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1/*
2 * Copyright 2014 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/module.h>
26#include <linux/pci.h>
27
28#include <drm/drm_cache.h>
29#include "amdgpu.h"
30#include "gmc_v8_0.h"
31#include "amdgpu_ucode.h"
32#include "amdgpu_amdkfd.h"
33#include "amdgpu_gem.h"
34
35#include "gmc/gmc_8_1_d.h"
36#include "gmc/gmc_8_1_sh_mask.h"
37
38#include "bif/bif_5_0_d.h"
39#include "bif/bif_5_0_sh_mask.h"
40
41#include "oss/oss_3_0_d.h"
42#include "oss/oss_3_0_sh_mask.h"
43
44#include "dce/dce_10_0_d.h"
45#include "dce/dce_10_0_sh_mask.h"
46
47#include "vid.h"
48#include "vi.h"
49
50#include "amdgpu_atombios.h"
51
52#include "ivsrcid/ivsrcid_vislands30.h"
53
54static void gmc_v8_0_set_gmc_funcs(struct amdgpu_device *adev);
55static void gmc_v8_0_set_irq_funcs(struct amdgpu_device *adev);
56static int gmc_v8_0_wait_for_idle(void *handle);
57
58MODULE_FIRMWARE("amdgpu/tonga_mc.bin");
59MODULE_FIRMWARE("amdgpu/polaris11_mc.bin");
60MODULE_FIRMWARE("amdgpu/polaris10_mc.bin");
61MODULE_FIRMWARE("amdgpu/polaris12_mc.bin");
62MODULE_FIRMWARE("amdgpu/polaris12_32_mc.bin");
63MODULE_FIRMWARE("amdgpu/polaris11_k_mc.bin");
64MODULE_FIRMWARE("amdgpu/polaris10_k_mc.bin");
65MODULE_FIRMWARE("amdgpu/polaris12_k_mc.bin");
66
67static const u32 golden_settings_tonga_a11[] =
68{
69 mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000,
70 mmMC_HUB_RDREQ_DMIF_LIMIT, 0x0000007f, 0x00000028,
71 mmMC_HUB_WDP_UMC, 0x00007fb6, 0x00000991,
72 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
73 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
74 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
75 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff,
76};
77
78static const u32 tonga_mgcg_cgcg_init[] =
79{
80 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
81};
82
83static const u32 golden_settings_fiji_a10[] =
84{
85 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
86 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
87 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
88 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff,
89};
90
91static const u32 fiji_mgcg_cgcg_init[] =
92{
93 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
94};
95
96static const u32 golden_settings_polaris11_a11[] =
97{
98 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
99 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
100 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
101 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff
102};
103
104static const u32 golden_settings_polaris10_a11[] =
105{
106 mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000,
107 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
108 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
109 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
110 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff
111};
112
113static const u32 cz_mgcg_cgcg_init[] =
114{
115 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
116};
117
118static const u32 stoney_mgcg_cgcg_init[] =
119{
120 mmATC_MISC_CG, 0xffffffff, 0x000c0200,
121 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
122};
123
124static const u32 golden_settings_stoney_common[] =
125{
126 mmMC_HUB_RDREQ_UVD, MC_HUB_RDREQ_UVD__PRESCALE_MASK, 0x00000004,
127 mmMC_RD_GRP_OTH, MC_RD_GRP_OTH__UVD_MASK, 0x00600000
128};
129
130static void gmc_v8_0_init_golden_registers(struct amdgpu_device *adev)
131{
132 switch (adev->asic_type) {
133 case CHIP_FIJI:
134 amdgpu_device_program_register_sequence(adev,
135 fiji_mgcg_cgcg_init,
136 ARRAY_SIZE(fiji_mgcg_cgcg_init));
137 amdgpu_device_program_register_sequence(adev,
138 golden_settings_fiji_a10,
139 ARRAY_SIZE(golden_settings_fiji_a10));
140 break;
141 case CHIP_TONGA:
142 amdgpu_device_program_register_sequence(adev,
143 tonga_mgcg_cgcg_init,
144 ARRAY_SIZE(tonga_mgcg_cgcg_init));
145 amdgpu_device_program_register_sequence(adev,
146 golden_settings_tonga_a11,
147 ARRAY_SIZE(golden_settings_tonga_a11));
148 break;
149 case CHIP_POLARIS11:
150 case CHIP_POLARIS12:
151 case CHIP_VEGAM:
152 amdgpu_device_program_register_sequence(adev,
153 golden_settings_polaris11_a11,
154 ARRAY_SIZE(golden_settings_polaris11_a11));
155 break;
156 case CHIP_POLARIS10:
157 amdgpu_device_program_register_sequence(adev,
158 golden_settings_polaris10_a11,
159 ARRAY_SIZE(golden_settings_polaris10_a11));
160 break;
161 case CHIP_CARRIZO:
162 amdgpu_device_program_register_sequence(adev,
163 cz_mgcg_cgcg_init,
164 ARRAY_SIZE(cz_mgcg_cgcg_init));
165 break;
166 case CHIP_STONEY:
167 amdgpu_device_program_register_sequence(adev,
168 stoney_mgcg_cgcg_init,
169 ARRAY_SIZE(stoney_mgcg_cgcg_init));
170 amdgpu_device_program_register_sequence(adev,
171 golden_settings_stoney_common,
172 ARRAY_SIZE(golden_settings_stoney_common));
173 break;
174 default:
175 break;
176 }
177}
178
179static void gmc_v8_0_mc_stop(struct amdgpu_device *adev)
180{
181 u32 blackout;
182
183 gmc_v8_0_wait_for_idle(adev);
184
185 blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
186 if (REG_GET_FIELD(blackout, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE) != 1) {
187 /* Block CPU access */
188 WREG32(mmBIF_FB_EN, 0);
189 /* blackout the MC */
190 blackout = REG_SET_FIELD(blackout,
191 MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 1);
192 WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout);
193 }
194 /* wait for the MC to settle */
195 udelay(100);
196}
197
198static void gmc_v8_0_mc_resume(struct amdgpu_device *adev)
199{
200 u32 tmp;
201
202 /* unblackout the MC */
203 tmp = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
204 tmp = REG_SET_FIELD(tmp, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0);
205 WREG32(mmMC_SHARED_BLACKOUT_CNTL, tmp);
206 /* allow CPU access */
207 tmp = REG_SET_FIELD(0, BIF_FB_EN, FB_READ_EN, 1);
208 tmp = REG_SET_FIELD(tmp, BIF_FB_EN, FB_WRITE_EN, 1);
209 WREG32(mmBIF_FB_EN, tmp);
210}
211
212/**
213 * gmc_v8_0_init_microcode - load ucode images from disk
214 *
215 * @adev: amdgpu_device pointer
216 *
217 * Use the firmware interface to load the ucode images into
218 * the driver (not loaded into hw).
219 * Returns 0 on success, error on failure.
220 */
221static int gmc_v8_0_init_microcode(struct amdgpu_device *adev)
222{
223 const char *chip_name;
224 char fw_name[30];
225 int err;
226
227 DRM_DEBUG("\n");
228
229 switch (adev->asic_type) {
230 case CHIP_TONGA:
231 chip_name = "tonga";
232 break;
233 case CHIP_POLARIS11:
234 if (ASICID_IS_P21(adev->pdev->device, adev->pdev->revision) ||
235 ASICID_IS_P31(adev->pdev->device, adev->pdev->revision))
236 chip_name = "polaris11_k";
237 else
238 chip_name = "polaris11";
239 break;
240 case CHIP_POLARIS10:
241 if (ASICID_IS_P30(adev->pdev->device, adev->pdev->revision))
242 chip_name = "polaris10_k";
243 else
244 chip_name = "polaris10";
245 break;
246 case CHIP_POLARIS12:
247 if (ASICID_IS_P23(adev->pdev->device, adev->pdev->revision)) {
248 chip_name = "polaris12_k";
249 } else {
250 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, ixMC_IO_DEBUG_UP_159);
251 /* Polaris12 32bit ASIC needs a special MC firmware */
252 if (RREG32(mmMC_SEQ_IO_DEBUG_DATA) == 0x05b4dc40)
253 chip_name = "polaris12_32";
254 else
255 chip_name = "polaris12";
256 }
257 break;
258 case CHIP_FIJI:
259 case CHIP_CARRIZO:
260 case CHIP_STONEY:
261 case CHIP_VEGAM:
262 return 0;
263 default: BUG();
264 }
265
266 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", chip_name);
267 err = request_firmware(&adev->gmc.fw, fw_name, adev->dev);
268 if (err)
269 goto out;
270 err = amdgpu_ucode_validate(adev->gmc.fw);
271
272out:
273 if (err) {
274 pr_err("mc: Failed to load firmware \"%s\"\n", fw_name);
275 release_firmware(adev->gmc.fw);
276 adev->gmc.fw = NULL;
277 }
278 return err;
279}
280
281/**
282 * gmc_v8_0_tonga_mc_load_microcode - load tonga MC ucode into the hw
283 *
284 * @adev: amdgpu_device pointer
285 *
286 * Load the GDDR MC ucode into the hw (VI).
287 * Returns 0 on success, error on failure.
288 */
289static int gmc_v8_0_tonga_mc_load_microcode(struct amdgpu_device *adev)
290{
291 const struct mc_firmware_header_v1_0 *hdr;
292 const __le32 *fw_data = NULL;
293 const __le32 *io_mc_regs = NULL;
294 u32 running;
295 int i, ucode_size, regs_size;
296
297 /* Skip MC ucode loading on SR-IOV capable boards.
298 * vbios does this for us in asic_init in that case.
299 * Skip MC ucode loading on VF, because hypervisor will do that
300 * for this adaptor.
301 */
302 if (amdgpu_sriov_bios(adev))
303 return 0;
304
305 if (!adev->gmc.fw)
306 return -EINVAL;
307
308 hdr = (const struct mc_firmware_header_v1_0 *)adev->gmc.fw->data;
309 amdgpu_ucode_print_mc_hdr(&hdr->header);
310
311 adev->gmc.fw_version = le32_to_cpu(hdr->header.ucode_version);
312 regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2);
313 io_mc_regs = (const __le32 *)
314 (adev->gmc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes));
315 ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
316 fw_data = (const __le32 *)
317 (adev->gmc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
318
319 running = REG_GET_FIELD(RREG32(mmMC_SEQ_SUP_CNTL), MC_SEQ_SUP_CNTL, RUN);
320
321 if (running == 0) {
322 /* reset the engine and set to writable */
323 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
324 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010);
325
326 /* load mc io regs */
327 for (i = 0; i < regs_size; i++) {
328 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(io_mc_regs++));
329 WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(io_mc_regs++));
330 }
331 /* load the MC ucode */
332 for (i = 0; i < ucode_size; i++)
333 WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(fw_data++));
334
335 /* put the engine back into the active state */
336 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
337 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004);
338 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001);
339
340 /* wait for training to complete */
341 for (i = 0; i < adev->usec_timeout; i++) {
342 if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL),
343 MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D0))
344 break;
345 udelay(1);
346 }
347 for (i = 0; i < adev->usec_timeout; i++) {
348 if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL),
349 MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D1))
350 break;
351 udelay(1);
352 }
353 }
354
355 return 0;
356}
357
358static int gmc_v8_0_polaris_mc_load_microcode(struct amdgpu_device *adev)
359{
360 const struct mc_firmware_header_v1_0 *hdr;
361 const __le32 *fw_data = NULL;
362 const __le32 *io_mc_regs = NULL;
363 u32 data;
364 int i, ucode_size, regs_size;
365
366 /* Skip MC ucode loading on SR-IOV capable boards.
367 * vbios does this for us in asic_init in that case.
368 * Skip MC ucode loading on VF, because hypervisor will do that
369 * for this adaptor.
370 */
371 if (amdgpu_sriov_bios(adev))
372 return 0;
373
374 if (!adev->gmc.fw)
375 return -EINVAL;
376
377 hdr = (const struct mc_firmware_header_v1_0 *)adev->gmc.fw->data;
378 amdgpu_ucode_print_mc_hdr(&hdr->header);
379
380 adev->gmc.fw_version = le32_to_cpu(hdr->header.ucode_version);
381 regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2);
382 io_mc_regs = (const __le32 *)
383 (adev->gmc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes));
384 ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
385 fw_data = (const __le32 *)
386 (adev->gmc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
387
388 data = RREG32(mmMC_SEQ_MISC0);
389 data &= ~(0x40);
390 WREG32(mmMC_SEQ_MISC0, data);
391
392 /* load mc io regs */
393 for (i = 0; i < regs_size; i++) {
394 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(io_mc_regs++));
395 WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(io_mc_regs++));
396 }
397
398 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
399 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010);
400
401 /* load the MC ucode */
402 for (i = 0; i < ucode_size; i++)
403 WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(fw_data++));
404
405 /* put the engine back into the active state */
406 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
407 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004);
408 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001);
409
410 /* wait for training to complete */
411 for (i = 0; i < adev->usec_timeout; i++) {
412 data = RREG32(mmMC_SEQ_MISC0);
413 if (data & 0x80)
414 break;
415 udelay(1);
416 }
417
418 return 0;
419}
420
421static void gmc_v8_0_vram_gtt_location(struct amdgpu_device *adev,
422 struct amdgpu_gmc *mc)
423{
424 u64 base = 0;
425
426 if (!amdgpu_sriov_vf(adev))
427 base = RREG32(mmMC_VM_FB_LOCATION) & 0xFFFF;
428 base <<= 24;
429
430 amdgpu_gmc_vram_location(adev, mc, base);
431 amdgpu_gmc_gart_location(adev, mc);
432}
433
434/**
435 * gmc_v8_0_mc_program - program the GPU memory controller
436 *
437 * @adev: amdgpu_device pointer
438 *
439 * Set the location of vram, gart, and AGP in the GPU's
440 * physical address space (VI).
441 */
442static void gmc_v8_0_mc_program(struct amdgpu_device *adev)
443{
444 u32 tmp;
445 int i, j;
446
447 /* Initialize HDP */
448 for (i = 0, j = 0; i < 32; i++, j += 0x6) {
449 WREG32((0xb05 + j), 0x00000000);
450 WREG32((0xb06 + j), 0x00000000);
451 WREG32((0xb07 + j), 0x00000000);
452 WREG32((0xb08 + j), 0x00000000);
453 WREG32((0xb09 + j), 0x00000000);
454 }
455 WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0);
456
457 if (gmc_v8_0_wait_for_idle((void *)adev)) {
458 dev_warn(adev->dev, "Wait for MC idle timedout !\n");
459 }
460 if (adev->mode_info.num_crtc) {
461 /* Lockout access through VGA aperture*/
462 tmp = RREG32(mmVGA_HDP_CONTROL);
463 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
464 WREG32(mmVGA_HDP_CONTROL, tmp);
465
466 /* disable VGA render */
467 tmp = RREG32(mmVGA_RENDER_CONTROL);
468 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
469 WREG32(mmVGA_RENDER_CONTROL, tmp);
470 }
471 /* Update configuration */
472 WREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
473 adev->gmc.vram_start >> 12);
474 WREG32(mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
475 adev->gmc.vram_end >> 12);
476 WREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR,
477 adev->vram_scratch.gpu_addr >> 12);
478
479 if (amdgpu_sriov_vf(adev)) {
480 tmp = ((adev->gmc.vram_end >> 24) & 0xFFFF) << 16;
481 tmp |= ((adev->gmc.vram_start >> 24) & 0xFFFF);
482 WREG32(mmMC_VM_FB_LOCATION, tmp);
483 /* XXX double check these! */
484 WREG32(mmHDP_NONSURFACE_BASE, (adev->gmc.vram_start >> 8));
485 WREG32(mmHDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
486 WREG32(mmHDP_NONSURFACE_SIZE, 0x3FFFFFFF);
487 }
488
489 WREG32(mmMC_VM_AGP_BASE, 0);
490 WREG32(mmMC_VM_AGP_TOP, 0x0FFFFFFF);
491 WREG32(mmMC_VM_AGP_BOT, 0x0FFFFFFF);
492 if (gmc_v8_0_wait_for_idle((void *)adev)) {
493 dev_warn(adev->dev, "Wait for MC idle timedout !\n");
494 }
495
496 WREG32(mmBIF_FB_EN, BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK);
497
498 tmp = RREG32(mmHDP_MISC_CNTL);
499 tmp = REG_SET_FIELD(tmp, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 0);
500 WREG32(mmHDP_MISC_CNTL, tmp);
501
502 tmp = RREG32(mmHDP_HOST_PATH_CNTL);
503 WREG32(mmHDP_HOST_PATH_CNTL, tmp);
504}
505
506/**
507 * gmc_v8_0_mc_init - initialize the memory controller driver params
508 *
509 * @adev: amdgpu_device pointer
510 *
511 * Look up the amount of vram, vram width, and decide how to place
512 * vram and gart within the GPU's physical address space (VI).
513 * Returns 0 for success.
514 */
515static int gmc_v8_0_mc_init(struct amdgpu_device *adev)
516{
517 int r;
518 u32 tmp;
519
520 adev->gmc.vram_width = amdgpu_atombios_get_vram_width(adev);
521 if (!adev->gmc.vram_width) {
522 int chansize, numchan;
523
524 /* Get VRAM informations */
525 tmp = RREG32(mmMC_ARB_RAMCFG);
526 if (REG_GET_FIELD(tmp, MC_ARB_RAMCFG, CHANSIZE)) {
527 chansize = 64;
528 } else {
529 chansize = 32;
530 }
531 tmp = RREG32(mmMC_SHARED_CHMAP);
532 switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
533 case 0:
534 default:
535 numchan = 1;
536 break;
537 case 1:
538 numchan = 2;
539 break;
540 case 2:
541 numchan = 4;
542 break;
543 case 3:
544 numchan = 8;
545 break;
546 case 4:
547 numchan = 3;
548 break;
549 case 5:
550 numchan = 6;
551 break;
552 case 6:
553 numchan = 10;
554 break;
555 case 7:
556 numchan = 12;
557 break;
558 case 8:
559 numchan = 16;
560 break;
561 }
562 adev->gmc.vram_width = numchan * chansize;
563 }
564 /* size in MB on si */
565 tmp = RREG32(mmCONFIG_MEMSIZE);
566 /* some boards may have garbage in the upper 16 bits */
567 if (tmp & 0xffff0000) {
568 DRM_INFO("Probable bad vram size: 0x%08x\n", tmp);
569 if (tmp & 0xffff)
570 tmp &= 0xffff;
571 }
572 adev->gmc.mc_vram_size = tmp * 1024ULL * 1024ULL;
573 adev->gmc.real_vram_size = adev->gmc.mc_vram_size;
574
575 if (!(adev->flags & AMD_IS_APU)) {
576 r = amdgpu_device_resize_fb_bar(adev);
577 if (r)
578 return r;
579 }
580 adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
581 adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
582
583#ifdef CONFIG_X86_64
584 if ((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) {
585 adev->gmc.aper_base = ((u64)RREG32(mmMC_VM_FB_OFFSET)) << 22;
586 adev->gmc.aper_size = adev->gmc.real_vram_size;
587 }
588#endif
589
590 /* In case the PCI BAR is larger than the actual amount of vram */
591 adev->gmc.visible_vram_size = adev->gmc.aper_size;
592 if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size)
593 adev->gmc.visible_vram_size = adev->gmc.real_vram_size;
594
595 /* set the gart size */
596 if (amdgpu_gart_size == -1) {
597 switch (adev->asic_type) {
598 case CHIP_POLARIS10: /* all engines support GPUVM */
599 case CHIP_POLARIS11: /* all engines support GPUVM */
600 case CHIP_POLARIS12: /* all engines support GPUVM */
601 case CHIP_VEGAM: /* all engines support GPUVM */
602 default:
603 adev->gmc.gart_size = 256ULL << 20;
604 break;
605 case CHIP_TONGA: /* UVD, VCE do not support GPUVM */
606 case CHIP_FIJI: /* UVD, VCE do not support GPUVM */
607 case CHIP_CARRIZO: /* UVD, VCE do not support GPUVM, DCE SG support */
608 case CHIP_STONEY: /* UVD does not support GPUVM, DCE SG support */
609 adev->gmc.gart_size = 1024ULL << 20;
610 break;
611 }
612 } else {
613 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20;
614 }
615
616 adev->gmc.gart_size += adev->pm.smu_prv_buffer_size;
617 gmc_v8_0_vram_gtt_location(adev, &adev->gmc);
618
619 return 0;
620}
621
622/**
623 * gmc_v8_0_flush_gpu_tlb_pasid - tlb flush via pasid
624 *
625 * @adev: amdgpu_device pointer
626 * @pasid: pasid to be flush
627 * @flush_type: type of flush
628 * @all_hub: flush all hubs
629 *
630 * Flush the TLB for the requested pasid.
631 */
632static int gmc_v8_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
633 uint16_t pasid, uint32_t flush_type,
634 bool all_hub)
635{
636 int vmid;
637 unsigned int tmp;
638
639 if (amdgpu_in_reset(adev))
640 return -EIO;
641
642 for (vmid = 1; vmid < 16; vmid++) {
643
644 tmp = RREG32(mmATC_VMID0_PASID_MAPPING + vmid);
645 if ((tmp & ATC_VMID0_PASID_MAPPING__VALID_MASK) &&
646 (tmp & ATC_VMID0_PASID_MAPPING__PASID_MASK) == pasid) {
647 WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid);
648 RREG32(mmVM_INVALIDATE_RESPONSE);
649 break;
650 }
651 }
652
653 return 0;
654
655}
656
657/*
658 * GART
659 * VMID 0 is the physical GPU addresses as used by the kernel.
660 * VMIDs 1-15 are used for userspace clients and are handled
661 * by the amdgpu vm/hsa code.
662 */
663
664/**
665 * gmc_v8_0_flush_gpu_tlb - gart tlb flush callback
666 *
667 * @adev: amdgpu_device pointer
668 * @vmid: vm instance to flush
669 * @vmhub: which hub to flush
670 * @flush_type: type of flush
671 *
672 * Flush the TLB for the requested page table (VI).
673 */
674static void gmc_v8_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
675 uint32_t vmhub, uint32_t flush_type)
676{
677 /* bits 0-15 are the VM contexts0-15 */
678 WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid);
679}
680
681static uint64_t gmc_v8_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
682 unsigned vmid, uint64_t pd_addr)
683{
684 uint32_t reg;
685
686 if (vmid < 8)
687 reg = mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vmid;
688 else
689 reg = mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + vmid - 8;
690 amdgpu_ring_emit_wreg(ring, reg, pd_addr >> 12);
691
692 /* bits 0-15 are the VM contexts0-15 */
693 amdgpu_ring_emit_wreg(ring, mmVM_INVALIDATE_REQUEST, 1 << vmid);
694
695 return pd_addr;
696}
697
698static void gmc_v8_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid,
699 unsigned pasid)
700{
701 amdgpu_ring_emit_wreg(ring, mmIH_VMID_0_LUT + vmid, pasid);
702}
703
704/*
705 * PTE format on VI:
706 * 63:40 reserved
707 * 39:12 4k physical page base address
708 * 11:7 fragment
709 * 6 write
710 * 5 read
711 * 4 exe
712 * 3 reserved
713 * 2 snooped
714 * 1 system
715 * 0 valid
716 *
717 * PDE format on VI:
718 * 63:59 block fragment size
719 * 58:40 reserved
720 * 39:1 physical base address of PTE
721 * bits 5:1 must be 0.
722 * 0 valid
723 */
724
725static void gmc_v8_0_get_vm_pde(struct amdgpu_device *adev, int level,
726 uint64_t *addr, uint64_t *flags)
727{
728 BUG_ON(*addr & 0xFFFFFF0000000FFFULL);
729}
730
731static void gmc_v8_0_get_vm_pte(struct amdgpu_device *adev,
732 struct amdgpu_bo_va_mapping *mapping,
733 uint64_t *flags)
734{
735 *flags &= ~AMDGPU_PTE_EXECUTABLE;
736 *flags |= mapping->flags & AMDGPU_PTE_EXECUTABLE;
737 *flags &= ~AMDGPU_PTE_PRT;
738}
739
740/**
741 * gmc_v8_0_set_fault_enable_default - update VM fault handling
742 *
743 * @adev: amdgpu_device pointer
744 * @value: true redirects VM faults to the default page
745 */
746static void gmc_v8_0_set_fault_enable_default(struct amdgpu_device *adev,
747 bool value)
748{
749 u32 tmp;
750
751 tmp = RREG32(mmVM_CONTEXT1_CNTL);
752 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
753 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
754 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
755 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
756 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
757 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
758 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
759 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
760 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
761 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
762 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
763 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
764 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
765 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
766 WREG32(mmVM_CONTEXT1_CNTL, tmp);
767}
768
769/**
770 * gmc_v8_0_set_prt - set PRT VM fault
771 *
772 * @adev: amdgpu_device pointer
773 * @enable: enable/disable VM fault handling for PRT
774*/
775static void gmc_v8_0_set_prt(struct amdgpu_device *adev, bool enable)
776{
777 u32 tmp;
778
779 if (enable && !adev->gmc.prt_warning) {
780 dev_warn(adev->dev, "Disabling VM faults because of PRT request!\n");
781 adev->gmc.prt_warning = true;
782 }
783
784 tmp = RREG32(mmVM_PRT_CNTL);
785 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
786 CB_DISABLE_READ_FAULT_ON_UNMAPPED_ACCESS, enable);
787 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
788 CB_DISABLE_WRITE_FAULT_ON_UNMAPPED_ACCESS, enable);
789 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
790 TC_DISABLE_READ_FAULT_ON_UNMAPPED_ACCESS, enable);
791 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
792 TC_DISABLE_WRITE_FAULT_ON_UNMAPPED_ACCESS, enable);
793 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
794 L2_CACHE_STORE_INVALID_ENTRIES, enable);
795 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
796 L1_TLB_STORE_INVALID_ENTRIES, enable);
797 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
798 MASK_PDE0_FAULT, enable);
799 WREG32(mmVM_PRT_CNTL, tmp);
800
801 if (enable) {
802 uint32_t low = AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT;
803 uint32_t high = adev->vm_manager.max_pfn -
804 (AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT);
805
806 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, low);
807 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, low);
808 WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, low);
809 WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, low);
810 WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, high);
811 WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, high);
812 WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, high);
813 WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, high);
814 } else {
815 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, 0xfffffff);
816 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, 0xfffffff);
817 WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, 0xfffffff);
818 WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, 0xfffffff);
819 WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, 0x0);
820 WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, 0x0);
821 WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, 0x0);
822 WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, 0x0);
823 }
824}
825
826/**
827 * gmc_v8_0_gart_enable - gart enable
828 *
829 * @adev: amdgpu_device pointer
830 *
831 * This sets up the TLBs, programs the page tables for VMID0,
832 * sets up the hw for VMIDs 1-15 which are allocated on
833 * demand, and sets up the global locations for the LDS, GDS,
834 * and GPUVM for FSA64 clients (VI).
835 * Returns 0 for success, errors for failure.
836 */
837static int gmc_v8_0_gart_enable(struct amdgpu_device *adev)
838{
839 uint64_t table_addr;
840 u32 tmp, field;
841 int i;
842
843 if (adev->gart.bo == NULL) {
844 dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
845 return -EINVAL;
846 }
847 amdgpu_gtt_mgr_recover(&adev->mman.gtt_mgr);
848 table_addr = amdgpu_bo_gpu_offset(adev->gart.bo);
849
850 /* Setup TLB control */
851 tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL);
852 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
853 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 1);
854 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
855 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 1);
856 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
857 WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp);
858 /* Setup L2 cache */
859 tmp = RREG32(mmVM_L2_CNTL);
860 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
861 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
862 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE, 1);
863 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE, 1);
864 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, EFFECTIVE_L2_QUEUE_SIZE, 7);
865 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
866 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);
867 WREG32(mmVM_L2_CNTL, tmp);
868 tmp = RREG32(mmVM_L2_CNTL2);
869 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
870 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
871 WREG32(mmVM_L2_CNTL2, tmp);
872
873 field = adev->vm_manager.fragment_size;
874 tmp = RREG32(mmVM_L2_CNTL3);
875 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY, 1);
876 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, field);
877 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, field);
878 WREG32(mmVM_L2_CNTL3, tmp);
879 /* XXX: set to enable PTE/PDE in system memory */
880 tmp = RREG32(mmVM_L2_CNTL4);
881 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_PHYSICAL, 0);
882 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_SHARED, 0);
883 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_SNOOP, 0);
884 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_PHYSICAL, 0);
885 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_SHARED, 0);
886 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_SNOOP, 0);
887 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_PHYSICAL, 0);
888 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_SHARED, 0);
889 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_SNOOP, 0);
890 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_PHYSICAL, 0);
891 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_SHARED, 0);
892 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_SNOOP, 0);
893 WREG32(mmVM_L2_CNTL4, tmp);
894 /* setup context0 */
895 WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->gmc.gart_start >> 12);
896 WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->gmc.gart_end >> 12);
897 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, table_addr >> 12);
898 WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
899 (u32)(adev->dummy_page_addr >> 12));
900 WREG32(mmVM_CONTEXT0_CNTL2, 0);
901 tmp = RREG32(mmVM_CONTEXT0_CNTL);
902 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
903 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
904 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
905 WREG32(mmVM_CONTEXT0_CNTL, tmp);
906
907 WREG32(mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR, 0);
908 WREG32(mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR, 0);
909 WREG32(mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET, 0);
910
911 /* empty context1-15 */
912 /* FIXME start with 4G, once using 2 level pt switch to full
913 * vm size space
914 */
915 /* set vm size, must be a multiple of 4 */
916 WREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
917 WREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR, adev->vm_manager.max_pfn - 1);
918 for (i = 1; i < AMDGPU_NUM_VMID; i++) {
919 if (i < 8)
920 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i,
921 table_addr >> 12);
922 else
923 WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + i - 8,
924 table_addr >> 12);
925 }
926
927 /* enable context1-15 */
928 WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
929 (u32)(adev->dummy_page_addr >> 12));
930 WREG32(mmVM_CONTEXT1_CNTL2, 4);
931 tmp = RREG32(mmVM_CONTEXT1_CNTL);
932 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
933 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 1);
934 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
935 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
936 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
937 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
938 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
939 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
940 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
941 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_BLOCK_SIZE,
942 adev->vm_manager.block_size - 9);
943 WREG32(mmVM_CONTEXT1_CNTL, tmp);
944 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
945 gmc_v8_0_set_fault_enable_default(adev, false);
946 else
947 gmc_v8_0_set_fault_enable_default(adev, true);
948
949 gmc_v8_0_flush_gpu_tlb(adev, 0, 0, 0);
950 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
951 (unsigned)(adev->gmc.gart_size >> 20),
952 (unsigned long long)table_addr);
953 return 0;
954}
955
956static int gmc_v8_0_gart_init(struct amdgpu_device *adev)
957{
958 int r;
959
960 if (adev->gart.bo) {
961 WARN(1, "R600 PCIE GART already initialized\n");
962 return 0;
963 }
964 /* Initialize common gart structure */
965 r = amdgpu_gart_init(adev);
966 if (r)
967 return r;
968 adev->gart.table_size = adev->gart.num_gpu_pages * 8;
969 adev->gart.gart_pte_flags = AMDGPU_PTE_EXECUTABLE;
970 return amdgpu_gart_table_vram_alloc(adev);
971}
972
973/**
974 * gmc_v8_0_gart_disable - gart disable
975 *
976 * @adev: amdgpu_device pointer
977 *
978 * This disables all VM page table (VI).
979 */
980static void gmc_v8_0_gart_disable(struct amdgpu_device *adev)
981{
982 u32 tmp;
983
984 /* Disable all tables */
985 WREG32(mmVM_CONTEXT0_CNTL, 0);
986 WREG32(mmVM_CONTEXT1_CNTL, 0);
987 /* Setup TLB control */
988 tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL);
989 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
990 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 0);
991 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 0);
992 WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp);
993 /* Setup L2 cache */
994 tmp = RREG32(mmVM_L2_CNTL);
995 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
996 WREG32(mmVM_L2_CNTL, tmp);
997 WREG32(mmVM_L2_CNTL2, 0);
998}
999
1000/**
1001 * gmc_v8_0_vm_decode_fault - print human readable fault info
1002 *
1003 * @adev: amdgpu_device pointer
1004 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
1005 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
1006 * @mc_client: VM_CONTEXT1_PROTECTION_FAULT_MCCLIENT register value
1007 * @pasid: debug logging only - no functional use
1008 *
1009 * Print human readable fault information (VI).
1010 */
1011static void gmc_v8_0_vm_decode_fault(struct amdgpu_device *adev, u32 status,
1012 u32 addr, u32 mc_client, unsigned pasid)
1013{
1014 u32 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, VMID);
1015 u32 protections = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1016 PROTECTIONS);
1017 char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff,
1018 (mc_client >> 8) & 0xff, mc_client & 0xff, 0 };
1019 u32 mc_id;
1020
1021 mc_id = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1022 MEMORY_CLIENT_ID);
1023
1024 dev_err(adev->dev, "VM fault (0x%02x, vmid %d, pasid %d) at page %u, %s from '%s' (0x%08x) (%d)\n",
1025 protections, vmid, pasid, addr,
1026 REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1027 MEMORY_CLIENT_RW) ?
1028 "write" : "read", block, mc_client, mc_id);
1029}
1030
1031static int gmc_v8_0_convert_vram_type(int mc_seq_vram_type)
1032{
1033 switch (mc_seq_vram_type) {
1034 case MC_SEQ_MISC0__MT__GDDR1:
1035 return AMDGPU_VRAM_TYPE_GDDR1;
1036 case MC_SEQ_MISC0__MT__DDR2:
1037 return AMDGPU_VRAM_TYPE_DDR2;
1038 case MC_SEQ_MISC0__MT__GDDR3:
1039 return AMDGPU_VRAM_TYPE_GDDR3;
1040 case MC_SEQ_MISC0__MT__GDDR4:
1041 return AMDGPU_VRAM_TYPE_GDDR4;
1042 case MC_SEQ_MISC0__MT__GDDR5:
1043 return AMDGPU_VRAM_TYPE_GDDR5;
1044 case MC_SEQ_MISC0__MT__HBM:
1045 return AMDGPU_VRAM_TYPE_HBM;
1046 case MC_SEQ_MISC0__MT__DDR3:
1047 return AMDGPU_VRAM_TYPE_DDR3;
1048 default:
1049 return AMDGPU_VRAM_TYPE_UNKNOWN;
1050 }
1051}
1052
1053static int gmc_v8_0_early_init(void *handle)
1054{
1055 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1056
1057 gmc_v8_0_set_gmc_funcs(adev);
1058 gmc_v8_0_set_irq_funcs(adev);
1059
1060 adev->gmc.shared_aperture_start = 0x2000000000000000ULL;
1061 adev->gmc.shared_aperture_end =
1062 adev->gmc.shared_aperture_start + (4ULL << 30) - 1;
1063 adev->gmc.private_aperture_start =
1064 adev->gmc.shared_aperture_end + 1;
1065 adev->gmc.private_aperture_end =
1066 adev->gmc.private_aperture_start + (4ULL << 30) - 1;
1067
1068 return 0;
1069}
1070
1071static int gmc_v8_0_late_init(void *handle)
1072{
1073 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1074
1075 if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS)
1076 return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0);
1077 else
1078 return 0;
1079}
1080
1081static unsigned gmc_v8_0_get_vbios_fb_size(struct amdgpu_device *adev)
1082{
1083 u32 d1vga_control = RREG32(mmD1VGA_CONTROL);
1084 unsigned size;
1085
1086 if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) {
1087 size = AMDGPU_VBIOS_VGA_ALLOCATION;
1088 } else {
1089 u32 viewport = RREG32(mmVIEWPORT_SIZE);
1090 size = (REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_HEIGHT) *
1091 REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_WIDTH) *
1092 4);
1093 }
1094
1095 return size;
1096}
1097
1098#define mmMC_SEQ_MISC0_FIJI 0xA71
1099
1100static int gmc_v8_0_sw_init(void *handle)
1101{
1102 int r;
1103 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1104
1105 adev->num_vmhubs = 1;
1106
1107 if (adev->flags & AMD_IS_APU) {
1108 adev->gmc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
1109 } else {
1110 u32 tmp;
1111
1112 if ((adev->asic_type == CHIP_FIJI) ||
1113 (adev->asic_type == CHIP_VEGAM))
1114 tmp = RREG32(mmMC_SEQ_MISC0_FIJI);
1115 else
1116 tmp = RREG32(mmMC_SEQ_MISC0);
1117 tmp &= MC_SEQ_MISC0__MT__MASK;
1118 adev->gmc.vram_type = gmc_v8_0_convert_vram_type(tmp);
1119 }
1120
1121 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_GFX_PAGE_INV_FAULT, &adev->gmc.vm_fault);
1122 if (r)
1123 return r;
1124
1125 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_GFX_MEM_PROT_FAULT, &adev->gmc.vm_fault);
1126 if (r)
1127 return r;
1128
1129 /* Adjust VM size here.
1130 * Currently set to 4GB ((1 << 20) 4k pages).
1131 * Max GPUVM size for cayman and SI is 40 bits.
1132 */
1133 amdgpu_vm_adjust_size(adev, 64, 9, 1, 40);
1134
1135 /* Set the internal MC address mask
1136 * This is the max address of the GPU's
1137 * internal address space.
1138 */
1139 adev->gmc.mc_mask = 0xffffffffffULL; /* 40 bit MC */
1140
1141 r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(40));
1142 if (r) {
1143 pr_warn("No suitable DMA available\n");
1144 return r;
1145 }
1146 adev->need_swiotlb = drm_need_swiotlb(40);
1147
1148 r = gmc_v8_0_init_microcode(adev);
1149 if (r) {
1150 DRM_ERROR("Failed to load mc firmware!\n");
1151 return r;
1152 }
1153
1154 r = gmc_v8_0_mc_init(adev);
1155 if (r)
1156 return r;
1157
1158 amdgpu_gmc_get_vbios_allocations(adev);
1159
1160 /* Memory manager */
1161 r = amdgpu_bo_init(adev);
1162 if (r)
1163 return r;
1164
1165 r = gmc_v8_0_gart_init(adev);
1166 if (r)
1167 return r;
1168
1169 /*
1170 * number of VMs
1171 * VMID 0 is reserved for System
1172 * amdgpu graphics/compute will use VMIDs 1-7
1173 * amdkfd will use VMIDs 8-15
1174 */
1175 adev->vm_manager.first_kfd_vmid = 8;
1176 amdgpu_vm_manager_init(adev);
1177
1178 /* base offset of vram pages */
1179 if (adev->flags & AMD_IS_APU) {
1180 u64 tmp = RREG32(mmMC_VM_FB_OFFSET);
1181
1182 tmp <<= 22;
1183 adev->vm_manager.vram_base_offset = tmp;
1184 } else {
1185 adev->vm_manager.vram_base_offset = 0;
1186 }
1187
1188 adev->gmc.vm_fault_info = kmalloc(sizeof(struct kfd_vm_fault_info),
1189 GFP_KERNEL);
1190 if (!adev->gmc.vm_fault_info)
1191 return -ENOMEM;
1192 atomic_set(&adev->gmc.vm_fault_info_updated, 0);
1193
1194 return 0;
1195}
1196
1197static int gmc_v8_0_sw_fini(void *handle)
1198{
1199 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1200
1201 amdgpu_gem_force_release(adev);
1202 amdgpu_vm_manager_fini(adev);
1203 kfree(adev->gmc.vm_fault_info);
1204 amdgpu_gart_table_vram_free(adev);
1205 amdgpu_bo_fini(adev);
1206 release_firmware(adev->gmc.fw);
1207 adev->gmc.fw = NULL;
1208
1209 return 0;
1210}
1211
1212static int gmc_v8_0_hw_init(void *handle)
1213{
1214 int r;
1215 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1216
1217 gmc_v8_0_init_golden_registers(adev);
1218
1219 gmc_v8_0_mc_program(adev);
1220
1221 if (adev->asic_type == CHIP_TONGA) {
1222 r = gmc_v8_0_tonga_mc_load_microcode(adev);
1223 if (r) {
1224 DRM_ERROR("Failed to load MC firmware!\n");
1225 return r;
1226 }
1227 } else if (adev->asic_type == CHIP_POLARIS11 ||
1228 adev->asic_type == CHIP_POLARIS10 ||
1229 adev->asic_type == CHIP_POLARIS12) {
1230 r = gmc_v8_0_polaris_mc_load_microcode(adev);
1231 if (r) {
1232 DRM_ERROR("Failed to load MC firmware!\n");
1233 return r;
1234 }
1235 }
1236
1237 r = gmc_v8_0_gart_enable(adev);
1238 if (r)
1239 return r;
1240
1241 if (amdgpu_emu_mode == 1)
1242 return amdgpu_gmc_vram_checking(adev);
1243 else
1244 return r;
1245}
1246
1247static int gmc_v8_0_hw_fini(void *handle)
1248{
1249 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1250
1251 amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
1252 gmc_v8_0_gart_disable(adev);
1253
1254 return 0;
1255}
1256
1257static int gmc_v8_0_suspend(void *handle)
1258{
1259 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1260
1261 gmc_v8_0_hw_fini(adev);
1262
1263 return 0;
1264}
1265
1266static int gmc_v8_0_resume(void *handle)
1267{
1268 int r;
1269 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1270
1271 r = gmc_v8_0_hw_init(adev);
1272 if (r)
1273 return r;
1274
1275 amdgpu_vmid_reset_all(adev);
1276
1277 return 0;
1278}
1279
1280static bool gmc_v8_0_is_idle(void *handle)
1281{
1282 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1283 u32 tmp = RREG32(mmSRBM_STATUS);
1284
1285 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1286 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK | SRBM_STATUS__VMC_BUSY_MASK))
1287 return false;
1288
1289 return true;
1290}
1291
1292static int gmc_v8_0_wait_for_idle(void *handle)
1293{
1294 unsigned i;
1295 u32 tmp;
1296 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1297
1298 for (i = 0; i < adev->usec_timeout; i++) {
1299 /* read MC_STATUS */
1300 tmp = RREG32(mmSRBM_STATUS) & (SRBM_STATUS__MCB_BUSY_MASK |
1301 SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1302 SRBM_STATUS__MCC_BUSY_MASK |
1303 SRBM_STATUS__MCD_BUSY_MASK |
1304 SRBM_STATUS__VMC_BUSY_MASK |
1305 SRBM_STATUS__VMC1_BUSY_MASK);
1306 if (!tmp)
1307 return 0;
1308 udelay(1);
1309 }
1310 return -ETIMEDOUT;
1311
1312}
1313
1314static bool gmc_v8_0_check_soft_reset(void *handle)
1315{
1316 u32 srbm_soft_reset = 0;
1317 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1318 u32 tmp = RREG32(mmSRBM_STATUS);
1319
1320 if (tmp & SRBM_STATUS__VMC_BUSY_MASK)
1321 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
1322 SRBM_SOFT_RESET, SOFT_RESET_VMC, 1);
1323
1324 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1325 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK)) {
1326 if (!(adev->flags & AMD_IS_APU))
1327 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
1328 SRBM_SOFT_RESET, SOFT_RESET_MC, 1);
1329 }
1330 if (srbm_soft_reset) {
1331 adev->gmc.srbm_soft_reset = srbm_soft_reset;
1332 return true;
1333 } else {
1334 adev->gmc.srbm_soft_reset = 0;
1335 return false;
1336 }
1337}
1338
1339static int gmc_v8_0_pre_soft_reset(void *handle)
1340{
1341 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1342
1343 if (!adev->gmc.srbm_soft_reset)
1344 return 0;
1345
1346 gmc_v8_0_mc_stop(adev);
1347 if (gmc_v8_0_wait_for_idle(adev)) {
1348 dev_warn(adev->dev, "Wait for GMC idle timed out !\n");
1349 }
1350
1351 return 0;
1352}
1353
1354static int gmc_v8_0_soft_reset(void *handle)
1355{
1356 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1357 u32 srbm_soft_reset;
1358
1359 if (!adev->gmc.srbm_soft_reset)
1360 return 0;
1361 srbm_soft_reset = adev->gmc.srbm_soft_reset;
1362
1363 if (srbm_soft_reset) {
1364 u32 tmp;
1365
1366 tmp = RREG32(mmSRBM_SOFT_RESET);
1367 tmp |= srbm_soft_reset;
1368 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1369 WREG32(mmSRBM_SOFT_RESET, tmp);
1370 tmp = RREG32(mmSRBM_SOFT_RESET);
1371
1372 udelay(50);
1373
1374 tmp &= ~srbm_soft_reset;
1375 WREG32(mmSRBM_SOFT_RESET, tmp);
1376 tmp = RREG32(mmSRBM_SOFT_RESET);
1377
1378 /* Wait a little for things to settle down */
1379 udelay(50);
1380 }
1381
1382 return 0;
1383}
1384
1385static int gmc_v8_0_post_soft_reset(void *handle)
1386{
1387 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1388
1389 if (!adev->gmc.srbm_soft_reset)
1390 return 0;
1391
1392 gmc_v8_0_mc_resume(adev);
1393 return 0;
1394}
1395
1396static int gmc_v8_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
1397 struct amdgpu_irq_src *src,
1398 unsigned type,
1399 enum amdgpu_interrupt_state state)
1400{
1401 u32 tmp;
1402 u32 bits = (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1403 VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1404 VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1405 VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1406 VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1407 VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1408 VM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK);
1409
1410 switch (state) {
1411 case AMDGPU_IRQ_STATE_DISABLE:
1412 /* system context */
1413 tmp = RREG32(mmVM_CONTEXT0_CNTL);
1414 tmp &= ~bits;
1415 WREG32(mmVM_CONTEXT0_CNTL, tmp);
1416 /* VMs */
1417 tmp = RREG32(mmVM_CONTEXT1_CNTL);
1418 tmp &= ~bits;
1419 WREG32(mmVM_CONTEXT1_CNTL, tmp);
1420 break;
1421 case AMDGPU_IRQ_STATE_ENABLE:
1422 /* system context */
1423 tmp = RREG32(mmVM_CONTEXT0_CNTL);
1424 tmp |= bits;
1425 WREG32(mmVM_CONTEXT0_CNTL, tmp);
1426 /* VMs */
1427 tmp = RREG32(mmVM_CONTEXT1_CNTL);
1428 tmp |= bits;
1429 WREG32(mmVM_CONTEXT1_CNTL, tmp);
1430 break;
1431 default:
1432 break;
1433 }
1434
1435 return 0;
1436}
1437
1438static int gmc_v8_0_process_interrupt(struct amdgpu_device *adev,
1439 struct amdgpu_irq_src *source,
1440 struct amdgpu_iv_entry *entry)
1441{
1442 u32 addr, status, mc_client, vmid;
1443
1444 if (amdgpu_sriov_vf(adev)) {
1445 dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n",
1446 entry->src_id, entry->src_data[0]);
1447 dev_err(adev->dev, " Can't decode VM fault info here on SRIOV VF\n");
1448 return 0;
1449 }
1450
1451 addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR);
1452 status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS);
1453 mc_client = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_MCCLIENT);
1454 /* reset addr and status */
1455 WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1);
1456
1457 if (!addr && !status)
1458 return 0;
1459
1460 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST)
1461 gmc_v8_0_set_fault_enable_default(adev, false);
1462
1463 if (printk_ratelimit()) {
1464 struct amdgpu_task_info task_info;
1465
1466 memset(&task_info, 0, sizeof(struct amdgpu_task_info));
1467 amdgpu_vm_get_task_info(adev, entry->pasid, &task_info);
1468
1469 dev_err(adev->dev, "GPU fault detected: %d 0x%08x for process %s pid %d thread %s pid %d\n",
1470 entry->src_id, entry->src_data[0], task_info.process_name,
1471 task_info.tgid, task_info.task_name, task_info.pid);
1472 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
1473 addr);
1474 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1475 status);
1476 gmc_v8_0_vm_decode_fault(adev, status, addr, mc_client,
1477 entry->pasid);
1478 }
1479
1480 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1481 VMID);
1482 if (amdgpu_amdkfd_is_kfd_vmid(adev, vmid)
1483 && !atomic_read(&adev->gmc.vm_fault_info_updated)) {
1484 struct kfd_vm_fault_info *info = adev->gmc.vm_fault_info;
1485 u32 protections = REG_GET_FIELD(status,
1486 VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1487 PROTECTIONS);
1488
1489 info->vmid = vmid;
1490 info->mc_id = REG_GET_FIELD(status,
1491 VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1492 MEMORY_CLIENT_ID);
1493 info->status = status;
1494 info->page_addr = addr;
1495 info->prot_valid = protections & 0x7 ? true : false;
1496 info->prot_read = protections & 0x8 ? true : false;
1497 info->prot_write = protections & 0x10 ? true : false;
1498 info->prot_exec = protections & 0x20 ? true : false;
1499 mb();
1500 atomic_set(&adev->gmc.vm_fault_info_updated, 1);
1501 }
1502
1503 return 0;
1504}
1505
1506static void fiji_update_mc_medium_grain_clock_gating(struct amdgpu_device *adev,
1507 bool enable)
1508{
1509 uint32_t data;
1510
1511 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) {
1512 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1513 data |= MC_HUB_MISC_HUB_CG__ENABLE_MASK;
1514 WREG32(mmMC_HUB_MISC_HUB_CG, data);
1515
1516 data = RREG32(mmMC_HUB_MISC_SIP_CG);
1517 data |= MC_HUB_MISC_SIP_CG__ENABLE_MASK;
1518 WREG32(mmMC_HUB_MISC_SIP_CG, data);
1519
1520 data = RREG32(mmMC_HUB_MISC_VM_CG);
1521 data |= MC_HUB_MISC_VM_CG__ENABLE_MASK;
1522 WREG32(mmMC_HUB_MISC_VM_CG, data);
1523
1524 data = RREG32(mmMC_XPB_CLK_GAT);
1525 data |= MC_XPB_CLK_GAT__ENABLE_MASK;
1526 WREG32(mmMC_XPB_CLK_GAT, data);
1527
1528 data = RREG32(mmATC_MISC_CG);
1529 data |= ATC_MISC_CG__ENABLE_MASK;
1530 WREG32(mmATC_MISC_CG, data);
1531
1532 data = RREG32(mmMC_CITF_MISC_WR_CG);
1533 data |= MC_CITF_MISC_WR_CG__ENABLE_MASK;
1534 WREG32(mmMC_CITF_MISC_WR_CG, data);
1535
1536 data = RREG32(mmMC_CITF_MISC_RD_CG);
1537 data |= MC_CITF_MISC_RD_CG__ENABLE_MASK;
1538 WREG32(mmMC_CITF_MISC_RD_CG, data);
1539
1540 data = RREG32(mmMC_CITF_MISC_VM_CG);
1541 data |= MC_CITF_MISC_VM_CG__ENABLE_MASK;
1542 WREG32(mmMC_CITF_MISC_VM_CG, data);
1543
1544 data = RREG32(mmVM_L2_CG);
1545 data |= VM_L2_CG__ENABLE_MASK;
1546 WREG32(mmVM_L2_CG, data);
1547 } else {
1548 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1549 data &= ~MC_HUB_MISC_HUB_CG__ENABLE_MASK;
1550 WREG32(mmMC_HUB_MISC_HUB_CG, data);
1551
1552 data = RREG32(mmMC_HUB_MISC_SIP_CG);
1553 data &= ~MC_HUB_MISC_SIP_CG__ENABLE_MASK;
1554 WREG32(mmMC_HUB_MISC_SIP_CG, data);
1555
1556 data = RREG32(mmMC_HUB_MISC_VM_CG);
1557 data &= ~MC_HUB_MISC_VM_CG__ENABLE_MASK;
1558 WREG32(mmMC_HUB_MISC_VM_CG, data);
1559
1560 data = RREG32(mmMC_XPB_CLK_GAT);
1561 data &= ~MC_XPB_CLK_GAT__ENABLE_MASK;
1562 WREG32(mmMC_XPB_CLK_GAT, data);
1563
1564 data = RREG32(mmATC_MISC_CG);
1565 data &= ~ATC_MISC_CG__ENABLE_MASK;
1566 WREG32(mmATC_MISC_CG, data);
1567
1568 data = RREG32(mmMC_CITF_MISC_WR_CG);
1569 data &= ~MC_CITF_MISC_WR_CG__ENABLE_MASK;
1570 WREG32(mmMC_CITF_MISC_WR_CG, data);
1571
1572 data = RREG32(mmMC_CITF_MISC_RD_CG);
1573 data &= ~MC_CITF_MISC_RD_CG__ENABLE_MASK;
1574 WREG32(mmMC_CITF_MISC_RD_CG, data);
1575
1576 data = RREG32(mmMC_CITF_MISC_VM_CG);
1577 data &= ~MC_CITF_MISC_VM_CG__ENABLE_MASK;
1578 WREG32(mmMC_CITF_MISC_VM_CG, data);
1579
1580 data = RREG32(mmVM_L2_CG);
1581 data &= ~VM_L2_CG__ENABLE_MASK;
1582 WREG32(mmVM_L2_CG, data);
1583 }
1584}
1585
1586static void fiji_update_mc_light_sleep(struct amdgpu_device *adev,
1587 bool enable)
1588{
1589 uint32_t data;
1590
1591 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS)) {
1592 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1593 data |= MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK;
1594 WREG32(mmMC_HUB_MISC_HUB_CG, data);
1595
1596 data = RREG32(mmMC_HUB_MISC_SIP_CG);
1597 data |= MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK;
1598 WREG32(mmMC_HUB_MISC_SIP_CG, data);
1599
1600 data = RREG32(mmMC_HUB_MISC_VM_CG);
1601 data |= MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK;
1602 WREG32(mmMC_HUB_MISC_VM_CG, data);
1603
1604 data = RREG32(mmMC_XPB_CLK_GAT);
1605 data |= MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK;
1606 WREG32(mmMC_XPB_CLK_GAT, data);
1607
1608 data = RREG32(mmATC_MISC_CG);
1609 data |= ATC_MISC_CG__MEM_LS_ENABLE_MASK;
1610 WREG32(mmATC_MISC_CG, data);
1611
1612 data = RREG32(mmMC_CITF_MISC_WR_CG);
1613 data |= MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK;
1614 WREG32(mmMC_CITF_MISC_WR_CG, data);
1615
1616 data = RREG32(mmMC_CITF_MISC_RD_CG);
1617 data |= MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK;
1618 WREG32(mmMC_CITF_MISC_RD_CG, data);
1619
1620 data = RREG32(mmMC_CITF_MISC_VM_CG);
1621 data |= MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK;
1622 WREG32(mmMC_CITF_MISC_VM_CG, data);
1623
1624 data = RREG32(mmVM_L2_CG);
1625 data |= VM_L2_CG__MEM_LS_ENABLE_MASK;
1626 WREG32(mmVM_L2_CG, data);
1627 } else {
1628 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1629 data &= ~MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK;
1630 WREG32(mmMC_HUB_MISC_HUB_CG, data);
1631
1632 data = RREG32(mmMC_HUB_MISC_SIP_CG);
1633 data &= ~MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK;
1634 WREG32(mmMC_HUB_MISC_SIP_CG, data);
1635
1636 data = RREG32(mmMC_HUB_MISC_VM_CG);
1637 data &= ~MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK;
1638 WREG32(mmMC_HUB_MISC_VM_CG, data);
1639
1640 data = RREG32(mmMC_XPB_CLK_GAT);
1641 data &= ~MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK;
1642 WREG32(mmMC_XPB_CLK_GAT, data);
1643
1644 data = RREG32(mmATC_MISC_CG);
1645 data &= ~ATC_MISC_CG__MEM_LS_ENABLE_MASK;
1646 WREG32(mmATC_MISC_CG, data);
1647
1648 data = RREG32(mmMC_CITF_MISC_WR_CG);
1649 data &= ~MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK;
1650 WREG32(mmMC_CITF_MISC_WR_CG, data);
1651
1652 data = RREG32(mmMC_CITF_MISC_RD_CG);
1653 data &= ~MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK;
1654 WREG32(mmMC_CITF_MISC_RD_CG, data);
1655
1656 data = RREG32(mmMC_CITF_MISC_VM_CG);
1657 data &= ~MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK;
1658 WREG32(mmMC_CITF_MISC_VM_CG, data);
1659
1660 data = RREG32(mmVM_L2_CG);
1661 data &= ~VM_L2_CG__MEM_LS_ENABLE_MASK;
1662 WREG32(mmVM_L2_CG, data);
1663 }
1664}
1665
1666static int gmc_v8_0_set_clockgating_state(void *handle,
1667 enum amd_clockgating_state state)
1668{
1669 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1670
1671 if (amdgpu_sriov_vf(adev))
1672 return 0;
1673
1674 switch (adev->asic_type) {
1675 case CHIP_FIJI:
1676 fiji_update_mc_medium_grain_clock_gating(adev,
1677 state == AMD_CG_STATE_GATE);
1678 fiji_update_mc_light_sleep(adev,
1679 state == AMD_CG_STATE_GATE);
1680 break;
1681 default:
1682 break;
1683 }
1684 return 0;
1685}
1686
1687static int gmc_v8_0_set_powergating_state(void *handle,
1688 enum amd_powergating_state state)
1689{
1690 return 0;
1691}
1692
1693static void gmc_v8_0_get_clockgating_state(void *handle, u64 *flags)
1694{
1695 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1696 int data;
1697
1698 if (amdgpu_sriov_vf(adev))
1699 *flags = 0;
1700
1701 /* AMD_CG_SUPPORT_MC_MGCG */
1702 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1703 if (data & MC_HUB_MISC_HUB_CG__ENABLE_MASK)
1704 *flags |= AMD_CG_SUPPORT_MC_MGCG;
1705
1706 /* AMD_CG_SUPPORT_MC_LS */
1707 if (data & MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK)
1708 *flags |= AMD_CG_SUPPORT_MC_LS;
1709}
1710
1711static const struct amd_ip_funcs gmc_v8_0_ip_funcs = {
1712 .name = "gmc_v8_0",
1713 .early_init = gmc_v8_0_early_init,
1714 .late_init = gmc_v8_0_late_init,
1715 .sw_init = gmc_v8_0_sw_init,
1716 .sw_fini = gmc_v8_0_sw_fini,
1717 .hw_init = gmc_v8_0_hw_init,
1718 .hw_fini = gmc_v8_0_hw_fini,
1719 .suspend = gmc_v8_0_suspend,
1720 .resume = gmc_v8_0_resume,
1721 .is_idle = gmc_v8_0_is_idle,
1722 .wait_for_idle = gmc_v8_0_wait_for_idle,
1723 .check_soft_reset = gmc_v8_0_check_soft_reset,
1724 .pre_soft_reset = gmc_v8_0_pre_soft_reset,
1725 .soft_reset = gmc_v8_0_soft_reset,
1726 .post_soft_reset = gmc_v8_0_post_soft_reset,
1727 .set_clockgating_state = gmc_v8_0_set_clockgating_state,
1728 .set_powergating_state = gmc_v8_0_set_powergating_state,
1729 .get_clockgating_state = gmc_v8_0_get_clockgating_state,
1730};
1731
1732static const struct amdgpu_gmc_funcs gmc_v8_0_gmc_funcs = {
1733 .flush_gpu_tlb = gmc_v8_0_flush_gpu_tlb,
1734 .flush_gpu_tlb_pasid = gmc_v8_0_flush_gpu_tlb_pasid,
1735 .emit_flush_gpu_tlb = gmc_v8_0_emit_flush_gpu_tlb,
1736 .emit_pasid_mapping = gmc_v8_0_emit_pasid_mapping,
1737 .set_prt = gmc_v8_0_set_prt,
1738 .get_vm_pde = gmc_v8_0_get_vm_pde,
1739 .get_vm_pte = gmc_v8_0_get_vm_pte,
1740 .get_vbios_fb_size = gmc_v8_0_get_vbios_fb_size,
1741};
1742
1743static const struct amdgpu_irq_src_funcs gmc_v8_0_irq_funcs = {
1744 .set = gmc_v8_0_vm_fault_interrupt_state,
1745 .process = gmc_v8_0_process_interrupt,
1746};
1747
1748static void gmc_v8_0_set_gmc_funcs(struct amdgpu_device *adev)
1749{
1750 adev->gmc.gmc_funcs = &gmc_v8_0_gmc_funcs;
1751}
1752
1753static void gmc_v8_0_set_irq_funcs(struct amdgpu_device *adev)
1754{
1755 adev->gmc.vm_fault.num_types = 1;
1756 adev->gmc.vm_fault.funcs = &gmc_v8_0_irq_funcs;
1757}
1758
1759const struct amdgpu_ip_block_version gmc_v8_0_ip_block =
1760{
1761 .type = AMD_IP_BLOCK_TYPE_GMC,
1762 .major = 8,
1763 .minor = 0,
1764 .rev = 0,
1765 .funcs = &gmc_v8_0_ip_funcs,
1766};
1767
1768const struct amdgpu_ip_block_version gmc_v8_1_ip_block =
1769{
1770 .type = AMD_IP_BLOCK_TYPE_GMC,
1771 .major = 8,
1772 .minor = 1,
1773 .rev = 0,
1774 .funcs = &gmc_v8_0_ip_funcs,
1775};
1776
1777const struct amdgpu_ip_block_version gmc_v8_5_ip_block =
1778{
1779 .type = AMD_IP_BLOCK_TYPE_GMC,
1780 .major = 8,
1781 .minor = 5,
1782 .rev = 0,
1783 .funcs = &gmc_v8_0_ip_funcs,
1784};
1/*
2 * Copyright 2014 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/module.h>
26#include <linux/pci.h>
27
28#include <drm/drm_cache.h>
29#include "amdgpu.h"
30#include "gmc_v8_0.h"
31#include "amdgpu_ucode.h"
32#include "amdgpu_amdkfd.h"
33#include "amdgpu_gem.h"
34
35#include "gmc/gmc_8_1_d.h"
36#include "gmc/gmc_8_1_sh_mask.h"
37
38#include "bif/bif_5_0_d.h"
39#include "bif/bif_5_0_sh_mask.h"
40
41#include "oss/oss_3_0_d.h"
42#include "oss/oss_3_0_sh_mask.h"
43
44#include "dce/dce_10_0_d.h"
45#include "dce/dce_10_0_sh_mask.h"
46
47#include "vid.h"
48#include "vi.h"
49
50#include "amdgpu_atombios.h"
51
52#include "ivsrcid/ivsrcid_vislands30.h"
53
54static void gmc_v8_0_set_gmc_funcs(struct amdgpu_device *adev);
55static void gmc_v8_0_set_irq_funcs(struct amdgpu_device *adev);
56static int gmc_v8_0_wait_for_idle(struct amdgpu_ip_block *ip_block);
57
58MODULE_FIRMWARE("amdgpu/tonga_mc.bin");
59MODULE_FIRMWARE("amdgpu/polaris11_mc.bin");
60MODULE_FIRMWARE("amdgpu/polaris10_mc.bin");
61MODULE_FIRMWARE("amdgpu/polaris12_mc.bin");
62MODULE_FIRMWARE("amdgpu/polaris12_32_mc.bin");
63MODULE_FIRMWARE("amdgpu/polaris11_k_mc.bin");
64MODULE_FIRMWARE("amdgpu/polaris10_k_mc.bin");
65MODULE_FIRMWARE("amdgpu/polaris12_k_mc.bin");
66
67static const u32 golden_settings_tonga_a11[] = {
68 mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000,
69 mmMC_HUB_RDREQ_DMIF_LIMIT, 0x0000007f, 0x00000028,
70 mmMC_HUB_WDP_UMC, 0x00007fb6, 0x00000991,
71 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
72 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
73 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
74 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff,
75};
76
77static const u32 tonga_mgcg_cgcg_init[] = {
78 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
79};
80
81static const u32 golden_settings_fiji_a10[] = {
82 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
83 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
84 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
85 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff,
86};
87
88static const u32 fiji_mgcg_cgcg_init[] = {
89 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
90};
91
92static const u32 golden_settings_polaris11_a11[] = {
93 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
94 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
95 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
96 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff
97};
98
99static const u32 golden_settings_polaris10_a11[] = {
100 mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000,
101 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
102 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
103 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
104 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff
105};
106
107static const u32 cz_mgcg_cgcg_init[] = {
108 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
109};
110
111static const u32 stoney_mgcg_cgcg_init[] = {
112 mmATC_MISC_CG, 0xffffffff, 0x000c0200,
113 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
114};
115
116static const u32 golden_settings_stoney_common[] = {
117 mmMC_HUB_RDREQ_UVD, MC_HUB_RDREQ_UVD__PRESCALE_MASK, 0x00000004,
118 mmMC_RD_GRP_OTH, MC_RD_GRP_OTH__UVD_MASK, 0x00600000
119};
120
121static void gmc_v8_0_init_golden_registers(struct amdgpu_device *adev)
122{
123 switch (adev->asic_type) {
124 case CHIP_FIJI:
125 amdgpu_device_program_register_sequence(adev,
126 fiji_mgcg_cgcg_init,
127 ARRAY_SIZE(fiji_mgcg_cgcg_init));
128 amdgpu_device_program_register_sequence(adev,
129 golden_settings_fiji_a10,
130 ARRAY_SIZE(golden_settings_fiji_a10));
131 break;
132 case CHIP_TONGA:
133 amdgpu_device_program_register_sequence(adev,
134 tonga_mgcg_cgcg_init,
135 ARRAY_SIZE(tonga_mgcg_cgcg_init));
136 amdgpu_device_program_register_sequence(adev,
137 golden_settings_tonga_a11,
138 ARRAY_SIZE(golden_settings_tonga_a11));
139 break;
140 case CHIP_POLARIS11:
141 case CHIP_POLARIS12:
142 case CHIP_VEGAM:
143 amdgpu_device_program_register_sequence(adev,
144 golden_settings_polaris11_a11,
145 ARRAY_SIZE(golden_settings_polaris11_a11));
146 break;
147 case CHIP_POLARIS10:
148 amdgpu_device_program_register_sequence(adev,
149 golden_settings_polaris10_a11,
150 ARRAY_SIZE(golden_settings_polaris10_a11));
151 break;
152 case CHIP_CARRIZO:
153 amdgpu_device_program_register_sequence(adev,
154 cz_mgcg_cgcg_init,
155 ARRAY_SIZE(cz_mgcg_cgcg_init));
156 break;
157 case CHIP_STONEY:
158 amdgpu_device_program_register_sequence(adev,
159 stoney_mgcg_cgcg_init,
160 ARRAY_SIZE(stoney_mgcg_cgcg_init));
161 amdgpu_device_program_register_sequence(adev,
162 golden_settings_stoney_common,
163 ARRAY_SIZE(golden_settings_stoney_common));
164 break;
165 default:
166 break;
167 }
168}
169
170static void gmc_v8_0_mc_stop(struct amdgpu_device *adev)
171{
172 u32 blackout;
173 struct amdgpu_ip_block *ip_block;
174
175 ip_block = amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_GMC);
176 if (!ip_block)
177 return;
178
179 gmc_v8_0_wait_for_idle(ip_block);
180
181 blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
182 if (REG_GET_FIELD(blackout, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE) != 1) {
183 /* Block CPU access */
184 WREG32(mmBIF_FB_EN, 0);
185 /* blackout the MC */
186 blackout = REG_SET_FIELD(blackout,
187 MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 1);
188 WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout);
189 }
190 /* wait for the MC to settle */
191 udelay(100);
192}
193
194static void gmc_v8_0_mc_resume(struct amdgpu_device *adev)
195{
196 u32 tmp;
197
198 /* unblackout the MC */
199 tmp = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
200 tmp = REG_SET_FIELD(tmp, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0);
201 WREG32(mmMC_SHARED_BLACKOUT_CNTL, tmp);
202 /* allow CPU access */
203 tmp = REG_SET_FIELD(0, BIF_FB_EN, FB_READ_EN, 1);
204 tmp = REG_SET_FIELD(tmp, BIF_FB_EN, FB_WRITE_EN, 1);
205 WREG32(mmBIF_FB_EN, tmp);
206}
207
208/**
209 * gmc_v8_0_init_microcode - load ucode images from disk
210 *
211 * @adev: amdgpu_device pointer
212 *
213 * Use the firmware interface to load the ucode images into
214 * the driver (not loaded into hw).
215 * Returns 0 on success, error on failure.
216 */
217static int gmc_v8_0_init_microcode(struct amdgpu_device *adev)
218{
219 const char *chip_name;
220 int err;
221
222 DRM_DEBUG("\n");
223
224 switch (adev->asic_type) {
225 case CHIP_TONGA:
226 chip_name = "tonga";
227 break;
228 case CHIP_POLARIS11:
229 if (ASICID_IS_P21(adev->pdev->device, adev->pdev->revision) ||
230 ASICID_IS_P31(adev->pdev->device, adev->pdev->revision))
231 chip_name = "polaris11_k";
232 else
233 chip_name = "polaris11";
234 break;
235 case CHIP_POLARIS10:
236 if (ASICID_IS_P30(adev->pdev->device, adev->pdev->revision))
237 chip_name = "polaris10_k";
238 else
239 chip_name = "polaris10";
240 break;
241 case CHIP_POLARIS12:
242 if (ASICID_IS_P23(adev->pdev->device, adev->pdev->revision)) {
243 chip_name = "polaris12_k";
244 } else {
245 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, ixMC_IO_DEBUG_UP_159);
246 /* Polaris12 32bit ASIC needs a special MC firmware */
247 if (RREG32(mmMC_SEQ_IO_DEBUG_DATA) == 0x05b4dc40)
248 chip_name = "polaris12_32";
249 else
250 chip_name = "polaris12";
251 }
252 break;
253 case CHIP_FIJI:
254 case CHIP_CARRIZO:
255 case CHIP_STONEY:
256 case CHIP_VEGAM:
257 return 0;
258 default:
259 return -EINVAL;
260 }
261
262 err = amdgpu_ucode_request(adev, &adev->gmc.fw, "amdgpu/%s_mc.bin", chip_name);
263 if (err) {
264 pr_err("mc: Failed to load firmware \"%s_mc.bin\"\n", chip_name);
265 amdgpu_ucode_release(&adev->gmc.fw);
266 }
267 return err;
268}
269
270/**
271 * gmc_v8_0_tonga_mc_load_microcode - load tonga MC ucode into the hw
272 *
273 * @adev: amdgpu_device pointer
274 *
275 * Load the GDDR MC ucode into the hw (VI).
276 * Returns 0 on success, error on failure.
277 */
278static int gmc_v8_0_tonga_mc_load_microcode(struct amdgpu_device *adev)
279{
280 const struct mc_firmware_header_v1_0 *hdr;
281 const __le32 *fw_data = NULL;
282 const __le32 *io_mc_regs = NULL;
283 u32 running;
284 int i, ucode_size, regs_size;
285
286 /* Skip MC ucode loading on SR-IOV capable boards.
287 * vbios does this for us in asic_init in that case.
288 * Skip MC ucode loading on VF, because hypervisor will do that
289 * for this adaptor.
290 */
291 if (amdgpu_sriov_bios(adev))
292 return 0;
293
294 if (!adev->gmc.fw)
295 return -EINVAL;
296
297 hdr = (const struct mc_firmware_header_v1_0 *)adev->gmc.fw->data;
298 amdgpu_ucode_print_mc_hdr(&hdr->header);
299
300 adev->gmc.fw_version = le32_to_cpu(hdr->header.ucode_version);
301 regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2);
302 io_mc_regs = (const __le32 *)
303 (adev->gmc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes));
304 ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
305 fw_data = (const __le32 *)
306 (adev->gmc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
307
308 running = REG_GET_FIELD(RREG32(mmMC_SEQ_SUP_CNTL), MC_SEQ_SUP_CNTL, RUN);
309
310 if (running == 0) {
311 /* reset the engine and set to writable */
312 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
313 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010);
314
315 /* load mc io regs */
316 for (i = 0; i < regs_size; i++) {
317 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(io_mc_regs++));
318 WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(io_mc_regs++));
319 }
320 /* load the MC ucode */
321 for (i = 0; i < ucode_size; i++)
322 WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(fw_data++));
323
324 /* put the engine back into the active state */
325 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
326 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004);
327 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001);
328
329 /* wait for training to complete */
330 for (i = 0; i < adev->usec_timeout; i++) {
331 if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL),
332 MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D0))
333 break;
334 udelay(1);
335 }
336 for (i = 0; i < adev->usec_timeout; i++) {
337 if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL),
338 MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D1))
339 break;
340 udelay(1);
341 }
342 }
343
344 return 0;
345}
346
347static int gmc_v8_0_polaris_mc_load_microcode(struct amdgpu_device *adev)
348{
349 const struct mc_firmware_header_v1_0 *hdr;
350 const __le32 *fw_data = NULL;
351 const __le32 *io_mc_regs = NULL;
352 u32 data;
353 int i, ucode_size, regs_size;
354
355 /* Skip MC ucode loading on SR-IOV capable boards.
356 * vbios does this for us in asic_init in that case.
357 * Skip MC ucode loading on VF, because hypervisor will do that
358 * for this adaptor.
359 */
360 if (amdgpu_sriov_bios(adev))
361 return 0;
362
363 if (!adev->gmc.fw)
364 return -EINVAL;
365
366 hdr = (const struct mc_firmware_header_v1_0 *)adev->gmc.fw->data;
367 amdgpu_ucode_print_mc_hdr(&hdr->header);
368
369 adev->gmc.fw_version = le32_to_cpu(hdr->header.ucode_version);
370 regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2);
371 io_mc_regs = (const __le32 *)
372 (adev->gmc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes));
373 ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
374 fw_data = (const __le32 *)
375 (adev->gmc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
376
377 data = RREG32(mmMC_SEQ_MISC0);
378 data &= ~(0x40);
379 WREG32(mmMC_SEQ_MISC0, data);
380
381 /* load mc io regs */
382 for (i = 0; i < regs_size; i++) {
383 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(io_mc_regs++));
384 WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(io_mc_regs++));
385 }
386
387 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
388 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010);
389
390 /* load the MC ucode */
391 for (i = 0; i < ucode_size; i++)
392 WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(fw_data++));
393
394 /* put the engine back into the active state */
395 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
396 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004);
397 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001);
398
399 /* wait for training to complete */
400 for (i = 0; i < adev->usec_timeout; i++) {
401 data = RREG32(mmMC_SEQ_MISC0);
402 if (data & 0x80)
403 break;
404 udelay(1);
405 }
406
407 return 0;
408}
409
410static void gmc_v8_0_vram_gtt_location(struct amdgpu_device *adev,
411 struct amdgpu_gmc *mc)
412{
413 u64 base = 0;
414
415 if (!amdgpu_sriov_vf(adev))
416 base = RREG32(mmMC_VM_FB_LOCATION) & 0xFFFF;
417 base <<= 24;
418
419 amdgpu_gmc_set_agp_default(adev, mc);
420 amdgpu_gmc_vram_location(adev, mc, base);
421 amdgpu_gmc_gart_location(adev, mc, AMDGPU_GART_PLACEMENT_BEST_FIT);
422}
423
424/**
425 * gmc_v8_0_mc_program - program the GPU memory controller
426 *
427 * @adev: amdgpu_device pointer
428 *
429 * Set the location of vram, gart, and AGP in the GPU's
430 * physical address space (VI).
431 */
432static void gmc_v8_0_mc_program(struct amdgpu_device *adev)
433{
434 struct amdgpu_ip_block *ip_block;
435 u32 tmp;
436 int i, j;
437
438 /* Initialize HDP */
439 for (i = 0, j = 0; i < 32; i++, j += 0x6) {
440 WREG32((0xb05 + j), 0x00000000);
441 WREG32((0xb06 + j), 0x00000000);
442 WREG32((0xb07 + j), 0x00000000);
443 WREG32((0xb08 + j), 0x00000000);
444 WREG32((0xb09 + j), 0x00000000);
445 }
446 WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0);
447
448 ip_block = amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_GMC);
449 if (!ip_block)
450 return;
451
452 if (gmc_v8_0_wait_for_idle(ip_block))
453 dev_warn(adev->dev, "Wait for MC idle timedout !\n");
454
455 if (adev->mode_info.num_crtc) {
456 /* Lockout access through VGA aperture*/
457 tmp = RREG32(mmVGA_HDP_CONTROL);
458 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
459 WREG32(mmVGA_HDP_CONTROL, tmp);
460
461 /* disable VGA render */
462 tmp = RREG32(mmVGA_RENDER_CONTROL);
463 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
464 WREG32(mmVGA_RENDER_CONTROL, tmp);
465 }
466 /* Update configuration */
467 WREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
468 adev->gmc.vram_start >> 12);
469 WREG32(mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
470 adev->gmc.vram_end >> 12);
471 WREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR,
472 adev->mem_scratch.gpu_addr >> 12);
473
474 if (amdgpu_sriov_vf(adev)) {
475 tmp = ((adev->gmc.vram_end >> 24) & 0xFFFF) << 16;
476 tmp |= ((adev->gmc.vram_start >> 24) & 0xFFFF);
477 WREG32(mmMC_VM_FB_LOCATION, tmp);
478 /* XXX double check these! */
479 WREG32(mmHDP_NONSURFACE_BASE, (adev->gmc.vram_start >> 8));
480 WREG32(mmHDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
481 WREG32(mmHDP_NONSURFACE_SIZE, 0x3FFFFFFF);
482 }
483
484 WREG32(mmMC_VM_AGP_BASE, 0);
485 WREG32(mmMC_VM_AGP_TOP, adev->gmc.agp_end >> 22);
486 WREG32(mmMC_VM_AGP_BOT, adev->gmc.agp_start >> 22);
487 if (gmc_v8_0_wait_for_idle(ip_block))
488 dev_warn(adev->dev, "Wait for MC idle timedout !\n");
489
490 WREG32(mmBIF_FB_EN, BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK);
491
492 tmp = RREG32(mmHDP_MISC_CNTL);
493 tmp = REG_SET_FIELD(tmp, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 0);
494 WREG32(mmHDP_MISC_CNTL, tmp);
495
496 tmp = RREG32(mmHDP_HOST_PATH_CNTL);
497 WREG32(mmHDP_HOST_PATH_CNTL, tmp);
498}
499
500/**
501 * gmc_v8_0_mc_init - initialize the memory controller driver params
502 *
503 * @adev: amdgpu_device pointer
504 *
505 * Look up the amount of vram, vram width, and decide how to place
506 * vram and gart within the GPU's physical address space (VI).
507 * Returns 0 for success.
508 */
509static int gmc_v8_0_mc_init(struct amdgpu_device *adev)
510{
511 int r;
512 u32 tmp;
513
514 adev->gmc.vram_width = amdgpu_atombios_get_vram_width(adev);
515 if (!adev->gmc.vram_width) {
516 int chansize, numchan;
517
518 /* Get VRAM informations */
519 tmp = RREG32(mmMC_ARB_RAMCFG);
520 if (REG_GET_FIELD(tmp, MC_ARB_RAMCFG, CHANSIZE))
521 chansize = 64;
522 else
523 chansize = 32;
524
525 tmp = RREG32(mmMC_SHARED_CHMAP);
526 switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
527 case 0:
528 default:
529 numchan = 1;
530 break;
531 case 1:
532 numchan = 2;
533 break;
534 case 2:
535 numchan = 4;
536 break;
537 case 3:
538 numchan = 8;
539 break;
540 case 4:
541 numchan = 3;
542 break;
543 case 5:
544 numchan = 6;
545 break;
546 case 6:
547 numchan = 10;
548 break;
549 case 7:
550 numchan = 12;
551 break;
552 case 8:
553 numchan = 16;
554 break;
555 }
556 adev->gmc.vram_width = numchan * chansize;
557 }
558 /* size in MB on si */
559 tmp = RREG32(mmCONFIG_MEMSIZE);
560 /* some boards may have garbage in the upper 16 bits */
561 if (tmp & 0xffff0000) {
562 DRM_INFO("Probable bad vram size: 0x%08x\n", tmp);
563 if (tmp & 0xffff)
564 tmp &= 0xffff;
565 }
566 adev->gmc.mc_vram_size = tmp * 1024ULL * 1024ULL;
567 adev->gmc.real_vram_size = adev->gmc.mc_vram_size;
568
569 if (!(adev->flags & AMD_IS_APU)) {
570 r = amdgpu_device_resize_fb_bar(adev);
571 if (r)
572 return r;
573 }
574 adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
575 adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
576
577#ifdef CONFIG_X86_64
578 if ((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) {
579 adev->gmc.aper_base = ((u64)RREG32(mmMC_VM_FB_OFFSET)) << 22;
580 adev->gmc.aper_size = adev->gmc.real_vram_size;
581 }
582#endif
583
584 adev->gmc.visible_vram_size = adev->gmc.aper_size;
585
586 /* set the gart size */
587 if (amdgpu_gart_size == -1) {
588 switch (adev->asic_type) {
589 case CHIP_POLARIS10: /* all engines support GPUVM */
590 case CHIP_POLARIS11: /* all engines support GPUVM */
591 case CHIP_POLARIS12: /* all engines support GPUVM */
592 case CHIP_VEGAM: /* all engines support GPUVM */
593 default:
594 adev->gmc.gart_size = 256ULL << 20;
595 break;
596 case CHIP_TONGA: /* UVD, VCE do not support GPUVM */
597 case CHIP_FIJI: /* UVD, VCE do not support GPUVM */
598 case CHIP_CARRIZO: /* UVD, VCE do not support GPUVM, DCE SG support */
599 case CHIP_STONEY: /* UVD does not support GPUVM, DCE SG support */
600 adev->gmc.gart_size = 1024ULL << 20;
601 break;
602 }
603 } else {
604 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20;
605 }
606
607 adev->gmc.gart_size += adev->pm.smu_prv_buffer_size;
608 gmc_v8_0_vram_gtt_location(adev, &adev->gmc);
609
610 return 0;
611}
612
613/**
614 * gmc_v8_0_flush_gpu_tlb_pasid - tlb flush via pasid
615 *
616 * @adev: amdgpu_device pointer
617 * @pasid: pasid to be flush
618 * @flush_type: type of flush
619 * @all_hub: flush all hubs
620 * @inst: is used to select which instance of KIQ to use for the invalidation
621 *
622 * Flush the TLB for the requested pasid.
623 */
624static void gmc_v8_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
625 uint16_t pasid, uint32_t flush_type,
626 bool all_hub, uint32_t inst)
627{
628 u32 mask = 0x0;
629 int vmid;
630
631 for (vmid = 1; vmid < 16; vmid++) {
632 u32 tmp = RREG32(mmATC_VMID0_PASID_MAPPING + vmid);
633
634 if ((tmp & ATC_VMID0_PASID_MAPPING__VALID_MASK) &&
635 (tmp & ATC_VMID0_PASID_MAPPING__PASID_MASK) == pasid)
636 mask |= 1 << vmid;
637 }
638
639 WREG32(mmVM_INVALIDATE_REQUEST, mask);
640 RREG32(mmVM_INVALIDATE_RESPONSE);
641}
642
643/*
644 * GART
645 * VMID 0 is the physical GPU addresses as used by the kernel.
646 * VMIDs 1-15 are used for userspace clients and are handled
647 * by the amdgpu vm/hsa code.
648 */
649
650/**
651 * gmc_v8_0_flush_gpu_tlb - gart tlb flush callback
652 *
653 * @adev: amdgpu_device pointer
654 * @vmid: vm instance to flush
655 * @vmhub: which hub to flush
656 * @flush_type: type of flush
657 *
658 * Flush the TLB for the requested page table (VI).
659 */
660static void gmc_v8_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
661 uint32_t vmhub, uint32_t flush_type)
662{
663 /* bits 0-15 are the VM contexts0-15 */
664 WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid);
665}
666
667static uint64_t gmc_v8_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
668 unsigned int vmid, uint64_t pd_addr)
669{
670 uint32_t reg;
671
672 if (vmid < 8)
673 reg = mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vmid;
674 else
675 reg = mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + vmid - 8;
676 amdgpu_ring_emit_wreg(ring, reg, pd_addr >> 12);
677
678 /* bits 0-15 are the VM contexts0-15 */
679 amdgpu_ring_emit_wreg(ring, mmVM_INVALIDATE_REQUEST, 1 << vmid);
680
681 return pd_addr;
682}
683
684static void gmc_v8_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned int vmid,
685 unsigned int pasid)
686{
687 amdgpu_ring_emit_wreg(ring, mmIH_VMID_0_LUT + vmid, pasid);
688}
689
690/*
691 * PTE format on VI:
692 * 63:40 reserved
693 * 39:12 4k physical page base address
694 * 11:7 fragment
695 * 6 write
696 * 5 read
697 * 4 exe
698 * 3 reserved
699 * 2 snooped
700 * 1 system
701 * 0 valid
702 *
703 * PDE format on VI:
704 * 63:59 block fragment size
705 * 58:40 reserved
706 * 39:1 physical base address of PTE
707 * bits 5:1 must be 0.
708 * 0 valid
709 */
710
711static void gmc_v8_0_get_vm_pde(struct amdgpu_device *adev, int level,
712 uint64_t *addr, uint64_t *flags)
713{
714 BUG_ON(*addr & 0xFFFFFF0000000FFFULL);
715}
716
717static void gmc_v8_0_get_vm_pte(struct amdgpu_device *adev,
718 struct amdgpu_bo_va_mapping *mapping,
719 uint64_t *flags)
720{
721 *flags &= ~AMDGPU_PTE_EXECUTABLE;
722 *flags |= mapping->flags & AMDGPU_PTE_EXECUTABLE;
723 *flags &= ~AMDGPU_PTE_PRT;
724}
725
726/**
727 * gmc_v8_0_set_fault_enable_default - update VM fault handling
728 *
729 * @adev: amdgpu_device pointer
730 * @value: true redirects VM faults to the default page
731 */
732static void gmc_v8_0_set_fault_enable_default(struct amdgpu_device *adev,
733 bool value)
734{
735 u32 tmp;
736
737 tmp = RREG32(mmVM_CONTEXT1_CNTL);
738 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
739 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
740 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
741 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
742 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
743 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
744 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
745 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
746 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
747 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
748 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
749 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
750 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
751 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
752 WREG32(mmVM_CONTEXT1_CNTL, tmp);
753}
754
755/**
756 * gmc_v8_0_set_prt() - set PRT VM fault
757 *
758 * @adev: amdgpu_device pointer
759 * @enable: enable/disable VM fault handling for PRT
760 */
761static void gmc_v8_0_set_prt(struct amdgpu_device *adev, bool enable)
762{
763 u32 tmp;
764
765 if (enable && !adev->gmc.prt_warning) {
766 dev_warn(adev->dev, "Disabling VM faults because of PRT request!\n");
767 adev->gmc.prt_warning = true;
768 }
769
770 tmp = RREG32(mmVM_PRT_CNTL);
771 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
772 CB_DISABLE_READ_FAULT_ON_UNMAPPED_ACCESS, enable);
773 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
774 CB_DISABLE_WRITE_FAULT_ON_UNMAPPED_ACCESS, enable);
775 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
776 TC_DISABLE_READ_FAULT_ON_UNMAPPED_ACCESS, enable);
777 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
778 TC_DISABLE_WRITE_FAULT_ON_UNMAPPED_ACCESS, enable);
779 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
780 L2_CACHE_STORE_INVALID_ENTRIES, enable);
781 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
782 L1_TLB_STORE_INVALID_ENTRIES, enable);
783 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
784 MASK_PDE0_FAULT, enable);
785 WREG32(mmVM_PRT_CNTL, tmp);
786
787 if (enable) {
788 uint32_t low = AMDGPU_VA_RESERVED_BOTTOM >>
789 AMDGPU_GPU_PAGE_SHIFT;
790 uint32_t high = adev->vm_manager.max_pfn -
791 (AMDGPU_VA_RESERVED_TOP >> AMDGPU_GPU_PAGE_SHIFT);
792
793 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, low);
794 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, low);
795 WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, low);
796 WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, low);
797 WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, high);
798 WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, high);
799 WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, high);
800 WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, high);
801 } else {
802 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, 0xfffffff);
803 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, 0xfffffff);
804 WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, 0xfffffff);
805 WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, 0xfffffff);
806 WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, 0x0);
807 WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, 0x0);
808 WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, 0x0);
809 WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, 0x0);
810 }
811}
812
813/**
814 * gmc_v8_0_gart_enable - gart enable
815 *
816 * @adev: amdgpu_device pointer
817 *
818 * This sets up the TLBs, programs the page tables for VMID0,
819 * sets up the hw for VMIDs 1-15 which are allocated on
820 * demand, and sets up the global locations for the LDS, GDS,
821 * and GPUVM for FSA64 clients (VI).
822 * Returns 0 for success, errors for failure.
823 */
824static int gmc_v8_0_gart_enable(struct amdgpu_device *adev)
825{
826 uint64_t table_addr;
827 u32 tmp, field;
828 int i;
829
830 if (adev->gart.bo == NULL) {
831 dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
832 return -EINVAL;
833 }
834 amdgpu_gtt_mgr_recover(&adev->mman.gtt_mgr);
835 table_addr = amdgpu_bo_gpu_offset(adev->gart.bo);
836
837 /* Setup TLB control */
838 tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL);
839 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
840 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 1);
841 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
842 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 1);
843 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
844 WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp);
845 /* Setup L2 cache */
846 tmp = RREG32(mmVM_L2_CNTL);
847 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
848 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
849 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE, 1);
850 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE, 1);
851 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, EFFECTIVE_L2_QUEUE_SIZE, 7);
852 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
853 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);
854 WREG32(mmVM_L2_CNTL, tmp);
855 tmp = RREG32(mmVM_L2_CNTL2);
856 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
857 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
858 WREG32(mmVM_L2_CNTL2, tmp);
859
860 field = adev->vm_manager.fragment_size;
861 tmp = RREG32(mmVM_L2_CNTL3);
862 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY, 1);
863 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, field);
864 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, field);
865 WREG32(mmVM_L2_CNTL3, tmp);
866 /* XXX: set to enable PTE/PDE in system memory */
867 tmp = RREG32(mmVM_L2_CNTL4);
868 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_PHYSICAL, 0);
869 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_SHARED, 0);
870 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_SNOOP, 0);
871 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_PHYSICAL, 0);
872 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_SHARED, 0);
873 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_SNOOP, 0);
874 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_PHYSICAL, 0);
875 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_SHARED, 0);
876 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PDE_REQUEST_SNOOP, 0);
877 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_PHYSICAL, 0);
878 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_SHARED, 0);
879 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_CONTEXT1_PTE_REQUEST_SNOOP, 0);
880 WREG32(mmVM_L2_CNTL4, tmp);
881 /* setup context0 */
882 WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->gmc.gart_start >> 12);
883 WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->gmc.gart_end >> 12);
884 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, table_addr >> 12);
885 WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
886 (u32)(adev->dummy_page_addr >> 12));
887 WREG32(mmVM_CONTEXT0_CNTL2, 0);
888 tmp = RREG32(mmVM_CONTEXT0_CNTL);
889 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
890 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
891 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
892 WREG32(mmVM_CONTEXT0_CNTL, tmp);
893
894 WREG32(mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR, 0);
895 WREG32(mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR, 0);
896 WREG32(mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET, 0);
897
898 /* empty context1-15 */
899 /* FIXME start with 4G, once using 2 level pt switch to full
900 * vm size space
901 */
902 /* set vm size, must be a multiple of 4 */
903 WREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
904 WREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR, adev->vm_manager.max_pfn - 1);
905 for (i = 1; i < AMDGPU_NUM_VMID; i++) {
906 if (i < 8)
907 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i,
908 table_addr >> 12);
909 else
910 WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + i - 8,
911 table_addr >> 12);
912 }
913
914 /* enable context1-15 */
915 WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
916 (u32)(adev->dummy_page_addr >> 12));
917 WREG32(mmVM_CONTEXT1_CNTL2, 4);
918 tmp = RREG32(mmVM_CONTEXT1_CNTL);
919 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
920 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 1);
921 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
922 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
923 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
924 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
925 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
926 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
927 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
928 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_BLOCK_SIZE,
929 adev->vm_manager.block_size - 9);
930 WREG32(mmVM_CONTEXT1_CNTL, tmp);
931 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
932 gmc_v8_0_set_fault_enable_default(adev, false);
933 else
934 gmc_v8_0_set_fault_enable_default(adev, true);
935
936 gmc_v8_0_flush_gpu_tlb(adev, 0, 0, 0);
937 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
938 (unsigned int)(adev->gmc.gart_size >> 20),
939 (unsigned long long)table_addr);
940 return 0;
941}
942
943static int gmc_v8_0_gart_init(struct amdgpu_device *adev)
944{
945 int r;
946
947 if (adev->gart.bo) {
948 WARN(1, "R600 PCIE GART already initialized\n");
949 return 0;
950 }
951 /* Initialize common gart structure */
952 r = amdgpu_gart_init(adev);
953 if (r)
954 return r;
955 adev->gart.table_size = adev->gart.num_gpu_pages * 8;
956 adev->gart.gart_pte_flags = AMDGPU_PTE_EXECUTABLE;
957 return amdgpu_gart_table_vram_alloc(adev);
958}
959
960/**
961 * gmc_v8_0_gart_disable - gart disable
962 *
963 * @adev: amdgpu_device pointer
964 *
965 * This disables all VM page table (VI).
966 */
967static void gmc_v8_0_gart_disable(struct amdgpu_device *adev)
968{
969 u32 tmp;
970
971 /* Disable all tables */
972 WREG32(mmVM_CONTEXT0_CNTL, 0);
973 WREG32(mmVM_CONTEXT1_CNTL, 0);
974 /* Setup TLB control */
975 tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL);
976 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
977 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 0);
978 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 0);
979 WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp);
980 /* Setup L2 cache */
981 tmp = RREG32(mmVM_L2_CNTL);
982 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
983 WREG32(mmVM_L2_CNTL, tmp);
984 WREG32(mmVM_L2_CNTL2, 0);
985}
986
987/**
988 * gmc_v8_0_vm_decode_fault - print human readable fault info
989 *
990 * @adev: amdgpu_device pointer
991 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
992 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
993 * @mc_client: VM_CONTEXT1_PROTECTION_FAULT_MCCLIENT register value
994 * @pasid: debug logging only - no functional use
995 *
996 * Print human readable fault information (VI).
997 */
998static void gmc_v8_0_vm_decode_fault(struct amdgpu_device *adev, u32 status,
999 u32 addr, u32 mc_client, unsigned int pasid)
1000{
1001 u32 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, VMID);
1002 u32 protections = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1003 PROTECTIONS);
1004 char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff,
1005 (mc_client >> 8) & 0xff, mc_client & 0xff, 0 };
1006 u32 mc_id;
1007
1008 mc_id = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1009 MEMORY_CLIENT_ID);
1010
1011 dev_err(adev->dev, "VM fault (0x%02x, vmid %d, pasid %d) at page %u, %s from '%s' (0x%08x) (%d)\n",
1012 protections, vmid, pasid, addr,
1013 REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1014 MEMORY_CLIENT_RW) ?
1015 "write" : "read", block, mc_client, mc_id);
1016}
1017
1018static int gmc_v8_0_convert_vram_type(int mc_seq_vram_type)
1019{
1020 switch (mc_seq_vram_type) {
1021 case MC_SEQ_MISC0__MT__GDDR1:
1022 return AMDGPU_VRAM_TYPE_GDDR1;
1023 case MC_SEQ_MISC0__MT__DDR2:
1024 return AMDGPU_VRAM_TYPE_DDR2;
1025 case MC_SEQ_MISC0__MT__GDDR3:
1026 return AMDGPU_VRAM_TYPE_GDDR3;
1027 case MC_SEQ_MISC0__MT__GDDR4:
1028 return AMDGPU_VRAM_TYPE_GDDR4;
1029 case MC_SEQ_MISC0__MT__GDDR5:
1030 return AMDGPU_VRAM_TYPE_GDDR5;
1031 case MC_SEQ_MISC0__MT__HBM:
1032 return AMDGPU_VRAM_TYPE_HBM;
1033 case MC_SEQ_MISC0__MT__DDR3:
1034 return AMDGPU_VRAM_TYPE_DDR3;
1035 default:
1036 return AMDGPU_VRAM_TYPE_UNKNOWN;
1037 }
1038}
1039
1040static int gmc_v8_0_early_init(struct amdgpu_ip_block *ip_block)
1041{
1042 struct amdgpu_device *adev = ip_block->adev;
1043
1044 gmc_v8_0_set_gmc_funcs(adev);
1045 gmc_v8_0_set_irq_funcs(adev);
1046
1047 adev->gmc.shared_aperture_start = 0x2000000000000000ULL;
1048 adev->gmc.shared_aperture_end =
1049 adev->gmc.shared_aperture_start + (4ULL << 30) - 1;
1050 adev->gmc.private_aperture_start =
1051 adev->gmc.shared_aperture_end + 1;
1052 adev->gmc.private_aperture_end =
1053 adev->gmc.private_aperture_start + (4ULL << 30) - 1;
1054 adev->gmc.noretry_flags = AMDGPU_VM_NORETRY_FLAGS_TF;
1055
1056 return 0;
1057}
1058
1059static int gmc_v8_0_late_init(struct amdgpu_ip_block *ip_block)
1060{
1061 struct amdgpu_device *adev = ip_block->adev;
1062
1063 if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS)
1064 return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0);
1065 else
1066 return 0;
1067}
1068
1069static unsigned int gmc_v8_0_get_vbios_fb_size(struct amdgpu_device *adev)
1070{
1071 u32 d1vga_control = RREG32(mmD1VGA_CONTROL);
1072 unsigned int size;
1073
1074 if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) {
1075 size = AMDGPU_VBIOS_VGA_ALLOCATION;
1076 } else {
1077 u32 viewport = RREG32(mmVIEWPORT_SIZE);
1078
1079 size = (REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_HEIGHT) *
1080 REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_WIDTH) *
1081 4);
1082 }
1083
1084 return size;
1085}
1086
1087#define mmMC_SEQ_MISC0_FIJI 0xA71
1088
1089static int gmc_v8_0_sw_init(struct amdgpu_ip_block *ip_block)
1090{
1091 int r;
1092 struct amdgpu_device *adev = ip_block->adev;
1093
1094 set_bit(AMDGPU_GFXHUB(0), adev->vmhubs_mask);
1095
1096 if (adev->flags & AMD_IS_APU) {
1097 adev->gmc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
1098 } else {
1099 u32 tmp;
1100
1101 if ((adev->asic_type == CHIP_FIJI) ||
1102 (adev->asic_type == CHIP_VEGAM))
1103 tmp = RREG32(mmMC_SEQ_MISC0_FIJI);
1104 else
1105 tmp = RREG32(mmMC_SEQ_MISC0);
1106 tmp &= MC_SEQ_MISC0__MT__MASK;
1107 adev->gmc.vram_type = gmc_v8_0_convert_vram_type(tmp);
1108 }
1109
1110 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_GFX_PAGE_INV_FAULT, &adev->gmc.vm_fault);
1111 if (r)
1112 return r;
1113
1114 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_GFX_MEM_PROT_FAULT, &adev->gmc.vm_fault);
1115 if (r)
1116 return r;
1117
1118 /* Adjust VM size here.
1119 * Currently set to 4GB ((1 << 20) 4k pages).
1120 * Max GPUVM size for cayman and SI is 40 bits.
1121 */
1122 amdgpu_vm_adjust_size(adev, 64, 9, 1, 40);
1123
1124 /* Set the internal MC address mask
1125 * This is the max address of the GPU's
1126 * internal address space.
1127 */
1128 adev->gmc.mc_mask = 0xffffffffffULL; /* 40 bit MC */
1129
1130 r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(40));
1131 if (r) {
1132 pr_warn("No suitable DMA available\n");
1133 return r;
1134 }
1135 adev->need_swiotlb = drm_need_swiotlb(40);
1136
1137 r = gmc_v8_0_init_microcode(adev);
1138 if (r) {
1139 DRM_ERROR("Failed to load mc firmware!\n");
1140 return r;
1141 }
1142
1143 r = gmc_v8_0_mc_init(adev);
1144 if (r)
1145 return r;
1146
1147 amdgpu_gmc_get_vbios_allocations(adev);
1148
1149 /* Memory manager */
1150 r = amdgpu_bo_init(adev);
1151 if (r)
1152 return r;
1153
1154 r = gmc_v8_0_gart_init(adev);
1155 if (r)
1156 return r;
1157
1158 /*
1159 * number of VMs
1160 * VMID 0 is reserved for System
1161 * amdgpu graphics/compute will use VMIDs 1-7
1162 * amdkfd will use VMIDs 8-15
1163 */
1164 adev->vm_manager.first_kfd_vmid = 8;
1165 amdgpu_vm_manager_init(adev);
1166
1167 /* base offset of vram pages */
1168 if (adev->flags & AMD_IS_APU) {
1169 u64 tmp = RREG32(mmMC_VM_FB_OFFSET);
1170
1171 tmp <<= 22;
1172 adev->vm_manager.vram_base_offset = tmp;
1173 } else {
1174 adev->vm_manager.vram_base_offset = 0;
1175 }
1176
1177 adev->gmc.vm_fault_info = kmalloc(sizeof(struct kfd_vm_fault_info),
1178 GFP_KERNEL);
1179 if (!adev->gmc.vm_fault_info)
1180 return -ENOMEM;
1181 atomic_set(&adev->gmc.vm_fault_info_updated, 0);
1182
1183 return 0;
1184}
1185
1186static int gmc_v8_0_sw_fini(struct amdgpu_ip_block *ip_block)
1187{
1188 struct amdgpu_device *adev = ip_block->adev;
1189
1190 amdgpu_gem_force_release(adev);
1191 amdgpu_vm_manager_fini(adev);
1192 kfree(adev->gmc.vm_fault_info);
1193 amdgpu_gart_table_vram_free(adev);
1194 amdgpu_bo_fini(adev);
1195 amdgpu_ucode_release(&adev->gmc.fw);
1196
1197 return 0;
1198}
1199
1200static int gmc_v8_0_hw_init(struct amdgpu_ip_block *ip_block)
1201{
1202 int r;
1203 struct amdgpu_device *adev = ip_block->adev;
1204
1205 gmc_v8_0_init_golden_registers(adev);
1206
1207 gmc_v8_0_mc_program(adev);
1208
1209 if (adev->asic_type == CHIP_TONGA) {
1210 r = gmc_v8_0_tonga_mc_load_microcode(adev);
1211 if (r) {
1212 DRM_ERROR("Failed to load MC firmware!\n");
1213 return r;
1214 }
1215 } else if (adev->asic_type == CHIP_POLARIS11 ||
1216 adev->asic_type == CHIP_POLARIS10 ||
1217 adev->asic_type == CHIP_POLARIS12) {
1218 r = gmc_v8_0_polaris_mc_load_microcode(adev);
1219 if (r) {
1220 DRM_ERROR("Failed to load MC firmware!\n");
1221 return r;
1222 }
1223 }
1224
1225 r = gmc_v8_0_gart_enable(adev);
1226 if (r)
1227 return r;
1228
1229 if (amdgpu_emu_mode == 1)
1230 return amdgpu_gmc_vram_checking(adev);
1231
1232 return 0;
1233}
1234
1235static int gmc_v8_0_hw_fini(struct amdgpu_ip_block *ip_block)
1236{
1237 struct amdgpu_device *adev = ip_block->adev;
1238
1239 amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
1240 gmc_v8_0_gart_disable(adev);
1241
1242 return 0;
1243}
1244
1245static int gmc_v8_0_suspend(struct amdgpu_ip_block *ip_block)
1246{
1247 gmc_v8_0_hw_fini(ip_block);
1248
1249 return 0;
1250}
1251
1252static int gmc_v8_0_resume(struct amdgpu_ip_block *ip_block)
1253{
1254 int r;
1255
1256 r = gmc_v8_0_hw_init(ip_block);
1257 if (r)
1258 return r;
1259
1260 amdgpu_vmid_reset_all(ip_block->adev);
1261
1262 return 0;
1263}
1264
1265static bool gmc_v8_0_is_idle(void *handle)
1266{
1267 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1268 u32 tmp = RREG32(mmSRBM_STATUS);
1269
1270 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1271 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK | SRBM_STATUS__VMC_BUSY_MASK))
1272 return false;
1273
1274 return true;
1275}
1276
1277static int gmc_v8_0_wait_for_idle(struct amdgpu_ip_block *ip_block)
1278{
1279 unsigned int i;
1280 u32 tmp;
1281 struct amdgpu_device *adev = ip_block->adev;
1282
1283 for (i = 0; i < adev->usec_timeout; i++) {
1284 /* read MC_STATUS */
1285 tmp = RREG32(mmSRBM_STATUS) & (SRBM_STATUS__MCB_BUSY_MASK |
1286 SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1287 SRBM_STATUS__MCC_BUSY_MASK |
1288 SRBM_STATUS__MCD_BUSY_MASK |
1289 SRBM_STATUS__VMC_BUSY_MASK |
1290 SRBM_STATUS__VMC1_BUSY_MASK);
1291 if (!tmp)
1292 return 0;
1293 udelay(1);
1294 }
1295 return -ETIMEDOUT;
1296
1297}
1298
1299static bool gmc_v8_0_check_soft_reset(struct amdgpu_ip_block *ip_block)
1300{
1301 u32 srbm_soft_reset = 0;
1302 struct amdgpu_device *adev = ip_block->adev;
1303 u32 tmp = RREG32(mmSRBM_STATUS);
1304
1305 if (tmp & SRBM_STATUS__VMC_BUSY_MASK)
1306 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
1307 SRBM_SOFT_RESET, SOFT_RESET_VMC, 1);
1308
1309 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1310 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK)) {
1311 if (!(adev->flags & AMD_IS_APU))
1312 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
1313 SRBM_SOFT_RESET, SOFT_RESET_MC, 1);
1314 }
1315
1316 if (srbm_soft_reset) {
1317 adev->gmc.srbm_soft_reset = srbm_soft_reset;
1318 return true;
1319 }
1320
1321 adev->gmc.srbm_soft_reset = 0;
1322
1323 return false;
1324}
1325
1326static int gmc_v8_0_pre_soft_reset(struct amdgpu_ip_block *ip_block)
1327{
1328 struct amdgpu_device *adev = ip_block->adev;
1329
1330 if (!adev->gmc.srbm_soft_reset)
1331 return 0;
1332
1333 gmc_v8_0_mc_stop(adev);
1334 if (gmc_v8_0_wait_for_idle(ip_block))
1335 dev_warn(adev->dev, "Wait for GMC idle timed out !\n");
1336
1337 return 0;
1338}
1339
1340static int gmc_v8_0_soft_reset(struct amdgpu_ip_block *ip_block)
1341{
1342 struct amdgpu_device *adev = ip_block->adev;
1343 u32 srbm_soft_reset;
1344
1345 if (!adev->gmc.srbm_soft_reset)
1346 return 0;
1347 srbm_soft_reset = adev->gmc.srbm_soft_reset;
1348
1349 if (srbm_soft_reset) {
1350 u32 tmp;
1351
1352 tmp = RREG32(mmSRBM_SOFT_RESET);
1353 tmp |= srbm_soft_reset;
1354 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1355 WREG32(mmSRBM_SOFT_RESET, tmp);
1356 tmp = RREG32(mmSRBM_SOFT_RESET);
1357
1358 udelay(50);
1359
1360 tmp &= ~srbm_soft_reset;
1361 WREG32(mmSRBM_SOFT_RESET, tmp);
1362 tmp = RREG32(mmSRBM_SOFT_RESET);
1363
1364 /* Wait a little for things to settle down */
1365 udelay(50);
1366 }
1367
1368 return 0;
1369}
1370
1371static int gmc_v8_0_post_soft_reset(struct amdgpu_ip_block *ip_block)
1372{
1373 struct amdgpu_device *adev = ip_block->adev;
1374
1375 if (!adev->gmc.srbm_soft_reset)
1376 return 0;
1377
1378 gmc_v8_0_mc_resume(adev);
1379 return 0;
1380}
1381
1382static int gmc_v8_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
1383 struct amdgpu_irq_src *src,
1384 unsigned int type,
1385 enum amdgpu_interrupt_state state)
1386{
1387 u32 tmp;
1388 u32 bits = (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1389 VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1390 VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1391 VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1392 VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1393 VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1394 VM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK);
1395
1396 switch (state) {
1397 case AMDGPU_IRQ_STATE_DISABLE:
1398 /* system context */
1399 tmp = RREG32(mmVM_CONTEXT0_CNTL);
1400 tmp &= ~bits;
1401 WREG32(mmVM_CONTEXT0_CNTL, tmp);
1402 /* VMs */
1403 tmp = RREG32(mmVM_CONTEXT1_CNTL);
1404 tmp &= ~bits;
1405 WREG32(mmVM_CONTEXT1_CNTL, tmp);
1406 break;
1407 case AMDGPU_IRQ_STATE_ENABLE:
1408 /* system context */
1409 tmp = RREG32(mmVM_CONTEXT0_CNTL);
1410 tmp |= bits;
1411 WREG32(mmVM_CONTEXT0_CNTL, tmp);
1412 /* VMs */
1413 tmp = RREG32(mmVM_CONTEXT1_CNTL);
1414 tmp |= bits;
1415 WREG32(mmVM_CONTEXT1_CNTL, tmp);
1416 break;
1417 default:
1418 break;
1419 }
1420
1421 return 0;
1422}
1423
1424static int gmc_v8_0_process_interrupt(struct amdgpu_device *adev,
1425 struct amdgpu_irq_src *source,
1426 struct amdgpu_iv_entry *entry)
1427{
1428 u32 addr, status, mc_client, vmid;
1429
1430 if (amdgpu_sriov_vf(adev)) {
1431 dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n",
1432 entry->src_id, entry->src_data[0]);
1433 dev_err(adev->dev, " Can't decode VM fault info here on SRIOV VF\n");
1434 return 0;
1435 }
1436
1437 addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR);
1438 status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS);
1439 mc_client = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_MCCLIENT);
1440 /* reset addr and status */
1441 WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1);
1442
1443 if (!addr && !status)
1444 return 0;
1445
1446 amdgpu_vm_update_fault_cache(adev, entry->pasid,
1447 ((u64)addr) << AMDGPU_GPU_PAGE_SHIFT, status, AMDGPU_GFXHUB(0));
1448
1449 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST)
1450 gmc_v8_0_set_fault_enable_default(adev, false);
1451
1452 if (printk_ratelimit()) {
1453 struct amdgpu_task_info *task_info;
1454
1455 dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n",
1456 entry->src_id, entry->src_data[0]);
1457
1458 task_info = amdgpu_vm_get_task_info_pasid(adev, entry->pasid);
1459 if (task_info) {
1460 dev_err(adev->dev, " for process %s pid %d thread %s pid %d\n",
1461 task_info->process_name, task_info->tgid,
1462 task_info->task_name, task_info->pid);
1463 amdgpu_vm_put_task_info(task_info);
1464 }
1465
1466 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
1467 addr);
1468 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1469 status);
1470
1471 gmc_v8_0_vm_decode_fault(adev, status, addr, mc_client,
1472 entry->pasid);
1473 }
1474
1475 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1476 VMID);
1477 if (amdgpu_amdkfd_is_kfd_vmid(adev, vmid)
1478 && !atomic_read(&adev->gmc.vm_fault_info_updated)) {
1479 struct kfd_vm_fault_info *info = adev->gmc.vm_fault_info;
1480 u32 protections = REG_GET_FIELD(status,
1481 VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1482 PROTECTIONS);
1483
1484 info->vmid = vmid;
1485 info->mc_id = REG_GET_FIELD(status,
1486 VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1487 MEMORY_CLIENT_ID);
1488 info->status = status;
1489 info->page_addr = addr;
1490 info->prot_valid = protections & 0x7 ? true : false;
1491 info->prot_read = protections & 0x8 ? true : false;
1492 info->prot_write = protections & 0x10 ? true : false;
1493 info->prot_exec = protections & 0x20 ? true : false;
1494 mb();
1495 atomic_set(&adev->gmc.vm_fault_info_updated, 1);
1496 }
1497
1498 return 0;
1499}
1500
1501static void fiji_update_mc_medium_grain_clock_gating(struct amdgpu_device *adev,
1502 bool enable)
1503{
1504 uint32_t data;
1505
1506 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) {
1507 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1508 data |= MC_HUB_MISC_HUB_CG__ENABLE_MASK;
1509 WREG32(mmMC_HUB_MISC_HUB_CG, data);
1510
1511 data = RREG32(mmMC_HUB_MISC_SIP_CG);
1512 data |= MC_HUB_MISC_SIP_CG__ENABLE_MASK;
1513 WREG32(mmMC_HUB_MISC_SIP_CG, data);
1514
1515 data = RREG32(mmMC_HUB_MISC_VM_CG);
1516 data |= MC_HUB_MISC_VM_CG__ENABLE_MASK;
1517 WREG32(mmMC_HUB_MISC_VM_CG, data);
1518
1519 data = RREG32(mmMC_XPB_CLK_GAT);
1520 data |= MC_XPB_CLK_GAT__ENABLE_MASK;
1521 WREG32(mmMC_XPB_CLK_GAT, data);
1522
1523 data = RREG32(mmATC_MISC_CG);
1524 data |= ATC_MISC_CG__ENABLE_MASK;
1525 WREG32(mmATC_MISC_CG, data);
1526
1527 data = RREG32(mmMC_CITF_MISC_WR_CG);
1528 data |= MC_CITF_MISC_WR_CG__ENABLE_MASK;
1529 WREG32(mmMC_CITF_MISC_WR_CG, data);
1530
1531 data = RREG32(mmMC_CITF_MISC_RD_CG);
1532 data |= MC_CITF_MISC_RD_CG__ENABLE_MASK;
1533 WREG32(mmMC_CITF_MISC_RD_CG, data);
1534
1535 data = RREG32(mmMC_CITF_MISC_VM_CG);
1536 data |= MC_CITF_MISC_VM_CG__ENABLE_MASK;
1537 WREG32(mmMC_CITF_MISC_VM_CG, data);
1538
1539 data = RREG32(mmVM_L2_CG);
1540 data |= VM_L2_CG__ENABLE_MASK;
1541 WREG32(mmVM_L2_CG, data);
1542 } else {
1543 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1544 data &= ~MC_HUB_MISC_HUB_CG__ENABLE_MASK;
1545 WREG32(mmMC_HUB_MISC_HUB_CG, data);
1546
1547 data = RREG32(mmMC_HUB_MISC_SIP_CG);
1548 data &= ~MC_HUB_MISC_SIP_CG__ENABLE_MASK;
1549 WREG32(mmMC_HUB_MISC_SIP_CG, data);
1550
1551 data = RREG32(mmMC_HUB_MISC_VM_CG);
1552 data &= ~MC_HUB_MISC_VM_CG__ENABLE_MASK;
1553 WREG32(mmMC_HUB_MISC_VM_CG, data);
1554
1555 data = RREG32(mmMC_XPB_CLK_GAT);
1556 data &= ~MC_XPB_CLK_GAT__ENABLE_MASK;
1557 WREG32(mmMC_XPB_CLK_GAT, data);
1558
1559 data = RREG32(mmATC_MISC_CG);
1560 data &= ~ATC_MISC_CG__ENABLE_MASK;
1561 WREG32(mmATC_MISC_CG, data);
1562
1563 data = RREG32(mmMC_CITF_MISC_WR_CG);
1564 data &= ~MC_CITF_MISC_WR_CG__ENABLE_MASK;
1565 WREG32(mmMC_CITF_MISC_WR_CG, data);
1566
1567 data = RREG32(mmMC_CITF_MISC_RD_CG);
1568 data &= ~MC_CITF_MISC_RD_CG__ENABLE_MASK;
1569 WREG32(mmMC_CITF_MISC_RD_CG, data);
1570
1571 data = RREG32(mmMC_CITF_MISC_VM_CG);
1572 data &= ~MC_CITF_MISC_VM_CG__ENABLE_MASK;
1573 WREG32(mmMC_CITF_MISC_VM_CG, data);
1574
1575 data = RREG32(mmVM_L2_CG);
1576 data &= ~VM_L2_CG__ENABLE_MASK;
1577 WREG32(mmVM_L2_CG, data);
1578 }
1579}
1580
1581static void fiji_update_mc_light_sleep(struct amdgpu_device *adev,
1582 bool enable)
1583{
1584 uint32_t data;
1585
1586 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS)) {
1587 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1588 data |= MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK;
1589 WREG32(mmMC_HUB_MISC_HUB_CG, data);
1590
1591 data = RREG32(mmMC_HUB_MISC_SIP_CG);
1592 data |= MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK;
1593 WREG32(mmMC_HUB_MISC_SIP_CG, data);
1594
1595 data = RREG32(mmMC_HUB_MISC_VM_CG);
1596 data |= MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK;
1597 WREG32(mmMC_HUB_MISC_VM_CG, data);
1598
1599 data = RREG32(mmMC_XPB_CLK_GAT);
1600 data |= MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK;
1601 WREG32(mmMC_XPB_CLK_GAT, data);
1602
1603 data = RREG32(mmATC_MISC_CG);
1604 data |= ATC_MISC_CG__MEM_LS_ENABLE_MASK;
1605 WREG32(mmATC_MISC_CG, data);
1606
1607 data = RREG32(mmMC_CITF_MISC_WR_CG);
1608 data |= MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK;
1609 WREG32(mmMC_CITF_MISC_WR_CG, data);
1610
1611 data = RREG32(mmMC_CITF_MISC_RD_CG);
1612 data |= MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK;
1613 WREG32(mmMC_CITF_MISC_RD_CG, data);
1614
1615 data = RREG32(mmMC_CITF_MISC_VM_CG);
1616 data |= MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK;
1617 WREG32(mmMC_CITF_MISC_VM_CG, data);
1618
1619 data = RREG32(mmVM_L2_CG);
1620 data |= VM_L2_CG__MEM_LS_ENABLE_MASK;
1621 WREG32(mmVM_L2_CG, data);
1622 } else {
1623 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1624 data &= ~MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK;
1625 WREG32(mmMC_HUB_MISC_HUB_CG, data);
1626
1627 data = RREG32(mmMC_HUB_MISC_SIP_CG);
1628 data &= ~MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK;
1629 WREG32(mmMC_HUB_MISC_SIP_CG, data);
1630
1631 data = RREG32(mmMC_HUB_MISC_VM_CG);
1632 data &= ~MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK;
1633 WREG32(mmMC_HUB_MISC_VM_CG, data);
1634
1635 data = RREG32(mmMC_XPB_CLK_GAT);
1636 data &= ~MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK;
1637 WREG32(mmMC_XPB_CLK_GAT, data);
1638
1639 data = RREG32(mmATC_MISC_CG);
1640 data &= ~ATC_MISC_CG__MEM_LS_ENABLE_MASK;
1641 WREG32(mmATC_MISC_CG, data);
1642
1643 data = RREG32(mmMC_CITF_MISC_WR_CG);
1644 data &= ~MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK;
1645 WREG32(mmMC_CITF_MISC_WR_CG, data);
1646
1647 data = RREG32(mmMC_CITF_MISC_RD_CG);
1648 data &= ~MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK;
1649 WREG32(mmMC_CITF_MISC_RD_CG, data);
1650
1651 data = RREG32(mmMC_CITF_MISC_VM_CG);
1652 data &= ~MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK;
1653 WREG32(mmMC_CITF_MISC_VM_CG, data);
1654
1655 data = RREG32(mmVM_L2_CG);
1656 data &= ~VM_L2_CG__MEM_LS_ENABLE_MASK;
1657 WREG32(mmVM_L2_CG, data);
1658 }
1659}
1660
1661static int gmc_v8_0_set_clockgating_state(void *handle,
1662 enum amd_clockgating_state state)
1663{
1664 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1665
1666 if (amdgpu_sriov_vf(adev))
1667 return 0;
1668
1669 switch (adev->asic_type) {
1670 case CHIP_FIJI:
1671 fiji_update_mc_medium_grain_clock_gating(adev,
1672 state == AMD_CG_STATE_GATE);
1673 fiji_update_mc_light_sleep(adev,
1674 state == AMD_CG_STATE_GATE);
1675 break;
1676 default:
1677 break;
1678 }
1679 return 0;
1680}
1681
1682static int gmc_v8_0_set_powergating_state(void *handle,
1683 enum amd_powergating_state state)
1684{
1685 return 0;
1686}
1687
1688static void gmc_v8_0_get_clockgating_state(void *handle, u64 *flags)
1689{
1690 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1691 int data;
1692
1693 if (amdgpu_sriov_vf(adev))
1694 *flags = 0;
1695
1696 /* AMD_CG_SUPPORT_MC_MGCG */
1697 data = RREG32(mmMC_HUB_MISC_HUB_CG);
1698 if (data & MC_HUB_MISC_HUB_CG__ENABLE_MASK)
1699 *flags |= AMD_CG_SUPPORT_MC_MGCG;
1700
1701 /* AMD_CG_SUPPORT_MC_LS */
1702 if (data & MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK)
1703 *flags |= AMD_CG_SUPPORT_MC_LS;
1704}
1705
1706static const struct amd_ip_funcs gmc_v8_0_ip_funcs = {
1707 .name = "gmc_v8_0",
1708 .early_init = gmc_v8_0_early_init,
1709 .late_init = gmc_v8_0_late_init,
1710 .sw_init = gmc_v8_0_sw_init,
1711 .sw_fini = gmc_v8_0_sw_fini,
1712 .hw_init = gmc_v8_0_hw_init,
1713 .hw_fini = gmc_v8_0_hw_fini,
1714 .suspend = gmc_v8_0_suspend,
1715 .resume = gmc_v8_0_resume,
1716 .is_idle = gmc_v8_0_is_idle,
1717 .wait_for_idle = gmc_v8_0_wait_for_idle,
1718 .check_soft_reset = gmc_v8_0_check_soft_reset,
1719 .pre_soft_reset = gmc_v8_0_pre_soft_reset,
1720 .soft_reset = gmc_v8_0_soft_reset,
1721 .post_soft_reset = gmc_v8_0_post_soft_reset,
1722 .set_clockgating_state = gmc_v8_0_set_clockgating_state,
1723 .set_powergating_state = gmc_v8_0_set_powergating_state,
1724 .get_clockgating_state = gmc_v8_0_get_clockgating_state,
1725};
1726
1727static const struct amdgpu_gmc_funcs gmc_v8_0_gmc_funcs = {
1728 .flush_gpu_tlb = gmc_v8_0_flush_gpu_tlb,
1729 .flush_gpu_tlb_pasid = gmc_v8_0_flush_gpu_tlb_pasid,
1730 .emit_flush_gpu_tlb = gmc_v8_0_emit_flush_gpu_tlb,
1731 .emit_pasid_mapping = gmc_v8_0_emit_pasid_mapping,
1732 .set_prt = gmc_v8_0_set_prt,
1733 .get_vm_pde = gmc_v8_0_get_vm_pde,
1734 .get_vm_pte = gmc_v8_0_get_vm_pte,
1735 .get_vbios_fb_size = gmc_v8_0_get_vbios_fb_size,
1736};
1737
1738static const struct amdgpu_irq_src_funcs gmc_v8_0_irq_funcs = {
1739 .set = gmc_v8_0_vm_fault_interrupt_state,
1740 .process = gmc_v8_0_process_interrupt,
1741};
1742
1743static void gmc_v8_0_set_gmc_funcs(struct amdgpu_device *adev)
1744{
1745 adev->gmc.gmc_funcs = &gmc_v8_0_gmc_funcs;
1746}
1747
1748static void gmc_v8_0_set_irq_funcs(struct amdgpu_device *adev)
1749{
1750 adev->gmc.vm_fault.num_types = 1;
1751 adev->gmc.vm_fault.funcs = &gmc_v8_0_irq_funcs;
1752}
1753
1754const struct amdgpu_ip_block_version gmc_v8_0_ip_block = {
1755 .type = AMD_IP_BLOCK_TYPE_GMC,
1756 .major = 8,
1757 .minor = 0,
1758 .rev = 0,
1759 .funcs = &gmc_v8_0_ip_funcs,
1760};
1761
1762const struct amdgpu_ip_block_version gmc_v8_1_ip_block = {
1763 .type = AMD_IP_BLOCK_TYPE_GMC,
1764 .major = 8,
1765 .minor = 1,
1766 .rev = 0,
1767 .funcs = &gmc_v8_0_ip_funcs,
1768};
1769
1770const struct amdgpu_ip_block_version gmc_v8_5_ip_block = {
1771 .type = AMD_IP_BLOCK_TYPE_GMC,
1772 .major = 8,
1773 .minor = 5,
1774 .rev = 0,
1775 .funcs = &gmc_v8_0_ip_funcs,
1776};