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a2e73f56 AD |
1 | /* |
2 | * Copyright 2013 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 "cikd.h" | |
30 | #include "cik.h" | |
31 | ||
32 | #include "bif/bif_4_1_d.h" | |
33 | #include "bif/bif_4_1_sh_mask.h" | |
34 | ||
35 | #include "gca/gfx_7_2_d.h" | |
74a5d165 JX |
36 | #include "gca/gfx_7_2_enum.h" |
37 | #include "gca/gfx_7_2_sh_mask.h" | |
a2e73f56 AD |
38 | |
39 | #include "gmc/gmc_7_1_d.h" | |
40 | #include "gmc/gmc_7_1_sh_mask.h" | |
41 | ||
42 | #include "oss/oss_2_0_d.h" | |
43 | #include "oss/oss_2_0_sh_mask.h" | |
44 | ||
45 | static const u32 sdma_offsets[SDMA_MAX_INSTANCE] = | |
46 | { | |
47 | SDMA0_REGISTER_OFFSET, | |
48 | SDMA1_REGISTER_OFFSET | |
49 | }; | |
50 | ||
51 | static void cik_sdma_set_ring_funcs(struct amdgpu_device *adev); | |
52 | static void cik_sdma_set_irq_funcs(struct amdgpu_device *adev); | |
53 | static void cik_sdma_set_buffer_funcs(struct amdgpu_device *adev); | |
54 | static void cik_sdma_set_vm_pte_funcs(struct amdgpu_device *adev); | |
55 | ||
56 | MODULE_FIRMWARE("radeon/bonaire_sdma.bin"); | |
57 | MODULE_FIRMWARE("radeon/bonaire_sdma1.bin"); | |
58 | MODULE_FIRMWARE("radeon/hawaii_sdma.bin"); | |
59 | MODULE_FIRMWARE("radeon/hawaii_sdma1.bin"); | |
60 | MODULE_FIRMWARE("radeon/kaveri_sdma.bin"); | |
61 | MODULE_FIRMWARE("radeon/kaveri_sdma1.bin"); | |
62 | MODULE_FIRMWARE("radeon/kabini_sdma.bin"); | |
63 | MODULE_FIRMWARE("radeon/kabini_sdma1.bin"); | |
64 | MODULE_FIRMWARE("radeon/mullins_sdma.bin"); | |
65 | MODULE_FIRMWARE("radeon/mullins_sdma1.bin"); | |
66 | ||
67 | u32 amdgpu_cik_gpu_check_soft_reset(struct amdgpu_device *adev); | |
68 | ||
69 | /* | |
70 | * sDMA - System DMA | |
71 | * Starting with CIK, the GPU has new asynchronous | |
72 | * DMA engines. These engines are used for compute | |
73 | * and gfx. There are two DMA engines (SDMA0, SDMA1) | |
74 | * and each one supports 1 ring buffer used for gfx | |
75 | * and 2 queues used for compute. | |
76 | * | |
77 | * The programming model is very similar to the CP | |
78 | * (ring buffer, IBs, etc.), but sDMA has it's own | |
79 | * packet format that is different from the PM4 format | |
80 | * used by the CP. sDMA supports copying data, writing | |
81 | * embedded data, solid fills, and a number of other | |
82 | * things. It also has support for tiling/detiling of | |
83 | * buffers. | |
84 | */ | |
85 | ||
86 | /** | |
87 | * cik_sdma_init_microcode - load ucode images from disk | |
88 | * | |
89 | * @adev: amdgpu_device pointer | |
90 | * | |
91 | * Use the firmware interface to load the ucode images into | |
92 | * the driver (not loaded into hw). | |
93 | * Returns 0 on success, error on failure. | |
94 | */ | |
95 | static int cik_sdma_init_microcode(struct amdgpu_device *adev) | |
96 | { | |
97 | const char *chip_name; | |
98 | char fw_name[30]; | |
c113ea1c | 99 | int err = 0, i; |
a2e73f56 AD |
100 | |
101 | DRM_DEBUG("\n"); | |
102 | ||
103 | switch (adev->asic_type) { | |
104 | case CHIP_BONAIRE: | |
105 | chip_name = "bonaire"; | |
106 | break; | |
107 | case CHIP_HAWAII: | |
108 | chip_name = "hawaii"; | |
109 | break; | |
110 | case CHIP_KAVERI: | |
111 | chip_name = "kaveri"; | |
112 | break; | |
113 | case CHIP_KABINI: | |
114 | chip_name = "kabini"; | |
115 | break; | |
116 | case CHIP_MULLINS: | |
117 | chip_name = "mullins"; | |
118 | break; | |
119 | default: BUG(); | |
120 | } | |
121 | ||
c113ea1c | 122 | for (i = 0; i < adev->sdma.num_instances; i++) { |
a2e73f56 AD |
123 | if (i == 0) |
124 | snprintf(fw_name, sizeof(fw_name), "radeon/%s_sdma.bin", chip_name); | |
125 | else | |
126 | snprintf(fw_name, sizeof(fw_name), "radeon/%s_sdma1.bin", chip_name); | |
c113ea1c | 127 | err = request_firmware(&adev->sdma.instance[i].fw, fw_name, adev->dev); |
a2e73f56 AD |
128 | if (err) |
129 | goto out; | |
c113ea1c | 130 | err = amdgpu_ucode_validate(adev->sdma.instance[i].fw); |
a2e73f56 AD |
131 | } |
132 | out: | |
133 | if (err) { | |
134 | printk(KERN_ERR | |
135 | "cik_sdma: Failed to load firmware \"%s\"\n", | |
136 | fw_name); | |
c113ea1c AD |
137 | for (i = 0; i < adev->sdma.num_instances; i++) { |
138 | release_firmware(adev->sdma.instance[i].fw); | |
139 | adev->sdma.instance[i].fw = NULL; | |
a2e73f56 AD |
140 | } |
141 | } | |
142 | return err; | |
143 | } | |
144 | ||
145 | /** | |
146 | * cik_sdma_ring_get_rptr - get the current read pointer | |
147 | * | |
148 | * @ring: amdgpu ring pointer | |
149 | * | |
150 | * Get the current rptr from the hardware (CIK+). | |
151 | */ | |
152 | static uint32_t cik_sdma_ring_get_rptr(struct amdgpu_ring *ring) | |
153 | { | |
154 | u32 rptr; | |
155 | ||
156 | rptr = ring->adev->wb.wb[ring->rptr_offs]; | |
157 | ||
158 | return (rptr & 0x3fffc) >> 2; | |
159 | } | |
160 | ||
161 | /** | |
162 | * cik_sdma_ring_get_wptr - get the current write pointer | |
163 | * | |
164 | * @ring: amdgpu ring pointer | |
165 | * | |
166 | * Get the current wptr from the hardware (CIK+). | |
167 | */ | |
168 | static uint32_t cik_sdma_ring_get_wptr(struct amdgpu_ring *ring) | |
169 | { | |
170 | struct amdgpu_device *adev = ring->adev; | |
c113ea1c | 171 | u32 me = (ring == &adev->sdma.instance[0].ring) ? 0 : 1; |
a2e73f56 AD |
172 | |
173 | return (RREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[me]) & 0x3fffc) >> 2; | |
174 | } | |
175 | ||
176 | /** | |
177 | * cik_sdma_ring_set_wptr - commit the write pointer | |
178 | * | |
179 | * @ring: amdgpu ring pointer | |
180 | * | |
181 | * Write the wptr back to the hardware (CIK+). | |
182 | */ | |
183 | static void cik_sdma_ring_set_wptr(struct amdgpu_ring *ring) | |
184 | { | |
185 | struct amdgpu_device *adev = ring->adev; | |
c113ea1c | 186 | u32 me = (ring == &adev->sdma.instance[0].ring) ? 0 : 1; |
a2e73f56 AD |
187 | |
188 | WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[me], (ring->wptr << 2) & 0x3fffc); | |
189 | } | |
190 | ||
ac01db3d JZ |
191 | static void cik_sdma_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) |
192 | { | |
c113ea1c | 193 | struct amdgpu_sdma_instance *sdma = amdgpu_get_sdma_instance(ring); |
ac01db3d JZ |
194 | int i; |
195 | ||
196 | for (i = 0; i < count; i++) | |
197 | if (sdma && sdma->burst_nop && (i == 0)) | |
198 | amdgpu_ring_write(ring, ring->nop | | |
199 | SDMA_NOP_COUNT(count - 1)); | |
200 | else | |
201 | amdgpu_ring_write(ring, ring->nop); | |
202 | } | |
203 | ||
a2e73f56 AD |
204 | /** |
205 | * cik_sdma_ring_emit_ib - Schedule an IB on the DMA engine | |
206 | * | |
207 | * @ring: amdgpu ring pointer | |
208 | * @ib: IB object to schedule | |
209 | * | |
210 | * Schedule an IB in the DMA ring (CIK). | |
211 | */ | |
212 | static void cik_sdma_ring_emit_ib(struct amdgpu_ring *ring, | |
d88bf583 CK |
213 | struct amdgpu_ib *ib, |
214 | unsigned vm_id, bool ctx_switch) | |
a2e73f56 | 215 | { |
d88bf583 | 216 | u32 extra_bits = vm_id & 0xf; |
a2e73f56 AD |
217 | u32 next_rptr = ring->wptr + 5; |
218 | ||
a2e73f56 AD |
219 | while ((next_rptr & 7) != 4) |
220 | next_rptr++; | |
221 | ||
222 | next_rptr += 4; | |
223 | amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_WRITE, SDMA_WRITE_SUB_OPCODE_LINEAR, 0)); | |
224 | amdgpu_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc); | |
225 | amdgpu_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xffffffff); | |
226 | amdgpu_ring_write(ring, 1); /* number of DWs to follow */ | |
227 | amdgpu_ring_write(ring, next_rptr); | |
228 | ||
a2e73f56 | 229 | /* IB packet must end on a 8 DW boundary */ |
ac01db3d JZ |
230 | cik_sdma_ring_insert_nop(ring, (12 - (ring->wptr & 7)) % 8); |
231 | ||
a2e73f56 AD |
232 | amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_INDIRECT_BUFFER, 0, extra_bits)); |
233 | amdgpu_ring_write(ring, ib->gpu_addr & 0xffffffe0); /* base must be 32 byte aligned */ | |
234 | amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xffffffff); | |
235 | amdgpu_ring_write(ring, ib->length_dw); | |
236 | ||
237 | } | |
238 | ||
239 | /** | |
d2edb07b | 240 | * cik_sdma_ring_emit_hdp_flush - emit an hdp flush on the DMA ring |
a2e73f56 AD |
241 | * |
242 | * @ring: amdgpu ring pointer | |
243 | * | |
244 | * Emit an hdp flush packet on the requested DMA ring. | |
245 | */ | |
d2edb07b | 246 | static void cik_sdma_ring_emit_hdp_flush(struct amdgpu_ring *ring) |
a2e73f56 AD |
247 | { |
248 | u32 extra_bits = (SDMA_POLL_REG_MEM_EXTRA_OP(1) | | |
249 | SDMA_POLL_REG_MEM_EXTRA_FUNC(3)); /* == */ | |
250 | u32 ref_and_mask; | |
251 | ||
c113ea1c | 252 | if (ring == &ring->adev->sdma.instance[0].ring) |
a2e73f56 AD |
253 | ref_and_mask = GPU_HDP_FLUSH_DONE__SDMA0_MASK; |
254 | else | |
255 | ref_and_mask = GPU_HDP_FLUSH_DONE__SDMA1_MASK; | |
256 | ||
257 | amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_POLL_REG_MEM, 0, extra_bits)); | |
258 | amdgpu_ring_write(ring, mmGPU_HDP_FLUSH_DONE << 2); | |
259 | amdgpu_ring_write(ring, mmGPU_HDP_FLUSH_REQ << 2); | |
260 | amdgpu_ring_write(ring, ref_and_mask); /* reference */ | |
261 | amdgpu_ring_write(ring, ref_and_mask); /* mask */ | |
262 | amdgpu_ring_write(ring, (0xfff << 16) | 10); /* retry count, poll interval */ | |
263 | } | |
264 | ||
498dd97d CZ |
265 | static void cik_sdma_ring_emit_hdp_invalidate(struct amdgpu_ring *ring) |
266 | { | |
267 | amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_SRBM_WRITE, 0, 0xf000)); | |
268 | amdgpu_ring_write(ring, mmHDP_DEBUG0); | |
269 | amdgpu_ring_write(ring, 1); | |
270 | } | |
271 | ||
a2e73f56 AD |
272 | /** |
273 | * cik_sdma_ring_emit_fence - emit a fence on the DMA ring | |
274 | * | |
275 | * @ring: amdgpu ring pointer | |
276 | * @fence: amdgpu fence object | |
277 | * | |
278 | * Add a DMA fence packet to the ring to write | |
279 | * the fence seq number and DMA trap packet to generate | |
280 | * an interrupt if needed (CIK). | |
281 | */ | |
282 | static void cik_sdma_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, | |
890ee23f | 283 | unsigned flags) |
a2e73f56 | 284 | { |
890ee23f | 285 | bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT; |
a2e73f56 AD |
286 | /* write the fence */ |
287 | amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_FENCE, 0, 0)); | |
288 | amdgpu_ring_write(ring, lower_32_bits(addr)); | |
289 | amdgpu_ring_write(ring, upper_32_bits(addr)); | |
290 | amdgpu_ring_write(ring, lower_32_bits(seq)); | |
291 | ||
292 | /* optionally write high bits as well */ | |
293 | if (write64bit) { | |
294 | addr += 4; | |
295 | amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_FENCE, 0, 0)); | |
296 | amdgpu_ring_write(ring, lower_32_bits(addr)); | |
297 | amdgpu_ring_write(ring, upper_32_bits(addr)); | |
298 | amdgpu_ring_write(ring, upper_32_bits(seq)); | |
299 | } | |
300 | ||
301 | /* generate an interrupt */ | |
302 | amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_TRAP, 0, 0)); | |
303 | } | |
304 | ||
a2e73f56 AD |
305 | /** |
306 | * cik_sdma_gfx_stop - stop the gfx async dma engines | |
307 | * | |
308 | * @adev: amdgpu_device pointer | |
309 | * | |
310 | * Stop the gfx async dma ring buffers (CIK). | |
311 | */ | |
312 | static void cik_sdma_gfx_stop(struct amdgpu_device *adev) | |
313 | { | |
c113ea1c AD |
314 | struct amdgpu_ring *sdma0 = &adev->sdma.instance[0].ring; |
315 | struct amdgpu_ring *sdma1 = &adev->sdma.instance[1].ring; | |
a2e73f56 AD |
316 | u32 rb_cntl; |
317 | int i; | |
318 | ||
319 | if ((adev->mman.buffer_funcs_ring == sdma0) || | |
320 | (adev->mman.buffer_funcs_ring == sdma1)) | |
321 | amdgpu_ttm_set_active_vram_size(adev, adev->mc.visible_vram_size); | |
322 | ||
c113ea1c | 323 | for (i = 0; i < adev->sdma.num_instances; i++) { |
a2e73f56 AD |
324 | rb_cntl = RREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i]); |
325 | rb_cntl &= ~SDMA0_GFX_RB_CNTL__RB_ENABLE_MASK; | |
326 | WREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i], rb_cntl); | |
327 | WREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i], 0); | |
328 | } | |
329 | sdma0->ready = false; | |
330 | sdma1->ready = false; | |
331 | } | |
332 | ||
333 | /** | |
334 | * cik_sdma_rlc_stop - stop the compute async dma engines | |
335 | * | |
336 | * @adev: amdgpu_device pointer | |
337 | * | |
338 | * Stop the compute async dma queues (CIK). | |
339 | */ | |
340 | static void cik_sdma_rlc_stop(struct amdgpu_device *adev) | |
341 | { | |
342 | /* XXX todo */ | |
343 | } | |
344 | ||
345 | /** | |
346 | * cik_sdma_enable - stop the async dma engines | |
347 | * | |
348 | * @adev: amdgpu_device pointer | |
349 | * @enable: enable/disable the DMA MEs. | |
350 | * | |
351 | * Halt or unhalt the async dma engines (CIK). | |
352 | */ | |
353 | static void cik_sdma_enable(struct amdgpu_device *adev, bool enable) | |
354 | { | |
355 | u32 me_cntl; | |
356 | int i; | |
357 | ||
358 | if (enable == false) { | |
359 | cik_sdma_gfx_stop(adev); | |
360 | cik_sdma_rlc_stop(adev); | |
361 | } | |
362 | ||
c113ea1c | 363 | for (i = 0; i < adev->sdma.num_instances; i++) { |
a2e73f56 AD |
364 | me_cntl = RREG32(mmSDMA0_F32_CNTL + sdma_offsets[i]); |
365 | if (enable) | |
366 | me_cntl &= ~SDMA0_F32_CNTL__HALT_MASK; | |
367 | else | |
368 | me_cntl |= SDMA0_F32_CNTL__HALT_MASK; | |
369 | WREG32(mmSDMA0_F32_CNTL + sdma_offsets[i], me_cntl); | |
370 | } | |
371 | } | |
372 | ||
373 | /** | |
374 | * cik_sdma_gfx_resume - setup and start the async dma engines | |
375 | * | |
376 | * @adev: amdgpu_device pointer | |
377 | * | |
378 | * Set up the gfx DMA ring buffers and enable them (CIK). | |
379 | * Returns 0 for success, error for failure. | |
380 | */ | |
381 | static int cik_sdma_gfx_resume(struct amdgpu_device *adev) | |
382 | { | |
383 | struct amdgpu_ring *ring; | |
384 | u32 rb_cntl, ib_cntl; | |
385 | u32 rb_bufsz; | |
386 | u32 wb_offset; | |
387 | int i, j, r; | |
388 | ||
c113ea1c AD |
389 | for (i = 0; i < adev->sdma.num_instances; i++) { |
390 | ring = &adev->sdma.instance[i].ring; | |
a2e73f56 AD |
391 | wb_offset = (ring->rptr_offs * 4); |
392 | ||
393 | mutex_lock(&adev->srbm_mutex); | |
394 | for (j = 0; j < 16; j++) { | |
395 | cik_srbm_select(adev, 0, 0, 0, j); | |
396 | /* SDMA GFX */ | |
397 | WREG32(mmSDMA0_GFX_VIRTUAL_ADDR + sdma_offsets[i], 0); | |
398 | WREG32(mmSDMA0_GFX_APE1_CNTL + sdma_offsets[i], 0); | |
399 | /* XXX SDMA RLC - todo */ | |
400 | } | |
401 | cik_srbm_select(adev, 0, 0, 0, 0); | |
402 | mutex_unlock(&adev->srbm_mutex); | |
403 | ||
2b3a765d AD |
404 | WREG32(mmSDMA0_TILING_CONFIG + sdma_offsets[i], |
405 | adev->gfx.config.gb_addr_config & 0x70); | |
406 | ||
a2e73f56 AD |
407 | WREG32(mmSDMA0_SEM_INCOMPLETE_TIMER_CNTL + sdma_offsets[i], 0); |
408 | WREG32(mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL + sdma_offsets[i], 0); | |
409 | ||
410 | /* Set ring buffer size in dwords */ | |
411 | rb_bufsz = order_base_2(ring->ring_size / 4); | |
412 | rb_cntl = rb_bufsz << 1; | |
413 | #ifdef __BIG_ENDIAN | |
454fc95e AD |
414 | rb_cntl |= SDMA0_GFX_RB_CNTL__RB_SWAP_ENABLE_MASK | |
415 | SDMA0_GFX_RB_CNTL__RPTR_WRITEBACK_SWAP_ENABLE_MASK; | |
a2e73f56 AD |
416 | #endif |
417 | WREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i], rb_cntl); | |
418 | ||
419 | /* Initialize the ring buffer's read and write pointers */ | |
420 | WREG32(mmSDMA0_GFX_RB_RPTR + sdma_offsets[i], 0); | |
421 | WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[i], 0); | |
d72f7c06 ML |
422 | WREG32(mmSDMA0_GFX_IB_RPTR + sdma_offsets[i], 0); |
423 | WREG32(mmSDMA0_GFX_IB_OFFSET + sdma_offsets[i], 0); | |
a2e73f56 AD |
424 | |
425 | /* set the wb address whether it's enabled or not */ | |
426 | WREG32(mmSDMA0_GFX_RB_RPTR_ADDR_HI + sdma_offsets[i], | |
427 | upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF); | |
428 | WREG32(mmSDMA0_GFX_RB_RPTR_ADDR_LO + sdma_offsets[i], | |
429 | ((adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC)); | |
430 | ||
431 | rb_cntl |= SDMA0_GFX_RB_CNTL__RPTR_WRITEBACK_ENABLE_MASK; | |
432 | ||
433 | WREG32(mmSDMA0_GFX_RB_BASE + sdma_offsets[i], ring->gpu_addr >> 8); | |
434 | WREG32(mmSDMA0_GFX_RB_BASE_HI + sdma_offsets[i], ring->gpu_addr >> 40); | |
435 | ||
436 | ring->wptr = 0; | |
437 | WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[i], ring->wptr << 2); | |
438 | ||
439 | /* enable DMA RB */ | |
440 | WREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i], | |
441 | rb_cntl | SDMA0_GFX_RB_CNTL__RB_ENABLE_MASK); | |
442 | ||
443 | ib_cntl = SDMA0_GFX_IB_CNTL__IB_ENABLE_MASK; | |
444 | #ifdef __BIG_ENDIAN | |
445 | ib_cntl |= SDMA0_GFX_IB_CNTL__IB_SWAP_ENABLE_MASK; | |
446 | #endif | |
447 | /* enable DMA IBs */ | |
448 | WREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i], ib_cntl); | |
449 | ||
450 | ring->ready = true; | |
505dfe76 ML |
451 | } |
452 | ||
453 | cik_sdma_enable(adev, true); | |
a2e73f56 | 454 | |
505dfe76 ML |
455 | for (i = 0; i < adev->sdma.num_instances; i++) { |
456 | ring = &adev->sdma.instance[i].ring; | |
a2e73f56 AD |
457 | r = amdgpu_ring_test_ring(ring); |
458 | if (r) { | |
459 | ring->ready = false; | |
460 | return r; | |
461 | } | |
462 | ||
463 | if (adev->mman.buffer_funcs_ring == ring) | |
464 | amdgpu_ttm_set_active_vram_size(adev, adev->mc.real_vram_size); | |
465 | } | |
466 | ||
467 | return 0; | |
468 | } | |
469 | ||
470 | /** | |
471 | * cik_sdma_rlc_resume - setup and start the async dma engines | |
472 | * | |
473 | * @adev: amdgpu_device pointer | |
474 | * | |
475 | * Set up the compute DMA queues and enable them (CIK). | |
476 | * Returns 0 for success, error for failure. | |
477 | */ | |
478 | static int cik_sdma_rlc_resume(struct amdgpu_device *adev) | |
479 | { | |
480 | /* XXX todo */ | |
481 | return 0; | |
482 | } | |
483 | ||
484 | /** | |
485 | * cik_sdma_load_microcode - load the sDMA ME ucode | |
486 | * | |
487 | * @adev: amdgpu_device pointer | |
488 | * | |
489 | * Loads the sDMA0/1 ucode. | |
490 | * Returns 0 for success, -EINVAL if the ucode is not available. | |
491 | */ | |
492 | static int cik_sdma_load_microcode(struct amdgpu_device *adev) | |
493 | { | |
494 | const struct sdma_firmware_header_v1_0 *hdr; | |
495 | const __le32 *fw_data; | |
496 | u32 fw_size; | |
497 | int i, j; | |
498 | ||
a2e73f56 AD |
499 | /* halt the MEs */ |
500 | cik_sdma_enable(adev, false); | |
501 | ||
c113ea1c AD |
502 | for (i = 0; i < adev->sdma.num_instances; i++) { |
503 | if (!adev->sdma.instance[i].fw) | |
504 | return -EINVAL; | |
505 | hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data; | |
a2e73f56 AD |
506 | amdgpu_ucode_print_sdma_hdr(&hdr->header); |
507 | fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; | |
c113ea1c AD |
508 | adev->sdma.instance[i].fw_version = le32_to_cpu(hdr->header.ucode_version); |
509 | adev->sdma.instance[i].feature_version = le32_to_cpu(hdr->ucode_feature_version); | |
510 | if (adev->sdma.instance[i].feature_version >= 20) | |
511 | adev->sdma.instance[i].burst_nop = true; | |
a2e73f56 | 512 | fw_data = (const __le32 *) |
c113ea1c | 513 | (adev->sdma.instance[i].fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); |
a2e73f56 AD |
514 | WREG32(mmSDMA0_UCODE_ADDR + sdma_offsets[i], 0); |
515 | for (j = 0; j < fw_size; j++) | |
516 | WREG32(mmSDMA0_UCODE_DATA + sdma_offsets[i], le32_to_cpup(fw_data++)); | |
c113ea1c | 517 | WREG32(mmSDMA0_UCODE_ADDR + sdma_offsets[i], adev->sdma.instance[i].fw_version); |
a2e73f56 AD |
518 | } |
519 | ||
520 | return 0; | |
521 | } | |
522 | ||
523 | /** | |
524 | * cik_sdma_start - setup and start the async dma engines | |
525 | * | |
526 | * @adev: amdgpu_device pointer | |
527 | * | |
528 | * Set up the DMA engines and enable them (CIK). | |
529 | * Returns 0 for success, error for failure. | |
530 | */ | |
531 | static int cik_sdma_start(struct amdgpu_device *adev) | |
532 | { | |
533 | int r; | |
534 | ||
535 | r = cik_sdma_load_microcode(adev); | |
536 | if (r) | |
537 | return r; | |
538 | ||
505dfe76 ML |
539 | /* halt the engine before programing */ |
540 | cik_sdma_enable(adev, false); | |
a2e73f56 AD |
541 | |
542 | /* start the gfx rings and rlc compute queues */ | |
543 | r = cik_sdma_gfx_resume(adev); | |
544 | if (r) | |
545 | return r; | |
546 | r = cik_sdma_rlc_resume(adev); | |
547 | if (r) | |
548 | return r; | |
549 | ||
550 | return 0; | |
551 | } | |
552 | ||
553 | /** | |
554 | * cik_sdma_ring_test_ring - simple async dma engine test | |
555 | * | |
556 | * @ring: amdgpu_ring structure holding ring information | |
557 | * | |
558 | * Test the DMA engine by writing using it to write an | |
559 | * value to memory. (CIK). | |
560 | * Returns 0 for success, error for failure. | |
561 | */ | |
562 | static int cik_sdma_ring_test_ring(struct amdgpu_ring *ring) | |
563 | { | |
564 | struct amdgpu_device *adev = ring->adev; | |
565 | unsigned i; | |
566 | unsigned index; | |
567 | int r; | |
568 | u32 tmp; | |
569 | u64 gpu_addr; | |
570 | ||
571 | r = amdgpu_wb_get(adev, &index); | |
572 | if (r) { | |
573 | dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r); | |
574 | return r; | |
575 | } | |
576 | ||
577 | gpu_addr = adev->wb.gpu_addr + (index * 4); | |
578 | tmp = 0xCAFEDEAD; | |
579 | adev->wb.wb[index] = cpu_to_le32(tmp); | |
580 | ||
a27de35c | 581 | r = amdgpu_ring_alloc(ring, 5); |
a2e73f56 AD |
582 | if (r) { |
583 | DRM_ERROR("amdgpu: dma failed to lock ring %d (%d).\n", ring->idx, r); | |
584 | amdgpu_wb_free(adev, index); | |
585 | return r; | |
586 | } | |
587 | amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_WRITE, SDMA_WRITE_SUB_OPCODE_LINEAR, 0)); | |
588 | amdgpu_ring_write(ring, lower_32_bits(gpu_addr)); | |
589 | amdgpu_ring_write(ring, upper_32_bits(gpu_addr)); | |
590 | amdgpu_ring_write(ring, 1); /* number of DWs to follow */ | |
591 | amdgpu_ring_write(ring, 0xDEADBEEF); | |
a27de35c | 592 | amdgpu_ring_commit(ring); |
a2e73f56 AD |
593 | |
594 | for (i = 0; i < adev->usec_timeout; i++) { | |
595 | tmp = le32_to_cpu(adev->wb.wb[index]); | |
596 | if (tmp == 0xDEADBEEF) | |
597 | break; | |
598 | DRM_UDELAY(1); | |
599 | } | |
600 | ||
601 | if (i < adev->usec_timeout) { | |
602 | DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i); | |
603 | } else { | |
604 | DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n", | |
605 | ring->idx, tmp); | |
606 | r = -EINVAL; | |
607 | } | |
608 | amdgpu_wb_free(adev, index); | |
609 | ||
610 | return r; | |
611 | } | |
612 | ||
613 | /** | |
614 | * cik_sdma_ring_test_ib - test an IB on the DMA engine | |
615 | * | |
616 | * @ring: amdgpu_ring structure holding ring information | |
617 | * | |
618 | * Test a simple IB in the DMA ring (CIK). | |
619 | * Returns 0 on success, error on failure. | |
620 | */ | |
621 | static int cik_sdma_ring_test_ib(struct amdgpu_ring *ring) | |
622 | { | |
623 | struct amdgpu_device *adev = ring->adev; | |
624 | struct amdgpu_ib ib; | |
1763552e | 625 | struct fence *f = NULL; |
a2e73f56 AD |
626 | unsigned i; |
627 | unsigned index; | |
628 | int r; | |
629 | u32 tmp = 0; | |
630 | u64 gpu_addr; | |
631 | ||
632 | r = amdgpu_wb_get(adev, &index); | |
633 | if (r) { | |
634 | dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r); | |
635 | return r; | |
636 | } | |
637 | ||
638 | gpu_addr = adev->wb.gpu_addr + (index * 4); | |
639 | tmp = 0xCAFEDEAD; | |
640 | adev->wb.wb[index] = cpu_to_le32(tmp); | |
b203dd95 | 641 | memset(&ib, 0, sizeof(ib)); |
b07c60c0 | 642 | r = amdgpu_ib_get(adev, NULL, 256, &ib); |
a2e73f56 | 643 | if (r) { |
a2e73f56 | 644 | DRM_ERROR("amdgpu: failed to get ib (%d).\n", r); |
0011fdaa | 645 | goto err0; |
a2e73f56 AD |
646 | } |
647 | ||
648 | ib.ptr[0] = SDMA_PACKET(SDMA_OPCODE_WRITE, SDMA_WRITE_SUB_OPCODE_LINEAR, 0); | |
649 | ib.ptr[1] = lower_32_bits(gpu_addr); | |
650 | ib.ptr[2] = upper_32_bits(gpu_addr); | |
651 | ib.ptr[3] = 1; | |
652 | ib.ptr[4] = 0xDEADBEEF; | |
653 | ib.length_dw = 5; | |
c5637837 | 654 | r = amdgpu_ib_schedule(ring, 1, &ib, NULL, NULL, &f); |
0011fdaa CZ |
655 | if (r) |
656 | goto err1; | |
a2e73f56 | 657 | |
1763552e | 658 | r = fence_wait(f, false); |
a2e73f56 | 659 | if (r) { |
a2e73f56 | 660 | DRM_ERROR("amdgpu: fence wait failed (%d).\n", r); |
0011fdaa | 661 | goto err1; |
a2e73f56 AD |
662 | } |
663 | for (i = 0; i < adev->usec_timeout; i++) { | |
664 | tmp = le32_to_cpu(adev->wb.wb[index]); | |
665 | if (tmp == 0xDEADBEEF) | |
666 | break; | |
667 | DRM_UDELAY(1); | |
668 | } | |
669 | if (i < adev->usec_timeout) { | |
670 | DRM_INFO("ib test on ring %d succeeded in %u usecs\n", | |
0011fdaa CZ |
671 | ring->idx, i); |
672 | goto err1; | |
a2e73f56 AD |
673 | } else { |
674 | DRM_ERROR("amdgpu: ib test failed (0x%08X)\n", tmp); | |
675 | r = -EINVAL; | |
676 | } | |
0011fdaa CZ |
677 | |
678 | err1: | |
281b4223 | 679 | fence_put(f); |
cc55c45d | 680 | amdgpu_ib_free(adev, &ib, NULL); |
73cfa5f5 | 681 | fence_put(f); |
0011fdaa | 682 | err0: |
a2e73f56 AD |
683 | amdgpu_wb_free(adev, index); |
684 | return r; | |
685 | } | |
686 | ||
687 | /** | |
688 | * cik_sdma_vm_copy_pages - update PTEs by copying them from the GART | |
689 | * | |
690 | * @ib: indirect buffer to fill with commands | |
691 | * @pe: addr of the page entry | |
692 | * @src: src addr to copy from | |
693 | * @count: number of page entries to update | |
694 | * | |
695 | * Update PTEs by copying them from the GART using sDMA (CIK). | |
696 | */ | |
697 | static void cik_sdma_vm_copy_pte(struct amdgpu_ib *ib, | |
698 | uint64_t pe, uint64_t src, | |
699 | unsigned count) | |
700 | { | |
701 | while (count) { | |
702 | unsigned bytes = count * 8; | |
703 | if (bytes > 0x1FFFF8) | |
704 | bytes = 0x1FFFF8; | |
705 | ||
706 | ib->ptr[ib->length_dw++] = SDMA_PACKET(SDMA_OPCODE_COPY, | |
707 | SDMA_WRITE_SUB_OPCODE_LINEAR, 0); | |
708 | ib->ptr[ib->length_dw++] = bytes; | |
709 | ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ | |
710 | ib->ptr[ib->length_dw++] = lower_32_bits(src); | |
711 | ib->ptr[ib->length_dw++] = upper_32_bits(src); | |
712 | ib->ptr[ib->length_dw++] = lower_32_bits(pe); | |
713 | ib->ptr[ib->length_dw++] = upper_32_bits(pe); | |
714 | ||
715 | pe += bytes; | |
716 | src += bytes; | |
717 | count -= bytes / 8; | |
718 | } | |
719 | } | |
720 | ||
721 | /** | |
722 | * cik_sdma_vm_write_pages - update PTEs by writing them manually | |
723 | * | |
724 | * @ib: indirect buffer to fill with commands | |
725 | * @pe: addr of the page entry | |
726 | * @addr: dst addr to write into pe | |
727 | * @count: number of page entries to update | |
728 | * @incr: increase next addr by incr bytes | |
729 | * @flags: access flags | |
730 | * | |
731 | * Update PTEs by writing them manually using sDMA (CIK). | |
732 | */ | |
733 | static void cik_sdma_vm_write_pte(struct amdgpu_ib *ib, | |
b07c9d2a | 734 | const dma_addr_t *pages_addr, uint64_t pe, |
a2e73f56 AD |
735 | uint64_t addr, unsigned count, |
736 | uint32_t incr, uint32_t flags) | |
737 | { | |
738 | uint64_t value; | |
739 | unsigned ndw; | |
740 | ||
741 | while (count) { | |
742 | ndw = count * 2; | |
743 | if (ndw > 0xFFFFE) | |
744 | ndw = 0xFFFFE; | |
745 | ||
746 | /* for non-physically contiguous pages (system) */ | |
747 | ib->ptr[ib->length_dw++] = SDMA_PACKET(SDMA_OPCODE_WRITE, | |
748 | SDMA_WRITE_SUB_OPCODE_LINEAR, 0); | |
749 | ib->ptr[ib->length_dw++] = pe; | |
750 | ib->ptr[ib->length_dw++] = upper_32_bits(pe); | |
751 | ib->ptr[ib->length_dw++] = ndw; | |
752 | for (; ndw > 0; ndw -= 2, --count, pe += 8) { | |
b07c9d2a | 753 | value = amdgpu_vm_map_gart(pages_addr, addr); |
a2e73f56 AD |
754 | addr += incr; |
755 | value |= flags; | |
756 | ib->ptr[ib->length_dw++] = value; | |
757 | ib->ptr[ib->length_dw++] = upper_32_bits(value); | |
758 | } | |
759 | } | |
760 | } | |
761 | ||
762 | /** | |
763 | * cik_sdma_vm_set_pages - update the page tables using sDMA | |
764 | * | |
765 | * @ib: indirect buffer to fill with commands | |
766 | * @pe: addr of the page entry | |
767 | * @addr: dst addr to write into pe | |
768 | * @count: number of page entries to update | |
769 | * @incr: increase next addr by incr bytes | |
770 | * @flags: access flags | |
771 | * | |
772 | * Update the page tables using sDMA (CIK). | |
773 | */ | |
774 | static void cik_sdma_vm_set_pte_pde(struct amdgpu_ib *ib, | |
775 | uint64_t pe, | |
776 | uint64_t addr, unsigned count, | |
777 | uint32_t incr, uint32_t flags) | |
778 | { | |
779 | uint64_t value; | |
780 | unsigned ndw; | |
781 | ||
782 | while (count) { | |
783 | ndw = count; | |
784 | if (ndw > 0x7FFFF) | |
785 | ndw = 0x7FFFF; | |
786 | ||
787 | if (flags & AMDGPU_PTE_VALID) | |
788 | value = addr; | |
789 | else | |
790 | value = 0; | |
791 | ||
792 | /* for physically contiguous pages (vram) */ | |
793 | ib->ptr[ib->length_dw++] = SDMA_PACKET(SDMA_OPCODE_GENERATE_PTE_PDE, 0, 0); | |
794 | ib->ptr[ib->length_dw++] = pe; /* dst addr */ | |
795 | ib->ptr[ib->length_dw++] = upper_32_bits(pe); | |
796 | ib->ptr[ib->length_dw++] = flags; /* mask */ | |
797 | ib->ptr[ib->length_dw++] = 0; | |
798 | ib->ptr[ib->length_dw++] = value; /* value */ | |
799 | ib->ptr[ib->length_dw++] = upper_32_bits(value); | |
800 | ib->ptr[ib->length_dw++] = incr; /* increment size */ | |
801 | ib->ptr[ib->length_dw++] = 0; | |
802 | ib->ptr[ib->length_dw++] = ndw; /* number of entries */ | |
803 | ||
804 | pe += ndw * 8; | |
805 | addr += ndw * incr; | |
806 | count -= ndw; | |
807 | } | |
808 | } | |
809 | ||
810 | /** | |
811 | * cik_sdma_vm_pad_ib - pad the IB to the required number of dw | |
812 | * | |
813 | * @ib: indirect buffer to fill with padding | |
814 | * | |
815 | */ | |
9e5d5309 | 816 | static void cik_sdma_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib) |
a2e73f56 | 817 | { |
9e5d5309 | 818 | struct amdgpu_sdma_instance *sdma = amdgpu_get_sdma_instance(ring); |
ac01db3d JZ |
819 | u32 pad_count; |
820 | int i; | |
821 | ||
822 | pad_count = (8 - (ib->length_dw & 0x7)) % 8; | |
823 | for (i = 0; i < pad_count; i++) | |
824 | if (sdma && sdma->burst_nop && (i == 0)) | |
825 | ib->ptr[ib->length_dw++] = | |
826 | SDMA_PACKET(SDMA_OPCODE_NOP, 0, 0) | | |
827 | SDMA_NOP_COUNT(pad_count - 1); | |
828 | else | |
829 | ib->ptr[ib->length_dw++] = | |
830 | SDMA_PACKET(SDMA_OPCODE_NOP, 0, 0); | |
a2e73f56 AD |
831 | } |
832 | ||
833 | /** | |
00b7c4ff | 834 | * cik_sdma_ring_emit_pipeline_sync - sync the pipeline |
a2e73f56 AD |
835 | * |
836 | * @ring: amdgpu_ring pointer | |
a2e73f56 | 837 | * |
00b7c4ff | 838 | * Make sure all previous operations are completed (CIK). |
a2e73f56 | 839 | */ |
00b7c4ff | 840 | static void cik_sdma_ring_emit_pipeline_sync(struct amdgpu_ring *ring) |
a2e73f56 | 841 | { |
5c55db83 CZ |
842 | uint32_t seq = ring->fence_drv.sync_seq; |
843 | uint64_t addr = ring->fence_drv.gpu_addr; | |
844 | ||
845 | /* wait for idle */ | |
846 | amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_POLL_REG_MEM, 0, | |
847 | SDMA_POLL_REG_MEM_EXTRA_OP(0) | | |
848 | SDMA_POLL_REG_MEM_EXTRA_FUNC(3) | /* equal */ | |
849 | SDMA_POLL_REG_MEM_EXTRA_M)); | |
850 | amdgpu_ring_write(ring, addr & 0xfffffffc); | |
851 | amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff); | |
852 | amdgpu_ring_write(ring, seq); /* reference */ | |
853 | amdgpu_ring_write(ring, 0xfffffff); /* mask */ | |
854 | amdgpu_ring_write(ring, (0xfff << 16) | 4); /* retry count, poll interval */ | |
00b7c4ff | 855 | } |
5c55db83 | 856 | |
a2e73f56 AD |
857 | /** |
858 | * cik_sdma_ring_emit_vm_flush - cik vm flush using sDMA | |
859 | * | |
860 | * @ring: amdgpu_ring pointer | |
861 | * @vm: amdgpu_vm pointer | |
862 | * | |
863 | * Update the page table base and flush the VM TLB | |
864 | * using sDMA (CIK). | |
865 | */ | |
866 | static void cik_sdma_ring_emit_vm_flush(struct amdgpu_ring *ring, | |
867 | unsigned vm_id, uint64_t pd_addr) | |
868 | { | |
869 | u32 extra_bits = (SDMA_POLL_REG_MEM_EXTRA_OP(0) | | |
870 | SDMA_POLL_REG_MEM_EXTRA_FUNC(0)); /* always */ | |
871 | ||
872 | amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_SRBM_WRITE, 0, 0xf000)); | |
873 | if (vm_id < 8) { | |
874 | amdgpu_ring_write(ring, (mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vm_id)); | |
875 | } else { | |
876 | amdgpu_ring_write(ring, (mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + vm_id - 8)); | |
877 | } | |
878 | amdgpu_ring_write(ring, pd_addr >> 12); | |
879 | ||
a2e73f56 AD |
880 | /* flush TLB */ |
881 | amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_SRBM_WRITE, 0, 0xf000)); | |
882 | amdgpu_ring_write(ring, mmVM_INVALIDATE_REQUEST); | |
883 | amdgpu_ring_write(ring, 1 << vm_id); | |
884 | ||
885 | amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_POLL_REG_MEM, 0, extra_bits)); | |
886 | amdgpu_ring_write(ring, mmVM_INVALIDATE_REQUEST << 2); | |
887 | amdgpu_ring_write(ring, 0); | |
888 | amdgpu_ring_write(ring, 0); /* reference */ | |
889 | amdgpu_ring_write(ring, 0); /* mask */ | |
890 | amdgpu_ring_write(ring, (0xfff << 16) | 10); /* retry count, poll interval */ | |
891 | } | |
892 | ||
893 | static void cik_enable_sdma_mgcg(struct amdgpu_device *adev, | |
894 | bool enable) | |
895 | { | |
896 | u32 orig, data; | |
897 | ||
e3b04bc7 | 898 | if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG)) { |
a2e73f56 AD |
899 | WREG32(mmSDMA0_CLK_CTRL + SDMA0_REGISTER_OFFSET, 0x00000100); |
900 | WREG32(mmSDMA0_CLK_CTRL + SDMA1_REGISTER_OFFSET, 0x00000100); | |
901 | } else { | |
902 | orig = data = RREG32(mmSDMA0_CLK_CTRL + SDMA0_REGISTER_OFFSET); | |
903 | data |= 0xff000000; | |
904 | if (data != orig) | |
905 | WREG32(mmSDMA0_CLK_CTRL + SDMA0_REGISTER_OFFSET, data); | |
906 | ||
907 | orig = data = RREG32(mmSDMA0_CLK_CTRL + SDMA1_REGISTER_OFFSET); | |
908 | data |= 0xff000000; | |
909 | if (data != orig) | |
910 | WREG32(mmSDMA0_CLK_CTRL + SDMA1_REGISTER_OFFSET, data); | |
911 | } | |
912 | } | |
913 | ||
914 | static void cik_enable_sdma_mgls(struct amdgpu_device *adev, | |
915 | bool enable) | |
916 | { | |
917 | u32 orig, data; | |
918 | ||
e3b04bc7 | 919 | if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS)) { |
a2e73f56 AD |
920 | orig = data = RREG32(mmSDMA0_POWER_CNTL + SDMA0_REGISTER_OFFSET); |
921 | data |= 0x100; | |
922 | if (orig != data) | |
923 | WREG32(mmSDMA0_POWER_CNTL + SDMA0_REGISTER_OFFSET, data); | |
924 | ||
925 | orig = data = RREG32(mmSDMA0_POWER_CNTL + SDMA1_REGISTER_OFFSET); | |
926 | data |= 0x100; | |
927 | if (orig != data) | |
928 | WREG32(mmSDMA0_POWER_CNTL + SDMA1_REGISTER_OFFSET, data); | |
929 | } else { | |
930 | orig = data = RREG32(mmSDMA0_POWER_CNTL + SDMA0_REGISTER_OFFSET); | |
931 | data &= ~0x100; | |
932 | if (orig != data) | |
933 | WREG32(mmSDMA0_POWER_CNTL + SDMA0_REGISTER_OFFSET, data); | |
934 | ||
935 | orig = data = RREG32(mmSDMA0_POWER_CNTL + SDMA1_REGISTER_OFFSET); | |
936 | data &= ~0x100; | |
937 | if (orig != data) | |
938 | WREG32(mmSDMA0_POWER_CNTL + SDMA1_REGISTER_OFFSET, data); | |
939 | } | |
940 | } | |
941 | ||
5fc3aeeb | 942 | static int cik_sdma_early_init(void *handle) |
a2e73f56 | 943 | { |
5fc3aeeb | 944 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
945 | ||
c113ea1c AD |
946 | adev->sdma.num_instances = SDMA_MAX_INSTANCE; |
947 | ||
a2e73f56 AD |
948 | cik_sdma_set_ring_funcs(adev); |
949 | cik_sdma_set_irq_funcs(adev); | |
950 | cik_sdma_set_buffer_funcs(adev); | |
951 | cik_sdma_set_vm_pte_funcs(adev); | |
952 | ||
953 | return 0; | |
954 | } | |
955 | ||
5fc3aeeb | 956 | static int cik_sdma_sw_init(void *handle) |
a2e73f56 AD |
957 | { |
958 | struct amdgpu_ring *ring; | |
5fc3aeeb | 959 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
c113ea1c | 960 | int r, i; |
a2e73f56 AD |
961 | |
962 | r = cik_sdma_init_microcode(adev); | |
963 | if (r) { | |
964 | DRM_ERROR("Failed to load sdma firmware!\n"); | |
965 | return r; | |
966 | } | |
967 | ||
968 | /* SDMA trap event */ | |
c113ea1c | 969 | r = amdgpu_irq_add_id(adev, 224, &adev->sdma.trap_irq); |
a2e73f56 AD |
970 | if (r) |
971 | return r; | |
972 | ||
973 | /* SDMA Privileged inst */ | |
c113ea1c | 974 | r = amdgpu_irq_add_id(adev, 241, &adev->sdma.illegal_inst_irq); |
a2e73f56 AD |
975 | if (r) |
976 | return r; | |
977 | ||
978 | /* SDMA Privileged inst */ | |
c113ea1c | 979 | r = amdgpu_irq_add_id(adev, 247, &adev->sdma.illegal_inst_irq); |
a2e73f56 AD |
980 | if (r) |
981 | return r; | |
982 | ||
c113ea1c AD |
983 | for (i = 0; i < adev->sdma.num_instances; i++) { |
984 | ring = &adev->sdma.instance[i].ring; | |
985 | ring->ring_obj = NULL; | |
986 | sprintf(ring->name, "sdma%d", i); | |
b38d99c4 | 987 | r = amdgpu_ring_init(adev, ring, 1024, |
c113ea1c AD |
988 | SDMA_PACKET(SDMA_OPCODE_NOP, 0, 0), 0xf, |
989 | &adev->sdma.trap_irq, | |
990 | (i == 0) ? | |
991 | AMDGPU_SDMA_IRQ_TRAP0 : AMDGPU_SDMA_IRQ_TRAP1, | |
992 | AMDGPU_RING_TYPE_SDMA); | |
993 | if (r) | |
994 | return r; | |
995 | } | |
a2e73f56 AD |
996 | |
997 | return r; | |
998 | } | |
999 | ||
5fc3aeeb | 1000 | static int cik_sdma_sw_fini(void *handle) |
a2e73f56 | 1001 | { |
5fc3aeeb | 1002 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
c113ea1c | 1003 | int i; |
5fc3aeeb | 1004 | |
c113ea1c AD |
1005 | for (i = 0; i < adev->sdma.num_instances; i++) |
1006 | amdgpu_ring_fini(&adev->sdma.instance[i].ring); | |
a2e73f56 AD |
1007 | |
1008 | return 0; | |
1009 | } | |
1010 | ||
5fc3aeeb | 1011 | static int cik_sdma_hw_init(void *handle) |
a2e73f56 AD |
1012 | { |
1013 | int r; | |
5fc3aeeb | 1014 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
a2e73f56 AD |
1015 | |
1016 | r = cik_sdma_start(adev); | |
1017 | if (r) | |
1018 | return r; | |
1019 | ||
1020 | return r; | |
1021 | } | |
1022 | ||
5fc3aeeb | 1023 | static int cik_sdma_hw_fini(void *handle) |
a2e73f56 | 1024 | { |
5fc3aeeb | 1025 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
1026 | ||
a2e73f56 AD |
1027 | cik_sdma_enable(adev, false); |
1028 | ||
1029 | return 0; | |
1030 | } | |
1031 | ||
5fc3aeeb | 1032 | static int cik_sdma_suspend(void *handle) |
a2e73f56 | 1033 | { |
5fc3aeeb | 1034 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
a2e73f56 AD |
1035 | |
1036 | return cik_sdma_hw_fini(adev); | |
1037 | } | |
1038 | ||
5fc3aeeb | 1039 | static int cik_sdma_resume(void *handle) |
a2e73f56 | 1040 | { |
5fc3aeeb | 1041 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
a2e73f56 AD |
1042 | |
1043 | return cik_sdma_hw_init(adev); | |
1044 | } | |
1045 | ||
5fc3aeeb | 1046 | static bool cik_sdma_is_idle(void *handle) |
a2e73f56 | 1047 | { |
5fc3aeeb | 1048 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
a2e73f56 AD |
1049 | u32 tmp = RREG32(mmSRBM_STATUS2); |
1050 | ||
1051 | if (tmp & (SRBM_STATUS2__SDMA_BUSY_MASK | | |
1052 | SRBM_STATUS2__SDMA1_BUSY_MASK)) | |
1053 | return false; | |
1054 | ||
1055 | return true; | |
1056 | } | |
1057 | ||
5fc3aeeb | 1058 | static int cik_sdma_wait_for_idle(void *handle) |
a2e73f56 AD |
1059 | { |
1060 | unsigned i; | |
1061 | u32 tmp; | |
5fc3aeeb | 1062 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
a2e73f56 AD |
1063 | |
1064 | for (i = 0; i < adev->usec_timeout; i++) { | |
1065 | tmp = RREG32(mmSRBM_STATUS2) & (SRBM_STATUS2__SDMA_BUSY_MASK | | |
1066 | SRBM_STATUS2__SDMA1_BUSY_MASK); | |
1067 | ||
1068 | if (!tmp) | |
1069 | return 0; | |
1070 | udelay(1); | |
1071 | } | |
1072 | return -ETIMEDOUT; | |
1073 | } | |
1074 | ||
5fc3aeeb | 1075 | static int cik_sdma_soft_reset(void *handle) |
a2e73f56 AD |
1076 | { |
1077 | u32 srbm_soft_reset = 0; | |
5fc3aeeb | 1078 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
a2e73f56 AD |
1079 | u32 tmp = RREG32(mmSRBM_STATUS2); |
1080 | ||
1081 | if (tmp & SRBM_STATUS2__SDMA_BUSY_MASK) { | |
1082 | /* sdma0 */ | |
1083 | tmp = RREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET); | |
1084 | tmp |= SDMA0_F32_CNTL__HALT_MASK; | |
1085 | WREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET, tmp); | |
1086 | srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_SDMA_MASK; | |
1087 | } | |
1088 | if (tmp & SRBM_STATUS2__SDMA1_BUSY_MASK) { | |
1089 | /* sdma1 */ | |
1090 | tmp = RREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET); | |
1091 | tmp |= SDMA0_F32_CNTL__HALT_MASK; | |
1092 | WREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET, tmp); | |
1093 | srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_SDMA1_MASK; | |
1094 | } | |
1095 | ||
1096 | if (srbm_soft_reset) { | |
a2e73f56 AD |
1097 | tmp = RREG32(mmSRBM_SOFT_RESET); |
1098 | tmp |= srbm_soft_reset; | |
1099 | dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); | |
1100 | WREG32(mmSRBM_SOFT_RESET, tmp); | |
1101 | tmp = RREG32(mmSRBM_SOFT_RESET); | |
1102 | ||
1103 | udelay(50); | |
1104 | ||
1105 | tmp &= ~srbm_soft_reset; | |
1106 | WREG32(mmSRBM_SOFT_RESET, tmp); | |
1107 | tmp = RREG32(mmSRBM_SOFT_RESET); | |
1108 | ||
1109 | /* Wait a little for things to settle down */ | |
1110 | udelay(50); | |
a2e73f56 AD |
1111 | } |
1112 | ||
1113 | return 0; | |
1114 | } | |
1115 | ||
1116 | static int cik_sdma_set_trap_irq_state(struct amdgpu_device *adev, | |
1117 | struct amdgpu_irq_src *src, | |
1118 | unsigned type, | |
1119 | enum amdgpu_interrupt_state state) | |
1120 | { | |
1121 | u32 sdma_cntl; | |
1122 | ||
1123 | switch (type) { | |
1124 | case AMDGPU_SDMA_IRQ_TRAP0: | |
1125 | switch (state) { | |
1126 | case AMDGPU_IRQ_STATE_DISABLE: | |
1127 | sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET); | |
1128 | sdma_cntl &= ~SDMA0_CNTL__TRAP_ENABLE_MASK; | |
1129 | WREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET, sdma_cntl); | |
1130 | break; | |
1131 | case AMDGPU_IRQ_STATE_ENABLE: | |
1132 | sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET); | |
1133 | sdma_cntl |= SDMA0_CNTL__TRAP_ENABLE_MASK; | |
1134 | WREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET, sdma_cntl); | |
1135 | break; | |
1136 | default: | |
1137 | break; | |
1138 | } | |
1139 | break; | |
1140 | case AMDGPU_SDMA_IRQ_TRAP1: | |
1141 | switch (state) { | |
1142 | case AMDGPU_IRQ_STATE_DISABLE: | |
1143 | sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET); | |
1144 | sdma_cntl &= ~SDMA0_CNTL__TRAP_ENABLE_MASK; | |
1145 | WREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET, sdma_cntl); | |
1146 | break; | |
1147 | case AMDGPU_IRQ_STATE_ENABLE: | |
1148 | sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET); | |
1149 | sdma_cntl |= SDMA0_CNTL__TRAP_ENABLE_MASK; | |
1150 | WREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET, sdma_cntl); | |
1151 | break; | |
1152 | default: | |
1153 | break; | |
1154 | } | |
1155 | break; | |
1156 | default: | |
1157 | break; | |
1158 | } | |
1159 | return 0; | |
1160 | } | |
1161 | ||
1162 | static int cik_sdma_process_trap_irq(struct amdgpu_device *adev, | |
1163 | struct amdgpu_irq_src *source, | |
1164 | struct amdgpu_iv_entry *entry) | |
1165 | { | |
1166 | u8 instance_id, queue_id; | |
1167 | ||
1168 | instance_id = (entry->ring_id & 0x3) >> 0; | |
1169 | queue_id = (entry->ring_id & 0xc) >> 2; | |
1170 | DRM_DEBUG("IH: SDMA trap\n"); | |
1171 | switch (instance_id) { | |
1172 | case 0: | |
1173 | switch (queue_id) { | |
1174 | case 0: | |
c113ea1c | 1175 | amdgpu_fence_process(&adev->sdma.instance[0].ring); |
a2e73f56 AD |
1176 | break; |
1177 | case 1: | |
1178 | /* XXX compute */ | |
1179 | break; | |
1180 | case 2: | |
1181 | /* XXX compute */ | |
1182 | break; | |
1183 | } | |
1184 | break; | |
1185 | case 1: | |
1186 | switch (queue_id) { | |
1187 | case 0: | |
c113ea1c | 1188 | amdgpu_fence_process(&adev->sdma.instance[1].ring); |
a2e73f56 AD |
1189 | break; |
1190 | case 1: | |
1191 | /* XXX compute */ | |
1192 | break; | |
1193 | case 2: | |
1194 | /* XXX compute */ | |
1195 | break; | |
1196 | } | |
1197 | break; | |
1198 | } | |
1199 | ||
1200 | return 0; | |
1201 | } | |
1202 | ||
1203 | static int cik_sdma_process_illegal_inst_irq(struct amdgpu_device *adev, | |
1204 | struct amdgpu_irq_src *source, | |
1205 | struct amdgpu_iv_entry *entry) | |
1206 | { | |
1207 | DRM_ERROR("Illegal instruction in SDMA command stream\n"); | |
1208 | schedule_work(&adev->reset_work); | |
1209 | return 0; | |
1210 | } | |
1211 | ||
5fc3aeeb | 1212 | static int cik_sdma_set_clockgating_state(void *handle, |
1213 | enum amd_clockgating_state state) | |
a2e73f56 AD |
1214 | { |
1215 | bool gate = false; | |
5fc3aeeb | 1216 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; |
a2e73f56 | 1217 | |
5fc3aeeb | 1218 | if (state == AMD_CG_STATE_GATE) |
a2e73f56 AD |
1219 | gate = true; |
1220 | ||
1221 | cik_enable_sdma_mgcg(adev, gate); | |
1222 | cik_enable_sdma_mgls(adev, gate); | |
1223 | ||
1224 | return 0; | |
1225 | } | |
1226 | ||
5fc3aeeb | 1227 | static int cik_sdma_set_powergating_state(void *handle, |
1228 | enum amd_powergating_state state) | |
a2e73f56 AD |
1229 | { |
1230 | return 0; | |
1231 | } | |
1232 | ||
5fc3aeeb | 1233 | const struct amd_ip_funcs cik_sdma_ip_funcs = { |
88a907d6 | 1234 | .name = "cik_sdma", |
a2e73f56 AD |
1235 | .early_init = cik_sdma_early_init, |
1236 | .late_init = NULL, | |
1237 | .sw_init = cik_sdma_sw_init, | |
1238 | .sw_fini = cik_sdma_sw_fini, | |
1239 | .hw_init = cik_sdma_hw_init, | |
1240 | .hw_fini = cik_sdma_hw_fini, | |
1241 | .suspend = cik_sdma_suspend, | |
1242 | .resume = cik_sdma_resume, | |
1243 | .is_idle = cik_sdma_is_idle, | |
1244 | .wait_for_idle = cik_sdma_wait_for_idle, | |
1245 | .soft_reset = cik_sdma_soft_reset, | |
a2e73f56 AD |
1246 | .set_clockgating_state = cik_sdma_set_clockgating_state, |
1247 | .set_powergating_state = cik_sdma_set_powergating_state, | |
1248 | }; | |
1249 | ||
a2e73f56 AD |
1250 | static const struct amdgpu_ring_funcs cik_sdma_ring_funcs = { |
1251 | .get_rptr = cik_sdma_ring_get_rptr, | |
1252 | .get_wptr = cik_sdma_ring_get_wptr, | |
1253 | .set_wptr = cik_sdma_ring_set_wptr, | |
1254 | .parse_cs = NULL, | |
1255 | .emit_ib = cik_sdma_ring_emit_ib, | |
1256 | .emit_fence = cik_sdma_ring_emit_fence, | |
00b7c4ff | 1257 | .emit_pipeline_sync = cik_sdma_ring_emit_pipeline_sync, |
a2e73f56 | 1258 | .emit_vm_flush = cik_sdma_ring_emit_vm_flush, |
d2edb07b | 1259 | .emit_hdp_flush = cik_sdma_ring_emit_hdp_flush, |
498dd97d | 1260 | .emit_hdp_invalidate = cik_sdma_ring_emit_hdp_invalidate, |
a2e73f56 AD |
1261 | .test_ring = cik_sdma_ring_test_ring, |
1262 | .test_ib = cik_sdma_ring_test_ib, | |
ac01db3d | 1263 | .insert_nop = cik_sdma_ring_insert_nop, |
9e5d5309 | 1264 | .pad_ib = cik_sdma_ring_pad_ib, |
a2e73f56 AD |
1265 | }; |
1266 | ||
1267 | static void cik_sdma_set_ring_funcs(struct amdgpu_device *adev) | |
1268 | { | |
c113ea1c AD |
1269 | int i; |
1270 | ||
1271 | for (i = 0; i < adev->sdma.num_instances; i++) | |
1272 | adev->sdma.instance[i].ring.funcs = &cik_sdma_ring_funcs; | |
a2e73f56 AD |
1273 | } |
1274 | ||
1275 | static const struct amdgpu_irq_src_funcs cik_sdma_trap_irq_funcs = { | |
1276 | .set = cik_sdma_set_trap_irq_state, | |
1277 | .process = cik_sdma_process_trap_irq, | |
1278 | }; | |
1279 | ||
1280 | static const struct amdgpu_irq_src_funcs cik_sdma_illegal_inst_irq_funcs = { | |
1281 | .process = cik_sdma_process_illegal_inst_irq, | |
1282 | }; | |
1283 | ||
1284 | static void cik_sdma_set_irq_funcs(struct amdgpu_device *adev) | |
1285 | { | |
c113ea1c AD |
1286 | adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_LAST; |
1287 | adev->sdma.trap_irq.funcs = &cik_sdma_trap_irq_funcs; | |
1288 | adev->sdma.illegal_inst_irq.funcs = &cik_sdma_illegal_inst_irq_funcs; | |
a2e73f56 AD |
1289 | } |
1290 | ||
1291 | /** | |
1292 | * cik_sdma_emit_copy_buffer - copy buffer using the sDMA engine | |
1293 | * | |
1294 | * @ring: amdgpu_ring structure holding ring information | |
1295 | * @src_offset: src GPU address | |
1296 | * @dst_offset: dst GPU address | |
1297 | * @byte_count: number of bytes to xfer | |
1298 | * | |
1299 | * Copy GPU buffers using the DMA engine (CIK). | |
1300 | * Used by the amdgpu ttm implementation to move pages if | |
1301 | * registered as the asic copy callback. | |
1302 | */ | |
c7ae72c0 | 1303 | static void cik_sdma_emit_copy_buffer(struct amdgpu_ib *ib, |
a2e73f56 AD |
1304 | uint64_t src_offset, |
1305 | uint64_t dst_offset, | |
1306 | uint32_t byte_count) | |
1307 | { | |
c7ae72c0 CZ |
1308 | ib->ptr[ib->length_dw++] = SDMA_PACKET(SDMA_OPCODE_COPY, SDMA_COPY_SUB_OPCODE_LINEAR, 0); |
1309 | ib->ptr[ib->length_dw++] = byte_count; | |
1310 | ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */ | |
1311 | ib->ptr[ib->length_dw++] = lower_32_bits(src_offset); | |
1312 | ib->ptr[ib->length_dw++] = upper_32_bits(src_offset); | |
1313 | ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); | |
1314 | ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); | |
a2e73f56 AD |
1315 | } |
1316 | ||
1317 | /** | |
1318 | * cik_sdma_emit_fill_buffer - fill buffer using the sDMA engine | |
1319 | * | |
1320 | * @ring: amdgpu_ring structure holding ring information | |
1321 | * @src_data: value to write to buffer | |
1322 | * @dst_offset: dst GPU address | |
1323 | * @byte_count: number of bytes to xfer | |
1324 | * | |
1325 | * Fill GPU buffers using the DMA engine (CIK). | |
1326 | */ | |
6e7a3840 | 1327 | static void cik_sdma_emit_fill_buffer(struct amdgpu_ib *ib, |
a2e73f56 AD |
1328 | uint32_t src_data, |
1329 | uint64_t dst_offset, | |
1330 | uint32_t byte_count) | |
1331 | { | |
6e7a3840 CZ |
1332 | ib->ptr[ib->length_dw++] = SDMA_PACKET(SDMA_OPCODE_CONSTANT_FILL, 0, 0); |
1333 | ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset); | |
1334 | ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset); | |
1335 | ib->ptr[ib->length_dw++] = src_data; | |
1336 | ib->ptr[ib->length_dw++] = byte_count; | |
a2e73f56 AD |
1337 | } |
1338 | ||
1339 | static const struct amdgpu_buffer_funcs cik_sdma_buffer_funcs = { | |
1340 | .copy_max_bytes = 0x1fffff, | |
1341 | .copy_num_dw = 7, | |
1342 | .emit_copy_buffer = cik_sdma_emit_copy_buffer, | |
1343 | ||
1344 | .fill_max_bytes = 0x1fffff, | |
1345 | .fill_num_dw = 5, | |
1346 | .emit_fill_buffer = cik_sdma_emit_fill_buffer, | |
1347 | }; | |
1348 | ||
1349 | static void cik_sdma_set_buffer_funcs(struct amdgpu_device *adev) | |
1350 | { | |
1351 | if (adev->mman.buffer_funcs == NULL) { | |
1352 | adev->mman.buffer_funcs = &cik_sdma_buffer_funcs; | |
c113ea1c | 1353 | adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring; |
a2e73f56 AD |
1354 | } |
1355 | } | |
1356 | ||
1357 | static const struct amdgpu_vm_pte_funcs cik_sdma_vm_pte_funcs = { | |
1358 | .copy_pte = cik_sdma_vm_copy_pte, | |
1359 | .write_pte = cik_sdma_vm_write_pte, | |
1360 | .set_pte_pde = cik_sdma_vm_set_pte_pde, | |
a2e73f56 AD |
1361 | }; |
1362 | ||
1363 | static void cik_sdma_set_vm_pte_funcs(struct amdgpu_device *adev) | |
1364 | { | |
2d55e45a CK |
1365 | unsigned i; |
1366 | ||
a2e73f56 AD |
1367 | if (adev->vm_manager.vm_pte_funcs == NULL) { |
1368 | adev->vm_manager.vm_pte_funcs = &cik_sdma_vm_pte_funcs; | |
2d55e45a CK |
1369 | for (i = 0; i < adev->sdma.num_instances; i++) |
1370 | adev->vm_manager.vm_pte_rings[i] = | |
1371 | &adev->sdma.instance[i].ring; | |
1372 | ||
1373 | adev->vm_manager.vm_pte_num_rings = adev->sdma.num_instances; | |
a2e73f56 AD |
1374 | } |
1375 | } |