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> |
Chris Wilson | f3cd474 | 2009-10-13 22:20:20 +0100 | [diff] [blame] | 30 | #include <linux/debugfs.h> |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 31 | #include "drmP.h" |
| 32 | #include "drm.h" |
| 33 | #include "i915_drm.h" |
| 34 | #include "i915_drv.h" |
| 35 | |
| 36 | #define DRM_I915_RING_DEBUG 1 |
| 37 | |
| 38 | |
| 39 | #if defined(CONFIG_DEBUG_FS) |
| 40 | |
Ben Gamari | 433e12f | 2009-02-17 20:08:51 -0500 | [diff] [blame] | 41 | #define ACTIVE_LIST 1 |
| 42 | #define FLUSHING_LIST 2 |
| 43 | #define INACTIVE_LIST 3 |
| 44 | |
Chris Wilson | a6172a8 | 2009-02-11 14:26:38 +0000 | [diff] [blame] | 45 | static const char *get_pin_flag(struct drm_i915_gem_object *obj_priv) |
| 46 | { |
| 47 | if (obj_priv->user_pin_count > 0) |
| 48 | return "P"; |
| 49 | else if (obj_priv->pin_count > 0) |
| 50 | return "p"; |
| 51 | else |
| 52 | return " "; |
| 53 | } |
| 54 | |
| 55 | static const char *get_tiling_flag(struct drm_i915_gem_object *obj_priv) |
| 56 | { |
| 57 | switch (obj_priv->tiling_mode) { |
| 58 | default: |
| 59 | case I915_TILING_NONE: return " "; |
| 60 | case I915_TILING_X: return "X"; |
| 61 | case I915_TILING_Y: return "Y"; |
| 62 | } |
| 63 | } |
| 64 | |
Ben Gamari | 433e12f | 2009-02-17 20:08:51 -0500 | [diff] [blame] | 65 | 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] | 66 | { |
| 67 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
Ben Gamari | 433e12f | 2009-02-17 20:08:51 -0500 | [diff] [blame] | 68 | uintptr_t list = (uintptr_t) node->info_ent->data; |
| 69 | struct list_head *head; |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 70 | struct drm_device *dev = node->minor->dev; |
| 71 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 72 | struct drm_i915_gem_object *obj_priv; |
Carl Worth | 5e118f4 | 2009-03-20 11:54:25 -0700 | [diff] [blame] | 73 | spinlock_t *lock = NULL; |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 74 | |
Ben Gamari | 433e12f | 2009-02-17 20:08:51 -0500 | [diff] [blame] | 75 | switch (list) { |
| 76 | case ACTIVE_LIST: |
| 77 | seq_printf(m, "Active:\n"); |
Carl Worth | 5e118f4 | 2009-03-20 11:54:25 -0700 | [diff] [blame] | 78 | lock = &dev_priv->mm.active_list_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: |
Ben Gamari | a17458f | 2009-07-01 15:01:36 -0400 | [diff] [blame] | 82 | seq_printf(m, "Inactive:\n"); |
Ben Gamari | 433e12f | 2009-02-17 20:08:51 -0500 | [diff] [blame] | 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 | |
Ben Gamari | a17458f | 2009-07-01 15:01:36 -0400 | [diff] [blame] | 94 | if (lock) |
| 95 | spin_lock(lock); |
Ben Gamari | 433e12f | 2009-02-17 20:08:51 -0500 | [diff] [blame] | 96 | list_for_each_entry(obj_priv, head, list) |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 97 | { |
| 98 | struct drm_gem_object *obj = obj_priv->obj; |
Eric Anholt | f4ceda8 | 2009-02-17 23:53:41 -0800 | [diff] [blame] | 99 | |
Chris Wilson | fcffb94 | 2009-12-02 16:48:57 +0000 | [diff] [blame] | 100 | seq_printf(m, " %p: %s %8zd %08x %08x %d%s%s", |
Eric Anholt | f4ceda8 | 2009-02-17 23:53:41 -0800 | [diff] [blame] | 101 | obj, |
Chris Wilson | a6172a8 | 2009-02-11 14:26:38 +0000 | [diff] [blame] | 102 | get_pin_flag(obj_priv), |
Chris Wilson | 725ceaa | 2009-09-14 16:50:27 +0100 | [diff] [blame] | 103 | obj->size, |
Eric Anholt | f4ceda8 | 2009-02-17 23:53:41 -0800 | [diff] [blame] | 104 | obj->read_domains, obj->write_domain, |
Chris Wilson | 725ceaa | 2009-09-14 16:50:27 +0100 | [diff] [blame] | 105 | obj_priv->last_rendering_seqno, |
Chris Wilson | fcffb94 | 2009-12-02 16:48:57 +0000 | [diff] [blame] | 106 | obj_priv->dirty ? " dirty" : "", |
| 107 | obj_priv->madv == I915_MADV_DONTNEED ? " purgeable" : ""); |
Eric Anholt | f4ceda8 | 2009-02-17 23:53:41 -0800 | [diff] [blame] | 108 | |
| 109 | if (obj->name) |
| 110 | seq_printf(m, " (name: %d)", obj->name); |
| 111 | if (obj_priv->fence_reg != I915_FENCE_REG_NONE) |
Ben Gamari | a01c75b | 2009-07-01 15:01:35 -0400 | [diff] [blame] | 112 | seq_printf(m, " (fence: %d)", obj_priv->fence_reg); |
| 113 | if (obj_priv->gtt_space != NULL) |
| 114 | seq_printf(m, " (gtt_offset: %08x)", obj_priv->gtt_offset); |
| 115 | |
Eric Anholt | f4ceda8 | 2009-02-17 23:53:41 -0800 | [diff] [blame] | 116 | seq_printf(m, "\n"); |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 117 | } |
Carl Worth | 5e118f4 | 2009-03-20 11:54:25 -0700 | [diff] [blame] | 118 | |
| 119 | if (lock) |
| 120 | spin_unlock(lock); |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 121 | return 0; |
| 122 | } |
| 123 | |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 124 | static int i915_gem_request_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 | struct drm_i915_gem_request *gem_request; |
| 130 | |
| 131 | seq_printf(m, "Request:\n"); |
| 132 | list_for_each_entry(gem_request, &dev_priv->mm.request_list, list) { |
| 133 | seq_printf(m, " %d @ %d\n", |
| 134 | gem_request->seqno, |
| 135 | (int) (jiffies - gem_request->emitted_jiffies)); |
| 136 | } |
| 137 | return 0; |
| 138 | } |
| 139 | |
| 140 | static int i915_gem_seqno_info(struct seq_file *m, void *data) |
| 141 | { |
| 142 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 143 | struct drm_device *dev = node->minor->dev; |
| 144 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 145 | |
| 146 | if (dev_priv->hw_status_page != NULL) { |
| 147 | seq_printf(m, "Current sequence: %d\n", |
| 148 | i915_get_gem_seqno(dev)); |
| 149 | } else { |
| 150 | seq_printf(m, "Current sequence: hws uninitialized\n"); |
| 151 | } |
| 152 | seq_printf(m, "Waiter sequence: %d\n", |
| 153 | dev_priv->mm.waiting_gem_seqno); |
| 154 | seq_printf(m, "IRQ sequence: %d\n", dev_priv->mm.irq_gem_seqno); |
| 155 | return 0; |
| 156 | } |
| 157 | |
| 158 | |
| 159 | static int i915_interrupt_info(struct seq_file *m, void *data) |
| 160 | { |
| 161 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 162 | struct drm_device *dev = node->minor->dev; |
| 163 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 164 | |
Adam Jackson | f2b115e | 2009-12-03 17:14:42 -0500 | [diff] [blame] | 165 | if (!IS_IRONLAKE(dev)) { |
Zhenyu Wang | 5f6a169 | 2009-08-10 21:37:24 +0800 | [diff] [blame] | 166 | seq_printf(m, "Interrupt enable: %08x\n", |
| 167 | I915_READ(IER)); |
| 168 | seq_printf(m, "Interrupt identity: %08x\n", |
| 169 | I915_READ(IIR)); |
| 170 | seq_printf(m, "Interrupt mask: %08x\n", |
| 171 | I915_READ(IMR)); |
| 172 | seq_printf(m, "Pipe A stat: %08x\n", |
| 173 | I915_READ(PIPEASTAT)); |
| 174 | seq_printf(m, "Pipe B stat: %08x\n", |
| 175 | I915_READ(PIPEBSTAT)); |
| 176 | } else { |
| 177 | seq_printf(m, "North Display Interrupt enable: %08x\n", |
| 178 | I915_READ(DEIER)); |
| 179 | seq_printf(m, "North Display Interrupt identity: %08x\n", |
| 180 | I915_READ(DEIIR)); |
| 181 | seq_printf(m, "North Display Interrupt mask: %08x\n", |
| 182 | I915_READ(DEIMR)); |
| 183 | seq_printf(m, "South Display Interrupt enable: %08x\n", |
| 184 | I915_READ(SDEIER)); |
| 185 | seq_printf(m, "South Display Interrupt identity: %08x\n", |
| 186 | I915_READ(SDEIIR)); |
| 187 | seq_printf(m, "South Display Interrupt mask: %08x\n", |
| 188 | I915_READ(SDEIMR)); |
| 189 | seq_printf(m, "Graphics Interrupt enable: %08x\n", |
| 190 | I915_READ(GTIER)); |
| 191 | seq_printf(m, "Graphics Interrupt identity: %08x\n", |
| 192 | I915_READ(GTIIR)); |
| 193 | seq_printf(m, "Graphics Interrupt mask: %08x\n", |
| 194 | I915_READ(GTIMR)); |
| 195 | } |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 196 | seq_printf(m, "Interrupts received: %d\n", |
| 197 | atomic_read(&dev_priv->irq_received)); |
| 198 | if (dev_priv->hw_status_page != NULL) { |
| 199 | seq_printf(m, "Current sequence: %d\n", |
| 200 | i915_get_gem_seqno(dev)); |
| 201 | } else { |
| 202 | seq_printf(m, "Current sequence: hws uninitialized\n"); |
| 203 | } |
| 204 | seq_printf(m, "Waiter sequence: %d\n", |
| 205 | dev_priv->mm.waiting_gem_seqno); |
| 206 | seq_printf(m, "IRQ sequence: %d\n", |
| 207 | dev_priv->mm.irq_gem_seqno); |
| 208 | return 0; |
| 209 | } |
| 210 | |
Chris Wilson | a6172a8 | 2009-02-11 14:26:38 +0000 | [diff] [blame] | 211 | static int i915_gem_fence_regs_info(struct seq_file *m, void *data) |
| 212 | { |
| 213 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 214 | struct drm_device *dev = node->minor->dev; |
| 215 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 216 | int i; |
| 217 | |
| 218 | seq_printf(m, "Reserved fences = %d\n", dev_priv->fence_reg_start); |
| 219 | seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs); |
| 220 | for (i = 0; i < dev_priv->num_fence_regs; i++) { |
| 221 | struct drm_gem_object *obj = dev_priv->fence_regs[i].obj; |
| 222 | |
| 223 | if (obj == NULL) { |
| 224 | seq_printf(m, "Fenced object[%2d] = unused\n", i); |
| 225 | } else { |
| 226 | struct drm_i915_gem_object *obj_priv; |
| 227 | |
| 228 | obj_priv = obj->driver_private; |
| 229 | seq_printf(m, "Fenced object[%2d] = %p: %s " |
Linus Torvalds | 0b4d569 | 2009-03-27 17:02:09 -0700 | [diff] [blame] | 230 | "%08x %08zx %08x %s %08x %08x %d", |
Chris Wilson | a6172a8 | 2009-02-11 14:26:38 +0000 | [diff] [blame] | 231 | i, obj, get_pin_flag(obj_priv), |
| 232 | obj_priv->gtt_offset, |
| 233 | obj->size, obj_priv->stride, |
| 234 | get_tiling_flag(obj_priv), |
| 235 | obj->read_domains, obj->write_domain, |
| 236 | obj_priv->last_rendering_seqno); |
| 237 | if (obj->name) |
| 238 | seq_printf(m, " (name: %d)", obj->name); |
| 239 | seq_printf(m, "\n"); |
| 240 | } |
| 241 | } |
| 242 | |
| 243 | return 0; |
| 244 | } |
| 245 | |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 246 | static int i915_hws_info(struct seq_file *m, void *data) |
| 247 | { |
| 248 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 249 | struct drm_device *dev = node->minor->dev; |
| 250 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 251 | int i; |
| 252 | volatile u32 *hws; |
| 253 | |
| 254 | hws = (volatile u32 *)dev_priv->hw_status_page; |
| 255 | if (hws == NULL) |
| 256 | return 0; |
| 257 | |
| 258 | for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) { |
| 259 | seq_printf(m, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n", |
| 260 | i * 4, |
| 261 | hws[i], hws[i + 1], hws[i + 2], hws[i + 3]); |
| 262 | } |
| 263 | return 0; |
| 264 | } |
| 265 | |
Ben Gamari | 6911a9b | 2009-04-02 11:24:54 -0700 | [diff] [blame] | 266 | static void i915_dump_pages(struct seq_file *m, struct page **pages, int page_count) |
| 267 | { |
| 268 | int page, i; |
| 269 | uint32_t *mem; |
| 270 | |
| 271 | for (page = 0; page < page_count; page++) { |
Chris Wilson | ba86bf8 | 2009-10-20 16:29:16 +0000 | [diff] [blame] | 272 | mem = kmap_atomic(pages[page], KM_USER0); |
Ben Gamari | 6911a9b | 2009-04-02 11:24:54 -0700 | [diff] [blame] | 273 | for (i = 0; i < PAGE_SIZE; i += 4) |
| 274 | seq_printf(m, "%08x : %08x\n", i, mem[i / 4]); |
Eric Anholt | 656cb79 | 2009-12-14 13:12:45 -0800 | [diff] [blame] | 275 | kunmap_atomic(mem, KM_USER0); |
Ben Gamari | 6911a9b | 2009-04-02 11:24:54 -0700 | [diff] [blame] | 276 | } |
| 277 | } |
| 278 | |
| 279 | static int i915_batchbuffer_info(struct seq_file *m, void *data) |
| 280 | { |
| 281 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 282 | struct drm_device *dev = node->minor->dev; |
| 283 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 284 | struct drm_gem_object *obj; |
| 285 | struct drm_i915_gem_object *obj_priv; |
| 286 | int ret; |
| 287 | |
| 288 | spin_lock(&dev_priv->mm.active_list_lock); |
| 289 | |
| 290 | list_for_each_entry(obj_priv, &dev_priv->mm.active_list, list) { |
| 291 | obj = obj_priv->obj; |
| 292 | if (obj->read_domains & I915_GEM_DOMAIN_COMMAND) { |
Chris Wilson | 4bdadb9 | 2010-01-27 13:36:32 +0000 | [diff] [blame] | 293 | ret = i915_gem_object_get_pages(obj, 0); |
Ben Gamari | 6911a9b | 2009-04-02 11:24:54 -0700 | [diff] [blame] | 294 | if (ret) { |
| 295 | DRM_ERROR("Failed to get pages: %d\n", ret); |
| 296 | spin_unlock(&dev_priv->mm.active_list_lock); |
| 297 | return ret; |
| 298 | } |
| 299 | |
| 300 | seq_printf(m, "--- gtt_offset = 0x%08x\n", obj_priv->gtt_offset); |
| 301 | i915_dump_pages(m, obj_priv->pages, obj->size / PAGE_SIZE); |
| 302 | |
| 303 | i915_gem_object_put_pages(obj); |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | spin_unlock(&dev_priv->mm.active_list_lock); |
| 308 | |
| 309 | return 0; |
| 310 | } |
| 311 | |
| 312 | static int i915_ringbuffer_data(struct seq_file *m, void *data) |
| 313 | { |
| 314 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 315 | struct drm_device *dev = node->minor->dev; |
| 316 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 317 | u8 *virt; |
| 318 | uint32_t *ptr, off; |
| 319 | |
| 320 | if (!dev_priv->ring.ring_obj) { |
| 321 | seq_printf(m, "No ringbuffer setup\n"); |
| 322 | return 0; |
| 323 | } |
| 324 | |
| 325 | virt = dev_priv->ring.virtual_start; |
| 326 | |
| 327 | for (off = 0; off < dev_priv->ring.Size; off += 4) { |
| 328 | ptr = (uint32_t *)(virt + off); |
| 329 | seq_printf(m, "%08x : %08x\n", off, *ptr); |
| 330 | } |
| 331 | |
| 332 | return 0; |
| 333 | } |
| 334 | |
| 335 | static int i915_ringbuffer_info(struct seq_file *m, void *data) |
| 336 | { |
| 337 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 338 | struct drm_device *dev = node->minor->dev; |
| 339 | drm_i915_private_t *dev_priv = dev->dev_private; |
Chris Wilson | 0ef82af | 2009-09-05 18:07:06 +0100 | [diff] [blame] | 340 | unsigned int head, tail; |
Ben Gamari | 6911a9b | 2009-04-02 11:24:54 -0700 | [diff] [blame] | 341 | |
| 342 | head = I915_READ(PRB0_HEAD) & HEAD_ADDR; |
| 343 | tail = I915_READ(PRB0_TAIL) & TAIL_ADDR; |
Ben Gamari | 6911a9b | 2009-04-02 11:24:54 -0700 | [diff] [blame] | 344 | |
| 345 | seq_printf(m, "RingHead : %08x\n", head); |
| 346 | seq_printf(m, "RingTail : %08x\n", tail); |
Ben Gamari | 6911a9b | 2009-04-02 11:24:54 -0700 | [diff] [blame] | 347 | seq_printf(m, "RingSize : %08lx\n", dev_priv->ring.Size); |
Ben Gamari | 76cff81 | 2009-06-10 18:26:20 -0400 | [diff] [blame] | 348 | 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] | 349 | |
| 350 | return 0; |
| 351 | } |
| 352 | |
Chris Wilson | 9df3079 | 2010-02-18 10:24:56 +0000 | [diff] [blame^] | 353 | static const char *pin_flag(int pinned) |
| 354 | { |
| 355 | if (pinned > 0) |
| 356 | return " P"; |
| 357 | else if (pinned < 0) |
| 358 | return " p"; |
| 359 | else |
| 360 | return ""; |
| 361 | } |
| 362 | |
| 363 | static const char *tiling_flag(int tiling) |
| 364 | { |
| 365 | switch (tiling) { |
| 366 | default: |
| 367 | case I915_TILING_NONE: return ""; |
| 368 | case I915_TILING_X: return " X"; |
| 369 | case I915_TILING_Y: return " Y"; |
| 370 | } |
| 371 | } |
| 372 | |
| 373 | static const char *dirty_flag(int dirty) |
| 374 | { |
| 375 | return dirty ? " dirty" : ""; |
| 376 | } |
| 377 | |
| 378 | static const char *purgeable_flag(int purgeable) |
| 379 | { |
| 380 | return purgeable ? " purgeable" : ""; |
| 381 | } |
| 382 | |
Jesse Barnes | 63eeaf3 | 2009-06-18 16:56:52 -0700 | [diff] [blame] | 383 | static int i915_error_state(struct seq_file *m, void *unused) |
| 384 | { |
| 385 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 386 | struct drm_device *dev = node->minor->dev; |
| 387 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 388 | struct drm_i915_error_state *error; |
| 389 | unsigned long flags; |
Chris Wilson | 9df3079 | 2010-02-18 10:24:56 +0000 | [diff] [blame^] | 390 | int i, page, offset, elt; |
Jesse Barnes | 63eeaf3 | 2009-06-18 16:56:52 -0700 | [diff] [blame] | 391 | |
| 392 | spin_lock_irqsave(&dev_priv->error_lock, flags); |
| 393 | if (!dev_priv->first_error) { |
| 394 | seq_printf(m, "no error state collected\n"); |
| 395 | goto out; |
| 396 | } |
| 397 | |
| 398 | error = dev_priv->first_error; |
| 399 | |
Jesse Barnes | 8a90523 | 2009-07-11 16:48:03 -0400 | [diff] [blame] | 400 | seq_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec, |
| 401 | error->time.tv_usec); |
Chris Wilson | 9df3079 | 2010-02-18 10:24:56 +0000 | [diff] [blame^] | 402 | seq_printf(m, "PCI ID: 0x%04x\n", dev->pci_device); |
Jesse Barnes | 63eeaf3 | 2009-06-18 16:56:52 -0700 | [diff] [blame] | 403 | seq_printf(m, "EIR: 0x%08x\n", error->eir); |
| 404 | seq_printf(m, " PGTBL_ER: 0x%08x\n", error->pgtbl_er); |
| 405 | seq_printf(m, " INSTPM: 0x%08x\n", error->instpm); |
| 406 | seq_printf(m, " IPEIR: 0x%08x\n", error->ipeir); |
| 407 | seq_printf(m, " IPEHR: 0x%08x\n", error->ipehr); |
| 408 | seq_printf(m, " INSTDONE: 0x%08x\n", error->instdone); |
| 409 | seq_printf(m, " ACTHD: 0x%08x\n", error->acthd); |
| 410 | if (IS_I965G(dev)) { |
| 411 | seq_printf(m, " INSTPS: 0x%08x\n", error->instps); |
| 412 | seq_printf(m, " INSTDONE1: 0x%08x\n", error->instdone1); |
| 413 | } |
Chris Wilson | 9df3079 | 2010-02-18 10:24:56 +0000 | [diff] [blame^] | 414 | seq_printf(m, "seqno: 0x%08x\n", error->seqno); |
| 415 | |
| 416 | if (error->active_bo_count) { |
| 417 | seq_printf(m, "Buffers [%d]:\n", error->active_bo_count); |
| 418 | |
| 419 | for (i = 0; i < error->active_bo_count; i++) { |
| 420 | seq_printf(m, " %08x %8zd %08x %08x %08x%s%s%s%s", |
| 421 | error->active_bo[i].gtt_offset, |
| 422 | error->active_bo[i].size, |
| 423 | error->active_bo[i].read_domains, |
| 424 | error->active_bo[i].write_domain, |
| 425 | error->active_bo[i].seqno, |
| 426 | pin_flag(error->active_bo[i].pinned), |
| 427 | tiling_flag(error->active_bo[i].tiling), |
| 428 | dirty_flag(error->active_bo[i].dirty), |
| 429 | purgeable_flag(error->active_bo[i].purgeable)); |
| 430 | |
| 431 | if (error->active_bo[i].name) |
| 432 | seq_printf(m, " (name: %d)", error->active_bo[i].name); |
| 433 | if (error->active_bo[i].fence_reg != I915_FENCE_REG_NONE) |
| 434 | seq_printf(m, " (fence: %d)", error->active_bo[i].fence_reg); |
| 435 | |
| 436 | seq_printf(m, "\n"); |
| 437 | } |
| 438 | } |
| 439 | |
| 440 | for (i = 0; i < ARRAY_SIZE(error->batchbuffer); i++) { |
| 441 | if (error->batchbuffer[i]) { |
| 442 | struct drm_i915_error_object *obj = error->batchbuffer[i]; |
| 443 | |
| 444 | seq_printf(m, "--- gtt_offset = 0x%08x\n", obj->gtt_offset); |
| 445 | offset = 0; |
| 446 | for (page = 0; page < obj->page_count; page++) { |
| 447 | for (elt = 0; elt < PAGE_SIZE/4; elt++) { |
| 448 | seq_printf(m, "%08x : %08x\n", offset, obj->pages[page][elt]); |
| 449 | offset += 4; |
| 450 | } |
| 451 | } |
| 452 | } |
| 453 | } |
| 454 | |
| 455 | if (error->ringbuffer) { |
| 456 | struct drm_i915_error_object *obj = error->ringbuffer; |
| 457 | |
| 458 | seq_printf(m, "--- ringbuffer = 0x%08x\n", obj->gtt_offset); |
| 459 | offset = 0; |
| 460 | for (page = 0; page < obj->page_count; page++) { |
| 461 | for (elt = 0; elt < PAGE_SIZE/4; elt++) { |
| 462 | seq_printf(m, "%08x : %08x\n", offset, obj->pages[page][elt]); |
| 463 | offset += 4; |
| 464 | } |
| 465 | } |
| 466 | } |
Jesse Barnes | 63eeaf3 | 2009-06-18 16:56:52 -0700 | [diff] [blame] | 467 | |
| 468 | out: |
| 469 | spin_unlock_irqrestore(&dev_priv->error_lock, flags); |
| 470 | |
| 471 | return 0; |
| 472 | } |
Ben Gamari | 6911a9b | 2009-04-02 11:24:54 -0700 | [diff] [blame] | 473 | |
Jesse Barnes | f97108d | 2010-01-29 11:27:07 -0800 | [diff] [blame] | 474 | static int i915_rstdby_delays(struct seq_file *m, void *unused) |
| 475 | { |
| 476 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 477 | struct drm_device *dev = node->minor->dev; |
| 478 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 479 | u16 crstanddelay = I915_READ16(CRSTANDVID); |
| 480 | |
| 481 | seq_printf(m, "w/ctx: %d, w/o ctx: %d\n", (crstanddelay >> 8) & 0x3f, (crstanddelay & 0x3f)); |
| 482 | |
| 483 | return 0; |
| 484 | } |
| 485 | |
| 486 | static int i915_cur_delayinfo(struct seq_file *m, void *unused) |
| 487 | { |
| 488 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 489 | struct drm_device *dev = node->minor->dev; |
| 490 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 491 | u16 rgvswctl = I915_READ16(MEMSWCTL); |
| 492 | |
| 493 | seq_printf(m, "Last command: 0x%01x\n", (rgvswctl >> 13) & 0x3); |
| 494 | seq_printf(m, "Command status: %d\n", (rgvswctl >> 12) & 1); |
| 495 | seq_printf(m, "P%d DELAY 0x%02x\n", (rgvswctl >> 8) & 0xf, |
| 496 | rgvswctl & 0x3f); |
| 497 | |
| 498 | return 0; |
| 499 | } |
| 500 | |
| 501 | static int i915_delayfreq_table(struct seq_file *m, void *unused) |
| 502 | { |
| 503 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 504 | struct drm_device *dev = node->minor->dev; |
| 505 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 506 | u32 delayfreq; |
| 507 | int i; |
| 508 | |
| 509 | for (i = 0; i < 16; i++) { |
| 510 | delayfreq = I915_READ(PXVFREQ_BASE + i * 4); |
| 511 | seq_printf(m, "P%02dVIDFREQ: 0x%08x\n", i, delayfreq); |
| 512 | } |
| 513 | |
| 514 | return 0; |
| 515 | } |
| 516 | |
| 517 | static inline int MAP_TO_MV(int map) |
| 518 | { |
| 519 | return 1250 - (map * 25); |
| 520 | } |
| 521 | |
| 522 | static int i915_inttoext_table(struct seq_file *m, void *unused) |
| 523 | { |
| 524 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 525 | struct drm_device *dev = node->minor->dev; |
| 526 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 527 | u32 inttoext; |
| 528 | int i; |
| 529 | |
| 530 | for (i = 1; i <= 32; i++) { |
| 531 | inttoext = I915_READ(INTTOEXT_BASE_ILK + i * 4); |
| 532 | seq_printf(m, "INTTOEXT%02d: 0x%08x\n", i, inttoext); |
| 533 | } |
| 534 | |
| 535 | return 0; |
| 536 | } |
| 537 | |
| 538 | static int i915_drpc_info(struct seq_file *m, void *unused) |
| 539 | { |
| 540 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 541 | struct drm_device *dev = node->minor->dev; |
| 542 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 543 | u32 rgvmodectl = I915_READ(MEMMODECTL); |
| 544 | |
| 545 | seq_printf(m, "HD boost: %s\n", (rgvmodectl & MEMMODE_BOOST_EN) ? |
| 546 | "yes" : "no"); |
| 547 | seq_printf(m, "Boost freq: %d\n", |
| 548 | (rgvmodectl & MEMMODE_BOOST_FREQ_MASK) >> |
| 549 | MEMMODE_BOOST_FREQ_SHIFT); |
| 550 | seq_printf(m, "HW control enabled: %s\n", |
| 551 | rgvmodectl & MEMMODE_HWIDLE_EN ? "yes" : "no"); |
| 552 | seq_printf(m, "SW control enabled: %s\n", |
| 553 | rgvmodectl & MEMMODE_SWMODE_EN ? "yes" : "no"); |
| 554 | seq_printf(m, "Gated voltage change: %s\n", |
| 555 | rgvmodectl & MEMMODE_RCLK_GATE ? "yes" : "no"); |
| 556 | seq_printf(m, "Starting frequency: P%d\n", |
| 557 | (rgvmodectl & MEMMODE_FSTART_MASK) >> MEMMODE_FSTART_SHIFT); |
| 558 | seq_printf(m, "Max frequency: P%d\n", |
| 559 | (rgvmodectl & MEMMODE_FMAX_MASK) >> MEMMODE_FMAX_SHIFT); |
| 560 | seq_printf(m, "Min frequency: P%d\n", (rgvmodectl & MEMMODE_FMIN_MASK)); |
| 561 | |
| 562 | return 0; |
| 563 | } |
| 564 | |
Jesse Barnes | b5e50c3 | 2010-02-05 12:42:41 -0800 | [diff] [blame] | 565 | static int i915_fbc_status(struct seq_file *m, void *unused) |
| 566 | { |
| 567 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 568 | struct drm_device *dev = node->minor->dev; |
| 569 | struct drm_crtc *crtc; |
| 570 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 571 | bool fbc_enabled = false; |
| 572 | |
| 573 | if (!dev_priv->display.fbc_enabled) { |
| 574 | seq_printf(m, "FBC unsupported on this chipset\n"); |
| 575 | return 0; |
| 576 | } |
| 577 | |
| 578 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
| 579 | if (!crtc->enabled) |
| 580 | continue; |
| 581 | if (dev_priv->display.fbc_enabled(crtc)) |
| 582 | fbc_enabled = true; |
| 583 | } |
| 584 | |
| 585 | if (fbc_enabled) { |
| 586 | seq_printf(m, "FBC enabled\n"); |
| 587 | } else { |
| 588 | seq_printf(m, "FBC disabled: "); |
| 589 | switch (dev_priv->no_fbc_reason) { |
| 590 | case FBC_STOLEN_TOO_SMALL: |
| 591 | seq_printf(m, "not enough stolen memory"); |
| 592 | break; |
| 593 | case FBC_UNSUPPORTED_MODE: |
| 594 | seq_printf(m, "mode not supported"); |
| 595 | break; |
| 596 | case FBC_MODE_TOO_LARGE: |
| 597 | seq_printf(m, "mode too large"); |
| 598 | break; |
| 599 | case FBC_BAD_PLANE: |
| 600 | seq_printf(m, "FBC unsupported on plane"); |
| 601 | break; |
| 602 | case FBC_NOT_TILED: |
| 603 | seq_printf(m, "scanout buffer not tiled"); |
| 604 | break; |
| 605 | default: |
| 606 | seq_printf(m, "unknown reason"); |
| 607 | } |
| 608 | seq_printf(m, "\n"); |
| 609 | } |
| 610 | return 0; |
| 611 | } |
| 612 | |
Jesse Barnes | 4a9bef3 | 2010-02-05 12:47:35 -0800 | [diff] [blame] | 613 | static int i915_sr_status(struct seq_file *m, void *unused) |
| 614 | { |
| 615 | struct drm_info_node *node = (struct drm_info_node *) m->private; |
| 616 | struct drm_device *dev = node->minor->dev; |
| 617 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 618 | bool sr_enabled = false; |
| 619 | |
| 620 | if (IS_I965G(dev) || IS_I945G(dev) || IS_I945GM(dev)) |
| 621 | sr_enabled = I915_READ(FW_BLC_SELF) & FW_BLC_SELF_EN; |
| 622 | else if (IS_I915GM(dev)) |
| 623 | sr_enabled = I915_READ(INSTPM) & INSTPM_SELF_EN; |
| 624 | else if (IS_PINEVIEW(dev)) |
| 625 | sr_enabled = I915_READ(DSPFW3) & PINEVIEW_SELF_REFRESH_EN; |
| 626 | |
| 627 | seq_printf(m, "self-refresh: %s\n", sr_enabled ? "enabled" : |
| 628 | "disabled"); |
| 629 | |
| 630 | return 0; |
| 631 | } |
| 632 | |
Chris Wilson | f3cd474 | 2009-10-13 22:20:20 +0100 | [diff] [blame] | 633 | static int |
| 634 | i915_wedged_open(struct inode *inode, |
| 635 | struct file *filp) |
| 636 | { |
| 637 | filp->private_data = inode->i_private; |
| 638 | return 0; |
| 639 | } |
| 640 | |
| 641 | static ssize_t |
| 642 | i915_wedged_read(struct file *filp, |
| 643 | char __user *ubuf, |
| 644 | size_t max, |
| 645 | loff_t *ppos) |
| 646 | { |
| 647 | struct drm_device *dev = filp->private_data; |
| 648 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 649 | char buf[80]; |
| 650 | int len; |
| 651 | |
| 652 | len = snprintf(buf, sizeof (buf), |
| 653 | "wedged : %d\n", |
| 654 | atomic_read(&dev_priv->mm.wedged)); |
| 655 | |
| 656 | return simple_read_from_buffer(ubuf, max, ppos, buf, len); |
| 657 | } |
| 658 | |
| 659 | static ssize_t |
| 660 | i915_wedged_write(struct file *filp, |
| 661 | const char __user *ubuf, |
| 662 | size_t cnt, |
| 663 | loff_t *ppos) |
| 664 | { |
| 665 | struct drm_device *dev = filp->private_data; |
| 666 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 667 | char buf[20]; |
| 668 | int val = 1; |
| 669 | |
| 670 | if (cnt > 0) { |
| 671 | if (cnt > sizeof (buf) - 1) |
| 672 | return -EINVAL; |
| 673 | |
| 674 | if (copy_from_user(buf, ubuf, cnt)) |
| 675 | return -EFAULT; |
| 676 | buf[cnt] = 0; |
| 677 | |
| 678 | val = simple_strtoul(buf, NULL, 0); |
| 679 | } |
| 680 | |
| 681 | DRM_INFO("Manually setting wedged to %d\n", val); |
| 682 | |
| 683 | atomic_set(&dev_priv->mm.wedged, val); |
| 684 | if (val) { |
| 685 | DRM_WAKEUP(&dev_priv->irq_queue); |
| 686 | queue_work(dev_priv->wq, &dev_priv->error_work); |
| 687 | } |
| 688 | |
| 689 | return cnt; |
| 690 | } |
| 691 | |
| 692 | static const struct file_operations i915_wedged_fops = { |
| 693 | .owner = THIS_MODULE, |
| 694 | .open = i915_wedged_open, |
| 695 | .read = i915_wedged_read, |
| 696 | .write = i915_wedged_write, |
| 697 | }; |
| 698 | |
| 699 | /* As the drm_debugfs_init() routines are called before dev->dev_private is |
| 700 | * allocated we need to hook into the minor for release. */ |
| 701 | static int |
| 702 | drm_add_fake_info_node(struct drm_minor *minor, |
| 703 | struct dentry *ent, |
| 704 | const void *key) |
| 705 | { |
| 706 | struct drm_info_node *node; |
| 707 | |
| 708 | node = kmalloc(sizeof(struct drm_info_node), GFP_KERNEL); |
| 709 | if (node == NULL) { |
| 710 | debugfs_remove(ent); |
| 711 | return -ENOMEM; |
| 712 | } |
| 713 | |
| 714 | node->minor = minor; |
| 715 | node->dent = ent; |
| 716 | node->info_ent = (void *) key; |
| 717 | list_add(&node->list, &minor->debugfs_nodes.list); |
| 718 | |
| 719 | return 0; |
| 720 | } |
| 721 | |
| 722 | static int i915_wedged_create(struct dentry *root, struct drm_minor *minor) |
| 723 | { |
| 724 | struct drm_device *dev = minor->dev; |
| 725 | struct dentry *ent; |
| 726 | |
| 727 | ent = debugfs_create_file("i915_wedged", |
| 728 | S_IRUGO | S_IWUSR, |
| 729 | root, dev, |
| 730 | &i915_wedged_fops); |
| 731 | if (IS_ERR(ent)) |
| 732 | return PTR_ERR(ent); |
| 733 | |
| 734 | return drm_add_fake_info_node(minor, ent, &i915_wedged_fops); |
| 735 | } |
Ben Gamari | 9e3a6d1 | 2009-07-01 22:26:53 -0400 | [diff] [blame] | 736 | |
Ben Gamari | 27c202a | 2009-07-01 22:26:52 -0400 | [diff] [blame] | 737 | static struct drm_info_list i915_debugfs_list[] = { |
Ben Gamari | 433e12f | 2009-02-17 20:08:51 -0500 | [diff] [blame] | 738 | {"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST}, |
| 739 | {"i915_gem_flushing", i915_gem_object_list_info, 0, (void *) FLUSHING_LIST}, |
| 740 | {"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST}, |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 741 | {"i915_gem_request", i915_gem_request_info, 0}, |
| 742 | {"i915_gem_seqno", i915_gem_seqno_info, 0}, |
Chris Wilson | a6172a8 | 2009-02-11 14:26:38 +0000 | [diff] [blame] | 743 | {"i915_gem_fence_regs", i915_gem_fence_regs_info, 0}, |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 744 | {"i915_gem_interrupt", i915_interrupt_info, 0}, |
| 745 | {"i915_gem_hws", i915_hws_info, 0}, |
Ben Gamari | 6911a9b | 2009-04-02 11:24:54 -0700 | [diff] [blame] | 746 | {"i915_ringbuffer_data", i915_ringbuffer_data, 0}, |
| 747 | {"i915_ringbuffer_info", i915_ringbuffer_info, 0}, |
| 748 | {"i915_batchbuffers", i915_batchbuffer_info, 0}, |
Jesse Barnes | 63eeaf3 | 2009-06-18 16:56:52 -0700 | [diff] [blame] | 749 | {"i915_error_state", i915_error_state, 0}, |
Jesse Barnes | f97108d | 2010-01-29 11:27:07 -0800 | [diff] [blame] | 750 | {"i915_rstdby_delays", i915_rstdby_delays, 0}, |
| 751 | {"i915_cur_delayinfo", i915_cur_delayinfo, 0}, |
| 752 | {"i915_delayfreq_table", i915_delayfreq_table, 0}, |
| 753 | {"i915_inttoext_table", i915_inttoext_table, 0}, |
| 754 | {"i915_drpc_info", i915_drpc_info, 0}, |
Jesse Barnes | b5e50c3 | 2010-02-05 12:42:41 -0800 | [diff] [blame] | 755 | {"i915_fbc_status", i915_fbc_status, 0}, |
Jesse Barnes | 4a9bef3 | 2010-02-05 12:47:35 -0800 | [diff] [blame] | 756 | {"i915_sr_status", i915_sr_status, 0}, |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 757 | }; |
Ben Gamari | 27c202a | 2009-07-01 22:26:52 -0400 | [diff] [blame] | 758 | #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list) |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 759 | |
Ben Gamari | 27c202a | 2009-07-01 22:26:52 -0400 | [diff] [blame] | 760 | int i915_debugfs_init(struct drm_minor *minor) |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 761 | { |
Chris Wilson | f3cd474 | 2009-10-13 22:20:20 +0100 | [diff] [blame] | 762 | int ret; |
| 763 | |
| 764 | ret = i915_wedged_create(minor->debugfs_root, minor); |
| 765 | if (ret) |
| 766 | return ret; |
| 767 | |
Ben Gamari | 27c202a | 2009-07-01 22:26:52 -0400 | [diff] [blame] | 768 | return drm_debugfs_create_files(i915_debugfs_list, |
| 769 | I915_DEBUGFS_ENTRIES, |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 770 | minor->debugfs_root, minor); |
| 771 | } |
| 772 | |
Ben Gamari | 27c202a | 2009-07-01 22:26:52 -0400 | [diff] [blame] | 773 | void i915_debugfs_cleanup(struct drm_minor *minor) |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 774 | { |
Ben Gamari | 27c202a | 2009-07-01 22:26:52 -0400 | [diff] [blame] | 775 | drm_debugfs_remove_files(i915_debugfs_list, |
| 776 | I915_DEBUGFS_ENTRIES, minor); |
Kristian Høgsberg | 33db679 | 2009-11-11 12:19:16 -0500 | [diff] [blame] | 777 | drm_debugfs_remove_files((struct drm_info_list *) &i915_wedged_fops, |
| 778 | 1, minor); |
Ben Gamari | 2017263 | 2009-02-17 20:08:50 -0500 | [diff] [blame] | 779 | } |
| 780 | |
| 781 | #endif /* CONFIG_DEBUG_FS */ |