Merge tag 'drm-misc-next-fixes-2021-09-09' of git://anongit.freedesktop.org/drm/drm...
[linux-2.6-microblaze.git] / drivers / gpu / drm / amd / amdgpu / gmc_v9_0.c
1 /*
2  * Copyright 2016 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
24 #include <linux/firmware.h>
25 #include <linux/pci.h>
26
27 #include <drm/drm_cache.h>
28
29 #include "amdgpu.h"
30 #include "gmc_v9_0.h"
31 #include "amdgpu_atomfirmware.h"
32 #include "amdgpu_gem.h"
33
34 #include "gc/gc_9_0_sh_mask.h"
35 #include "dce/dce_12_0_offset.h"
36 #include "dce/dce_12_0_sh_mask.h"
37 #include "vega10_enum.h"
38 #include "mmhub/mmhub_1_0_offset.h"
39 #include "athub/athub_1_0_sh_mask.h"
40 #include "athub/athub_1_0_offset.h"
41 #include "oss/osssys_4_0_offset.h"
42
43 #include "soc15.h"
44 #include "soc15d.h"
45 #include "soc15_common.h"
46 #include "umc/umc_6_0_sh_mask.h"
47
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"
53 #include "mmhub_v1_7.h"
54 #include "umc_v6_1.h"
55 #include "umc_v6_0.h"
56 #include "umc_v6_7.h"
57 #include "hdp_v4_0.h"
58 #include "mca_v3_0.h"
59
60 #include "ivsrcid/vmc/irqsrcs_vmc_1_0.h"
61
62 #include "amdgpu_ras.h"
63 #include "amdgpu_xgmi.h"
64
65 /* add these here since we already include dce12 headers and these are for DCN */
66 #define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION                                                          0x055d
67 #define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION_BASE_IDX                                                 2
68 #define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_WIDTH__SHIFT                                        0x0
69 #define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_HEIGHT__SHIFT                                       0x10
70 #define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_WIDTH_MASK                                          0x00003FFFL
71 #define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_HEIGHT_MASK                                         0x3FFF0000L
72 #define mmDCHUBBUB_SDPIF_MMIO_CNTRL_0                                                                  0x049d
73 #define mmDCHUBBUB_SDPIF_MMIO_CNTRL_0_BASE_IDX                                                         2
74
75
76 static const char *gfxhub_client_ids[] = {
77         "CB",
78         "DB",
79         "IA",
80         "WD",
81         "CPF",
82         "CPC",
83         "CPG",
84         "RLC",
85         "TCP",
86         "SQC (inst)",
87         "SQC (data)",
88         "SQG",
89         "PA",
90 };
91
92 static const char *mmhub_client_ids_raven[][2] = {
93         [0][0] = "MP1",
94         [1][0] = "MP0",
95         [2][0] = "VCN",
96         [3][0] = "VCNU",
97         [4][0] = "HDP",
98         [5][0] = "DCE",
99         [13][0] = "UTCL2",
100         [19][0] = "TLS",
101         [26][0] = "OSS",
102         [27][0] = "SDMA0",
103         [0][1] = "MP1",
104         [1][1] = "MP0",
105         [2][1] = "VCN",
106         [3][1] = "VCNU",
107         [4][1] = "HDP",
108         [5][1] = "XDP",
109         [6][1] = "DBGU0",
110         [7][1] = "DCE",
111         [8][1] = "DCEDWB0",
112         [9][1] = "DCEDWB1",
113         [26][1] = "OSS",
114         [27][1] = "SDMA0",
115 };
116
117 static const char *mmhub_client_ids_renoir[][2] = {
118         [0][0] = "MP1",
119         [1][0] = "MP0",
120         [2][0] = "HDP",
121         [4][0] = "DCEDMC",
122         [5][0] = "DCEVGA",
123         [13][0] = "UTCL2",
124         [19][0] = "TLS",
125         [26][0] = "OSS",
126         [27][0] = "SDMA0",
127         [28][0] = "VCN",
128         [29][0] = "VCNU",
129         [30][0] = "JPEG",
130         [0][1] = "MP1",
131         [1][1] = "MP0",
132         [2][1] = "HDP",
133         [3][1] = "XDP",
134         [6][1] = "DBGU0",
135         [7][1] = "DCEDMC",
136         [8][1] = "DCEVGA",
137         [9][1] = "DCEDWB",
138         [26][1] = "OSS",
139         [27][1] = "SDMA0",
140         [28][1] = "VCN",
141         [29][1] = "VCNU",
142         [30][1] = "JPEG",
143 };
144
145 static const char *mmhub_client_ids_vega10[][2] = {
146         [0][0] = "MP0",
147         [1][0] = "UVD",
148         [2][0] = "UVDU",
149         [3][0] = "HDP",
150         [13][0] = "UTCL2",
151         [14][0] = "OSS",
152         [15][0] = "SDMA1",
153         [32+0][0] = "VCE0",
154         [32+1][0] = "VCE0U",
155         [32+2][0] = "XDMA",
156         [32+3][0] = "DCE",
157         [32+4][0] = "MP1",
158         [32+14][0] = "SDMA0",
159         [0][1] = "MP0",
160         [1][1] = "UVD",
161         [2][1] = "UVDU",
162         [3][1] = "DBGU0",
163         [4][1] = "HDP",
164         [5][1] = "XDP",
165         [14][1] = "OSS",
166         [15][1] = "SDMA0",
167         [32+0][1] = "VCE0",
168         [32+1][1] = "VCE0U",
169         [32+2][1] = "XDMA",
170         [32+3][1] = "DCE",
171         [32+4][1] = "DCEDWB",
172         [32+5][1] = "MP1",
173         [32+6][1] = "DBGU1",
174         [32+14][1] = "SDMA1",
175 };
176
177 static const char *mmhub_client_ids_vega12[][2] = {
178         [0][0] = "MP0",
179         [1][0] = "VCE0",
180         [2][0] = "VCE0U",
181         [3][0] = "HDP",
182         [13][0] = "UTCL2",
183         [14][0] = "OSS",
184         [15][0] = "SDMA1",
185         [32+0][0] = "DCE",
186         [32+1][0] = "XDMA",
187         [32+2][0] = "UVD",
188         [32+3][0] = "UVDU",
189         [32+4][0] = "MP1",
190         [32+15][0] = "SDMA0",
191         [0][1] = "MP0",
192         [1][1] = "VCE0",
193         [2][1] = "VCE0U",
194         [3][1] = "DBGU0",
195         [4][1] = "HDP",
196         [5][1] = "XDP",
197         [14][1] = "OSS",
198         [15][1] = "SDMA0",
199         [32+0][1] = "DCE",
200         [32+1][1] = "DCEDWB",
201         [32+2][1] = "XDMA",
202         [32+3][1] = "UVD",
203         [32+4][1] = "UVDU",
204         [32+5][1] = "MP1",
205         [32+6][1] = "DBGU1",
206         [32+15][1] = "SDMA1",
207 };
208
209 static const char *mmhub_client_ids_vega20[][2] = {
210         [0][0] = "XDMA",
211         [1][0] = "DCE",
212         [2][0] = "VCE0",
213         [3][0] = "VCE0U",
214         [4][0] = "UVD",
215         [5][0] = "UVD1U",
216         [13][0] = "OSS",
217         [14][0] = "HDP",
218         [15][0] = "SDMA0",
219         [32+0][0] = "UVD",
220         [32+1][0] = "UVDU",
221         [32+2][0] = "MP1",
222         [32+3][0] = "MP0",
223         [32+12][0] = "UTCL2",
224         [32+14][0] = "SDMA1",
225         [0][1] = "XDMA",
226         [1][1] = "DCE",
227         [2][1] = "DCEDWB",
228         [3][1] = "VCE0",
229         [4][1] = "VCE0U",
230         [5][1] = "UVD1",
231         [6][1] = "UVD1U",
232         [7][1] = "DBGU0",
233         [8][1] = "XDP",
234         [13][1] = "OSS",
235         [14][1] = "HDP",
236         [15][1] = "SDMA0",
237         [32+0][1] = "UVD",
238         [32+1][1] = "UVDU",
239         [32+2][1] = "DBGU1",
240         [32+3][1] = "MP1",
241         [32+4][1] = "MP0",
242         [32+14][1] = "SDMA1",
243 };
244
245 static const char *mmhub_client_ids_arcturus[][2] = {
246         [0][0] = "DBGU1",
247         [1][0] = "XDP",
248         [2][0] = "MP1",
249         [14][0] = "HDP",
250         [171][0] = "JPEG",
251         [172][0] = "VCN",
252         [173][0] = "VCNU",
253         [203][0] = "JPEG1",
254         [204][0] = "VCN1",
255         [205][0] = "VCN1U",
256         [256][0] = "SDMA0",
257         [257][0] = "SDMA1",
258         [258][0] = "SDMA2",
259         [259][0] = "SDMA3",
260         [260][0] = "SDMA4",
261         [261][0] = "SDMA5",
262         [262][0] = "SDMA6",
263         [263][0] = "SDMA7",
264         [384][0] = "OSS",
265         [0][1] = "DBGU1",
266         [1][1] = "XDP",
267         [2][1] = "MP1",
268         [14][1] = "HDP",
269         [171][1] = "JPEG",
270         [172][1] = "VCN",
271         [173][1] = "VCNU",
272         [203][1] = "JPEG1",
273         [204][1] = "VCN1",
274         [205][1] = "VCN1U",
275         [256][1] = "SDMA0",
276         [257][1] = "SDMA1",
277         [258][1] = "SDMA2",
278         [259][1] = "SDMA3",
279         [260][1] = "SDMA4",
280         [261][1] = "SDMA5",
281         [262][1] = "SDMA6",
282         [263][1] = "SDMA7",
283         [384][1] = "OSS",
284 };
285
286 static const char *mmhub_client_ids_aldebaran[][2] = {
287         [2][0] = "MP1",
288         [3][0] = "MP0",
289         [32+1][0] = "DBGU_IO0",
290         [32+2][0] = "DBGU_IO2",
291         [32+4][0] = "MPIO",
292         [96+11][0] = "JPEG0",
293         [96+12][0] = "VCN0",
294         [96+13][0] = "VCNU0",
295         [128+11][0] = "JPEG1",
296         [128+12][0] = "VCN1",
297         [128+13][0] = "VCNU1",
298         [160+1][0] = "XDP",
299         [160+14][0] = "HDP",
300         [256+0][0] = "SDMA0",
301         [256+1][0] = "SDMA1",
302         [256+2][0] = "SDMA2",
303         [256+3][0] = "SDMA3",
304         [256+4][0] = "SDMA4",
305         [384+0][0] = "OSS",
306         [2][1] = "MP1",
307         [3][1] = "MP0",
308         [32+1][1] = "DBGU_IO0",
309         [32+2][1] = "DBGU_IO2",
310         [32+4][1] = "MPIO",
311         [96+11][1] = "JPEG0",
312         [96+12][1] = "VCN0",
313         [96+13][1] = "VCNU0",
314         [128+11][1] = "JPEG1",
315         [128+12][1] = "VCN1",
316         [128+13][1] = "VCNU1",
317         [160+1][1] = "XDP",
318         [160+14][1] = "HDP",
319         [256+0][1] = "SDMA0",
320         [256+1][1] = "SDMA1",
321         [256+2][1] = "SDMA2",
322         [256+3][1] = "SDMA3",
323         [256+4][1] = "SDMA4",
324         [384+0][1] = "OSS",
325 };
326
327 static const struct soc15_reg_golden golden_settings_mmhub_1_0_0[] =
328 {
329         SOC15_REG_GOLDEN_VALUE(MMHUB, 0, mmDAGB1_WRCLI2, 0x00000007, 0xfe5fe0fa),
330         SOC15_REG_GOLDEN_VALUE(MMHUB, 0, mmMMEA1_DRAM_WR_CLI2GRP_MAP0, 0x00000030, 0x55555565)
331 };
332
333 static const struct soc15_reg_golden golden_settings_athub_1_0_0[] =
334 {
335         SOC15_REG_GOLDEN_VALUE(ATHUB, 0, mmRPB_ARB_CNTL, 0x0000ff00, 0x00000800),
336         SOC15_REG_GOLDEN_VALUE(ATHUB, 0, mmRPB_ARB_CNTL2, 0x00ff00ff, 0x00080008)
337 };
338
339 static const uint32_t ecc_umc_mcumc_ctrl_addrs[] = {
340         (0x000143c0 + 0x00000000),
341         (0x000143c0 + 0x00000800),
342         (0x000143c0 + 0x00001000),
343         (0x000143c0 + 0x00001800),
344         (0x000543c0 + 0x00000000),
345         (0x000543c0 + 0x00000800),
346         (0x000543c0 + 0x00001000),
347         (0x000543c0 + 0x00001800),
348         (0x000943c0 + 0x00000000),
349         (0x000943c0 + 0x00000800),
350         (0x000943c0 + 0x00001000),
351         (0x000943c0 + 0x00001800),
352         (0x000d43c0 + 0x00000000),
353         (0x000d43c0 + 0x00000800),
354         (0x000d43c0 + 0x00001000),
355         (0x000d43c0 + 0x00001800),
356         (0x001143c0 + 0x00000000),
357         (0x001143c0 + 0x00000800),
358         (0x001143c0 + 0x00001000),
359         (0x001143c0 + 0x00001800),
360         (0x001543c0 + 0x00000000),
361         (0x001543c0 + 0x00000800),
362         (0x001543c0 + 0x00001000),
363         (0x001543c0 + 0x00001800),
364         (0x001943c0 + 0x00000000),
365         (0x001943c0 + 0x00000800),
366         (0x001943c0 + 0x00001000),
367         (0x001943c0 + 0x00001800),
368         (0x001d43c0 + 0x00000000),
369         (0x001d43c0 + 0x00000800),
370         (0x001d43c0 + 0x00001000),
371         (0x001d43c0 + 0x00001800),
372 };
373
374 static const uint32_t ecc_umc_mcumc_ctrl_mask_addrs[] = {
375         (0x000143e0 + 0x00000000),
376         (0x000143e0 + 0x00000800),
377         (0x000143e0 + 0x00001000),
378         (0x000143e0 + 0x00001800),
379         (0x000543e0 + 0x00000000),
380         (0x000543e0 + 0x00000800),
381         (0x000543e0 + 0x00001000),
382         (0x000543e0 + 0x00001800),
383         (0x000943e0 + 0x00000000),
384         (0x000943e0 + 0x00000800),
385         (0x000943e0 + 0x00001000),
386         (0x000943e0 + 0x00001800),
387         (0x000d43e0 + 0x00000000),
388         (0x000d43e0 + 0x00000800),
389         (0x000d43e0 + 0x00001000),
390         (0x000d43e0 + 0x00001800),
391         (0x001143e0 + 0x00000000),
392         (0x001143e0 + 0x00000800),
393         (0x001143e0 + 0x00001000),
394         (0x001143e0 + 0x00001800),
395         (0x001543e0 + 0x00000000),
396         (0x001543e0 + 0x00000800),
397         (0x001543e0 + 0x00001000),
398         (0x001543e0 + 0x00001800),
399         (0x001943e0 + 0x00000000),
400         (0x001943e0 + 0x00000800),
401         (0x001943e0 + 0x00001000),
402         (0x001943e0 + 0x00001800),
403         (0x001d43e0 + 0x00000000),
404         (0x001d43e0 + 0x00000800),
405         (0x001d43e0 + 0x00001000),
406         (0x001d43e0 + 0x00001800),
407 };
408
409 static int gmc_v9_0_ecc_interrupt_state(struct amdgpu_device *adev,
410                 struct amdgpu_irq_src *src,
411                 unsigned type,
412                 enum amdgpu_interrupt_state state)
413 {
414         u32 bits, i, tmp, reg;
415
416         /* Devices newer then VEGA10/12 shall have these programming
417              sequences performed by PSP BL */
418         if (adev->asic_type >= CHIP_VEGA20)
419                 return 0;
420
421         bits = 0x7f;
422
423         switch (state) {
424         case AMDGPU_IRQ_STATE_DISABLE:
425                 for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_addrs); i++) {
426                         reg = ecc_umc_mcumc_ctrl_addrs[i];
427                         tmp = RREG32(reg);
428                         tmp &= ~bits;
429                         WREG32(reg, tmp);
430                 }
431                 for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_mask_addrs); i++) {
432                         reg = ecc_umc_mcumc_ctrl_mask_addrs[i];
433                         tmp = RREG32(reg);
434                         tmp &= ~bits;
435                         WREG32(reg, tmp);
436                 }
437                 break;
438         case AMDGPU_IRQ_STATE_ENABLE:
439                 for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_addrs); i++) {
440                         reg = ecc_umc_mcumc_ctrl_addrs[i];
441                         tmp = RREG32(reg);
442                         tmp |= bits;
443                         WREG32(reg, tmp);
444                 }
445                 for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_mask_addrs); i++) {
446                         reg = ecc_umc_mcumc_ctrl_mask_addrs[i];
447                         tmp = RREG32(reg);
448                         tmp |= bits;
449                         WREG32(reg, tmp);
450                 }
451                 break;
452         default:
453                 break;
454         }
455
456         return 0;
457 }
458
459 static int gmc_v9_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
460                                         struct amdgpu_irq_src *src,
461                                         unsigned type,
462                                         enum amdgpu_interrupt_state state)
463 {
464         struct amdgpu_vmhub *hub;
465         u32 tmp, reg, bits, i, j;
466
467         bits = VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
468                 VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
469                 VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
470                 VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
471                 VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
472                 VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
473                 VM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK;
474
475         switch (state) {
476         case AMDGPU_IRQ_STATE_DISABLE:
477                 for (j = 0; j < adev->num_vmhubs; j++) {
478                         hub = &adev->vmhub[j];
479                         for (i = 0; i < 16; i++) {
480                                 reg = hub->vm_context0_cntl + i;
481                                 tmp = RREG32(reg);
482                                 tmp &= ~bits;
483                                 WREG32(reg, tmp);
484                         }
485                 }
486                 break;
487         case AMDGPU_IRQ_STATE_ENABLE:
488                 for (j = 0; j < adev->num_vmhubs; j++) {
489                         hub = &adev->vmhub[j];
490                         for (i = 0; i < 16; i++) {
491                                 reg = hub->vm_context0_cntl + i;
492                                 tmp = RREG32(reg);
493                                 tmp |= bits;
494                                 WREG32(reg, tmp);
495                         }
496                 }
497                 break;
498         default:
499                 break;
500         }
501
502         return 0;
503 }
504
505 static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev,
506                                       struct amdgpu_irq_src *source,
507                                       struct amdgpu_iv_entry *entry)
508 {
509         bool retry_fault = !!(entry->src_data[1] & 0x80);
510         bool write_fault = !!(entry->src_data[1] & 0x20);
511         uint32_t status = 0, cid = 0, rw = 0;
512         struct amdgpu_task_info task_info;
513         struct amdgpu_vmhub *hub;
514         const char *mmhub_cid;
515         const char *hub_name;
516         u64 addr;
517
518         addr = (u64)entry->src_data[0] << 12;
519         addr |= ((u64)entry->src_data[1] & 0xf) << 44;
520
521         if (retry_fault) {
522                 /* Returning 1 here also prevents sending the IV to the KFD */
523
524                 /* Process it onyl if it's the first fault for this address */
525                 if (entry->ih != &adev->irq.ih_soft &&
526                     amdgpu_gmc_filter_faults(adev, addr, entry->pasid,
527                                              entry->timestamp))
528                         return 1;
529
530                 /* Delegate it to a different ring if the hardware hasn't
531                  * already done it.
532                  */
533                 if (entry->ih == &adev->irq.ih) {
534                         amdgpu_irq_delegate(adev, entry, 8);
535                         return 1;
536                 }
537
538                 /* Try to handle the recoverable page faults by filling page
539                  * tables
540                  */
541                 if (amdgpu_vm_handle_fault(adev, entry->pasid, addr, write_fault))
542                         return 1;
543         }
544
545         if (!printk_ratelimit())
546                 return 0;
547
548         if (entry->client_id == SOC15_IH_CLIENTID_VMC) {
549                 hub_name = "mmhub0";
550                 hub = &adev->vmhub[AMDGPU_MMHUB_0];
551         } else if (entry->client_id == SOC15_IH_CLIENTID_VMC1) {
552                 hub_name = "mmhub1";
553                 hub = &adev->vmhub[AMDGPU_MMHUB_1];
554         } else {
555                 hub_name = "gfxhub0";
556                 hub = &adev->vmhub[AMDGPU_GFXHUB_0];
557         }
558
559         memset(&task_info, 0, sizeof(struct amdgpu_task_info));
560         amdgpu_vm_get_task_info(adev, entry->pasid, &task_info);
561
562         dev_err(adev->dev,
563                 "[%s] %s page fault (src_id:%u ring:%u vmid:%u "
564                 "pasid:%u, for process %s pid %d thread %s pid %d)\n",
565                 hub_name, retry_fault ? "retry" : "no-retry",
566                 entry->src_id, entry->ring_id, entry->vmid,
567                 entry->pasid, task_info.process_name, task_info.tgid,
568                 task_info.task_name, task_info.pid);
569         dev_err(adev->dev, "  in page starting at address 0x%016llx from IH client 0x%x (%s)\n",
570                 addr, entry->client_id,
571                 soc15_ih_clientid_name[entry->client_id]);
572
573         if (amdgpu_sriov_vf(adev))
574                 return 0;
575
576         /*
577          * Issue a dummy read to wait for the status register to
578          * be updated to avoid reading an incorrect value due to
579          * the new fast GRBM interface.
580          */
581         if ((entry->vmid_src == AMDGPU_GFXHUB_0) &&
582             (adev->asic_type < CHIP_ALDEBARAN))
583                 RREG32(hub->vm_l2_pro_fault_status);
584
585         status = RREG32(hub->vm_l2_pro_fault_status);
586         cid = REG_GET_FIELD(status, VM_L2_PROTECTION_FAULT_STATUS, CID);
587         rw = REG_GET_FIELD(status, VM_L2_PROTECTION_FAULT_STATUS, RW);
588         WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1);
589
590
591         dev_err(adev->dev,
592                 "VM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
593                 status);
594         if (hub == &adev->vmhub[AMDGPU_GFXHUB_0]) {
595                 dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",
596                         cid >= ARRAY_SIZE(gfxhub_client_ids) ? "unknown" :
597                         gfxhub_client_ids[cid],
598                         cid);
599         } else {
600                 switch (adev->asic_type) {
601                 case CHIP_VEGA10:
602                         mmhub_cid = mmhub_client_ids_vega10[cid][rw];
603                         break;
604                 case CHIP_VEGA12:
605                         mmhub_cid = mmhub_client_ids_vega12[cid][rw];
606                         break;
607                 case CHIP_VEGA20:
608                         mmhub_cid = mmhub_client_ids_vega20[cid][rw];
609                         break;
610                 case CHIP_ARCTURUS:
611                         mmhub_cid = mmhub_client_ids_arcturus[cid][rw];
612                         break;
613                 case CHIP_RAVEN:
614                         mmhub_cid = mmhub_client_ids_raven[cid][rw];
615                         break;
616                 case CHIP_RENOIR:
617                         mmhub_cid = mmhub_client_ids_renoir[cid][rw];
618                         break;
619                 case CHIP_ALDEBARAN:
620                         mmhub_cid = mmhub_client_ids_aldebaran[cid][rw];
621                         break;
622                 default:
623                         mmhub_cid = NULL;
624                         break;
625                 }
626                 dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",
627                         mmhub_cid ? mmhub_cid : "unknown", cid);
628         }
629         dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",
630                 REG_GET_FIELD(status,
631                 VM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));
632         dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n",
633                 REG_GET_FIELD(status,
634                 VM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR));
635         dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n",
636                 REG_GET_FIELD(status,
637                 VM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS));
638         dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n",
639                 REG_GET_FIELD(status,
640                 VM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR));
641         dev_err(adev->dev, "\t RW: 0x%x\n", rw);
642         return 0;
643 }
644
645 static const struct amdgpu_irq_src_funcs gmc_v9_0_irq_funcs = {
646         .set = gmc_v9_0_vm_fault_interrupt_state,
647         .process = gmc_v9_0_process_interrupt,
648 };
649
650
651 static const struct amdgpu_irq_src_funcs gmc_v9_0_ecc_funcs = {
652         .set = gmc_v9_0_ecc_interrupt_state,
653         .process = amdgpu_umc_process_ecc_irq,
654 };
655
656 static void gmc_v9_0_set_irq_funcs(struct amdgpu_device *adev)
657 {
658         adev->gmc.vm_fault.num_types = 1;
659         adev->gmc.vm_fault.funcs = &gmc_v9_0_irq_funcs;
660
661         if (!amdgpu_sriov_vf(adev) &&
662             !adev->gmc.xgmi.connected_to_cpu) {
663                 adev->gmc.ecc_irq.num_types = 1;
664                 adev->gmc.ecc_irq.funcs = &gmc_v9_0_ecc_funcs;
665         }
666 }
667
668 static uint32_t gmc_v9_0_get_invalidate_req(unsigned int vmid,
669                                         uint32_t flush_type)
670 {
671         u32 req = 0;
672
673         req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
674                             PER_VMID_INVALIDATE_REQ, 1 << vmid);
675         req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type);
676         req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1);
677         req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1);
678         req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1);
679         req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1);
680         req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1);
681         req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
682                             CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0);
683
684         return req;
685 }
686
687 /**
688  * gmc_v9_0_use_invalidate_semaphore - judge whether to use semaphore
689  *
690  * @adev: amdgpu_device pointer
691  * @vmhub: vmhub type
692  *
693  */
694 static bool gmc_v9_0_use_invalidate_semaphore(struct amdgpu_device *adev,
695                                        uint32_t vmhub)
696 {
697         if (adev->asic_type == CHIP_ALDEBARAN)
698                 return false;
699
700         return ((vmhub == AMDGPU_MMHUB_0 ||
701                  vmhub == AMDGPU_MMHUB_1) &&
702                 (!amdgpu_sriov_vf(adev)) &&
703                 (!(!(adev->apu_flags & AMD_APU_IS_RAVEN2) &&
704                    (adev->apu_flags & AMD_APU_IS_PICASSO))));
705 }
706
707 static bool gmc_v9_0_get_atc_vmid_pasid_mapping_info(struct amdgpu_device *adev,
708                                         uint8_t vmid, uint16_t *p_pasid)
709 {
710         uint32_t value;
711
712         value = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING)
713                      + vmid);
714         *p_pasid = value & ATC_VMID0_PASID_MAPPING__PASID_MASK;
715
716         return !!(value & ATC_VMID0_PASID_MAPPING__VALID_MASK);
717 }
718
719 /*
720  * GART
721  * VMID 0 is the physical GPU addresses as used by the kernel.
722  * VMIDs 1-15 are used for userspace clients and are handled
723  * by the amdgpu vm/hsa code.
724  */
725
726 /**
727  * gmc_v9_0_flush_gpu_tlb - tlb flush with certain type
728  *
729  * @adev: amdgpu_device pointer
730  * @vmid: vm instance to flush
731  * @vmhub: which hub to flush
732  * @flush_type: the flush type
733  *
734  * Flush the TLB for the requested page table using certain type.
735  */
736 static void gmc_v9_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
737                                         uint32_t vmhub, uint32_t flush_type)
738 {
739         bool use_semaphore = gmc_v9_0_use_invalidate_semaphore(adev, vmhub);
740         const unsigned eng = 17;
741         u32 j, inv_req, inv_req2, tmp;
742         struct amdgpu_vmhub *hub;
743
744         BUG_ON(vmhub >= adev->num_vmhubs);
745
746         hub = &adev->vmhub[vmhub];
747         if (adev->gmc.xgmi.num_physical_nodes &&
748             adev->asic_type == CHIP_VEGA20) {
749                 /* Vega20+XGMI caches PTEs in TC and TLB. Add a
750                  * heavy-weight TLB flush (type 2), which flushes
751                  * both. Due to a race condition with concurrent
752                  * memory accesses using the same TLB cache line, we
753                  * still need a second TLB flush after this.
754                  */
755                 inv_req = gmc_v9_0_get_invalidate_req(vmid, 2);
756                 inv_req2 = gmc_v9_0_get_invalidate_req(vmid, flush_type);
757         } else {
758                 inv_req = gmc_v9_0_get_invalidate_req(vmid, flush_type);
759                 inv_req2 = 0;
760         }
761
762         /* This is necessary for a HW workaround under SRIOV as well
763          * as GFXOFF under bare metal
764          */
765         if (adev->gfx.kiq.ring.sched.ready &&
766             (amdgpu_sriov_runtime(adev) || !amdgpu_sriov_vf(adev)) &&
767             down_read_trylock(&adev->reset_sem)) {
768                 uint32_t req = hub->vm_inv_eng0_req + hub->eng_distance * eng;
769                 uint32_t ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng;
770
771                 amdgpu_virt_kiq_reg_write_reg_wait(adev, req, ack, inv_req,
772                                                    1 << vmid);
773                 up_read(&adev->reset_sem);
774                 return;
775         }
776
777         spin_lock(&adev->gmc.invalidate_lock);
778
779         /*
780          * It may lose gpuvm invalidate acknowldege state across power-gating
781          * off cycle, add semaphore acquire before invalidation and semaphore
782          * release after invalidation to avoid entering power gated state
783          * to WA the Issue
784          */
785
786         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
787         if (use_semaphore) {
788                 for (j = 0; j < adev->usec_timeout; j++) {
789                         /* a read return value of 1 means semaphore acuqire */
790                         tmp = RREG32_NO_KIQ(hub->vm_inv_eng0_sem +
791                                             hub->eng_distance * eng);
792                         if (tmp & 0x1)
793                                 break;
794                         udelay(1);
795                 }
796
797                 if (j >= adev->usec_timeout)
798                         DRM_ERROR("Timeout waiting for sem acquire in VM flush!\n");
799         }
800
801         do {
802                 WREG32_NO_KIQ(hub->vm_inv_eng0_req +
803                               hub->eng_distance * eng, inv_req);
804
805                 /*
806                  * Issue a dummy read to wait for the ACK register to
807                  * be cleared to avoid a false ACK due to the new fast
808                  * GRBM interface.
809                  */
810                 if ((vmhub == AMDGPU_GFXHUB_0) &&
811                     (adev->asic_type < CHIP_ALDEBARAN))
812                         RREG32_NO_KIQ(hub->vm_inv_eng0_req +
813                                       hub->eng_distance * eng);
814
815                 for (j = 0; j < adev->usec_timeout; j++) {
816                         tmp = RREG32_NO_KIQ(hub->vm_inv_eng0_ack +
817                                             hub->eng_distance * eng);
818                         if (tmp & (1 << vmid))
819                                 break;
820                         udelay(1);
821                 }
822
823                 inv_req = inv_req2;
824                 inv_req2 = 0;
825         } while (inv_req);
826
827         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
828         if (use_semaphore)
829                 /*
830                  * add semaphore release after invalidation,
831                  * write with 0 means semaphore release
832                  */
833                 WREG32_NO_KIQ(hub->vm_inv_eng0_sem +
834                               hub->eng_distance * eng, 0);
835
836         spin_unlock(&adev->gmc.invalidate_lock);
837
838         if (j < adev->usec_timeout)
839                 return;
840
841         DRM_ERROR("Timeout waiting for VM flush ACK!\n");
842 }
843
844 /**
845  * gmc_v9_0_flush_gpu_tlb_pasid - tlb flush via pasid
846  *
847  * @adev: amdgpu_device pointer
848  * @pasid: pasid to be flush
849  * @flush_type: the flush type
850  * @all_hub: flush all hubs
851  *
852  * Flush the TLB for the requested pasid.
853  */
854 static int gmc_v9_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
855                                         uint16_t pasid, uint32_t flush_type,
856                                         bool all_hub)
857 {
858         int vmid, i;
859         signed long r;
860         uint32_t seq;
861         uint16_t queried_pasid;
862         bool ret;
863         struct amdgpu_ring *ring = &adev->gfx.kiq.ring;
864         struct amdgpu_kiq *kiq = &adev->gfx.kiq;
865
866         if (amdgpu_in_reset(adev))
867                 return -EIO;
868
869         if (ring->sched.ready && down_read_trylock(&adev->reset_sem)) {
870                 /* Vega20+XGMI caches PTEs in TC and TLB. Add a
871                  * heavy-weight TLB flush (type 2), which flushes
872                  * both. Due to a race condition with concurrent
873                  * memory accesses using the same TLB cache line, we
874                  * still need a second TLB flush after this.
875                  */
876                 bool vega20_xgmi_wa = (adev->gmc.xgmi.num_physical_nodes &&
877                                        adev->asic_type == CHIP_VEGA20);
878                 /* 2 dwords flush + 8 dwords fence */
879                 unsigned int ndw = kiq->pmf->invalidate_tlbs_size + 8;
880
881                 if (vega20_xgmi_wa)
882                         ndw += kiq->pmf->invalidate_tlbs_size;
883
884                 spin_lock(&adev->gfx.kiq.ring_lock);
885                 /* 2 dwords flush + 8 dwords fence */
886                 amdgpu_ring_alloc(ring, ndw);
887                 if (vega20_xgmi_wa)
888                         kiq->pmf->kiq_invalidate_tlbs(ring,
889                                                       pasid, 2, all_hub);
890                 kiq->pmf->kiq_invalidate_tlbs(ring,
891                                         pasid, flush_type, all_hub);
892                 r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
893                 if (r) {
894                         amdgpu_ring_undo(ring);
895                         spin_unlock(&adev->gfx.kiq.ring_lock);
896                         up_read(&adev->reset_sem);
897                         return -ETIME;
898                 }
899
900                 amdgpu_ring_commit(ring);
901                 spin_unlock(&adev->gfx.kiq.ring_lock);
902                 r = amdgpu_fence_wait_polling(ring, seq, adev->usec_timeout);
903                 if (r < 1) {
904                         dev_err(adev->dev, "wait for kiq fence error: %ld.\n", r);
905                         up_read(&adev->reset_sem);
906                         return -ETIME;
907                 }
908                 up_read(&adev->reset_sem);
909                 return 0;
910         }
911
912         for (vmid = 1; vmid < 16; vmid++) {
913
914                 ret = gmc_v9_0_get_atc_vmid_pasid_mapping_info(adev, vmid,
915                                 &queried_pasid);
916                 if (ret && queried_pasid == pasid) {
917                         if (all_hub) {
918                                 for (i = 0; i < adev->num_vmhubs; i++)
919                                         gmc_v9_0_flush_gpu_tlb(adev, vmid,
920                                                         i, flush_type);
921                         } else {
922                                 gmc_v9_0_flush_gpu_tlb(adev, vmid,
923                                                 AMDGPU_GFXHUB_0, flush_type);
924                         }
925                         break;
926                 }
927         }
928
929         return 0;
930
931 }
932
933 static uint64_t gmc_v9_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
934                                             unsigned vmid, uint64_t pd_addr)
935 {
936         bool use_semaphore = gmc_v9_0_use_invalidate_semaphore(ring->adev, ring->funcs->vmhub);
937         struct amdgpu_device *adev = ring->adev;
938         struct amdgpu_vmhub *hub = &adev->vmhub[ring->funcs->vmhub];
939         uint32_t req = gmc_v9_0_get_invalidate_req(vmid, 0);
940         unsigned eng = ring->vm_inv_eng;
941
942         /*
943          * It may lose gpuvm invalidate acknowldege state across power-gating
944          * off cycle, add semaphore acquire before invalidation and semaphore
945          * release after invalidation to avoid entering power gated state
946          * to WA the Issue
947          */
948
949         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
950         if (use_semaphore)
951                 /* a read return value of 1 means semaphore acuqire */
952                 amdgpu_ring_emit_reg_wait(ring,
953                                           hub->vm_inv_eng0_sem +
954                                           hub->eng_distance * eng, 0x1, 0x1);
955
956         amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_lo32 +
957                               (hub->ctx_addr_distance * vmid),
958                               lower_32_bits(pd_addr));
959
960         amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 +
961                               (hub->ctx_addr_distance * vmid),
962                               upper_32_bits(pd_addr));
963
964         amdgpu_ring_emit_reg_write_reg_wait(ring, hub->vm_inv_eng0_req +
965                                             hub->eng_distance * eng,
966                                             hub->vm_inv_eng0_ack +
967                                             hub->eng_distance * eng,
968                                             req, 1 << vmid);
969
970         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
971         if (use_semaphore)
972                 /*
973                  * add semaphore release after invalidation,
974                  * write with 0 means semaphore release
975                  */
976                 amdgpu_ring_emit_wreg(ring, hub->vm_inv_eng0_sem +
977                                       hub->eng_distance * eng, 0);
978
979         return pd_addr;
980 }
981
982 static void gmc_v9_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid,
983                                         unsigned pasid)
984 {
985         struct amdgpu_device *adev = ring->adev;
986         uint32_t reg;
987
988         /* Do nothing because there's no lut register for mmhub1. */
989         if (ring->funcs->vmhub == AMDGPU_MMHUB_1)
990                 return;
991
992         if (ring->funcs->vmhub == AMDGPU_GFXHUB_0)
993                 reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT) + vmid;
994         else
995                 reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT_MM) + vmid;
996
997         amdgpu_ring_emit_wreg(ring, reg, pasid);
998 }
999
1000 /*
1001  * PTE format on VEGA 10:
1002  * 63:59 reserved
1003  * 58:57 mtype
1004  * 56 F
1005  * 55 L
1006  * 54 P
1007  * 53 SW
1008  * 52 T
1009  * 50:48 reserved
1010  * 47:12 4k physical page base address
1011  * 11:7 fragment
1012  * 6 write
1013  * 5 read
1014  * 4 exe
1015  * 3 Z
1016  * 2 snooped
1017  * 1 system
1018  * 0 valid
1019  *
1020  * PDE format on VEGA 10:
1021  * 63:59 block fragment size
1022  * 58:55 reserved
1023  * 54 P
1024  * 53:48 reserved
1025  * 47:6 physical base address of PD or PTE
1026  * 5:3 reserved
1027  * 2 C
1028  * 1 system
1029  * 0 valid
1030  */
1031
1032 static uint64_t gmc_v9_0_map_mtype(struct amdgpu_device *adev, uint32_t flags)
1033
1034 {
1035         switch (flags) {
1036         case AMDGPU_VM_MTYPE_DEFAULT:
1037                 return AMDGPU_PTE_MTYPE_VG10(MTYPE_NC);
1038         case AMDGPU_VM_MTYPE_NC:
1039                 return AMDGPU_PTE_MTYPE_VG10(MTYPE_NC);
1040         case AMDGPU_VM_MTYPE_WC:
1041                 return AMDGPU_PTE_MTYPE_VG10(MTYPE_WC);
1042         case AMDGPU_VM_MTYPE_RW:
1043                 return AMDGPU_PTE_MTYPE_VG10(MTYPE_RW);
1044         case AMDGPU_VM_MTYPE_CC:
1045                 return AMDGPU_PTE_MTYPE_VG10(MTYPE_CC);
1046         case AMDGPU_VM_MTYPE_UC:
1047                 return AMDGPU_PTE_MTYPE_VG10(MTYPE_UC);
1048         default:
1049                 return AMDGPU_PTE_MTYPE_VG10(MTYPE_NC);
1050         }
1051 }
1052
1053 static void gmc_v9_0_get_vm_pde(struct amdgpu_device *adev, int level,
1054                                 uint64_t *addr, uint64_t *flags)
1055 {
1056         if (!(*flags & AMDGPU_PDE_PTE) && !(*flags & AMDGPU_PTE_SYSTEM))
1057                 *addr = amdgpu_gmc_vram_mc2pa(adev, *addr);
1058         BUG_ON(*addr & 0xFFFF00000000003FULL);
1059
1060         if (!adev->gmc.translate_further)
1061                 return;
1062
1063         if (level == AMDGPU_VM_PDB1) {
1064                 /* Set the block fragment size */
1065                 if (!(*flags & AMDGPU_PDE_PTE))
1066                         *flags |= AMDGPU_PDE_BFS(0x9);
1067
1068         } else if (level == AMDGPU_VM_PDB0) {
1069                 if (*flags & AMDGPU_PDE_PTE)
1070                         *flags &= ~AMDGPU_PDE_PTE;
1071                 else
1072                         *flags |= AMDGPU_PTE_TF;
1073         }
1074 }
1075
1076 static void gmc_v9_0_get_vm_pte(struct amdgpu_device *adev,
1077                                 struct amdgpu_bo_va_mapping *mapping,
1078                                 uint64_t *flags)
1079 {
1080         *flags &= ~AMDGPU_PTE_EXECUTABLE;
1081         *flags |= mapping->flags & AMDGPU_PTE_EXECUTABLE;
1082
1083         *flags &= ~AMDGPU_PTE_MTYPE_VG10_MASK;
1084         *flags |= mapping->flags & AMDGPU_PTE_MTYPE_VG10_MASK;
1085
1086         if (mapping->flags & AMDGPU_PTE_PRT) {
1087                 *flags |= AMDGPU_PTE_PRT;
1088                 *flags &= ~AMDGPU_PTE_VALID;
1089         }
1090
1091         if ((adev->asic_type == CHIP_ARCTURUS ||
1092             adev->asic_type == CHIP_ALDEBARAN) &&
1093             !(*flags & AMDGPU_PTE_SYSTEM) &&
1094             mapping->bo_va->is_xgmi)
1095                 *flags |= AMDGPU_PTE_SNOOPED;
1096
1097         if (adev->asic_type == CHIP_ALDEBARAN)
1098                 *flags |= mapping->flags & AMDGPU_PTE_SNOOPED;
1099 }
1100
1101 static unsigned gmc_v9_0_get_vbios_fb_size(struct amdgpu_device *adev)
1102 {
1103         u32 d1vga_control = RREG32_SOC15(DCE, 0, mmD1VGA_CONTROL);
1104         unsigned size;
1105
1106         if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) {
1107                 size = AMDGPU_VBIOS_VGA_ALLOCATION;
1108         } else {
1109                 u32 viewport;
1110
1111                 switch (adev->asic_type) {
1112                 case CHIP_RAVEN:
1113                 case CHIP_RENOIR:
1114                         viewport = RREG32_SOC15(DCE, 0, mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION);
1115                         size = (REG_GET_FIELD(viewport,
1116                                               HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) *
1117                                 REG_GET_FIELD(viewport,
1118                                               HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_WIDTH) *
1119                                 4);
1120                         break;
1121                 case CHIP_VEGA10:
1122                 case CHIP_VEGA12:
1123                 case CHIP_VEGA20:
1124                 default:
1125                         viewport = RREG32_SOC15(DCE, 0, mmSCL0_VIEWPORT_SIZE);
1126                         size = (REG_GET_FIELD(viewport, SCL0_VIEWPORT_SIZE, VIEWPORT_HEIGHT) *
1127                                 REG_GET_FIELD(viewport, SCL0_VIEWPORT_SIZE, VIEWPORT_WIDTH) *
1128                                 4);
1129                         break;
1130                 }
1131         }
1132
1133         return size;
1134 }
1135
1136 static const struct amdgpu_gmc_funcs gmc_v9_0_gmc_funcs = {
1137         .flush_gpu_tlb = gmc_v9_0_flush_gpu_tlb,
1138         .flush_gpu_tlb_pasid = gmc_v9_0_flush_gpu_tlb_pasid,
1139         .emit_flush_gpu_tlb = gmc_v9_0_emit_flush_gpu_tlb,
1140         .emit_pasid_mapping = gmc_v9_0_emit_pasid_mapping,
1141         .map_mtype = gmc_v9_0_map_mtype,
1142         .get_vm_pde = gmc_v9_0_get_vm_pde,
1143         .get_vm_pte = gmc_v9_0_get_vm_pte,
1144         .get_vbios_fb_size = gmc_v9_0_get_vbios_fb_size,
1145 };
1146
1147 static void gmc_v9_0_set_gmc_funcs(struct amdgpu_device *adev)
1148 {
1149         adev->gmc.gmc_funcs = &gmc_v9_0_gmc_funcs;
1150 }
1151
1152 static void gmc_v9_0_set_umc_funcs(struct amdgpu_device *adev)
1153 {
1154         switch (adev->asic_type) {
1155         case CHIP_VEGA10:
1156                 adev->umc.funcs = &umc_v6_0_funcs;
1157                 break;
1158         case CHIP_VEGA20:
1159                 adev->umc.max_ras_err_cnt_per_query = UMC_V6_1_TOTAL_CHANNEL_NUM;
1160                 adev->umc.channel_inst_num = UMC_V6_1_CHANNEL_INSTANCE_NUM;
1161                 adev->umc.umc_inst_num = UMC_V6_1_UMC_INSTANCE_NUM;
1162                 adev->umc.channel_offs = UMC_V6_1_PER_CHANNEL_OFFSET_VG20;
1163                 adev->umc.channel_idx_tbl = &umc_v6_1_channel_idx_tbl[0][0];
1164                 adev->umc.ras_funcs = &umc_v6_1_ras_funcs;
1165                 break;
1166         case CHIP_ARCTURUS:
1167                 adev->umc.max_ras_err_cnt_per_query = UMC_V6_1_TOTAL_CHANNEL_NUM;
1168                 adev->umc.channel_inst_num = UMC_V6_1_CHANNEL_INSTANCE_NUM;
1169                 adev->umc.umc_inst_num = UMC_V6_1_UMC_INSTANCE_NUM;
1170                 adev->umc.channel_offs = UMC_V6_1_PER_CHANNEL_OFFSET_ARCT;
1171                 adev->umc.channel_idx_tbl = &umc_v6_1_channel_idx_tbl[0][0];
1172                 adev->umc.ras_funcs = &umc_v6_1_ras_funcs;
1173                 break;
1174         case CHIP_ALDEBARAN:
1175                 adev->umc.max_ras_err_cnt_per_query = UMC_V6_7_TOTAL_CHANNEL_NUM;
1176                 adev->umc.channel_inst_num = UMC_V6_7_CHANNEL_INSTANCE_NUM;
1177                 adev->umc.umc_inst_num = UMC_V6_7_UMC_INSTANCE_NUM;
1178                 adev->umc.channel_offs = UMC_V6_7_PER_CHANNEL_OFFSET;
1179                 if (!adev->gmc.xgmi.connected_to_cpu)
1180                         adev->umc.ras_funcs = &umc_v6_7_ras_funcs;
1181                 if (1 & adev->smuio.funcs->get_die_id(adev))
1182                         adev->umc.channel_idx_tbl = &umc_v6_7_channel_idx_tbl_first[0][0];
1183                 else
1184                         adev->umc.channel_idx_tbl = &umc_v6_7_channel_idx_tbl_second[0][0];
1185                 break;
1186         default:
1187                 break;
1188         }
1189 }
1190
1191 static void gmc_v9_0_set_mmhub_funcs(struct amdgpu_device *adev)
1192 {
1193         switch (adev->asic_type) {
1194         case CHIP_ARCTURUS:
1195                 adev->mmhub.funcs = &mmhub_v9_4_funcs;
1196                 break;
1197         case CHIP_ALDEBARAN:
1198                 adev->mmhub.funcs = &mmhub_v1_7_funcs;
1199                 break;
1200         default:
1201                 adev->mmhub.funcs = &mmhub_v1_0_funcs;
1202                 break;
1203         }
1204 }
1205
1206 static void gmc_v9_0_set_mmhub_ras_funcs(struct amdgpu_device *adev)
1207 {
1208         switch (adev->asic_type) {
1209         case CHIP_VEGA20:
1210                 adev->mmhub.ras_funcs = &mmhub_v1_0_ras_funcs;
1211                 break;
1212         case CHIP_ARCTURUS:
1213                 adev->mmhub.ras_funcs = &mmhub_v9_4_ras_funcs;
1214                 break;
1215         case CHIP_ALDEBARAN:
1216                 adev->mmhub.ras_funcs = &mmhub_v1_7_ras_funcs;
1217                 break;
1218         default:
1219                 /* mmhub ras is not available */
1220                 break;
1221         }
1222 }
1223
1224 static void gmc_v9_0_set_gfxhub_funcs(struct amdgpu_device *adev)
1225 {
1226         adev->gfxhub.funcs = &gfxhub_v1_0_funcs;
1227 }
1228
1229 static void gmc_v9_0_set_hdp_ras_funcs(struct amdgpu_device *adev)
1230 {
1231         adev->hdp.ras_funcs = &hdp_v4_0_ras_funcs;
1232 }
1233
1234 static void gmc_v9_0_set_mca_funcs(struct amdgpu_device *adev)
1235 {
1236         switch (adev->asic_type) {
1237         case CHIP_ALDEBARAN:
1238                 if (!adev->gmc.xgmi.connected_to_cpu)
1239                         adev->mca.funcs = &mca_v3_0_funcs;
1240                 break;
1241         default:
1242                 break;
1243         }
1244 }
1245
1246 static int gmc_v9_0_early_init(void *handle)
1247 {
1248         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1249
1250         if (adev->asic_type == CHIP_VEGA20 ||
1251             adev->asic_type == CHIP_ARCTURUS)
1252                 adev->gmc.xgmi.supported = true;
1253
1254         if (adev->asic_type == CHIP_ALDEBARAN) {
1255                 adev->gmc.xgmi.supported = true;
1256                 adev->gmc.xgmi.connected_to_cpu =
1257                         adev->smuio.funcs->is_host_gpu_xgmi_supported(adev);
1258         }
1259
1260         gmc_v9_0_set_gmc_funcs(adev);
1261         gmc_v9_0_set_irq_funcs(adev);
1262         gmc_v9_0_set_umc_funcs(adev);
1263         gmc_v9_0_set_mmhub_funcs(adev);
1264         gmc_v9_0_set_mmhub_ras_funcs(adev);
1265         gmc_v9_0_set_gfxhub_funcs(adev);
1266         gmc_v9_0_set_hdp_ras_funcs(adev);
1267         gmc_v9_0_set_mca_funcs(adev);
1268
1269         adev->gmc.shared_aperture_start = 0x2000000000000000ULL;
1270         adev->gmc.shared_aperture_end =
1271                 adev->gmc.shared_aperture_start + (4ULL << 30) - 1;
1272         adev->gmc.private_aperture_start = 0x1000000000000000ULL;
1273         adev->gmc.private_aperture_end =
1274                 adev->gmc.private_aperture_start + (4ULL << 30) - 1;
1275
1276         return 0;
1277 }
1278
1279 static int gmc_v9_0_late_init(void *handle)
1280 {
1281         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1282         int r;
1283
1284         r = amdgpu_gmc_allocate_vm_inv_eng(adev);
1285         if (r)
1286                 return r;
1287
1288         /*
1289          * Workaround performance drop issue with VBIOS enables partial
1290          * writes, while disables HBM ECC for vega10.
1291          */
1292         if (!amdgpu_sriov_vf(adev) && (adev->asic_type == CHIP_VEGA10)) {
1293                 if (!(adev->ras_enabled & (1 << AMDGPU_RAS_BLOCK__UMC))) {
1294                         if (adev->df.funcs->enable_ecc_force_par_wr_rmw)
1295                                 adev->df.funcs->enable_ecc_force_par_wr_rmw(adev, false);
1296                 }
1297         }
1298
1299         if (!amdgpu_persistent_edc_harvesting_supported(adev)) {
1300                 if (adev->mmhub.ras_funcs &&
1301                     adev->mmhub.ras_funcs->reset_ras_error_count)
1302                         adev->mmhub.ras_funcs->reset_ras_error_count(adev);
1303
1304                 if (adev->hdp.ras_funcs &&
1305                     adev->hdp.ras_funcs->reset_ras_error_count)
1306                         adev->hdp.ras_funcs->reset_ras_error_count(adev);
1307         }
1308
1309         r = amdgpu_gmc_ras_late_init(adev);
1310         if (r)
1311                 return r;
1312
1313         return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0);
1314 }
1315
1316 static void gmc_v9_0_vram_gtt_location(struct amdgpu_device *adev,
1317                                         struct amdgpu_gmc *mc)
1318 {
1319         u64 base = adev->mmhub.funcs->get_fb_location(adev);
1320
1321         /* add the xgmi offset of the physical node */
1322         base += adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size;
1323         if (adev->gmc.xgmi.connected_to_cpu) {
1324                 amdgpu_gmc_sysvm_location(adev, mc);
1325         } else {
1326                 amdgpu_gmc_vram_location(adev, mc, base);
1327                 amdgpu_gmc_gart_location(adev, mc);
1328                 amdgpu_gmc_agp_location(adev, mc);
1329         }
1330         /* base offset of vram pages */
1331         adev->vm_manager.vram_base_offset = adev->gfxhub.funcs->get_mc_fb_offset(adev);
1332
1333         /* XXX: add the xgmi offset of the physical node? */
1334         adev->vm_manager.vram_base_offset +=
1335                 adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size;
1336 }
1337
1338 /**
1339  * gmc_v9_0_mc_init - initialize the memory controller driver params
1340  *
1341  * @adev: amdgpu_device pointer
1342  *
1343  * Look up the amount of vram, vram width, and decide how to place
1344  * vram and gart within the GPU's physical address space.
1345  * Returns 0 for success.
1346  */
1347 static int gmc_v9_0_mc_init(struct amdgpu_device *adev)
1348 {
1349         int r;
1350
1351         /* size in MB on si */
1352         adev->gmc.mc_vram_size =
1353                 adev->nbio.funcs->get_memsize(adev) * 1024ULL * 1024ULL;
1354         adev->gmc.real_vram_size = adev->gmc.mc_vram_size;
1355
1356         if (!(adev->flags & AMD_IS_APU) &&
1357             !adev->gmc.xgmi.connected_to_cpu) {
1358                 r = amdgpu_device_resize_fb_bar(adev);
1359                 if (r)
1360                         return r;
1361         }
1362         adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
1363         adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
1364
1365 #ifdef CONFIG_X86_64
1366         /*
1367          * AMD Accelerated Processing Platform (APP) supporting GPU-HOST xgmi
1368          * interface can use VRAM through here as it appears system reserved
1369          * memory in host address space.
1370          *
1371          * For APUs, VRAM is just the stolen system memory and can be accessed
1372          * directly.
1373          *
1374          * Otherwise, use the legacy Host Data Path (HDP) through PCIe BAR.
1375          */
1376
1377         /* check whether both host-gpu and gpu-gpu xgmi links exist */
1378         if ((adev->flags & AMD_IS_APU) ||
1379             (adev->gmc.xgmi.supported &&
1380              adev->gmc.xgmi.connected_to_cpu)) {
1381                 adev->gmc.aper_base =
1382                         adev->gfxhub.funcs->get_mc_fb_offset(adev) +
1383                         adev->gmc.xgmi.physical_node_id *
1384                         adev->gmc.xgmi.node_segment_size;
1385                 adev->gmc.aper_size = adev->gmc.real_vram_size;
1386         }
1387
1388 #endif
1389         /* In case the PCI BAR is larger than the actual amount of vram */
1390         adev->gmc.visible_vram_size = adev->gmc.aper_size;
1391         if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size)
1392                 adev->gmc.visible_vram_size = adev->gmc.real_vram_size;
1393
1394         /* set the gart size */
1395         if (amdgpu_gart_size == -1) {
1396                 switch (adev->asic_type) {
1397                 case CHIP_VEGA10:  /* all engines support GPUVM */
1398                 case CHIP_VEGA12:  /* all engines support GPUVM */
1399                 case CHIP_VEGA20:
1400                 case CHIP_ARCTURUS:
1401                 case CHIP_ALDEBARAN:
1402                 default:
1403                         adev->gmc.gart_size = 512ULL << 20;
1404                         break;
1405                 case CHIP_RAVEN:   /* DCE SG support */
1406                 case CHIP_RENOIR:
1407                         adev->gmc.gart_size = 1024ULL << 20;
1408                         break;
1409                 }
1410         } else {
1411                 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20;
1412         }
1413
1414         adev->gmc.gart_size += adev->pm.smu_prv_buffer_size;
1415
1416         gmc_v9_0_vram_gtt_location(adev, &adev->gmc);
1417
1418         return 0;
1419 }
1420
1421 static int gmc_v9_0_gart_init(struct amdgpu_device *adev)
1422 {
1423         int r;
1424
1425         if (adev->gart.bo) {
1426                 WARN(1, "VEGA10 PCIE GART already initialized\n");
1427                 return 0;
1428         }
1429
1430         if (adev->gmc.xgmi.connected_to_cpu) {
1431                 adev->gmc.vmid0_page_table_depth = 1;
1432                 adev->gmc.vmid0_page_table_block_size = 12;
1433         } else {
1434                 adev->gmc.vmid0_page_table_depth = 0;
1435                 adev->gmc.vmid0_page_table_block_size = 0;
1436         }
1437
1438         /* Initialize common gart structure */
1439         r = amdgpu_gart_init(adev);
1440         if (r)
1441                 return r;
1442         adev->gart.table_size = adev->gart.num_gpu_pages * 8;
1443         adev->gart.gart_pte_flags = AMDGPU_PTE_MTYPE_VG10(MTYPE_UC) |
1444                                  AMDGPU_PTE_EXECUTABLE;
1445
1446         r = amdgpu_gart_table_vram_alloc(adev);
1447         if (r)
1448                 return r;
1449
1450         if (adev->gmc.xgmi.connected_to_cpu) {
1451                 r = amdgpu_gmc_pdb0_alloc(adev);
1452         }
1453
1454         return r;
1455 }
1456
1457 /**
1458  * gmc_v9_0_save_registers - saves regs
1459  *
1460  * @adev: amdgpu_device pointer
1461  *
1462  * This saves potential register values that should be
1463  * restored upon resume
1464  */
1465 static void gmc_v9_0_save_registers(struct amdgpu_device *adev)
1466 {
1467         if (adev->asic_type == CHIP_RAVEN)
1468                 adev->gmc.sdpif_register = RREG32_SOC15(DCE, 0, mmDCHUBBUB_SDPIF_MMIO_CNTRL_0);
1469 }
1470
1471 static int gmc_v9_0_sw_init(void *handle)
1472 {
1473         int r, vram_width = 0, vram_type = 0, vram_vendor = 0;
1474         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1475
1476         adev->gfxhub.funcs->init(adev);
1477
1478         adev->mmhub.funcs->init(adev);
1479         if (adev->mca.funcs)
1480                 adev->mca.funcs->init(adev);
1481
1482         spin_lock_init(&adev->gmc.invalidate_lock);
1483
1484         r = amdgpu_atomfirmware_get_vram_info(adev,
1485                 &vram_width, &vram_type, &vram_vendor);
1486         if (amdgpu_sriov_vf(adev))
1487                 /* For Vega10 SR-IOV, vram_width can't be read from ATOM as RAVEN,
1488                  * and DF related registers is not readable, seems hardcord is the
1489                  * only way to set the correct vram_width
1490                  */
1491                 adev->gmc.vram_width = 2048;
1492         else if (amdgpu_emu_mode != 1)
1493                 adev->gmc.vram_width = vram_width;
1494
1495         if (!adev->gmc.vram_width) {
1496                 int chansize, numchan;
1497
1498                 /* hbm memory channel size */
1499                 if (adev->flags & AMD_IS_APU)
1500                         chansize = 64;
1501                 else
1502                         chansize = 128;
1503
1504                 numchan = adev->df.funcs->get_hbm_channel_number(adev);
1505                 adev->gmc.vram_width = numchan * chansize;
1506         }
1507
1508         adev->gmc.vram_type = vram_type;
1509         adev->gmc.vram_vendor = vram_vendor;
1510         switch (adev->asic_type) {
1511         case CHIP_RAVEN:
1512                 adev->num_vmhubs = 2;
1513
1514                 if (adev->rev_id == 0x0 || adev->rev_id == 0x1) {
1515                         amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
1516                 } else {
1517                         /* vm_size is 128TB + 512GB for legacy 3-level page support */
1518                         amdgpu_vm_adjust_size(adev, 128 * 1024 + 512, 9, 2, 48);
1519                         adev->gmc.translate_further =
1520                                 adev->vm_manager.num_level > 1;
1521                 }
1522                 break;
1523         case CHIP_VEGA10:
1524         case CHIP_VEGA12:
1525         case CHIP_VEGA20:
1526         case CHIP_RENOIR:
1527         case CHIP_ALDEBARAN:
1528                 adev->num_vmhubs = 2;
1529
1530
1531                 /*
1532                  * To fulfill 4-level page support,
1533                  * vm size is 256TB (48bit), maximum size of Vega10,
1534                  * block size 512 (9bit)
1535                  */
1536                 /* sriov restrict max_pfn below AMDGPU_GMC_HOLE */
1537                 if (amdgpu_sriov_vf(adev))
1538                         amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 47);
1539                 else
1540                         amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
1541                 break;
1542         case CHIP_ARCTURUS:
1543                 adev->num_vmhubs = 3;
1544
1545                 /* Keep the vm size same with Vega20 */
1546                 amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
1547                 break;
1548         default:
1549                 break;
1550         }
1551
1552         /* This interrupt is VMC page fault.*/
1553         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VMC, VMC_1_0__SRCID__VM_FAULT,
1554                                 &adev->gmc.vm_fault);
1555         if (r)
1556                 return r;
1557
1558         if (adev->asic_type == CHIP_ARCTURUS) {
1559                 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VMC1, VMC_1_0__SRCID__VM_FAULT,
1560                                         &adev->gmc.vm_fault);
1561                 if (r)
1562                         return r;
1563         }
1564
1565         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_UTCL2, UTCL2_1_0__SRCID__FAULT,
1566                                 &adev->gmc.vm_fault);
1567
1568         if (r)
1569                 return r;
1570
1571         if (!amdgpu_sriov_vf(adev) &&
1572             !adev->gmc.xgmi.connected_to_cpu) {
1573                 /* interrupt sent to DF. */
1574                 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DF, 0,
1575                                       &adev->gmc.ecc_irq);
1576                 if (r)
1577                         return r;
1578         }
1579
1580         /* Set the internal MC address mask
1581          * This is the max address of the GPU's
1582          * internal address space.
1583          */
1584         adev->gmc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */
1585
1586         r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(44));
1587         if (r) {
1588                 printk(KERN_WARNING "amdgpu: No suitable DMA available.\n");
1589                 return r;
1590         }
1591         adev->need_swiotlb = drm_need_swiotlb(44);
1592
1593         if (adev->gmc.xgmi.supported) {
1594                 r = adev->gfxhub.funcs->get_xgmi_info(adev);
1595                 if (r)
1596                         return r;
1597         }
1598
1599         r = gmc_v9_0_mc_init(adev);
1600         if (r)
1601                 return r;
1602
1603         amdgpu_gmc_get_vbios_allocations(adev);
1604
1605         /* Memory manager */
1606         r = amdgpu_bo_init(adev);
1607         if (r)
1608                 return r;
1609
1610         r = gmc_v9_0_gart_init(adev);
1611         if (r)
1612                 return r;
1613
1614         /*
1615          * number of VMs
1616          * VMID 0 is reserved for System
1617          * amdgpu graphics/compute will use VMIDs 1..n-1
1618          * amdkfd will use VMIDs n..15
1619          *
1620          * The first KFD VMID is 8 for GPUs with graphics, 3 for
1621          * compute-only GPUs. On compute-only GPUs that leaves 2 VMIDs
1622          * for video processing.
1623          */
1624         adev->vm_manager.first_kfd_vmid =
1625                 (adev->asic_type == CHIP_ARCTURUS ||
1626                  adev->asic_type == CHIP_ALDEBARAN) ? 3 : 8;
1627
1628         amdgpu_vm_manager_init(adev);
1629
1630         gmc_v9_0_save_registers(adev);
1631
1632         return 0;
1633 }
1634
1635 static int gmc_v9_0_sw_fini(void *handle)
1636 {
1637         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1638
1639         amdgpu_gmc_ras_fini(adev);
1640         amdgpu_gem_force_release(adev);
1641         amdgpu_vm_manager_fini(adev);
1642         amdgpu_gart_table_vram_free(adev);
1643         amdgpu_bo_unref(&adev->gmc.pdb0_bo);
1644         amdgpu_bo_fini(adev);
1645
1646         return 0;
1647 }
1648
1649 static void gmc_v9_0_init_golden_registers(struct amdgpu_device *adev)
1650 {
1651
1652         switch (adev->asic_type) {
1653         case CHIP_VEGA10:
1654                 if (amdgpu_sriov_vf(adev))
1655                         break;
1656                 fallthrough;
1657         case CHIP_VEGA20:
1658                 soc15_program_register_sequence(adev,
1659                                                 golden_settings_mmhub_1_0_0,
1660                                                 ARRAY_SIZE(golden_settings_mmhub_1_0_0));
1661                 soc15_program_register_sequence(adev,
1662                                                 golden_settings_athub_1_0_0,
1663                                                 ARRAY_SIZE(golden_settings_athub_1_0_0));
1664                 break;
1665         case CHIP_VEGA12:
1666                 break;
1667         case CHIP_RAVEN:
1668                 /* TODO for renoir */
1669                 soc15_program_register_sequence(adev,
1670                                                 golden_settings_athub_1_0_0,
1671                                                 ARRAY_SIZE(golden_settings_athub_1_0_0));
1672                 break;
1673         default:
1674                 break;
1675         }
1676 }
1677
1678 /**
1679  * gmc_v9_0_restore_registers - restores regs
1680  *
1681  * @adev: amdgpu_device pointer
1682  *
1683  * This restores register values, saved at suspend.
1684  */
1685 void gmc_v9_0_restore_registers(struct amdgpu_device *adev)
1686 {
1687         if (adev->asic_type == CHIP_RAVEN) {
1688                 WREG32_SOC15(DCE, 0, mmDCHUBBUB_SDPIF_MMIO_CNTRL_0, adev->gmc.sdpif_register);
1689                 WARN_ON(adev->gmc.sdpif_register !=
1690                         RREG32_SOC15(DCE, 0, mmDCHUBBUB_SDPIF_MMIO_CNTRL_0));
1691         }
1692 }
1693
1694 /**
1695  * gmc_v9_0_gart_enable - gart enable
1696  *
1697  * @adev: amdgpu_device pointer
1698  */
1699 static int gmc_v9_0_gart_enable(struct amdgpu_device *adev)
1700 {
1701         int r;
1702
1703         if (adev->gmc.xgmi.connected_to_cpu)
1704                 amdgpu_gmc_init_pdb0(adev);
1705
1706         if (adev->gart.bo == NULL) {
1707                 dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
1708                 return -EINVAL;
1709         }
1710
1711         r = amdgpu_gart_table_vram_pin(adev);
1712         if (r)
1713                 return r;
1714
1715         r = adev->gfxhub.funcs->gart_enable(adev);
1716         if (r)
1717                 return r;
1718
1719         r = adev->mmhub.funcs->gart_enable(adev);
1720         if (r)
1721                 return r;
1722
1723         DRM_INFO("PCIE GART of %uM enabled.\n",
1724                  (unsigned)(adev->gmc.gart_size >> 20));
1725         if (adev->gmc.pdb0_bo)
1726                 DRM_INFO("PDB0 located at 0x%016llX\n",
1727                                 (unsigned long long)amdgpu_bo_gpu_offset(adev->gmc.pdb0_bo));
1728         DRM_INFO("PTB located at 0x%016llX\n",
1729                         (unsigned long long)amdgpu_bo_gpu_offset(adev->gart.bo));
1730
1731         adev->gart.ready = true;
1732         return 0;
1733 }
1734
1735 static int gmc_v9_0_hw_init(void *handle)
1736 {
1737         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1738         bool value;
1739         int r, i;
1740
1741         /* The sequence of these two function calls matters.*/
1742         gmc_v9_0_init_golden_registers(adev);
1743
1744         if (adev->mode_info.num_crtc) {
1745                 /* Lockout access through VGA aperture*/
1746                 WREG32_FIELD15(DCE, 0, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
1747                 /* disable VGA render */
1748                 WREG32_FIELD15(DCE, 0, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
1749         }
1750
1751         if (adev->mmhub.funcs->update_power_gating)
1752                 adev->mmhub.funcs->update_power_gating(adev, true);
1753
1754         adev->hdp.funcs->init_registers(adev);
1755
1756         /* After HDP is initialized, flush HDP.*/
1757         adev->hdp.funcs->flush_hdp(adev, NULL);
1758
1759         if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
1760                 value = false;
1761         else
1762                 value = true;
1763
1764         if (!amdgpu_sriov_vf(adev)) {
1765                 adev->gfxhub.funcs->set_fault_enable_default(adev, value);
1766                 adev->mmhub.funcs->set_fault_enable_default(adev, value);
1767         }
1768         for (i = 0; i < adev->num_vmhubs; ++i)
1769                 gmc_v9_0_flush_gpu_tlb(adev, 0, i, 0);
1770
1771         if (adev->umc.funcs && adev->umc.funcs->init_registers)
1772                 adev->umc.funcs->init_registers(adev);
1773
1774         r = gmc_v9_0_gart_enable(adev);
1775
1776         return r;
1777 }
1778
1779 /**
1780  * gmc_v9_0_gart_disable - gart disable
1781  *
1782  * @adev: amdgpu_device pointer
1783  *
1784  * This disables all VM page table.
1785  */
1786 static void gmc_v9_0_gart_disable(struct amdgpu_device *adev)
1787 {
1788         adev->gfxhub.funcs->gart_disable(adev);
1789         adev->mmhub.funcs->gart_disable(adev);
1790         amdgpu_gart_table_vram_unpin(adev);
1791 }
1792
1793 static int gmc_v9_0_hw_fini(void *handle)
1794 {
1795         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1796
1797         if (amdgpu_sriov_vf(adev)) {
1798                 /* full access mode, so don't touch any GMC register */
1799                 DRM_DEBUG("For SRIOV client, shouldn't do anything.\n");
1800                 return 0;
1801         }
1802
1803         amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0);
1804         amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
1805         gmc_v9_0_gart_disable(adev);
1806
1807         return 0;
1808 }
1809
1810 static int gmc_v9_0_suspend(void *handle)
1811 {
1812         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1813
1814         return gmc_v9_0_hw_fini(adev);
1815 }
1816
1817 static int gmc_v9_0_resume(void *handle)
1818 {
1819         int r;
1820         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1821
1822         r = gmc_v9_0_hw_init(adev);
1823         if (r)
1824                 return r;
1825
1826         amdgpu_vmid_reset_all(adev);
1827
1828         return 0;
1829 }
1830
1831 static bool gmc_v9_0_is_idle(void *handle)
1832 {
1833         /* MC is always ready in GMC v9.*/
1834         return true;
1835 }
1836
1837 static int gmc_v9_0_wait_for_idle(void *handle)
1838 {
1839         /* There is no need to wait for MC idle in GMC v9.*/
1840         return 0;
1841 }
1842
1843 static int gmc_v9_0_soft_reset(void *handle)
1844 {
1845         /* XXX for emulation.*/
1846         return 0;
1847 }
1848
1849 static int gmc_v9_0_set_clockgating_state(void *handle,
1850                                         enum amd_clockgating_state state)
1851 {
1852         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1853
1854         adev->mmhub.funcs->set_clockgating(adev, state);
1855
1856         athub_v1_0_set_clockgating(adev, state);
1857
1858         return 0;
1859 }
1860
1861 static void gmc_v9_0_get_clockgating_state(void *handle, u32 *flags)
1862 {
1863         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1864
1865         adev->mmhub.funcs->get_clockgating(adev, flags);
1866
1867         athub_v1_0_get_clockgating(adev, flags);
1868 }
1869
1870 static int gmc_v9_0_set_powergating_state(void *handle,
1871                                         enum amd_powergating_state state)
1872 {
1873         return 0;
1874 }
1875
1876 const struct amd_ip_funcs gmc_v9_0_ip_funcs = {
1877         .name = "gmc_v9_0",
1878         .early_init = gmc_v9_0_early_init,
1879         .late_init = gmc_v9_0_late_init,
1880         .sw_init = gmc_v9_0_sw_init,
1881         .sw_fini = gmc_v9_0_sw_fini,
1882         .hw_init = gmc_v9_0_hw_init,
1883         .hw_fini = gmc_v9_0_hw_fini,
1884         .suspend = gmc_v9_0_suspend,
1885         .resume = gmc_v9_0_resume,
1886         .is_idle = gmc_v9_0_is_idle,
1887         .wait_for_idle = gmc_v9_0_wait_for_idle,
1888         .soft_reset = gmc_v9_0_soft_reset,
1889         .set_clockgating_state = gmc_v9_0_set_clockgating_state,
1890         .set_powergating_state = gmc_v9_0_set_powergating_state,
1891         .get_clockgating_state = gmc_v9_0_get_clockgating_state,
1892 };
1893
1894 const struct amdgpu_ip_block_version gmc_v9_0_ip_block =
1895 {
1896         .type = AMD_IP_BLOCK_TYPE_GMC,
1897         .major = 9,
1898         .minor = 0,
1899         .rev = 0,
1900         .funcs = &gmc_v9_0_ip_funcs,
1901 };