Linux 6.9-rc1
[linux-2.6-microblaze.git] / drivers / gpu / drm / amd / amdgpu / gmc_v10_0.c
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
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
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
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, write_fault))
136                         return 1;
137         }
138
139         if (!amdgpu_sriov_vf(adev)) {
140                 /*
141                  * Issue a dummy read to wait for the status register to
142                  * be updated to avoid reading an incorrect value due to
143                  * the new fast GRBM interface.
144                  */
145                 if ((entry->vmid_src == AMDGPU_GFXHUB(0)) &&
146                     (amdgpu_ip_version(adev, GC_HWIP, 0) <
147                      IP_VERSION(10, 3, 0)))
148                         RREG32(hub->vm_l2_pro_fault_status);
149
150                 status = RREG32(hub->vm_l2_pro_fault_status);
151                 WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1);
152
153                 amdgpu_vm_update_fault_cache(adev, entry->pasid, addr, status,
154                                              entry->vmid_src ? AMDGPU_MMHUB0(0) : AMDGPU_GFXHUB(0));
155         }
156
157         if (!printk_ratelimit())
158                 return 0;
159
160         dev_err(adev->dev,
161                 "[%s] page fault (src_id:%u ring:%u vmid:%u pasid:%u)\n",
162                 entry->vmid_src ? "mmhub" : "gfxhub",
163                 entry->src_id, entry->ring_id, entry->vmid, entry->pasid);
164         task_info = amdgpu_vm_get_task_info_pasid(adev, entry->pasid);
165         if (task_info) {
166                 dev_err(adev->dev,
167                         " in process %s pid %d thread %s pid %d\n",
168                         task_info->process_name, task_info->tgid,
169                         task_info->task_name, task_info->pid);
170                 amdgpu_vm_put_task_info(task_info);
171         }
172
173         dev_err(adev->dev, "  in page starting at address 0x%016llx from client 0x%x (%s)\n",
174                         addr, entry->client_id,
175                         soc15_ih_clientid_name[entry->client_id]);
176
177         if (!amdgpu_sriov_vf(adev))
178                 hub->vmhub_funcs->print_l2_protection_fault_status(adev,
179                                                                    status);
180
181         return 0;
182 }
183
184 static const struct amdgpu_irq_src_funcs gmc_v10_0_irq_funcs = {
185         .set = gmc_v10_0_vm_fault_interrupt_state,
186         .process = gmc_v10_0_process_interrupt,
187 };
188
189 static const struct amdgpu_irq_src_funcs gmc_v10_0_ecc_funcs = {
190         .set = gmc_v10_0_ecc_interrupt_state,
191         .process = amdgpu_umc_process_ecc_irq,
192 };
193
194 static void gmc_v10_0_set_irq_funcs(struct amdgpu_device *adev)
195 {
196         adev->gmc.vm_fault.num_types = 1;
197         adev->gmc.vm_fault.funcs = &gmc_v10_0_irq_funcs;
198
199         if (!amdgpu_sriov_vf(adev)) {
200                 adev->gmc.ecc_irq.num_types = 1;
201                 adev->gmc.ecc_irq.funcs = &gmc_v10_0_ecc_funcs;
202         }
203 }
204
205 /**
206  * gmc_v10_0_use_invalidate_semaphore - judge whether to use semaphore
207  *
208  * @adev: amdgpu_device pointer
209  * @vmhub: vmhub type
210  *
211  */
212 static bool gmc_v10_0_use_invalidate_semaphore(struct amdgpu_device *adev,
213                                        uint32_t vmhub)
214 {
215         return ((vmhub == AMDGPU_MMHUB0(0)) &&
216                 (!amdgpu_sriov_vf(adev)));
217 }
218
219 static bool gmc_v10_0_get_atc_vmid_pasid_mapping_info(
220                                         struct amdgpu_device *adev,
221                                         uint8_t vmid, uint16_t *p_pasid)
222 {
223         uint32_t value;
224
225         value = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING)
226                      + vmid);
227         *p_pasid = value & ATC_VMID0_PASID_MAPPING__PASID_MASK;
228
229         return !!(value & ATC_VMID0_PASID_MAPPING__VALID_MASK);
230 }
231
232 /*
233  * GART
234  * VMID 0 is the physical GPU addresses as used by the kernel.
235  * VMIDs 1-15 are used for userspace clients and are handled
236  * by the amdgpu vm/hsa code.
237  */
238
239 /**
240  * gmc_v10_0_flush_gpu_tlb - gart tlb flush callback
241  *
242  * @adev: amdgpu_device pointer
243  * @vmid: vm instance to flush
244  * @vmhub: vmhub type
245  * @flush_type: the flush type
246  *
247  * Flush the TLB for the requested page table.
248  */
249 static void gmc_v10_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
250                                         uint32_t vmhub, uint32_t flush_type)
251 {
252         bool use_semaphore = gmc_v10_0_use_invalidate_semaphore(adev, vmhub);
253         struct amdgpu_vmhub *hub = &adev->vmhub[vmhub];
254         u32 inv_req = hub->vmhub_funcs->get_invalidate_req(vmid, flush_type);
255         /* Use register 17 for GART */
256         const unsigned int eng = 17;
257         unsigned char hub_ip = 0;
258         u32 sem, req, ack;
259         unsigned int i;
260         u32 tmp;
261
262         sem = hub->vm_inv_eng0_sem + hub->eng_distance * eng;
263         req = hub->vm_inv_eng0_req + hub->eng_distance * eng;
264         ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng;
265
266         /* flush hdp cache */
267         adev->hdp.funcs->flush_hdp(adev, NULL);
268
269         /* This is necessary for SRIOV as well as for GFXOFF to function
270          * properly under bare metal
271          */
272         if (adev->gfx.kiq[0].ring.sched.ready && !adev->enable_mes &&
273             (amdgpu_sriov_runtime(adev) || !amdgpu_sriov_vf(adev))) {
274                 amdgpu_gmc_fw_reg_write_reg_wait(adev, req, ack, inv_req,
275                                                  1 << vmid, GET_INST(GC, 0));
276                 return;
277         }
278
279         /* This path is needed before KIQ/MES/GFXOFF are set up */
280         hub_ip = (vmhub == AMDGPU_GFXHUB(0)) ? GC_HWIP : MMHUB_HWIP;
281
282         spin_lock(&adev->gmc.invalidate_lock);
283         /*
284          * It may lose gpuvm invalidate acknowldege state across power-gating
285          * off cycle, add semaphore acquire before invalidation and semaphore
286          * release after invalidation to avoid entering power gated state
287          * to WA the Issue
288          */
289
290         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
291         if (use_semaphore) {
292                 for (i = 0; i < adev->usec_timeout; i++) {
293                         /* a read return value of 1 means semaphore acuqire */
294                         tmp = RREG32_RLC_NO_KIQ(sem, hub_ip);
295                         if (tmp & 0x1)
296                                 break;
297                         udelay(1);
298                 }
299
300                 if (i >= adev->usec_timeout)
301                         DRM_ERROR("Timeout waiting for sem acquire in VM flush!\n");
302         }
303
304         WREG32_RLC_NO_KIQ(req, inv_req, hub_ip);
305
306         /*
307          * Issue a dummy read to wait for the ACK register to be cleared
308          * to avoid a false ACK due to the new fast GRBM interface.
309          */
310         if ((vmhub == AMDGPU_GFXHUB(0)) &&
311             (amdgpu_ip_version(adev, GC_HWIP, 0) < IP_VERSION(10, 3, 0)))
312                 RREG32_RLC_NO_KIQ(req, hub_ip);
313
314         /* Wait for ACK with a delay.*/
315         for (i = 0; i < adev->usec_timeout; i++) {
316                 tmp = RREG32_RLC_NO_KIQ(ack, hub_ip);
317                 tmp &= 1 << vmid;
318                 if (tmp)
319                         break;
320
321                 udelay(1);
322         }
323
324         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
325         if (use_semaphore)
326                 WREG32_RLC_NO_KIQ(sem, 0, hub_ip);
327
328         spin_unlock(&adev->gmc.invalidate_lock);
329
330         if (i >= adev->usec_timeout)
331                 dev_err(adev->dev, "Timeout waiting for VM flush hub: %d!\n",
332                         vmhub);
333 }
334
335 /**
336  * gmc_v10_0_flush_gpu_tlb_pasid - tlb flush via pasid
337  *
338  * @adev: amdgpu_device pointer
339  * @pasid: pasid to be flush
340  * @flush_type: the flush type
341  * @all_hub: Used with PACKET3_INVALIDATE_TLBS_ALL_HUB()
342  * @inst: is used to select which instance of KIQ to use for the invalidation
343  *
344  * Flush the TLB for the requested pasid.
345  */
346 static void gmc_v10_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
347                                           uint16_t pasid, uint32_t flush_type,
348                                           bool all_hub, uint32_t inst)
349 {
350         uint16_t queried;
351         int vmid, i;
352
353         for (vmid = 1; vmid < AMDGPU_NUM_VMID; vmid++) {
354                 bool valid;
355
356                 valid = gmc_v10_0_get_atc_vmid_pasid_mapping_info(adev, vmid,
357                                                                   &queried);
358                 if (!valid || queried != pasid)
359                         continue;
360
361                 if (all_hub) {
362                         for_each_set_bit(i, adev->vmhubs_mask,
363                                          AMDGPU_MAX_VMHUBS)
364                                 gmc_v10_0_flush_gpu_tlb(adev, vmid, i,
365                                                         flush_type);
366                 } else {
367                         gmc_v10_0_flush_gpu_tlb(adev, vmid, AMDGPU_GFXHUB(0),
368                                                 flush_type);
369                 }
370         }
371 }
372
373 static uint64_t gmc_v10_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
374                                              unsigned int vmid, uint64_t pd_addr)
375 {
376         bool use_semaphore = gmc_v10_0_use_invalidate_semaphore(ring->adev, ring->vm_hub);
377         struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->vm_hub];
378         uint32_t req = hub->vmhub_funcs->get_invalidate_req(vmid, 0);
379         unsigned int eng = ring->vm_inv_eng;
380
381         /*
382          * It may lose gpuvm invalidate acknowldege state across power-gating
383          * off cycle, add semaphore acquire before invalidation and semaphore
384          * release after invalidation to avoid entering power gated state
385          * to WA the Issue
386          */
387
388         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
389         if (use_semaphore)
390                 /* a read return value of 1 means semaphore acuqire */
391                 amdgpu_ring_emit_reg_wait(ring,
392                                           hub->vm_inv_eng0_sem +
393                                           hub->eng_distance * eng, 0x1, 0x1);
394
395         amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_lo32 +
396                               (hub->ctx_addr_distance * vmid),
397                               lower_32_bits(pd_addr));
398
399         amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 +
400                               (hub->ctx_addr_distance * vmid),
401                               upper_32_bits(pd_addr));
402
403         amdgpu_ring_emit_reg_write_reg_wait(ring, hub->vm_inv_eng0_req +
404                                             hub->eng_distance * eng,
405                                             hub->vm_inv_eng0_ack +
406                                             hub->eng_distance * eng,
407                                             req, 1 << vmid);
408
409         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
410         if (use_semaphore)
411                 /*
412                  * add semaphore release after invalidation,
413                  * write with 0 means semaphore release
414                  */
415                 amdgpu_ring_emit_wreg(ring, hub->vm_inv_eng0_sem +
416                                       hub->eng_distance * eng, 0);
417
418         return pd_addr;
419 }
420
421 static void gmc_v10_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned int vmid,
422                                          unsigned int pasid)
423 {
424         struct amdgpu_device *adev = ring->adev;
425         uint32_t reg;
426
427         /* MES fw manages IH_VMID_x_LUT updating */
428         if (ring->is_mes_queue)
429                 return;
430
431         if (ring->vm_hub == AMDGPU_GFXHUB(0))
432                 reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT) + vmid;
433         else
434                 reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT_MM) + vmid;
435
436         amdgpu_ring_emit_wreg(ring, reg, pasid);
437 }
438
439 /*
440  * PTE format on NAVI 10:
441  * 63:59 reserved
442  * 58 reserved and for sienna_cichlid is used for MALL noalloc
443  * 57 reserved
444  * 56 F
445  * 55 L
446  * 54 reserved
447  * 53:52 SW
448  * 51 T
449  * 50:48 mtype
450  * 47:12 4k physical page base address
451  * 11:7 fragment
452  * 6 write
453  * 5 read
454  * 4 exe
455  * 3 Z
456  * 2 snooped
457  * 1 system
458  * 0 valid
459  *
460  * PDE format on NAVI 10:
461  * 63:59 block fragment size
462  * 58:55 reserved
463  * 54 P
464  * 53:48 reserved
465  * 47:6 physical base address of PD or PTE
466  * 5:3 reserved
467  * 2 C
468  * 1 system
469  * 0 valid
470  */
471
472 static uint64_t gmc_v10_0_map_mtype(struct amdgpu_device *adev, uint32_t flags)
473 {
474         switch (flags) {
475         case AMDGPU_VM_MTYPE_DEFAULT:
476                 return AMDGPU_PTE_MTYPE_NV10(MTYPE_NC);
477         case AMDGPU_VM_MTYPE_NC:
478                 return AMDGPU_PTE_MTYPE_NV10(MTYPE_NC);
479         case AMDGPU_VM_MTYPE_WC:
480                 return AMDGPU_PTE_MTYPE_NV10(MTYPE_WC);
481         case AMDGPU_VM_MTYPE_CC:
482                 return AMDGPU_PTE_MTYPE_NV10(MTYPE_CC);
483         case AMDGPU_VM_MTYPE_UC:
484                 return AMDGPU_PTE_MTYPE_NV10(MTYPE_UC);
485         default:
486                 return AMDGPU_PTE_MTYPE_NV10(MTYPE_NC);
487         }
488 }
489
490 static void gmc_v10_0_get_vm_pde(struct amdgpu_device *adev, int level,
491                                  uint64_t *addr, uint64_t *flags)
492 {
493         if (!(*flags & AMDGPU_PDE_PTE) && !(*flags & AMDGPU_PTE_SYSTEM))
494                 *addr = amdgpu_gmc_vram_mc2pa(adev, *addr);
495         BUG_ON(*addr & 0xFFFF00000000003FULL);
496
497         if (!adev->gmc.translate_further)
498                 return;
499
500         if (level == AMDGPU_VM_PDB1) {
501                 /* Set the block fragment size */
502                 if (!(*flags & AMDGPU_PDE_PTE))
503                         *flags |= AMDGPU_PDE_BFS(0x9);
504
505         } else if (level == AMDGPU_VM_PDB0) {
506                 if (*flags & AMDGPU_PDE_PTE)
507                         *flags &= ~AMDGPU_PDE_PTE;
508                 else
509                         *flags |= AMDGPU_PTE_TF;
510         }
511 }
512
513 static void gmc_v10_0_get_vm_pte(struct amdgpu_device *adev,
514                                  struct amdgpu_bo_va_mapping *mapping,
515                                  uint64_t *flags)
516 {
517         struct amdgpu_bo *bo = mapping->bo_va->base.bo;
518
519         *flags &= ~AMDGPU_PTE_EXECUTABLE;
520         *flags |= mapping->flags & AMDGPU_PTE_EXECUTABLE;
521
522         *flags &= ~AMDGPU_PTE_MTYPE_NV10_MASK;
523         *flags |= (mapping->flags & AMDGPU_PTE_MTYPE_NV10_MASK);
524
525         *flags &= ~AMDGPU_PTE_NOALLOC;
526         *flags |= (mapping->flags & AMDGPU_PTE_NOALLOC);
527
528         if (mapping->flags & AMDGPU_PTE_PRT) {
529                 *flags |= AMDGPU_PTE_PRT;
530                 *flags |= AMDGPU_PTE_SNOOPED;
531                 *flags |= AMDGPU_PTE_LOG;
532                 *flags |= AMDGPU_PTE_SYSTEM;
533                 *flags &= ~AMDGPU_PTE_VALID;
534         }
535
536         if (bo && bo->flags & (AMDGPU_GEM_CREATE_COHERENT |
537                                AMDGPU_GEM_CREATE_EXT_COHERENT |
538                                AMDGPU_GEM_CREATE_UNCACHED))
539                 *flags = (*flags & ~AMDGPU_PTE_MTYPE_NV10_MASK) |
540                          AMDGPU_PTE_MTYPE_NV10(MTYPE_UC);
541 }
542
543 static unsigned int gmc_v10_0_get_vbios_fb_size(struct amdgpu_device *adev)
544 {
545         u32 d1vga_control = RREG32_SOC15(DCE, 0, mmD1VGA_CONTROL);
546         unsigned int size;
547
548         if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) {
549                 size = AMDGPU_VBIOS_VGA_ALLOCATION;
550         } else {
551                 u32 viewport;
552                 u32 pitch;
553
554                 viewport = RREG32_SOC15(DCE, 0, mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION);
555                 pitch = RREG32_SOC15(DCE, 0, mmHUBPREQ0_DCSURF_SURFACE_PITCH);
556                 size = (REG_GET_FIELD(viewport,
557                                         HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) *
558                                 REG_GET_FIELD(pitch, HUBPREQ0_DCSURF_SURFACE_PITCH, PITCH) *
559                                 4);
560         }
561
562         return size;
563 }
564
565 static const struct amdgpu_gmc_funcs gmc_v10_0_gmc_funcs = {
566         .flush_gpu_tlb = gmc_v10_0_flush_gpu_tlb,
567         .flush_gpu_tlb_pasid = gmc_v10_0_flush_gpu_tlb_pasid,
568         .emit_flush_gpu_tlb = gmc_v10_0_emit_flush_gpu_tlb,
569         .emit_pasid_mapping = gmc_v10_0_emit_pasid_mapping,
570         .map_mtype = gmc_v10_0_map_mtype,
571         .get_vm_pde = gmc_v10_0_get_vm_pde,
572         .get_vm_pte = gmc_v10_0_get_vm_pte,
573         .get_vbios_fb_size = gmc_v10_0_get_vbios_fb_size,
574 };
575
576 static void gmc_v10_0_set_gmc_funcs(struct amdgpu_device *adev)
577 {
578         if (adev->gmc.gmc_funcs == NULL)
579                 adev->gmc.gmc_funcs = &gmc_v10_0_gmc_funcs;
580 }
581
582 static void gmc_v10_0_set_umc_funcs(struct amdgpu_device *adev)
583 {
584         switch (amdgpu_ip_version(adev, UMC_HWIP, 0)) {
585         case IP_VERSION(8, 7, 0):
586                 adev->umc.max_ras_err_cnt_per_query = UMC_V8_7_TOTAL_CHANNEL_NUM;
587                 adev->umc.channel_inst_num = UMC_V8_7_CHANNEL_INSTANCE_NUM;
588                 adev->umc.umc_inst_num = UMC_V8_7_UMC_INSTANCE_NUM;
589                 adev->umc.channel_offs = UMC_V8_7_PER_CHANNEL_OFFSET_SIENNA;
590                 adev->umc.retire_unit = 1;
591                 adev->umc.channel_idx_tbl = &umc_v8_7_channel_idx_tbl[0][0];
592                 adev->umc.ras = &umc_v8_7_ras;
593                 break;
594         default:
595                 break;
596         }
597 }
598
599 static void gmc_v10_0_set_mmhub_funcs(struct amdgpu_device *adev)
600 {
601         switch (amdgpu_ip_version(adev, MMHUB_HWIP, 0)) {
602         case IP_VERSION(2, 3, 0):
603         case IP_VERSION(2, 4, 0):
604         case IP_VERSION(2, 4, 1):
605                 adev->mmhub.funcs = &mmhub_v2_3_funcs;
606                 break;
607         default:
608                 adev->mmhub.funcs = &mmhub_v2_0_funcs;
609                 break;
610         }
611 }
612
613 static void gmc_v10_0_set_gfxhub_funcs(struct amdgpu_device *adev)
614 {
615         switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
616         case IP_VERSION(10, 3, 0):
617         case IP_VERSION(10, 3, 2):
618         case IP_VERSION(10, 3, 1):
619         case IP_VERSION(10, 3, 4):
620         case IP_VERSION(10, 3, 5):
621         case IP_VERSION(10, 3, 6):
622         case IP_VERSION(10, 3, 3):
623         case IP_VERSION(10, 3, 7):
624                 adev->gfxhub.funcs = &gfxhub_v2_1_funcs;
625                 break;
626         default:
627                 adev->gfxhub.funcs = &gfxhub_v2_0_funcs;
628                 break;
629         }
630 }
631
632
633 static int gmc_v10_0_early_init(void *handle)
634 {
635         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
636
637         gmc_v10_0_set_mmhub_funcs(adev);
638         gmc_v10_0_set_gfxhub_funcs(adev);
639         gmc_v10_0_set_gmc_funcs(adev);
640         gmc_v10_0_set_irq_funcs(adev);
641         gmc_v10_0_set_umc_funcs(adev);
642
643         adev->gmc.shared_aperture_start = 0x2000000000000000ULL;
644         adev->gmc.shared_aperture_end =
645                 adev->gmc.shared_aperture_start + (4ULL << 30) - 1;
646         adev->gmc.private_aperture_start = 0x1000000000000000ULL;
647         adev->gmc.private_aperture_end =
648                 adev->gmc.private_aperture_start + (4ULL << 30) - 1;
649         adev->gmc.noretry_flags = AMDGPU_VM_NORETRY_FLAGS_TF;
650
651         return 0;
652 }
653
654 static int gmc_v10_0_late_init(void *handle)
655 {
656         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
657         int r;
658
659         r = amdgpu_gmc_allocate_vm_inv_eng(adev);
660         if (r)
661                 return r;
662
663         r = amdgpu_gmc_ras_late_init(adev);
664         if (r)
665                 return r;
666
667         return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0);
668 }
669
670 static void gmc_v10_0_vram_gtt_location(struct amdgpu_device *adev,
671                                         struct amdgpu_gmc *mc)
672 {
673         u64 base = 0;
674
675         base = adev->gfxhub.funcs->get_fb_location(adev);
676
677         /* add the xgmi offset of the physical node */
678         base += adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size;
679
680         amdgpu_gmc_set_agp_default(adev, mc);
681         amdgpu_gmc_vram_location(adev, &adev->gmc, base);
682         amdgpu_gmc_gart_location(adev, mc, AMDGPU_GART_PLACEMENT_BEST_FIT);
683         if (!amdgpu_sriov_vf(adev) && (amdgpu_agp == 1))
684                 amdgpu_gmc_agp_location(adev, mc);
685
686         /* base offset of vram pages */
687         adev->vm_manager.vram_base_offset = adev->gfxhub.funcs->get_mc_fb_offset(adev);
688
689         /* add the xgmi offset of the physical node */
690         adev->vm_manager.vram_base_offset +=
691                 adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size;
692 }
693
694 /**
695  * gmc_v10_0_mc_init - initialize the memory controller driver params
696  *
697  * @adev: amdgpu_device pointer
698  *
699  * Look up the amount of vram, vram width, and decide how to place
700  * vram and gart within the GPU's physical address space.
701  * Returns 0 for success.
702  */
703 static int gmc_v10_0_mc_init(struct amdgpu_device *adev)
704 {
705         int r;
706
707         /* size in MB on si */
708         adev->gmc.mc_vram_size =
709                 adev->nbio.funcs->get_memsize(adev) * 1024ULL * 1024ULL;
710         adev->gmc.real_vram_size = adev->gmc.mc_vram_size;
711
712         if (!(adev->flags & AMD_IS_APU)) {
713                 r = amdgpu_device_resize_fb_bar(adev);
714                 if (r)
715                         return r;
716         }
717         adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
718         adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
719
720 #ifdef CONFIG_X86_64
721         if ((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) {
722                 adev->gmc.aper_base = adev->gfxhub.funcs->get_mc_fb_offset(adev);
723                 adev->gmc.aper_size = adev->gmc.real_vram_size;
724         }
725 #endif
726
727         adev->gmc.visible_vram_size = adev->gmc.aper_size;
728
729         /* set the gart size */
730         if (amdgpu_gart_size == -1) {
731                 switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
732                 default:
733                         adev->gmc.gart_size = 512ULL << 20;
734                         break;
735                 case IP_VERSION(10, 3, 1):   /* DCE SG support */
736                 case IP_VERSION(10, 3, 3):   /* DCE SG support */
737                 case IP_VERSION(10, 3, 6):   /* DCE SG support */
738                 case IP_VERSION(10, 3, 7):   /* DCE SG support */
739                         adev->gmc.gart_size = 1024ULL << 20;
740                         break;
741                 }
742         } else {
743                 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20;
744         }
745
746         gmc_v10_0_vram_gtt_location(adev, &adev->gmc);
747
748         return 0;
749 }
750
751 static int gmc_v10_0_gart_init(struct amdgpu_device *adev)
752 {
753         int r;
754
755         if (adev->gart.bo) {
756                 WARN(1, "NAVI10 PCIE GART already initialized\n");
757                 return 0;
758         }
759
760         /* Initialize common gart structure */
761         r = amdgpu_gart_init(adev);
762         if (r)
763                 return r;
764
765         adev->gart.table_size = adev->gart.num_gpu_pages * 8;
766         adev->gart.gart_pte_flags = AMDGPU_PTE_MTYPE_NV10(MTYPE_UC) |
767                                  AMDGPU_PTE_EXECUTABLE;
768
769         return amdgpu_gart_table_vram_alloc(adev);
770 }
771
772 static int gmc_v10_0_sw_init(void *handle)
773 {
774         int r, vram_width = 0, vram_type = 0, vram_vendor = 0;
775         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
776
777         adev->gfxhub.funcs->init(adev);
778
779         adev->mmhub.funcs->init(adev);
780
781         spin_lock_init(&adev->gmc.invalidate_lock);
782
783         if ((adev->flags & AMD_IS_APU) && amdgpu_emu_mode == 1) {
784                 adev->gmc.vram_type = AMDGPU_VRAM_TYPE_DDR4;
785                 adev->gmc.vram_width = 64;
786         } else if (amdgpu_emu_mode == 1) {
787                 adev->gmc.vram_type = AMDGPU_VRAM_TYPE_GDDR6;
788                 adev->gmc.vram_width = 1 * 128; /* numchan * chansize */
789         } else {
790                 r = amdgpu_atomfirmware_get_vram_info(adev,
791                                 &vram_width, &vram_type, &vram_vendor);
792                 adev->gmc.vram_width = vram_width;
793
794                 adev->gmc.vram_type = vram_type;
795                 adev->gmc.vram_vendor = vram_vendor;
796         }
797
798         switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
799         case IP_VERSION(10, 3, 0):
800                 adev->gmc.mall_size = 128 * 1024 * 1024;
801                 break;
802         case IP_VERSION(10, 3, 2):
803                 adev->gmc.mall_size = 96 * 1024 * 1024;
804                 break;
805         case IP_VERSION(10, 3, 4):
806                 adev->gmc.mall_size = 32 * 1024 * 1024;
807                 break;
808         case IP_VERSION(10, 3, 5):
809                 adev->gmc.mall_size = 16 * 1024 * 1024;
810                 break;
811         default:
812                 adev->gmc.mall_size = 0;
813                 break;
814         }
815
816         switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
817         case IP_VERSION(10, 1, 10):
818         case IP_VERSION(10, 1, 1):
819         case IP_VERSION(10, 1, 2):
820         case IP_VERSION(10, 1, 3):
821         case IP_VERSION(10, 1, 4):
822         case IP_VERSION(10, 3, 0):
823         case IP_VERSION(10, 3, 2):
824         case IP_VERSION(10, 3, 1):
825         case IP_VERSION(10, 3, 4):
826         case IP_VERSION(10, 3, 5):
827         case IP_VERSION(10, 3, 6):
828         case IP_VERSION(10, 3, 3):
829         case IP_VERSION(10, 3, 7):
830                 set_bit(AMDGPU_GFXHUB(0), adev->vmhubs_mask);
831                 set_bit(AMDGPU_MMHUB0(0), adev->vmhubs_mask);
832                 /*
833                  * To fulfill 4-level page support,
834                  * vm size is 256TB (48bit), maximum size of Navi10/Navi14/Navi12,
835                  * block size 512 (9bit)
836                  */
837                 amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
838                 break;
839         default:
840                 break;
841         }
842
843         /* This interrupt is VMC page fault.*/
844         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VMC,
845                               VMC_1_0__SRCID__VM_FAULT,
846                               &adev->gmc.vm_fault);
847
848         if (r)
849                 return r;
850
851         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_UTCL2,
852                               UTCL2_1_0__SRCID__FAULT,
853                               &adev->gmc.vm_fault);
854         if (r)
855                 return r;
856
857         if (!amdgpu_sriov_vf(adev)) {
858                 /* interrupt sent to DF. */
859                 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DF, 0,
860                                       &adev->gmc.ecc_irq);
861                 if (r)
862                         return r;
863         }
864
865         /*
866          * Set the internal MC address mask This is the max address of the GPU's
867          * internal address space.
868          */
869         adev->gmc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */
870
871         r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(44));
872         if (r) {
873                 dev_warn(adev->dev, "amdgpu: No suitable DMA available.\n");
874                 return r;
875         }
876
877         adev->need_swiotlb = drm_need_swiotlb(44);
878
879         r = gmc_v10_0_mc_init(adev);
880         if (r)
881                 return r;
882
883         amdgpu_gmc_get_vbios_allocations(adev);
884
885         /* Memory manager */
886         r = amdgpu_bo_init(adev);
887         if (r)
888                 return r;
889
890         r = gmc_v10_0_gart_init(adev);
891         if (r)
892                 return r;
893
894         /*
895          * number of VMs
896          * VMID 0 is reserved for System
897          * amdgpu graphics/compute will use VMIDs 1-7
898          * amdkfd will use VMIDs 8-15
899          */
900         adev->vm_manager.first_kfd_vmid = 8;
901
902         amdgpu_vm_manager_init(adev);
903
904         r = amdgpu_gmc_ras_sw_init(adev);
905         if (r)
906                 return r;
907
908         return 0;
909 }
910
911 /**
912  * gmc_v10_0_gart_fini - vm fini callback
913  *
914  * @adev: amdgpu_device pointer
915  *
916  * Tears down the driver GART/VM setup (CIK).
917  */
918 static void gmc_v10_0_gart_fini(struct amdgpu_device *adev)
919 {
920         amdgpu_gart_table_vram_free(adev);
921 }
922
923 static int gmc_v10_0_sw_fini(void *handle)
924 {
925         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
926
927         amdgpu_vm_manager_fini(adev);
928         gmc_v10_0_gart_fini(adev);
929         amdgpu_gem_force_release(adev);
930         amdgpu_bo_fini(adev);
931
932         return 0;
933 }
934
935 static void gmc_v10_0_init_golden_registers(struct amdgpu_device *adev)
936 {
937 }
938
939 /**
940  * gmc_v10_0_gart_enable - gart enable
941  *
942  * @adev: amdgpu_device pointer
943  */
944 static int gmc_v10_0_gart_enable(struct amdgpu_device *adev)
945 {
946         int r;
947         bool value;
948
949         if (adev->gart.bo == NULL) {
950                 dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
951                 return -EINVAL;
952         }
953
954         amdgpu_gtt_mgr_recover(&adev->mman.gtt_mgr);
955
956         if (!adev->in_s0ix) {
957                 r = adev->gfxhub.funcs->gart_enable(adev);
958                 if (r)
959                         return r;
960         }
961
962         r = adev->mmhub.funcs->gart_enable(adev);
963         if (r)
964                 return r;
965
966         adev->hdp.funcs->init_registers(adev);
967
968         /* Flush HDP after it is initialized */
969         adev->hdp.funcs->flush_hdp(adev, NULL);
970
971         value = (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) ?
972                 false : true;
973
974         if (!adev->in_s0ix)
975                 adev->gfxhub.funcs->set_fault_enable_default(adev, value);
976         adev->mmhub.funcs->set_fault_enable_default(adev, value);
977         gmc_v10_0_flush_gpu_tlb(adev, 0, AMDGPU_MMHUB0(0), 0);
978         if (!adev->in_s0ix)
979                 gmc_v10_0_flush_gpu_tlb(adev, 0, AMDGPU_GFXHUB(0), 0);
980
981         DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
982                  (unsigned int)(adev->gmc.gart_size >> 20),
983                  (unsigned long long)amdgpu_bo_gpu_offset(adev->gart.bo));
984
985         return 0;
986 }
987
988 static int gmc_v10_0_hw_init(void *handle)
989 {
990         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
991         int r;
992
993         adev->gmc.flush_pasid_uses_kiq = !amdgpu_emu_mode;
994
995         /* The sequence of these two function calls matters.*/
996         gmc_v10_0_init_golden_registers(adev);
997
998         /*
999          * harvestable groups in gc_utcl2 need to be programmed before any GFX block
1000          * register setup within GMC, or else system hang when harvesting SA.
1001          */
1002         if (!adev->in_s0ix && adev->gfxhub.funcs && adev->gfxhub.funcs->utcl2_harvest)
1003                 adev->gfxhub.funcs->utcl2_harvest(adev);
1004
1005         r = gmc_v10_0_gart_enable(adev);
1006         if (r)
1007                 return r;
1008
1009         if (amdgpu_emu_mode == 1) {
1010                 r = amdgpu_gmc_vram_checking(adev);
1011                 if (r)
1012                         return r;
1013         }
1014
1015         if (adev->umc.funcs && adev->umc.funcs->init_registers)
1016                 adev->umc.funcs->init_registers(adev);
1017
1018         return 0;
1019 }
1020
1021 /**
1022  * gmc_v10_0_gart_disable - gart disable
1023  *
1024  * @adev: amdgpu_device pointer
1025  *
1026  * This disables all VM page table.
1027  */
1028 static void gmc_v10_0_gart_disable(struct amdgpu_device *adev)
1029 {
1030         if (!adev->in_s0ix)
1031                 adev->gfxhub.funcs->gart_disable(adev);
1032         adev->mmhub.funcs->gart_disable(adev);
1033 }
1034
1035 static int gmc_v10_0_hw_fini(void *handle)
1036 {
1037         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1038
1039         gmc_v10_0_gart_disable(adev);
1040
1041         if (amdgpu_sriov_vf(adev)) {
1042                 /* full access mode, so don't touch any GMC register */
1043                 DRM_DEBUG("For SRIOV client, shouldn't do anything.\n");
1044                 return 0;
1045         }
1046
1047         amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
1048
1049         if (adev->gmc.ecc_irq.funcs &&
1050                 amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__UMC))
1051                 amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0);
1052
1053         return 0;
1054 }
1055
1056 static int gmc_v10_0_suspend(void *handle)
1057 {
1058         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1059
1060         gmc_v10_0_hw_fini(adev);
1061
1062         return 0;
1063 }
1064
1065 static int gmc_v10_0_resume(void *handle)
1066 {
1067         int r;
1068         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1069
1070         r = gmc_v10_0_hw_init(adev);
1071         if (r)
1072                 return r;
1073
1074         amdgpu_vmid_reset_all(adev);
1075
1076         return 0;
1077 }
1078
1079 static bool gmc_v10_0_is_idle(void *handle)
1080 {
1081         /* MC is always ready in GMC v10.*/
1082         return true;
1083 }
1084
1085 static int gmc_v10_0_wait_for_idle(void *handle)
1086 {
1087         /* There is no need to wait for MC idle in GMC v10.*/
1088         return 0;
1089 }
1090
1091 static int gmc_v10_0_soft_reset(void *handle)
1092 {
1093         return 0;
1094 }
1095
1096 static int gmc_v10_0_set_clockgating_state(void *handle,
1097                                            enum amd_clockgating_state state)
1098 {
1099         int r;
1100         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1101
1102         /*
1103          * The issue mmhub can't disconnect from DF with MMHUB clock gating being disabled
1104          * is a new problem observed at DF 3.0.3, however with the same suspend sequence not
1105          * seen any issue on the DF 3.0.2 series platform.
1106          */
1107         if (adev->in_s0ix &&
1108             amdgpu_ip_version(adev, DF_HWIP, 0) > IP_VERSION(3, 0, 2)) {
1109                 dev_dbg(adev->dev, "keep mmhub clock gating being enabled for s0ix\n");
1110                 return 0;
1111         }
1112
1113         r = adev->mmhub.funcs->set_clockgating(adev, state);
1114         if (r)
1115                 return r;
1116
1117         if (amdgpu_ip_version(adev, ATHUB_HWIP, 0) >= IP_VERSION(2, 1, 0))
1118                 return athub_v2_1_set_clockgating(adev, state);
1119         else
1120                 return athub_v2_0_set_clockgating(adev, state);
1121 }
1122
1123 static void gmc_v10_0_get_clockgating_state(void *handle, u64 *flags)
1124 {
1125         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1126
1127         if (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(10, 1, 3) ||
1128             amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(10, 1, 4))
1129                 return;
1130
1131         adev->mmhub.funcs->get_clockgating(adev, flags);
1132
1133         if (amdgpu_ip_version(adev, ATHUB_HWIP, 0) >= IP_VERSION(2, 1, 0))
1134                 athub_v2_1_get_clockgating(adev, flags);
1135         else
1136                 athub_v2_0_get_clockgating(adev, flags);
1137 }
1138
1139 static int gmc_v10_0_set_powergating_state(void *handle,
1140                                            enum amd_powergating_state state)
1141 {
1142         return 0;
1143 }
1144
1145 const struct amd_ip_funcs gmc_v10_0_ip_funcs = {
1146         .name = "gmc_v10_0",
1147         .early_init = gmc_v10_0_early_init,
1148         .late_init = gmc_v10_0_late_init,
1149         .sw_init = gmc_v10_0_sw_init,
1150         .sw_fini = gmc_v10_0_sw_fini,
1151         .hw_init = gmc_v10_0_hw_init,
1152         .hw_fini = gmc_v10_0_hw_fini,
1153         .suspend = gmc_v10_0_suspend,
1154         .resume = gmc_v10_0_resume,
1155         .is_idle = gmc_v10_0_is_idle,
1156         .wait_for_idle = gmc_v10_0_wait_for_idle,
1157         .soft_reset = gmc_v10_0_soft_reset,
1158         .set_clockgating_state = gmc_v10_0_set_clockgating_state,
1159         .set_powergating_state = gmc_v10_0_set_powergating_state,
1160         .get_clockgating_state = gmc_v10_0_get_clockgating_state,
1161 };
1162
1163 const struct amdgpu_ip_block_version gmc_v10_0_ip_block = {
1164         .type = AMD_IP_BLOCK_TYPE_GMC,
1165         .major = 10,
1166         .minor = 0,
1167         .rev = 0,
1168         .funcs = &gmc_v10_0_ip_funcs,
1169 };