2 * Copyright 2014 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
24 #include <linux/firmware.h>
25 #include <linux/module.h>
26 #include <linux/pci.h>
28 #include <drm/drm_cache.h>
33 #include "amdgpu_ucode.h"
34 #include "amdgpu_amdkfd.h"
35 #include "amdgpu_gem.h"
37 #include "bif/bif_4_1_d.h"
38 #include "bif/bif_4_1_sh_mask.h"
40 #include "gmc/gmc_7_1_d.h"
41 #include "gmc/gmc_7_1_sh_mask.h"
43 #include "oss/oss_2_0_d.h"
44 #include "oss/oss_2_0_sh_mask.h"
46 #include "dce/dce_8_0_d.h"
47 #include "dce/dce_8_0_sh_mask.h"
49 #include "amdgpu_atombios.h"
51 #include "ivsrcid/ivsrcid_vislands30.h"
53 static void gmc_v7_0_set_gmc_funcs(struct amdgpu_device *adev);
54 static void gmc_v7_0_set_irq_funcs(struct amdgpu_device *adev);
55 static int gmc_v7_0_wait_for_idle(void *handle);
57 MODULE_FIRMWARE("amdgpu/bonaire_mc.bin");
58 MODULE_FIRMWARE("amdgpu/hawaii_mc.bin");
59 MODULE_FIRMWARE("amdgpu/topaz_mc.bin");
61 static const u32 golden_settings_iceland_a11[] = {
62 mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
63 mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
64 mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
65 mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff
68 static const u32 iceland_mgcg_cgcg_init[] = {
69 mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104
72 static void gmc_v7_0_init_golden_registers(struct amdgpu_device *adev)
74 switch (adev->asic_type) {
76 amdgpu_device_program_register_sequence(adev,
77 iceland_mgcg_cgcg_init,
78 ARRAY_SIZE(iceland_mgcg_cgcg_init));
79 amdgpu_device_program_register_sequence(adev,
80 golden_settings_iceland_a11,
81 ARRAY_SIZE(golden_settings_iceland_a11));
88 static void gmc_v7_0_mc_stop(struct amdgpu_device *adev)
92 gmc_v7_0_wait_for_idle((void *)adev);
94 blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
95 if (REG_GET_FIELD(blackout, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE) != 1) {
96 /* Block CPU access */
97 WREG32(mmBIF_FB_EN, 0);
99 blackout = REG_SET_FIELD(blackout,
100 MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0);
101 WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout | 1);
103 /* wait for the MC to settle */
107 static void gmc_v7_0_mc_resume(struct amdgpu_device *adev)
111 /* unblackout the MC */
112 tmp = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
113 tmp = REG_SET_FIELD(tmp, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0);
114 WREG32(mmMC_SHARED_BLACKOUT_CNTL, tmp);
115 /* allow CPU access */
116 tmp = REG_SET_FIELD(0, BIF_FB_EN, FB_READ_EN, 1);
117 tmp = REG_SET_FIELD(tmp, BIF_FB_EN, FB_WRITE_EN, 1);
118 WREG32(mmBIF_FB_EN, tmp);
122 * gmc_v7_0_init_microcode - load ucode images from disk
124 * @adev: amdgpu_device pointer
126 * Use the firmware interface to load the ucode images into
127 * the driver (not loaded into hw).
128 * Returns 0 on success, error on failure.
130 static int gmc_v7_0_init_microcode(struct amdgpu_device *adev)
132 const char *chip_name;
138 switch (adev->asic_type) {
140 chip_name = "bonaire";
143 chip_name = "hawaii";
156 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", chip_name);
158 err = amdgpu_ucode_request(adev, &adev->gmc.fw, fw_name);
160 pr_err("cik_mc: Failed to load firmware \"%s\"\n", fw_name);
161 amdgpu_ucode_release(&adev->gmc.fw);
167 * gmc_v7_0_mc_load_microcode - load MC ucode into the hw
169 * @adev: amdgpu_device pointer
171 * Load the GDDR MC ucode into the hw (CIK).
172 * Returns 0 on success, error on failure.
174 static int gmc_v7_0_mc_load_microcode(struct amdgpu_device *adev)
176 const struct mc_firmware_header_v1_0 *hdr;
177 const __le32 *fw_data = NULL;
178 const __le32 *io_mc_regs = NULL;
180 int i, ucode_size, regs_size;
185 hdr = (const struct mc_firmware_header_v1_0 *)adev->gmc.fw->data;
186 amdgpu_ucode_print_mc_hdr(&hdr->header);
188 adev->gmc.fw_version = le32_to_cpu(hdr->header.ucode_version);
189 regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2);
190 io_mc_regs = (const __le32 *)
191 (adev->gmc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes));
192 ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
193 fw_data = (const __le32 *)
194 (adev->gmc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
196 running = REG_GET_FIELD(RREG32(mmMC_SEQ_SUP_CNTL), MC_SEQ_SUP_CNTL, RUN);
199 /* reset the engine and set to writable */
200 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
201 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010);
203 /* load mc io regs */
204 for (i = 0; i < regs_size; i++) {
205 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(io_mc_regs++));
206 WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(io_mc_regs++));
208 /* load the MC ucode */
209 for (i = 0; i < ucode_size; i++)
210 WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(fw_data++));
212 /* put the engine back into the active state */
213 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
214 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004);
215 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001);
217 /* wait for training to complete */
218 for (i = 0; i < adev->usec_timeout; i++) {
219 if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL),
220 MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D0))
224 for (i = 0; i < adev->usec_timeout; i++) {
225 if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL),
226 MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D1))
235 static void gmc_v7_0_vram_gtt_location(struct amdgpu_device *adev,
236 struct amdgpu_gmc *mc)
238 u64 base = RREG32(mmMC_VM_FB_LOCATION) & 0xFFFF;
242 amdgpu_gmc_set_agp_default(adev, mc);
243 amdgpu_gmc_vram_location(adev, mc, base);
244 amdgpu_gmc_gart_location(adev, mc, AMDGPU_GART_PLACEMENT_BEST_FIT);
248 * gmc_v7_0_mc_program - program the GPU memory controller
250 * @adev: amdgpu_device pointer
252 * Set the location of vram, gart, and AGP in the GPU's
253 * physical address space (CIK).
255 static void gmc_v7_0_mc_program(struct amdgpu_device *adev)
261 for (i = 0, j = 0; i < 32; i++, j += 0x6) {
262 WREG32((0xb05 + j), 0x00000000);
263 WREG32((0xb06 + j), 0x00000000);
264 WREG32((0xb07 + j), 0x00000000);
265 WREG32((0xb08 + j), 0x00000000);
266 WREG32((0xb09 + j), 0x00000000);
268 WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0);
270 if (gmc_v7_0_wait_for_idle((void *)adev))
271 dev_warn(adev->dev, "Wait for MC idle timedout !\n");
273 if (adev->mode_info.num_crtc) {
274 /* Lockout access through VGA aperture*/
275 tmp = RREG32(mmVGA_HDP_CONTROL);
276 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
277 WREG32(mmVGA_HDP_CONTROL, tmp);
279 /* disable VGA render */
280 tmp = RREG32(mmVGA_RENDER_CONTROL);
281 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
282 WREG32(mmVGA_RENDER_CONTROL, tmp);
284 /* Update configuration */
285 WREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
286 adev->gmc.vram_start >> 12);
287 WREG32(mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
288 adev->gmc.vram_end >> 12);
289 WREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR,
290 adev->mem_scratch.gpu_addr >> 12);
291 WREG32(mmMC_VM_AGP_BASE, 0);
292 WREG32(mmMC_VM_AGP_TOP, adev->gmc.agp_end >> 22);
293 WREG32(mmMC_VM_AGP_BOT, adev->gmc.agp_start >> 22);
294 if (gmc_v7_0_wait_for_idle((void *)adev))
295 dev_warn(adev->dev, "Wait for MC idle timedout !\n");
297 WREG32(mmBIF_FB_EN, BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK);
299 tmp = RREG32(mmHDP_MISC_CNTL);
300 tmp = REG_SET_FIELD(tmp, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 0);
301 WREG32(mmHDP_MISC_CNTL, tmp);
303 tmp = RREG32(mmHDP_HOST_PATH_CNTL);
304 WREG32(mmHDP_HOST_PATH_CNTL, tmp);
308 * gmc_v7_0_mc_init - initialize the memory controller driver params
310 * @adev: amdgpu_device pointer
312 * Look up the amount of vram, vram width, and decide how to place
313 * vram and gart within the GPU's physical address space (CIK).
314 * Returns 0 for success.
316 static int gmc_v7_0_mc_init(struct amdgpu_device *adev)
320 adev->gmc.vram_width = amdgpu_atombios_get_vram_width(adev);
321 if (!adev->gmc.vram_width) {
323 int chansize, numchan;
325 /* Get VRAM informations */
326 tmp = RREG32(mmMC_ARB_RAMCFG);
327 if (REG_GET_FIELD(tmp, MC_ARB_RAMCFG, CHANSIZE))
332 tmp = RREG32(mmMC_SHARED_CHMAP);
333 switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
363 adev->gmc.vram_width = numchan * chansize;
365 /* size in MB on si */
366 adev->gmc.mc_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
367 adev->gmc.real_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
369 if (!(adev->flags & AMD_IS_APU)) {
370 r = amdgpu_device_resize_fb_bar(adev);
374 adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
375 adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
378 if ((adev->flags & AMD_IS_APU) &&
379 adev->gmc.real_vram_size > adev->gmc.aper_size &&
380 !amdgpu_passthrough(adev)) {
381 adev->gmc.aper_base = ((u64)RREG32(mmMC_VM_FB_OFFSET)) << 22;
382 adev->gmc.aper_size = adev->gmc.real_vram_size;
386 adev->gmc.visible_vram_size = adev->gmc.aper_size;
388 /* set the gart size */
389 if (amdgpu_gart_size == -1) {
390 switch (adev->asic_type) {
391 case CHIP_TOPAZ: /* no MM engines */
393 adev->gmc.gart_size = 256ULL << 20;
395 #ifdef CONFIG_DRM_AMDGPU_CIK
396 case CHIP_BONAIRE: /* UVD, VCE do not support GPUVM */
397 case CHIP_HAWAII: /* UVD, VCE do not support GPUVM */
398 case CHIP_KAVERI: /* UVD, VCE do not support GPUVM */
399 case CHIP_KABINI: /* UVD, VCE do not support GPUVM */
400 case CHIP_MULLINS: /* UVD, VCE do not support GPUVM */
401 adev->gmc.gart_size = 1024ULL << 20;
406 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20;
409 adev->gmc.gart_size += adev->pm.smu_prv_buffer_size;
410 gmc_v7_0_vram_gtt_location(adev, &adev->gmc);
416 * gmc_v7_0_flush_gpu_tlb_pasid - tlb flush via pasid
418 * @adev: amdgpu_device pointer
419 * @pasid: pasid to be flush
420 * @flush_type: type of flush
421 * @all_hub: flush all hubs
422 * @inst: is used to select which instance of KIQ to use for the invalidation
424 * Flush the TLB for the requested pasid.
426 static void gmc_v7_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
427 uint16_t pasid, uint32_t flush_type,
428 bool all_hub, uint32_t inst)
433 for (vmid = 1; vmid < 16; vmid++) {
434 u32 tmp = RREG32(mmATC_VMID0_PASID_MAPPING + vmid);
436 if ((tmp & ATC_VMID0_PASID_MAPPING__VALID_MASK) &&
437 (tmp & ATC_VMID0_PASID_MAPPING__PASID_MASK) == pasid)
441 WREG32(mmVM_INVALIDATE_REQUEST, mask);
442 RREG32(mmVM_INVALIDATE_RESPONSE);
447 * VMID 0 is the physical GPU addresses as used by the kernel.
448 * VMIDs 1-15 are used for userspace clients and are handled
449 * by the amdgpu vm/hsa code.
453 * gmc_v7_0_flush_gpu_tlb - gart tlb flush callback
455 * @adev: amdgpu_device pointer
456 * @vmid: vm instance to flush
457 * @vmhub: which hub to flush
458 * @flush_type: type of flush
460 * Flush the TLB for the requested page table (CIK).
462 static void gmc_v7_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
463 uint32_t vmhub, uint32_t flush_type)
465 /* bits 0-15 are the VM contexts0-15 */
466 WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid);
469 static uint64_t gmc_v7_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
470 unsigned int vmid, uint64_t pd_addr)
475 reg = mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vmid;
477 reg = mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + vmid - 8;
478 amdgpu_ring_emit_wreg(ring, reg, pd_addr >> 12);
480 /* bits 0-15 are the VM contexts0-15 */
481 amdgpu_ring_emit_wreg(ring, mmVM_INVALIDATE_REQUEST, 1 << vmid);
486 static void gmc_v7_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned int vmid,
489 amdgpu_ring_emit_wreg(ring, mmIH_VMID_0_LUT + vmid, pasid);
492 static void gmc_v7_0_get_vm_pde(struct amdgpu_device *adev, int level,
493 uint64_t *addr, uint64_t *flags)
495 BUG_ON(*addr & 0xFFFFFF0000000FFFULL);
498 static void gmc_v7_0_get_vm_pte(struct amdgpu_device *adev,
499 struct amdgpu_bo_va_mapping *mapping,
502 *flags &= ~AMDGPU_PTE_EXECUTABLE;
503 *flags &= ~AMDGPU_PTE_PRT;
507 * gmc_v7_0_set_fault_enable_default - update VM fault handling
509 * @adev: amdgpu_device pointer
510 * @value: true redirects VM faults to the default page
512 static void gmc_v7_0_set_fault_enable_default(struct amdgpu_device *adev,
517 tmp = RREG32(mmVM_CONTEXT1_CNTL);
518 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
519 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
520 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
521 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
522 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
523 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
524 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
525 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
526 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
527 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
528 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
529 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
530 WREG32(mmVM_CONTEXT1_CNTL, tmp);
534 * gmc_v7_0_set_prt - set PRT VM fault
536 * @adev: amdgpu_device pointer
537 * @enable: enable/disable VM fault handling for PRT
539 static void gmc_v7_0_set_prt(struct amdgpu_device *adev, bool enable)
543 if (enable && !adev->gmc.prt_warning) {
544 dev_warn(adev->dev, "Disabling VM faults because of PRT request!\n");
545 adev->gmc.prt_warning = true;
548 tmp = RREG32(mmVM_PRT_CNTL);
549 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
550 CB_DISABLE_READ_FAULT_ON_UNMAPPED_ACCESS, enable);
551 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
552 CB_DISABLE_WRITE_FAULT_ON_UNMAPPED_ACCESS, enable);
553 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
554 TC_DISABLE_READ_FAULT_ON_UNMAPPED_ACCESS, enable);
555 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
556 TC_DISABLE_WRITE_FAULT_ON_UNMAPPED_ACCESS, enable);
557 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
558 L2_CACHE_STORE_INVALID_ENTRIES, enable);
559 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
560 L1_TLB_STORE_INVALID_ENTRIES, enable);
561 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
562 MASK_PDE0_FAULT, enable);
563 WREG32(mmVM_PRT_CNTL, tmp);
566 uint32_t low = AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT;
567 uint32_t high = adev->vm_manager.max_pfn -
568 (AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT);
570 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, low);
571 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, low);
572 WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, low);
573 WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, low);
574 WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, high);
575 WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, high);
576 WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, high);
577 WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, high);
579 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, 0xfffffff);
580 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, 0xfffffff);
581 WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, 0xfffffff);
582 WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, 0xfffffff);
583 WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, 0x0);
584 WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, 0x0);
585 WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, 0x0);
586 WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, 0x0);
591 * gmc_v7_0_gart_enable - gart enable
593 * @adev: amdgpu_device pointer
595 * This sets up the TLBs, programs the page tables for VMID0,
596 * sets up the hw for VMIDs 1-15 which are allocated on
597 * demand, and sets up the global locations for the LDS, GDS,
598 * and GPUVM for FSA64 clients (CIK).
599 * Returns 0 for success, errors for failure.
601 static int gmc_v7_0_gart_enable(struct amdgpu_device *adev)
607 if (adev->gart.bo == NULL) {
608 dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
611 amdgpu_gtt_mgr_recover(&adev->mman.gtt_mgr);
612 table_addr = amdgpu_bo_gpu_offset(adev->gart.bo);
614 /* Setup TLB control */
615 tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL);
616 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
617 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 1);
618 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
619 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 1);
620 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
621 WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp);
623 tmp = RREG32(mmVM_L2_CNTL);
624 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
625 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
626 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE, 1);
627 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE, 1);
628 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, EFFECTIVE_L2_QUEUE_SIZE, 7);
629 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
630 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);
631 WREG32(mmVM_L2_CNTL, tmp);
632 tmp = REG_SET_FIELD(0, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
633 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
634 WREG32(mmVM_L2_CNTL2, tmp);
636 field = adev->vm_manager.fragment_size;
637 tmp = RREG32(mmVM_L2_CNTL3);
638 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY, 1);
639 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, field);
640 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, field);
641 WREG32(mmVM_L2_CNTL3, tmp);
643 WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->gmc.gart_start >> 12);
644 WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->gmc.gart_end >> 12);
645 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, table_addr >> 12);
646 WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
647 (u32)(adev->dummy_page_addr >> 12));
648 WREG32(mmVM_CONTEXT0_CNTL2, 0);
649 tmp = RREG32(mmVM_CONTEXT0_CNTL);
650 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
651 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
652 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
653 WREG32(mmVM_CONTEXT0_CNTL, tmp);
659 /* empty context1-15 */
660 /* FIXME start with 4G, once using 2 level pt switch to full
663 /* set vm size, must be a multiple of 4 */
664 WREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
665 WREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR, adev->vm_manager.max_pfn - 1);
666 for (i = 1; i < AMDGPU_NUM_VMID; i++) {
668 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i,
671 WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + i - 8,
675 /* enable context1-15 */
676 WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
677 (u32)(adev->dummy_page_addr >> 12));
678 WREG32(mmVM_CONTEXT1_CNTL2, 4);
679 tmp = RREG32(mmVM_CONTEXT1_CNTL);
680 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
681 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 1);
682 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_BLOCK_SIZE,
683 adev->vm_manager.block_size - 9);
684 WREG32(mmVM_CONTEXT1_CNTL, tmp);
685 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
686 gmc_v7_0_set_fault_enable_default(adev, false);
688 gmc_v7_0_set_fault_enable_default(adev, true);
690 if (adev->asic_type == CHIP_KAVERI) {
691 tmp = RREG32(mmCHUB_CONTROL);
693 WREG32(mmCHUB_CONTROL, tmp);
696 gmc_v7_0_flush_gpu_tlb(adev, 0, 0, 0);
697 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
698 (unsigned int)(adev->gmc.gart_size >> 20),
699 (unsigned long long)table_addr);
703 static int gmc_v7_0_gart_init(struct amdgpu_device *adev)
708 WARN(1, "R600 PCIE GART already initialized\n");
711 /* Initialize common gart structure */
712 r = amdgpu_gart_init(adev);
715 adev->gart.table_size = adev->gart.num_gpu_pages * 8;
716 adev->gart.gart_pte_flags = 0;
717 return amdgpu_gart_table_vram_alloc(adev);
721 * gmc_v7_0_gart_disable - gart disable
723 * @adev: amdgpu_device pointer
725 * This disables all VM page table (CIK).
727 static void gmc_v7_0_gart_disable(struct amdgpu_device *adev)
731 /* Disable all tables */
732 WREG32(mmVM_CONTEXT0_CNTL, 0);
733 WREG32(mmVM_CONTEXT1_CNTL, 0);
734 /* Setup TLB control */
735 tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL);
736 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
737 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 0);
738 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 0);
739 WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp);
741 tmp = RREG32(mmVM_L2_CNTL);
742 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
743 WREG32(mmVM_L2_CNTL, tmp);
744 WREG32(mmVM_L2_CNTL2, 0);
748 * gmc_v7_0_vm_decode_fault - print human readable fault info
750 * @adev: amdgpu_device pointer
751 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
752 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
753 * @mc_client: VM_CONTEXT1_PROTECTION_FAULT_MCCLIENT register value
754 * @pasid: debug logging only - no functional use
756 * Print human readable fault information (CIK).
758 static void gmc_v7_0_vm_decode_fault(struct amdgpu_device *adev, u32 status,
759 u32 addr, u32 mc_client, unsigned int pasid)
761 u32 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, VMID);
762 u32 protections = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
764 char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff,
765 (mc_client >> 8) & 0xff, mc_client & 0xff, 0 };
768 mc_id = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
771 dev_err(adev->dev, "VM fault (0x%02x, vmid %d, pasid %d) at page %u, %s from '%s' (0x%08x) (%d)\n",
772 protections, vmid, pasid, addr,
773 REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
775 "write" : "read", block, mc_client, mc_id);
779 static const u32 mc_cg_registers[] = {
780 mmMC_HUB_MISC_HUB_CG,
781 mmMC_HUB_MISC_SIP_CG,
785 mmMC_CITF_MISC_WR_CG,
786 mmMC_CITF_MISC_RD_CG,
787 mmMC_CITF_MISC_VM_CG,
791 static const u32 mc_cg_ls_en[] = {
792 MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK,
793 MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK,
794 MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK,
795 MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK,
796 ATC_MISC_CG__MEM_LS_ENABLE_MASK,
797 MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK,
798 MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK,
799 MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK,
800 VM_L2_CG__MEM_LS_ENABLE_MASK,
803 static const u32 mc_cg_en[] = {
804 MC_HUB_MISC_HUB_CG__ENABLE_MASK,
805 MC_HUB_MISC_SIP_CG__ENABLE_MASK,
806 MC_HUB_MISC_VM_CG__ENABLE_MASK,
807 MC_XPB_CLK_GAT__ENABLE_MASK,
808 ATC_MISC_CG__ENABLE_MASK,
809 MC_CITF_MISC_WR_CG__ENABLE_MASK,
810 MC_CITF_MISC_RD_CG__ENABLE_MASK,
811 MC_CITF_MISC_VM_CG__ENABLE_MASK,
812 VM_L2_CG__ENABLE_MASK,
815 static void gmc_v7_0_enable_mc_ls(struct amdgpu_device *adev,
821 for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
822 orig = data = RREG32(mc_cg_registers[i]);
823 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS))
824 data |= mc_cg_ls_en[i];
826 data &= ~mc_cg_ls_en[i];
828 WREG32(mc_cg_registers[i], data);
832 static void gmc_v7_0_enable_mc_mgcg(struct amdgpu_device *adev,
838 for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
839 orig = data = RREG32(mc_cg_registers[i]);
840 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG))
843 data &= ~mc_cg_en[i];
845 WREG32(mc_cg_registers[i], data);
849 static void gmc_v7_0_enable_bif_mgls(struct amdgpu_device *adev,
854 orig = data = RREG32_PCIE(ixPCIE_CNTL2);
856 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) {
857 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 1);
858 data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 1);
859 data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 1);
860 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 1);
862 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 0);
863 data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 0);
864 data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 0);
865 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 0);
869 WREG32_PCIE(ixPCIE_CNTL2, data);
872 static void gmc_v7_0_enable_hdp_mgcg(struct amdgpu_device *adev,
877 orig = data = RREG32(mmHDP_HOST_PATH_CNTL);
879 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_MGCG))
880 data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 0);
882 data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 1);
885 WREG32(mmHDP_HOST_PATH_CNTL, data);
888 static void gmc_v7_0_enable_hdp_ls(struct amdgpu_device *adev,
893 orig = data = RREG32(mmHDP_MEM_POWER_LS);
895 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
896 data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 1);
898 data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 0);
901 WREG32(mmHDP_MEM_POWER_LS, data);
904 static int gmc_v7_0_convert_vram_type(int mc_seq_vram_type)
906 switch (mc_seq_vram_type) {
907 case MC_SEQ_MISC0__MT__GDDR1:
908 return AMDGPU_VRAM_TYPE_GDDR1;
909 case MC_SEQ_MISC0__MT__DDR2:
910 return AMDGPU_VRAM_TYPE_DDR2;
911 case MC_SEQ_MISC0__MT__GDDR3:
912 return AMDGPU_VRAM_TYPE_GDDR3;
913 case MC_SEQ_MISC0__MT__GDDR4:
914 return AMDGPU_VRAM_TYPE_GDDR4;
915 case MC_SEQ_MISC0__MT__GDDR5:
916 return AMDGPU_VRAM_TYPE_GDDR5;
917 case MC_SEQ_MISC0__MT__HBM:
918 return AMDGPU_VRAM_TYPE_HBM;
919 case MC_SEQ_MISC0__MT__DDR3:
920 return AMDGPU_VRAM_TYPE_DDR3;
922 return AMDGPU_VRAM_TYPE_UNKNOWN;
926 static int gmc_v7_0_early_init(void *handle)
928 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
930 gmc_v7_0_set_gmc_funcs(adev);
931 gmc_v7_0_set_irq_funcs(adev);
933 adev->gmc.shared_aperture_start = 0x2000000000000000ULL;
934 adev->gmc.shared_aperture_end =
935 adev->gmc.shared_aperture_start + (4ULL << 30) - 1;
936 adev->gmc.private_aperture_start =
937 adev->gmc.shared_aperture_end + 1;
938 adev->gmc.private_aperture_end =
939 adev->gmc.private_aperture_start + (4ULL << 30) - 1;
940 adev->gmc.noretry_flags = AMDGPU_VM_NORETRY_FLAGS_TF;
945 static int gmc_v7_0_late_init(void *handle)
947 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
949 if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS)
950 return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0);
955 static unsigned int gmc_v7_0_get_vbios_fb_size(struct amdgpu_device *adev)
957 u32 d1vga_control = RREG32(mmD1VGA_CONTROL);
960 if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) {
961 size = AMDGPU_VBIOS_VGA_ALLOCATION;
963 u32 viewport = RREG32(mmVIEWPORT_SIZE);
965 size = (REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_HEIGHT) *
966 REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_WIDTH) *
973 static int gmc_v7_0_sw_init(void *handle)
976 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
978 set_bit(AMDGPU_GFXHUB(0), adev->vmhubs_mask);
980 if (adev->flags & AMD_IS_APU) {
981 adev->gmc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
983 u32 tmp = RREG32(mmMC_SEQ_MISC0);
985 tmp &= MC_SEQ_MISC0__MT__MASK;
986 adev->gmc.vram_type = gmc_v7_0_convert_vram_type(tmp);
989 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_GFX_PAGE_INV_FAULT, &adev->gmc.vm_fault);
993 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_GFX_MEM_PROT_FAULT, &adev->gmc.vm_fault);
997 /* Adjust VM size here.
998 * Currently set to 4GB ((1 << 20) 4k pages).
999 * Max GPUVM size for cayman and SI is 40 bits.
1001 amdgpu_vm_adjust_size(adev, 64, 9, 1, 40);
1003 /* Set the internal MC address mask
1004 * This is the max address of the GPU's
1005 * internal address space.
1007 adev->gmc.mc_mask = 0xffffffffffULL; /* 40 bit MC */
1009 r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(40));
1011 pr_warn("No suitable DMA available\n");
1014 adev->need_swiotlb = drm_need_swiotlb(40);
1016 r = gmc_v7_0_init_microcode(adev);
1018 DRM_ERROR("Failed to load mc firmware!\n");
1022 r = gmc_v7_0_mc_init(adev);
1026 amdgpu_gmc_get_vbios_allocations(adev);
1028 /* Memory manager */
1029 r = amdgpu_bo_init(adev);
1033 r = gmc_v7_0_gart_init(adev);
1039 * VMID 0 is reserved for System
1040 * amdgpu graphics/compute will use VMIDs 1-7
1041 * amdkfd will use VMIDs 8-15
1043 adev->vm_manager.first_kfd_vmid = 8;
1044 amdgpu_vm_manager_init(adev);
1046 /* base offset of vram pages */
1047 if (adev->flags & AMD_IS_APU) {
1048 u64 tmp = RREG32(mmMC_VM_FB_OFFSET);
1051 adev->vm_manager.vram_base_offset = tmp;
1053 adev->vm_manager.vram_base_offset = 0;
1056 adev->gmc.vm_fault_info = kmalloc(sizeof(struct kfd_vm_fault_info),
1058 if (!adev->gmc.vm_fault_info)
1060 atomic_set(&adev->gmc.vm_fault_info_updated, 0);
1065 static int gmc_v7_0_sw_fini(void *handle)
1067 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1069 amdgpu_gem_force_release(adev);
1070 amdgpu_vm_manager_fini(adev);
1071 kfree(adev->gmc.vm_fault_info);
1072 amdgpu_gart_table_vram_free(adev);
1073 amdgpu_bo_fini(adev);
1074 amdgpu_ucode_release(&adev->gmc.fw);
1079 static int gmc_v7_0_hw_init(void *handle)
1082 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1084 gmc_v7_0_init_golden_registers(adev);
1086 gmc_v7_0_mc_program(adev);
1088 if (!(adev->flags & AMD_IS_APU)) {
1089 r = gmc_v7_0_mc_load_microcode(adev);
1091 DRM_ERROR("Failed to load MC firmware!\n");
1096 r = gmc_v7_0_gart_enable(adev);
1100 if (amdgpu_emu_mode == 1)
1101 return amdgpu_gmc_vram_checking(adev);
1106 static int gmc_v7_0_hw_fini(void *handle)
1108 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1110 amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
1111 gmc_v7_0_gart_disable(adev);
1116 static int gmc_v7_0_suspend(void *handle)
1118 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1120 gmc_v7_0_hw_fini(adev);
1125 static int gmc_v7_0_resume(void *handle)
1128 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1130 r = gmc_v7_0_hw_init(adev);
1134 amdgpu_vmid_reset_all(adev);
1139 static bool gmc_v7_0_is_idle(void *handle)
1141 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1142 u32 tmp = RREG32(mmSRBM_STATUS);
1144 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1145 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK | SRBM_STATUS__VMC_BUSY_MASK))
1151 static int gmc_v7_0_wait_for_idle(void *handle)
1155 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1157 for (i = 0; i < adev->usec_timeout; i++) {
1158 /* read MC_STATUS */
1159 tmp = RREG32(mmSRBM_STATUS) & (SRBM_STATUS__MCB_BUSY_MASK |
1160 SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1161 SRBM_STATUS__MCC_BUSY_MASK |
1162 SRBM_STATUS__MCD_BUSY_MASK |
1163 SRBM_STATUS__VMC_BUSY_MASK);
1172 static int gmc_v7_0_soft_reset(void *handle)
1174 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1175 u32 srbm_soft_reset = 0;
1176 u32 tmp = RREG32(mmSRBM_STATUS);
1178 if (tmp & SRBM_STATUS__VMC_BUSY_MASK)
1179 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
1180 SRBM_SOFT_RESET, SOFT_RESET_VMC, 1);
1182 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1183 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK)) {
1184 if (!(adev->flags & AMD_IS_APU))
1185 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
1186 SRBM_SOFT_RESET, SOFT_RESET_MC, 1);
1189 if (srbm_soft_reset) {
1190 gmc_v7_0_mc_stop(adev);
1191 if (gmc_v7_0_wait_for_idle((void *)adev))
1192 dev_warn(adev->dev, "Wait for GMC idle timed out !\n");
1194 tmp = RREG32(mmSRBM_SOFT_RESET);
1195 tmp |= srbm_soft_reset;
1196 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1197 WREG32(mmSRBM_SOFT_RESET, tmp);
1198 tmp = RREG32(mmSRBM_SOFT_RESET);
1202 tmp &= ~srbm_soft_reset;
1203 WREG32(mmSRBM_SOFT_RESET, tmp);
1204 tmp = RREG32(mmSRBM_SOFT_RESET);
1206 /* Wait a little for things to settle down */
1209 gmc_v7_0_mc_resume(adev);
1216 static int gmc_v7_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
1217 struct amdgpu_irq_src *src,
1219 enum amdgpu_interrupt_state state)
1222 u32 bits = (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1223 VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1224 VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1225 VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1226 VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1227 VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK);
1230 case AMDGPU_IRQ_STATE_DISABLE:
1231 /* system context */
1232 tmp = RREG32(mmVM_CONTEXT0_CNTL);
1234 WREG32(mmVM_CONTEXT0_CNTL, tmp);
1236 tmp = RREG32(mmVM_CONTEXT1_CNTL);
1238 WREG32(mmVM_CONTEXT1_CNTL, tmp);
1240 case AMDGPU_IRQ_STATE_ENABLE:
1241 /* system context */
1242 tmp = RREG32(mmVM_CONTEXT0_CNTL);
1244 WREG32(mmVM_CONTEXT0_CNTL, tmp);
1246 tmp = RREG32(mmVM_CONTEXT1_CNTL);
1248 WREG32(mmVM_CONTEXT1_CNTL, tmp);
1257 static int gmc_v7_0_process_interrupt(struct amdgpu_device *adev,
1258 struct amdgpu_irq_src *source,
1259 struct amdgpu_iv_entry *entry)
1261 u32 addr, status, mc_client, vmid;
1263 addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR);
1264 status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS);
1265 mc_client = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_MCCLIENT);
1266 /* reset addr and status */
1267 WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1);
1269 if (!addr && !status)
1272 amdgpu_vm_update_fault_cache(adev, entry->pasid,
1273 ((u64)addr) << AMDGPU_GPU_PAGE_SHIFT, status, AMDGPU_GFXHUB(0));
1275 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST)
1276 gmc_v7_0_set_fault_enable_default(adev, false);
1278 if (printk_ratelimit()) {
1279 dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n",
1280 entry->src_id, entry->src_data[0]);
1281 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
1283 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1285 gmc_v7_0_vm_decode_fault(adev, status, addr, mc_client,
1289 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1291 if (amdgpu_amdkfd_is_kfd_vmid(adev, vmid)
1292 && !atomic_read(&adev->gmc.vm_fault_info_updated)) {
1293 struct kfd_vm_fault_info *info = adev->gmc.vm_fault_info;
1294 u32 protections = REG_GET_FIELD(status,
1295 VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1299 info->mc_id = REG_GET_FIELD(status,
1300 VM_CONTEXT1_PROTECTION_FAULT_STATUS,
1302 info->status = status;
1303 info->page_addr = addr;
1304 info->prot_valid = protections & 0x7 ? true : false;
1305 info->prot_read = protections & 0x8 ? true : false;
1306 info->prot_write = protections & 0x10 ? true : false;
1307 info->prot_exec = protections & 0x20 ? true : false;
1309 atomic_set(&adev->gmc.vm_fault_info_updated, 1);
1315 static int gmc_v7_0_set_clockgating_state(void *handle,
1316 enum amd_clockgating_state state)
1319 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1321 if (state == AMD_CG_STATE_GATE)
1324 if (!(adev->flags & AMD_IS_APU)) {
1325 gmc_v7_0_enable_mc_mgcg(adev, gate);
1326 gmc_v7_0_enable_mc_ls(adev, gate);
1328 gmc_v7_0_enable_bif_mgls(adev, gate);
1329 gmc_v7_0_enable_hdp_mgcg(adev, gate);
1330 gmc_v7_0_enable_hdp_ls(adev, gate);
1335 static int gmc_v7_0_set_powergating_state(void *handle,
1336 enum amd_powergating_state state)
1341 static const struct amd_ip_funcs gmc_v7_0_ip_funcs = {
1343 .early_init = gmc_v7_0_early_init,
1344 .late_init = gmc_v7_0_late_init,
1345 .sw_init = gmc_v7_0_sw_init,
1346 .sw_fini = gmc_v7_0_sw_fini,
1347 .hw_init = gmc_v7_0_hw_init,
1348 .hw_fini = gmc_v7_0_hw_fini,
1349 .suspend = gmc_v7_0_suspend,
1350 .resume = gmc_v7_0_resume,
1351 .is_idle = gmc_v7_0_is_idle,
1352 .wait_for_idle = gmc_v7_0_wait_for_idle,
1353 .soft_reset = gmc_v7_0_soft_reset,
1354 .set_clockgating_state = gmc_v7_0_set_clockgating_state,
1355 .set_powergating_state = gmc_v7_0_set_powergating_state,
1358 static const struct amdgpu_gmc_funcs gmc_v7_0_gmc_funcs = {
1359 .flush_gpu_tlb = gmc_v7_0_flush_gpu_tlb,
1360 .flush_gpu_tlb_pasid = gmc_v7_0_flush_gpu_tlb_pasid,
1361 .emit_flush_gpu_tlb = gmc_v7_0_emit_flush_gpu_tlb,
1362 .emit_pasid_mapping = gmc_v7_0_emit_pasid_mapping,
1363 .set_prt = gmc_v7_0_set_prt,
1364 .get_vm_pde = gmc_v7_0_get_vm_pde,
1365 .get_vm_pte = gmc_v7_0_get_vm_pte,
1366 .get_vbios_fb_size = gmc_v7_0_get_vbios_fb_size,
1369 static const struct amdgpu_irq_src_funcs gmc_v7_0_irq_funcs = {
1370 .set = gmc_v7_0_vm_fault_interrupt_state,
1371 .process = gmc_v7_0_process_interrupt,
1374 static void gmc_v7_0_set_gmc_funcs(struct amdgpu_device *adev)
1376 adev->gmc.gmc_funcs = &gmc_v7_0_gmc_funcs;
1379 static void gmc_v7_0_set_irq_funcs(struct amdgpu_device *adev)
1381 adev->gmc.vm_fault.num_types = 1;
1382 adev->gmc.vm_fault.funcs = &gmc_v7_0_irq_funcs;
1385 const struct amdgpu_ip_block_version gmc_v7_0_ip_block = {
1386 .type = AMD_IP_BLOCK_TYPE_GMC,
1390 .funcs = &gmc_v7_0_ip_funcs,
1393 const struct amdgpu_ip_block_version gmc_v7_4_ip_block = {
1394 .type = AMD_IP_BLOCK_TYPE_GMC,
1398 .funcs = &gmc_v7_0_ip_funcs,