1 /*
2 * Copyright 2019 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23 #include <linux/firmware.h>
24 #include <linux/pci.h>
25
26 #include <drm/drm_cache.h>
27
28 #include "amdgpu.h"
29 #include "amdgpu_atomfirmware.h"
30 #include "gmc_v10_0.h"
31 #include "umc_v8_7.h"
32
33 #include "athub/athub_2_0_0_sh_mask.h"
34 #include "athub/athub_2_0_0_offset.h"
35 #include "dcn/dcn_2_0_0_offset.h"
36 #include "dcn/dcn_2_0_0_sh_mask.h"
37 #include "oss/osssys_5_0_0_offset.h"
38 #include "ivsrcid/vmc/irqsrcs_vmc_1_0.h"
39 #include "navi10_enum.h"
40
41 #include "soc15.h"
42 #include "soc15d.h"
43 #include "soc15_common.h"
44
45 #include "nbio_v2_3.h"
46
47 #include "gfxhub_v2_0.h"
48 #include "gfxhub_v2_1.h"
49 #include "mmhub_v2_0.h"
50 #include "mmhub_v2_3.h"
51 #include "athub_v2_0.h"
52 #include "athub_v2_1.h"
53
gmc_v10_0_ecc_interrupt_state(struct amdgpu_device * adev,struct amdgpu_irq_src * src,unsigned int type,enum amdgpu_interrupt_state state)54 static int gmc_v10_0_ecc_interrupt_state(struct amdgpu_device *adev,
55 struct amdgpu_irq_src *src,
56 unsigned int type,
57 enum amdgpu_interrupt_state state)
58 {
59 return 0;
60 }
61
62 static int
gmc_v10_0_vm_fault_interrupt_state(struct amdgpu_device * adev,struct amdgpu_irq_src * src,unsigned int type,enum amdgpu_interrupt_state state)63 gmc_v10_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
64 struct amdgpu_irq_src *src, unsigned int type,
65 enum amdgpu_interrupt_state state)
66 {
67 switch (state) {
68 case AMDGPU_IRQ_STATE_DISABLE:
69 /* MM HUB */
70 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_MMHUB0(0), false);
71 /* GFX HUB */
72 /* This works because this interrupt is only
73 * enabled at init/resume and disabled in
74 * fini/suspend, so the overall state doesn't
75 * change over the course of suspend/resume.
76 */
77 if (!adev->in_s0ix)
78 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_GFXHUB(0), false);
79 break;
80 case AMDGPU_IRQ_STATE_ENABLE:
81 /* MM HUB */
82 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_MMHUB0(0), true);
83 /* GFX HUB */
84 /* This works because this interrupt is only
85 * enabled at init/resume and disabled in
86 * fini/suspend, so the overall state doesn't
87 * change over the course of suspend/resume.
88 */
89 if (!adev->in_s0ix)
90 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_GFXHUB(0), true);
91 break;
92 default:
93 break;
94 }
95
96 return 0;
97 }
98
gmc_v10_0_process_interrupt(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)99 static int gmc_v10_0_process_interrupt(struct amdgpu_device *adev,
100 struct amdgpu_irq_src *source,
101 struct amdgpu_iv_entry *entry)
102 {
103 uint32_t vmhub_index = entry->client_id == SOC15_IH_CLIENTID_VMC ?
104 AMDGPU_MMHUB0(0) : AMDGPU_GFXHUB(0);
105 struct amdgpu_vmhub *hub = &adev->vmhub[vmhub_index];
106 bool retry_fault = !!(entry->src_data[1] & 0x80);
107 bool write_fault = !!(entry->src_data[1] & 0x20);
108 struct amdgpu_task_info *task_info;
109 uint32_t status = 0;
110 u64 addr;
111
112 addr = (u64)entry->src_data[0] << 12;
113 addr |= ((u64)entry->src_data[1] & 0xf) << 44;
114
115 if (retry_fault) {
116 /* Returning 1 here also prevents sending the IV to the KFD */
117
118 /* Process it onyl if it's the first fault for this address */
119 if (entry->ih != &adev->irq.ih_soft &&
120 amdgpu_gmc_filter_faults(adev, entry->ih, addr, entry->pasid,
121 entry->timestamp))
122 return 1;
123
124 /* Delegate it to a different ring if the hardware hasn't
125 * already done it.
126 */
127 if (entry->ih == &adev->irq.ih) {
128 amdgpu_irq_delegate(adev, entry, 8);
129 return 1;
130 }
131
132 /* Try to handle the recoverable page faults by filling page
133 * tables
134 */
135 if (amdgpu_vm_handle_fault(adev, entry->pasid, 0, 0, addr,
136 entry->timestamp, write_fault))
137 return 1;
138 }
139
140 if (!amdgpu_sriov_vf(adev)) {
141 /*
142 * Issue a dummy read to wait for the status register to
143 * be updated to avoid reading an incorrect value due to
144 * the new fast GRBM interface.
145 */
146 if ((entry->vmid_src == AMDGPU_GFXHUB(0)) &&
147 (amdgpu_ip_version(adev, GC_HWIP, 0) <
148 IP_VERSION(10, 3, 0)))
149 RREG32(hub->vm_l2_pro_fault_status);
150
151 status = RREG32(hub->vm_l2_pro_fault_status);
152 WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1);
153
154 amdgpu_vm_update_fault_cache(adev, entry->pasid, addr, status,
155 entry->vmid_src ? AMDGPU_MMHUB0(0) : AMDGPU_GFXHUB(0));
156 }
157
158 if (!printk_ratelimit())
159 return 0;
160
161 dev_err(adev->dev,
162 "[%s] page fault (src_id:%u ring:%u vmid:%u pasid:%u)\n",
163 entry->vmid_src ? "mmhub" : "gfxhub",
164 entry->src_id, entry->ring_id, entry->vmid, entry->pasid);
165 task_info = amdgpu_vm_get_task_info_pasid(adev, entry->pasid);
166 if (task_info) {
167 amdgpu_vm_print_task_info(adev, task_info);
168 amdgpu_vm_put_task_info(task_info);
169 }
170
171 dev_err(adev->dev, " in page starting at address 0x%016llx from client 0x%x (%s)\n",
172 addr, entry->client_id,
173 soc15_ih_clientid_name[entry->client_id]);
174
175 /* Only print L2 fault status if the status register could be read and
176 * contains useful information
177 */
178 if (status != 0)
179 hub->vmhub_funcs->print_l2_protection_fault_status(adev,
180 status);
181
182 return 0;
183 }
184
185 static const struct amdgpu_irq_src_funcs gmc_v10_0_irq_funcs = {
186 .set = gmc_v10_0_vm_fault_interrupt_state,
187 .process = gmc_v10_0_process_interrupt,
188 };
189
190 static const struct amdgpu_irq_src_funcs gmc_v10_0_ecc_funcs = {
191 .set = gmc_v10_0_ecc_interrupt_state,
192 .process = amdgpu_umc_process_ecc_irq,
193 };
194
gmc_v10_0_set_irq_funcs(struct amdgpu_device * adev)195 static void gmc_v10_0_set_irq_funcs(struct amdgpu_device *adev)
196 {
197 adev->gmc.vm_fault.num_types = 1;
198 adev->gmc.vm_fault.funcs = &gmc_v10_0_irq_funcs;
199
200 if (!amdgpu_sriov_vf(adev)) {
201 adev->gmc.ecc_irq.num_types = 1;
202 adev->gmc.ecc_irq.funcs = &gmc_v10_0_ecc_funcs;
203 }
204 }
205
206 /**
207 * gmc_v10_0_use_invalidate_semaphore - judge whether to use semaphore
208 *
209 * @adev: amdgpu_device pointer
210 * @vmhub: vmhub type
211 *
212 */
gmc_v10_0_use_invalidate_semaphore(struct amdgpu_device * adev,uint32_t vmhub)213 static bool gmc_v10_0_use_invalidate_semaphore(struct amdgpu_device *adev,
214 uint32_t vmhub)
215 {
216 return ((vmhub == AMDGPU_MMHUB0(0)) &&
217 (!amdgpu_sriov_vf(adev)));
218 }
219
gmc_v10_0_get_atc_vmid_pasid_mapping_info(struct amdgpu_device * adev,uint8_t vmid,uint16_t * p_pasid)220 static bool gmc_v10_0_get_atc_vmid_pasid_mapping_info(
221 struct amdgpu_device *adev,
222 uint8_t vmid, uint16_t *p_pasid)
223 {
224 uint32_t value;
225
226 value = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING)
227 + vmid);
228 *p_pasid = value & ATC_VMID0_PASID_MAPPING__PASID_MASK;
229
230 return !!(value & ATC_VMID0_PASID_MAPPING__VALID_MASK);
231 }
232
233 /*
234 * GART
235 * VMID 0 is the physical GPU addresses as used by the kernel.
236 * VMIDs 1-15 are used for userspace clients and are handled
237 * by the amdgpu vm/hsa code.
238 */
239
240 /**
241 * gmc_v10_0_flush_gpu_tlb - gart tlb flush callback
242 *
243 * @adev: amdgpu_device pointer
244 * @vmid: vm instance to flush
245 * @vmhub: vmhub type
246 * @flush_type: the flush type
247 *
248 * Flush the TLB for the requested page table.
249 */
gmc_v10_0_flush_gpu_tlb(struct amdgpu_device * adev,uint32_t vmid,uint32_t vmhub,uint32_t flush_type)250 static void gmc_v10_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
251 uint32_t vmhub, uint32_t flush_type)
252 {
253 bool use_semaphore = gmc_v10_0_use_invalidate_semaphore(adev, vmhub);
254 struct amdgpu_vmhub *hub = &adev->vmhub[vmhub];
255 u32 inv_req = hub->vmhub_funcs->get_invalidate_req(vmid, flush_type);
256 /* Use register 17 for GART */
257 const unsigned int eng = 17;
258 unsigned char hub_ip = 0;
259 u32 sem, req, ack;
260 unsigned int i;
261 u32 tmp;
262
263 sem = hub->vm_inv_eng0_sem + hub->eng_distance * eng;
264 req = hub->vm_inv_eng0_req + hub->eng_distance * eng;
265 ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng;
266
267 /* flush hdp cache */
268 amdgpu_device_flush_hdp(adev, NULL);
269
270 /* This is necessary for SRIOV as well as for GFXOFF to function
271 * properly under bare metal
272 */
273 if (adev->gfx.kiq[0].ring.sched.ready && !adev->enable_mes &&
274 (amdgpu_sriov_runtime(adev) || !amdgpu_sriov_vf(adev))) {
275 amdgpu_gmc_fw_reg_write_reg_wait(adev, req, ack, inv_req,
276 1 << vmid, GET_INST(GC, 0));
277 return;
278 }
279
280 /* This path is needed before KIQ/MES/GFXOFF are set up */
281 hub_ip = (vmhub == AMDGPU_GFXHUB(0)) ? GC_HWIP : MMHUB_HWIP;
282
283 spin_lock(&adev->gmc.invalidate_lock);
284 /*
285 * It may lose gpuvm invalidate acknowldege state across power-gating
286 * off cycle, add semaphore acquire before invalidation and semaphore
287 * release after invalidation to avoid entering power gated state
288 * to WA the Issue
289 */
290
291 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
292 if (use_semaphore) {
293 for (i = 0; i < adev->usec_timeout; i++) {
294 /* a read return value of 1 means semaphore acuqire */
295 tmp = RREG32_RLC_NO_KIQ(sem, hub_ip);
296 if (tmp & 0x1)
297 break;
298 udelay(1);
299 }
300
301 if (i >= adev->usec_timeout)
302 DRM_ERROR("Timeout waiting for sem acquire in VM flush!\n");
303 }
304
305 WREG32_RLC_NO_KIQ(req, inv_req, hub_ip);
306
307 /*
308 * Issue a dummy read to wait for the ACK register to be cleared
309 * to avoid a false ACK due to the new fast GRBM interface.
310 */
311 if ((vmhub == AMDGPU_GFXHUB(0)) &&
312 (amdgpu_ip_version(adev, GC_HWIP, 0) < IP_VERSION(10, 3, 0)))
313 RREG32_RLC_NO_KIQ(req, hub_ip);
314
315 /* Wait for ACK with a delay.*/
316 for (i = 0; i < adev->usec_timeout; i++) {
317 tmp = RREG32_RLC_NO_KIQ(ack, hub_ip);
318 tmp &= 1 << vmid;
319 if (tmp)
320 break;
321
322 udelay(1);
323 }
324
325 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
326 if (use_semaphore)
327 WREG32_RLC_NO_KIQ(sem, 0, hub_ip);
328
329 spin_unlock(&adev->gmc.invalidate_lock);
330
331 if (i >= adev->usec_timeout)
332 dev_err(adev->dev, "Timeout waiting for VM flush hub: %d!\n",
333 vmhub);
334 }
335
336 /**
337 * gmc_v10_0_flush_gpu_tlb_pasid - tlb flush via pasid
338 *
339 * @adev: amdgpu_device pointer
340 * @pasid: pasid to be flush
341 * @flush_type: the flush type
342 * @all_hub: Used with PACKET3_INVALIDATE_TLBS_ALL_HUB()
343 * @inst: is used to select which instance of KIQ to use for the invalidation
344 *
345 * Flush the TLB for the requested pasid.
346 */
gmc_v10_0_flush_gpu_tlb_pasid(struct amdgpu_device * adev,uint16_t pasid,uint32_t flush_type,bool all_hub,uint32_t inst)347 static void gmc_v10_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
348 uint16_t pasid, uint32_t flush_type,
349 bool all_hub, uint32_t inst)
350 {
351 uint16_t queried;
352 int vmid, i;
353
354 for (vmid = 1; vmid < AMDGPU_NUM_VMID; vmid++) {
355 bool valid;
356
357 valid = gmc_v10_0_get_atc_vmid_pasid_mapping_info(adev, vmid,
358 &queried);
359 if (!valid || queried != pasid)
360 continue;
361
362 if (all_hub) {
363 for_each_set_bit(i, adev->vmhubs_mask,
364 AMDGPU_MAX_VMHUBS)
365 gmc_v10_0_flush_gpu_tlb(adev, vmid, i,
366 flush_type);
367 } else {
368 gmc_v10_0_flush_gpu_tlb(adev, vmid, AMDGPU_GFXHUB(0),
369 flush_type);
370 }
371 }
372 }
373
gmc_v10_0_emit_flush_gpu_tlb(struct amdgpu_ring * ring,unsigned int vmid,uint64_t pd_addr)374 static uint64_t gmc_v10_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
375 unsigned int vmid, uint64_t pd_addr)
376 {
377 bool use_semaphore = gmc_v10_0_use_invalidate_semaphore(ring->adev, ring->vm_hub);
378 struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->vm_hub];
379 uint32_t req = hub->vmhub_funcs->get_invalidate_req(vmid, 0);
380 unsigned int eng = ring->vm_inv_eng;
381
382 /*
383 * It may lose gpuvm invalidate acknowldege state across power-gating
384 * off cycle, add semaphore acquire before invalidation and semaphore
385 * release after invalidation to avoid entering power gated state
386 * to WA the Issue
387 */
388
389 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
390 if (use_semaphore)
391 /* a read return value of 1 means semaphore acuqire */
392 amdgpu_ring_emit_reg_wait(ring,
393 hub->vm_inv_eng0_sem +
394 hub->eng_distance * eng, 0x1, 0x1);
395
396 amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_lo32 +
397 (hub->ctx_addr_distance * vmid),
398 lower_32_bits(pd_addr));
399
400 amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 +
401 (hub->ctx_addr_distance * vmid),
402 upper_32_bits(pd_addr));
403
404 amdgpu_ring_emit_reg_write_reg_wait(ring, hub->vm_inv_eng0_req +
405 hub->eng_distance * eng,
406 hub->vm_inv_eng0_ack +
407 hub->eng_distance * eng,
408 req, 1 << vmid);
409
410 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
411 if (use_semaphore)
412 /*
413 * add semaphore release after invalidation,
414 * write with 0 means semaphore release
415 */
416 amdgpu_ring_emit_wreg(ring, hub->vm_inv_eng0_sem +
417 hub->eng_distance * eng, 0);
418
419 return pd_addr;
420 }
421
gmc_v10_0_emit_pasid_mapping(struct amdgpu_ring * ring,unsigned int vmid,unsigned int pasid)422 static void gmc_v10_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned int vmid,
423 unsigned int pasid)
424 {
425 struct amdgpu_device *adev = ring->adev;
426 uint32_t reg;
427
428 if (ring->vm_hub == AMDGPU_GFXHUB(0))
429 reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT) + vmid;
430 else
431 reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT_MM) + vmid;
432
433 amdgpu_ring_emit_wreg(ring, reg, pasid);
434 }
435
436 /*
437 * PTE format on NAVI 10:
438 * 63:59 reserved
439 * 58 reserved and for sienna_cichlid is used for MALL noalloc
440 * 57 reserved
441 * 56 F
442 * 55 L
443 * 54 reserved
444 * 53:52 SW
445 * 51 T
446 * 50:48 mtype
447 * 47:12 4k physical page base address
448 * 11:7 fragment
449 * 6 write
450 * 5 read
451 * 4 exe
452 * 3 Z
453 * 2 snooped
454 * 1 system
455 * 0 valid
456 *
457 * PDE format on NAVI 10:
458 * 63:59 block fragment size
459 * 58:55 reserved
460 * 54 P
461 * 53:48 reserved
462 * 47:6 physical base address of PD or PTE
463 * 5:3 reserved
464 * 2 C
465 * 1 system
466 * 0 valid
467 */
468
gmc_v10_0_map_mtype(struct amdgpu_device * adev,uint32_t flags)469 static uint64_t gmc_v10_0_map_mtype(struct amdgpu_device *adev, uint32_t flags)
470 {
471 switch (flags) {
472 case AMDGPU_VM_MTYPE_DEFAULT:
473 return AMDGPU_PTE_MTYPE_NV10(0ULL, MTYPE_NC);
474 case AMDGPU_VM_MTYPE_NC:
475 return AMDGPU_PTE_MTYPE_NV10(0ULL, MTYPE_NC);
476 case AMDGPU_VM_MTYPE_WC:
477 return AMDGPU_PTE_MTYPE_NV10(0ULL, MTYPE_WC);
478 case AMDGPU_VM_MTYPE_CC:
479 return AMDGPU_PTE_MTYPE_NV10(0ULL, MTYPE_CC);
480 case AMDGPU_VM_MTYPE_UC:
481 return AMDGPU_PTE_MTYPE_NV10(0ULL, MTYPE_UC);
482 default:
483 return AMDGPU_PTE_MTYPE_NV10(0ULL, MTYPE_NC);
484 }
485 }
486
gmc_v10_0_get_vm_pde(struct amdgpu_device * adev,int level,uint64_t * addr,uint64_t * flags)487 static void gmc_v10_0_get_vm_pde(struct amdgpu_device *adev, int level,
488 uint64_t *addr, uint64_t *flags)
489 {
490 if (!(*flags & AMDGPU_PDE_PTE) && !(*flags & AMDGPU_PTE_SYSTEM))
491 *addr = amdgpu_gmc_vram_mc2pa(adev, *addr);
492 BUG_ON(*addr & 0xFFFF00000000003FULL);
493
494 if (!adev->gmc.translate_further)
495 return;
496
497 if (level == AMDGPU_VM_PDB1) {
498 /* Set the block fragment size */
499 if (!(*flags & AMDGPU_PDE_PTE))
500 *flags |= AMDGPU_PDE_BFS(0x9);
501
502 } else if (level == AMDGPU_VM_PDB0) {
503 if (*flags & AMDGPU_PDE_PTE)
504 *flags &= ~AMDGPU_PDE_PTE;
505 else
506 *flags |= AMDGPU_PTE_TF;
507 }
508 }
509
gmc_v10_0_get_vm_pte(struct amdgpu_device * adev,struct amdgpu_bo_va_mapping * mapping,uint64_t * flags)510 static void gmc_v10_0_get_vm_pte(struct amdgpu_device *adev,
511 struct amdgpu_bo_va_mapping *mapping,
512 uint64_t *flags)
513 {
514 struct amdgpu_bo *bo = mapping->bo_va->base.bo;
515
516 *flags &= ~AMDGPU_PTE_EXECUTABLE;
517 *flags |= mapping->flags & AMDGPU_PTE_EXECUTABLE;
518
519 *flags &= ~AMDGPU_PTE_MTYPE_NV10_MASK;
520 *flags |= (mapping->flags & AMDGPU_PTE_MTYPE_NV10_MASK);
521
522 *flags &= ~AMDGPU_PTE_NOALLOC;
523 *flags |= (mapping->flags & AMDGPU_PTE_NOALLOC);
524
525 if (mapping->flags & AMDGPU_PTE_PRT) {
526 *flags |= AMDGPU_PTE_PRT;
527 *flags |= AMDGPU_PTE_SNOOPED;
528 *flags |= AMDGPU_PTE_LOG;
529 *flags |= AMDGPU_PTE_SYSTEM;
530 *flags &= ~AMDGPU_PTE_VALID;
531 }
532
533 if (bo && bo->flags & (AMDGPU_GEM_CREATE_COHERENT |
534 AMDGPU_GEM_CREATE_EXT_COHERENT |
535 AMDGPU_GEM_CREATE_UNCACHED))
536 *flags = AMDGPU_PTE_MTYPE_NV10(*flags, MTYPE_UC);
537 }
538
gmc_v10_0_get_vbios_fb_size(struct amdgpu_device * adev)539 static unsigned int gmc_v10_0_get_vbios_fb_size(struct amdgpu_device *adev)
540 {
541 u32 d1vga_control = RREG32_SOC15(DCE, 0, mmD1VGA_CONTROL);
542 unsigned int size;
543
544 if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) {
545 size = AMDGPU_VBIOS_VGA_ALLOCATION;
546 } else {
547 u32 viewport;
548 u32 pitch;
549
550 viewport = RREG32_SOC15(DCE, 0, mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION);
551 pitch = RREG32_SOC15(DCE, 0, mmHUBPREQ0_DCSURF_SURFACE_PITCH);
552 size = (REG_GET_FIELD(viewport,
553 HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) *
554 REG_GET_FIELD(pitch, HUBPREQ0_DCSURF_SURFACE_PITCH, PITCH) *
555 4);
556 }
557
558 return size;
559 }
560
561 static const struct amdgpu_gmc_funcs gmc_v10_0_gmc_funcs = {
562 .flush_gpu_tlb = gmc_v10_0_flush_gpu_tlb,
563 .flush_gpu_tlb_pasid = gmc_v10_0_flush_gpu_tlb_pasid,
564 .emit_flush_gpu_tlb = gmc_v10_0_emit_flush_gpu_tlb,
565 .emit_pasid_mapping = gmc_v10_0_emit_pasid_mapping,
566 .map_mtype = gmc_v10_0_map_mtype,
567 .get_vm_pde = gmc_v10_0_get_vm_pde,
568 .get_vm_pte = gmc_v10_0_get_vm_pte,
569 .get_vbios_fb_size = gmc_v10_0_get_vbios_fb_size,
570 };
571
gmc_v10_0_set_gmc_funcs(struct amdgpu_device * adev)572 static void gmc_v10_0_set_gmc_funcs(struct amdgpu_device *adev)
573 {
574 if (adev->gmc.gmc_funcs == NULL)
575 adev->gmc.gmc_funcs = &gmc_v10_0_gmc_funcs;
576 }
577
gmc_v10_0_set_umc_funcs(struct amdgpu_device * adev)578 static void gmc_v10_0_set_umc_funcs(struct amdgpu_device *adev)
579 {
580 switch (amdgpu_ip_version(adev, UMC_HWIP, 0)) {
581 case IP_VERSION(8, 7, 0):
582 adev->umc.max_ras_err_cnt_per_query = UMC_V8_7_TOTAL_CHANNEL_NUM;
583 adev->umc.channel_inst_num = UMC_V8_7_CHANNEL_INSTANCE_NUM;
584 adev->umc.umc_inst_num = UMC_V8_7_UMC_INSTANCE_NUM;
585 adev->umc.channel_offs = UMC_V8_7_PER_CHANNEL_OFFSET_SIENNA;
586 adev->umc.retire_unit = 1;
587 adev->umc.channel_idx_tbl = &umc_v8_7_channel_idx_tbl[0][0];
588 adev->umc.ras = &umc_v8_7_ras;
589 break;
590 default:
591 break;
592 }
593 }
594
gmc_v10_0_set_mmhub_funcs(struct amdgpu_device * adev)595 static void gmc_v10_0_set_mmhub_funcs(struct amdgpu_device *adev)
596 {
597 switch (amdgpu_ip_version(adev, MMHUB_HWIP, 0)) {
598 case IP_VERSION(2, 3, 0):
599 case IP_VERSION(2, 4, 0):
600 case IP_VERSION(2, 4, 1):
601 adev->mmhub.funcs = &mmhub_v2_3_funcs;
602 break;
603 default:
604 adev->mmhub.funcs = &mmhub_v2_0_funcs;
605 break;
606 }
607 }
608
gmc_v10_0_set_gfxhub_funcs(struct amdgpu_device * adev)609 static void gmc_v10_0_set_gfxhub_funcs(struct amdgpu_device *adev)
610 {
611 switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
612 case IP_VERSION(10, 3, 0):
613 case IP_VERSION(10, 3, 2):
614 case IP_VERSION(10, 3, 1):
615 case IP_VERSION(10, 3, 4):
616 case IP_VERSION(10, 3, 5):
617 case IP_VERSION(10, 3, 6):
618 case IP_VERSION(10, 3, 3):
619 case IP_VERSION(10, 3, 7):
620 adev->gfxhub.funcs = &gfxhub_v2_1_funcs;
621 break;
622 default:
623 adev->gfxhub.funcs = &gfxhub_v2_0_funcs;
624 break;
625 }
626 }
627
628
gmc_v10_0_early_init(struct amdgpu_ip_block * ip_block)629 static int gmc_v10_0_early_init(struct amdgpu_ip_block *ip_block)
630 {
631 struct amdgpu_device *adev = ip_block->adev;
632
633 gmc_v10_0_set_mmhub_funcs(adev);
634 gmc_v10_0_set_gfxhub_funcs(adev);
635 gmc_v10_0_set_gmc_funcs(adev);
636 gmc_v10_0_set_irq_funcs(adev);
637 gmc_v10_0_set_umc_funcs(adev);
638
639 adev->gmc.shared_aperture_start = 0x2000000000000000ULL;
640 adev->gmc.shared_aperture_end =
641 adev->gmc.shared_aperture_start + (4ULL << 30) - 1;
642 adev->gmc.private_aperture_start = 0x1000000000000000ULL;
643 adev->gmc.private_aperture_end =
644 adev->gmc.private_aperture_start + (4ULL << 30) - 1;
645 adev->gmc.noretry_flags = AMDGPU_VM_NORETRY_FLAGS_TF;
646
647 return 0;
648 }
649
gmc_v10_0_late_init(struct amdgpu_ip_block * ip_block)650 static int gmc_v10_0_late_init(struct amdgpu_ip_block *ip_block)
651 {
652 struct amdgpu_device *adev = ip_block->adev;
653 int r;
654
655 r = amdgpu_gmc_allocate_vm_inv_eng(adev);
656 if (r)
657 return r;
658
659 r = amdgpu_gmc_ras_late_init(adev);
660 if (r)
661 return r;
662
663 return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0);
664 }
665
gmc_v10_0_vram_gtt_location(struct amdgpu_device * adev,struct amdgpu_gmc * mc)666 static void gmc_v10_0_vram_gtt_location(struct amdgpu_device *adev,
667 struct amdgpu_gmc *mc)
668 {
669 u64 base = 0;
670
671 base = adev->gfxhub.funcs->get_fb_location(adev);
672
673 /* add the xgmi offset of the physical node */
674 base += adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size;
675
676 amdgpu_gmc_set_agp_default(adev, mc);
677 amdgpu_gmc_vram_location(adev, &adev->gmc, base);
678 amdgpu_gmc_gart_location(adev, mc, AMDGPU_GART_PLACEMENT_BEST_FIT);
679 if (!amdgpu_sriov_vf(adev) && (amdgpu_agp == 1))
680 amdgpu_gmc_agp_location(adev, mc);
681
682 /* base offset of vram pages */
683 adev->vm_manager.vram_base_offset = adev->gfxhub.funcs->get_mc_fb_offset(adev);
684
685 /* add the xgmi offset of the physical node */
686 adev->vm_manager.vram_base_offset +=
687 adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size;
688 }
689
690 /**
691 * gmc_v10_0_mc_init - initialize the memory controller driver params
692 *
693 * @adev: amdgpu_device pointer
694 *
695 * Look up the amount of vram, vram width, and decide how to place
696 * vram and gart within the GPU's physical address space.
697 * Returns 0 for success.
698 */
gmc_v10_0_mc_init(struct amdgpu_device * adev)699 static int gmc_v10_0_mc_init(struct amdgpu_device *adev)
700 {
701 int r;
702
703 /* size in MB on si */
704 adev->gmc.mc_vram_size =
705 adev->nbio.funcs->get_memsize(adev) * 1024ULL * 1024ULL;
706 adev->gmc.real_vram_size = adev->gmc.mc_vram_size;
707
708 if (!(adev->flags & AMD_IS_APU)) {
709 r = amdgpu_device_resize_fb_bar(adev);
710 if (r)
711 return r;
712 }
713 adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
714 adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
715
716 #ifdef CONFIG_X86_64
717 if ((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) {
718 adev->gmc.aper_base = adev->gfxhub.funcs->get_mc_fb_offset(adev);
719 adev->gmc.aper_size = adev->gmc.real_vram_size;
720 }
721 #endif
722
723 adev->gmc.visible_vram_size = adev->gmc.aper_size;
724
725 /* set the gart size */
726 if (amdgpu_gart_size == -1) {
727 switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
728 default:
729 adev->gmc.gart_size = 512ULL << 20;
730 break;
731 case IP_VERSION(10, 3, 1): /* DCE SG support */
732 case IP_VERSION(10, 3, 3): /* DCE SG support */
733 case IP_VERSION(10, 3, 6): /* DCE SG support */
734 case IP_VERSION(10, 3, 7): /* DCE SG support */
735 adev->gmc.gart_size = 1024ULL << 20;
736 break;
737 }
738 } else {
739 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20;
740 }
741
742 gmc_v10_0_vram_gtt_location(adev, &adev->gmc);
743
744 return 0;
745 }
746
gmc_v10_0_gart_init(struct amdgpu_device * adev)747 static int gmc_v10_0_gart_init(struct amdgpu_device *adev)
748 {
749 int r;
750
751 if (adev->gart.bo) {
752 WARN(1, "NAVI10 PCIE GART already initialized\n");
753 return 0;
754 }
755
756 /* Initialize common gart structure */
757 r = amdgpu_gart_init(adev);
758 if (r)
759 return r;
760
761 adev->gart.table_size = adev->gart.num_gpu_pages * 8;
762 adev->gart.gart_pte_flags = AMDGPU_PTE_MTYPE_NV10(0ULL, MTYPE_UC) |
763 AMDGPU_PTE_EXECUTABLE;
764
765 return amdgpu_gart_table_vram_alloc(adev);
766 }
767
gmc_v10_0_sw_init(struct amdgpu_ip_block * ip_block)768 static int gmc_v10_0_sw_init(struct amdgpu_ip_block *ip_block)
769 {
770 int r, vram_width = 0, vram_type = 0, vram_vendor = 0;
771 struct amdgpu_device *adev = ip_block->adev;
772
773 adev->gfxhub.funcs->init(adev);
774
775 adev->mmhub.funcs->init(adev);
776
777 spin_lock_init(&adev->gmc.invalidate_lock);
778
779 if ((adev->flags & AMD_IS_APU) && amdgpu_emu_mode == 1) {
780 adev->gmc.vram_type = AMDGPU_VRAM_TYPE_DDR4;
781 adev->gmc.vram_width = 64;
782 } else if (amdgpu_emu_mode == 1) {
783 adev->gmc.vram_type = AMDGPU_VRAM_TYPE_GDDR6;
784 adev->gmc.vram_width = 1 * 128; /* numchan * chansize */
785 } else {
786 r = amdgpu_atomfirmware_get_vram_info(adev,
787 &vram_width, &vram_type, &vram_vendor);
788 adev->gmc.vram_width = vram_width;
789
790 adev->gmc.vram_type = vram_type;
791 adev->gmc.vram_vendor = vram_vendor;
792 }
793
794 switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
795 case IP_VERSION(10, 3, 0):
796 adev->gmc.mall_size = 128 * 1024 * 1024;
797 break;
798 case IP_VERSION(10, 3, 2):
799 adev->gmc.mall_size = 96 * 1024 * 1024;
800 break;
801 case IP_VERSION(10, 3, 4):
802 adev->gmc.mall_size = 32 * 1024 * 1024;
803 break;
804 case IP_VERSION(10, 3, 5):
805 adev->gmc.mall_size = 16 * 1024 * 1024;
806 break;
807 default:
808 adev->gmc.mall_size = 0;
809 break;
810 }
811
812 switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
813 case IP_VERSION(10, 1, 10):
814 case IP_VERSION(10, 1, 1):
815 case IP_VERSION(10, 1, 2):
816 case IP_VERSION(10, 1, 3):
817 case IP_VERSION(10, 1, 4):
818 case IP_VERSION(10, 3, 0):
819 case IP_VERSION(10, 3, 2):
820 case IP_VERSION(10, 3, 1):
821 case IP_VERSION(10, 3, 4):
822 case IP_VERSION(10, 3, 5):
823 case IP_VERSION(10, 3, 6):
824 case IP_VERSION(10, 3, 3):
825 case IP_VERSION(10, 3, 7):
826 set_bit(AMDGPU_GFXHUB(0), adev->vmhubs_mask);
827 set_bit(AMDGPU_MMHUB0(0), adev->vmhubs_mask);
828 /*
829 * To fulfill 4-level page support,
830 * vm size is 256TB (48bit), maximum size of Navi10/Navi14/Navi12,
831 * block size 512 (9bit)
832 */
833 amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
834 break;
835 default:
836 break;
837 }
838
839 /* This interrupt is VMC page fault.*/
840 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VMC,
841 VMC_1_0__SRCID__VM_FAULT,
842 &adev->gmc.vm_fault);
843
844 if (r)
845 return r;
846
847 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_UTCL2,
848 UTCL2_1_0__SRCID__FAULT,
849 &adev->gmc.vm_fault);
850 if (r)
851 return r;
852
853 if (!amdgpu_sriov_vf(adev)) {
854 /* interrupt sent to DF. */
855 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DF, 0,
856 &adev->gmc.ecc_irq);
857 if (r)
858 return r;
859 }
860
861 /*
862 * Set the internal MC address mask This is the max address of the GPU's
863 * internal address space.
864 */
865 adev->gmc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */
866
867 r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(44));
868 if (r) {
869 dev_warn(adev->dev, "amdgpu: No suitable DMA available.\n");
870 return r;
871 }
872
873 adev->need_swiotlb = drm_need_swiotlb(44);
874
875 r = gmc_v10_0_mc_init(adev);
876 if (r)
877 return r;
878
879 amdgpu_gmc_get_vbios_allocations(adev);
880
881 /* Memory manager */
882 r = amdgpu_bo_init(adev);
883 if (r)
884 return r;
885
886 r = gmc_v10_0_gart_init(adev);
887 if (r)
888 return r;
889
890 /*
891 * number of VMs
892 * VMID 0 is reserved for System
893 * amdgpu graphics/compute will use VMIDs 1-7
894 * amdkfd will use VMIDs 8-15
895 */
896 adev->vm_manager.first_kfd_vmid = 8;
897
898 amdgpu_vm_manager_init(adev);
899
900 r = amdgpu_gmc_ras_sw_init(adev);
901 if (r)
902 return r;
903
904 return 0;
905 }
906
907 /**
908 * gmc_v10_0_gart_fini - vm fini callback
909 *
910 * @adev: amdgpu_device pointer
911 *
912 * Tears down the driver GART/VM setup (CIK).
913 */
gmc_v10_0_gart_fini(struct amdgpu_device * adev)914 static void gmc_v10_0_gart_fini(struct amdgpu_device *adev)
915 {
916 amdgpu_gart_table_vram_free(adev);
917 }
918
gmc_v10_0_sw_fini(struct amdgpu_ip_block * ip_block)919 static int gmc_v10_0_sw_fini(struct amdgpu_ip_block *ip_block)
920 {
921 struct amdgpu_device *adev = ip_block->adev;
922
923 amdgpu_vm_manager_fini(adev);
924 gmc_v10_0_gart_fini(adev);
925 amdgpu_gem_force_release(adev);
926 amdgpu_bo_fini(adev);
927
928 return 0;
929 }
930
gmc_v10_0_init_golden_registers(struct amdgpu_device * adev)931 static void gmc_v10_0_init_golden_registers(struct amdgpu_device *adev)
932 {
933 }
934
935 /**
936 * gmc_v10_0_gart_enable - gart enable
937 *
938 * @adev: amdgpu_device pointer
939 */
gmc_v10_0_gart_enable(struct amdgpu_device * adev)940 static int gmc_v10_0_gart_enable(struct amdgpu_device *adev)
941 {
942 int r;
943 bool value;
944
945 if (adev->gart.bo == NULL) {
946 dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
947 return -EINVAL;
948 }
949
950 amdgpu_gtt_mgr_recover(&adev->mman.gtt_mgr);
951
952 if (!adev->in_s0ix) {
953 r = adev->gfxhub.funcs->gart_enable(adev);
954 if (r)
955 return r;
956 }
957
958 r = adev->mmhub.funcs->gart_enable(adev);
959 if (r)
960 return r;
961
962 adev->hdp.funcs->init_registers(adev);
963
964 /* Flush HDP after it is initialized */
965 amdgpu_device_flush_hdp(adev, NULL);
966
967 value = (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) ?
968 false : true;
969
970 if (!adev->in_s0ix)
971 adev->gfxhub.funcs->set_fault_enable_default(adev, value);
972 adev->mmhub.funcs->set_fault_enable_default(adev, value);
973 gmc_v10_0_flush_gpu_tlb(adev, 0, AMDGPU_MMHUB0(0), 0);
974 if (!adev->in_s0ix)
975 gmc_v10_0_flush_gpu_tlb(adev, 0, AMDGPU_GFXHUB(0), 0);
976
977 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
978 (unsigned int)(adev->gmc.gart_size >> 20),
979 (unsigned long long)amdgpu_bo_gpu_offset(adev->gart.bo));
980
981 return 0;
982 }
983
gmc_v10_0_hw_init(struct amdgpu_ip_block * ip_block)984 static int gmc_v10_0_hw_init(struct amdgpu_ip_block *ip_block)
985 {
986 struct amdgpu_device *adev = ip_block->adev;
987 int r;
988
989 adev->gmc.flush_pasid_uses_kiq = !amdgpu_emu_mode;
990
991 /* The sequence of these two function calls matters.*/
992 gmc_v10_0_init_golden_registers(adev);
993
994 /*
995 * harvestable groups in gc_utcl2 need to be programmed before any GFX block
996 * register setup within GMC, or else system hang when harvesting SA.
997 */
998 if (!adev->in_s0ix && adev->gfxhub.funcs && adev->gfxhub.funcs->utcl2_harvest)
999 adev->gfxhub.funcs->utcl2_harvest(adev);
1000
1001 r = gmc_v10_0_gart_enable(adev);
1002 if (r)
1003 return r;
1004
1005 if (amdgpu_emu_mode == 1) {
1006 r = amdgpu_gmc_vram_checking(adev);
1007 if (r)
1008 return r;
1009 }
1010
1011 if (adev->umc.funcs && adev->umc.funcs->init_registers)
1012 adev->umc.funcs->init_registers(adev);
1013
1014 return 0;
1015 }
1016
1017 /**
1018 * gmc_v10_0_gart_disable - gart disable
1019 *
1020 * @adev: amdgpu_device pointer
1021 *
1022 * This disables all VM page table.
1023 */
gmc_v10_0_gart_disable(struct amdgpu_device * adev)1024 static void gmc_v10_0_gart_disable(struct amdgpu_device *adev)
1025 {
1026 if (!adev->in_s0ix)
1027 adev->gfxhub.funcs->gart_disable(adev);
1028 adev->mmhub.funcs->gart_disable(adev);
1029 }
1030
gmc_v10_0_hw_fini(struct amdgpu_ip_block * ip_block)1031 static int gmc_v10_0_hw_fini(struct amdgpu_ip_block *ip_block)
1032 {
1033 struct amdgpu_device *adev = ip_block->adev;
1034
1035 gmc_v10_0_gart_disable(adev);
1036
1037 if (amdgpu_sriov_vf(adev)) {
1038 /* full access mode, so don't touch any GMC register */
1039 DRM_DEBUG("For SRIOV client, shouldn't do anything.\n");
1040 return 0;
1041 }
1042
1043 amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
1044
1045 if (adev->gmc.ecc_irq.funcs &&
1046 amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__UMC))
1047 amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0);
1048
1049 return 0;
1050 }
1051
gmc_v10_0_suspend(struct amdgpu_ip_block * ip_block)1052 static int gmc_v10_0_suspend(struct amdgpu_ip_block *ip_block)
1053 {
1054 gmc_v10_0_hw_fini(ip_block);
1055
1056 return 0;
1057 }
1058
gmc_v10_0_resume(struct amdgpu_ip_block * ip_block)1059 static int gmc_v10_0_resume(struct amdgpu_ip_block *ip_block)
1060 {
1061 int r;
1062
1063 r = gmc_v10_0_hw_init(ip_block);
1064 if (r)
1065 return r;
1066
1067 amdgpu_vmid_reset_all(ip_block->adev);
1068
1069 return 0;
1070 }
1071
gmc_v10_0_is_idle(struct amdgpu_ip_block * ip_block)1072 static bool gmc_v10_0_is_idle(struct amdgpu_ip_block *ip_block)
1073 {
1074 /* MC is always ready in GMC v10.*/
1075 return true;
1076 }
1077
gmc_v10_0_wait_for_idle(struct amdgpu_ip_block * ip_block)1078 static int gmc_v10_0_wait_for_idle(struct amdgpu_ip_block *ip_block)
1079 {
1080 /* There is no need to wait for MC idle in GMC v10.*/
1081 return 0;
1082 }
1083
gmc_v10_0_set_clockgating_state(struct amdgpu_ip_block * ip_block,enum amd_clockgating_state state)1084 static int gmc_v10_0_set_clockgating_state(struct amdgpu_ip_block *ip_block,
1085 enum amd_clockgating_state state)
1086 {
1087 int r;
1088 struct amdgpu_device *adev = ip_block->adev;
1089
1090 /*
1091 * The issue mmhub can't disconnect from DF with MMHUB clock gating being disabled
1092 * is a new problem observed at DF 3.0.3, however with the same suspend sequence not
1093 * seen any issue on the DF 3.0.2 series platform.
1094 */
1095 if (adev->in_s0ix &&
1096 amdgpu_ip_version(adev, DF_HWIP, 0) > IP_VERSION(3, 0, 2)) {
1097 dev_dbg(adev->dev, "keep mmhub clock gating being enabled for s0ix\n");
1098 return 0;
1099 }
1100
1101 r = adev->mmhub.funcs->set_clockgating(adev, state);
1102 if (r)
1103 return r;
1104
1105 if (amdgpu_ip_version(adev, ATHUB_HWIP, 0) >= IP_VERSION(2, 1, 0))
1106 return athub_v2_1_set_clockgating(adev, state);
1107 else
1108 return athub_v2_0_set_clockgating(adev, state);
1109 }
1110
gmc_v10_0_get_clockgating_state(struct amdgpu_ip_block * ip_block,u64 * flags)1111 static void gmc_v10_0_get_clockgating_state(struct amdgpu_ip_block *ip_block, u64 *flags)
1112 {
1113 struct amdgpu_device *adev = ip_block->adev;
1114
1115 if (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(10, 1, 3) ||
1116 amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(10, 1, 4))
1117 return;
1118
1119 adev->mmhub.funcs->get_clockgating(adev, flags);
1120
1121 if (amdgpu_ip_version(adev, ATHUB_HWIP, 0) >= IP_VERSION(2, 1, 0))
1122 athub_v2_1_get_clockgating(adev, flags);
1123 else
1124 athub_v2_0_get_clockgating(adev, flags);
1125 }
1126
gmc_v10_0_set_powergating_state(struct amdgpu_ip_block * ip_block,enum amd_powergating_state state)1127 static int gmc_v10_0_set_powergating_state(struct amdgpu_ip_block *ip_block,
1128 enum amd_powergating_state state)
1129 {
1130 return 0;
1131 }
1132
1133 const struct amd_ip_funcs gmc_v10_0_ip_funcs = {
1134 .name = "gmc_v10_0",
1135 .early_init = gmc_v10_0_early_init,
1136 .late_init = gmc_v10_0_late_init,
1137 .sw_init = gmc_v10_0_sw_init,
1138 .sw_fini = gmc_v10_0_sw_fini,
1139 .hw_init = gmc_v10_0_hw_init,
1140 .hw_fini = gmc_v10_0_hw_fini,
1141 .suspend = gmc_v10_0_suspend,
1142 .resume = gmc_v10_0_resume,
1143 .is_idle = gmc_v10_0_is_idle,
1144 .wait_for_idle = gmc_v10_0_wait_for_idle,
1145 .set_clockgating_state = gmc_v10_0_set_clockgating_state,
1146 .set_powergating_state = gmc_v10_0_set_powergating_state,
1147 .get_clockgating_state = gmc_v10_0_get_clockgating_state,
1148 };
1149
1150 const struct amdgpu_ip_block_version gmc_v10_0_ip_block = {
1151 .type = AMD_IP_BLOCK_TYPE_GMC,
1152 .major = 10,
1153 .minor = 0,
1154 .rev = 0,
1155 .funcs = &gmc_v10_0_ip_funcs,
1156 };
1157