Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright © 2008 Intel Corporation |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 5 | * copy of this software and associated documentation files (the "Software"), |
| 6 | * to deal in the Software without restriction, including without limitation |
| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
| 9 | * Software is furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice (including the next |
| 12 | * paragraph) shall be included in all copies or substantial portions of the |
| 13 | * Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| 21 | * IN THE SOFTWARE. |
| 22 | * |
| 23 | * Authors: |
| 24 | * Eric Anholt <eric@anholt.net> |
| 25 | * Keith Packard <keithp@keithp.com> |
| 26 | * |
| 27 | */ |
| 28 | |
| 29 | #include <linux/seq_file.h> |
| 30 | #include "drmP.h" |
| 31 | #include "drm.h" |
| 32 | #include "i915_drm.h" |
| 33 | #include "i915_drv.h" |
| 34 | |
| 35 | #define DRM_I915_RING_DEBUG 1 |
| 36 | |
| 37 | |
| 38 | #if defined(CONFIG_DEBUG_FS) |
| 39 | |
Ben Gamari | 433e12f | 2009-02-17 20:08:51 -0500 | [diff] [blame^] | 40 | #define ACTIVE_LIST 1 |
| 41 | #define FLUSHING_LIST 2 |
| 42 | #define INACTIVE_LIST 3 |
| 43 | |
| 44 | static int i915_gem_object_list_info(struct seq_file *m, void *data) |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 45 | { |
| 46 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
Ben Gamari | 433e12f | 2009-02-17 20:08:51 -0500 | [diff] [blame^] | 47 | uintptr_t list = (uintptr_t) node->info_ent->data; |
| 48 | struct list_head *head; |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 49 | struct drm_device *dev = node->minor->dev; |
| 50 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 51 | struct drm_i915_gem_object *obj_priv; |
| 52 | |
Ben Gamari | 433e12f | 2009-02-17 20:08:51 -0500 | [diff] [blame^] | 53 | switch (list) { |
| 54 | case ACTIVE_LIST: |
| 55 | seq_printf(m, "Active:\n"); |
| 56 | head = &dev_priv->mm.active_list; |
| 57 | break; |
| 58 | case INACTIVE_LIST: |
| 59 | seq_printf(m, "Inctive:\n"); |
| 60 | head = &dev_priv->mm.inactive_list; |
| 61 | break; |
| 62 | case FLUSHING_LIST: |
| 63 | seq_printf(m, "Flushing:\n"); |
| 64 | head = &dev_priv->mm.flushing_list; |
| 65 | break; |
| 66 | default: |
| 67 | DRM_INFO("Ooops, unexpected list\n"); |
| 68 | return 0; |
| 69 | } |
| 70 | |
| 71 | list_for_each_entry(obj_priv, head, list) |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 72 | { |
| 73 | struct drm_gem_object *obj = obj_priv->obj; |
| 74 | if (obj->name) { |
| 75 | seq_printf(m, " %p(%d): %08x %08x %d\n", |
| 76 | obj, obj->name, |
| 77 | obj->read_domains, obj->write_domain, |
| 78 | obj_priv->last_rendering_seqno); |
| 79 | } else { |
| 80 | seq_printf(m, " %p: %08x %08x %d\n", |
| 81 | obj, |
| 82 | obj->read_domains, obj->write_domain, |
| 83 | obj_priv->last_rendering_seqno); |
| 84 | } |
| 85 | } |
| 86 | return 0; |
| 87 | } |
| 88 | |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 89 | static int i915_gem_request_info(struct seq_file *m, void *data) |
| 90 | { |
| 91 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 92 | struct drm_device *dev = node->minor->dev; |
| 93 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 94 | struct drm_i915_gem_request *gem_request; |
| 95 | |
| 96 | seq_printf(m, "Request:\n"); |
| 97 | list_for_each_entry(gem_request, &dev_priv->mm.request_list, list) { |
| 98 | seq_printf(m, " %d @ %d\n", |
| 99 | gem_request->seqno, |
| 100 | (int) (jiffies - gem_request->emitted_jiffies)); |
| 101 | } |
| 102 | return 0; |
| 103 | } |
| 104 | |
| 105 | static int i915_gem_seqno_info(struct seq_file *m, void *data) |
| 106 | { |
| 107 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 108 | struct drm_device *dev = node->minor->dev; |
| 109 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 110 | |
| 111 | if (dev_priv->hw_status_page != NULL) { |
| 112 | seq_printf(m, "Current sequence: %d\n", |
| 113 | i915_get_gem_seqno(dev)); |
| 114 | } else { |
| 115 | seq_printf(m, "Current sequence: hws uninitialized\n"); |
| 116 | } |
| 117 | seq_printf(m, "Waiter sequence: %d\n", |
| 118 | dev_priv->mm.waiting_gem_seqno); |
| 119 | seq_printf(m, "IRQ sequence: %d\n", dev_priv->mm.irq_gem_seqno); |
| 120 | return 0; |
| 121 | } |
| 122 | |
| 123 | |
| 124 | static int i915_interrupt_info(struct seq_file *m, void *data) |
| 125 | { |
| 126 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 127 | struct drm_device *dev = node->minor->dev; |
| 128 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 129 | |
| 130 | seq_printf(m, "Interrupt enable: %08x\n", |
| 131 | I915_READ(IER)); |
| 132 | seq_printf(m, "Interrupt identity: %08x\n", |
| 133 | I915_READ(IIR)); |
| 134 | seq_printf(m, "Interrupt mask: %08x\n", |
| 135 | I915_READ(IMR)); |
| 136 | seq_printf(m, "Pipe A stat: %08x\n", |
| 137 | I915_READ(PIPEASTAT)); |
| 138 | seq_printf(m, "Pipe B stat: %08x\n", |
| 139 | I915_READ(PIPEBSTAT)); |
| 140 | seq_printf(m, "Interrupts received: %d\n", |
| 141 | atomic_read(&dev_priv->irq_received)); |
| 142 | if (dev_priv->hw_status_page != NULL) { |
| 143 | seq_printf(m, "Current sequence: %d\n", |
| 144 | i915_get_gem_seqno(dev)); |
| 145 | } else { |
| 146 | seq_printf(m, "Current sequence: hws uninitialized\n"); |
| 147 | } |
| 148 | seq_printf(m, "Waiter sequence: %d\n", |
| 149 | dev_priv->mm.waiting_gem_seqno); |
| 150 | seq_printf(m, "IRQ sequence: %d\n", |
| 151 | dev_priv->mm.irq_gem_seqno); |
| 152 | return 0; |
| 153 | } |
| 154 | |
| 155 | static int i915_hws_info(struct seq_file *m, void *data) |
| 156 | { |
| 157 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 158 | struct drm_device *dev = node->minor->dev; |
| 159 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 160 | int i; |
| 161 | volatile u32 *hws; |
| 162 | |
| 163 | hws = (volatile u32 *)dev_priv->hw_status_page; |
| 164 | if (hws == NULL) |
| 165 | return 0; |
| 166 | |
| 167 | for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) { |
| 168 | seq_printf(m, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n", |
| 169 | i * 4, |
| 170 | hws[i], hws[i + 1], hws[i + 2], hws[i + 3]); |
| 171 | } |
| 172 | return 0; |
| 173 | } |
| 174 | |
| 175 | static struct drm_info_list i915_gem_debugfs_list[] = { |
Ben Gamari | 433e12f | 2009-02-17 20:08:51 -0500 | [diff] [blame^] | 176 | {"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST}, |
| 177 | {"i915_gem_flushing", i915_gem_object_list_info, 0, (void *) FLUSHING_LIST}, |
| 178 | {"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST}, |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 179 | {"i915_gem_request", i915_gem_request_info, 0}, |
| 180 | {"i915_gem_seqno", i915_gem_seqno_info, 0}, |
| 181 | {"i915_gem_interrupt", i915_interrupt_info, 0}, |
| 182 | {"i915_gem_hws", i915_hws_info, 0}, |
| 183 | }; |
| 184 | #define I915_GEM_DEBUGFS_ENTRIES ARRAY_SIZE(i915_gem_debugfs_list) |
| 185 | |
| 186 | int i915_gem_debugfs_init(struct drm_minor *minor) |
| 187 | { |
| 188 | return drm_debugfs_create_files(i915_gem_debugfs_list, |
| 189 | I915_GEM_DEBUGFS_ENTRIES, |
| 190 | minor->debugfs_root, minor); |
| 191 | } |
| 192 | |
| 193 | void i915_gem_debugfs_cleanup(struct drm_minor *minor) |
| 194 | { |
| 195 | drm_debugfs_remove_files(i915_gem_debugfs_list, |
| 196 | I915_GEM_DEBUGFS_ENTRIES, minor); |
| 197 | } |
| 198 | |
| 199 | #endif /* CONFIG_DEBUG_FS */ |
| 200 | |