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