/* * Copyright 2008 Advanced Micro Devices, Inc. * Copyright 2008 Red Hat Inc. * Copyright 2009 Jerome Glisse. * * 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. * * Authors: Dave Airlie * Alex Deucher * Jerome Glisse */ #include #include "amdgpu.h" #include #include "amdgpu_sched.h" #include "amdgpu_uvd.h" #include "amdgpu_vce.h" #include "atom.h" #include #include #include #include "amdgpu_amdkfd.h" /** * amdgpu_driver_unload_kms - Main unload function for KMS. * * @dev: drm dev pointer * * This is the main unload function for KMS (all asics). * Returns 0 on success. */ void amdgpu_driver_unload_kms(struct drm_device *dev) { struct amdgpu_device *adev = dev->dev_private; if (adev == NULL) return; if (adev->rmmio == NULL) goto done_free; if (amdgpu_sriov_vf(adev)) amdgpu_virt_request_full_gpu(adev, false); if (amdgpu_device_is_px(dev)) { #if 0 pm_runtime_get_sync(dev->dev); pm_runtime_forbid(dev->dev); #endif } amdgpu_acpi_fini(adev); amdgpu_device_fini(adev); done_free: kfree(adev); dev->dev_private = NULL; } /** * amdgpu_driver_load_kms - Main load function for KMS. * * @dev: drm dev pointer * @flags: device flags * * This is the main load function for KMS (all asics). * Returns 0 on success, error on failure. */ int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags) { struct amdgpu_device *adev; int r, acpi_status; adev = kzalloc(sizeof(struct amdgpu_device), GFP_KERNEL); if (adev == NULL) { return -ENOMEM; } dev->dev_private = (void *)adev; kprintf("amdgpu_driver_load_kms(): flags=%ld drm_device=%p adev=%p\n", flags, dev, adev); if ((amdgpu_runtime_pm != 0) && amdgpu_has_atpx() && (amdgpu_is_atpx_hybrid() || amdgpu_has_atpx_dgpu_power_cntl()) && ((flags & AMD_IS_APU) == 0) #if 0 && !pci_is_thunderbolt_attached(dev->pdev) #endif ) flags |= AMD_IS_PX; /* amdgpu_device_init should report only fatal error * like memory allocation failure or iomapping failure, * or memory manager initialization failure, it must * properly initialize the GPU MC controller and permit * VRAM allocation */ r = amdgpu_device_init(adev, dev, dev->pdev, flags); if (r) { dev_err(&dev->pdev->dev, "Fatal error during GPU init\n"); goto out; } /* Call ACPI methods: require modeset init * but failure is not fatal */ if (!r) { acpi_status = amdgpu_acpi_init(adev); if (acpi_status) dev_dbg(&dev->pdev->dev, "Error during ACPI methods call\n"); } if (amdgpu_device_is_px(dev)) { dev_pm_set_driver_flags(dev->dev, DPM_FLAG_NEVER_SKIP); #if 0 pm_runtime_use_autosuspend(dev->dev); pm_runtime_set_autosuspend_delay(dev->dev, 5000); #endif pm_runtime_set_active(dev->dev); #if 0 pm_runtime_allow(dev->dev); #endif pm_runtime_mark_last_busy(dev->dev); #if 0 pm_runtime_put_autosuspend(dev->dev); #endif } out: if (r) { /* balance pm_runtime_get_sync in amdgpu_driver_unload_kms */ #if 0 if (adev->rmmio && amdgpu_device_is_px(dev)) pm_runtime_put_noidle(dev->dev); #endif amdgpu_driver_unload_kms(dev); } return r; } static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info, struct drm_amdgpu_query_fw *query_fw, struct amdgpu_device *adev) { switch (query_fw->fw_type) { case AMDGPU_INFO_FW_VCE: fw_info->ver = adev->vce.fw_version; fw_info->feature = adev->vce.fb_version; break; case AMDGPU_INFO_FW_UVD: fw_info->ver = adev->uvd.fw_version; fw_info->feature = 0; break; case AMDGPU_INFO_FW_VCN: fw_info->ver = adev->vcn.fw_version; fw_info->feature = 0; break; case AMDGPU_INFO_FW_GMC: fw_info->ver = adev->gmc.fw_version; fw_info->feature = 0; break; case AMDGPU_INFO_FW_GFX_ME: fw_info->ver = adev->gfx.me_fw_version; fw_info->feature = adev->gfx.me_feature_version; break; case AMDGPU_INFO_FW_GFX_PFP: fw_info->ver = adev->gfx.pfp_fw_version; fw_info->feature = adev->gfx.pfp_feature_version; break; case AMDGPU_INFO_FW_GFX_CE: fw_info->ver = adev->gfx.ce_fw_version; fw_info->feature = adev->gfx.ce_feature_version; break; case AMDGPU_INFO_FW_GFX_RLC: fw_info->ver = adev->gfx.rlc_fw_version; fw_info->feature = adev->gfx.rlc_feature_version; break; case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL: fw_info->ver = adev->gfx.rlc_srlc_fw_version; fw_info->feature = adev->gfx.rlc_srlc_feature_version; break; case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM: fw_info->ver = adev->gfx.rlc_srlg_fw_version; fw_info->feature = adev->gfx.rlc_srlg_feature_version; break; case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM: fw_info->ver = adev->gfx.rlc_srls_fw_version; fw_info->feature = adev->gfx.rlc_srls_feature_version; break; case AMDGPU_INFO_FW_GFX_MEC: if (query_fw->index == 0) { fw_info->ver = adev->gfx.mec_fw_version; fw_info->feature = adev->gfx.mec_feature_version; } else if (query_fw->index == 1) { fw_info->ver = adev->gfx.mec2_fw_version; fw_info->feature = adev->gfx.mec2_feature_version; } else return -EINVAL; break; case AMDGPU_INFO_FW_SMC: fw_info->ver = adev->pm.fw_version; fw_info->feature = 0; break; case AMDGPU_INFO_FW_SDMA: if (query_fw->index >= adev->sdma.num_instances) return -EINVAL; fw_info->ver = adev->sdma.instance[query_fw->index].fw_version; fw_info->feature = adev->sdma.instance[query_fw->index].feature_version; break; case AMDGPU_INFO_FW_SOS: fw_info->ver = adev->psp.sos_fw_version; fw_info->feature = adev->psp.sos_feature_version; break; case AMDGPU_INFO_FW_ASD: fw_info->ver = adev->psp.asd_fw_version; fw_info->feature = adev->psp.asd_feature_version; break; default: return -EINVAL; } return 0; } /* * Userspace get information ioctl */ /** * amdgpu_info_ioctl - answer a device specific request. * * @adev: amdgpu device pointer * @data: request object * @filp: drm filp * * This function is used to pass device specific parameters to the userspace * drivers. Examples include: pci device id, pipeline parms, tiling params, * etc. (all asics). * Returns 0 on success, -EINVAL on failure. */ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) { struct amdgpu_device *adev = dev->dev_private; struct drm_amdgpu_info *info = data; struct amdgpu_mode_info *minfo = &adev->mode_info; void __user *out = (void __user *)(uintptr_t)info->return_pointer; uint32_t size = info->return_size; struct drm_crtc *crtc; uint32_t ui32 = 0; uint64_t ui64 = 0; int i, j, found; int ui32_size = sizeof(ui32); if (!info->return_size || !info->return_pointer) return -EINVAL; switch (info->query) { case AMDGPU_INFO_ACCEL_WORKING: ui32 = adev->accel_working; return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0; case AMDGPU_INFO_CRTC_FROM_ID: for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) { crtc = (struct drm_crtc *)minfo->crtcs[i]; if (crtc && crtc->base.id == info->mode_crtc.id) { struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); ui32 = amdgpu_crtc->crtc_id; found = 1; break; } } if (!found) { DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id); return -EINVAL; } return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0; case AMDGPU_INFO_HW_IP_INFO: { struct drm_amdgpu_info_hw_ip ip = {}; enum amd_ip_block_type type; uint32_t ring_mask = 0; uint32_t ib_start_alignment = 0; uint32_t ib_size_alignment = 0; if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT) return -EINVAL; switch (info->query_hw_ip.type) { case AMDGPU_HW_IP_GFX: type = AMD_IP_BLOCK_TYPE_GFX; for (i = 0; i < adev->gfx.num_gfx_rings; i++) ring_mask |= adev->gfx.gfx_ring[i].ready << i; ib_start_alignment = 32; ib_size_alignment = 32; break; case AMDGPU_HW_IP_COMPUTE: type = AMD_IP_BLOCK_TYPE_GFX; for (i = 0; i < adev->gfx.num_compute_rings; i++) ring_mask |= adev->gfx.compute_ring[i].ready << i; ib_start_alignment = 32; ib_size_alignment = 32; break; case AMDGPU_HW_IP_DMA: type = AMD_IP_BLOCK_TYPE_SDMA; for (i = 0; i < adev->sdma.num_instances; i++) ring_mask |= adev->sdma.instance[i].ring.ready << i; ib_start_alignment = 256; ib_size_alignment = 4; break; case AMDGPU_HW_IP_UVD: type = AMD_IP_BLOCK_TYPE_UVD; for (i = 0; i < adev->uvd.num_uvd_inst; i++) { if (adev->uvd.harvest_config & (1 << i)) continue; ring_mask |= adev->uvd.inst[i].ring.ready; } ib_start_alignment = 64; ib_size_alignment = 64; break; case AMDGPU_HW_IP_VCE: type = AMD_IP_BLOCK_TYPE_VCE; for (i = 0; i < adev->vce.num_rings; i++) ring_mask |= adev->vce.ring[i].ready << i; ib_start_alignment = 4; ib_size_alignment = 1; break; case AMDGPU_HW_IP_UVD_ENC: type = AMD_IP_BLOCK_TYPE_UVD; for (i = 0; i < adev->uvd.num_uvd_inst; i++) { if (adev->uvd.harvest_config & (1 << i)) continue; for (j = 0; j < adev->uvd.num_enc_rings; j++) ring_mask |= adev->uvd.inst[i].ring_enc[j].ready << j; } ib_start_alignment = 64; ib_size_alignment = 64; break; case AMDGPU_HW_IP_VCN_DEC: type = AMD_IP_BLOCK_TYPE_VCN; ring_mask = adev->vcn.ring_dec.ready; ib_start_alignment = 16; ib_size_alignment = 16; break; case AMDGPU_HW_IP_VCN_ENC: type = AMD_IP_BLOCK_TYPE_VCN; for (i = 0; i < adev->vcn.num_enc_rings; i++) ring_mask |= adev->vcn.ring_enc[i].ready << i; ib_start_alignment = 64; ib_size_alignment = 1; break; case AMDGPU_HW_IP_VCN_JPEG: type = AMD_IP_BLOCK_TYPE_VCN; ring_mask = adev->vcn.ring_jpeg.ready; ib_start_alignment = 16; ib_size_alignment = 16; break; default: return -EINVAL; } for (i = 0; i < adev->num_ip_blocks; i++) { if (adev->ip_blocks[i].version->type == type && adev->ip_blocks[i].status.valid) { ip.hw_ip_version_major = adev->ip_blocks[i].version->major; ip.hw_ip_version_minor = adev->ip_blocks[i].version->minor; ip.capabilities_flags = 0; ip.available_rings = ring_mask; ip.ib_start_alignment = ib_start_alignment; ip.ib_size_alignment = ib_size_alignment; break; } } return copy_to_user(out, &ip, min((size_t)size, sizeof(ip))) ? -EFAULT : 0; } case AMDGPU_INFO_HW_IP_COUNT: { enum amd_ip_block_type type; uint32_t count = 0; switch (info->query_hw_ip.type) { case AMDGPU_HW_IP_GFX: type = AMD_IP_BLOCK_TYPE_GFX; break; case AMDGPU_HW_IP_COMPUTE: type = AMD_IP_BLOCK_TYPE_GFX; break; case AMDGPU_HW_IP_DMA: type = AMD_IP_BLOCK_TYPE_SDMA; break; case AMDGPU_HW_IP_UVD: type = AMD_IP_BLOCK_TYPE_UVD; break; case AMDGPU_HW_IP_VCE: type = AMD_IP_BLOCK_TYPE_VCE; break; case AMDGPU_HW_IP_UVD_ENC: type = AMD_IP_BLOCK_TYPE_UVD; break; case AMDGPU_HW_IP_VCN_DEC: case AMDGPU_HW_IP_VCN_ENC: case AMDGPU_HW_IP_VCN_JPEG: type = AMD_IP_BLOCK_TYPE_VCN; break; default: return -EINVAL; } for (i = 0; i < adev->num_ip_blocks; i++) if (adev->ip_blocks[i].version->type == type && adev->ip_blocks[i].status.valid && count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT) count++; return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0; } case AMDGPU_INFO_TIMESTAMP: ui64 = amdgpu_gfx_get_gpu_clock_counter(adev); return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0; case AMDGPU_INFO_FW_VERSION: { struct drm_amdgpu_info_firmware fw_info; int ret; /* We only support one instance of each IP block right now. */ if (info->query_fw.ip_instance != 0) return -EINVAL; ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev); if (ret) return ret; return copy_to_user(out, &fw_info, min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0; } case AMDGPU_INFO_NUM_BYTES_MOVED: ui64 = atomic64_read(&adev->num_bytes_moved); return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0; case AMDGPU_INFO_NUM_EVICTIONS: ui64 = atomic64_read(&adev->num_evictions); return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0; case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS: ui64 = atomic64_read(&adev->num_vram_cpu_page_faults); return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0; case AMDGPU_INFO_VRAM_USAGE: ui64 = amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]); return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0; case AMDGPU_INFO_VIS_VRAM_USAGE: ui64 = amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]); return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0; case AMDGPU_INFO_GTT_USAGE: ui64 = amdgpu_gtt_mgr_usage(&adev->mman.bdev.man[TTM_PL_TT]); return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0; case AMDGPU_INFO_GDS_CONFIG: { struct drm_amdgpu_info_gds gds_info; memset(&gds_info, 0, sizeof(gds_info)); gds_info.gds_gfx_partition_size = adev->gds.mem.gfx_partition_size >> AMDGPU_GDS_SHIFT; gds_info.compute_partition_size = adev->gds.mem.cs_partition_size >> AMDGPU_GDS_SHIFT; gds_info.gds_total_size = adev->gds.mem.total_size >> AMDGPU_GDS_SHIFT; gds_info.gws_per_gfx_partition = adev->gds.gws.gfx_partition_size >> AMDGPU_GWS_SHIFT; gds_info.gws_per_compute_partition = adev->gds.gws.cs_partition_size >> AMDGPU_GWS_SHIFT; gds_info.oa_per_gfx_partition = adev->gds.oa.gfx_partition_size >> AMDGPU_OA_SHIFT; gds_info.oa_per_compute_partition = adev->gds.oa.cs_partition_size >> AMDGPU_OA_SHIFT; return copy_to_user(out, &gds_info, min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0; } case AMDGPU_INFO_VRAM_GTT: { struct drm_amdgpu_info_vram_gtt vram_gtt; vram_gtt.vram_size = adev->gmc.real_vram_size - atomic64_read(&adev->vram_pin_size); vram_gtt.vram_cpu_accessible_size = adev->gmc.visible_vram_size - atomic64_read(&adev->visible_pin_size); vram_gtt.gtt_size = adev->mman.bdev.man[TTM_PL_TT].size; vram_gtt.gtt_size *= PAGE_SIZE; vram_gtt.gtt_size -= atomic64_read(&adev->gart_pin_size); return copy_to_user(out, &vram_gtt, min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0; } case AMDGPU_INFO_MEMORY: { struct drm_amdgpu_memory_info mem; memset(&mem, 0, sizeof(mem)); mem.vram.total_heap_size = adev->gmc.real_vram_size; mem.vram.usable_heap_size = adev->gmc.real_vram_size - atomic64_read(&adev->vram_pin_size); mem.vram.heap_usage = amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]); mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4; mem.cpu_accessible_vram.total_heap_size = adev->gmc.visible_vram_size; mem.cpu_accessible_vram.usable_heap_size = adev->gmc.visible_vram_size - atomic64_read(&adev->visible_pin_size); mem.cpu_accessible_vram.heap_usage = amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]); mem.cpu_accessible_vram.max_allocation = mem.cpu_accessible_vram.usable_heap_size * 3 / 4; mem.gtt.total_heap_size = adev->mman.bdev.man[TTM_PL_TT].size; mem.gtt.total_heap_size *= PAGE_SIZE; mem.gtt.usable_heap_size = mem.gtt.total_heap_size - atomic64_read(&adev->gart_pin_size); mem.gtt.heap_usage = amdgpu_gtt_mgr_usage(&adev->mman.bdev.man[TTM_PL_TT]); mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4; return copy_to_user(out, &mem, min((size_t)size, sizeof(mem))) ? -EFAULT : 0; } case AMDGPU_INFO_READ_MMR_REG: { unsigned n, alloc_size; uint32_t *regs; unsigned se_num = (info->read_mmr_reg.instance >> AMDGPU_INFO_MMR_SE_INDEX_SHIFT) & AMDGPU_INFO_MMR_SE_INDEX_MASK; unsigned sh_num = (info->read_mmr_reg.instance >> AMDGPU_INFO_MMR_SH_INDEX_SHIFT) & AMDGPU_INFO_MMR_SH_INDEX_MASK; /* set full masks if the userspace set all bits * in the bitfields */ if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK) se_num = 0xffffffff; else if (se_num >= AMDGPU_GFX_MAX_SE) return -EINVAL; if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK) sh_num = 0xffffffff; else if (sh_num >= AMDGPU_GFX_MAX_SH_PER_SE) return -EINVAL; if (info->read_mmr_reg.count > 128) return -EINVAL; regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL); if (!regs) return -ENOMEM; alloc_size = info->read_mmr_reg.count * sizeof(*regs); for (i = 0; i < info->read_mmr_reg.count; i++) if (amdgpu_asic_read_register(adev, se_num, sh_num, info->read_mmr_reg.dword_offset + i, ®s[i])) { DRM_DEBUG_KMS("unallowed offset %#x\n", info->read_mmr_reg.dword_offset + i); kfree(regs); return -EFAULT; } n = copy_to_user(out, regs, min(size, alloc_size)); kfree(regs); return n ? -EFAULT : 0; } case AMDGPU_INFO_DEV_INFO: { struct drm_amdgpu_info_device dev_info; uint64_t vm_size; memset(&dev_info, 0, sizeof(dev_info)); dev_info.device_id = dev->pdev->device; dev_info.chip_rev = adev->rev_id; dev_info.external_rev = adev->external_rev_id; dev_info.pci_rev = dev->pdev->revision; dev_info.family = adev->family; dev_info.num_shader_engines = adev->gfx.config.max_shader_engines; dev_info.num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se; /* return all clocks in KHz */ dev_info.gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10; if (adev->pm.dpm_enabled) { dev_info.max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10; dev_info.max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10; } else { dev_info.max_engine_clock = adev->clock.default_sclk * 10; dev_info.max_memory_clock = adev->clock.default_mclk * 10; } dev_info.enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask; dev_info.num_rb_pipes = adev->gfx.config.max_backends_per_se * adev->gfx.config.max_shader_engines; dev_info.num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts; dev_info._pad = 0; dev_info.ids_flags = 0; if (adev->flags & AMD_IS_APU) dev_info.ids_flags |= AMDGPU_IDS_FLAGS_FUSION; if (amdgpu_sriov_vf(adev)) dev_info.ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION; vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE; vm_size -= AMDGPU_VA_RESERVED_SIZE; /* Older VCE FW versions are buggy and can handle only 40bits */ if (adev->vce.fw_version < AMDGPU_VCE_FW_53_45) vm_size = min(vm_size, 1ULL << 40); dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE; dev_info.virtual_address_max = min(vm_size, AMDGPU_VA_HOLE_START); if (vm_size > AMDGPU_VA_HOLE_START) { dev_info.high_va_offset = AMDGPU_VA_HOLE_END; dev_info.high_va_max = AMDGPU_VA_HOLE_END | vm_size; } dev_info.virtual_address_alignment = max((int)PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE); dev_info.pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE; dev_info.gart_page_size = AMDGPU_GPU_PAGE_SIZE; dev_info.cu_active_number = adev->gfx.cu_info.number; dev_info.cu_ao_mask = adev->gfx.cu_info.ao_cu_mask; dev_info.ce_ram_size = adev->gfx.ce_ram_size; memcpy(&dev_info.cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0], sizeof(adev->gfx.cu_info.ao_cu_bitmap)); memcpy(&dev_info.cu_bitmap[0], &adev->gfx.cu_info.bitmap[0], sizeof(adev->gfx.cu_info.bitmap)); dev_info.vram_type = adev->gmc.vram_type; dev_info.vram_bit_width = adev->gmc.vram_width; dev_info.vce_harvest_config = adev->vce.harvest_config; dev_info.gc_double_offchip_lds_buf = adev->gfx.config.double_offchip_lds_buf; if (amdgpu_ngg) { dev_info.prim_buf_gpu_addr = adev->gfx.ngg.buf[NGG_PRIM].gpu_addr; dev_info.prim_buf_size = adev->gfx.ngg.buf[NGG_PRIM].size; dev_info.pos_buf_gpu_addr = adev->gfx.ngg.buf[NGG_POS].gpu_addr; dev_info.pos_buf_size = adev->gfx.ngg.buf[NGG_POS].size; dev_info.cntl_sb_buf_gpu_addr = adev->gfx.ngg.buf[NGG_CNTL].gpu_addr; dev_info.cntl_sb_buf_size = adev->gfx.ngg.buf[NGG_CNTL].size; dev_info.param_buf_gpu_addr = adev->gfx.ngg.buf[NGG_PARAM].gpu_addr; dev_info.param_buf_size = adev->gfx.ngg.buf[NGG_PARAM].size; } dev_info.wave_front_size = adev->gfx.cu_info.wave_front_size; dev_info.num_shader_visible_vgprs = adev->gfx.config.max_gprs; dev_info.num_cu_per_sh = adev->gfx.config.max_cu_per_sh; dev_info.num_tcc_blocks = adev->gfx.config.max_texture_channel_caches; dev_info.gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth; dev_info.gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth; dev_info.max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads; return copy_to_user(out, &dev_info, min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0; } case AMDGPU_INFO_VCE_CLOCK_TABLE: { unsigned i; struct drm_amdgpu_info_vce_clock_table vce_clk_table = {}; struct amd_vce_state *vce_state; for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) { vce_state = amdgpu_dpm_get_vce_clock_state(adev, i); if (vce_state) { vce_clk_table.entries[i].sclk = vce_state->sclk; vce_clk_table.entries[i].mclk = vce_state->mclk; vce_clk_table.entries[i].eclk = vce_state->evclk; vce_clk_table.num_valid_entries++; } } return copy_to_user(out, &vce_clk_table, min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0; } case AMDGPU_INFO_VBIOS: { uint32_t bios_size = adev->bios_size; switch (info->vbios_info.type) { case AMDGPU_INFO_VBIOS_SIZE: return copy_to_user(out, &bios_size, min((size_t)size, sizeof(bios_size))) ? -EFAULT : 0; case AMDGPU_INFO_VBIOS_IMAGE: { uint8_t *bios; uint32_t bios_offset = info->vbios_info.offset; if (bios_offset >= bios_size) return -EINVAL; bios = adev->bios + bios_offset; return copy_to_user(out, bios, min((size_t)size, (size_t)(bios_size - bios_offset))) ? -EFAULT : 0; } default: DRM_DEBUG_KMS("Invalid request %d\n", info->vbios_info.type); return -EINVAL; } } case AMDGPU_INFO_NUM_HANDLES: { struct drm_amdgpu_info_num_handles handle; switch (info->query_hw_ip.type) { case AMDGPU_HW_IP_UVD: /* Starting Polaris, we support unlimited UVD handles */ if (adev->asic_type < CHIP_POLARIS10) { handle.uvd_max_handles = adev->uvd.max_handles; handle.uvd_used_handles = amdgpu_uvd_used_handles(adev); return copy_to_user(out, &handle, min((size_t)size, sizeof(handle))) ? -EFAULT : 0; } else { return -ENODATA; } break; default: return -EINVAL; } } case AMDGPU_INFO_SENSOR: { if (!adev->pm.dpm_enabled) return -ENOENT; switch (info->sensor_info.type) { case AMDGPU_INFO_SENSOR_GFX_SCLK: /* get sclk in Mhz */ if (amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_SCLK, (void *)&ui32, &ui32_size)) { return -EINVAL; } ui32 /= 100; break; case AMDGPU_INFO_SENSOR_GFX_MCLK: /* get mclk in Mhz */ if (amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_MCLK, (void *)&ui32, &ui32_size)) { return -EINVAL; } ui32 /= 100; break; case AMDGPU_INFO_SENSOR_GPU_TEMP: /* get temperature in millidegrees C */ if (amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_TEMP, (void *)&ui32, &ui32_size)) { return -EINVAL; } break; case AMDGPU_INFO_SENSOR_GPU_LOAD: /* get GPU load */ if (amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_LOAD, (void *)&ui32, &ui32_size)) { return -EINVAL; } break; case AMDGPU_INFO_SENSOR_GPU_AVG_POWER: /* get average GPU power */ if (amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_POWER, (void *)&ui32, &ui32_size)) { return -EINVAL; } ui32 >>= 8; break; case AMDGPU_INFO_SENSOR_VDDNB: /* get VDDNB in millivolts */ if (amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDNB, (void *)&ui32, &ui32_size)) { return -EINVAL; } break; case AMDGPU_INFO_SENSOR_VDDGFX: /* get VDDGFX in millivolts */ if (amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDGFX, (void *)&ui32, &ui32_size)) { return -EINVAL; } break; case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK: /* get stable pstate sclk in Mhz */ if (amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK, (void *)&ui32, &ui32_size)) { return -EINVAL; } ui32 /= 100; break; case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK: /* get stable pstate mclk in Mhz */ if (amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK, (void *)&ui32, &ui32_size)) { return -EINVAL; } ui32 /= 100; break; default: DRM_DEBUG_KMS("Invalid request %d\n", info->sensor_info.type); return -EINVAL; } return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0; } case AMDGPU_INFO_VRAM_LOST_COUNTER: ui32 = atomic_read(&adev->vram_lost_counter); return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0; default: DRM_DEBUG_KMS("Invalid request %d\n", info->query); return -EINVAL; } return 0; } /* * Outdated mess for old drm with Xorg being in charge (void function now). */ /** * amdgpu_driver_lastclose_kms - drm callback for last close * * @dev: drm dev pointer * * Switch vga_switcheroo state after last close (all asics). */ void amdgpu_driver_lastclose_kms(struct drm_device *dev) { #if 0 // empty function as of 4.19 drm_fb_helper_lastclose(dev); #endif vga_switcheroo_process_delayed_switch(); } /** * amdgpu_driver_open_kms - drm callback for open * * @dev: drm dev pointer * @file_priv: drm file * * On device open, init vm on cayman+ (all asics). * Returns 0 on success, error on failure. */ int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) { struct amdgpu_device *adev = dev->dev_private; struct amdgpu_fpriv *fpriv; int r, pasid; /* Ensure IB tests are run on ring */ flush_delayed_work(&adev->late_init_work); file_priv->driver_priv = NULL; #if 0 r = pm_runtime_get_sync(dev->dev); if (r < 0) goto pm_put; #endif fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL); if (unlikely(!fpriv)) { r = -ENOMEM; goto out_suspend; } pasid = amdgpu_pasid_alloc(16); if (pasid < 0) { dev_warn(adev->dev, "No more PASIDs available!"); pasid = 0; } r = amdgpu_vm_init(adev, &fpriv->vm, AMDGPU_VM_CONTEXT_GFX, pasid); if (r) goto error_pasid; fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL); if (!fpriv->prt_va) { r = -ENOMEM; goto error_vm; } if (amdgpu_sriov_vf(adev)) { r = amdgpu_map_static_csa(adev, &fpriv->vm, &fpriv->csa_va); if (r) goto error_vm; } lockinit(&fpriv->bo_list_lock, "agfbll", 0, LK_CANRECURSE); idr_init(&fpriv->bo_list_handles); amdgpu_ctx_mgr_init(&fpriv->ctx_mgr); file_priv->driver_priv = fpriv; goto out_suspend; error_vm: amdgpu_vm_fini(adev, &fpriv->vm); error_pasid: if (pasid) amdgpu_pasid_free(pasid); kfree(fpriv); out_suspend: pm_runtime_mark_last_busy(dev->dev); #if 0 pm_put: pm_runtime_put_autosuspend(dev->dev); #endif return r; } /** * amdgpu_driver_postclose_kms - drm callback for post close * * @dev: drm dev pointer * @file_priv: drm file * * On device post close, tear down vm on cayman+ (all asics). */ void amdgpu_driver_postclose_kms(struct drm_device *dev, struct drm_file *file_priv) { struct amdgpu_device *adev = dev->dev_private; struct amdgpu_fpriv *fpriv = file_priv->driver_priv; struct amdgpu_bo_list *list; struct amdgpu_bo *pd; unsigned int pasid; int handle; if (!fpriv) return; pm_runtime_get_sync(dev->dev); if (adev->asic_type != CHIP_RAVEN) { amdgpu_uvd_free_handles(adev, file_priv); amdgpu_vce_free_handles(adev, file_priv); } amdgpu_vm_bo_rmv(adev, fpriv->prt_va); if (amdgpu_sriov_vf(adev)) { /* TODO: how to handle reserve failure */ BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, true)); amdgpu_vm_bo_rmv(adev, fpriv->csa_va); fpriv->csa_va = NULL; amdgpu_bo_unreserve(adev->virt.csa_obj); } pasid = fpriv->vm.pasid; pd = amdgpu_bo_ref(fpriv->vm.root.base.bo); amdgpu_vm_fini(adev, &fpriv->vm); amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr); if (pasid) amdgpu_pasid_free_delayed(pd->tbo.resv, pasid); amdgpu_bo_unref(&pd); idr_for_each_entry(&fpriv->bo_list_handles, list, handle) amdgpu_bo_list_put(list); idr_destroy(&fpriv->bo_list_handles); mutex_destroy(&fpriv->bo_list_lock); kfree(fpriv); file_priv->driver_priv = NULL; pm_runtime_mark_last_busy(dev->dev); pm_runtime_put_autosuspend(dev->dev); } /* * VBlank related functions. */ /** * amdgpu_get_vblank_counter_kms - get frame count * * @dev: drm dev pointer * @pipe: crtc to get the frame count from * * Gets the frame count on the requested crtc (all asics). * Returns frame count on success, -EINVAL on failure. */ u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe) { struct amdgpu_device *adev = dev->dev_private; int vpos, hpos, stat; u32 count; if (pipe >= adev->mode_info.num_crtc) { DRM_ERROR("Invalid crtc %u\n", pipe); return -EINVAL; } /* The hw increments its frame counter at start of vsync, not at start * of vblank, as is required by DRM core vblank counter handling. * Cook the hw count here to make it appear to the caller as if it * incremented at start of vblank. We measure distance to start of * vblank in vpos. vpos therefore will be >= 0 between start of vblank * and start of vsync, so vpos >= 0 means to bump the hw frame counter * result by 1 to give the proper appearance to caller. */ if (adev->mode_info.crtcs[pipe]) { /* Repeat readout if needed to provide stable result if * we cross start of vsync during the queries. */ do { count = amdgpu_display_vblank_get_counter(adev, pipe); /* Ask amdgpu_display_get_crtc_scanoutpos to return * vpos as distance to start of vblank, instead of * regular vertical scanout pos. */ stat = amdgpu_display_get_crtc_scanoutpos( dev, pipe, GET_DISTANCE_TO_VBLANKSTART, &vpos, &hpos, NULL, NULL, &adev->mode_info.crtcs[pipe]->base.hwmode); } while (count != amdgpu_display_vblank_get_counter(adev, pipe)); if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) != (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) { DRM_DEBUG_VBL("Query failed! stat %d\n", stat); } else { DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n", pipe, vpos); /* Bump counter if we are at >= leading edge of vblank, * but before vsync where vpos would turn negative and * the hw counter really increments. */ if (vpos >= 0) count++; } } else { /* Fallback to use value as is. */ count = amdgpu_display_vblank_get_counter(adev, pipe); DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n"); } return count; } /** * amdgpu_enable_vblank_kms - enable vblank interrupt * * @dev: drm dev pointer * @pipe: crtc to enable vblank interrupt for * * Enable the interrupt on the requested crtc (all asics). * Returns 0 on success, -EINVAL on failure. */ int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe) { struct amdgpu_device *adev = dev->dev_private; int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe); return amdgpu_irq_get(adev, &adev->crtc_irq, idx); } /** * amdgpu_disable_vblank_kms - disable vblank interrupt * * @dev: drm dev pointer * @pipe: crtc to disable vblank interrupt for * * Disable the interrupt on the requested crtc (all asics). */ void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe) { struct amdgpu_device *adev = dev->dev_private; int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe); amdgpu_irq_put(adev, &adev->crtc_irq, idx); } const struct drm_ioctl_desc amdgpu_ioctls_kms[] = { DRM_IOCTL_DEF_DRV(AMDGPU_GEM_CREATE, amdgpu_gem_create_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_CTX, amdgpu_ctx_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_VM, amdgpu_vm_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_SCHED, amdgpu_sched_ioctl, DRM_MASTER), DRM_IOCTL_DEF_DRV(AMDGPU_BO_LIST, amdgpu_bo_list_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_FENCE_TO_HANDLE, amdgpu_cs_fence_to_handle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), /* KMS */ DRM_IOCTL_DEF_DRV(AMDGPU_GEM_MMAP, amdgpu_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_GEM_WAIT_IDLE, amdgpu_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_CS, amdgpu_cs_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_INFO, amdgpu_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_CS, amdgpu_cs_wait_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_FENCES, amdgpu_cs_wait_fences_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_GEM_METADATA, amdgpu_gem_metadata_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_GEM_VA, amdgpu_gem_va_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_GEM_OP, amdgpu_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_GEM_USERPTR, amdgpu_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW) }; const int amdgpu_max_kms_ioctl = ARRAY_SIZE(amdgpu_ioctls_kms); /* * Debugfs info */ #if defined(CONFIG_DEBUG_FS) static int amdgpu_debugfs_firmware_info(struct seq_file *m, void *data) { struct drm_info_node *node = (struct drm_info_node *) m->private; struct drm_device *dev = node->minor->dev; struct amdgpu_device *adev = dev->dev_private; struct drm_amdgpu_info_firmware fw_info; struct drm_amdgpu_query_fw query_fw; struct atom_context *ctx = adev->mode_info.atom_context; int ret, i; /* VCE */ query_fw.fw_type = AMDGPU_INFO_FW_VCE; ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); if (ret) return ret; seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n", fw_info.feature, fw_info.ver); /* UVD */ query_fw.fw_type = AMDGPU_INFO_FW_UVD; ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); if (ret) return ret; seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n", fw_info.feature, fw_info.ver); /* GMC */ query_fw.fw_type = AMDGPU_INFO_FW_GMC; ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); if (ret) return ret; seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n", fw_info.feature, fw_info.ver); /* ME */ query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME; ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); if (ret) return ret; seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n", fw_info.feature, fw_info.ver); /* PFP */ query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP; ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); if (ret) return ret; seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n", fw_info.feature, fw_info.ver); /* CE */ query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE; ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); if (ret) return ret; seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n", fw_info.feature, fw_info.ver); /* RLC */ query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC; ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); if (ret) return ret; seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n", fw_info.feature, fw_info.ver); /* RLC SAVE RESTORE LIST CNTL */ query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL; ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); if (ret) return ret; seq_printf(m, "RLC SRLC feature version: %u, firmware version: 0x%08x\n", fw_info.feature, fw_info.ver); /* RLC SAVE RESTORE LIST GPM MEM */ query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM; ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); if (ret) return ret; seq_printf(m, "RLC SRLG feature version: %u, firmware version: 0x%08x\n", fw_info.feature, fw_info.ver); /* RLC SAVE RESTORE LIST SRM MEM */ query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM; ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); if (ret) return ret; seq_printf(m, "RLC SRLS feature version: %u, firmware version: 0x%08x\n", fw_info.feature, fw_info.ver); /* MEC */ query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC; query_fw.index = 0; ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); if (ret) return ret; seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n", fw_info.feature, fw_info.ver); /* MEC2 */ if (adev->asic_type == CHIP_KAVERI || (adev->asic_type > CHIP_TOPAZ && adev->asic_type != CHIP_STONEY)) { query_fw.index = 1; ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); if (ret) return ret; seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n", fw_info.feature, fw_info.ver); } /* PSP SOS */ query_fw.fw_type = AMDGPU_INFO_FW_SOS; ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); if (ret) return ret; seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n", fw_info.feature, fw_info.ver); /* PSP ASD */ query_fw.fw_type = AMDGPU_INFO_FW_ASD; ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); if (ret) return ret; seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n", fw_info.feature, fw_info.ver); /* SMC */ query_fw.fw_type = AMDGPU_INFO_FW_SMC; ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); if (ret) return ret; seq_printf(m, "SMC feature version: %u, firmware version: 0x%08x\n", fw_info.feature, fw_info.ver); /* SDMA */ query_fw.fw_type = AMDGPU_INFO_FW_SDMA; for (i = 0; i < adev->sdma.num_instances; i++) { query_fw.index = i; ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); if (ret) return ret; seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n", i, fw_info.feature, fw_info.ver); } /* VCN */ query_fw.fw_type = AMDGPU_INFO_FW_VCN; ret = amdgpu_firmware_info(&fw_info, &query_fw, adev); if (ret) return ret; seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n", fw_info.feature, fw_info.ver); seq_printf(m, "VBIOS version: %s\n", ctx->vbios_version); return 0; } static const struct drm_info_list amdgpu_firmware_info_list[] = { {"amdgpu_firmware_info", amdgpu_debugfs_firmware_info, 0, NULL}, }; #endif int amdgpu_debugfs_firmware_init(struct amdgpu_device *adev) { #if defined(CONFIG_DEBUG_FS) return amdgpu_debugfs_add_files(adev, amdgpu_firmware_info_list, ARRAY_SIZE(amdgpu_firmware_info_list)); #else return 0; #endif }