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e60f8db5 AX |
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 | #include <linux/firmware.h> | |
24 | #include "amdgpu.h" | |
25 | #include "gmc_v9_0.h" | |
26 | ||
27 | #include "vega10/soc15ip.h" | |
28 | #include "vega10/HDP/hdp_4_0_offset.h" | |
29 | #include "vega10/HDP/hdp_4_0_sh_mask.h" | |
30 | #include "vega10/GC/gc_9_0_sh_mask.h" | |
31 | #include "vega10/vega10_enum.h" | |
32 | ||
33 | #include "soc15_common.h" | |
34 | ||
35 | #include "nbio_v6_1.h" | |
36 | #include "gfxhub_v1_0.h" | |
37 | #include "mmhub_v1_0.h" | |
38 | ||
39 | #define mmDF_CS_AON0_DramBaseAddress0 0x0044 | |
40 | #define mmDF_CS_AON0_DramBaseAddress0_BASE_IDX 0 | |
41 | //DF_CS_AON0_DramBaseAddress0 | |
42 | #define DF_CS_AON0_DramBaseAddress0__AddrRngVal__SHIFT 0x0 | |
43 | #define DF_CS_AON0_DramBaseAddress0__LgcyMmioHoleEn__SHIFT 0x1 | |
44 | #define DF_CS_AON0_DramBaseAddress0__IntLvNumChan__SHIFT 0x4 | |
45 | #define DF_CS_AON0_DramBaseAddress0__IntLvAddrSel__SHIFT 0x8 | |
46 | #define DF_CS_AON0_DramBaseAddress0__DramBaseAddr__SHIFT 0xc | |
47 | #define DF_CS_AON0_DramBaseAddress0__AddrRngVal_MASK 0x00000001L | |
48 | #define DF_CS_AON0_DramBaseAddress0__LgcyMmioHoleEn_MASK 0x00000002L | |
49 | #define DF_CS_AON0_DramBaseAddress0__IntLvNumChan_MASK 0x000000F0L | |
50 | #define DF_CS_AON0_DramBaseAddress0__IntLvAddrSel_MASK 0x00000700L | |
51 | #define DF_CS_AON0_DramBaseAddress0__DramBaseAddr_MASK 0xFFFFF000L | |
52 | ||
53 | /* XXX Move this macro to VEGA10 header file, which is like vid.h for VI.*/ | |
54 | #define AMDGPU_NUM_OF_VMIDS 8 | |
55 | ||
56 | static const u32 golden_settings_vega10_hdp[] = | |
57 | { | |
58 | 0xf64, 0x0fffffff, 0x00000000, | |
59 | 0xf65, 0x0fffffff, 0x00000000, | |
60 | 0xf66, 0x0fffffff, 0x00000000, | |
61 | 0xf67, 0x0fffffff, 0x00000000, | |
62 | 0xf68, 0x0fffffff, 0x00000000, | |
63 | 0xf6a, 0x0fffffff, 0x00000000, | |
64 | 0xf6b, 0x0fffffff, 0x00000000, | |
65 | 0xf6c, 0x0fffffff, 0x00000000, | |
66 | 0xf6d, 0x0fffffff, 0x00000000, | |
67 | 0xf6e, 0x0fffffff, 0x00000000, | |
68 | }; | |
69 | ||
70 | static int gmc_v9_0_vm_fault_interrupt_state(struct amdgpu_device *adev, | |
71 | struct amdgpu_irq_src *src, | |
72 | unsigned type, | |
73 | enum amdgpu_interrupt_state state) | |
74 | { | |
75 | struct amdgpu_vmhub *hub; | |
76 | u32 tmp, reg, bits, i; | |
77 | ||
11250164 CK |
78 | bits = VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | |
79 | VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | | |
80 | VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | | |
81 | VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | | |
82 | VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | | |
83 | VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | | |
84 | VM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK; | |
85 | ||
e60f8db5 AX |
86 | switch (state) { |
87 | case AMDGPU_IRQ_STATE_DISABLE: | |
88 | /* MM HUB */ | |
89 | hub = &adev->vmhub[AMDGPU_MMHUB]; | |
e60f8db5 AX |
90 | for (i = 0; i< 16; i++) { |
91 | reg = hub->vm_context0_cntl + i; | |
92 | tmp = RREG32(reg); | |
93 | tmp &= ~bits; | |
94 | WREG32(reg, tmp); | |
95 | } | |
96 | ||
97 | /* GFX HUB */ | |
98 | hub = &adev->vmhub[AMDGPU_GFXHUB]; | |
e60f8db5 AX |
99 | for (i = 0; i < 16; i++) { |
100 | reg = hub->vm_context0_cntl + i; | |
101 | tmp = RREG32(reg); | |
102 | tmp &= ~bits; | |
103 | WREG32(reg, tmp); | |
104 | } | |
105 | break; | |
106 | case AMDGPU_IRQ_STATE_ENABLE: | |
107 | /* MM HUB */ | |
108 | hub = &adev->vmhub[AMDGPU_MMHUB]; | |
e60f8db5 AX |
109 | for (i = 0; i< 16; i++) { |
110 | reg = hub->vm_context0_cntl + i; | |
111 | tmp = RREG32(reg); | |
112 | tmp |= bits; | |
113 | WREG32(reg, tmp); | |
114 | } | |
115 | ||
116 | /* GFX HUB */ | |
117 | hub = &adev->vmhub[AMDGPU_GFXHUB]; | |
e60f8db5 AX |
118 | for (i = 0; i < 16; i++) { |
119 | reg = hub->vm_context0_cntl + i; | |
120 | tmp = RREG32(reg); | |
121 | tmp |= bits; | |
122 | WREG32(reg, tmp); | |
123 | } | |
124 | break; | |
125 | default: | |
126 | break; | |
127 | } | |
128 | ||
129 | return 0; | |
130 | } | |
131 | ||
132 | static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev, | |
133 | struct amdgpu_irq_src *source, | |
134 | struct amdgpu_iv_entry *entry) | |
135 | { | |
5a9b8e8a | 136 | struct amdgpu_vmhub *hub = &adev->vmhub[entry->vm_id_src]; |
4d6cbde3 | 137 | uint32_t status = 0; |
e60f8db5 AX |
138 | u64 addr; |
139 | ||
140 | addr = (u64)entry->src_data[0] << 12; | |
141 | addr |= ((u64)entry->src_data[1] & 0xf) << 44; | |
142 | ||
79a0c465 | 143 | if (!amdgpu_sriov_vf(adev)) { |
5a9b8e8a CK |
144 | status = RREG32(hub->vm_l2_pro_fault_status); |
145 | WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1); | |
4d6cbde3 | 146 | } |
e60f8db5 | 147 | |
4d6cbde3 FK |
148 | if (printk_ratelimit()) { |
149 | dev_err(adev->dev, | |
150 | "[%s] VMC page fault (src_id:%u ring:%u vm_id:%u pas_id:%u)\n", | |
151 | entry->vm_id_src ? "mmhub" : "gfxhub", | |
152 | entry->src_id, entry->ring_id, entry->vm_id, | |
153 | entry->pas_id); | |
154 | dev_err(adev->dev, " at page 0x%016llx from %d\n", | |
155 | addr, entry->client_id); | |
156 | if (!amdgpu_sriov_vf(adev)) | |
157 | dev_err(adev->dev, | |
158 | "VM_L2_PROTECTION_FAULT_STATUS:0x%08X\n", | |
159 | status); | |
79a0c465 | 160 | } |
e60f8db5 AX |
161 | |
162 | return 0; | |
163 | } | |
164 | ||
165 | static const struct amdgpu_irq_src_funcs gmc_v9_0_irq_funcs = { | |
166 | .set = gmc_v9_0_vm_fault_interrupt_state, | |
167 | .process = gmc_v9_0_process_interrupt, | |
168 | }; | |
169 | ||
170 | static void gmc_v9_0_set_irq_funcs(struct amdgpu_device *adev) | |
171 | { | |
172 | adev->mc.vm_fault.num_types = 1; | |
173 | adev->mc.vm_fault.funcs = &gmc_v9_0_irq_funcs; | |
174 | } | |
175 | ||
03f89feb CK |
176 | static uint32_t gmc_v9_0_get_invalidate_req(unsigned int vm_id) |
177 | { | |
178 | u32 req = 0; | |
179 | ||
180 | /* invalidate using legacy mode on vm_id*/ | |
181 | req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, | |
182 | PER_VMID_INVALIDATE_REQ, 1 << vm_id); | |
183 | req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, 0); | |
184 | req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1); | |
185 | req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1); | |
186 | req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1); | |
187 | req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1); | |
188 | req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1); | |
189 | req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, | |
190 | CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0); | |
191 | ||
192 | return req; | |
193 | } | |
194 | ||
e60f8db5 AX |
195 | /* |
196 | * GART | |
197 | * VMID 0 is the physical GPU addresses as used by the kernel. | |
198 | * VMIDs 1-15 are used for userspace clients and are handled | |
199 | * by the amdgpu vm/hsa code. | |
200 | */ | |
201 | ||
202 | /** | |
203 | * gmc_v9_0_gart_flush_gpu_tlb - gart tlb flush callback | |
204 | * | |
205 | * @adev: amdgpu_device pointer | |
206 | * @vmid: vm instance to flush | |
207 | * | |
208 | * Flush the TLB for the requested page table. | |
209 | */ | |
210 | static void gmc_v9_0_gart_flush_gpu_tlb(struct amdgpu_device *adev, | |
211 | uint32_t vmid) | |
212 | { | |
213 | /* Use register 17 for GART */ | |
214 | const unsigned eng = 17; | |
215 | unsigned i, j; | |
216 | ||
217 | /* flush hdp cache */ | |
218 | nbio_v6_1_hdp_flush(adev); | |
219 | ||
220 | spin_lock(&adev->mc.invalidate_lock); | |
221 | ||
222 | for (i = 0; i < AMDGPU_MAX_VMHUBS; ++i) { | |
223 | struct amdgpu_vmhub *hub = &adev->vmhub[i]; | |
03f89feb | 224 | u32 tmp = gmc_v9_0_get_invalidate_req(vmid); |
e60f8db5 | 225 | |
c7a7266b | 226 | WREG32_NO_KIQ(hub->vm_inv_eng0_req + eng, tmp); |
e60f8db5 AX |
227 | |
228 | /* Busy wait for ACK.*/ | |
229 | for (j = 0; j < 100; j++) { | |
c7a7266b | 230 | tmp = RREG32_NO_KIQ(hub->vm_inv_eng0_ack + eng); |
e60f8db5 AX |
231 | tmp &= 1 << vmid; |
232 | if (tmp) | |
233 | break; | |
234 | cpu_relax(); | |
235 | } | |
236 | if (j < 100) | |
237 | continue; | |
238 | ||
239 | /* Wait for ACK with a delay.*/ | |
240 | for (j = 0; j < adev->usec_timeout; j++) { | |
c7a7266b | 241 | tmp = RREG32_NO_KIQ(hub->vm_inv_eng0_ack + eng); |
e60f8db5 AX |
242 | tmp &= 1 << vmid; |
243 | if (tmp) | |
244 | break; | |
245 | udelay(1); | |
246 | } | |
247 | if (j < adev->usec_timeout) | |
248 | continue; | |
249 | ||
250 | DRM_ERROR("Timeout waiting for VM flush ACK!\n"); | |
251 | } | |
252 | ||
253 | spin_unlock(&adev->mc.invalidate_lock); | |
254 | } | |
255 | ||
256 | /** | |
257 | * gmc_v9_0_gart_set_pte_pde - update the page tables using MMIO | |
258 | * | |
259 | * @adev: amdgpu_device pointer | |
260 | * @cpu_pt_addr: cpu address of the page table | |
261 | * @gpu_page_idx: entry in the page table to update | |
262 | * @addr: dst addr to write into pte/pde | |
263 | * @flags: access flags | |
264 | * | |
265 | * Update the page tables using the CPU. | |
266 | */ | |
267 | static int gmc_v9_0_gart_set_pte_pde(struct amdgpu_device *adev, | |
268 | void *cpu_pt_addr, | |
269 | uint32_t gpu_page_idx, | |
270 | uint64_t addr, | |
271 | uint64_t flags) | |
272 | { | |
273 | void __iomem *ptr = (void *)cpu_pt_addr; | |
274 | uint64_t value; | |
275 | ||
276 | /* | |
277 | * PTE format on VEGA 10: | |
278 | * 63:59 reserved | |
279 | * 58:57 mtype | |
280 | * 56 F | |
281 | * 55 L | |
282 | * 54 P | |
283 | * 53 SW | |
284 | * 52 T | |
285 | * 50:48 reserved | |
286 | * 47:12 4k physical page base address | |
287 | * 11:7 fragment | |
288 | * 6 write | |
289 | * 5 read | |
290 | * 4 exe | |
291 | * 3 Z | |
292 | * 2 snooped | |
293 | * 1 system | |
294 | * 0 valid | |
295 | * | |
296 | * PDE format on VEGA 10: | |
297 | * 63:59 block fragment size | |
298 | * 58:55 reserved | |
299 | * 54 P | |
300 | * 53:48 reserved | |
301 | * 47:6 physical base address of PD or PTE | |
302 | * 5:3 reserved | |
303 | * 2 C | |
304 | * 1 system | |
305 | * 0 valid | |
306 | */ | |
307 | ||
308 | /* | |
309 | * The following is for PTE only. GART does not have PDEs. | |
310 | */ | |
311 | value = addr & 0x0000FFFFFFFFF000ULL; | |
312 | value |= flags; | |
313 | writeq(value, ptr + (gpu_page_idx * 8)); | |
314 | return 0; | |
315 | } | |
316 | ||
317 | static uint64_t gmc_v9_0_get_vm_pte_flags(struct amdgpu_device *adev, | |
318 | uint32_t flags) | |
319 | ||
320 | { | |
321 | uint64_t pte_flag = 0; | |
322 | ||
323 | if (flags & AMDGPU_VM_PAGE_EXECUTABLE) | |
324 | pte_flag |= AMDGPU_PTE_EXECUTABLE; | |
325 | if (flags & AMDGPU_VM_PAGE_READABLE) | |
326 | pte_flag |= AMDGPU_PTE_READABLE; | |
327 | if (flags & AMDGPU_VM_PAGE_WRITEABLE) | |
328 | pte_flag |= AMDGPU_PTE_WRITEABLE; | |
329 | ||
330 | switch (flags & AMDGPU_VM_MTYPE_MASK) { | |
331 | case AMDGPU_VM_MTYPE_DEFAULT: | |
332 | pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_NC); | |
333 | break; | |
334 | case AMDGPU_VM_MTYPE_NC: | |
335 | pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_NC); | |
336 | break; | |
337 | case AMDGPU_VM_MTYPE_WC: | |
338 | pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_WC); | |
339 | break; | |
340 | case AMDGPU_VM_MTYPE_CC: | |
341 | pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_CC); | |
342 | break; | |
343 | case AMDGPU_VM_MTYPE_UC: | |
344 | pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_UC); | |
345 | break; | |
346 | default: | |
347 | pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_NC); | |
348 | break; | |
349 | } | |
350 | ||
351 | if (flags & AMDGPU_VM_PAGE_PRT) | |
352 | pte_flag |= AMDGPU_PTE_PRT; | |
353 | ||
354 | return pte_flag; | |
355 | } | |
356 | ||
e60f8db5 AX |
357 | static u64 gmc_v9_0_adjust_mc_addr(struct amdgpu_device *adev, u64 mc_addr) |
358 | { | |
359 | return adev->vm_manager.vram_base_offset + mc_addr - adev->mc.vram_start; | |
360 | } | |
361 | ||
f75e237c CK |
362 | static const struct amdgpu_gart_funcs gmc_v9_0_gart_funcs = { |
363 | .flush_gpu_tlb = gmc_v9_0_gart_flush_gpu_tlb, | |
364 | .set_pte_pde = gmc_v9_0_gart_set_pte_pde, | |
365 | .get_vm_pte_flags = gmc_v9_0_get_vm_pte_flags, | |
e60f8db5 | 366 | .adjust_mc_addr = gmc_v9_0_adjust_mc_addr, |
03f89feb | 367 | .get_invalidate_req = gmc_v9_0_get_invalidate_req, |
e60f8db5 AX |
368 | }; |
369 | ||
f75e237c | 370 | static void gmc_v9_0_set_gart_funcs(struct amdgpu_device *adev) |
e60f8db5 | 371 | { |
f75e237c CK |
372 | if (adev->gart.gart_funcs == NULL) |
373 | adev->gart.gart_funcs = &gmc_v9_0_gart_funcs; | |
e60f8db5 AX |
374 | } |
375 | ||
376 | static int gmc_v9_0_early_init(void *handle) | |
377 | { | |
378 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; | |
379 | ||
380 | gmc_v9_0_set_gart_funcs(adev); | |
e60f8db5 AX |
381 | gmc_v9_0_set_irq_funcs(adev); |
382 | ||
383 | return 0; | |
384 | } | |
385 | ||
386 | static int gmc_v9_0_late_init(void *handle) | |
387 | { | |
388 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; | |
389 | return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0); | |
390 | } | |
391 | ||
392 | static void gmc_v9_0_vram_gtt_location(struct amdgpu_device *adev, | |
393 | struct amdgpu_mc *mc) | |
394 | { | |
eeb2487d ML |
395 | u64 base = 0; |
396 | if (!amdgpu_sriov_vf(adev)) | |
397 | base = mmhub_v1_0_get_fb_location(adev); | |
e60f8db5 AX |
398 | amdgpu_vram_location(adev, &adev->mc, base); |
399 | adev->mc.gtt_base_align = 0; | |
400 | amdgpu_gtt_location(adev, mc); | |
401 | } | |
402 | ||
403 | /** | |
404 | * gmc_v9_0_mc_init - initialize the memory controller driver params | |
405 | * | |
406 | * @adev: amdgpu_device pointer | |
407 | * | |
408 | * Look up the amount of vram, vram width, and decide how to place | |
409 | * vram and gart within the GPU's physical address space. | |
410 | * Returns 0 for success. | |
411 | */ | |
412 | static int gmc_v9_0_mc_init(struct amdgpu_device *adev) | |
413 | { | |
414 | u32 tmp; | |
415 | int chansize, numchan; | |
416 | ||
417 | /* hbm memory channel size */ | |
418 | chansize = 128; | |
419 | ||
420 | tmp = RREG32(SOC15_REG_OFFSET(DF, 0, mmDF_CS_AON0_DramBaseAddress0)); | |
421 | tmp &= DF_CS_AON0_DramBaseAddress0__IntLvNumChan_MASK; | |
422 | tmp >>= DF_CS_AON0_DramBaseAddress0__IntLvNumChan__SHIFT; | |
423 | switch (tmp) { | |
424 | case 0: | |
425 | default: | |
426 | numchan = 1; | |
427 | break; | |
428 | case 1: | |
429 | numchan = 2; | |
430 | break; | |
431 | case 2: | |
432 | numchan = 0; | |
433 | break; | |
434 | case 3: | |
435 | numchan = 4; | |
436 | break; | |
437 | case 4: | |
438 | numchan = 0; | |
439 | break; | |
440 | case 5: | |
441 | numchan = 8; | |
442 | break; | |
443 | case 6: | |
444 | numchan = 0; | |
445 | break; | |
446 | case 7: | |
447 | numchan = 16; | |
448 | break; | |
449 | case 8: | |
450 | numchan = 2; | |
451 | break; | |
452 | } | |
453 | adev->mc.vram_width = numchan * chansize; | |
454 | ||
455 | /* Could aper size report 0 ? */ | |
456 | adev->mc.aper_base = pci_resource_start(adev->pdev, 0); | |
457 | adev->mc.aper_size = pci_resource_len(adev->pdev, 0); | |
458 | /* size in MB on si */ | |
459 | adev->mc.mc_vram_size = | |
460 | nbio_v6_1_get_memsize(adev) * 1024ULL * 1024ULL; | |
461 | adev->mc.real_vram_size = adev->mc.mc_vram_size; | |
462 | adev->mc.visible_vram_size = adev->mc.aper_size; | |
463 | ||
464 | /* In case the PCI BAR is larger than the actual amount of vram */ | |
465 | if (adev->mc.visible_vram_size > adev->mc.real_vram_size) | |
466 | adev->mc.visible_vram_size = adev->mc.real_vram_size; | |
467 | ||
468 | /* unless the user had overridden it, set the gart | |
469 | * size equal to the 1024 or vram, whichever is larger. | |
470 | */ | |
471 | if (amdgpu_gart_size == -1) | |
472 | adev->mc.gtt_size = max((1024ULL << 20), adev->mc.mc_vram_size); | |
473 | else | |
474 | adev->mc.gtt_size = (uint64_t)amdgpu_gart_size << 20; | |
475 | ||
476 | gmc_v9_0_vram_gtt_location(adev, &adev->mc); | |
477 | ||
478 | return 0; | |
479 | } | |
480 | ||
481 | static int gmc_v9_0_gart_init(struct amdgpu_device *adev) | |
482 | { | |
483 | int r; | |
484 | ||
485 | if (adev->gart.robj) { | |
486 | WARN(1, "VEGA10 PCIE GART already initialized\n"); | |
487 | return 0; | |
488 | } | |
489 | /* Initialize common gart structure */ | |
490 | r = amdgpu_gart_init(adev); | |
491 | if (r) | |
492 | return r; | |
493 | adev->gart.table_size = adev->gart.num_gpu_pages * 8; | |
494 | adev->gart.gart_pte_flags = AMDGPU_PTE_MTYPE(MTYPE_UC) | | |
495 | AMDGPU_PTE_EXECUTABLE; | |
496 | return amdgpu_gart_table_vram_alloc(adev); | |
497 | } | |
498 | ||
499 | /* | |
500 | * vm | |
501 | * VMID 0 is the physical GPU addresses as used by the kernel. | |
502 | * VMIDs 1-15 are used for userspace clients and are handled | |
503 | * by the amdgpu vm/hsa code. | |
504 | */ | |
505 | /** | |
506 | * gmc_v9_0_vm_init - vm init callback | |
507 | * | |
508 | * @adev: amdgpu_device pointer | |
509 | * | |
510 | * Inits vega10 specific vm parameters (number of VMs, base of vram for | |
511 | * VMIDs 1-15) (vega10). | |
512 | * Returns 0 for success. | |
513 | */ | |
514 | static int gmc_v9_0_vm_init(struct amdgpu_device *adev) | |
515 | { | |
516 | /* | |
517 | * number of VMs | |
518 | * VMID 0 is reserved for System | |
519 | * amdgpu graphics/compute will use VMIDs 1-7 | |
520 | * amdkfd will use VMIDs 8-15 | |
521 | */ | |
522 | adev->vm_manager.num_ids = AMDGPU_NUM_OF_VMIDS; | |
bab4fee7 JZ |
523 | |
524 | /* TODO: fix num_level for APU when updating vm size and block size */ | |
525 | if (adev->flags & AMD_IS_APU) | |
526 | adev->vm_manager.num_level = 1; | |
527 | else | |
528 | adev->vm_manager.num_level = 3; | |
e60f8db5 AX |
529 | amdgpu_vm_manager_init(adev); |
530 | ||
531 | /* base offset of vram pages */ | |
532 | /*XXX This value is not zero for APU*/ | |
533 | adev->vm_manager.vram_base_offset = 0; | |
534 | ||
535 | return 0; | |
536 | } | |
537 | ||
538 | /** | |
539 | * gmc_v9_0_vm_fini - vm fini callback | |
540 | * | |
541 | * @adev: amdgpu_device pointer | |
542 | * | |
543 | * Tear down any asic specific VM setup. | |
544 | */ | |
545 | static void gmc_v9_0_vm_fini(struct amdgpu_device *adev) | |
546 | { | |
547 | return; | |
548 | } | |
549 | ||
550 | static int gmc_v9_0_sw_init(void *handle) | |
551 | { | |
552 | int r; | |
553 | int dma_bits; | |
554 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; | |
555 | ||
556 | spin_lock_init(&adev->mc.invalidate_lock); | |
557 | ||
558 | if (adev->flags & AMD_IS_APU) { | |
559 | adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN; | |
bab4fee7 | 560 | amdgpu_vm_adjust_size(adev, 64); |
e60f8db5 AX |
561 | } else { |
562 | /* XXX Don't know how to get VRAM type yet. */ | |
563 | adev->mc.vram_type = AMDGPU_VRAM_TYPE_HBM; | |
36b32a68 ZJ |
564 | /* |
565 | * To fulfill 4-level page support, | |
566 | * vm size is 256TB (48bit), maximum size of Vega10, | |
567 | * block size 512 (9bit) | |
568 | */ | |
569 | adev->vm_manager.vm_size = 1U << 18; | |
570 | adev->vm_manager.block_size = 9; | |
bab4fee7 JZ |
571 | DRM_INFO("vm size is %llu GB, block size is %u-bit\n", |
572 | adev->vm_manager.vm_size, | |
573 | adev->vm_manager.block_size); | |
e60f8db5 AX |
574 | } |
575 | ||
576 | /* This interrupt is VMC page fault.*/ | |
577 | r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_VMC, 0, | |
578 | &adev->mc.vm_fault); | |
d7c434d3 FK |
579 | r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_UTCL2, 0, |
580 | &adev->mc.vm_fault); | |
e60f8db5 AX |
581 | |
582 | if (r) | |
583 | return r; | |
584 | ||
36b32a68 | 585 | adev->vm_manager.max_pfn = adev->vm_manager.vm_size << 18; |
e60f8db5 AX |
586 | |
587 | /* Set the internal MC address mask | |
588 | * This is the max address of the GPU's | |
589 | * internal address space. | |
590 | */ | |
591 | adev->mc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */ | |
592 | ||
593 | /* set DMA mask + need_dma32 flags. | |
594 | * PCIE - can handle 44-bits. | |
595 | * IGP - can handle 44-bits | |
596 | * PCI - dma32 for legacy pci gart, 44 bits on vega10 | |
597 | */ | |
598 | adev->need_dma32 = false; | |
599 | dma_bits = adev->need_dma32 ? 32 : 44; | |
600 | r = pci_set_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits)); | |
601 | if (r) { | |
602 | adev->need_dma32 = true; | |
603 | dma_bits = 32; | |
604 | printk(KERN_WARNING "amdgpu: No suitable DMA available.\n"); | |
605 | } | |
606 | r = pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits)); | |
607 | if (r) { | |
608 | pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(32)); | |
609 | printk(KERN_WARNING "amdgpu: No coherent DMA available.\n"); | |
610 | } | |
611 | ||
612 | r = gmc_v9_0_mc_init(adev); | |
613 | if (r) | |
614 | return r; | |
615 | ||
616 | /* Memory manager */ | |
617 | r = amdgpu_bo_init(adev); | |
618 | if (r) | |
619 | return r; | |
620 | ||
621 | r = gmc_v9_0_gart_init(adev); | |
622 | if (r) | |
623 | return r; | |
624 | ||
625 | if (!adev->vm_manager.enabled) { | |
626 | r = gmc_v9_0_vm_init(adev); | |
627 | if (r) { | |
628 | dev_err(adev->dev, "vm manager initialization failed (%d).\n", r); | |
629 | return r; | |
630 | } | |
631 | adev->vm_manager.enabled = true; | |
632 | } | |
633 | return r; | |
634 | } | |
635 | ||
636 | /** | |
637 | * gmc_v8_0_gart_fini - vm fini callback | |
638 | * | |
639 | * @adev: amdgpu_device pointer | |
640 | * | |
641 | * Tears down the driver GART/VM setup (CIK). | |
642 | */ | |
643 | static void gmc_v9_0_gart_fini(struct amdgpu_device *adev) | |
644 | { | |
645 | amdgpu_gart_table_vram_free(adev); | |
646 | amdgpu_gart_fini(adev); | |
647 | } | |
648 | ||
649 | static int gmc_v9_0_sw_fini(void *handle) | |
650 | { | |
651 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; | |
652 | ||
653 | if (adev->vm_manager.enabled) { | |
654 | amdgpu_vm_manager_fini(adev); | |
655 | gmc_v9_0_vm_fini(adev); | |
656 | adev->vm_manager.enabled = false; | |
657 | } | |
658 | gmc_v9_0_gart_fini(adev); | |
659 | amdgpu_gem_force_release(adev); | |
660 | amdgpu_bo_fini(adev); | |
661 | ||
662 | return 0; | |
663 | } | |
664 | ||
665 | static void gmc_v9_0_init_golden_registers(struct amdgpu_device *adev) | |
666 | { | |
667 | switch (adev->asic_type) { | |
668 | case CHIP_VEGA10: | |
669 | break; | |
670 | default: | |
671 | break; | |
672 | } | |
673 | } | |
674 | ||
675 | /** | |
676 | * gmc_v9_0_gart_enable - gart enable | |
677 | * | |
678 | * @adev: amdgpu_device pointer | |
679 | */ | |
680 | static int gmc_v9_0_gart_enable(struct amdgpu_device *adev) | |
681 | { | |
682 | int r; | |
683 | bool value; | |
684 | u32 tmp; | |
685 | ||
686 | amdgpu_program_register_sequence(adev, | |
687 | golden_settings_vega10_hdp, | |
688 | (const u32)ARRAY_SIZE(golden_settings_vega10_hdp)); | |
689 | ||
690 | if (adev->gart.robj == NULL) { | |
691 | dev_err(adev->dev, "No VRAM object for PCIE GART.\n"); | |
692 | return -EINVAL; | |
693 | } | |
694 | r = amdgpu_gart_table_vram_pin(adev); | |
695 | if (r) | |
696 | return r; | |
697 | ||
698 | /* After HDP is initialized, flush HDP.*/ | |
699 | nbio_v6_1_hdp_flush(adev); | |
700 | ||
701 | r = gfxhub_v1_0_gart_enable(adev); | |
702 | if (r) | |
703 | return r; | |
704 | ||
705 | r = mmhub_v1_0_gart_enable(adev); | |
706 | if (r) | |
707 | return r; | |
708 | ||
709 | tmp = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MISC_CNTL)); | |
710 | tmp |= HDP_MISC_CNTL__FLUSH_INVALIDATE_CACHE_MASK; | |
711 | WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MISC_CNTL), tmp); | |
712 | ||
713 | tmp = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_HOST_PATH_CNTL)); | |
714 | WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_HOST_PATH_CNTL), tmp); | |
715 | ||
716 | ||
717 | if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) | |
718 | value = false; | |
719 | else | |
720 | value = true; | |
721 | ||
722 | gfxhub_v1_0_set_fault_enable_default(adev, value); | |
723 | mmhub_v1_0_set_fault_enable_default(adev, value); | |
724 | ||
725 | gmc_v9_0_gart_flush_gpu_tlb(adev, 0); | |
726 | ||
727 | DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", | |
728 | (unsigned)(adev->mc.gtt_size >> 20), | |
729 | (unsigned long long)adev->gart.table_addr); | |
730 | adev->gart.ready = true; | |
731 | return 0; | |
732 | } | |
733 | ||
734 | static int gmc_v9_0_hw_init(void *handle) | |
735 | { | |
736 | int r; | |
737 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; | |
738 | ||
739 | /* The sequence of these two function calls matters.*/ | |
740 | gmc_v9_0_init_golden_registers(adev); | |
741 | ||
742 | r = gmc_v9_0_gart_enable(adev); | |
743 | ||
744 | return r; | |
745 | } | |
746 | ||
747 | /** | |
748 | * gmc_v9_0_gart_disable - gart disable | |
749 | * | |
750 | * @adev: amdgpu_device pointer | |
751 | * | |
752 | * This disables all VM page table. | |
753 | */ | |
754 | static void gmc_v9_0_gart_disable(struct amdgpu_device *adev) | |
755 | { | |
756 | gfxhub_v1_0_gart_disable(adev); | |
757 | mmhub_v1_0_gart_disable(adev); | |
758 | amdgpu_gart_table_vram_unpin(adev); | |
759 | } | |
760 | ||
761 | static int gmc_v9_0_hw_fini(void *handle) | |
762 | { | |
763 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; | |
764 | ||
765 | amdgpu_irq_put(adev, &adev->mc.vm_fault, 0); | |
766 | gmc_v9_0_gart_disable(adev); | |
767 | ||
768 | return 0; | |
769 | } | |
770 | ||
771 | static int gmc_v9_0_suspend(void *handle) | |
772 | { | |
773 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; | |
774 | ||
775 | if (adev->vm_manager.enabled) { | |
776 | gmc_v9_0_vm_fini(adev); | |
777 | adev->vm_manager.enabled = false; | |
778 | } | |
779 | gmc_v9_0_hw_fini(adev); | |
780 | ||
781 | return 0; | |
782 | } | |
783 | ||
784 | static int gmc_v9_0_resume(void *handle) | |
785 | { | |
786 | int r; | |
787 | struct amdgpu_device *adev = (struct amdgpu_device *)handle; | |
788 | ||
789 | r = gmc_v9_0_hw_init(adev); | |
790 | if (r) | |
791 | return r; | |
792 | ||
793 | if (!adev->vm_manager.enabled) { | |
794 | r = gmc_v9_0_vm_init(adev); | |
795 | if (r) { | |
796 | dev_err(adev->dev, | |
797 | "vm manager initialization failed (%d).\n", r); | |
798 | return r; | |
799 | } | |
800 | adev->vm_manager.enabled = true; | |
801 | } | |
802 | ||
803 | return r; | |
804 | } | |
805 | ||
806 | static bool gmc_v9_0_is_idle(void *handle) | |
807 | { | |
808 | /* MC is always ready in GMC v9.*/ | |
809 | return true; | |
810 | } | |
811 | ||
812 | static int gmc_v9_0_wait_for_idle(void *handle) | |
813 | { | |
814 | /* There is no need to wait for MC idle in GMC v9.*/ | |
815 | return 0; | |
816 | } | |
817 | ||
818 | static int gmc_v9_0_soft_reset(void *handle) | |
819 | { | |
820 | /* XXX for emulation.*/ | |
821 | return 0; | |
822 | } | |
823 | ||
824 | static int gmc_v9_0_set_clockgating_state(void *handle, | |
825 | enum amd_clockgating_state state) | |
826 | { | |
827 | return 0; | |
828 | } | |
829 | ||
830 | static int gmc_v9_0_set_powergating_state(void *handle, | |
831 | enum amd_powergating_state state) | |
832 | { | |
833 | return 0; | |
834 | } | |
835 | ||
836 | const struct amd_ip_funcs gmc_v9_0_ip_funcs = { | |
837 | .name = "gmc_v9_0", | |
838 | .early_init = gmc_v9_0_early_init, | |
839 | .late_init = gmc_v9_0_late_init, | |
840 | .sw_init = gmc_v9_0_sw_init, | |
841 | .sw_fini = gmc_v9_0_sw_fini, | |
842 | .hw_init = gmc_v9_0_hw_init, | |
843 | .hw_fini = gmc_v9_0_hw_fini, | |
844 | .suspend = gmc_v9_0_suspend, | |
845 | .resume = gmc_v9_0_resume, | |
846 | .is_idle = gmc_v9_0_is_idle, | |
847 | .wait_for_idle = gmc_v9_0_wait_for_idle, | |
848 | .soft_reset = gmc_v9_0_soft_reset, | |
849 | .set_clockgating_state = gmc_v9_0_set_clockgating_state, | |
850 | .set_powergating_state = gmc_v9_0_set_powergating_state, | |
851 | }; | |
852 | ||
853 | const struct amdgpu_ip_block_version gmc_v9_0_ip_block = | |
854 | { | |
855 | .type = AMD_IP_BLOCK_TYPE_GMC, | |
856 | .major = 9, | |
857 | .minor = 0, | |
858 | .rev = 0, | |
859 | .funcs = &gmc_v9_0_ip_funcs, | |
860 | }; |