2 * Copyright 2016 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.
24 #include <linux/firmware.h>
25 #include <linux/pci.h>
27 #include <drm/drm_cache.h>
31 #include "amdgpu_atomfirmware.h"
32 #include "amdgpu_gem.h"
34 #include "hdp/hdp_4_0_offset.h"
35 #include "hdp/hdp_4_0_sh_mask.h"
36 #include "gc/gc_9_0_sh_mask.h"
37 #include "dce/dce_12_0_offset.h"
38 #include "dce/dce_12_0_sh_mask.h"
39 #include "vega10_enum.h"
40 #include "mmhub/mmhub_1_0_offset.h"
41 #include "athub/athub_1_0_offset.h"
42 #include "oss/osssys_4_0_offset.h"
45 #include "soc15_common.h"
46 #include "umc/umc_6_0_sh_mask.h"
48 #include "gfxhub_v1_0.h"
49 #include "mmhub_v1_0.h"
50 #include "athub_v1_0.h"
51 #include "gfxhub_v1_1.h"
52 #include "mmhub_v9_4.h"
56 #include "ivsrcid/vmc/irqsrcs_vmc_1_0.h"
58 #include "amdgpu_ras.h"
59 #include "amdgpu_xgmi.h"
61 /* add these here since we already include dce12 headers and these are for DCN */
62 #define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION 0x055d
63 #define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION_BASE_IDX 2
64 #define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_WIDTH__SHIFT 0x0
65 #define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_HEIGHT__SHIFT 0x10
66 #define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_WIDTH_MASK 0x00003FFFL
67 #define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_HEIGHT_MASK 0x3FFF0000L
69 /* XXX Move this macro to VEGA10 header file, which is like vid.h for VI.*/
70 #define AMDGPU_NUM_OF_VMIDS 8
72 static const u32 golden_settings_vega10_hdp
[] =
74 0xf64, 0x0fffffff, 0x00000000,
75 0xf65, 0x0fffffff, 0x00000000,
76 0xf66, 0x0fffffff, 0x00000000,
77 0xf67, 0x0fffffff, 0x00000000,
78 0xf68, 0x0fffffff, 0x00000000,
79 0xf6a, 0x0fffffff, 0x00000000,
80 0xf6b, 0x0fffffff, 0x00000000,
81 0xf6c, 0x0fffffff, 0x00000000,
82 0xf6d, 0x0fffffff, 0x00000000,
83 0xf6e, 0x0fffffff, 0x00000000,
86 static const struct soc15_reg_golden golden_settings_mmhub_1_0_0
[] =
88 SOC15_REG_GOLDEN_VALUE(MMHUB
, 0, mmDAGB1_WRCLI2
, 0x00000007, 0xfe5fe0fa),
89 SOC15_REG_GOLDEN_VALUE(MMHUB
, 0, mmMMEA1_DRAM_WR_CLI2GRP_MAP0
, 0x00000030, 0x55555565)
92 static const struct soc15_reg_golden golden_settings_athub_1_0_0
[] =
94 SOC15_REG_GOLDEN_VALUE(ATHUB
, 0, mmRPB_ARB_CNTL
, 0x0000ff00, 0x00000800),
95 SOC15_REG_GOLDEN_VALUE(ATHUB
, 0, mmRPB_ARB_CNTL2
, 0x00ff00ff, 0x00080008)
98 static const uint32_t ecc_umc_mcumc_ctrl_addrs
[] = {
99 (0x000143c0 + 0x00000000),
100 (0x000143c0 + 0x00000800),
101 (0x000143c0 + 0x00001000),
102 (0x000143c0 + 0x00001800),
103 (0x000543c0 + 0x00000000),
104 (0x000543c0 + 0x00000800),
105 (0x000543c0 + 0x00001000),
106 (0x000543c0 + 0x00001800),
107 (0x000943c0 + 0x00000000),
108 (0x000943c0 + 0x00000800),
109 (0x000943c0 + 0x00001000),
110 (0x000943c0 + 0x00001800),
111 (0x000d43c0 + 0x00000000),
112 (0x000d43c0 + 0x00000800),
113 (0x000d43c0 + 0x00001000),
114 (0x000d43c0 + 0x00001800),
115 (0x001143c0 + 0x00000000),
116 (0x001143c0 + 0x00000800),
117 (0x001143c0 + 0x00001000),
118 (0x001143c0 + 0x00001800),
119 (0x001543c0 + 0x00000000),
120 (0x001543c0 + 0x00000800),
121 (0x001543c0 + 0x00001000),
122 (0x001543c0 + 0x00001800),
123 (0x001943c0 + 0x00000000),
124 (0x001943c0 + 0x00000800),
125 (0x001943c0 + 0x00001000),
126 (0x001943c0 + 0x00001800),
127 (0x001d43c0 + 0x00000000),
128 (0x001d43c0 + 0x00000800),
129 (0x001d43c0 + 0x00001000),
130 (0x001d43c0 + 0x00001800),
133 static const uint32_t ecc_umc_mcumc_ctrl_mask_addrs
[] = {
134 (0x000143e0 + 0x00000000),
135 (0x000143e0 + 0x00000800),
136 (0x000143e0 + 0x00001000),
137 (0x000143e0 + 0x00001800),
138 (0x000543e0 + 0x00000000),
139 (0x000543e0 + 0x00000800),
140 (0x000543e0 + 0x00001000),
141 (0x000543e0 + 0x00001800),
142 (0x000943e0 + 0x00000000),
143 (0x000943e0 + 0x00000800),
144 (0x000943e0 + 0x00001000),
145 (0x000943e0 + 0x00001800),
146 (0x000d43e0 + 0x00000000),
147 (0x000d43e0 + 0x00000800),
148 (0x000d43e0 + 0x00001000),
149 (0x000d43e0 + 0x00001800),
150 (0x001143e0 + 0x00000000),
151 (0x001143e0 + 0x00000800),
152 (0x001143e0 + 0x00001000),
153 (0x001143e0 + 0x00001800),
154 (0x001543e0 + 0x00000000),
155 (0x001543e0 + 0x00000800),
156 (0x001543e0 + 0x00001000),
157 (0x001543e0 + 0x00001800),
158 (0x001943e0 + 0x00000000),
159 (0x001943e0 + 0x00000800),
160 (0x001943e0 + 0x00001000),
161 (0x001943e0 + 0x00001800),
162 (0x001d43e0 + 0x00000000),
163 (0x001d43e0 + 0x00000800),
164 (0x001d43e0 + 0x00001000),
165 (0x001d43e0 + 0x00001800),
168 static const uint32_t ecc_umc_mcumc_status_addrs
[] = {
169 (0x000143c2 + 0x00000000),
170 (0x000143c2 + 0x00000800),
171 (0x000143c2 + 0x00001000),
172 (0x000143c2 + 0x00001800),
173 (0x000543c2 + 0x00000000),
174 (0x000543c2 + 0x00000800),
175 (0x000543c2 + 0x00001000),
176 (0x000543c2 + 0x00001800),
177 (0x000943c2 + 0x00000000),
178 (0x000943c2 + 0x00000800),
179 (0x000943c2 + 0x00001000),
180 (0x000943c2 + 0x00001800),
181 (0x000d43c2 + 0x00000000),
182 (0x000d43c2 + 0x00000800),
183 (0x000d43c2 + 0x00001000),
184 (0x000d43c2 + 0x00001800),
185 (0x001143c2 + 0x00000000),
186 (0x001143c2 + 0x00000800),
187 (0x001143c2 + 0x00001000),
188 (0x001143c2 + 0x00001800),
189 (0x001543c2 + 0x00000000),
190 (0x001543c2 + 0x00000800),
191 (0x001543c2 + 0x00001000),
192 (0x001543c2 + 0x00001800),
193 (0x001943c2 + 0x00000000),
194 (0x001943c2 + 0x00000800),
195 (0x001943c2 + 0x00001000),
196 (0x001943c2 + 0x00001800),
197 (0x001d43c2 + 0x00000000),
198 (0x001d43c2 + 0x00000800),
199 (0x001d43c2 + 0x00001000),
200 (0x001d43c2 + 0x00001800),
203 static int gmc_v9_0_ecc_interrupt_state(struct amdgpu_device
*adev
,
204 struct amdgpu_irq_src
*src
,
206 enum amdgpu_interrupt_state state
)
208 u32 bits
, i
, tmp
, reg
;
213 case AMDGPU_IRQ_STATE_DISABLE
:
214 for (i
= 0; i
< ARRAY_SIZE(ecc_umc_mcumc_ctrl_addrs
); i
++) {
215 reg
= ecc_umc_mcumc_ctrl_addrs
[i
];
220 for (i
= 0; i
< ARRAY_SIZE(ecc_umc_mcumc_ctrl_mask_addrs
); i
++) {
221 reg
= ecc_umc_mcumc_ctrl_mask_addrs
[i
];
227 case AMDGPU_IRQ_STATE_ENABLE
:
228 for (i
= 0; i
< ARRAY_SIZE(ecc_umc_mcumc_ctrl_addrs
); i
++) {
229 reg
= ecc_umc_mcumc_ctrl_addrs
[i
];
234 for (i
= 0; i
< ARRAY_SIZE(ecc_umc_mcumc_ctrl_mask_addrs
); i
++) {
235 reg
= ecc_umc_mcumc_ctrl_mask_addrs
[i
];
248 static int gmc_v9_0_vm_fault_interrupt_state(struct amdgpu_device
*adev
,
249 struct amdgpu_irq_src
*src
,
251 enum amdgpu_interrupt_state state
)
253 struct amdgpu_vmhub
*hub
;
254 u32 tmp
, reg
, bits
, i
, j
;
256 bits
= VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK
|
257 VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK
|
258 VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK
|
259 VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK
|
260 VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK
|
261 VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK
|
262 VM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK
;
265 case AMDGPU_IRQ_STATE_DISABLE
:
266 for (j
= 0; j
< adev
->num_vmhubs
; j
++) {
267 hub
= &adev
->vmhub
[j
];
268 for (i
= 0; i
< 16; i
++) {
269 reg
= hub
->vm_context0_cntl
+ i
;
276 case AMDGPU_IRQ_STATE_ENABLE
:
277 for (j
= 0; j
< adev
->num_vmhubs
; j
++) {
278 hub
= &adev
->vmhub
[j
];
279 for (i
= 0; i
< 16; i
++) {
280 reg
= hub
->vm_context0_cntl
+ i
;
293 static int gmc_v9_0_process_interrupt(struct amdgpu_device
*adev
,
294 struct amdgpu_irq_src
*source
,
295 struct amdgpu_iv_entry
*entry
)
297 struct amdgpu_vmhub
*hub
;
298 bool retry_fault
= !!(entry
->src_data
[1] & 0x80);
303 addr
= (u64
)entry
->src_data
[0] << 12;
304 addr
|= ((u64
)entry
->src_data
[1] & 0xf) << 44;
306 if (retry_fault
&& amdgpu_gmc_filter_faults(adev
, addr
, entry
->pasid
,
308 return 1; /* This also prevents sending it to KFD */
310 if (entry
->client_id
== SOC15_IH_CLIENTID_VMC
) {
311 snprintf(hub_name
, sizeof(hub_name
), "mmhub0");
312 hub
= &adev
->vmhub
[AMDGPU_MMHUB_0
];
313 } else if (entry
->client_id
== SOC15_IH_CLIENTID_VMC1
) {
314 snprintf(hub_name
, sizeof(hub_name
), "mmhub1");
315 hub
= &adev
->vmhub
[AMDGPU_MMHUB_1
];
317 snprintf(hub_name
, sizeof(hub_name
), "gfxhub0");
318 hub
= &adev
->vmhub
[AMDGPU_GFXHUB_0
];
321 /* If it's the first fault for this address, process it normally */
322 if (retry_fault
&& !in_interrupt() &&
323 amdgpu_vm_handle_fault(adev
, entry
->pasid
, addr
))
324 return 1; /* This also prevents sending it to KFD */
326 if (!amdgpu_sriov_vf(adev
)) {
328 * Issue a dummy read to wait for the status register to
329 * be updated to avoid reading an incorrect value due to
330 * the new fast GRBM interface.
332 if (entry
->vmid_src
== AMDGPU_GFXHUB_0
)
333 RREG32(hub
->vm_l2_pro_fault_status
);
335 status
= RREG32(hub
->vm_l2_pro_fault_status
);
336 WREG32_P(hub
->vm_l2_pro_fault_cntl
, 1, ~1);
339 if (printk_ratelimit()) {
340 struct amdgpu_task_info task_info
;
342 memset(&task_info
, 0, sizeof(struct amdgpu_task_info
));
343 amdgpu_vm_get_task_info(adev
, entry
->pasid
, &task_info
);
346 "[%s] %s page fault (src_id:%u ring:%u vmid:%u "
347 "pasid:%u, for process %s pid %d thread %s pid %d)\n",
348 hub_name
, retry_fault
? "retry" : "no-retry",
349 entry
->src_id
, entry
->ring_id
, entry
->vmid
,
350 entry
->pasid
, task_info
.process_name
, task_info
.tgid
,
351 task_info
.task_name
, task_info
.pid
);
352 dev_err(adev
->dev
, " in page starting at address 0x%016llx from client %d\n",
353 addr
, entry
->client_id
);
354 if (!amdgpu_sriov_vf(adev
)) {
356 "VM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
358 dev_err(adev
->dev
, "\t MORE_FAULTS: 0x%lx\n",
359 REG_GET_FIELD(status
,
360 VM_L2_PROTECTION_FAULT_STATUS
, MORE_FAULTS
));
361 dev_err(adev
->dev
, "\t WALKER_ERROR: 0x%lx\n",
362 REG_GET_FIELD(status
,
363 VM_L2_PROTECTION_FAULT_STATUS
, WALKER_ERROR
));
364 dev_err(adev
->dev
, "\t PERMISSION_FAULTS: 0x%lx\n",
365 REG_GET_FIELD(status
,
366 VM_L2_PROTECTION_FAULT_STATUS
, PERMISSION_FAULTS
));
367 dev_err(adev
->dev
, "\t MAPPING_ERROR: 0x%lx\n",
368 REG_GET_FIELD(status
,
369 VM_L2_PROTECTION_FAULT_STATUS
, MAPPING_ERROR
));
370 dev_err(adev
->dev
, "\t RW: 0x%lx\n",
371 REG_GET_FIELD(status
,
372 VM_L2_PROTECTION_FAULT_STATUS
, RW
));
380 static const struct amdgpu_irq_src_funcs gmc_v9_0_irq_funcs
= {
381 .set
= gmc_v9_0_vm_fault_interrupt_state
,
382 .process
= gmc_v9_0_process_interrupt
,
386 static const struct amdgpu_irq_src_funcs gmc_v9_0_ecc_funcs
= {
387 .set
= gmc_v9_0_ecc_interrupt_state
,
388 .process
= amdgpu_umc_process_ecc_irq
,
391 static void gmc_v9_0_set_irq_funcs(struct amdgpu_device
*adev
)
393 adev
->gmc
.vm_fault
.num_types
= 1;
394 adev
->gmc
.vm_fault
.funcs
= &gmc_v9_0_irq_funcs
;
396 adev
->gmc
.ecc_irq
.num_types
= 1;
397 adev
->gmc
.ecc_irq
.funcs
= &gmc_v9_0_ecc_funcs
;
400 static uint32_t gmc_v9_0_get_invalidate_req(unsigned int vmid
,
405 req
= REG_SET_FIELD(req
, VM_INVALIDATE_ENG0_REQ
,
406 PER_VMID_INVALIDATE_REQ
, 1 << vmid
);
407 req
= REG_SET_FIELD(req
, VM_INVALIDATE_ENG0_REQ
, FLUSH_TYPE
, flush_type
);
408 req
= REG_SET_FIELD(req
, VM_INVALIDATE_ENG0_REQ
, INVALIDATE_L2_PTES
, 1);
409 req
= REG_SET_FIELD(req
, VM_INVALIDATE_ENG0_REQ
, INVALIDATE_L2_PDE0
, 1);
410 req
= REG_SET_FIELD(req
, VM_INVALIDATE_ENG0_REQ
, INVALIDATE_L2_PDE1
, 1);
411 req
= REG_SET_FIELD(req
, VM_INVALIDATE_ENG0_REQ
, INVALIDATE_L2_PDE2
, 1);
412 req
= REG_SET_FIELD(req
, VM_INVALIDATE_ENG0_REQ
, INVALIDATE_L1_PTES
, 1);
413 req
= REG_SET_FIELD(req
, VM_INVALIDATE_ENG0_REQ
,
414 CLEAR_PROTECTION_FAULT_STATUS_ADDR
, 0);
420 * gmc_v9_0_use_invalidate_semaphore - judge whether to use semaphore
422 * @adev: amdgpu_device pointer
426 static bool gmc_v9_0_use_invalidate_semaphore(struct amdgpu_device
*adev
,
429 return ((vmhub
== AMDGPU_MMHUB_0
||
430 vmhub
== AMDGPU_MMHUB_1
) &&
431 (!amdgpu_sriov_vf(adev
)) &&
432 (!(adev
->asic_type
== CHIP_RAVEN
&&
433 adev
->rev_id
< 0x8 &&
434 adev
->pdev
->device
== 0x15d8)));
439 * VMID 0 is the physical GPU addresses as used by the kernel.
440 * VMIDs 1-15 are used for userspace clients and are handled
441 * by the amdgpu vm/hsa code.
445 * gmc_v9_0_flush_gpu_tlb - tlb flush with certain type
447 * @adev: amdgpu_device pointer
448 * @vmid: vm instance to flush
449 * @flush_type: the flush type
451 * Flush the TLB for the requested page table using certain type.
453 static void gmc_v9_0_flush_gpu_tlb(struct amdgpu_device
*adev
, uint32_t vmid
,
454 uint32_t vmhub
, uint32_t flush_type
)
456 bool use_semaphore
= gmc_v9_0_use_invalidate_semaphore(adev
, vmhub
);
457 const unsigned eng
= 17;
459 struct amdgpu_vmhub
*hub
;
461 BUG_ON(vmhub
>= adev
->num_vmhubs
);
463 hub
= &adev
->vmhub
[vmhub
];
464 tmp
= gmc_v9_0_get_invalidate_req(vmid
, flush_type
);
466 /* This is necessary for a HW workaround under SRIOV as well
467 * as GFXOFF under bare metal
469 if (adev
->gfx
.kiq
.ring
.sched
.ready
&&
470 (amdgpu_sriov_runtime(adev
) || !amdgpu_sriov_vf(adev
)) &&
471 !adev
->in_gpu_reset
) {
472 uint32_t req
= hub
->vm_inv_eng0_req
+ eng
;
473 uint32_t ack
= hub
->vm_inv_eng0_ack
+ eng
;
475 amdgpu_virt_kiq_reg_write_reg_wait(adev
, req
, ack
, tmp
,
480 spin_lock(&adev
->gmc
.invalidate_lock
);
483 * It may lose gpuvm invalidate acknowldege state across power-gating
484 * off cycle, add semaphore acquire before invalidation and semaphore
485 * release after invalidation to avoid entering power gated state
489 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
491 for (j
= 0; j
< adev
->usec_timeout
; j
++) {
492 /* a read return value of 1 means semaphore acuqire */
493 tmp
= RREG32_NO_KIQ(hub
->vm_inv_eng0_sem
+ eng
);
499 if (j
>= adev
->usec_timeout
)
500 DRM_ERROR("Timeout waiting for sem acquire in VM flush!\n");
503 WREG32_NO_KIQ(hub
->vm_inv_eng0_req
+ eng
, tmp
);
506 * Issue a dummy read to wait for the ACK register to be cleared
507 * to avoid a false ACK due to the new fast GRBM interface.
509 if (vmhub
== AMDGPU_GFXHUB_0
)
510 RREG32_NO_KIQ(hub
->vm_inv_eng0_req
+ eng
);
512 for (j
= 0; j
< adev
->usec_timeout
; j
++) {
513 tmp
= RREG32_NO_KIQ(hub
->vm_inv_eng0_ack
+ eng
);
514 if (tmp
& (1 << vmid
))
519 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
522 * add semaphore release after invalidation,
523 * write with 0 means semaphore release
525 WREG32_NO_KIQ(hub
->vm_inv_eng0_sem
+ eng
, 0);
527 spin_unlock(&adev
->gmc
.invalidate_lock
);
529 if (j
< adev
->usec_timeout
)
532 DRM_ERROR("Timeout waiting for VM flush ACK!\n");
535 static uint64_t gmc_v9_0_emit_flush_gpu_tlb(struct amdgpu_ring
*ring
,
536 unsigned vmid
, uint64_t pd_addr
)
538 bool use_semaphore
= gmc_v9_0_use_invalidate_semaphore(ring
->adev
, ring
->funcs
->vmhub
);
539 struct amdgpu_device
*adev
= ring
->adev
;
540 struct amdgpu_vmhub
*hub
= &adev
->vmhub
[ring
->funcs
->vmhub
];
541 uint32_t req
= gmc_v9_0_get_invalidate_req(vmid
, 0);
542 unsigned eng
= ring
->vm_inv_eng
;
545 * It may lose gpuvm invalidate acknowldege state across power-gating
546 * off cycle, add semaphore acquire before invalidation and semaphore
547 * release after invalidation to avoid entering power gated state
551 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
553 /* a read return value of 1 means semaphore acuqire */
554 amdgpu_ring_emit_reg_wait(ring
,
555 hub
->vm_inv_eng0_sem
+ eng
, 0x1, 0x1);
557 amdgpu_ring_emit_wreg(ring
, hub
->ctx0_ptb_addr_lo32
+ (2 * vmid
),
558 lower_32_bits(pd_addr
));
560 amdgpu_ring_emit_wreg(ring
, hub
->ctx0_ptb_addr_hi32
+ (2 * vmid
),
561 upper_32_bits(pd_addr
));
563 amdgpu_ring_emit_reg_write_reg_wait(ring
, hub
->vm_inv_eng0_req
+ eng
,
564 hub
->vm_inv_eng0_ack
+ eng
,
567 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
570 * add semaphore release after invalidation,
571 * write with 0 means semaphore release
573 amdgpu_ring_emit_wreg(ring
, hub
->vm_inv_eng0_sem
+ eng
, 0);
578 static void gmc_v9_0_emit_pasid_mapping(struct amdgpu_ring
*ring
, unsigned vmid
,
581 struct amdgpu_device
*adev
= ring
->adev
;
584 /* Do nothing because there's no lut register for mmhub1. */
585 if (ring
->funcs
->vmhub
== AMDGPU_MMHUB_1
)
588 if (ring
->funcs
->vmhub
== AMDGPU_GFXHUB_0
)
589 reg
= SOC15_REG_OFFSET(OSSSYS
, 0, mmIH_VMID_0_LUT
) + vmid
;
591 reg
= SOC15_REG_OFFSET(OSSSYS
, 0, mmIH_VMID_0_LUT_MM
) + vmid
;
593 amdgpu_ring_emit_wreg(ring
, reg
, pasid
);
597 * PTE format on VEGA 10:
606 * 47:12 4k physical page base address
616 * PDE format on VEGA 10:
617 * 63:59 block fragment size
621 * 47:6 physical base address of PD or PTE
628 static uint64_t gmc_v9_0_map_mtype(struct amdgpu_device
*adev
, uint32_t flags
)
632 case AMDGPU_VM_MTYPE_DEFAULT
:
633 return AMDGPU_PTE_MTYPE_VG10(MTYPE_NC
);
634 case AMDGPU_VM_MTYPE_NC
:
635 return AMDGPU_PTE_MTYPE_VG10(MTYPE_NC
);
636 case AMDGPU_VM_MTYPE_WC
:
637 return AMDGPU_PTE_MTYPE_VG10(MTYPE_WC
);
638 case AMDGPU_VM_MTYPE_RW
:
639 return AMDGPU_PTE_MTYPE_VG10(MTYPE_RW
);
640 case AMDGPU_VM_MTYPE_CC
:
641 return AMDGPU_PTE_MTYPE_VG10(MTYPE_CC
);
642 case AMDGPU_VM_MTYPE_UC
:
643 return AMDGPU_PTE_MTYPE_VG10(MTYPE_UC
);
645 return AMDGPU_PTE_MTYPE_VG10(MTYPE_NC
);
649 static void gmc_v9_0_get_vm_pde(struct amdgpu_device
*adev
, int level
,
650 uint64_t *addr
, uint64_t *flags
)
652 if (!(*flags
& AMDGPU_PDE_PTE
) && !(*flags
& AMDGPU_PTE_SYSTEM
))
653 *addr
= adev
->vm_manager
.vram_base_offset
+ *addr
-
654 adev
->gmc
.vram_start
;
655 BUG_ON(*addr
& 0xFFFF00000000003FULL
);
657 if (!adev
->gmc
.translate_further
)
660 if (level
== AMDGPU_VM_PDB1
) {
661 /* Set the block fragment size */
662 if (!(*flags
& AMDGPU_PDE_PTE
))
663 *flags
|= AMDGPU_PDE_BFS(0x9);
665 } else if (level
== AMDGPU_VM_PDB0
) {
666 if (*flags
& AMDGPU_PDE_PTE
)
667 *flags
&= ~AMDGPU_PDE_PTE
;
669 *flags
|= AMDGPU_PTE_TF
;
673 static void gmc_v9_0_get_vm_pte(struct amdgpu_device
*adev
,
674 struct amdgpu_bo_va_mapping
*mapping
,
677 *flags
&= ~AMDGPU_PTE_EXECUTABLE
;
678 *flags
|= mapping
->flags
& AMDGPU_PTE_EXECUTABLE
;
680 *flags
&= ~AMDGPU_PTE_MTYPE_VG10_MASK
;
681 *flags
|= mapping
->flags
& AMDGPU_PTE_MTYPE_VG10_MASK
;
683 if (mapping
->flags
& AMDGPU_PTE_PRT
) {
684 *flags
|= AMDGPU_PTE_PRT
;
685 *flags
&= ~AMDGPU_PTE_VALID
;
688 if (adev
->asic_type
== CHIP_ARCTURUS
&&
689 !(*flags
& AMDGPU_PTE_SYSTEM
) &&
690 mapping
->bo_va
->is_xgmi
)
691 *flags
|= AMDGPU_PTE_SNOOPED
;
694 static const struct amdgpu_gmc_funcs gmc_v9_0_gmc_funcs
= {
695 .flush_gpu_tlb
= gmc_v9_0_flush_gpu_tlb
,
696 .emit_flush_gpu_tlb
= gmc_v9_0_emit_flush_gpu_tlb
,
697 .emit_pasid_mapping
= gmc_v9_0_emit_pasid_mapping
,
698 .map_mtype
= gmc_v9_0_map_mtype
,
699 .get_vm_pde
= gmc_v9_0_get_vm_pde
,
700 .get_vm_pte
= gmc_v9_0_get_vm_pte
703 static void gmc_v9_0_set_gmc_funcs(struct amdgpu_device
*adev
)
705 adev
->gmc
.gmc_funcs
= &gmc_v9_0_gmc_funcs
;
708 static void gmc_v9_0_set_umc_funcs(struct amdgpu_device
*adev
)
710 switch (adev
->asic_type
) {
712 adev
->umc
.funcs
= &umc_v6_0_funcs
;
715 adev
->umc
.max_ras_err_cnt_per_query
= UMC_V6_1_TOTAL_CHANNEL_NUM
;
716 adev
->umc
.channel_inst_num
= UMC_V6_1_CHANNEL_INSTANCE_NUM
;
717 adev
->umc
.umc_inst_num
= UMC_V6_1_UMC_INSTANCE_NUM
;
718 adev
->umc
.channel_offs
= UMC_V6_1_PER_CHANNEL_OFFSET
;
719 adev
->umc
.channel_idx_tbl
= &umc_v6_1_channel_idx_tbl
[0][0];
720 adev
->umc
.funcs
= &umc_v6_1_funcs
;
727 static void gmc_v9_0_set_mmhub_funcs(struct amdgpu_device
*adev
)
729 switch (adev
->asic_type
) {
731 adev
->mmhub
.funcs
= &mmhub_v1_0_funcs
;
738 static int gmc_v9_0_early_init(void *handle
)
740 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
742 gmc_v9_0_set_gmc_funcs(adev
);
743 gmc_v9_0_set_irq_funcs(adev
);
744 gmc_v9_0_set_umc_funcs(adev
);
745 gmc_v9_0_set_mmhub_funcs(adev
);
747 adev
->gmc
.shared_aperture_start
= 0x2000000000000000ULL
;
748 adev
->gmc
.shared_aperture_end
=
749 adev
->gmc
.shared_aperture_start
+ (4ULL << 30) - 1;
750 adev
->gmc
.private_aperture_start
= 0x1000000000000000ULL
;
751 adev
->gmc
.private_aperture_end
=
752 adev
->gmc
.private_aperture_start
+ (4ULL << 30) - 1;
757 static bool gmc_v9_0_keep_stolen_memory(struct amdgpu_device
*adev
)
762 * Currently there is a bug where some memory client outside
763 * of the driver writes to first 8M of VRAM on S3 resume,
764 * this overrides GART which by default gets placed in first 8M and
765 * causes VM_FAULTS once GTT is accessed.
766 * Keep the stolen memory reservation until the while this is not solved.
767 * Also check code in gmc_v9_0_get_vbios_fb_size and gmc_v9_0_late_init
769 switch (adev
->asic_type
) {
782 static int gmc_v9_0_allocate_vm_inv_eng(struct amdgpu_device
*adev
)
784 struct amdgpu_ring
*ring
;
785 unsigned vm_inv_engs
[AMDGPU_MAX_VMHUBS
] =
786 {GFXHUB_FREE_VM_INV_ENGS_BITMAP
, MMHUB_FREE_VM_INV_ENGS_BITMAP
,
787 GFXHUB_FREE_VM_INV_ENGS_BITMAP
};
789 unsigned vmhub
, inv_eng
;
791 for (i
= 0; i
< adev
->num_rings
; ++i
) {
792 ring
= adev
->rings
[i
];
793 vmhub
= ring
->funcs
->vmhub
;
795 inv_eng
= ffs(vm_inv_engs
[vmhub
]);
797 dev_err(adev
->dev
, "no VM inv eng for ring %s\n",
802 ring
->vm_inv_eng
= inv_eng
- 1;
803 vm_inv_engs
[vmhub
] &= ~(1 << ring
->vm_inv_eng
);
805 dev_info(adev
->dev
, "ring %s uses VM inv eng %u on hub %u\n",
806 ring
->name
, ring
->vm_inv_eng
, ring
->funcs
->vmhub
);
812 static int gmc_v9_0_late_init(void *handle
)
814 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
817 if (!gmc_v9_0_keep_stolen_memory(adev
))
818 amdgpu_bo_late_init(adev
);
820 r
= gmc_v9_0_allocate_vm_inv_eng(adev
);
823 /* Check if ecc is available */
824 if (!amdgpu_sriov_vf(adev
)) {
825 switch (adev
->asic_type
) {
828 r
= amdgpu_atomfirmware_mem_ecc_supported(adev
);
830 DRM_INFO("ECC is not present.\n");
831 if (adev
->df_funcs
->enable_ecc_force_par_wr_rmw
)
832 adev
->df_funcs
->enable_ecc_force_par_wr_rmw(adev
, false);
834 DRM_INFO("ECC is active.\n");
837 r
= amdgpu_atomfirmware_sram_ecc_supported(adev
);
839 DRM_INFO("SRAM ECC is not present.\n");
841 DRM_INFO("SRAM ECC is active.\n");
849 r
= amdgpu_gmc_ras_late_init(adev
);
853 return amdgpu_irq_get(adev
, &adev
->gmc
.vm_fault
, 0);
856 static void gmc_v9_0_vram_gtt_location(struct amdgpu_device
*adev
,
857 struct amdgpu_gmc
*mc
)
861 if (adev
->asic_type
== CHIP_ARCTURUS
)
862 base
= mmhub_v9_4_get_fb_location(adev
);
863 else if (!amdgpu_sriov_vf(adev
))
864 base
= mmhub_v1_0_get_fb_location(adev
);
866 /* add the xgmi offset of the physical node */
867 base
+= adev
->gmc
.xgmi
.physical_node_id
* adev
->gmc
.xgmi
.node_segment_size
;
868 amdgpu_gmc_vram_location(adev
, mc
, base
);
869 amdgpu_gmc_gart_location(adev
, mc
);
870 amdgpu_gmc_agp_location(adev
, mc
);
871 /* base offset of vram pages */
872 adev
->vm_manager
.vram_base_offset
= gfxhub_v1_0_get_mc_fb_offset(adev
);
874 /* XXX: add the xgmi offset of the physical node? */
875 adev
->vm_manager
.vram_base_offset
+=
876 adev
->gmc
.xgmi
.physical_node_id
* adev
->gmc
.xgmi
.node_segment_size
;
880 * gmc_v9_0_mc_init - initialize the memory controller driver params
882 * @adev: amdgpu_device pointer
884 * Look up the amount of vram, vram width, and decide how to place
885 * vram and gart within the GPU's physical address space.
886 * Returns 0 for success.
888 static int gmc_v9_0_mc_init(struct amdgpu_device
*adev
)
892 /* size in MB on si */
893 adev
->gmc
.mc_vram_size
=
894 adev
->nbio
.funcs
->get_memsize(adev
) * 1024ULL * 1024ULL;
895 adev
->gmc
.real_vram_size
= adev
->gmc
.mc_vram_size
;
897 if (!(adev
->flags
& AMD_IS_APU
)) {
898 r
= amdgpu_device_resize_fb_bar(adev
);
902 adev
->gmc
.aper_base
= pci_resource_start(adev
->pdev
, 0);
903 adev
->gmc
.aper_size
= pci_resource_len(adev
->pdev
, 0);
906 if (adev
->flags
& AMD_IS_APU
) {
907 adev
->gmc
.aper_base
= gfxhub_v1_0_get_mc_fb_offset(adev
);
908 adev
->gmc
.aper_size
= adev
->gmc
.real_vram_size
;
911 /* In case the PCI BAR is larger than the actual amount of vram */
912 adev
->gmc
.visible_vram_size
= adev
->gmc
.aper_size
;
913 if (adev
->gmc
.visible_vram_size
> adev
->gmc
.real_vram_size
)
914 adev
->gmc
.visible_vram_size
= adev
->gmc
.real_vram_size
;
916 /* set the gart size */
917 if (amdgpu_gart_size
== -1) {
918 switch (adev
->asic_type
) {
919 case CHIP_VEGA10
: /* all engines support GPUVM */
920 case CHIP_VEGA12
: /* all engines support GPUVM */
924 adev
->gmc
.gart_size
= 512ULL << 20;
926 case CHIP_RAVEN
: /* DCE SG support */
928 adev
->gmc
.gart_size
= 1024ULL << 20;
932 adev
->gmc
.gart_size
= (u64
)amdgpu_gart_size
<< 20;
935 gmc_v9_0_vram_gtt_location(adev
, &adev
->gmc
);
940 static int gmc_v9_0_gart_init(struct amdgpu_device
*adev
)
945 WARN(1, "VEGA10 PCIE GART already initialized\n");
948 /* Initialize common gart structure */
949 r
= amdgpu_gart_init(adev
);
952 adev
->gart
.table_size
= adev
->gart
.num_gpu_pages
* 8;
953 adev
->gart
.gart_pte_flags
= AMDGPU_PTE_MTYPE_VG10(MTYPE_UC
) |
954 AMDGPU_PTE_EXECUTABLE
;
955 return amdgpu_gart_table_vram_alloc(adev
);
958 static unsigned gmc_v9_0_get_vbios_fb_size(struct amdgpu_device
*adev
)
964 * TODO Remove once GART corruption is resolved
965 * Check related code in gmc_v9_0_sw_fini
967 if (gmc_v9_0_keep_stolen_memory(adev
))
968 return 9 * 1024 * 1024;
970 d1vga_control
= RREG32_SOC15(DCE
, 0, mmD1VGA_CONTROL
);
971 if (REG_GET_FIELD(d1vga_control
, D1VGA_CONTROL
, D1VGA_MODE_ENABLE
)) {
972 size
= 9 * 1024 * 1024; /* reserve 8MB for vga emulator and 1 MB for FB */
976 switch (adev
->asic_type
) {
979 viewport
= RREG32_SOC15(DCE
, 0, mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION
);
980 size
= (REG_GET_FIELD(viewport
,
981 HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION
, PRI_VIEWPORT_HEIGHT
) *
982 REG_GET_FIELD(viewport
,
983 HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION
, PRI_VIEWPORT_WIDTH
) *
990 viewport
= RREG32_SOC15(DCE
, 0, mmSCL0_VIEWPORT_SIZE
);
991 size
= (REG_GET_FIELD(viewport
, SCL0_VIEWPORT_SIZE
, VIEWPORT_HEIGHT
) *
992 REG_GET_FIELD(viewport
, SCL0_VIEWPORT_SIZE
, VIEWPORT_WIDTH
) *
997 /* return 0 if the pre-OS buffer uses up most of vram */
998 if ((adev
->gmc
.real_vram_size
- size
) < (8 * 1024 * 1024))
1004 static int gmc_v9_0_sw_init(void *handle
)
1006 int r
, vram_width
= 0, vram_type
= 0, vram_vendor
= 0;
1007 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
1009 gfxhub_v1_0_init(adev
);
1010 if (adev
->asic_type
== CHIP_ARCTURUS
)
1011 mmhub_v9_4_init(adev
);
1013 mmhub_v1_0_init(adev
);
1015 spin_lock_init(&adev
->gmc
.invalidate_lock
);
1017 r
= amdgpu_atomfirmware_get_vram_info(adev
,
1018 &vram_width
, &vram_type
, &vram_vendor
);
1019 if (amdgpu_sriov_vf(adev
))
1020 /* For Vega10 SR-IOV, vram_width can't be read from ATOM as RAVEN,
1021 * and DF related registers is not readable, seems hardcord is the
1022 * only way to set the correct vram_width
1024 adev
->gmc
.vram_width
= 2048;
1025 else if (amdgpu_emu_mode
!= 1)
1026 adev
->gmc
.vram_width
= vram_width
;
1028 if (!adev
->gmc
.vram_width
) {
1029 int chansize
, numchan
;
1031 /* hbm memory channel size */
1032 if (adev
->flags
& AMD_IS_APU
)
1037 numchan
= adev
->df_funcs
->get_hbm_channel_number(adev
);
1038 adev
->gmc
.vram_width
= numchan
* chansize
;
1041 adev
->gmc
.vram_type
= vram_type
;
1042 adev
->gmc
.vram_vendor
= vram_vendor
;
1043 switch (adev
->asic_type
) {
1045 adev
->num_vmhubs
= 2;
1047 if (adev
->rev_id
== 0x0 || adev
->rev_id
== 0x1) {
1048 amdgpu_vm_adjust_size(adev
, 256 * 1024, 9, 3, 48);
1050 /* vm_size is 128TB + 512GB for legacy 3-level page support */
1051 amdgpu_vm_adjust_size(adev
, 128 * 1024 + 512, 9, 2, 48);
1052 adev
->gmc
.translate_further
=
1053 adev
->vm_manager
.num_level
> 1;
1060 adev
->num_vmhubs
= 2;
1064 * To fulfill 4-level page support,
1065 * vm size is 256TB (48bit), maximum size of Vega10,
1066 * block size 512 (9bit)
1068 /* sriov restrict max_pfn below AMDGPU_GMC_HOLE */
1069 if (amdgpu_sriov_vf(adev
))
1070 amdgpu_vm_adjust_size(adev
, 256 * 1024, 9, 3, 47);
1072 amdgpu_vm_adjust_size(adev
, 256 * 1024, 9, 3, 48);
1075 adev
->num_vmhubs
= 3;
1077 /* Keep the vm size same with Vega20 */
1078 amdgpu_vm_adjust_size(adev
, 256 * 1024, 9, 3, 48);
1084 /* This interrupt is VMC page fault.*/
1085 r
= amdgpu_irq_add_id(adev
, SOC15_IH_CLIENTID_VMC
, VMC_1_0__SRCID__VM_FAULT
,
1086 &adev
->gmc
.vm_fault
);
1090 if (adev
->asic_type
== CHIP_ARCTURUS
) {
1091 r
= amdgpu_irq_add_id(adev
, SOC15_IH_CLIENTID_VMC1
, VMC_1_0__SRCID__VM_FAULT
,
1092 &adev
->gmc
.vm_fault
);
1097 r
= amdgpu_irq_add_id(adev
, SOC15_IH_CLIENTID_UTCL2
, UTCL2_1_0__SRCID__FAULT
,
1098 &adev
->gmc
.vm_fault
);
1103 /* interrupt sent to DF. */
1104 r
= amdgpu_irq_add_id(adev
, SOC15_IH_CLIENTID_DF
, 0,
1105 &adev
->gmc
.ecc_irq
);
1109 /* Set the internal MC address mask
1110 * This is the max address of the GPU's
1111 * internal address space.
1113 adev
->gmc
.mc_mask
= 0xffffffffffffULL
; /* 48 bit MC */
1115 r
= dma_set_mask_and_coherent(adev
->dev
, DMA_BIT_MASK(44));
1117 printk(KERN_WARNING
"amdgpu: No suitable DMA available.\n");
1120 adev
->need_swiotlb
= drm_need_swiotlb(44);
1122 if (adev
->gmc
.xgmi
.supported
) {
1123 r
= gfxhub_v1_1_get_xgmi_info(adev
);
1128 r
= gmc_v9_0_mc_init(adev
);
1132 adev
->gmc
.stolen_size
= gmc_v9_0_get_vbios_fb_size(adev
);
1134 /* Memory manager */
1135 r
= amdgpu_bo_init(adev
);
1139 r
= gmc_v9_0_gart_init(adev
);
1145 * VMID 0 is reserved for System
1146 * amdgpu graphics/compute will use VMIDs 1-7
1147 * amdkfd will use VMIDs 8-15
1149 adev
->vm_manager
.id_mgr
[AMDGPU_GFXHUB_0
].num_ids
= AMDGPU_NUM_OF_VMIDS
;
1150 adev
->vm_manager
.id_mgr
[AMDGPU_MMHUB_0
].num_ids
= AMDGPU_NUM_OF_VMIDS
;
1151 adev
->vm_manager
.id_mgr
[AMDGPU_MMHUB_1
].num_ids
= AMDGPU_NUM_OF_VMIDS
;
1153 amdgpu_vm_manager_init(adev
);
1158 static int gmc_v9_0_sw_fini(void *handle
)
1160 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
1161 void *stolen_vga_buf
;
1163 amdgpu_gmc_ras_fini(adev
);
1164 amdgpu_gem_force_release(adev
);
1165 amdgpu_vm_manager_fini(adev
);
1167 if (gmc_v9_0_keep_stolen_memory(adev
))
1168 amdgpu_bo_free_kernel(&adev
->stolen_vga_memory
, NULL
, &stolen_vga_buf
);
1170 amdgpu_gart_table_vram_free(adev
);
1171 amdgpu_bo_fini(adev
);
1172 amdgpu_gart_fini(adev
);
1177 static void gmc_v9_0_init_golden_registers(struct amdgpu_device
*adev
)
1180 switch (adev
->asic_type
) {
1182 if (amdgpu_sriov_vf(adev
))
1186 soc15_program_register_sequence(adev
,
1187 golden_settings_mmhub_1_0_0
,
1188 ARRAY_SIZE(golden_settings_mmhub_1_0_0
));
1189 soc15_program_register_sequence(adev
,
1190 golden_settings_athub_1_0_0
,
1191 ARRAY_SIZE(golden_settings_athub_1_0_0
));
1196 /* TODO for renoir */
1197 soc15_program_register_sequence(adev
,
1198 golden_settings_athub_1_0_0
,
1199 ARRAY_SIZE(golden_settings_athub_1_0_0
));
1207 * gmc_v9_0_gart_enable - gart enable
1209 * @adev: amdgpu_device pointer
1211 static int gmc_v9_0_gart_enable(struct amdgpu_device
*adev
)
1215 if (adev
->gart
.bo
== NULL
) {
1216 dev_err(adev
->dev
, "No VRAM object for PCIE GART.\n");
1219 r
= amdgpu_gart_table_vram_pin(adev
);
1223 r
= gfxhub_v1_0_gart_enable(adev
);
1227 if (adev
->asic_type
== CHIP_ARCTURUS
)
1228 r
= mmhub_v9_4_gart_enable(adev
);
1230 r
= mmhub_v1_0_gart_enable(adev
);
1234 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1235 (unsigned)(adev
->gmc
.gart_size
>> 20),
1236 (unsigned long long)amdgpu_bo_gpu_offset(adev
->gart
.bo
));
1237 adev
->gart
.ready
= true;
1241 static int gmc_v9_0_hw_init(void *handle
)
1243 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
1248 /* The sequence of these two function calls matters.*/
1249 gmc_v9_0_init_golden_registers(adev
);
1251 if (adev
->mode_info
.num_crtc
) {
1252 if (adev
->asic_type
!= CHIP_ARCTURUS
) {
1253 /* Lockout access through VGA aperture*/
1254 WREG32_FIELD15(DCE
, 0, VGA_HDP_CONTROL
, VGA_MEMORY_DISABLE
, 1);
1256 /* disable VGA render */
1257 WREG32_FIELD15(DCE
, 0, VGA_RENDER_CONTROL
, VGA_VSTATUS_CNTL
, 0);
1261 amdgpu_device_program_register_sequence(adev
,
1262 golden_settings_vega10_hdp
,
1263 ARRAY_SIZE(golden_settings_vega10_hdp
));
1265 switch (adev
->asic_type
) {
1267 /* TODO for renoir */
1268 mmhub_v1_0_update_power_gating(adev
, true);
1271 WREG32_FIELD15(HDP
, 0, HDP_MMHUB_CNTL
, HDP_MMHUB_GCC
, 1);
1277 WREG32_FIELD15(HDP
, 0, HDP_MISC_CNTL
, FLUSH_INVALIDATE_CACHE
, 1);
1279 tmp
= RREG32_SOC15(HDP
, 0, mmHDP_HOST_PATH_CNTL
);
1280 WREG32_SOC15(HDP
, 0, mmHDP_HOST_PATH_CNTL
, tmp
);
1282 WREG32_SOC15(HDP
, 0, mmHDP_NONSURFACE_BASE
, (adev
->gmc
.vram_start
>> 8));
1283 WREG32_SOC15(HDP
, 0, mmHDP_NONSURFACE_BASE_HI
, (adev
->gmc
.vram_start
>> 40));
1285 /* After HDP is initialized, flush HDP.*/
1286 adev
->nbio
.funcs
->hdp_flush(adev
, NULL
);
1288 if (amdgpu_vm_fault_stop
== AMDGPU_VM_FAULT_STOP_ALWAYS
)
1293 gfxhub_v1_0_set_fault_enable_default(adev
, value
);
1294 if (adev
->asic_type
== CHIP_ARCTURUS
)
1295 mmhub_v9_4_set_fault_enable_default(adev
, value
);
1297 mmhub_v1_0_set_fault_enable_default(adev
, value
);
1299 for (i
= 0; i
< adev
->num_vmhubs
; ++i
)
1300 gmc_v9_0_flush_gpu_tlb(adev
, 0, i
, 0);
1302 if (adev
->umc
.funcs
&& adev
->umc
.funcs
->init_registers
)
1303 adev
->umc
.funcs
->init_registers(adev
);
1305 r
= gmc_v9_0_gart_enable(adev
);
1311 * gmc_v9_0_gart_disable - gart disable
1313 * @adev: amdgpu_device pointer
1315 * This disables all VM page table.
1317 static void gmc_v9_0_gart_disable(struct amdgpu_device
*adev
)
1319 gfxhub_v1_0_gart_disable(adev
);
1320 if (adev
->asic_type
== CHIP_ARCTURUS
)
1321 mmhub_v9_4_gart_disable(adev
);
1323 mmhub_v1_0_gart_disable(adev
);
1324 amdgpu_gart_table_vram_unpin(adev
);
1327 static int gmc_v9_0_hw_fini(void *handle
)
1329 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
1331 if (amdgpu_sriov_vf(adev
)) {
1332 /* full access mode, so don't touch any GMC register */
1333 DRM_DEBUG("For SRIOV client, shouldn't do anything.\n");
1337 amdgpu_irq_put(adev
, &adev
->gmc
.ecc_irq
, 0);
1338 amdgpu_irq_put(adev
, &adev
->gmc
.vm_fault
, 0);
1339 gmc_v9_0_gart_disable(adev
);
1344 static int gmc_v9_0_suspend(void *handle
)
1346 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
1348 return gmc_v9_0_hw_fini(adev
);
1351 static int gmc_v9_0_resume(void *handle
)
1354 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
1356 r
= gmc_v9_0_hw_init(adev
);
1360 amdgpu_vmid_reset_all(adev
);
1365 static bool gmc_v9_0_is_idle(void *handle
)
1367 /* MC is always ready in GMC v9.*/
1371 static int gmc_v9_0_wait_for_idle(void *handle
)
1373 /* There is no need to wait for MC idle in GMC v9.*/
1377 static int gmc_v9_0_soft_reset(void *handle
)
1379 /* XXX for emulation.*/
1383 static int gmc_v9_0_set_clockgating_state(void *handle
,
1384 enum amd_clockgating_state state
)
1386 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
1388 if (adev
->asic_type
== CHIP_ARCTURUS
)
1389 mmhub_v9_4_set_clockgating(adev
, state
);
1391 mmhub_v1_0_set_clockgating(adev
, state
);
1393 athub_v1_0_set_clockgating(adev
, state
);
1398 static void gmc_v9_0_get_clockgating_state(void *handle
, u32
*flags
)
1400 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
1402 if (adev
->asic_type
== CHIP_ARCTURUS
)
1403 mmhub_v9_4_get_clockgating(adev
, flags
);
1405 mmhub_v1_0_get_clockgating(adev
, flags
);
1407 athub_v1_0_get_clockgating(adev
, flags
);
1410 static int gmc_v9_0_set_powergating_state(void *handle
,
1411 enum amd_powergating_state state
)
1416 const struct amd_ip_funcs gmc_v9_0_ip_funcs
= {
1418 .early_init
= gmc_v9_0_early_init
,
1419 .late_init
= gmc_v9_0_late_init
,
1420 .sw_init
= gmc_v9_0_sw_init
,
1421 .sw_fini
= gmc_v9_0_sw_fini
,
1422 .hw_init
= gmc_v9_0_hw_init
,
1423 .hw_fini
= gmc_v9_0_hw_fini
,
1424 .suspend
= gmc_v9_0_suspend
,
1425 .resume
= gmc_v9_0_resume
,
1426 .is_idle
= gmc_v9_0_is_idle
,
1427 .wait_for_idle
= gmc_v9_0_wait_for_idle
,
1428 .soft_reset
= gmc_v9_0_soft_reset
,
1429 .set_clockgating_state
= gmc_v9_0_set_clockgating_state
,
1430 .set_powergating_state
= gmc_v9_0_set_powergating_state
,
1431 .get_clockgating_state
= gmc_v9_0_get_clockgating_state
,
1434 const struct amdgpu_ip_block_version gmc_v9_0_ip_block
=
1436 .type
= AMD_IP_BLOCK_TYPE_GMC
,
1440 .funcs
= &gmc_v9_0_ip_funcs
,