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 | |
Chris Wilson | a6172a8 | 2009-02-11 14:26:38 +0000 | [diff] [blame] | 44 | static const char *get_pin_flag(struct drm_i915_gem_object *obj_priv) |
| 45 | { |
| 46 | if (obj_priv->user_pin_count > 0) |
| 47 | return "P"; |
| 48 | else if (obj_priv->pin_count > 0) |
| 49 | return "p"; |
| 50 | else |
| 51 | return " "; |
| 52 | } |
| 53 | |
| 54 | static const char *get_tiling_flag(struct drm_i915_gem_object *obj_priv) |
| 55 | { |
| 56 | switch (obj_priv->tiling_mode) { |
| 57 | default: |
| 58 | case I915_TILING_NONE: return " "; |
| 59 | case I915_TILING_X: return "X"; |
| 60 | case I915_TILING_Y: return "Y"; |
| 61 | } |
| 62 | } |
| 63 | |
Ben Gamari | 433e12f | 2009-02-17 20:08:51 -0500 | [diff] [blame] | 64 | 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] | 65 | { |
| 66 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
Ben Gamari | 433e12f | 2009-02-17 20:08:51 -0500 | [diff] [blame] | 67 | uintptr_t list = (uintptr_t) node->info_ent->data; |
| 68 | struct list_head *head; |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 69 | struct drm_device *dev = node->minor->dev; |
| 70 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 71 | struct drm_i915_gem_object *obj_priv; |
Carl Worth | 5e118f4 | 2009-03-20 11:54:25 -0700 | [diff] [blame] | 72 | spinlock_t *lock = NULL; |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 73 | |
Ben Gamari | 433e12f | 2009-02-17 20:08:51 -0500 | [diff] [blame] | 74 | switch (list) { |
| 75 | case ACTIVE_LIST: |
| 76 | seq_printf(m, "Active:\n"); |
Carl Worth | 5e118f4 | 2009-03-20 11:54:25 -0700 | [diff] [blame] | 77 | lock = &dev_priv->mm.active_list_lock; |
| 78 | spin_lock(lock); |
Ben Gamari | 433e12f | 2009-02-17 20:08:51 -0500 | [diff] [blame] | 79 | head = &dev_priv->mm.active_list; |
| 80 | break; |
| 81 | case INACTIVE_LIST: |
| 82 | seq_printf(m, "Inctive:\n"); |
| 83 | head = &dev_priv->mm.inactive_list; |
| 84 | break; |
| 85 | case FLUSHING_LIST: |
| 86 | seq_printf(m, "Flushing:\n"); |
| 87 | head = &dev_priv->mm.flushing_list; |
| 88 | break; |
| 89 | default: |
| 90 | DRM_INFO("Ooops, unexpected list\n"); |
| 91 | return 0; |
| 92 | } |
| 93 | |
| 94 | list_for_each_entry(obj_priv, head, list) |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 95 | { |
| 96 | struct drm_gem_object *obj = obj_priv->obj; |
Eric Anholt | f4ceda8 | 2009-02-17 23:53:41 -0800 | [diff] [blame] | 97 | |
Eric Anholt | f4ceda8 | 2009-02-17 23:53:41 -0800 | [diff] [blame] | 98 | seq_printf(m, " %p: %s %08x %08x %d", |
| 99 | obj, |
Chris Wilson | a6172a8 | 2009-02-11 14:26:38 +0000 | [diff] [blame] | 100 | get_pin_flag(obj_priv), |
Eric Anholt | f4ceda8 | 2009-02-17 23:53:41 -0800 | [diff] [blame] | 101 | obj->read_domains, obj->write_domain, |
| 102 | obj_priv->last_rendering_seqno); |
| 103 | |
| 104 | if (obj->name) |
| 105 | seq_printf(m, " (name: %d)", obj->name); |
| 106 | if (obj_priv->fence_reg != I915_FENCE_REG_NONE) |
Ben Gamari | 76cff81 | 2009-06-10 18:26:20 -0400 | [diff] [blame^] | 107 | seq_printf(m, " (fence: %d)\n", obj_priv->fence_reg); |
Eric Anholt | f4ceda8 | 2009-02-17 23:53:41 -0800 | [diff] [blame] | 108 | seq_printf(m, "\n"); |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 109 | } |
Carl Worth | 5e118f4 | 2009-03-20 11:54:25 -0700 | [diff] [blame] | 110 | |
| 111 | if (lock) |
| 112 | spin_unlock(lock); |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 113 | return 0; |
| 114 | } |
| 115 | |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 116 | static int i915_gem_request_info(struct seq_file *m, void *data) |
| 117 | { |
| 118 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 119 | struct drm_device *dev = node->minor->dev; |
| 120 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 121 | struct drm_i915_gem_request *gem_request; |
| 122 | |
| 123 | seq_printf(m, "Request:\n"); |
| 124 | list_for_each_entry(gem_request, &dev_priv->mm.request_list, list) { |
| 125 | seq_printf(m, " %d @ %d\n", |
| 126 | gem_request->seqno, |
| 127 | (int) (jiffies - gem_request->emitted_jiffies)); |
| 128 | } |
| 129 | return 0; |
| 130 | } |
| 131 | |
| 132 | static int i915_gem_seqno_info(struct seq_file *m, void *data) |
| 133 | { |
| 134 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 135 | struct drm_device *dev = node->minor->dev; |
| 136 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 137 | |
| 138 | if (dev_priv->hw_status_page != NULL) { |
| 139 | seq_printf(m, "Current sequence: %d\n", |
| 140 | i915_get_gem_seqno(dev)); |
| 141 | } else { |
| 142 | seq_printf(m, "Current sequence: hws uninitialized\n"); |
| 143 | } |
| 144 | seq_printf(m, "Waiter sequence: %d\n", |
| 145 | dev_priv->mm.waiting_gem_seqno); |
| 146 | seq_printf(m, "IRQ sequence: %d\n", dev_priv->mm.irq_gem_seqno); |
| 147 | return 0; |
| 148 | } |
| 149 | |
| 150 | |
| 151 | static int i915_interrupt_info(struct seq_file *m, void *data) |
| 152 | { |
| 153 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 154 | struct drm_device *dev = node->minor->dev; |
| 155 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 156 | |
| 157 | seq_printf(m, "Interrupt enable: %08x\n", |
| 158 | I915_READ(IER)); |
| 159 | seq_printf(m, "Interrupt identity: %08x\n", |
| 160 | I915_READ(IIR)); |
| 161 | seq_printf(m, "Interrupt mask: %08x\n", |
| 162 | I915_READ(IMR)); |
| 163 | seq_printf(m, "Pipe A stat: %08x\n", |
| 164 | I915_READ(PIPEASTAT)); |
| 165 | seq_printf(m, "Pipe B stat: %08x\n", |
| 166 | I915_READ(PIPEBSTAT)); |
| 167 | seq_printf(m, "Interrupts received: %d\n", |
| 168 | atomic_read(&dev_priv->irq_received)); |
| 169 | if (dev_priv->hw_status_page != NULL) { |
| 170 | seq_printf(m, "Current sequence: %d\n", |
| 171 | i915_get_gem_seqno(dev)); |
| 172 | } else { |
| 173 | seq_printf(m, "Current sequence: hws uninitialized\n"); |
| 174 | } |
| 175 | seq_printf(m, "Waiter sequence: %d\n", |
| 176 | dev_priv->mm.waiting_gem_seqno); |
| 177 | seq_printf(m, "IRQ sequence: %d\n", |
| 178 | dev_priv->mm.irq_gem_seqno); |
| 179 | return 0; |
| 180 | } |
| 181 | |
Chris Wilson | a6172a8 | 2009-02-11 14:26:38 +0000 | [diff] [blame] | 182 | static int i915_gem_fence_regs_info(struct seq_file *m, void *data) |
| 183 | { |
| 184 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 185 | struct drm_device *dev = node->minor->dev; |
| 186 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 187 | int i; |
| 188 | |
| 189 | seq_printf(m, "Reserved fences = %d\n", dev_priv->fence_reg_start); |
| 190 | seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs); |
| 191 | for (i = 0; i < dev_priv->num_fence_regs; i++) { |
| 192 | struct drm_gem_object *obj = dev_priv->fence_regs[i].obj; |
| 193 | |
| 194 | if (obj == NULL) { |
| 195 | seq_printf(m, "Fenced object[%2d] = unused\n", i); |
| 196 | } else { |
| 197 | struct drm_i915_gem_object *obj_priv; |
| 198 | |
| 199 | obj_priv = obj->driver_private; |
| 200 | seq_printf(m, "Fenced object[%2d] = %p: %s " |
Linus Torvalds | 0b4d569 | 2009-03-27 17:02:09 -0700 | [diff] [blame] | 201 | "%08x %08zx %08x %s %08x %08x %d", |
Chris Wilson | a6172a8 | 2009-02-11 14:26:38 +0000 | [diff] [blame] | 202 | i, obj, get_pin_flag(obj_priv), |
| 203 | obj_priv->gtt_offset, |
| 204 | obj->size, obj_priv->stride, |
| 205 | get_tiling_flag(obj_priv), |
| 206 | obj->read_domains, obj->write_domain, |
| 207 | obj_priv->last_rendering_seqno); |
| 208 | if (obj->name) |
| 209 | seq_printf(m, " (name: %d)", obj->name); |
| 210 | seq_printf(m, "\n"); |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | return 0; |
| 215 | } |
| 216 | |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 217 | static int i915_hws_info(struct seq_file *m, void *data) |
| 218 | { |
| 219 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 220 | struct drm_device *dev = node->minor->dev; |
| 221 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 222 | int i; |
| 223 | volatile u32 *hws; |
| 224 | |
| 225 | hws = (volatile u32 *)dev_priv->hw_status_page; |
| 226 | if (hws == NULL) |
| 227 | return 0; |
| 228 | |
| 229 | for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) { |
| 230 | seq_printf(m, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n", |
| 231 | i * 4, |
| 232 | hws[i], hws[i + 1], hws[i + 2], hws[i + 3]); |
| 233 | } |
| 234 | return 0; |
| 235 | } |
| 236 | |
Ben Gamari | 6911a9b | 2009-04-02 11:24:54 -0700 | [diff] [blame] | 237 | static void i915_dump_pages(struct seq_file *m, struct page **pages, int page_count) |
| 238 | { |
| 239 | int page, i; |
| 240 | uint32_t *mem; |
| 241 | |
| 242 | for (page = 0; page < page_count; page++) { |
| 243 | mem = kmap(pages[page]); |
| 244 | for (i = 0; i < PAGE_SIZE; i += 4) |
| 245 | seq_printf(m, "%08x : %08x\n", i, mem[i / 4]); |
| 246 | kunmap(pages[page]); |
| 247 | } |
| 248 | } |
| 249 | |
| 250 | static int i915_batchbuffer_info(struct seq_file *m, void *data) |
| 251 | { |
| 252 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 253 | struct drm_device *dev = node->minor->dev; |
| 254 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 255 | struct drm_gem_object *obj; |
| 256 | struct drm_i915_gem_object *obj_priv; |
| 257 | int ret; |
| 258 | |
| 259 | spin_lock(&dev_priv->mm.active_list_lock); |
| 260 | |
| 261 | list_for_each_entry(obj_priv, &dev_priv->mm.active_list, list) { |
| 262 | obj = obj_priv->obj; |
| 263 | if (obj->read_domains & I915_GEM_DOMAIN_COMMAND) { |
| 264 | ret = i915_gem_object_get_pages(obj); |
| 265 | if (ret) { |
| 266 | DRM_ERROR("Failed to get pages: %d\n", ret); |
| 267 | spin_unlock(&dev_priv->mm.active_list_lock); |
| 268 | return ret; |
| 269 | } |
| 270 | |
| 271 | seq_printf(m, "--- gtt_offset = 0x%08x\n", obj_priv->gtt_offset); |
| 272 | i915_dump_pages(m, obj_priv->pages, obj->size / PAGE_SIZE); |
| 273 | |
| 274 | i915_gem_object_put_pages(obj); |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | spin_unlock(&dev_priv->mm.active_list_lock); |
| 279 | |
| 280 | return 0; |
| 281 | } |
| 282 | |
| 283 | static int i915_ringbuffer_data(struct seq_file *m, void *data) |
| 284 | { |
| 285 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 286 | struct drm_device *dev = node->minor->dev; |
| 287 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 288 | u8 *virt; |
| 289 | uint32_t *ptr, off; |
| 290 | |
| 291 | if (!dev_priv->ring.ring_obj) { |
| 292 | seq_printf(m, "No ringbuffer setup\n"); |
| 293 | return 0; |
| 294 | } |
| 295 | |
| 296 | virt = dev_priv->ring.virtual_start; |
| 297 | |
| 298 | for (off = 0; off < dev_priv->ring.Size; off += 4) { |
| 299 | ptr = (uint32_t *)(virt + off); |
| 300 | seq_printf(m, "%08x : %08x\n", off, *ptr); |
| 301 | } |
| 302 | |
| 303 | return 0; |
| 304 | } |
| 305 | |
| 306 | static int i915_ringbuffer_info(struct seq_file *m, void *data) |
| 307 | { |
| 308 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 309 | struct drm_device *dev = node->minor->dev; |
| 310 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 311 | unsigned int head, tail, mask; |
| 312 | |
| 313 | head = I915_READ(PRB0_HEAD) & HEAD_ADDR; |
| 314 | tail = I915_READ(PRB0_TAIL) & TAIL_ADDR; |
| 315 | mask = dev_priv->ring.tail_mask; |
| 316 | |
| 317 | seq_printf(m, "RingHead : %08x\n", head); |
| 318 | seq_printf(m, "RingTail : %08x\n", tail); |
| 319 | seq_printf(m, "RingMask : %08x\n", mask); |
| 320 | seq_printf(m, "RingSize : %08lx\n", dev_priv->ring.Size); |
Ben Gamari | 76cff81 | 2009-06-10 18:26:20 -0400 | [diff] [blame^] | 321 | seq_printf(m, "Acthd : %08x\n", I915_READ(IS_I965G(dev) ? ACTHD_I965 : ACTHD)); |
Ben Gamari | 6911a9b | 2009-04-02 11:24:54 -0700 | [diff] [blame] | 322 | |
| 323 | return 0; |
| 324 | } |
| 325 | |
| 326 | |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 327 | static struct drm_info_list i915_gem_debugfs_list[] = { |
Ben Gamari | 433e12f | 2009-02-17 20:08:51 -0500 | [diff] [blame] | 328 | {"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST}, |
| 329 | {"i915_gem_flushing", i915_gem_object_list_info, 0, (void *) FLUSHING_LIST}, |
| 330 | {"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST}, |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 331 | {"i915_gem_request", i915_gem_request_info, 0}, |
| 332 | {"i915_gem_seqno", i915_gem_seqno_info, 0}, |
Chris Wilson | a6172a8 | 2009-02-11 14:26:38 +0000 | [diff] [blame] | 333 | {"i915_gem_fence_regs", i915_gem_fence_regs_info, 0}, |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 334 | {"i915_gem_interrupt", i915_interrupt_info, 0}, |
| 335 | {"i915_gem_hws", i915_hws_info, 0}, |
Ben Gamari | 6911a9b | 2009-04-02 11:24:54 -0700 | [diff] [blame] | 336 | {"i915_ringbuffer_data", i915_ringbuffer_data, 0}, |
| 337 | {"i915_ringbuffer_info", i915_ringbuffer_info, 0}, |
| 338 | {"i915_batchbuffers", i915_batchbuffer_info, 0}, |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 339 | }; |
| 340 | #define I915_GEM_DEBUGFS_ENTRIES ARRAY_SIZE(i915_gem_debugfs_list) |
| 341 | |
| 342 | int i915_gem_debugfs_init(struct drm_minor *minor) |
| 343 | { |
| 344 | return drm_debugfs_create_files(i915_gem_debugfs_list, |
| 345 | I915_GEM_DEBUGFS_ENTRIES, |
| 346 | minor->debugfs_root, minor); |
| 347 | } |
| 348 | |
| 349 | void i915_gem_debugfs_cleanup(struct drm_minor *minor) |
| 350 | { |
| 351 | drm_debugfs_remove_files(i915_gem_debugfs_list, |
| 352 | I915_GEM_DEBUGFS_ENTRIES, minor); |
| 353 | } |
| 354 | |
| 355 | #endif /* CONFIG_DEBUG_FS */ |
| 356 | |