/* * Copyright 2014 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * */ #include #include "drmP.h" #include "amdgpu.h" #include "cikd.h" #include "cik.h" #include "gmc_v7_0.h" #include "amdgpu_ucode.h" #include "bif/bif_4_1_d.h" #include "bif/bif_4_1_sh_mask.h" #include "gmc/gmc_7_1_d.h" #include "gmc/gmc_7_1_sh_mask.h" #include "oss/oss_2_0_d.h" #include "oss/oss_2_0_sh_mask.h" static void gmc_v7_0_set_gart_funcs(struct amdgpu_device *adev); static void gmc_v7_0_set_irq_funcs(struct amdgpu_device *adev); MODULE_FIRMWARE("radeon/boniare_mc.bin"); MODULE_FIRMWARE("radeon/hawaii_mc.bin"); /** * gmc8_mc_wait_for_idle - wait for MC idle callback. * * @adev: amdgpu_device pointer * * Wait for the MC (memory controller) to be idle. * (evergreen+). * Returns 0 if the MC is idle, -1 if not. */ int gmc_v7_0_mc_wait_for_idle(struct amdgpu_device *adev) { unsigned i; u32 tmp; for (i = 0; i < adev->usec_timeout; i++) { /* read MC_STATUS */ tmp = RREG32(mmSRBM_STATUS) & 0x1F00; if (!tmp) return 0; udelay(1); } return -1; } void gmc_v7_0_mc_stop(struct amdgpu_device *adev, struct amdgpu_mode_mc_save *save) { u32 blackout; if (adev->mode_info.num_crtc) amdgpu_display_stop_mc_access(adev, save); amdgpu_asic_wait_for_mc_idle(adev); blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL); if (REG_GET_FIELD(blackout, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE) != 1) { /* Block CPU access */ WREG32(mmBIF_FB_EN, 0); /* blackout the MC */ blackout = REG_SET_FIELD(blackout, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0); WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout | 1); } /* wait for the MC to settle */ udelay(100); } void gmc_v7_0_mc_resume(struct amdgpu_device *adev, struct amdgpu_mode_mc_save *save) { u32 tmp; /* unblackout the MC */ tmp = RREG32(mmMC_SHARED_BLACKOUT_CNTL); tmp = REG_SET_FIELD(tmp, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0); WREG32(mmMC_SHARED_BLACKOUT_CNTL, tmp); /* allow CPU access */ tmp = REG_SET_FIELD(0, BIF_FB_EN, FB_READ_EN, 1); tmp = REG_SET_FIELD(tmp, BIF_FB_EN, FB_WRITE_EN, 1); WREG32(mmBIF_FB_EN, tmp); if (adev->mode_info.num_crtc) amdgpu_display_resume_mc_access(adev, save); } /** * gmc_v7_0_init_microcode - load ucode images from disk * * @adev: amdgpu_device pointer * * Use the firmware interface to load the ucode images into * the driver (not loaded into hw). * Returns 0 on success, error on failure. */ static int gmc_v7_0_init_microcode(struct amdgpu_device *adev) { const char *chip_name; char fw_name[30]; int err; DRM_DEBUG("\n"); switch (adev->asic_type) { case CHIP_BONAIRE: chip_name = "bonaire"; break; case CHIP_HAWAII: chip_name = "hawaii"; break; case CHIP_KAVERI: case CHIP_KABINI: return 0; default: BUG(); } snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name); err = request_firmware(&adev->mc.fw, fw_name, adev->dev); if (err) goto out; err = amdgpu_ucode_validate(adev->mc.fw); out: if (err) { printk(KERN_ERR "cik_mc: Failed to load firmware \"%s\"\n", fw_name); release_firmware(adev->mc.fw); adev->mc.fw = NULL; } return err; } /** * gmc_v7_0_mc_load_microcode - load MC ucode into the hw * * @adev: amdgpu_device pointer * * Load the GDDR MC ucode into the hw (CIK). * Returns 0 on success, error on failure. */ static int gmc_v7_0_mc_load_microcode(struct amdgpu_device *adev) { const struct mc_firmware_header_v1_0 *hdr; const __le32 *fw_data = NULL; const __le32 *io_mc_regs = NULL; u32 running, blackout = 0; int i, ucode_size, regs_size; if (!adev->mc.fw) return -EINVAL; hdr = (const struct mc_firmware_header_v1_0 *)adev->mc.fw->data; amdgpu_ucode_print_mc_hdr(&hdr->header); adev->mc.fw_version = le32_to_cpu(hdr->header.ucode_version); regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2); io_mc_regs = (const __le32 *) (adev->mc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes)); ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4; fw_data = (const __le32 *) (adev->mc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes)); running = REG_GET_FIELD(RREG32(mmMC_SEQ_SUP_CNTL), MC_SEQ_SUP_CNTL, RUN); if (running == 0) { if (running) { blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL); WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout | 1); } /* reset the engine and set to writable */ WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008); WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010); /* load mc io regs */ for (i = 0; i < regs_size; i++) { WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(io_mc_regs++)); WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(io_mc_regs++)); } /* load the MC ucode */ for (i = 0; i < ucode_size; i++) WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(fw_data++)); /* put the engine back into the active state */ WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008); WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004); WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001); /* wait for training to complete */ for (i = 0; i < adev->usec_timeout; i++) { if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL), MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D0)) break; udelay(1); } for (i = 0; i < adev->usec_timeout; i++) { if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL), MC_SEQ_TRAIN_WAKEUP_CNTL, TRAIN_DONE_D1)) break; udelay(1); } if (running) WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout); } return 0; } static void gmc_v7_0_vram_gtt_location(struct amdgpu_device *adev, struct amdgpu_mc *mc) { if (mc->mc_vram_size > 0xFFC0000000ULL) { /* leave room for at least 1024M GTT */ dev_warn(adev->dev, "limiting VRAM\n"); mc->real_vram_size = 0xFFC0000000ULL; mc->mc_vram_size = 0xFFC0000000ULL; } amdgpu_vram_location(adev, &adev->mc, 0); adev->mc.gtt_base_align = 0; amdgpu_gtt_location(adev, mc); } /** * gmc_v7_0_mc_program - program the GPU memory controller * * @adev: amdgpu_device pointer * * Set the location of vram, gart, and AGP in the GPU's * physical address space (CIK). */ static void gmc_v7_0_mc_program(struct amdgpu_device *adev) { struct amdgpu_mode_mc_save save; u32 tmp; int i, j; /* Initialize HDP */ for (i = 0, j = 0; i < 32; i++, j += 0x6) { WREG32((0xb05 + j), 0x00000000); WREG32((0xb06 + j), 0x00000000); WREG32((0xb07 + j), 0x00000000); WREG32((0xb08 + j), 0x00000000); WREG32((0xb09 + j), 0x00000000); } WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0); if (adev->mode_info.num_crtc) amdgpu_display_set_vga_render_state(adev, false); gmc_v7_0_mc_stop(adev, &save); if (amdgpu_asic_wait_for_mc_idle(adev)) { dev_warn(adev->dev, "Wait for MC idle timedout !\n"); } /* Update configuration */ WREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR, adev->mc.vram_start >> 12); WREG32(mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR, adev->mc.vram_end >> 12); WREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, adev->vram_scratch.gpu_addr >> 12); tmp = ((adev->mc.vram_end >> 24) & 0xFFFF) << 16; tmp |= ((adev->mc.vram_start >> 24) & 0xFFFF); WREG32(mmMC_VM_FB_LOCATION, tmp); /* XXX double check these! */ WREG32(mmHDP_NONSURFACE_BASE, (adev->mc.vram_start >> 8)); WREG32(mmHDP_NONSURFACE_INFO, (2 << 7) | (1 << 30)); WREG32(mmHDP_NONSURFACE_SIZE, 0x3FFFFFFF); WREG32(mmMC_VM_AGP_BASE, 0); WREG32(mmMC_VM_AGP_TOP, 0x0FFFFFFF); WREG32(mmMC_VM_AGP_BOT, 0x0FFFFFFF); if (amdgpu_asic_wait_for_mc_idle(adev)) { dev_warn(adev->dev, "Wait for MC idle timedout !\n"); } gmc_v7_0_mc_resume(adev, &save); WREG32(mmBIF_FB_EN, BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK); tmp = RREG32(mmHDP_MISC_CNTL); tmp = REG_SET_FIELD(tmp, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 1); WREG32(mmHDP_MISC_CNTL, tmp); tmp = RREG32(mmHDP_HOST_PATH_CNTL); WREG32(mmHDP_HOST_PATH_CNTL, tmp); } /** * gmc_v7_0_mc_init - initialize the memory controller driver params * * @adev: amdgpu_device pointer * * Look up the amount of vram, vram width, and decide how to place * vram and gart within the GPU's physical address space (CIK). * Returns 0 for success. */ static int gmc_v7_0_mc_init(struct amdgpu_device *adev) { u32 tmp; int chansize, numchan; /* Get VRAM informations */ tmp = RREG32(mmMC_ARB_RAMCFG); if (REG_GET_FIELD(tmp, MC_ARB_RAMCFG, CHANSIZE)) { chansize = 64; } else { chansize = 32; } tmp = RREG32(mmMC_SHARED_CHMAP); switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) { case 0: default: numchan = 1; break; case 1: numchan = 2; break; case 2: numchan = 4; break; case 3: numchan = 8; break; case 4: numchan = 3; break; case 5: numchan = 6; break; case 6: numchan = 10; break; case 7: numchan = 12; break; case 8: numchan = 16; break; } adev->mc.vram_width = numchan * chansize; /* Could aper size report 0 ? */ adev->mc.aper_base = pci_resource_start(adev->pdev, 0); adev->mc.aper_size = pci_resource_len(adev->pdev, 0); /* size in MB on si */ adev->mc.mc_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL; adev->mc.real_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL; adev->mc.visible_vram_size = adev->mc.aper_size; /* unless the user had overridden it, set the gart * size equal to the 1024 or vram, whichever is larger. */ if (amdgpu_gart_size == -1) adev->mc.gtt_size = max((1024ULL << 20), adev->mc.mc_vram_size); else adev->mc.gtt_size = (uint64_t)amdgpu_gart_size << 20; gmc_v7_0_vram_gtt_location(adev, &adev->mc); return 0; } /* * GART * VMID 0 is the physical GPU addresses as used by the kernel. * VMIDs 1-15 are used for userspace clients and are handled * by the amdgpu vm/hsa code. */ /** * gmc_v7_0_gart_flush_gpu_tlb - gart tlb flush callback * * @adev: amdgpu_device pointer * @vmid: vm instance to flush * * Flush the TLB for the requested page table (CIK). */ static void gmc_v7_0_gart_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid) { /* flush hdp cache */ WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 0); /* bits 0-15 are the VM contexts0-15 */ WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid); } /** * gmc_v7_0_gart_set_pte_pde - update the page tables using MMIO * * @adev: amdgpu_device pointer * @cpu_pt_addr: cpu address of the page table * @gpu_page_idx: entry in the page table to update * @addr: dst addr to write into pte/pde * @flags: access flags * * Update the page tables using the CPU. */ static int gmc_v7_0_gart_set_pte_pde(struct amdgpu_device *adev, void *cpu_pt_addr, uint32_t gpu_page_idx, uint64_t addr, uint32_t flags) { void __iomem *ptr = (void *)cpu_pt_addr; uint64_t value; value = addr & 0xFFFFFFFFFFFFF000ULL; value |= flags; writeq(value, ptr + (gpu_page_idx * 8)); return 0; } /** * gmc_v7_0_gart_enable - gart enable * * @adev: amdgpu_device pointer * * This sets up the TLBs, programs the page tables for VMID0, * sets up the hw for VMIDs 1-15 which are allocated on * demand, and sets up the global locations for the LDS, GDS, * and GPUVM for FSA64 clients (CIK). * Returns 0 for success, errors for failure. */ static int gmc_v7_0_gart_enable(struct amdgpu_device *adev) { int r, i; u32 tmp; if (adev->gart.robj == NULL) { dev_err(adev->dev, "No VRAM object for PCIE GART.\n"); return -EINVAL; } r = amdgpu_gart_table_vram_pin(adev); if (r) return r; /* Setup TLB control */ tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 1); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 1); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp); /* Setup L2 cache */ tmp = RREG32(mmVM_L2_CNTL); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE, 1); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE, 1); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, EFFECTIVE_L2_QUEUE_SIZE, 7); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1); WREG32(mmVM_L2_CNTL, tmp); tmp = REG_SET_FIELD(0, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); WREG32(mmVM_L2_CNTL2, tmp); tmp = RREG32(mmVM_L2_CNTL3); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY, 1); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 4); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, 4); WREG32(mmVM_L2_CNTL3, tmp); /* setup context0 */ WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->mc.gtt_start >> 12); WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, (adev->mc.gtt_end >> 12) - 1); WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, adev->gart.table_addr >> 12); WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, (u32)(adev->dummy_page.addr >> 12)); WREG32(mmVM_CONTEXT0_CNTL2, 0); tmp = RREG32(mmVM_CONTEXT0_CNTL); tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0); tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); WREG32(mmVM_CONTEXT0_CNTL, tmp); WREG32(0x575, 0); WREG32(0x576, 0); WREG32(0x577, 0); /* empty context1-15 */ /* FIXME start with 4G, once using 2 level pt switch to full * vm size space */ /* set vm size, must be a multiple of 4 */ WREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR, 0); WREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR, adev->vm_manager.max_pfn - 1); for (i = 1; i < 16; i++) { if (i < 8) WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i, adev->gart.table_addr >> 12); else WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + i - 8, adev->gart.table_addr >> 12); } /* enable context1-15 */ WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR, (u32)(adev->dummy_page.addr >> 12)); WREG32(mmVM_CONTEXT1_CNTL2, 4); tmp = RREG32(mmVM_CONTEXT1_CNTL); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, 1); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_BLOCK_SIZE, amdgpu_vm_block_size - 9); WREG32(mmVM_CONTEXT1_CNTL, tmp); if (adev->asic_type == CHIP_KAVERI) { tmp = RREG32(mmCHUB_CONTROL); tmp &= ~BYPASS_VM; WREG32(mmCHUB_CONTROL, tmp); } gmc_v7_0_gart_flush_gpu_tlb(adev, 0); DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", (unsigned)(adev->mc.gtt_size >> 20), (unsigned long long)adev->gart.table_addr); adev->gart.ready = true; return 0; } static int gmc_v7_0_gart_init(struct amdgpu_device *adev) { int r; if (adev->gart.robj) { WARN(1, "R600 PCIE GART already initialized\n"); return 0; } /* Initialize common gart structure */ r = amdgpu_gart_init(adev); if (r) return r; adev->gart.table_size = adev->gart.num_gpu_pages * 8; return amdgpu_gart_table_vram_alloc(adev); } /** * gmc_v7_0_gart_disable - gart disable * * @adev: amdgpu_device pointer * * This disables all VM page table (CIK). */ static void gmc_v7_0_gart_disable(struct amdgpu_device *adev) { u32 tmp; /* Disable all tables */ WREG32(mmVM_CONTEXT0_CNTL, 0); WREG32(mmVM_CONTEXT1_CNTL, 0); /* Setup TLB control */ tmp = RREG32(mmMC_VM_MX_L1_TLB_CNTL); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING, 0); tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 0); WREG32(mmMC_VM_MX_L1_TLB_CNTL, tmp); /* Setup L2 cache */ tmp = RREG32(mmVM_L2_CNTL); tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0); WREG32(mmVM_L2_CNTL, tmp); WREG32(mmVM_L2_CNTL2, 0); amdgpu_gart_table_vram_unpin(adev); } /** * gmc_v7_0_gart_fini - vm fini callback * * @adev: amdgpu_device pointer * * Tears down the driver GART/VM setup (CIK). */ static void gmc_v7_0_gart_fini(struct amdgpu_device *adev) { amdgpu_gart_table_vram_free(adev); amdgpu_gart_fini(adev); } /* * vm * VMID 0 is the physical GPU addresses as used by the kernel. * VMIDs 1-15 are used for userspace clients and are handled * by the amdgpu vm/hsa code. */ /** * gmc_v7_0_vm_init - cik vm init callback * * @adev: amdgpu_device pointer * * Inits cik specific vm parameters (number of VMs, base of vram for * VMIDs 1-15) (CIK). * Returns 0 for success. */ static int gmc_v7_0_vm_init(struct amdgpu_device *adev) { /* * number of VMs * VMID 0 is reserved for System * amdgpu graphics/compute will use VMIDs 1-7 * amdkfd will use VMIDs 8-15 */ adev->vm_manager.nvm = AMDGPU_NUM_OF_VMIDS; /* base offset of vram pages */ if (adev->flags & AMD_IS_APU) { u64 tmp = RREG32(mmMC_VM_FB_OFFSET); tmp <<= 22; adev->vm_manager.vram_base_offset = tmp; } else adev->vm_manager.vram_base_offset = 0; return 0; } /** * gmc_v7_0_vm_fini - cik vm fini callback * * @adev: amdgpu_device pointer * * Tear down any asic specific VM setup (CIK). */ static void gmc_v7_0_vm_fini(struct amdgpu_device *adev) { } /** * gmc_v7_0_vm_decode_fault - print human readable fault info * * @adev: amdgpu_device pointer * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value * * Print human readable fault information (CIK). */ static void gmc_v7_0_vm_decode_fault(struct amdgpu_device *adev, u32 status, u32 addr, u32 mc_client) { u32 mc_id; u32 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, VMID); u32 protections = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, PROTECTIONS); char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff, (mc_client >> 8) & 0xff, mc_client & 0xff, 0 }; mc_id = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, MEMORY_CLIENT_ID); printk("VM fault (0x%02x, vmid %d) at page %u, %s from '%s' (0x%08x) (%d)\n", protections, vmid, addr, REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, MEMORY_CLIENT_RW) ? "write" : "read", block, mc_client, mc_id); } static const u32 mc_cg_registers[] = { mmMC_HUB_MISC_HUB_CG, mmMC_HUB_MISC_SIP_CG, mmMC_HUB_MISC_VM_CG, mmMC_XPB_CLK_GAT, mmATC_MISC_CG, mmMC_CITF_MISC_WR_CG, mmMC_CITF_MISC_RD_CG, mmMC_CITF_MISC_VM_CG, mmVM_L2_CG, }; static const u32 mc_cg_ls_en[] = { MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK, MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK, MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK, MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK, ATC_MISC_CG__MEM_LS_ENABLE_MASK, MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK, MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK, MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK, VM_L2_CG__MEM_LS_ENABLE_MASK, }; static const u32 mc_cg_en[] = { MC_HUB_MISC_HUB_CG__ENABLE_MASK, MC_HUB_MISC_SIP_CG__ENABLE_MASK, MC_HUB_MISC_VM_CG__ENABLE_MASK, MC_XPB_CLK_GAT__ENABLE_MASK, ATC_MISC_CG__ENABLE_MASK, MC_CITF_MISC_WR_CG__ENABLE_MASK, MC_CITF_MISC_RD_CG__ENABLE_MASK, MC_CITF_MISC_VM_CG__ENABLE_MASK, VM_L2_CG__ENABLE_MASK, }; static void gmc_v7_0_enable_mc_ls(struct amdgpu_device *adev, bool enable) { int i; u32 orig, data; for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) { orig = data = RREG32(mc_cg_registers[i]); if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_MC_LS)) data |= mc_cg_ls_en[i]; else data &= ~mc_cg_ls_en[i]; if (data != orig) WREG32(mc_cg_registers[i], data); } } static void gmc_v7_0_enable_mc_mgcg(struct amdgpu_device *adev, bool enable) { int i; u32 orig, data; for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) { orig = data = RREG32(mc_cg_registers[i]); if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_MC_MGCG)) data |= mc_cg_en[i]; else data &= ~mc_cg_en[i]; if (data != orig) WREG32(mc_cg_registers[i], data); } } static void gmc_v7_0_enable_bif_mgls(struct amdgpu_device *adev, bool enable) { u32 orig, data; orig = data = RREG32_PCIE(ixPCIE_CNTL2); if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_BIF_LS)) { data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 1); data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 1); data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 1); data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 1); } else { data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 0); data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 0); data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 0); data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 0); } if (orig != data) WREG32_PCIE(ixPCIE_CNTL2, data); } static void gmc_v7_0_enable_hdp_mgcg(struct amdgpu_device *adev, bool enable) { u32 orig, data; orig = data = RREG32(mmHDP_HOST_PATH_CNTL); if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_HDP_MGCG)) data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 0); else data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 1); if (orig != data) WREG32(mmHDP_HOST_PATH_CNTL, data); } static void gmc_v7_0_enable_hdp_ls(struct amdgpu_device *adev, bool enable) { u32 orig, data; orig = data = RREG32(mmHDP_MEM_POWER_LS); if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_HDP_LS)) data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 1); else data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 0); if (orig != data) WREG32(mmHDP_MEM_POWER_LS, data); } static int gmc_v7_0_convert_vram_type(int mc_seq_vram_type) { switch (mc_seq_vram_type) { case MC_SEQ_MISC0__MT__GDDR1: return AMDGPU_VRAM_TYPE_GDDR1; case MC_SEQ_MISC0__MT__DDR2: return AMDGPU_VRAM_TYPE_DDR2; case MC_SEQ_MISC0__MT__GDDR3: return AMDGPU_VRAM_TYPE_GDDR3; case MC_SEQ_MISC0__MT__GDDR4: return AMDGPU_VRAM_TYPE_GDDR4; case MC_SEQ_MISC0__MT__GDDR5: return AMDGPU_VRAM_TYPE_GDDR5; case MC_SEQ_MISC0__MT__HBM: return AMDGPU_VRAM_TYPE_HBM; case MC_SEQ_MISC0__MT__DDR3: return AMDGPU_VRAM_TYPE_DDR3; default: return AMDGPU_VRAM_TYPE_UNKNOWN; } } static int gmc_v7_0_early_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; gmc_v7_0_set_gart_funcs(adev); gmc_v7_0_set_irq_funcs(adev); if (adev->flags & AMD_IS_APU) { adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN; } else { u32 tmp = RREG32(mmMC_SEQ_MISC0); tmp &= MC_SEQ_MISC0__MT__MASK; adev->mc.vram_type = gmc_v7_0_convert_vram_type(tmp); } return 0; } static int gmc_v7_0_late_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0); } static int gmc_v7_0_sw_init(void *handle) { int r; int dma_bits; struct amdgpu_device *adev = (struct amdgpu_device *)handle; r = amdgpu_gem_init(adev); if (r) return r; r = amdgpu_irq_add_id(adev, 146, &adev->mc.vm_fault); if (r) return r; r = amdgpu_irq_add_id(adev, 147, &adev->mc.vm_fault); if (r) return r; /* Adjust VM size here. * Currently set to 4GB ((1 << 20) 4k pages). * Max GPUVM size for cayman and SI is 40 bits. */ adev->vm_manager.max_pfn = amdgpu_vm_size << 18; /* Set the internal MC address mask * This is the max address of the GPU's * internal address space. */ adev->mc.mc_mask = 0xffffffffffULL; /* 40 bit MC */ /* set DMA mask + need_dma32 flags. * PCIE - can handle 40-bits. * IGP - can handle 40-bits * PCI - dma32 for legacy pci gart, 40 bits on newer asics */ adev->need_dma32 = false; dma_bits = adev->need_dma32 ? 32 : 40; r = pci_set_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits)); if (r) { adev->need_dma32 = true; dma_bits = 32; printk(KERN_WARNING "amdgpu: No suitable DMA available.\n"); } r = pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits)); if (r) { pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(32)); printk(KERN_WARNING "amdgpu: No coherent DMA available.\n"); } r = gmc_v7_0_init_microcode(adev); if (r) { DRM_ERROR("Failed to load mc firmware!\n"); return r; } r = gmc_v7_0_mc_init(adev); if (r) return r; /* Memory manager */ r = amdgpu_bo_init(adev); if (r) return r; r = gmc_v7_0_gart_init(adev); if (r) return r; if (!adev->vm_manager.enabled) { r = gmc_v7_0_vm_init(adev); if (r) { dev_err(adev->dev, "vm manager initialization failed (%d).\n", r); return r; } adev->vm_manager.enabled = true; } return r; } static int gmc_v7_0_sw_fini(void *handle) { int i; struct amdgpu_device *adev = (struct amdgpu_device *)handle; if (adev->vm_manager.enabled) { for (i = 0; i < AMDGPU_NUM_VM; ++i) amdgpu_fence_unref(&adev->vm_manager.active[i]); gmc_v7_0_vm_fini(adev); adev->vm_manager.enabled = false; } gmc_v7_0_gart_fini(adev); amdgpu_gem_fini(adev); amdgpu_bo_fini(adev); return 0; } static int gmc_v7_0_hw_init(void *handle) { int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; gmc_v7_0_mc_program(adev); if (!(adev->flags & AMD_IS_APU)) { r = gmc_v7_0_mc_load_microcode(adev); if (r) { DRM_ERROR("Failed to load MC firmware!\n"); return r; } } r = gmc_v7_0_gart_enable(adev); if (r) return r; return r; } static int gmc_v7_0_hw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; amdgpu_irq_put(adev, &adev->mc.vm_fault, 0); gmc_v7_0_gart_disable(adev); return 0; } static int gmc_v7_0_suspend(void *handle) { int i; struct amdgpu_device *adev = (struct amdgpu_device *)handle; if (adev->vm_manager.enabled) { for (i = 0; i < AMDGPU_NUM_VM; ++i) amdgpu_fence_unref(&adev->vm_manager.active[i]); gmc_v7_0_vm_fini(adev); adev->vm_manager.enabled = false; } gmc_v7_0_hw_fini(adev); return 0; } static int gmc_v7_0_resume(void *handle) { int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; r = gmc_v7_0_hw_init(adev); if (r) return r; if (!adev->vm_manager.enabled) { r = gmc_v7_0_vm_init(adev); if (r) { dev_err(adev->dev, "vm manager initialization failed (%d).\n", r); return r; } adev->vm_manager.enabled = true; } return r; } static bool gmc_v7_0_is_idle(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; u32 tmp = RREG32(mmSRBM_STATUS); if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK | SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK | SRBM_STATUS__VMC_BUSY_MASK)) return false; return true; } static int gmc_v7_0_wait_for_idle(void *handle) { unsigned i; u32 tmp; struct amdgpu_device *adev = (struct amdgpu_device *)handle; for (i = 0; i < adev->usec_timeout; i++) { /* read MC_STATUS */ tmp = RREG32(mmSRBM_STATUS) & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK | SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK | SRBM_STATUS__VMC_BUSY_MASK); if (!tmp) return 0; udelay(1); } return -ETIMEDOUT; } static void gmc_v7_0_print_status(void *handle) { int i, j; struct amdgpu_device *adev = (struct amdgpu_device *)handle; dev_info(adev->dev, "GMC 8.x registers\n"); dev_info(adev->dev, " SRBM_STATUS=0x%08X\n", RREG32(mmSRBM_STATUS)); dev_info(adev->dev, " SRBM_STATUS2=0x%08X\n", RREG32(mmSRBM_STATUS2)); dev_info(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR)); dev_info(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS)); dev_info(adev->dev, " MC_VM_MX_L1_TLB_CNTL=0x%08X\n", RREG32(mmMC_VM_MX_L1_TLB_CNTL)); dev_info(adev->dev, " VM_L2_CNTL=0x%08X\n", RREG32(mmVM_L2_CNTL)); dev_info(adev->dev, " VM_L2_CNTL2=0x%08X\n", RREG32(mmVM_L2_CNTL2)); dev_info(adev->dev, " VM_L2_CNTL3=0x%08X\n", RREG32(mmVM_L2_CNTL3)); dev_info(adev->dev, " VM_CONTEXT0_PAGE_TABLE_START_ADDR=0x%08X\n", RREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR)); dev_info(adev->dev, " VM_CONTEXT0_PAGE_TABLE_END_ADDR=0x%08X\n", RREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR)); dev_info(adev->dev, " VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR=0x%08X\n", RREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR)); dev_info(adev->dev, " VM_CONTEXT0_CNTL2=0x%08X\n", RREG32(mmVM_CONTEXT0_CNTL2)); dev_info(adev->dev, " VM_CONTEXT0_CNTL=0x%08X\n", RREG32(mmVM_CONTEXT0_CNTL)); dev_info(adev->dev, " 0x15D4=0x%08X\n", RREG32(0x575)); dev_info(adev->dev, " 0x15D8=0x%08X\n", RREG32(0x576)); dev_info(adev->dev, " 0x15DC=0x%08X\n", RREG32(0x577)); dev_info(adev->dev, " VM_CONTEXT1_PAGE_TABLE_START_ADDR=0x%08X\n", RREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR)); dev_info(adev->dev, " VM_CONTEXT1_PAGE_TABLE_END_ADDR=0x%08X\n", RREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR)); dev_info(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR=0x%08X\n", RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR)); dev_info(adev->dev, " VM_CONTEXT1_CNTL2=0x%08X\n", RREG32(mmVM_CONTEXT1_CNTL2)); dev_info(adev->dev, " VM_CONTEXT1_CNTL=0x%08X\n", RREG32(mmVM_CONTEXT1_CNTL)); for (i = 0; i < 16; i++) { if (i < 8) dev_info(adev->dev, " VM_CONTEXT%d_PAGE_TABLE_BASE_ADDR=0x%08X\n", i, RREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i)); else dev_info(adev->dev, " VM_CONTEXT%d_PAGE_TABLE_BASE_ADDR=0x%08X\n", i, RREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + i - 8)); } dev_info(adev->dev, " MC_VM_SYSTEM_APERTURE_LOW_ADDR=0x%08X\n", RREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR)); dev_info(adev->dev, " MC_VM_SYSTEM_APERTURE_HIGH_ADDR=0x%08X\n", RREG32(mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR)); dev_info(adev->dev, " MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR=0x%08X\n", RREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR)); dev_info(adev->dev, " MC_VM_FB_LOCATION=0x%08X\n", RREG32(mmMC_VM_FB_LOCATION)); dev_info(adev->dev, " MC_VM_AGP_BASE=0x%08X\n", RREG32(mmMC_VM_AGP_BASE)); dev_info(adev->dev, " MC_VM_AGP_TOP=0x%08X\n", RREG32(mmMC_VM_AGP_TOP)); dev_info(adev->dev, " MC_VM_AGP_BOT=0x%08X\n", RREG32(mmMC_VM_AGP_BOT)); if (adev->asic_type == CHIP_KAVERI) { dev_info(adev->dev, " CHUB_CONTROL=0x%08X\n", RREG32(mmCHUB_CONTROL)); } dev_info(adev->dev, " HDP_REG_COHERENCY_FLUSH_CNTL=0x%08X\n", RREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL)); dev_info(adev->dev, " HDP_NONSURFACE_BASE=0x%08X\n", RREG32(mmHDP_NONSURFACE_BASE)); dev_info(adev->dev, " HDP_NONSURFACE_INFO=0x%08X\n", RREG32(mmHDP_NONSURFACE_INFO)); dev_info(adev->dev, " HDP_NONSURFACE_SIZE=0x%08X\n", RREG32(mmHDP_NONSURFACE_SIZE)); dev_info(adev->dev, " HDP_MISC_CNTL=0x%08X\n", RREG32(mmHDP_MISC_CNTL)); dev_info(adev->dev, " HDP_HOST_PATH_CNTL=0x%08X\n", RREG32(mmHDP_HOST_PATH_CNTL)); for (i = 0, j = 0; i < 32; i++, j += 0x6) { dev_info(adev->dev, " %d:\n", i); dev_info(adev->dev, " 0x%04X=0x%08X\n", 0xb05 + j, RREG32(0xb05 + j)); dev_info(adev->dev, " 0x%04X=0x%08X\n", 0xb06 + j, RREG32(0xb06 + j)); dev_info(adev->dev, " 0x%04X=0x%08X\n", 0xb07 + j, RREG32(0xb07 + j)); dev_info(adev->dev, " 0x%04X=0x%08X\n", 0xb08 + j, RREG32(0xb08 + j)); dev_info(adev->dev, " 0x%04X=0x%08X\n", 0xb09 + j, RREG32(0xb09 + j)); } dev_info(adev->dev, " BIF_FB_EN=0x%08X\n", RREG32(mmBIF_FB_EN)); } static int gmc_v7_0_soft_reset(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; struct amdgpu_mode_mc_save save; u32 srbm_soft_reset = 0; u32 tmp = RREG32(mmSRBM_STATUS); if (tmp & SRBM_STATUS__VMC_BUSY_MASK) srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VMC, 1); if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK | SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK)) { if (!(adev->flags & AMD_IS_APU)) srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_MC, 1); } if (srbm_soft_reset) { gmc_v7_0_print_status((void *)adev); gmc_v7_0_mc_stop(adev, &save); if (gmc_v7_0_wait_for_idle(adev)) { dev_warn(adev->dev, "Wait for GMC idle timed out !\n"); } tmp = RREG32(mmSRBM_SOFT_RESET); tmp |= srbm_soft_reset; dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); WREG32(mmSRBM_SOFT_RESET, tmp); tmp = RREG32(mmSRBM_SOFT_RESET); udelay(50); tmp &= ~srbm_soft_reset; WREG32(mmSRBM_SOFT_RESET, tmp); tmp = RREG32(mmSRBM_SOFT_RESET); /* Wait a little for things to settle down */ udelay(50); gmc_v7_0_mc_resume(adev, &save); udelay(50); gmc_v7_0_print_status((void *)adev); } return 0; } static int gmc_v7_0_vm_fault_interrupt_state(struct amdgpu_device *adev, struct amdgpu_irq_src *src, unsigned type, enum amdgpu_interrupt_state state) { u32 tmp; u32 bits = (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK); switch (state) { case AMDGPU_IRQ_STATE_DISABLE: /* system context */ tmp = RREG32(mmVM_CONTEXT0_CNTL); tmp &= ~bits; WREG32(mmVM_CONTEXT0_CNTL, tmp); /* VMs */ tmp = RREG32(mmVM_CONTEXT1_CNTL); tmp &= ~bits; WREG32(mmVM_CONTEXT1_CNTL, tmp); break; case AMDGPU_IRQ_STATE_ENABLE: /* system context */ tmp = RREG32(mmVM_CONTEXT0_CNTL); tmp |= bits; WREG32(mmVM_CONTEXT0_CNTL, tmp); /* VMs */ tmp = RREG32(mmVM_CONTEXT1_CNTL); tmp |= bits; WREG32(mmVM_CONTEXT1_CNTL, tmp); break; default: break; } return 0; } static int gmc_v7_0_process_interrupt(struct amdgpu_device *adev, struct amdgpu_irq_src *source, struct amdgpu_iv_entry *entry) { u32 addr, status, mc_client; addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR); status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS); mc_client = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_MCCLIENT); dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n", entry->src_id, entry->src_data); dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", addr); dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", status); gmc_v7_0_vm_decode_fault(adev, status, addr, mc_client); /* reset addr and status */ WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1); return 0; } static int gmc_v7_0_set_clockgating_state(void *handle, enum amd_clockgating_state state) { bool gate = false; struct amdgpu_device *adev = (struct amdgpu_device *)handle; if (state == AMD_CG_STATE_GATE) gate = true; if (!(adev->flags & AMD_IS_APU)) { gmc_v7_0_enable_mc_mgcg(adev, gate); gmc_v7_0_enable_mc_ls(adev, gate); } gmc_v7_0_enable_bif_mgls(adev, gate); gmc_v7_0_enable_hdp_mgcg(adev, gate); gmc_v7_0_enable_hdp_ls(adev, gate); return 0; } static int gmc_v7_0_set_powergating_state(void *handle, enum amd_powergating_state state) { return 0; } const struct amd_ip_funcs gmc_v7_0_ip_funcs = { .early_init = gmc_v7_0_early_init, .late_init = gmc_v7_0_late_init, .sw_init = gmc_v7_0_sw_init, .sw_fini = gmc_v7_0_sw_fini, .hw_init = gmc_v7_0_hw_init, .hw_fini = gmc_v7_0_hw_fini, .suspend = gmc_v7_0_suspend, .resume = gmc_v7_0_resume, .is_idle = gmc_v7_0_is_idle, .wait_for_idle = gmc_v7_0_wait_for_idle, .soft_reset = gmc_v7_0_soft_reset, .print_status = gmc_v7_0_print_status, .set_clockgating_state = gmc_v7_0_set_clockgating_state, .set_powergating_state = gmc_v7_0_set_powergating_state, }; static const struct amdgpu_gart_funcs gmc_v7_0_gart_funcs = { .flush_gpu_tlb = gmc_v7_0_gart_flush_gpu_tlb, .set_pte_pde = gmc_v7_0_gart_set_pte_pde, }; static const struct amdgpu_irq_src_funcs gmc_v7_0_irq_funcs = { .set = gmc_v7_0_vm_fault_interrupt_state, .process = gmc_v7_0_process_interrupt, }; static void gmc_v7_0_set_gart_funcs(struct amdgpu_device *adev) { if (adev->gart.gart_funcs == NULL) adev->gart.gart_funcs = &gmc_v7_0_gart_funcs; } static void gmc_v7_0_set_irq_funcs(struct amdgpu_device *adev) { adev->mc.vm_fault.num_types = 1; adev->mc.vm_fault.funcs = &gmc_v7_0_irq_funcs; }