1 // SPDX-License-Identifier: MIT 2 /* 3 * Copyright © 2022 Intel Corporation 4 */ 5 6 #include "xe_debugfs.h" 7 8 #include <linux/string_helpers.h> 9 10 #include <drm/drm_debugfs.h> 11 12 #include "xe_bo.h" 13 #include "xe_device.h" 14 #include "xe_gt_debugfs.h" 15 #include "xe_step.h" 16 17 #ifdef CONFIG_DRM_XE_DEBUG 18 #include "xe_bo_evict.h" 19 #include "xe_migrate.h" 20 #include "xe_vm.h" 21 #endif 22 23 static struct xe_device *node_to_xe(struct drm_info_node *node) 24 { 25 return to_xe_device(node->minor->dev); 26 } 27 28 static int info(struct seq_file *m, void *data) 29 { 30 struct xe_device *xe = node_to_xe(m->private); 31 struct drm_printer p = drm_seq_file_printer(m); 32 struct xe_gt *gt; 33 u8 id; 34 35 drm_printf(&p, "graphics_verx100 %d\n", xe->info.graphics_verx100); 36 drm_printf(&p, "media_verx100 %d\n", xe->info.media_verx100); 37 drm_printf(&p, "stepping G:%s M:%s D:%s B:%s\n", 38 xe_step_name(xe->info.step.graphics), 39 xe_step_name(xe->info.step.media), 40 xe_step_name(xe->info.step.display), 41 xe_step_name(xe->info.step.basedie)); 42 drm_printf(&p, "is_dgfx %s\n", str_yes_no(xe->info.is_dgfx)); 43 drm_printf(&p, "platform %d\n", xe->info.platform); 44 drm_printf(&p, "subplatform %d\n", 45 xe->info.subplatform > XE_SUBPLATFORM_NONE ? xe->info.subplatform : 0); 46 drm_printf(&p, "devid 0x%x\n", xe->info.devid); 47 drm_printf(&p, "revid %d\n", xe->info.revid); 48 drm_printf(&p, "tile_count %d\n", xe->info.tile_count); 49 drm_printf(&p, "vm_max_level %d\n", xe->info.vm_max_level); 50 drm_printf(&p, "enable_guc %s\n", str_yes_no(xe->info.enable_guc)); 51 drm_printf(&p, "supports_usm %s\n", str_yes_no(xe->info.supports_usm)); 52 drm_printf(&p, "has_flat_ccs %s\n", str_yes_no(xe->info.has_flat_ccs)); 53 for_each_gt(gt, xe, id) { 54 drm_printf(&p, "gt%d force wake %d\n", id, 55 xe_force_wake_ref(gt_to_fw(gt), XE_FW_GT)); 56 drm_printf(&p, "gt%d engine_mask 0x%llx\n", id, 57 gt->info.engine_mask); 58 } 59 60 return 0; 61 } 62 63 static const struct drm_info_list debugfs_list[] = { 64 {"info", info, 0}, 65 }; 66 67 static int forcewake_open(struct inode *inode, struct file *file) 68 { 69 struct xe_device *xe = inode->i_private; 70 struct xe_gt *gt; 71 u8 id; 72 73 for_each_gt(gt, xe, id) 74 XE_WARN_ON(xe_force_wake_get(gt_to_fw(gt), XE_FORCEWAKE_ALL)); 75 76 return 0; 77 } 78 79 static int forcewake_release(struct inode *inode, struct file *file) 80 { 81 struct xe_device *xe = inode->i_private; 82 struct xe_gt *gt; 83 u8 id; 84 85 for_each_gt(gt, xe, id) 86 XE_WARN_ON(xe_force_wake_put(gt_to_fw(gt), XE_FORCEWAKE_ALL)); 87 88 return 0; 89 } 90 91 static const struct file_operations forcewake_all_fops = { 92 .owner = THIS_MODULE, 93 .open = forcewake_open, 94 .release = forcewake_release, 95 }; 96 97 void xe_debugfs_register(struct xe_device *xe) 98 { 99 struct ttm_device *bdev = &xe->ttm; 100 struct drm_minor *minor = xe->drm.primary; 101 struct dentry *root = minor->debugfs_root; 102 struct ttm_resource_manager *man; 103 struct xe_gt *gt; 104 u32 mem_type; 105 u8 id; 106 107 drm_debugfs_create_files(debugfs_list, 108 ARRAY_SIZE(debugfs_list), 109 root, minor); 110 111 debugfs_create_file("forcewake_all", 0400, root, xe, 112 &forcewake_all_fops); 113 114 for (mem_type = XE_PL_VRAM0; mem_type <= XE_PL_VRAM1; ++mem_type) { 115 man = ttm_manager_type(bdev, mem_type); 116 117 if (man) { 118 char name[16]; 119 120 sprintf(name, "vram%d_mm", mem_type - XE_PL_VRAM0); 121 ttm_resource_manager_create_debugfs(man, root, name); 122 } 123 } 124 125 man = ttm_manager_type(bdev, XE_PL_TT); 126 ttm_resource_manager_create_debugfs(man, root, "gtt_mm"); 127 128 man = ttm_manager_type(bdev, XE_PL_STOLEN); 129 if (man) 130 ttm_resource_manager_create_debugfs(man, root, "stolen_mm"); 131 132 for_each_gt(gt, xe, id) 133 xe_gt_debugfs_register(gt); 134 } 135