2 * Copyright 2013 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
22 * Authors: Alex Deucher
24 #include <linux/firmware.h>
27 #include "amdgpu_ucode.h"
28 #include "amdgpu_trace.h"
32 #include "bif/bif_4_1_d.h"
33 #include "bif/bif_4_1_sh_mask.h"
35 #include "gca/gfx_7_2_d.h"
36 #include "gca/gfx_7_2_enum.h"
37 #include "gca/gfx_7_2_sh_mask.h"
39 #include "gmc/gmc_7_1_d.h"
40 #include "gmc/gmc_7_1_sh_mask.h"
42 #include "oss/oss_2_0_d.h"
43 #include "oss/oss_2_0_sh_mask.h"
45 static const u32 sdma_offsets[SDMA_MAX_INSTANCE] =
47 SDMA0_REGISTER_OFFSET,
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 static int cik_sdma_soft_reset(void *handle);
57 MODULE_FIRMWARE("radeon/bonaire_sdma.bin");
58 MODULE_FIRMWARE("radeon/bonaire_sdma1.bin");
59 MODULE_FIRMWARE("radeon/hawaii_sdma.bin");
60 MODULE_FIRMWARE("radeon/hawaii_sdma1.bin");
61 MODULE_FIRMWARE("radeon/kaveri_sdma.bin");
62 MODULE_FIRMWARE("radeon/kaveri_sdma1.bin");
63 MODULE_FIRMWARE("radeon/kabini_sdma.bin");
64 MODULE_FIRMWARE("radeon/kabini_sdma1.bin");
65 MODULE_FIRMWARE("radeon/mullins_sdma.bin");
66 MODULE_FIRMWARE("radeon/mullins_sdma1.bin");
68 u32 amdgpu_cik_gpu_check_soft_reset(struct amdgpu_device *adev);
71 static void cik_sdma_free_microcode(struct amdgpu_device *adev)
74 for (i = 0; i < adev->sdma.num_instances; i++) {
75 release_firmware(adev->sdma.instance[i].fw);
76 adev->sdma.instance[i].fw = NULL;
82 * Starting with CIK, the GPU has new asynchronous
83 * DMA engines. These engines are used for compute
84 * and gfx. There are two DMA engines (SDMA0, SDMA1)
85 * and each one supports 1 ring buffer used for gfx
86 * and 2 queues used for compute.
88 * The programming model is very similar to the CP
89 * (ring buffer, IBs, etc.), but sDMA has it's own
90 * packet format that is different from the PM4 format
91 * used by the CP. sDMA supports copying data, writing
92 * embedded data, solid fills, and a number of other
93 * things. It also has support for tiling/detiling of
98 * cik_sdma_init_microcode - load ucode images from disk
100 * @adev: amdgpu_device pointer
102 * Use the firmware interface to load the ucode images into
103 * the driver (not loaded into hw).
104 * Returns 0 on success, error on failure.
106 static int cik_sdma_init_microcode(struct amdgpu_device *adev)
108 const char *chip_name;
114 switch (adev->asic_type) {
116 chip_name = "bonaire";
119 chip_name = "hawaii";
122 chip_name = "kaveri";
125 chip_name = "kabini";
128 chip_name = "mullins";
133 for (i = 0; i < adev->sdma.num_instances; i++) {
135 snprintf(fw_name, sizeof(fw_name), "radeon/%s_sdma.bin", chip_name);
137 snprintf(fw_name, sizeof(fw_name), "radeon/%s_sdma1.bin", chip_name);
138 err = request_firmware(&adev->sdma.instance[i].fw, fw_name, adev->dev);
141 err = amdgpu_ucode_validate(adev->sdma.instance[i].fw);
145 pr_err("cik_sdma: Failed to load firmware \"%s\"\n", fw_name);
146 for (i = 0; i < adev->sdma.num_instances; i++) {
147 release_firmware(adev->sdma.instance[i].fw);
148 adev->sdma.instance[i].fw = NULL;
155 * cik_sdma_ring_get_rptr - get the current read pointer
157 * @ring: amdgpu ring pointer
159 * Get the current rptr from the hardware (CIK+).
161 static uint64_t cik_sdma_ring_get_rptr(struct amdgpu_ring *ring)
165 rptr = ring->adev->wb.wb[ring->rptr_offs];
167 return (rptr & 0x3fffc) >> 2;
171 * cik_sdma_ring_get_wptr - get the current write pointer
173 * @ring: amdgpu ring pointer
175 * Get the current wptr from the hardware (CIK+).
177 static uint64_t cik_sdma_ring_get_wptr(struct amdgpu_ring *ring)
179 struct amdgpu_device *adev = ring->adev;
180 u32 me = (ring == &adev->sdma.instance[0].ring) ? 0 : 1;
182 return (RREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[me]) & 0x3fffc) >> 2;
186 * cik_sdma_ring_set_wptr - commit the write pointer
188 * @ring: amdgpu ring pointer
190 * Write the wptr back to the hardware (CIK+).
192 static void cik_sdma_ring_set_wptr(struct amdgpu_ring *ring)
194 struct amdgpu_device *adev = ring->adev;
195 u32 me = (ring == &adev->sdma.instance[0].ring) ? 0 : 1;
197 WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[me],
198 (lower_32_bits(ring->wptr) << 2) & 0x3fffc);
201 static void cik_sdma_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
203 struct amdgpu_sdma_instance *sdma = amdgpu_get_sdma_instance(ring);
206 for (i = 0; i < count; i++)
207 if (sdma && sdma->burst_nop && (i == 0))
208 amdgpu_ring_write(ring, ring->funcs->nop |
209 SDMA_NOP_COUNT(count - 1));
211 amdgpu_ring_write(ring, ring->funcs->nop);
215 * cik_sdma_ring_emit_ib - Schedule an IB on the DMA engine
217 * @ring: amdgpu ring pointer
218 * @ib: IB object to schedule
220 * Schedule an IB in the DMA ring (CIK).
222 static void cik_sdma_ring_emit_ib(struct amdgpu_ring *ring,
223 struct amdgpu_ib *ib,
224 unsigned vm_id, bool ctx_switch)
226 u32 extra_bits = vm_id & 0xf;
228 /* IB packet must end on a 8 DW boundary */
229 cik_sdma_ring_insert_nop(ring, (12 - (lower_32_bits(ring->wptr) & 7)) % 8);
231 amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_INDIRECT_BUFFER, 0, extra_bits));
232 amdgpu_ring_write(ring, ib->gpu_addr & 0xffffffe0); /* base must be 32 byte aligned */
233 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xffffffff);
234 amdgpu_ring_write(ring, ib->length_dw);
239 * cik_sdma_ring_emit_hdp_flush - emit an hdp flush on the DMA ring
241 * @ring: amdgpu ring pointer
243 * Emit an hdp flush packet on the requested DMA ring.
245 static void cik_sdma_ring_emit_hdp_flush(struct amdgpu_ring *ring)
247 u32 extra_bits = (SDMA_POLL_REG_MEM_EXTRA_OP(1) |
248 SDMA_POLL_REG_MEM_EXTRA_FUNC(3)); /* == */
251 if (ring == &ring->adev->sdma.instance[0].ring)
252 ref_and_mask = GPU_HDP_FLUSH_DONE__SDMA0_MASK;
254 ref_and_mask = GPU_HDP_FLUSH_DONE__SDMA1_MASK;
256 amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_POLL_REG_MEM, 0, extra_bits));
257 amdgpu_ring_write(ring, mmGPU_HDP_FLUSH_DONE << 2);
258 amdgpu_ring_write(ring, mmGPU_HDP_FLUSH_REQ << 2);
259 amdgpu_ring_write(ring, ref_and_mask); /* reference */
260 amdgpu_ring_write(ring, ref_and_mask); /* mask */
261 amdgpu_ring_write(ring, (0xfff << 16) | 10); /* retry count, poll interval */
264 static void cik_sdma_ring_emit_hdp_invalidate(struct amdgpu_ring *ring)
266 amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_SRBM_WRITE, 0, 0xf000));
267 amdgpu_ring_write(ring, mmHDP_DEBUG0);
268 amdgpu_ring_write(ring, 1);
272 * cik_sdma_ring_emit_fence - emit a fence on the DMA ring
274 * @ring: amdgpu ring pointer
275 * @fence: amdgpu fence object
277 * Add a DMA fence packet to the ring to write
278 * the fence seq number and DMA trap packet to generate
279 * an interrupt if needed (CIK).
281 static void cik_sdma_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
284 bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT;
285 /* write the fence */
286 amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_FENCE, 0, 0));
287 amdgpu_ring_write(ring, lower_32_bits(addr));
288 amdgpu_ring_write(ring, upper_32_bits(addr));
289 amdgpu_ring_write(ring, lower_32_bits(seq));
291 /* optionally write high bits as well */
294 amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_FENCE, 0, 0));
295 amdgpu_ring_write(ring, lower_32_bits(addr));
296 amdgpu_ring_write(ring, upper_32_bits(addr));
297 amdgpu_ring_write(ring, upper_32_bits(seq));
300 /* generate an interrupt */
301 amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_TRAP, 0, 0));
305 * cik_sdma_gfx_stop - stop the gfx async dma engines
307 * @adev: amdgpu_device pointer
309 * Stop the gfx async dma ring buffers (CIK).
311 static void cik_sdma_gfx_stop(struct amdgpu_device *adev)
313 struct amdgpu_ring *sdma0 = &adev->sdma.instance[0].ring;
314 struct amdgpu_ring *sdma1 = &adev->sdma.instance[1].ring;
318 if ((adev->mman.buffer_funcs_ring == sdma0) ||
319 (adev->mman.buffer_funcs_ring == sdma1))
320 amdgpu_ttm_set_active_vram_size(adev, adev->mc.visible_vram_size);
322 for (i = 0; i < adev->sdma.num_instances; i++) {
323 rb_cntl = RREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i]);
324 rb_cntl &= ~SDMA0_GFX_RB_CNTL__RB_ENABLE_MASK;
325 WREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i], rb_cntl);
326 WREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i], 0);
328 sdma0->ready = false;
329 sdma1->ready = false;
333 * cik_sdma_rlc_stop - stop the compute async dma engines
335 * @adev: amdgpu_device pointer
337 * Stop the compute async dma queues (CIK).
339 static void cik_sdma_rlc_stop(struct amdgpu_device *adev)
345 * cik_sdma_enable - stop the async dma engines
347 * @adev: amdgpu_device pointer
348 * @enable: enable/disable the DMA MEs.
350 * Halt or unhalt the async dma engines (CIK).
352 static void cik_sdma_enable(struct amdgpu_device *adev, bool enable)
358 cik_sdma_gfx_stop(adev);
359 cik_sdma_rlc_stop(adev);
362 for (i = 0; i < adev->sdma.num_instances; i++) {
363 me_cntl = RREG32(mmSDMA0_F32_CNTL + sdma_offsets[i]);
365 me_cntl &= ~SDMA0_F32_CNTL__HALT_MASK;
367 me_cntl |= SDMA0_F32_CNTL__HALT_MASK;
368 WREG32(mmSDMA0_F32_CNTL + sdma_offsets[i], me_cntl);
373 * cik_sdma_gfx_resume - setup and start the async dma engines
375 * @adev: amdgpu_device pointer
377 * Set up the gfx DMA ring buffers and enable them (CIK).
378 * Returns 0 for success, error for failure.
380 static int cik_sdma_gfx_resume(struct amdgpu_device *adev)
382 struct amdgpu_ring *ring;
383 u32 rb_cntl, ib_cntl;
388 for (i = 0; i < adev->sdma.num_instances; i++) {
389 ring = &adev->sdma.instance[i].ring;
390 wb_offset = (ring->rptr_offs * 4);
392 mutex_lock(&adev->srbm_mutex);
393 for (j = 0; j < 16; j++) {
394 cik_srbm_select(adev, 0, 0, 0, j);
396 WREG32(mmSDMA0_GFX_VIRTUAL_ADDR + sdma_offsets[i], 0);
397 WREG32(mmSDMA0_GFX_APE1_CNTL + sdma_offsets[i], 0);
398 /* XXX SDMA RLC - todo */
400 cik_srbm_select(adev, 0, 0, 0, 0);
401 mutex_unlock(&adev->srbm_mutex);
403 WREG32(mmSDMA0_TILING_CONFIG + sdma_offsets[i],
404 adev->gfx.config.gb_addr_config & 0x70);
406 WREG32(mmSDMA0_SEM_INCOMPLETE_TIMER_CNTL + sdma_offsets[i], 0);
407 WREG32(mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL + sdma_offsets[i], 0);
409 /* Set ring buffer size in dwords */
410 rb_bufsz = order_base_2(ring->ring_size / 4);
411 rb_cntl = rb_bufsz << 1;
413 rb_cntl |= SDMA0_GFX_RB_CNTL__RB_SWAP_ENABLE_MASK |
414 SDMA0_GFX_RB_CNTL__RPTR_WRITEBACK_SWAP_ENABLE_MASK;
416 WREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i], rb_cntl);
418 /* Initialize the ring buffer's read and write pointers */
419 WREG32(mmSDMA0_GFX_RB_RPTR + sdma_offsets[i], 0);
420 WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[i], 0);
421 WREG32(mmSDMA0_GFX_IB_RPTR + sdma_offsets[i], 0);
422 WREG32(mmSDMA0_GFX_IB_OFFSET + sdma_offsets[i], 0);
424 /* set the wb address whether it's enabled or not */
425 WREG32(mmSDMA0_GFX_RB_RPTR_ADDR_HI + sdma_offsets[i],
426 upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF);
427 WREG32(mmSDMA0_GFX_RB_RPTR_ADDR_LO + sdma_offsets[i],
428 ((adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC));
430 rb_cntl |= SDMA0_GFX_RB_CNTL__RPTR_WRITEBACK_ENABLE_MASK;
432 WREG32(mmSDMA0_GFX_RB_BASE + sdma_offsets[i], ring->gpu_addr >> 8);
433 WREG32(mmSDMA0_GFX_RB_BASE_HI + sdma_offsets[i], ring->gpu_addr >> 40);
436 WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[i], lower_32_bits(ring->wptr) << 2);
439 WREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i],
440 rb_cntl | SDMA0_GFX_RB_CNTL__RB_ENABLE_MASK);
442 ib_cntl = SDMA0_GFX_IB_CNTL__IB_ENABLE_MASK;
444 ib_cntl |= SDMA0_GFX_IB_CNTL__IB_SWAP_ENABLE_MASK;
447 WREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i], ib_cntl);
452 cik_sdma_enable(adev, true);
454 for (i = 0; i < adev->sdma.num_instances; i++) {
455 ring = &adev->sdma.instance[i].ring;
456 r = amdgpu_ring_test_ring(ring);
462 if (adev->mman.buffer_funcs_ring == ring)
463 amdgpu_ttm_set_active_vram_size(adev, adev->mc.real_vram_size);
470 * cik_sdma_rlc_resume - setup and start the async dma engines
472 * @adev: amdgpu_device pointer
474 * Set up the compute DMA queues and enable them (CIK).
475 * Returns 0 for success, error for failure.
477 static int cik_sdma_rlc_resume(struct amdgpu_device *adev)
484 * cik_sdma_load_microcode - load the sDMA ME ucode
486 * @adev: amdgpu_device pointer
488 * Loads the sDMA0/1 ucode.
489 * Returns 0 for success, -EINVAL if the ucode is not available.
491 static int cik_sdma_load_microcode(struct amdgpu_device *adev)
493 const struct sdma_firmware_header_v1_0 *hdr;
494 const __le32 *fw_data;
499 cik_sdma_enable(adev, false);
501 for (i = 0; i < adev->sdma.num_instances; i++) {
502 if (!adev->sdma.instance[i].fw)
504 hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data;
505 amdgpu_ucode_print_sdma_hdr(&hdr->header);
506 fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
507 adev->sdma.instance[i].fw_version = le32_to_cpu(hdr->header.ucode_version);
508 adev->sdma.instance[i].feature_version = le32_to_cpu(hdr->ucode_feature_version);
509 if (adev->sdma.instance[i].feature_version >= 20)
510 adev->sdma.instance[i].burst_nop = true;
511 fw_data = (const __le32 *)
512 (adev->sdma.instance[i].fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
513 WREG32(mmSDMA0_UCODE_ADDR + sdma_offsets[i], 0);
514 for (j = 0; j < fw_size; j++)
515 WREG32(mmSDMA0_UCODE_DATA + sdma_offsets[i], le32_to_cpup(fw_data++));
516 WREG32(mmSDMA0_UCODE_ADDR + sdma_offsets[i], adev->sdma.instance[i].fw_version);
523 * cik_sdma_start - setup and start the async dma engines
525 * @adev: amdgpu_device pointer
527 * Set up the DMA engines and enable them (CIK).
528 * Returns 0 for success, error for failure.
530 static int cik_sdma_start(struct amdgpu_device *adev)
534 r = cik_sdma_load_microcode(adev);
538 /* halt the engine before programing */
539 cik_sdma_enable(adev, false);
541 /* start the gfx rings and rlc compute queues */
542 r = cik_sdma_gfx_resume(adev);
545 r = cik_sdma_rlc_resume(adev);
553 * cik_sdma_ring_test_ring - simple async dma engine test
555 * @ring: amdgpu_ring structure holding ring information
557 * Test the DMA engine by writing using it to write an
558 * value to memory. (CIK).
559 * Returns 0 for success, error for failure.
561 static int cik_sdma_ring_test_ring(struct amdgpu_ring *ring)
563 struct amdgpu_device *adev = ring->adev;
570 r = amdgpu_wb_get(adev, &index);
572 dev_err(adev->dev, "(%d) failed to allocate wb slot\n", r);
576 gpu_addr = adev->wb.gpu_addr + (index * 4);
578 adev->wb.wb[index] = cpu_to_le32(tmp);
580 r = amdgpu_ring_alloc(ring, 5);
582 DRM_ERROR("amdgpu: dma failed to lock ring %d (%d).\n", ring->idx, r);
583 amdgpu_wb_free(adev, index);
586 amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_WRITE, SDMA_WRITE_SUB_OPCODE_LINEAR, 0));
587 amdgpu_ring_write(ring, lower_32_bits(gpu_addr));
588 amdgpu_ring_write(ring, upper_32_bits(gpu_addr));
589 amdgpu_ring_write(ring, 1); /* number of DWs to follow */
590 amdgpu_ring_write(ring, 0xDEADBEEF);
591 amdgpu_ring_commit(ring);
593 for (i = 0; i < adev->usec_timeout; i++) {
594 tmp = le32_to_cpu(adev->wb.wb[index]);
595 if (tmp == 0xDEADBEEF)
600 if (i < adev->usec_timeout) {
601 DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i);
603 DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n",
607 amdgpu_wb_free(adev, index);
613 * cik_sdma_ring_test_ib - test an IB on the DMA engine
615 * @ring: amdgpu_ring structure holding ring information
617 * Test a simple IB in the DMA ring (CIK).
618 * Returns 0 on success, error on failure.
620 static int cik_sdma_ring_test_ib(struct amdgpu_ring *ring, long timeout)
622 struct amdgpu_device *adev = ring->adev;
624 struct dma_fence *f = NULL;
630 r = amdgpu_wb_get(adev, &index);
632 dev_err(adev->dev, "(%ld) failed to allocate wb slot\n", r);
636 gpu_addr = adev->wb.gpu_addr + (index * 4);
638 adev->wb.wb[index] = cpu_to_le32(tmp);
639 memset(&ib, 0, sizeof(ib));
640 r = amdgpu_ib_get(adev, NULL, 256, &ib);
642 DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r);
646 ib.ptr[0] = SDMA_PACKET(SDMA_OPCODE_WRITE,
647 SDMA_WRITE_SUB_OPCODE_LINEAR, 0);
648 ib.ptr[1] = lower_32_bits(gpu_addr);
649 ib.ptr[2] = upper_32_bits(gpu_addr);
651 ib.ptr[4] = 0xDEADBEEF;
653 r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f);
657 r = dma_fence_wait_timeout(f, false, timeout);
659 DRM_ERROR("amdgpu: IB test timed out\n");
663 DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r);
666 tmp = le32_to_cpu(adev->wb.wb[index]);
667 if (tmp == 0xDEADBEEF) {
668 DRM_INFO("ib test on ring %d succeeded\n", ring->idx);
671 DRM_ERROR("amdgpu: ib test failed (0x%08X)\n", tmp);
676 amdgpu_ib_free(adev, &ib, NULL);
679 amdgpu_wb_free(adev, index);
684 * cik_sdma_vm_copy_pages - update PTEs by copying them from the GART
686 * @ib: indirect buffer to fill with commands
687 * @pe: addr of the page entry
688 * @src: src addr to copy from
689 * @count: number of page entries to update
691 * Update PTEs by copying them from the GART using sDMA (CIK).
693 static void cik_sdma_vm_copy_pte(struct amdgpu_ib *ib,
694 uint64_t pe, uint64_t src,
697 unsigned bytes = count * 8;
699 ib->ptr[ib->length_dw++] = SDMA_PACKET(SDMA_OPCODE_COPY,
700 SDMA_WRITE_SUB_OPCODE_LINEAR, 0);
701 ib->ptr[ib->length_dw++] = bytes;
702 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
703 ib->ptr[ib->length_dw++] = lower_32_bits(src);
704 ib->ptr[ib->length_dw++] = upper_32_bits(src);
705 ib->ptr[ib->length_dw++] = lower_32_bits(pe);
706 ib->ptr[ib->length_dw++] = upper_32_bits(pe);
710 * cik_sdma_vm_write_pages - update PTEs by writing them manually
712 * @ib: indirect buffer to fill with commands
713 * @pe: addr of the page entry
714 * @value: dst addr to write into pe
715 * @count: number of page entries to update
716 * @incr: increase next addr by incr bytes
718 * Update PTEs by writing them manually using sDMA (CIK).
720 static void cik_sdma_vm_write_pte(struct amdgpu_ib *ib, uint64_t pe,
721 uint64_t value, unsigned count,
724 unsigned ndw = count * 2;
726 ib->ptr[ib->length_dw++] = SDMA_PACKET(SDMA_OPCODE_WRITE,
727 SDMA_WRITE_SUB_OPCODE_LINEAR, 0);
728 ib->ptr[ib->length_dw++] = lower_32_bits(pe);
729 ib->ptr[ib->length_dw++] = upper_32_bits(pe);
730 ib->ptr[ib->length_dw++] = ndw;
731 for (; ndw > 0; ndw -= 2) {
732 ib->ptr[ib->length_dw++] = lower_32_bits(value);
733 ib->ptr[ib->length_dw++] = upper_32_bits(value);
739 * cik_sdma_vm_set_pages - update the page tables using sDMA
741 * @ib: indirect buffer to fill with commands
742 * @pe: addr of the page entry
743 * @addr: dst addr to write into pe
744 * @count: number of page entries to update
745 * @incr: increase next addr by incr bytes
746 * @flags: access flags
748 * Update the page tables using sDMA (CIK).
750 static void cik_sdma_vm_set_pte_pde(struct amdgpu_ib *ib, uint64_t pe,
751 uint64_t addr, unsigned count,
752 uint32_t incr, uint64_t flags)
754 /* for physically contiguous pages (vram) */
755 ib->ptr[ib->length_dw++] = SDMA_PACKET(SDMA_OPCODE_GENERATE_PTE_PDE, 0, 0);
756 ib->ptr[ib->length_dw++] = lower_32_bits(pe); /* dst addr */
757 ib->ptr[ib->length_dw++] = upper_32_bits(pe);
758 ib->ptr[ib->length_dw++] = lower_32_bits(flags); /* mask */
759 ib->ptr[ib->length_dw++] = upper_32_bits(flags);
760 ib->ptr[ib->length_dw++] = lower_32_bits(addr); /* value */
761 ib->ptr[ib->length_dw++] = upper_32_bits(addr);
762 ib->ptr[ib->length_dw++] = incr; /* increment size */
763 ib->ptr[ib->length_dw++] = 0;
764 ib->ptr[ib->length_dw++] = count; /* number of entries */
768 * cik_sdma_vm_pad_ib - pad the IB to the required number of dw
770 * @ib: indirect buffer to fill with padding
773 static void cik_sdma_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib)
775 struct amdgpu_sdma_instance *sdma = amdgpu_get_sdma_instance(ring);
779 pad_count = (8 - (ib->length_dw & 0x7)) % 8;
780 for (i = 0; i < pad_count; i++)
781 if (sdma && sdma->burst_nop && (i == 0))
782 ib->ptr[ib->length_dw++] =
783 SDMA_PACKET(SDMA_OPCODE_NOP, 0, 0) |
784 SDMA_NOP_COUNT(pad_count - 1);
786 ib->ptr[ib->length_dw++] =
787 SDMA_PACKET(SDMA_OPCODE_NOP, 0, 0);
791 * cik_sdma_ring_emit_pipeline_sync - sync the pipeline
793 * @ring: amdgpu_ring pointer
795 * Make sure all previous operations are completed (CIK).
797 static void cik_sdma_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
799 uint32_t seq = ring->fence_drv.sync_seq;
800 uint64_t addr = ring->fence_drv.gpu_addr;
803 amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_POLL_REG_MEM, 0,
804 SDMA_POLL_REG_MEM_EXTRA_OP(0) |
805 SDMA_POLL_REG_MEM_EXTRA_FUNC(3) | /* equal */
806 SDMA_POLL_REG_MEM_EXTRA_M));
807 amdgpu_ring_write(ring, addr & 0xfffffffc);
808 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff);
809 amdgpu_ring_write(ring, seq); /* reference */
810 amdgpu_ring_write(ring, 0xfffffff); /* mask */
811 amdgpu_ring_write(ring, (0xfff << 16) | 4); /* retry count, poll interval */
815 * cik_sdma_ring_emit_vm_flush - cik vm flush using sDMA
817 * @ring: amdgpu_ring pointer
818 * @vm: amdgpu_vm pointer
820 * Update the page table base and flush the VM TLB
823 static void cik_sdma_ring_emit_vm_flush(struct amdgpu_ring *ring,
824 unsigned vm_id, uint64_t pd_addr)
826 u32 extra_bits = (SDMA_POLL_REG_MEM_EXTRA_OP(0) |
827 SDMA_POLL_REG_MEM_EXTRA_FUNC(0)); /* always */
829 amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_SRBM_WRITE, 0, 0xf000));
831 amdgpu_ring_write(ring, (mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vm_id));
833 amdgpu_ring_write(ring, (mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + vm_id - 8));
835 amdgpu_ring_write(ring, pd_addr >> 12);
838 amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_SRBM_WRITE, 0, 0xf000));
839 amdgpu_ring_write(ring, mmVM_INVALIDATE_REQUEST);
840 amdgpu_ring_write(ring, 1 << vm_id);
842 amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_POLL_REG_MEM, 0, extra_bits));
843 amdgpu_ring_write(ring, mmVM_INVALIDATE_REQUEST << 2);
844 amdgpu_ring_write(ring, 0);
845 amdgpu_ring_write(ring, 0); /* reference */
846 amdgpu_ring_write(ring, 0); /* mask */
847 amdgpu_ring_write(ring, (0xfff << 16) | 10); /* retry count, poll interval */
850 static void cik_enable_sdma_mgcg(struct amdgpu_device *adev,
855 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG)) {
856 WREG32(mmSDMA0_CLK_CTRL + SDMA0_REGISTER_OFFSET, 0x00000100);
857 WREG32(mmSDMA0_CLK_CTRL + SDMA1_REGISTER_OFFSET, 0x00000100);
859 orig = data = RREG32(mmSDMA0_CLK_CTRL + SDMA0_REGISTER_OFFSET);
862 WREG32(mmSDMA0_CLK_CTRL + SDMA0_REGISTER_OFFSET, data);
864 orig = data = RREG32(mmSDMA0_CLK_CTRL + SDMA1_REGISTER_OFFSET);
867 WREG32(mmSDMA0_CLK_CTRL + SDMA1_REGISTER_OFFSET, data);
871 static void cik_enable_sdma_mgls(struct amdgpu_device *adev,
876 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS)) {
877 orig = data = RREG32(mmSDMA0_POWER_CNTL + SDMA0_REGISTER_OFFSET);
880 WREG32(mmSDMA0_POWER_CNTL + SDMA0_REGISTER_OFFSET, data);
882 orig = data = RREG32(mmSDMA0_POWER_CNTL + SDMA1_REGISTER_OFFSET);
885 WREG32(mmSDMA0_POWER_CNTL + SDMA1_REGISTER_OFFSET, data);
887 orig = data = RREG32(mmSDMA0_POWER_CNTL + SDMA0_REGISTER_OFFSET);
890 WREG32(mmSDMA0_POWER_CNTL + SDMA0_REGISTER_OFFSET, data);
892 orig = data = RREG32(mmSDMA0_POWER_CNTL + SDMA1_REGISTER_OFFSET);
895 WREG32(mmSDMA0_POWER_CNTL + SDMA1_REGISTER_OFFSET, data);
899 static int cik_sdma_early_init(void *handle)
901 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
903 adev->sdma.num_instances = SDMA_MAX_INSTANCE;
905 cik_sdma_set_ring_funcs(adev);
906 cik_sdma_set_irq_funcs(adev);
907 cik_sdma_set_buffer_funcs(adev);
908 cik_sdma_set_vm_pte_funcs(adev);
913 static int cik_sdma_sw_init(void *handle)
915 struct amdgpu_ring *ring;
916 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
919 r = cik_sdma_init_microcode(adev);
921 DRM_ERROR("Failed to load sdma firmware!\n");
925 /* SDMA trap event */
926 r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 224,
927 &adev->sdma.trap_irq);
931 /* SDMA Privileged inst */
932 r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 241,
933 &adev->sdma.illegal_inst_irq);
937 /* SDMA Privileged inst */
938 r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 247,
939 &adev->sdma.illegal_inst_irq);
943 for (i = 0; i < adev->sdma.num_instances; i++) {
944 ring = &adev->sdma.instance[i].ring;
945 ring->ring_obj = NULL;
946 sprintf(ring->name, "sdma%d", i);
947 r = amdgpu_ring_init(adev, ring, 1024,
948 &adev->sdma.trap_irq,
950 AMDGPU_SDMA_IRQ_TRAP0 :
951 AMDGPU_SDMA_IRQ_TRAP1);
959 static int cik_sdma_sw_fini(void *handle)
961 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
964 for (i = 0; i < adev->sdma.num_instances; i++)
965 amdgpu_ring_fini(&adev->sdma.instance[i].ring);
967 cik_sdma_free_microcode(adev);
971 static int cik_sdma_hw_init(void *handle)
974 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
976 r = cik_sdma_start(adev);
983 static int cik_sdma_hw_fini(void *handle)
985 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
987 cik_sdma_enable(adev, false);
992 static int cik_sdma_suspend(void *handle)
994 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
996 return cik_sdma_hw_fini(adev);
999 static int cik_sdma_resume(void *handle)
1001 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1003 cik_sdma_soft_reset(handle);
1005 return cik_sdma_hw_init(adev);
1008 static bool cik_sdma_is_idle(void *handle)
1010 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1011 u32 tmp = RREG32(mmSRBM_STATUS2);
1013 if (tmp & (SRBM_STATUS2__SDMA_BUSY_MASK |
1014 SRBM_STATUS2__SDMA1_BUSY_MASK))
1020 static int cik_sdma_wait_for_idle(void *handle)
1024 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1026 for (i = 0; i < adev->usec_timeout; i++) {
1027 tmp = RREG32(mmSRBM_STATUS2) & (SRBM_STATUS2__SDMA_BUSY_MASK |
1028 SRBM_STATUS2__SDMA1_BUSY_MASK);
1037 static int cik_sdma_soft_reset(void *handle)
1039 u32 srbm_soft_reset = 0;
1040 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1041 u32 tmp = RREG32(mmSRBM_STATUS2);
1043 if (tmp & SRBM_STATUS2__SDMA_BUSY_MASK) {
1045 tmp = RREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET);
1046 tmp |= SDMA0_F32_CNTL__HALT_MASK;
1047 WREG32(mmSDMA0_F32_CNTL + SDMA0_REGISTER_OFFSET, tmp);
1048 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_SDMA_MASK;
1050 if (tmp & SRBM_STATUS2__SDMA1_BUSY_MASK) {
1052 tmp = RREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET);
1053 tmp |= SDMA0_F32_CNTL__HALT_MASK;
1054 WREG32(mmSDMA0_F32_CNTL + SDMA1_REGISTER_OFFSET, tmp);
1055 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_SDMA1_MASK;
1058 if (srbm_soft_reset) {
1059 tmp = RREG32(mmSRBM_SOFT_RESET);
1060 tmp |= srbm_soft_reset;
1061 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1062 WREG32(mmSRBM_SOFT_RESET, tmp);
1063 tmp = RREG32(mmSRBM_SOFT_RESET);
1067 tmp &= ~srbm_soft_reset;
1068 WREG32(mmSRBM_SOFT_RESET, tmp);
1069 tmp = RREG32(mmSRBM_SOFT_RESET);
1071 /* Wait a little for things to settle down */
1078 static int cik_sdma_set_trap_irq_state(struct amdgpu_device *adev,
1079 struct amdgpu_irq_src *src,
1081 enum amdgpu_interrupt_state state)
1086 case AMDGPU_SDMA_IRQ_TRAP0:
1088 case AMDGPU_IRQ_STATE_DISABLE:
1089 sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET);
1090 sdma_cntl &= ~SDMA0_CNTL__TRAP_ENABLE_MASK;
1091 WREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET, sdma_cntl);
1093 case AMDGPU_IRQ_STATE_ENABLE:
1094 sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET);
1095 sdma_cntl |= SDMA0_CNTL__TRAP_ENABLE_MASK;
1096 WREG32(mmSDMA0_CNTL + SDMA0_REGISTER_OFFSET, sdma_cntl);
1102 case AMDGPU_SDMA_IRQ_TRAP1:
1104 case AMDGPU_IRQ_STATE_DISABLE:
1105 sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET);
1106 sdma_cntl &= ~SDMA0_CNTL__TRAP_ENABLE_MASK;
1107 WREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET, sdma_cntl);
1109 case AMDGPU_IRQ_STATE_ENABLE:
1110 sdma_cntl = RREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET);
1111 sdma_cntl |= SDMA0_CNTL__TRAP_ENABLE_MASK;
1112 WREG32(mmSDMA0_CNTL + SDMA1_REGISTER_OFFSET, sdma_cntl);
1124 static int cik_sdma_process_trap_irq(struct amdgpu_device *adev,
1125 struct amdgpu_irq_src *source,
1126 struct amdgpu_iv_entry *entry)
1128 u8 instance_id, queue_id;
1130 instance_id = (entry->ring_id & 0x3) >> 0;
1131 queue_id = (entry->ring_id & 0xc) >> 2;
1132 DRM_DEBUG("IH: SDMA trap\n");
1133 switch (instance_id) {
1137 amdgpu_fence_process(&adev->sdma.instance[0].ring);
1150 amdgpu_fence_process(&adev->sdma.instance[1].ring);
1165 static int cik_sdma_process_illegal_inst_irq(struct amdgpu_device *adev,
1166 struct amdgpu_irq_src *source,
1167 struct amdgpu_iv_entry *entry)
1169 DRM_ERROR("Illegal instruction in SDMA command stream\n");
1170 schedule_work(&adev->reset_work);
1174 static int cik_sdma_set_clockgating_state(void *handle,
1175 enum amd_clockgating_state state)
1178 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1180 if (state == AMD_CG_STATE_GATE)
1183 cik_enable_sdma_mgcg(adev, gate);
1184 cik_enable_sdma_mgls(adev, gate);
1189 static int cik_sdma_set_powergating_state(void *handle,
1190 enum amd_powergating_state state)
1195 static const struct amd_ip_funcs cik_sdma_ip_funcs = {
1197 .early_init = cik_sdma_early_init,
1199 .sw_init = cik_sdma_sw_init,
1200 .sw_fini = cik_sdma_sw_fini,
1201 .hw_init = cik_sdma_hw_init,
1202 .hw_fini = cik_sdma_hw_fini,
1203 .suspend = cik_sdma_suspend,
1204 .resume = cik_sdma_resume,
1205 .is_idle = cik_sdma_is_idle,
1206 .wait_for_idle = cik_sdma_wait_for_idle,
1207 .soft_reset = cik_sdma_soft_reset,
1208 .set_clockgating_state = cik_sdma_set_clockgating_state,
1209 .set_powergating_state = cik_sdma_set_powergating_state,
1212 static const struct amdgpu_ring_funcs cik_sdma_ring_funcs = {
1213 .type = AMDGPU_RING_TYPE_SDMA,
1215 .nop = SDMA_PACKET(SDMA_OPCODE_NOP, 0, 0),
1216 .support_64bit_ptrs = false,
1217 .get_rptr = cik_sdma_ring_get_rptr,
1218 .get_wptr = cik_sdma_ring_get_wptr,
1219 .set_wptr = cik_sdma_ring_set_wptr,
1221 6 + /* cik_sdma_ring_emit_hdp_flush */
1222 3 + /* cik_sdma_ring_emit_hdp_invalidate */
1223 6 + /* cik_sdma_ring_emit_pipeline_sync */
1224 12 + /* cik_sdma_ring_emit_vm_flush */
1225 9 + 9 + 9, /* cik_sdma_ring_emit_fence x3 for user fence, vm fence */
1226 .emit_ib_size = 7 + 4, /* cik_sdma_ring_emit_ib */
1227 .emit_ib = cik_sdma_ring_emit_ib,
1228 .emit_fence = cik_sdma_ring_emit_fence,
1229 .emit_pipeline_sync = cik_sdma_ring_emit_pipeline_sync,
1230 .emit_vm_flush = cik_sdma_ring_emit_vm_flush,
1231 .emit_hdp_flush = cik_sdma_ring_emit_hdp_flush,
1232 .emit_hdp_invalidate = cik_sdma_ring_emit_hdp_invalidate,
1233 .test_ring = cik_sdma_ring_test_ring,
1234 .test_ib = cik_sdma_ring_test_ib,
1235 .insert_nop = cik_sdma_ring_insert_nop,
1236 .pad_ib = cik_sdma_ring_pad_ib,
1239 static void cik_sdma_set_ring_funcs(struct amdgpu_device *adev)
1243 for (i = 0; i < adev->sdma.num_instances; i++)
1244 adev->sdma.instance[i].ring.funcs = &cik_sdma_ring_funcs;
1247 static const struct amdgpu_irq_src_funcs cik_sdma_trap_irq_funcs = {
1248 .set = cik_sdma_set_trap_irq_state,
1249 .process = cik_sdma_process_trap_irq,
1252 static const struct amdgpu_irq_src_funcs cik_sdma_illegal_inst_irq_funcs = {
1253 .process = cik_sdma_process_illegal_inst_irq,
1256 static void cik_sdma_set_irq_funcs(struct amdgpu_device *adev)
1258 adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_LAST;
1259 adev->sdma.trap_irq.funcs = &cik_sdma_trap_irq_funcs;
1260 adev->sdma.illegal_inst_irq.funcs = &cik_sdma_illegal_inst_irq_funcs;
1264 * cik_sdma_emit_copy_buffer - copy buffer using the sDMA engine
1266 * @ring: amdgpu_ring structure holding ring information
1267 * @src_offset: src GPU address
1268 * @dst_offset: dst GPU address
1269 * @byte_count: number of bytes to xfer
1271 * Copy GPU buffers using the DMA engine (CIK).
1272 * Used by the amdgpu ttm implementation to move pages if
1273 * registered as the asic copy callback.
1275 static void cik_sdma_emit_copy_buffer(struct amdgpu_ib *ib,
1276 uint64_t src_offset,
1277 uint64_t dst_offset,
1278 uint32_t byte_count)
1280 ib->ptr[ib->length_dw++] = SDMA_PACKET(SDMA_OPCODE_COPY, SDMA_COPY_SUB_OPCODE_LINEAR, 0);
1281 ib->ptr[ib->length_dw++] = byte_count;
1282 ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
1283 ib->ptr[ib->length_dw++] = lower_32_bits(src_offset);
1284 ib->ptr[ib->length_dw++] = upper_32_bits(src_offset);
1285 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset);
1286 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset);
1290 * cik_sdma_emit_fill_buffer - fill buffer using the sDMA engine
1292 * @ring: amdgpu_ring structure holding ring information
1293 * @src_data: value to write to buffer
1294 * @dst_offset: dst GPU address
1295 * @byte_count: number of bytes to xfer
1297 * Fill GPU buffers using the DMA engine (CIK).
1299 static void cik_sdma_emit_fill_buffer(struct amdgpu_ib *ib,
1301 uint64_t dst_offset,
1302 uint32_t byte_count)
1304 ib->ptr[ib->length_dw++] = SDMA_PACKET(SDMA_OPCODE_CONSTANT_FILL, 0, 0);
1305 ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset);
1306 ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset);
1307 ib->ptr[ib->length_dw++] = src_data;
1308 ib->ptr[ib->length_dw++] = byte_count;
1311 static const struct amdgpu_buffer_funcs cik_sdma_buffer_funcs = {
1312 .copy_max_bytes = 0x1fffff,
1314 .emit_copy_buffer = cik_sdma_emit_copy_buffer,
1316 .fill_max_bytes = 0x1fffff,
1318 .emit_fill_buffer = cik_sdma_emit_fill_buffer,
1321 static void cik_sdma_set_buffer_funcs(struct amdgpu_device *adev)
1323 if (adev->mman.buffer_funcs == NULL) {
1324 adev->mman.buffer_funcs = &cik_sdma_buffer_funcs;
1325 adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring;
1329 static const struct amdgpu_vm_pte_funcs cik_sdma_vm_pte_funcs = {
1330 .copy_pte = cik_sdma_vm_copy_pte,
1331 .write_pte = cik_sdma_vm_write_pte,
1332 .set_pte_pde = cik_sdma_vm_set_pte_pde,
1335 static void cik_sdma_set_vm_pte_funcs(struct amdgpu_device *adev)
1339 if (adev->vm_manager.vm_pte_funcs == NULL) {
1340 adev->vm_manager.vm_pte_funcs = &cik_sdma_vm_pte_funcs;
1341 for (i = 0; i < adev->sdma.num_instances; i++)
1342 adev->vm_manager.vm_pte_rings[i] =
1343 &adev->sdma.instance[i].ring;
1345 adev->vm_manager.vm_pte_num_rings = adev->sdma.num_instances;
1349 const struct amdgpu_ip_block_version cik_sdma_ip_block =
1351 .type = AMD_IP_BLOCK_TYPE_SDMA,
1355 .funcs = &cik_sdma_ip_funcs,