 | adev->vm_manager.vm_pte_funcs_ring = &adev->sdma[0].ring; | |
4274f5d4 | 1447 | adev->vm_manager.vm_pte_funcs_ring->is_pte_ring = true; |
aaa36a97 AD |
1448 | } |
1449 | } |