2 * Copyright 2019 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
23 #include <linux/firmware.h>
24 #include <linux/pci.h>
26 #include <drm/drm_cache.h>
29 #include "amdgpu_atomfirmware.h"
30 #include "gmc_v10_0.h"
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"
43 #include "soc15_common.h"
45 #include "nbio_v2_3.h"
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"
54 #include "amdgpu_reset.h"
57 static const struct soc15_reg_golden golden_settings_navi10_hdp[] =
59 /* TODO add golden setting for hdp */
63 static int gmc_v10_0_ecc_interrupt_state(struct amdgpu_device *adev,
64 struct amdgpu_irq_src *src,
66 enum amdgpu_interrupt_state state)
72 gmc_v10_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
73 struct amdgpu_irq_src *src, unsigned type,
74 enum amdgpu_interrupt_state state)
77 case AMDGPU_IRQ_STATE_DISABLE:
79 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_MMHUB_0, false);
81 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_GFXHUB_0, false);
83 case AMDGPU_IRQ_STATE_ENABLE:
85 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_MMHUB_0, true);
87 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_GFXHUB_0, true);
96 static int gmc_v10_0_process_interrupt(struct amdgpu_device *adev,
97 struct amdgpu_irq_src *source,
98 struct amdgpu_iv_entry *entry)
100 bool retry_fault = !!(entry->src_data[1] & 0x80);
101 bool write_fault = !!(entry->src_data[1] & 0x20);
102 struct amdgpu_vmhub *hub = &adev->vmhub[entry->vmid_src];
103 struct amdgpu_task_info task_info;
107 addr = (u64)entry->src_data[0] << 12;
108 addr |= ((u64)entry->src_data[1] & 0xf) << 44;
111 /* Returning 1 here also prevents sending the IV to the KFD */
113 /* Process it onyl if it's the first fault for this address */
114 if (entry->ih != &adev->irq.ih_soft &&
115 amdgpu_gmc_filter_faults(adev, entry->ih, addr, entry->pasid,
119 /* Delegate it to a different ring if the hardware hasn't
122 if (entry->ih == &adev->irq.ih) {
123 amdgpu_irq_delegate(adev, entry, 8);
127 /* Try to handle the recoverable page faults by filling page
130 if (amdgpu_vm_handle_fault(adev, entry->pasid, addr, write_fault))
134 if (!amdgpu_sriov_vf(adev)) {
136 * Issue a dummy read to wait for the status register to
137 * be updated to avoid reading an incorrect value due to
138 * the new fast GRBM interface.
140 if ((entry->vmid_src == AMDGPU_GFXHUB_0) &&
141 (adev->ip_versions[GC_HWIP][0] < IP_VERSION(10, 3, 0)))
142 RREG32(hub->vm_l2_pro_fault_status);
144 status = RREG32(hub->vm_l2_pro_fault_status);
145 WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1);
148 if (!printk_ratelimit())
151 memset(&task_info, 0, sizeof(struct amdgpu_task_info));
152 amdgpu_vm_get_task_info(adev, entry->pasid, &task_info);
155 "[%s] page fault (src_id:%u ring:%u vmid:%u pasid:%u, "
156 "for process %s pid %d thread %s pid %d)\n",
157 entry->vmid_src ? "mmhub" : "gfxhub",
158 entry->src_id, entry->ring_id, entry->vmid,
159 entry->pasid, task_info.process_name, task_info.tgid,
160 task_info.task_name, task_info.pid);
161 dev_err(adev->dev, " in page starting at address 0x%016llx from client 0x%x (%s)\n",
162 addr, entry->client_id,
163 soc15_ih_clientid_name[entry->client_id]);
165 if (!amdgpu_sriov_vf(adev))
166 hub->vmhub_funcs->print_l2_protection_fault_status(adev,
172 static const struct amdgpu_irq_src_funcs gmc_v10_0_irq_funcs = {
173 .set = gmc_v10_0_vm_fault_interrupt_state,
174 .process = gmc_v10_0_process_interrupt,
177 static const struct amdgpu_irq_src_funcs gmc_v10_0_ecc_funcs = {
178 .set = gmc_v10_0_ecc_interrupt_state,
179 .process = amdgpu_umc_process_ecc_irq,
182 static void gmc_v10_0_set_irq_funcs(struct amdgpu_device *adev)
184 adev->gmc.vm_fault.num_types = 1;
185 adev->gmc.vm_fault.funcs = &gmc_v10_0_irq_funcs;
187 if (!amdgpu_sriov_vf(adev)) {
188 adev->gmc.ecc_irq.num_types = 1;
189 adev->gmc.ecc_irq.funcs = &gmc_v10_0_ecc_funcs;
194 * gmc_v10_0_use_invalidate_semaphore - judge whether to use semaphore
196 * @adev: amdgpu_device pointer
200 static bool gmc_v10_0_use_invalidate_semaphore(struct amdgpu_device *adev,
203 return ((vmhub == AMDGPU_MMHUB_0 ||
204 vmhub == AMDGPU_MMHUB_1) &&
205 (!amdgpu_sriov_vf(adev)));
208 static bool gmc_v10_0_get_atc_vmid_pasid_mapping_info(
209 struct amdgpu_device *adev,
210 uint8_t vmid, uint16_t *p_pasid)
214 value = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING)
216 *p_pasid = value & ATC_VMID0_PASID_MAPPING__PASID_MASK;
218 return !!(value & ATC_VMID0_PASID_MAPPING__VALID_MASK);
223 * VMID 0 is the physical GPU addresses as used by the kernel.
224 * VMIDs 1-15 are used for userspace clients and are handled
225 * by the amdgpu vm/hsa code.
228 static void gmc_v10_0_flush_vm_hub(struct amdgpu_device *adev, uint32_t vmid,
229 unsigned int vmhub, uint32_t flush_type)
231 bool use_semaphore = gmc_v10_0_use_invalidate_semaphore(adev, vmhub);
232 struct amdgpu_vmhub *hub = &adev->vmhub[vmhub];
233 u32 inv_req = hub->vmhub_funcs->get_invalidate_req(vmid, flush_type);
235 /* Use register 17 for GART */
236 const unsigned eng = 17;
238 unsigned char hub_ip = 0;
240 hub_ip = (vmhub == AMDGPU_GFXHUB_0) ?
241 GC_HWIP : MMHUB_HWIP;
243 spin_lock(&adev->gmc.invalidate_lock);
245 * It may lose gpuvm invalidate acknowldege state across power-gating
246 * off cycle, add semaphore acquire before invalidation and semaphore
247 * release after invalidation to avoid entering power gated state
251 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
253 for (i = 0; i < adev->usec_timeout; i++) {
254 /* a read return value of 1 means semaphore acuqire */
255 tmp = RREG32_RLC_NO_KIQ(hub->vm_inv_eng0_sem +
256 hub->eng_distance * eng, hub_ip);
263 if (i >= adev->usec_timeout)
264 DRM_ERROR("Timeout waiting for sem acquire in VM flush!\n");
267 WREG32_RLC_NO_KIQ(hub->vm_inv_eng0_req +
268 hub->eng_distance * eng,
272 * Issue a dummy read to wait for the ACK register to be cleared
273 * to avoid a false ACK due to the new fast GRBM interface.
275 if ((vmhub == AMDGPU_GFXHUB_0) &&
276 (adev->ip_versions[GC_HWIP][0] < IP_VERSION(10, 3, 0)))
277 RREG32_RLC_NO_KIQ(hub->vm_inv_eng0_req +
278 hub->eng_distance * eng, hub_ip);
280 /* Wait for ACK with a delay.*/
281 for (i = 0; i < adev->usec_timeout; i++) {
282 tmp = RREG32_RLC_NO_KIQ(hub->vm_inv_eng0_ack +
283 hub->eng_distance * eng, hub_ip);
292 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
295 * add semaphore release after invalidation,
296 * write with 0 means semaphore release
298 WREG32_RLC_NO_KIQ(hub->vm_inv_eng0_sem +
299 hub->eng_distance * eng, 0, hub_ip);
301 spin_unlock(&adev->gmc.invalidate_lock);
303 if (i < adev->usec_timeout)
306 DRM_ERROR("Timeout waiting for VM flush hub: %d!\n", vmhub);
310 * gmc_v10_0_flush_gpu_tlb - gart tlb flush callback
312 * @adev: amdgpu_device pointer
313 * @vmid: vm instance to flush
315 * @flush_type: the flush type
317 * Flush the TLB for the requested page table.
319 static void gmc_v10_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
320 uint32_t vmhub, uint32_t flush_type)
322 struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
323 struct dma_fence *fence;
324 struct amdgpu_job *job;
328 /* flush hdp cache */
329 adev->hdp.funcs->flush_hdp(adev, NULL);
331 /* For SRIOV run time, driver shouldn't access the register through MMIO
332 * Directly use kiq to do the vm invalidation instead
334 if (adev->gfx.kiq.ring.sched.ready && !adev->enable_mes &&
335 (amdgpu_sriov_runtime(adev) || !amdgpu_sriov_vf(adev)) &&
336 down_read_trylock(&adev->reset_domain->sem)) {
337 struct amdgpu_vmhub *hub = &adev->vmhub[vmhub];
338 const unsigned eng = 17;
339 u32 inv_req = hub->vmhub_funcs->get_invalidate_req(vmid, flush_type);
340 u32 req = hub->vm_inv_eng0_req + hub->eng_distance * eng;
341 u32 ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng;
343 amdgpu_virt_kiq_reg_write_reg_wait(adev, req, ack, inv_req,
346 up_read(&adev->reset_domain->sem);
350 mutex_lock(&adev->mman.gtt_window_lock);
352 if (vmhub == AMDGPU_MMHUB_0) {
353 gmc_v10_0_flush_vm_hub(adev, vmid, AMDGPU_MMHUB_0, 0);
354 mutex_unlock(&adev->mman.gtt_window_lock);
358 BUG_ON(vmhub != AMDGPU_GFXHUB_0);
360 if (!adev->mman.buffer_funcs_enabled ||
361 !adev->ib_pool_ready ||
362 amdgpu_in_reset(adev) ||
363 ring->sched.ready == false) {
364 gmc_v10_0_flush_vm_hub(adev, vmid, AMDGPU_GFXHUB_0, 0);
365 mutex_unlock(&adev->mman.gtt_window_lock);
369 /* The SDMA on Navi has a bug which can theoretically result in memory
370 * corruption if an invalidation happens at the same time as an VA
371 * translation. Avoid this by doing the invalidation from the SDMA
374 r = amdgpu_job_alloc_with_ib(adev, 16 * 4, AMDGPU_IB_POOL_IMMEDIATE,
379 job->vm_pd_addr = amdgpu_gmc_pd_addr(adev->gart.bo);
380 job->vm_needs_flush = true;
381 job->ibs->ptr[job->ibs->length_dw++] = ring->funcs->nop;
382 amdgpu_ring_pad_ib(ring, &job->ibs[0]);
383 r = amdgpu_job_submit(job, &adev->mman.entity,
384 AMDGPU_FENCE_OWNER_UNDEFINED, &fence);
388 mutex_unlock(&adev->mman.gtt_window_lock);
390 dma_fence_wait(fence, false);
391 dma_fence_put(fence);
396 amdgpu_job_free(job);
399 mutex_unlock(&adev->mman.gtt_window_lock);
400 DRM_ERROR("Error flushing GPU TLB using the SDMA (%d)!\n", r);
404 * gmc_v10_0_flush_gpu_tlb_pasid - tlb flush via pasid
406 * @adev: amdgpu_device pointer
407 * @pasid: pasid to be flush
408 * @flush_type: the flush type
409 * @all_hub: Used with PACKET3_INVALIDATE_TLBS_ALL_HUB()
411 * Flush the TLB for the requested pasid.
413 static int gmc_v10_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
414 uint16_t pasid, uint32_t flush_type,
420 uint16_t queried_pasid;
422 struct amdgpu_ring *ring = &adev->gfx.kiq.ring;
423 struct amdgpu_kiq *kiq = &adev->gfx.kiq;
425 if (amdgpu_emu_mode == 0 && ring->sched.ready) {
426 spin_lock(&adev->gfx.kiq.ring_lock);
427 /* 2 dwords flush + 8 dwords fence */
428 amdgpu_ring_alloc(ring, kiq->pmf->invalidate_tlbs_size + 8);
429 kiq->pmf->kiq_invalidate_tlbs(ring,
430 pasid, flush_type, all_hub);
431 r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
433 amdgpu_ring_undo(ring);
434 spin_unlock(&adev->gfx.kiq.ring_lock);
438 amdgpu_ring_commit(ring);
439 spin_unlock(&adev->gfx.kiq.ring_lock);
440 r = amdgpu_fence_wait_polling(ring, seq, adev->usec_timeout);
442 dev_err(adev->dev, "wait for kiq fence error: %ld.\n", r);
449 for (vmid = 1; vmid < AMDGPU_NUM_VMID; vmid++) {
451 ret = gmc_v10_0_get_atc_vmid_pasid_mapping_info(adev, vmid,
453 if (ret && queried_pasid == pasid) {
455 for (i = 0; i < adev->num_vmhubs; i++)
456 gmc_v10_0_flush_gpu_tlb(adev, vmid,
459 gmc_v10_0_flush_gpu_tlb(adev, vmid,
460 AMDGPU_GFXHUB_0, flush_type);
462 if (!adev->enable_mes)
470 static uint64_t gmc_v10_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
471 unsigned vmid, uint64_t pd_addr)
473 bool use_semaphore = gmc_v10_0_use_invalidate_semaphore(ring->adev, ring->funcs->vmhub);
474 struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
475 uint32_t req = hub->vmhub_funcs->get_invalidate_req(vmid, 0);
476 unsigned eng = ring->vm_inv_eng;
479 * It may lose gpuvm invalidate acknowldege state across power-gating
480 * off cycle, add semaphore acquire before invalidation and semaphore
481 * release after invalidation to avoid entering power gated state
485 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
487 /* a read return value of 1 means semaphore acuqire */
488 amdgpu_ring_emit_reg_wait(ring,
489 hub->vm_inv_eng0_sem +
490 hub->eng_distance * eng, 0x1, 0x1);
492 amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_lo32 +
493 (hub->ctx_addr_distance * vmid),
494 lower_32_bits(pd_addr));
496 amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 +
497 (hub->ctx_addr_distance * vmid),
498 upper_32_bits(pd_addr));
500 amdgpu_ring_emit_reg_write_reg_wait(ring, hub->vm_inv_eng0_req +
501 hub->eng_distance * eng,
502 hub->vm_inv_eng0_ack +
503 hub->eng_distance * eng,
506 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
509 * add semaphore release after invalidation,
510 * write with 0 means semaphore release
512 amdgpu_ring_emit_wreg(ring, hub->vm_inv_eng0_sem +
513 hub->eng_distance * eng, 0);
518 static void gmc_v10_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid,
521 struct amdgpu_device *adev = ring->adev;
524 /* MES fw manages IH_VMID_x_LUT updating */
525 if (ring->is_mes_queue)
528 if (ring->funcs->vmhub == AMDGPU_GFXHUB_0)
529 reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT) + vmid;
531 reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT_MM) + vmid;
533 amdgpu_ring_emit_wreg(ring, reg, pasid);
537 * PTE format on NAVI 10:
539 * 58 reserved and for sienna_cichlid is used for MALL noalloc
547 * 47:12 4k physical page base address
557 * PDE format on NAVI 10:
558 * 63:59 block fragment size
562 * 47:6 physical base address of PD or PTE
569 static uint64_t gmc_v10_0_map_mtype(struct amdgpu_device *adev, uint32_t flags)
572 case AMDGPU_VM_MTYPE_DEFAULT:
573 return AMDGPU_PTE_MTYPE_NV10(MTYPE_NC);
574 case AMDGPU_VM_MTYPE_NC:
575 return AMDGPU_PTE_MTYPE_NV10(MTYPE_NC);
576 case AMDGPU_VM_MTYPE_WC:
577 return AMDGPU_PTE_MTYPE_NV10(MTYPE_WC);
578 case AMDGPU_VM_MTYPE_CC:
579 return AMDGPU_PTE_MTYPE_NV10(MTYPE_CC);
580 case AMDGPU_VM_MTYPE_UC:
581 return AMDGPU_PTE_MTYPE_NV10(MTYPE_UC);
583 return AMDGPU_PTE_MTYPE_NV10(MTYPE_NC);
587 static void gmc_v10_0_get_vm_pde(struct amdgpu_device *adev, int level,
588 uint64_t *addr, uint64_t *flags)
590 if (!(*flags & AMDGPU_PDE_PTE) && !(*flags & AMDGPU_PTE_SYSTEM))
591 *addr = amdgpu_gmc_vram_mc2pa(adev, *addr);
592 BUG_ON(*addr & 0xFFFF00000000003FULL);
594 if (!adev->gmc.translate_further)
597 if (level == AMDGPU_VM_PDB1) {
598 /* Set the block fragment size */
599 if (!(*flags & AMDGPU_PDE_PTE))
600 *flags |= AMDGPU_PDE_BFS(0x9);
602 } else if (level == AMDGPU_VM_PDB0) {
603 if (*flags & AMDGPU_PDE_PTE)
604 *flags &= ~AMDGPU_PDE_PTE;
606 *flags |= AMDGPU_PTE_TF;
610 static void gmc_v10_0_get_vm_pte(struct amdgpu_device *adev,
611 struct amdgpu_bo_va_mapping *mapping,
614 *flags &= ~AMDGPU_PTE_EXECUTABLE;
615 *flags |= mapping->flags & AMDGPU_PTE_EXECUTABLE;
617 *flags &= ~AMDGPU_PTE_MTYPE_NV10_MASK;
618 *flags |= (mapping->flags & AMDGPU_PTE_MTYPE_NV10_MASK);
620 *flags &= ~AMDGPU_PTE_NOALLOC;
621 *flags |= (mapping->flags & AMDGPU_PTE_NOALLOC);
623 if (mapping->flags & AMDGPU_PTE_PRT) {
624 *flags |= AMDGPU_PTE_PRT;
625 *flags |= AMDGPU_PTE_SNOOPED;
626 *flags |= AMDGPU_PTE_LOG;
627 *flags |= AMDGPU_PTE_SYSTEM;
628 *flags &= ~AMDGPU_PTE_VALID;
632 static unsigned gmc_v10_0_get_vbios_fb_size(struct amdgpu_device *adev)
634 u32 d1vga_control = RREG32_SOC15(DCE, 0, mmD1VGA_CONTROL);
637 if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) {
638 size = AMDGPU_VBIOS_VGA_ALLOCATION;
643 viewport = RREG32_SOC15(DCE, 0, mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION);
644 pitch = RREG32_SOC15(DCE, 0, mmHUBPREQ0_DCSURF_SURFACE_PITCH);
645 size = (REG_GET_FIELD(viewport,
646 HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) *
647 REG_GET_FIELD(pitch, HUBPREQ0_DCSURF_SURFACE_PITCH, PITCH) *
654 static const struct amdgpu_gmc_funcs gmc_v10_0_gmc_funcs = {
655 .flush_gpu_tlb = gmc_v10_0_flush_gpu_tlb,
656 .flush_gpu_tlb_pasid = gmc_v10_0_flush_gpu_tlb_pasid,
657 .emit_flush_gpu_tlb = gmc_v10_0_emit_flush_gpu_tlb,
658 .emit_pasid_mapping = gmc_v10_0_emit_pasid_mapping,
659 .map_mtype = gmc_v10_0_map_mtype,
660 .get_vm_pde = gmc_v10_0_get_vm_pde,
661 .get_vm_pte = gmc_v10_0_get_vm_pte,
662 .get_vbios_fb_size = gmc_v10_0_get_vbios_fb_size,
665 static void gmc_v10_0_set_gmc_funcs(struct amdgpu_device *adev)
667 if (adev->gmc.gmc_funcs == NULL)
668 adev->gmc.gmc_funcs = &gmc_v10_0_gmc_funcs;
671 static void gmc_v10_0_set_umc_funcs(struct amdgpu_device *adev)
673 switch (adev->ip_versions[UMC_HWIP][0]) {
674 case IP_VERSION(8, 7, 0):
675 adev->umc.max_ras_err_cnt_per_query = UMC_V8_7_TOTAL_CHANNEL_NUM;
676 adev->umc.channel_inst_num = UMC_V8_7_CHANNEL_INSTANCE_NUM;
677 adev->umc.umc_inst_num = UMC_V8_7_UMC_INSTANCE_NUM;
678 adev->umc.channel_offs = UMC_V8_7_PER_CHANNEL_OFFSET_SIENNA;
679 adev->umc.channel_idx_tbl = &umc_v8_7_channel_idx_tbl[0][0];
680 adev->umc.ras = &umc_v8_7_ras;
686 amdgpu_ras_register_ras_block(adev, &adev->umc.ras->ras_block);
688 strcpy(adev->umc.ras->ras_block.ras_comm.name, "umc");
689 adev->umc.ras->ras_block.ras_comm.block = AMDGPU_RAS_BLOCK__UMC;
690 adev->umc.ras->ras_block.ras_comm.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
691 adev->umc.ras_if = &adev->umc.ras->ras_block.ras_comm;
693 /* If don't define special ras_late_init function, use default ras_late_init */
694 if (!adev->umc.ras->ras_block.ras_late_init)
695 adev->umc.ras->ras_block.ras_late_init = amdgpu_umc_ras_late_init;
697 /* If not defined special ras_cb function, use default ras_cb */
698 if (!adev->umc.ras->ras_block.ras_cb)
699 adev->umc.ras->ras_block.ras_cb = amdgpu_umc_process_ras_data_cb;
704 static void gmc_v10_0_set_mmhub_funcs(struct amdgpu_device *adev)
706 switch (adev->ip_versions[MMHUB_HWIP][0]) {
707 case IP_VERSION(2, 3, 0):
708 case IP_VERSION(2, 4, 0):
709 case IP_VERSION(2, 4, 1):
710 adev->mmhub.funcs = &mmhub_v2_3_funcs;
713 adev->mmhub.funcs = &mmhub_v2_0_funcs;
718 static void gmc_v10_0_set_gfxhub_funcs(struct amdgpu_device *adev)
720 switch (adev->ip_versions[GC_HWIP][0]) {
721 case IP_VERSION(10, 3, 0):
722 case IP_VERSION(10, 3, 2):
723 case IP_VERSION(10, 3, 1):
724 case IP_VERSION(10, 3, 4):
725 case IP_VERSION(10, 3, 5):
726 case IP_VERSION(10, 3, 6):
727 case IP_VERSION(10, 3, 3):
728 case IP_VERSION(10, 3, 7):
729 adev->gfxhub.funcs = &gfxhub_v2_1_funcs;
732 adev->gfxhub.funcs = &gfxhub_v2_0_funcs;
738 static int gmc_v10_0_early_init(void *handle)
741 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
743 gmc_v10_0_set_mmhub_funcs(adev);
744 gmc_v10_0_set_gfxhub_funcs(adev);
745 gmc_v10_0_set_gmc_funcs(adev);
746 gmc_v10_0_set_irq_funcs(adev);
747 gmc_v10_0_set_umc_funcs(adev);
749 adev->gmc.shared_aperture_start = 0x2000000000000000ULL;
750 adev->gmc.shared_aperture_end =
751 adev->gmc.shared_aperture_start + (4ULL << 30) - 1;
752 adev->gmc.private_aperture_start = 0x1000000000000000ULL;
753 adev->gmc.private_aperture_end =
754 adev->gmc.private_aperture_start + (4ULL << 30) - 1;
756 r = amdgpu_gmc_ras_early_init(adev);
763 static int gmc_v10_0_late_init(void *handle)
765 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
768 r = amdgpu_gmc_allocate_vm_inv_eng(adev);
772 r = amdgpu_gmc_ras_late_init(adev);
776 return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0);
779 static void gmc_v10_0_vram_gtt_location(struct amdgpu_device *adev,
780 struct amdgpu_gmc *mc)
784 base = adev->gfxhub.funcs->get_fb_location(adev);
786 /* add the xgmi offset of the physical node */
787 base += adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size;
789 amdgpu_gmc_vram_location(adev, &adev->gmc, base);
790 amdgpu_gmc_gart_location(adev, mc);
791 amdgpu_gmc_agp_location(adev, mc);
793 /* base offset of vram pages */
794 adev->vm_manager.vram_base_offset = adev->gfxhub.funcs->get_mc_fb_offset(adev);
796 /* add the xgmi offset of the physical node */
797 adev->vm_manager.vram_base_offset +=
798 adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size;
802 * gmc_v10_0_mc_init - initialize the memory controller driver params
804 * @adev: amdgpu_device pointer
806 * Look up the amount of vram, vram width, and decide how to place
807 * vram and gart within the GPU's physical address space.
808 * Returns 0 for success.
810 static int gmc_v10_0_mc_init(struct amdgpu_device *adev)
814 /* size in MB on si */
815 adev->gmc.mc_vram_size =
816 adev->nbio.funcs->get_memsize(adev) * 1024ULL * 1024ULL;
817 adev->gmc.real_vram_size = adev->gmc.mc_vram_size;
819 if (!(adev->flags & AMD_IS_APU)) {
820 r = amdgpu_device_resize_fb_bar(adev);
824 adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
825 adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
828 if ((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) {
829 adev->gmc.aper_base = adev->gfxhub.funcs->get_mc_fb_offset(adev);
830 adev->gmc.aper_size = adev->gmc.real_vram_size;
834 /* In case the PCI BAR is larger than the actual amount of vram */
835 adev->gmc.visible_vram_size = adev->gmc.aper_size;
836 if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size)
837 adev->gmc.visible_vram_size = adev->gmc.real_vram_size;
839 /* set the gart size */
840 if (amdgpu_gart_size == -1) {
841 switch (adev->ip_versions[GC_HWIP][0]) {
843 adev->gmc.gart_size = 512ULL << 20;
845 case IP_VERSION(10, 3, 1): /* DCE SG support */
846 case IP_VERSION(10, 3, 3): /* DCE SG support */
847 case IP_VERSION(10, 3, 6): /* DCE SG support */
848 case IP_VERSION(10, 3, 7): /* DCE SG support */
849 adev->gmc.gart_size = 1024ULL << 20;
853 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20;
856 gmc_v10_0_vram_gtt_location(adev, &adev->gmc);
861 static int gmc_v10_0_gart_init(struct amdgpu_device *adev)
866 WARN(1, "NAVI10 PCIE GART already initialized\n");
870 /* Initialize common gart structure */
871 r = amdgpu_gart_init(adev);
875 adev->gart.table_size = adev->gart.num_gpu_pages * 8;
876 adev->gart.gart_pte_flags = AMDGPU_PTE_MTYPE_NV10(MTYPE_UC) |
877 AMDGPU_PTE_EXECUTABLE;
879 return amdgpu_gart_table_vram_alloc(adev);
882 static int gmc_v10_0_sw_init(void *handle)
884 int r, vram_width = 0, vram_type = 0, vram_vendor = 0;
885 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
887 adev->gfxhub.funcs->init(adev);
889 adev->mmhub.funcs->init(adev);
891 spin_lock_init(&adev->gmc.invalidate_lock);
893 if ((adev->flags & AMD_IS_APU) && amdgpu_emu_mode == 1) {
894 adev->gmc.vram_type = AMDGPU_VRAM_TYPE_DDR4;
895 adev->gmc.vram_width = 64;
896 } else if (amdgpu_emu_mode == 1) {
897 adev->gmc.vram_type = AMDGPU_VRAM_TYPE_GDDR6;
898 adev->gmc.vram_width = 1 * 128; /* numchan * chansize */
900 r = amdgpu_atomfirmware_get_vram_info(adev,
901 &vram_width, &vram_type, &vram_vendor);
902 adev->gmc.vram_width = vram_width;
904 adev->gmc.vram_type = vram_type;
905 adev->gmc.vram_vendor = vram_vendor;
908 switch (adev->ip_versions[GC_HWIP][0]) {
909 case IP_VERSION(10, 3, 0):
910 adev->gmc.mall_size = 128 * 1024 * 1024;
912 case IP_VERSION(10, 3, 2):
913 adev->gmc.mall_size = 96 * 1024 * 1024;
915 case IP_VERSION(10, 3, 4):
916 adev->gmc.mall_size = 32 * 1024 * 1024;
918 case IP_VERSION(10, 3, 5):
919 adev->gmc.mall_size = 16 * 1024 * 1024;
922 adev->gmc.mall_size = 0;
926 switch (adev->ip_versions[GC_HWIP][0]) {
927 case IP_VERSION(10, 1, 10):
928 case IP_VERSION(10, 1, 1):
929 case IP_VERSION(10, 1, 2):
930 case IP_VERSION(10, 1, 3):
931 case IP_VERSION(10, 1, 4):
932 case IP_VERSION(10, 3, 0):
933 case IP_VERSION(10, 3, 2):
934 case IP_VERSION(10, 3, 1):
935 case IP_VERSION(10, 3, 4):
936 case IP_VERSION(10, 3, 5):
937 case IP_VERSION(10, 3, 6):
938 case IP_VERSION(10, 3, 3):
939 case IP_VERSION(10, 3, 7):
940 adev->num_vmhubs = 2;
942 * To fulfill 4-level page support,
943 * vm size is 256TB (48bit), maximum size of Navi10/Navi14/Navi12,
944 * block size 512 (9bit)
946 amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
952 /* This interrupt is VMC page fault.*/
953 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VMC,
954 VMC_1_0__SRCID__VM_FAULT,
955 &adev->gmc.vm_fault);
960 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_UTCL2,
961 UTCL2_1_0__SRCID__FAULT,
962 &adev->gmc.vm_fault);
966 if (!amdgpu_sriov_vf(adev)) {
967 /* interrupt sent to DF. */
968 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DF, 0,
975 * Set the internal MC address mask This is the max address of the GPU's
976 * internal address space.
978 adev->gmc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */
980 r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(44));
982 printk(KERN_WARNING "amdgpu: No suitable DMA available.\n");
986 adev->need_swiotlb = drm_need_swiotlb(44);
988 r = gmc_v10_0_mc_init(adev);
992 amdgpu_gmc_get_vbios_allocations(adev);
995 r = amdgpu_bo_init(adev);
999 r = gmc_v10_0_gart_init(adev);
1005 * VMID 0 is reserved for System
1006 * amdgpu graphics/compute will use VMIDs 1-7
1007 * amdkfd will use VMIDs 8-15
1009 adev->vm_manager.first_kfd_vmid = 8;
1011 amdgpu_vm_manager_init(adev);
1017 * gmc_v10_0_gart_fini - vm fini callback
1019 * @adev: amdgpu_device pointer
1021 * Tears down the driver GART/VM setup (CIK).
1023 static void gmc_v10_0_gart_fini(struct amdgpu_device *adev)
1025 amdgpu_gart_table_vram_free(adev);
1028 static int gmc_v10_0_sw_fini(void *handle)
1030 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1032 amdgpu_vm_manager_fini(adev);
1033 gmc_v10_0_gart_fini(adev);
1034 amdgpu_gem_force_release(adev);
1035 amdgpu_bo_fini(adev);
1040 static void gmc_v10_0_init_golden_registers(struct amdgpu_device *adev)
1045 * gmc_v10_0_gart_enable - gart enable
1047 * @adev: amdgpu_device pointer
1049 static int gmc_v10_0_gart_enable(struct amdgpu_device *adev)
1054 if (adev->gart.bo == NULL) {
1055 dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
1059 amdgpu_gtt_mgr_recover(&adev->mman.gtt_mgr);
1060 r = adev->gfxhub.funcs->gart_enable(adev);
1064 r = adev->mmhub.funcs->gart_enable(adev);
1068 adev->hdp.funcs->init_registers(adev);
1070 /* Flush HDP after it is initialized */
1071 adev->hdp.funcs->flush_hdp(adev, NULL);
1073 value = (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) ?
1076 adev->gfxhub.funcs->set_fault_enable_default(adev, value);
1077 adev->mmhub.funcs->set_fault_enable_default(adev, value);
1078 gmc_v10_0_flush_gpu_tlb(adev, 0, AMDGPU_MMHUB_0, 0);
1079 gmc_v10_0_flush_gpu_tlb(adev, 0, AMDGPU_GFXHUB_0, 0);
1081 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1082 (unsigned)(adev->gmc.gart_size >> 20),
1083 (unsigned long long)amdgpu_bo_gpu_offset(adev->gart.bo));
1088 static int gmc_v10_0_hw_init(void *handle)
1091 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1093 /* The sequence of these two function calls matters.*/
1094 gmc_v10_0_init_golden_registers(adev);
1097 * harvestable groups in gc_utcl2 need to be programmed before any GFX block
1098 * register setup within GMC, or else system hang when harvesting SA.
1100 if (adev->gfxhub.funcs && adev->gfxhub.funcs->utcl2_harvest)
1101 adev->gfxhub.funcs->utcl2_harvest(adev);
1103 r = gmc_v10_0_gart_enable(adev);
1107 if (amdgpu_emu_mode == 1) {
1108 r = amdgpu_gmc_vram_checking(adev);
1113 if (adev->umc.funcs && adev->umc.funcs->init_registers)
1114 adev->umc.funcs->init_registers(adev);
1120 * gmc_v10_0_gart_disable - gart disable
1122 * @adev: amdgpu_device pointer
1124 * This disables all VM page table.
1126 static void gmc_v10_0_gart_disable(struct amdgpu_device *adev)
1128 adev->gfxhub.funcs->gart_disable(adev);
1129 adev->mmhub.funcs->gart_disable(adev);
1132 static int gmc_v10_0_hw_fini(void *handle)
1134 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1136 gmc_v10_0_gart_disable(adev);
1138 if (amdgpu_sriov_vf(adev)) {
1139 /* full access mode, so don't touch any GMC register */
1140 DRM_DEBUG("For SRIOV client, shouldn't do anything.\n");
1144 amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0);
1145 amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
1150 static int gmc_v10_0_suspend(void *handle)
1152 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1154 gmc_v10_0_hw_fini(adev);
1159 static int gmc_v10_0_resume(void *handle)
1162 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1164 r = gmc_v10_0_hw_init(adev);
1168 amdgpu_vmid_reset_all(adev);
1173 static bool gmc_v10_0_is_idle(void *handle)
1175 /* MC is always ready in GMC v10.*/
1179 static int gmc_v10_0_wait_for_idle(void *handle)
1181 /* There is no need to wait for MC idle in GMC v10.*/
1185 static int gmc_v10_0_soft_reset(void *handle)
1190 static int gmc_v10_0_set_clockgating_state(void *handle,
1191 enum amd_clockgating_state state)
1194 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1197 * The issue mmhub can't disconnect from DF with MMHUB clock gating being disabled
1198 * is a new problem observed at DF 3.0.3, however with the same suspend sequence not
1199 * seen any issue on the DF 3.0.2 series platform.
1201 if (adev->in_s0ix && adev->ip_versions[DF_HWIP][0] > IP_VERSION(3, 0, 2)) {
1202 dev_dbg(adev->dev, "keep mmhub clock gating being enabled for s0ix\n");
1206 r = adev->mmhub.funcs->set_clockgating(adev, state);
1210 if (adev->ip_versions[ATHUB_HWIP][0] >= IP_VERSION(2, 1, 0))
1211 return athub_v2_1_set_clockgating(adev, state);
1213 return athub_v2_0_set_clockgating(adev, state);
1216 static void gmc_v10_0_get_clockgating_state(void *handle, u64 *flags)
1218 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1220 if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(10, 1, 3) ||
1221 adev->ip_versions[GC_HWIP][0] == IP_VERSION(10, 1, 4))
1224 adev->mmhub.funcs->get_clockgating(adev, flags);
1226 if (adev->ip_versions[ATHUB_HWIP][0] >= IP_VERSION(2, 1, 0))
1227 athub_v2_1_get_clockgating(adev, flags);
1229 athub_v2_0_get_clockgating(adev, flags);
1232 static int gmc_v10_0_set_powergating_state(void *handle,
1233 enum amd_powergating_state state)
1238 const struct amd_ip_funcs gmc_v10_0_ip_funcs = {
1239 .name = "gmc_v10_0",
1240 .early_init = gmc_v10_0_early_init,
1241 .late_init = gmc_v10_0_late_init,
1242 .sw_init = gmc_v10_0_sw_init,
1243 .sw_fini = gmc_v10_0_sw_fini,
1244 .hw_init = gmc_v10_0_hw_init,
1245 .hw_fini = gmc_v10_0_hw_fini,
1246 .suspend = gmc_v10_0_suspend,
1247 .resume = gmc_v10_0_resume,
1248 .is_idle = gmc_v10_0_is_idle,
1249 .wait_for_idle = gmc_v10_0_wait_for_idle,
1250 .soft_reset = gmc_v10_0_soft_reset,
1251 .set_clockgating_state = gmc_v10_0_set_clockgating_state,
1252 .set_powergating_state = gmc_v10_0_set_powergating_state,
1253 .get_clockgating_state = gmc_v10_0_get_clockgating_state,
1256 const struct amdgpu_ip_block_version gmc_v10_0_ip_block =
1258 .type = AMD_IP_BLOCK_TYPE_GMC,
1262 .funcs = &gmc_v10_0_ip_funcs,