Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 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 | * Mika Kuoppala <mika.kuoppala@intel.com> |
| 27 | * |
| 28 | */ |
| 29 | |
| 30 | #include <generated/utsrelease.h> |
| 31 | #include "i915_drv.h" |
| 32 | |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 33 | static const char *ring_str(int ring) |
| 34 | { |
| 35 | switch (ring) { |
| 36 | case RCS: return "render"; |
| 37 | case VCS: return "bsd"; |
| 38 | case BCS: return "blt"; |
| 39 | case VECS: return "vebox"; |
Zhao Yakui | 845f74a | 2014-04-17 10:37:37 +0800 | [diff] [blame] | 40 | case VCS2: return "bsd2"; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 41 | default: return ""; |
| 42 | } |
| 43 | } |
| 44 | |
| 45 | static const char *pin_flag(int pinned) |
| 46 | { |
| 47 | if (pinned > 0) |
| 48 | return " P"; |
| 49 | else if (pinned < 0) |
| 50 | return " p"; |
| 51 | else |
| 52 | return ""; |
| 53 | } |
| 54 | |
| 55 | static const char *tiling_flag(int tiling) |
| 56 | { |
| 57 | switch (tiling) { |
| 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 | |
| 65 | static const char *dirty_flag(int dirty) |
| 66 | { |
| 67 | return dirty ? " dirty" : ""; |
| 68 | } |
| 69 | |
| 70 | static const char *purgeable_flag(int purgeable) |
| 71 | { |
| 72 | return purgeable ? " purgeable" : ""; |
| 73 | } |
| 74 | |
| 75 | static bool __i915_error_ok(struct drm_i915_error_state_buf *e) |
| 76 | { |
| 77 | |
| 78 | if (!e->err && WARN(e->bytes > (e->size - 1), "overflow")) { |
| 79 | e->err = -ENOSPC; |
| 80 | return false; |
| 81 | } |
| 82 | |
| 83 | if (e->bytes == e->size - 1 || e->err) |
| 84 | return false; |
| 85 | |
| 86 | return true; |
| 87 | } |
| 88 | |
| 89 | static bool __i915_error_seek(struct drm_i915_error_state_buf *e, |
| 90 | unsigned len) |
| 91 | { |
| 92 | if (e->pos + len <= e->start) { |
| 93 | e->pos += len; |
| 94 | return false; |
| 95 | } |
| 96 | |
| 97 | /* First vsnprintf needs to fit in its entirety for memmove */ |
| 98 | if (len >= e->size) { |
| 99 | e->err = -EIO; |
| 100 | return false; |
| 101 | } |
| 102 | |
| 103 | return true; |
| 104 | } |
| 105 | |
| 106 | static void __i915_error_advance(struct drm_i915_error_state_buf *e, |
| 107 | unsigned len) |
| 108 | { |
| 109 | /* If this is first printf in this window, adjust it so that |
| 110 | * start position matches start of the buffer |
| 111 | */ |
| 112 | |
| 113 | if (e->pos < e->start) { |
| 114 | const size_t off = e->start - e->pos; |
| 115 | |
| 116 | /* Should not happen but be paranoid */ |
| 117 | if (off > len || e->bytes) { |
| 118 | e->err = -EIO; |
| 119 | return; |
| 120 | } |
| 121 | |
| 122 | memmove(e->buf, e->buf + off, len - off); |
| 123 | e->bytes = len - off; |
| 124 | e->pos = e->start; |
| 125 | return; |
| 126 | } |
| 127 | |
| 128 | e->bytes += len; |
| 129 | e->pos += len; |
| 130 | } |
| 131 | |
| 132 | static void i915_error_vprintf(struct drm_i915_error_state_buf *e, |
| 133 | const char *f, va_list args) |
| 134 | { |
| 135 | unsigned len; |
| 136 | |
| 137 | if (!__i915_error_ok(e)) |
| 138 | return; |
| 139 | |
| 140 | /* Seek the first printf which is hits start position */ |
| 141 | if (e->pos < e->start) { |
Chris Wilson | e29bb4e | 2013-09-20 10:20:59 +0100 | [diff] [blame] | 142 | va_list tmp; |
| 143 | |
| 144 | va_copy(tmp, args); |
Mika Kuoppala | 1d2cb9a | 2014-02-07 17:40:50 +0200 | [diff] [blame] | 145 | len = vsnprintf(NULL, 0, f, tmp); |
| 146 | va_end(tmp); |
| 147 | |
| 148 | if (!__i915_error_seek(e, len)) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 149 | return; |
| 150 | } |
| 151 | |
| 152 | len = vsnprintf(e->buf + e->bytes, e->size - e->bytes, f, args); |
| 153 | if (len >= e->size - e->bytes) |
| 154 | len = e->size - e->bytes - 1; |
| 155 | |
| 156 | __i915_error_advance(e, len); |
| 157 | } |
| 158 | |
| 159 | static void i915_error_puts(struct drm_i915_error_state_buf *e, |
| 160 | const char *str) |
| 161 | { |
| 162 | unsigned len; |
| 163 | |
| 164 | if (!__i915_error_ok(e)) |
| 165 | return; |
| 166 | |
| 167 | len = strlen(str); |
| 168 | |
| 169 | /* Seek the first printf which is hits start position */ |
| 170 | if (e->pos < e->start) { |
| 171 | if (!__i915_error_seek(e, len)) |
| 172 | return; |
| 173 | } |
| 174 | |
| 175 | if (len >= e->size - e->bytes) |
| 176 | len = e->size - e->bytes - 1; |
| 177 | memcpy(e->buf + e->bytes, str, len); |
| 178 | |
| 179 | __i915_error_advance(e, len); |
| 180 | } |
| 181 | |
| 182 | #define err_printf(e, ...) i915_error_printf(e, __VA_ARGS__) |
| 183 | #define err_puts(e, s) i915_error_puts(e, s) |
| 184 | |
| 185 | static void print_error_buffers(struct drm_i915_error_state_buf *m, |
| 186 | const char *name, |
| 187 | struct drm_i915_error_buffer *err, |
| 188 | int count) |
| 189 | { |
Chris Wilson | b471618 | 2015-04-27 13:41:17 +0100 | [diff] [blame] | 190 | int i; |
| 191 | |
Chris Wilson | 3a44873 | 2014-08-12 20:05:47 +0100 | [diff] [blame] | 192 | err_printf(m, " %s [%d]:\n", name, count); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 193 | |
| 194 | while (count--) { |
Michel Thierry | e1f1232 | 2015-07-29 17:23:56 +0100 | [diff] [blame] | 195 | err_printf(m, " %08x_%08x %8u %02x %02x [ ", |
| 196 | upper_32_bits(err->gtt_offset), |
| 197 | lower_32_bits(err->gtt_offset), |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 198 | err->size, |
| 199 | err->read_domains, |
Chris Wilson | b471618 | 2015-04-27 13:41:17 +0100 | [diff] [blame] | 200 | err->write_domain); |
| 201 | for (i = 0; i < I915_NUM_RINGS; i++) |
| 202 | err_printf(m, "%02x ", err->rseqno[i]); |
| 203 | |
| 204 | err_printf(m, "] %02x", err->wseqno); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 205 | err_puts(m, pin_flag(err->pinned)); |
| 206 | err_puts(m, tiling_flag(err->tiling)); |
| 207 | err_puts(m, dirty_flag(err->dirty)); |
| 208 | err_puts(m, purgeable_flag(err->purgeable)); |
Chris Wilson | 5cc9ed4 | 2014-05-16 14:22:37 +0100 | [diff] [blame] | 209 | err_puts(m, err->userptr ? " userptr" : ""); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 210 | err_puts(m, err->ring != -1 ? " " : ""); |
| 211 | err_puts(m, ring_str(err->ring)); |
Chris Wilson | 0a4cd7c | 2014-08-22 14:41:39 +0100 | [diff] [blame] | 212 | err_puts(m, i915_cache_level_str(m->i915, err->cache_level)); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 213 | |
| 214 | if (err->name) |
| 215 | err_printf(m, " (name: %d)", err->name); |
| 216 | if (err->fence_reg != I915_FENCE_REG_NONE) |
| 217 | err_printf(m, " (fence: %d)", err->fence_reg); |
| 218 | |
| 219 | err_puts(m, "\n"); |
| 220 | err++; |
| 221 | } |
| 222 | } |
| 223 | |
Mika Kuoppala | da66146 | 2013-09-06 16:03:28 +0300 | [diff] [blame] | 224 | static const char *hangcheck_action_to_str(enum intel_ring_hangcheck_action a) |
| 225 | { |
| 226 | switch (a) { |
| 227 | case HANGCHECK_IDLE: |
| 228 | return "idle"; |
| 229 | case HANGCHECK_WAIT: |
| 230 | return "wait"; |
| 231 | case HANGCHECK_ACTIVE: |
| 232 | return "active"; |
Mika Kuoppala | f260fe7 | 2014-08-05 17:16:26 +0300 | [diff] [blame] | 233 | case HANGCHECK_ACTIVE_LOOP: |
| 234 | return "active (loop)"; |
Mika Kuoppala | da66146 | 2013-09-06 16:03:28 +0300 | [diff] [blame] | 235 | case HANGCHECK_KICK: |
| 236 | return "kick"; |
| 237 | case HANGCHECK_HUNG: |
| 238 | return "hung"; |
| 239 | } |
| 240 | |
| 241 | return "unknown"; |
| 242 | } |
| 243 | |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 244 | static void i915_ring_error_state(struct drm_i915_error_state_buf *m, |
| 245 | struct drm_device *dev, |
Daniel Vetter | 77c1aa8 | 2014-11-18 13:27:07 +0100 | [diff] [blame] | 246 | struct drm_i915_error_state *error, |
| 247 | int ring_idx) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 248 | { |
Daniel Vetter | 77c1aa8 | 2014-11-18 13:27:07 +0100 | [diff] [blame] | 249 | struct drm_i915_error_ring *ring = &error->ring[ring_idx]; |
| 250 | |
Ben Widawsky | 362b8af | 2014-01-30 00:19:38 -0800 | [diff] [blame] | 251 | if (!ring->valid) |
Chris Wilson | 372fbb8 | 2014-01-27 13:52:34 +0000 | [diff] [blame] | 252 | return; |
| 253 | |
Daniel Vetter | 77c1aa8 | 2014-11-18 13:27:07 +0100 | [diff] [blame] | 254 | err_printf(m, "%s command stream:\n", ring_str(ring_idx)); |
Chris Wilson | 94f8cf1 | 2015-04-07 16:20:47 +0100 | [diff] [blame] | 255 | err_printf(m, " START: 0x%08x\n", ring->start); |
| 256 | err_printf(m, " HEAD: 0x%08x\n", ring->head); |
| 257 | err_printf(m, " TAIL: 0x%08x\n", ring->tail); |
| 258 | err_printf(m, " CTL: 0x%08x\n", ring->ctl); |
| 259 | err_printf(m, " HWS: 0x%08x\n", ring->hws); |
Chris Wilson | e3243d1 | 2014-03-21 12:05:47 +0000 | [diff] [blame] | 260 | err_printf(m, " ACTHD: 0x%08x %08x\n", (u32)(ring->acthd>>32), (u32)ring->acthd); |
Ben Widawsky | 362b8af | 2014-01-30 00:19:38 -0800 | [diff] [blame] | 261 | err_printf(m, " IPEIR: 0x%08x\n", ring->ipeir); |
| 262 | err_printf(m, " IPEHR: 0x%08x\n", ring->ipehr); |
| 263 | err_printf(m, " INSTDONE: 0x%08x\n", ring->instdone); |
Ville Syrjälä | 3dda20a | 2013-12-10 21:44:43 +0200 | [diff] [blame] | 264 | if (INTEL_INFO(dev)->gen >= 4) { |
Chris Wilson | e3243d1 | 2014-03-21 12:05:47 +0000 | [diff] [blame] | 265 | err_printf(m, " BBADDR: 0x%08x %08x\n", (u32)(ring->bbaddr>>32), (u32)ring->bbaddr); |
Ben Widawsky | 362b8af | 2014-01-30 00:19:38 -0800 | [diff] [blame] | 266 | err_printf(m, " BB_STATE: 0x%08x\n", ring->bbstate); |
| 267 | err_printf(m, " INSTPS: 0x%08x\n", ring->instps); |
Ville Syrjälä | 3dda20a | 2013-12-10 21:44:43 +0200 | [diff] [blame] | 268 | } |
Ben Widawsky | 362b8af | 2014-01-30 00:19:38 -0800 | [diff] [blame] | 269 | err_printf(m, " INSTPM: 0x%08x\n", ring->instpm); |
Ben Widawsky | 13ffadd | 2014-04-01 16:31:07 -0700 | [diff] [blame] | 270 | err_printf(m, " FADDR: 0x%08x %08x\n", upper_32_bits(ring->faddr), |
| 271 | lower_32_bits(ring->faddr)); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 272 | if (INTEL_INFO(dev)->gen >= 6) { |
Ben Widawsky | 362b8af | 2014-01-30 00:19:38 -0800 | [diff] [blame] | 273 | err_printf(m, " RC PSMI: 0x%08x\n", ring->rc_psmi); |
| 274 | err_printf(m, " FAULT_REG: 0x%08x\n", ring->fault_reg); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 275 | err_printf(m, " SYNC_0: 0x%08x [last synced 0x%08x]\n", |
Ben Widawsky | 362b8af | 2014-01-30 00:19:38 -0800 | [diff] [blame] | 276 | ring->semaphore_mboxes[0], |
| 277 | ring->semaphore_seqno[0]); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 278 | err_printf(m, " SYNC_1: 0x%08x [last synced 0x%08x]\n", |
Ben Widawsky | 362b8af | 2014-01-30 00:19:38 -0800 | [diff] [blame] | 279 | ring->semaphore_mboxes[1], |
| 280 | ring->semaphore_seqno[1]); |
Ben Widawsky | 4e5aabf | 2013-08-12 16:53:04 -0700 | [diff] [blame] | 281 | if (HAS_VEBOX(dev)) { |
| 282 | err_printf(m, " SYNC_2: 0x%08x [last synced 0x%08x]\n", |
Ben Widawsky | 362b8af | 2014-01-30 00:19:38 -0800 | [diff] [blame] | 283 | ring->semaphore_mboxes[2], |
| 284 | ring->semaphore_seqno[2]); |
Ben Widawsky | 4e5aabf | 2013-08-12 16:53:04 -0700 | [diff] [blame] | 285 | } |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 286 | } |
Ben Widawsky | 6c7a01e | 2014-01-30 00:19:40 -0800 | [diff] [blame] | 287 | if (USES_PPGTT(dev)) { |
| 288 | err_printf(m, " GFX_MODE: 0x%08x\n", ring->vm_info.gfx_mode); |
| 289 | |
| 290 | if (INTEL_INFO(dev)->gen >= 8) { |
| 291 | int i; |
| 292 | for (i = 0; i < 4; i++) |
| 293 | err_printf(m, " PDP%d: 0x%016llx\n", |
| 294 | i, ring->vm_info.pdp[i]); |
| 295 | } else { |
| 296 | err_printf(m, " PP_DIR_BASE: 0x%08x\n", |
| 297 | ring->vm_info.pp_dir_base); |
| 298 | } |
| 299 | } |
Ben Widawsky | 362b8af | 2014-01-30 00:19:38 -0800 | [diff] [blame] | 300 | err_printf(m, " seqno: 0x%08x\n", ring->seqno); |
| 301 | err_printf(m, " waiting: %s\n", yesno(ring->waiting)); |
| 302 | err_printf(m, " ring->head: 0x%08x\n", ring->cpu_ring_head); |
| 303 | err_printf(m, " ring->tail: 0x%08x\n", ring->cpu_ring_tail); |
Mika Kuoppala | da66146 | 2013-09-06 16:03:28 +0300 | [diff] [blame] | 304 | err_printf(m, " hangcheck: %s [%d]\n", |
Ben Widawsky | 362b8af | 2014-01-30 00:19:38 -0800 | [diff] [blame] | 305 | hangcheck_action_to_str(ring->hangcheck_action), |
| 306 | ring->hangcheck_score); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 307 | } |
| 308 | |
| 309 | void i915_error_printf(struct drm_i915_error_state_buf *e, const char *f, ...) |
| 310 | { |
| 311 | va_list args; |
| 312 | |
| 313 | va_start(args, f); |
| 314 | i915_error_vprintf(e, f, args); |
| 315 | va_end(args); |
| 316 | } |
| 317 | |
Chris Wilson | ab0e7ff | 2014-02-25 17:11:24 +0200 | [diff] [blame] | 318 | static void print_error_obj(struct drm_i915_error_state_buf *m, |
| 319 | struct drm_i915_error_object *obj) |
| 320 | { |
| 321 | int page, offset, elt; |
| 322 | |
| 323 | for (page = offset = 0; page < obj->page_count; page++) { |
| 324 | for (elt = 0; elt < PAGE_SIZE/4; elt++) { |
| 325 | err_printf(m, "%08x : %08x\n", offset, |
| 326 | obj->pages[page][elt]); |
| 327 | offset += 4; |
| 328 | } |
| 329 | } |
| 330 | } |
| 331 | |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 332 | int i915_error_state_to_str(struct drm_i915_error_state_buf *m, |
| 333 | const struct i915_error_state_file_priv *error_priv) |
| 334 | { |
| 335 | struct drm_device *dev = error_priv->dev; |
Jani Nikula | 50227e1 | 2014-03-31 14:27:21 +0300 | [diff] [blame] | 336 | struct drm_i915_private *dev_priv = dev->dev_private; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 337 | struct drm_i915_error_state *error = error_priv->error; |
Ben Widawsky | 0ca36d7 | 2014-06-30 09:53:41 -0700 | [diff] [blame] | 338 | struct drm_i915_error_object *obj; |
Chris Wilson | ab0e7ff | 2014-02-25 17:11:24 +0200 | [diff] [blame] | 339 | int i, j, offset, elt; |
| 340 | int max_hangcheck_score; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 341 | |
| 342 | if (!error) { |
| 343 | err_printf(m, "no error state collected\n"); |
| 344 | goto out; |
| 345 | } |
| 346 | |
Mika Kuoppala | cb38300 | 2014-02-25 17:11:25 +0200 | [diff] [blame] | 347 | err_printf(m, "%s\n", error->error_msg); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 348 | err_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec, |
| 349 | error->time.tv_usec); |
| 350 | err_printf(m, "Kernel: " UTS_RELEASE "\n"); |
Chris Wilson | ab0e7ff | 2014-02-25 17:11:24 +0200 | [diff] [blame] | 351 | max_hangcheck_score = 0; |
| 352 | for (i = 0; i < ARRAY_SIZE(error->ring); i++) { |
| 353 | if (error->ring[i].hangcheck_score > max_hangcheck_score) |
| 354 | max_hangcheck_score = error->ring[i].hangcheck_score; |
| 355 | } |
| 356 | for (i = 0; i < ARRAY_SIZE(error->ring); i++) { |
| 357 | if (error->ring[i].hangcheck_score == max_hangcheck_score && |
| 358 | error->ring[i].pid != -1) { |
| 359 | err_printf(m, "Active process (on ring %s): %s [%d]\n", |
| 360 | ring_str(i), |
| 361 | error->ring[i].comm, |
| 362 | error->ring[i].pid); |
| 363 | } |
| 364 | } |
Mika Kuoppala | 48b031e | 2014-02-25 17:11:27 +0200 | [diff] [blame] | 365 | err_printf(m, "Reset count: %u\n", error->reset_count); |
Mika Kuoppala | 62d5d69 | 2014-02-25 17:11:28 +0200 | [diff] [blame] | 366 | err_printf(m, "Suspend count: %u\n", error->suspend_count); |
Ville Syrjälä | ffbab09b | 2013-10-04 14:53:40 +0300 | [diff] [blame] | 367 | err_printf(m, "PCI ID: 0x%04x\n", dev->pdev->device); |
Chris Wilson | eb5be9d | 2015-08-07 20:24:15 +0100 | [diff] [blame] | 368 | err_printf(m, "IOMMU enabled?: %d\n", error->iommu); |
Mika Kuoppala | 0ac7655 | 2015-10-29 15:21:19 +0200 | [diff] [blame] | 369 | |
| 370 | if (HAS_CSR(dev)) { |
| 371 | struct intel_csr *csr = &dev_priv->csr; |
| 372 | |
| 373 | err_printf(m, "DMC loaded: %s\n", |
| 374 | yesno(csr->dmc_payload != NULL)); |
| 375 | err_printf(m, "DMC fw version: %d.%d\n", |
| 376 | CSR_VERSION_MAJOR(csr->version), |
| 377 | CSR_VERSION_MINOR(csr->version)); |
| 378 | } |
| 379 | |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 380 | err_printf(m, "EIR: 0x%08x\n", error->eir); |
| 381 | err_printf(m, "IER: 0x%08x\n", error->ier); |
Rodrigo Vivi | 885ea5a | 2014-08-05 10:07:13 -0700 | [diff] [blame] | 382 | if (INTEL_INFO(dev)->gen >= 8) { |
| 383 | for (i = 0; i < 4; i++) |
| 384 | err_printf(m, "GTIER gt %d: 0x%08x\n", i, |
| 385 | error->gtier[i]); |
| 386 | } else if (HAS_PCH_SPLIT(dev) || IS_VALLEYVIEW(dev)) |
| 387 | err_printf(m, "GTIER: 0x%08x\n", error->gtier[0]); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 388 | err_printf(m, "PGTBL_ER: 0x%08x\n", error->pgtbl_er); |
| 389 | err_printf(m, "FORCEWAKE: 0x%08x\n", error->forcewake); |
| 390 | err_printf(m, "DERRMR: 0x%08x\n", error->derrmr); |
| 391 | err_printf(m, "CCID: 0x%08x\n", error->ccid); |
Chris Wilson | 094f9a5 | 2013-09-25 17:34:55 +0100 | [diff] [blame] | 392 | err_printf(m, "Missed interrupts: 0x%08lx\n", dev_priv->gpu_error.missed_irq_rings); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 393 | |
| 394 | for (i = 0; i < dev_priv->num_fence_regs; i++) |
| 395 | err_printf(m, " fence[%d] = %08llx\n", i, error->fence[i]); |
| 396 | |
| 397 | for (i = 0; i < ARRAY_SIZE(error->extra_instdone); i++) |
| 398 | err_printf(m, " INSTDONE_%d: 0x%08x\n", i, |
| 399 | error->extra_instdone[i]); |
| 400 | |
| 401 | if (INTEL_INFO(dev)->gen >= 6) { |
| 402 | err_printf(m, "ERROR: 0x%08x\n", error->error); |
Mika Kuoppala | 6c826f3 | 2015-03-24 14:54:19 +0200 | [diff] [blame] | 403 | |
| 404 | if (INTEL_INFO(dev)->gen >= 8) |
| 405 | err_printf(m, "FAULT_TLB_DATA: 0x%08x 0x%08x\n", |
| 406 | error->fault_data1, error->fault_data0); |
| 407 | |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 408 | err_printf(m, "DONE_REG: 0x%08x\n", error->done_reg); |
| 409 | } |
| 410 | |
| 411 | if (INTEL_INFO(dev)->gen == 7) |
| 412 | err_printf(m, "ERR_INT: 0x%08x\n", error->err_int); |
| 413 | |
Daniel Vetter | 77c1aa8 | 2014-11-18 13:27:07 +0100 | [diff] [blame] | 414 | for (i = 0; i < ARRAY_SIZE(error->ring); i++) |
| 415 | i915_ring_error_state(m, dev, error, i); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 416 | |
Chris Wilson | 3a44873 | 2014-08-12 20:05:47 +0100 | [diff] [blame] | 417 | for (i = 0; i < error->vm_count; i++) { |
| 418 | err_printf(m, "vm[%d]\n", i); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 419 | |
Chris Wilson | 3a44873 | 2014-08-12 20:05:47 +0100 | [diff] [blame] | 420 | print_error_buffers(m, "Active", |
| 421 | error->active_bo[i], |
| 422 | error->active_bo_count[i]); |
| 423 | |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 424 | print_error_buffers(m, "Pinned", |
Chris Wilson | 3a44873 | 2014-08-12 20:05:47 +0100 | [diff] [blame] | 425 | error->pinned_bo[i], |
| 426 | error->pinned_bo_count[i]); |
| 427 | } |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 428 | |
| 429 | for (i = 0; i < ARRAY_SIZE(error->ring); i++) { |
Chris Wilson | ab0e7ff | 2014-02-25 17:11:24 +0200 | [diff] [blame] | 430 | obj = error->ring[i].batchbuffer; |
| 431 | if (obj) { |
| 432 | err_puts(m, dev_priv->ring[i].name); |
| 433 | if (error->ring[i].pid != -1) |
| 434 | err_printf(m, " (submitted by %s [%d])", |
| 435 | error->ring[i].comm, |
| 436 | error->ring[i].pid); |
Michel Thierry | e1f1232 | 2015-07-29 17:23:56 +0100 | [diff] [blame] | 437 | err_printf(m, " --- gtt_offset = 0x%08x %08x\n", |
| 438 | upper_32_bits(obj->gtt_offset), |
| 439 | lower_32_bits(obj->gtt_offset)); |
Chris Wilson | ab0e7ff | 2014-02-25 17:11:24 +0200 | [diff] [blame] | 440 | print_error_obj(m, obj); |
| 441 | } |
| 442 | |
| 443 | obj = error->ring[i].wa_batchbuffer; |
| 444 | if (obj) { |
| 445 | err_printf(m, "%s (w/a) --- gtt_offset = 0x%08x\n", |
Michel Thierry | e1f1232 | 2015-07-29 17:23:56 +0100 | [diff] [blame] | 446 | dev_priv->ring[i].name, |
| 447 | lower_32_bits(obj->gtt_offset)); |
Chris Wilson | ab0e7ff | 2014-02-25 17:11:24 +0200 | [diff] [blame] | 448 | print_error_obj(m, obj); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 449 | } |
| 450 | |
| 451 | if (error->ring[i].num_requests) { |
| 452 | err_printf(m, "%s --- %d requests\n", |
| 453 | dev_priv->ring[i].name, |
| 454 | error->ring[i].num_requests); |
| 455 | for (j = 0; j < error->ring[i].num_requests; j++) { |
| 456 | err_printf(m, " seqno 0x%08x, emitted %ld, tail 0x%08x\n", |
| 457 | error->ring[i].requests[j].seqno, |
| 458 | error->ring[i].requests[j].jiffies, |
| 459 | error->ring[i].requests[j].tail); |
| 460 | } |
| 461 | } |
| 462 | |
| 463 | if ((obj = error->ring[i].ringbuffer)) { |
| 464 | err_printf(m, "%s --- ringbuffer = 0x%08x\n", |
| 465 | dev_priv->ring[i].name, |
Michel Thierry | e1f1232 | 2015-07-29 17:23:56 +0100 | [diff] [blame] | 466 | lower_32_bits(obj->gtt_offset)); |
Chris Wilson | ab0e7ff | 2014-02-25 17:11:24 +0200 | [diff] [blame] | 467 | print_error_obj(m, obj); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 468 | } |
| 469 | |
Ben Widawsky | 362b8af | 2014-01-30 00:19:38 -0800 | [diff] [blame] | 470 | if ((obj = error->ring[i].hws_page)) { |
Jesse Barnes | 3a5a039 | 2015-09-15 10:03:01 -0700 | [diff] [blame] | 471 | u64 hws_offset = obj->gtt_offset; |
| 472 | u32 *hws_page = &obj->pages[0][0]; |
| 473 | |
| 474 | if (i915.enable_execlists) { |
| 475 | hws_offset += LRC_PPHWSP_PN * PAGE_SIZE; |
| 476 | hws_page = &obj->pages[LRC_PPHWSP_PN][0]; |
| 477 | } |
Alex Dai | d167519 | 2015-08-12 15:43:43 +0100 | [diff] [blame] | 478 | err_printf(m, "%s --- HW Status = 0x%08llx\n", |
Jesse Barnes | 3a5a039 | 2015-09-15 10:03:01 -0700 | [diff] [blame] | 479 | dev_priv->ring[i].name, hws_offset); |
Chris Wilson | f3ce382 | 2014-01-23 22:40:36 +0000 | [diff] [blame] | 480 | offset = 0; |
| 481 | for (elt = 0; elt < PAGE_SIZE/16; elt += 4) { |
| 482 | err_printf(m, "[%04x] %08x %08x %08x %08x\n", |
| 483 | offset, |
Jesse Barnes | 3a5a039 | 2015-09-15 10:03:01 -0700 | [diff] [blame] | 484 | hws_page[elt], |
| 485 | hws_page[elt+1], |
| 486 | hws_page[elt+2], |
| 487 | hws_page[elt+3]); |
Chris Wilson | f3ce382 | 2014-01-23 22:40:36 +0000 | [diff] [blame] | 488 | offset += 16; |
| 489 | } |
| 490 | } |
| 491 | |
Chris Wilson | 372fbb8 | 2014-01-27 13:52:34 +0000 | [diff] [blame] | 492 | if ((obj = error->ring[i].ctx)) { |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 493 | err_printf(m, "%s --- HW Context = 0x%08x\n", |
| 494 | dev_priv->ring[i].name, |
Michel Thierry | e1f1232 | 2015-07-29 17:23:56 +0100 | [diff] [blame] | 495 | lower_32_bits(obj->gtt_offset)); |
Ben Widawsky | 17d3674 | 2014-04-05 14:55:53 -0700 | [diff] [blame] | 496 | print_error_obj(m, obj); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 497 | } |
| 498 | } |
| 499 | |
Ben Widawsky | 0ca36d7 | 2014-06-30 09:53:41 -0700 | [diff] [blame] | 500 | if ((obj = error->semaphore_obj)) { |
Michel Thierry | e1f1232 | 2015-07-29 17:23:56 +0100 | [diff] [blame] | 501 | err_printf(m, "Semaphore page = 0x%08x\n", |
| 502 | lower_32_bits(obj->gtt_offset)); |
Ben Widawsky | 0ca36d7 | 2014-06-30 09:53:41 -0700 | [diff] [blame] | 503 | for (elt = 0; elt < PAGE_SIZE/16; elt += 4) { |
| 504 | err_printf(m, "[%04x] %08x %08x %08x %08x\n", |
| 505 | elt * 4, |
| 506 | obj->pages[0][elt], |
| 507 | obj->pages[0][elt+1], |
| 508 | obj->pages[0][elt+2], |
| 509 | obj->pages[0][elt+3]); |
| 510 | } |
| 511 | } |
| 512 | |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 513 | if (error->overlay) |
| 514 | intel_overlay_print_error_state(m, error->overlay); |
| 515 | |
| 516 | if (error->display) |
| 517 | intel_display_print_error_state(m, dev, error->display); |
| 518 | |
| 519 | out: |
| 520 | if (m->bytes == 0 && m->err) |
| 521 | return m->err; |
| 522 | |
| 523 | return 0; |
| 524 | } |
| 525 | |
| 526 | int i915_error_state_buf_init(struct drm_i915_error_state_buf *ebuf, |
Chris Wilson | 0a4cd7c | 2014-08-22 14:41:39 +0100 | [diff] [blame] | 527 | struct drm_i915_private *i915, |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 528 | size_t count, loff_t pos) |
| 529 | { |
| 530 | memset(ebuf, 0, sizeof(*ebuf)); |
Chris Wilson | 0a4cd7c | 2014-08-22 14:41:39 +0100 | [diff] [blame] | 531 | ebuf->i915 = i915; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 532 | |
| 533 | /* We need to have enough room to store any i915_error_state printf |
| 534 | * so that we can move it to start position. |
| 535 | */ |
| 536 | ebuf->size = count + 1 > PAGE_SIZE ? count + 1 : PAGE_SIZE; |
| 537 | ebuf->buf = kmalloc(ebuf->size, |
| 538 | GFP_TEMPORARY | __GFP_NORETRY | __GFP_NOWARN); |
| 539 | |
| 540 | if (ebuf->buf == NULL) { |
| 541 | ebuf->size = PAGE_SIZE; |
| 542 | ebuf->buf = kmalloc(ebuf->size, GFP_TEMPORARY); |
| 543 | } |
| 544 | |
| 545 | if (ebuf->buf == NULL) { |
| 546 | ebuf->size = 128; |
| 547 | ebuf->buf = kmalloc(ebuf->size, GFP_TEMPORARY); |
| 548 | } |
| 549 | |
| 550 | if (ebuf->buf == NULL) |
| 551 | return -ENOMEM; |
| 552 | |
| 553 | ebuf->start = pos; |
| 554 | |
| 555 | return 0; |
| 556 | } |
| 557 | |
| 558 | static void i915_error_object_free(struct drm_i915_error_object *obj) |
| 559 | { |
| 560 | int page; |
| 561 | |
| 562 | if (obj == NULL) |
| 563 | return; |
| 564 | |
| 565 | for (page = 0; page < obj->page_count; page++) |
| 566 | kfree(obj->pages[page]); |
| 567 | |
| 568 | kfree(obj); |
| 569 | } |
| 570 | |
| 571 | static void i915_error_state_free(struct kref *error_ref) |
| 572 | { |
| 573 | struct drm_i915_error_state *error = container_of(error_ref, |
| 574 | typeof(*error), ref); |
| 575 | int i; |
| 576 | |
| 577 | for (i = 0; i < ARRAY_SIZE(error->ring); i++) { |
| 578 | i915_error_object_free(error->ring[i].batchbuffer); |
Mika Kuoppala | b3da4a6 | 2015-05-04 17:44:11 +0300 | [diff] [blame] | 579 | i915_error_object_free(error->ring[i].wa_batchbuffer); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 580 | i915_error_object_free(error->ring[i].ringbuffer); |
Ben Widawsky | 362b8af | 2014-01-30 00:19:38 -0800 | [diff] [blame] | 581 | i915_error_object_free(error->ring[i].hws_page); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 582 | i915_error_object_free(error->ring[i].ctx); |
| 583 | kfree(error->ring[i].requests); |
| 584 | } |
| 585 | |
Ben Widawsky | 0ca36d7 | 2014-06-30 09:53:41 -0700 | [diff] [blame] | 586 | i915_error_object_free(error->semaphore_obj); |
Michel Thierry | 0b37a9a | 2015-03-20 09:41:03 +0000 | [diff] [blame] | 587 | |
| 588 | for (i = 0; i < error->vm_count; i++) |
| 589 | kfree(error->active_bo[i]); |
| 590 | |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 591 | kfree(error->active_bo); |
Michel Thierry | 0b37a9a | 2015-03-20 09:41:03 +0000 | [diff] [blame] | 592 | kfree(error->active_bo_count); |
| 593 | kfree(error->pinned_bo); |
| 594 | kfree(error->pinned_bo_count); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 595 | kfree(error->overlay); |
| 596 | kfree(error->display); |
| 597 | kfree(error); |
| 598 | } |
| 599 | |
| 600 | static struct drm_i915_error_object * |
Chris Wilson | 8ae62dc | 2014-08-12 20:05:49 +0100 | [diff] [blame] | 601 | i915_error_object_create(struct drm_i915_private *dev_priv, |
| 602 | struct drm_i915_gem_object *src, |
| 603 | struct i915_address_space *vm) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 604 | { |
| 605 | struct drm_i915_error_object *dst; |
Tvrtko Ursulin | aff4376 | 2014-10-24 12:42:33 +0100 | [diff] [blame] | 606 | struct i915_vma *vma = NULL; |
Chris Wilson | 8ae62dc | 2014-08-12 20:05:49 +0100 | [diff] [blame] | 607 | int num_pages; |
Chris Wilson | b3c3f5e | 2014-08-12 20:05:48 +0100 | [diff] [blame] | 608 | bool use_ggtt; |
| 609 | int i = 0; |
Michel Thierry | e1f1232 | 2015-07-29 17:23:56 +0100 | [diff] [blame] | 610 | u64 reloc_offset; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 611 | |
| 612 | if (src == NULL || src->pages == NULL) |
| 613 | return NULL; |
| 614 | |
Chris Wilson | 8ae62dc | 2014-08-12 20:05:49 +0100 | [diff] [blame] | 615 | num_pages = src->base.size >> PAGE_SHIFT; |
| 616 | |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 617 | dst = kmalloc(sizeof(*dst) + num_pages * sizeof(u32 *), GFP_ATOMIC); |
| 618 | if (dst == NULL) |
| 619 | return NULL; |
| 620 | |
Chris Wilson | 87a01e8 | 2014-08-12 20:05:50 +0100 | [diff] [blame] | 621 | if (i915_gem_obj_bound(src, vm)) |
| 622 | dst->gtt_offset = i915_gem_obj_offset(src, vm); |
| 623 | else |
| 624 | dst->gtt_offset = -1; |
Chris Wilson | b3c3f5e | 2014-08-12 20:05:48 +0100 | [diff] [blame] | 625 | |
| 626 | reloc_offset = dst->gtt_offset; |
Tvrtko Ursulin | aff4376 | 2014-10-24 12:42:33 +0100 | [diff] [blame] | 627 | if (i915_is_ggtt(vm)) |
| 628 | vma = i915_gem_obj_to_ggtt(src); |
Chris Wilson | b3c3f5e | 2014-08-12 20:05:48 +0100 | [diff] [blame] | 629 | use_ggtt = (src->cache_level == I915_CACHE_NONE && |
Tvrtko Ursulin | aff4376 | 2014-10-24 12:42:33 +0100 | [diff] [blame] | 630 | vma && (vma->bound & GLOBAL_BIND) && |
| 631 | reloc_offset + num_pages * PAGE_SIZE <= dev_priv->gtt.mappable_end); |
Chris Wilson | b3c3f5e | 2014-08-12 20:05:48 +0100 | [diff] [blame] | 632 | |
| 633 | /* Cannot access stolen address directly, try to use the aperture */ |
| 634 | if (src->stolen) { |
| 635 | use_ggtt = true; |
| 636 | |
Tvrtko Ursulin | aff4376 | 2014-10-24 12:42:33 +0100 | [diff] [blame] | 637 | if (!(vma && vma->bound & GLOBAL_BIND)) |
Chris Wilson | b3c3f5e | 2014-08-12 20:05:48 +0100 | [diff] [blame] | 638 | goto unwind; |
| 639 | |
| 640 | reloc_offset = i915_gem_obj_ggtt_offset(src); |
| 641 | if (reloc_offset + num_pages * PAGE_SIZE > dev_priv->gtt.mappable_end) |
| 642 | goto unwind; |
| 643 | } |
| 644 | |
| 645 | /* Cannot access snooped pages through the aperture */ |
| 646 | if (use_ggtt && src->cache_level != I915_CACHE_NONE && !HAS_LLC(dev_priv->dev)) |
| 647 | goto unwind; |
| 648 | |
| 649 | dst->page_count = num_pages; |
| 650 | while (num_pages--) { |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 651 | unsigned long flags; |
| 652 | void *d; |
| 653 | |
| 654 | d = kmalloc(PAGE_SIZE, GFP_ATOMIC); |
| 655 | if (d == NULL) |
| 656 | goto unwind; |
| 657 | |
| 658 | local_irq_save(flags); |
Chris Wilson | b3c3f5e | 2014-08-12 20:05:48 +0100 | [diff] [blame] | 659 | if (use_ggtt) { |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 660 | void __iomem *s; |
| 661 | |
| 662 | /* Simply ignore tiling or any overlapping fence. |
| 663 | * It's part of the error state, and this hopefully |
| 664 | * captures what the GPU read. |
| 665 | */ |
| 666 | |
| 667 | s = io_mapping_map_atomic_wc(dev_priv->gtt.mappable, |
| 668 | reloc_offset); |
| 669 | memcpy_fromio(d, s, PAGE_SIZE); |
| 670 | io_mapping_unmap_atomic(s); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 671 | } else { |
| 672 | struct page *page; |
| 673 | void *s; |
| 674 | |
| 675 | page = i915_gem_object_get_page(src, i); |
| 676 | |
| 677 | drm_clflush_pages(&page, 1); |
| 678 | |
| 679 | s = kmap_atomic(page); |
| 680 | memcpy(d, s, PAGE_SIZE); |
| 681 | kunmap_atomic(s); |
| 682 | |
| 683 | drm_clflush_pages(&page, 1); |
| 684 | } |
| 685 | local_irq_restore(flags); |
| 686 | |
Chris Wilson | b3c3f5e | 2014-08-12 20:05:48 +0100 | [diff] [blame] | 687 | dst->pages[i++] = d; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 688 | reloc_offset += PAGE_SIZE; |
| 689 | } |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 690 | |
| 691 | return dst; |
| 692 | |
| 693 | unwind: |
| 694 | while (i--) |
| 695 | kfree(dst->pages[i]); |
| 696 | kfree(dst); |
| 697 | return NULL; |
| 698 | } |
Ben Widawsky | a7b9107 | 2013-12-06 14:10:52 -0800 | [diff] [blame] | 699 | #define i915_error_ggtt_object_create(dev_priv, src) \ |
Chris Wilson | 8ae62dc | 2014-08-12 20:05:49 +0100 | [diff] [blame] | 700 | i915_error_object_create((dev_priv), (src), &(dev_priv)->gtt.base) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 701 | |
| 702 | static void capture_bo(struct drm_i915_error_buffer *err, |
Chris Wilson | 3a44873 | 2014-08-12 20:05:47 +0100 | [diff] [blame] | 703 | struct i915_vma *vma) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 704 | { |
Chris Wilson | 3a44873 | 2014-08-12 20:05:47 +0100 | [diff] [blame] | 705 | struct drm_i915_gem_object *obj = vma->obj; |
Chris Wilson | b471618 | 2015-04-27 13:41:17 +0100 | [diff] [blame] | 706 | int i; |
Chris Wilson | 3a44873 | 2014-08-12 20:05:47 +0100 | [diff] [blame] | 707 | |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 708 | err->size = obj->base.size; |
| 709 | err->name = obj->base.name; |
Chris Wilson | b471618 | 2015-04-27 13:41:17 +0100 | [diff] [blame] | 710 | for (i = 0; i < I915_NUM_RINGS; i++) |
| 711 | err->rseqno[i] = i915_gem_request_get_seqno(obj->last_read_req[i]); |
John Harrison | 97b2a6a | 2014-11-24 18:49:26 +0000 | [diff] [blame] | 712 | err->wseqno = i915_gem_request_get_seqno(obj->last_write_req); |
Chris Wilson | 3a44873 | 2014-08-12 20:05:47 +0100 | [diff] [blame] | 713 | err->gtt_offset = vma->node.start; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 714 | err->read_domains = obj->base.read_domains; |
| 715 | err->write_domain = obj->base.write_domain; |
| 716 | err->fence_reg = obj->fence_reg; |
| 717 | err->pinned = 0; |
Ben Widawsky | d7f46fc | 2013-12-06 14:10:55 -0800 | [diff] [blame] | 718 | if (i915_gem_obj_is_pinned(obj)) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 719 | err->pinned = 1; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 720 | err->tiling = obj->tiling_mode; |
| 721 | err->dirty = obj->dirty; |
| 722 | err->purgeable = obj->madv != I915_MADV_WILLNEED; |
Chris Wilson | 5cc9ed4 | 2014-05-16 14:22:37 +0100 | [diff] [blame] | 723 | err->userptr = obj->userptr.mm != NULL; |
Chris Wilson | b471618 | 2015-04-27 13:41:17 +0100 | [diff] [blame] | 724 | err->ring = obj->last_write_req ? |
| 725 | i915_gem_request_get_ring(obj->last_write_req)->id : -1; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 726 | err->cache_level = obj->cache_level; |
| 727 | } |
| 728 | |
| 729 | static u32 capture_active_bo(struct drm_i915_error_buffer *err, |
| 730 | int count, struct list_head *head) |
| 731 | { |
Ben Widawsky | ca191b1 | 2013-07-31 17:00:14 -0700 | [diff] [blame] | 732 | struct i915_vma *vma; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 733 | int i = 0; |
| 734 | |
Ben Widawsky | ca191b1 | 2013-07-31 17:00:14 -0700 | [diff] [blame] | 735 | list_for_each_entry(vma, head, mm_list) { |
Chris Wilson | 3a44873 | 2014-08-12 20:05:47 +0100 | [diff] [blame] | 736 | capture_bo(err++, vma); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 737 | if (++i == count) |
| 738 | break; |
| 739 | } |
| 740 | |
| 741 | return i; |
| 742 | } |
| 743 | |
| 744 | static u32 capture_pinned_bo(struct drm_i915_error_buffer *err, |
Chris Wilson | 3a44873 | 2014-08-12 20:05:47 +0100 | [diff] [blame] | 745 | int count, struct list_head *head, |
| 746 | struct i915_address_space *vm) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 747 | { |
| 748 | struct drm_i915_gem_object *obj; |
Chris Wilson | 3a44873 | 2014-08-12 20:05:47 +0100 | [diff] [blame] | 749 | struct drm_i915_error_buffer * const first = err; |
| 750 | struct drm_i915_error_buffer * const last = err + count; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 751 | |
| 752 | list_for_each_entry(obj, head, global_list) { |
Chris Wilson | 3a44873 | 2014-08-12 20:05:47 +0100 | [diff] [blame] | 753 | struct i915_vma *vma; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 754 | |
Chris Wilson | 3a44873 | 2014-08-12 20:05:47 +0100 | [diff] [blame] | 755 | if (err == last) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 756 | break; |
Chris Wilson | 3a44873 | 2014-08-12 20:05:47 +0100 | [diff] [blame] | 757 | |
| 758 | list_for_each_entry(vma, &obj->vma_list, vma_link) |
Tvrtko Ursulin | fe14d5f | 2014-12-10 17:27:58 +0000 | [diff] [blame] | 759 | if (vma->vm == vm && vma->pin_count > 0) |
Chris Wilson | 3a44873 | 2014-08-12 20:05:47 +0100 | [diff] [blame] | 760 | capture_bo(err++, vma); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 761 | } |
| 762 | |
Chris Wilson | 3a44873 | 2014-08-12 20:05:47 +0100 | [diff] [blame] | 763 | return err - first; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 764 | } |
| 765 | |
Ben Widawsky | 011cf57 | 2014-02-04 12:18:55 +0000 | [diff] [blame] | 766 | /* Generate a semi-unique error code. The code is not meant to have meaning, The |
| 767 | * code's only purpose is to try to prevent false duplicated bug reports by |
| 768 | * grossly estimating a GPU error state. |
| 769 | * |
| 770 | * TODO Ideally, hashing the batchbuffer would be a very nice way to determine |
| 771 | * the hang if we could strip the GTT offset information from it. |
| 772 | * |
| 773 | * It's only a small step better than a random number in its current form. |
| 774 | */ |
| 775 | static uint32_t i915_error_generate_code(struct drm_i915_private *dev_priv, |
Mika Kuoppala | cb38300 | 2014-02-25 17:11:25 +0200 | [diff] [blame] | 776 | struct drm_i915_error_state *error, |
| 777 | int *ring_id) |
Ben Widawsky | 011cf57 | 2014-02-04 12:18:55 +0000 | [diff] [blame] | 778 | { |
| 779 | uint32_t error_code = 0; |
| 780 | int i; |
| 781 | |
| 782 | /* IPEHR would be an ideal way to detect errors, as it's the gross |
| 783 | * measure of "the command that hung." However, has some very common |
| 784 | * synchronization commands which almost always appear in the case |
| 785 | * strictly a client bug. Use instdone to differentiate those some. |
| 786 | */ |
Mika Kuoppala | cb38300 | 2014-02-25 17:11:25 +0200 | [diff] [blame] | 787 | for (i = 0; i < I915_NUM_RINGS; i++) { |
| 788 | if (error->ring[i].hangcheck_action == HANGCHECK_HUNG) { |
| 789 | if (ring_id) |
| 790 | *ring_id = i; |
| 791 | |
Ben Widawsky | 011cf57 | 2014-02-04 12:18:55 +0000 | [diff] [blame] | 792 | return error->ring[i].ipehr ^ error->ring[i].instdone; |
Mika Kuoppala | cb38300 | 2014-02-25 17:11:25 +0200 | [diff] [blame] | 793 | } |
| 794 | } |
Ben Widawsky | 011cf57 | 2014-02-04 12:18:55 +0000 | [diff] [blame] | 795 | |
| 796 | return error_code; |
| 797 | } |
| 798 | |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 799 | static void i915_gem_record_fences(struct drm_device *dev, |
| 800 | struct drm_i915_error_state *error) |
| 801 | { |
| 802 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 803 | int i; |
| 804 | |
Rodrigo Vivi | ce38ab0 | 2014-12-04 06:48:10 -0800 | [diff] [blame] | 805 | if (IS_GEN3(dev) || IS_GEN2(dev)) { |
Rodrigo Vivi | ce38ab0 | 2014-12-04 06:48:10 -0800 | [diff] [blame] | 806 | for (i = 0; i < dev_priv->num_fence_regs; i++) |
Ville Syrjälä | eecf613 | 2015-09-21 18:05:14 +0300 | [diff] [blame] | 807 | error->fence[i] = I915_READ(FENCE_REG(i)); |
| 808 | } else if (IS_GEN5(dev) || IS_GEN4(dev)) { |
| 809 | for (i = 0; i < dev_priv->num_fence_regs; i++) |
| 810 | error->fence[i] = I915_READ64(FENCE_REG_965_LO(i)); |
| 811 | } else if (INTEL_INFO(dev)->gen >= 6) { |
| 812 | for (i = 0; i < dev_priv->num_fence_regs; i++) |
| 813 | error->fence[i] = I915_READ64(FENCE_REG_GEN6_LO(i)); |
| 814 | } |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 815 | } |
| 816 | |
Ben Widawsky | 87f85eb | 2014-06-30 09:53:40 -0700 | [diff] [blame] | 817 | |
Ben Widawsky | 0ca36d7 | 2014-06-30 09:53:41 -0700 | [diff] [blame] | 818 | static void gen8_record_semaphore_state(struct drm_i915_private *dev_priv, |
| 819 | struct drm_i915_error_state *error, |
| 820 | struct intel_engine_cs *ring, |
| 821 | struct drm_i915_error_ring *ering) |
| 822 | { |
Rodrigo Vivi | b4558b4 | 2014-07-18 02:19:40 -0700 | [diff] [blame] | 823 | struct intel_engine_cs *to; |
Ben Widawsky | 0ca36d7 | 2014-06-30 09:53:41 -0700 | [diff] [blame] | 824 | int i; |
| 825 | |
| 826 | if (!i915_semaphore_is_enabled(dev_priv->dev)) |
| 827 | return; |
| 828 | |
| 829 | if (!error->semaphore_obj) |
| 830 | error->semaphore_obj = |
Daniel Vetter | cc1df8a | 2014-11-19 18:38:39 +0100 | [diff] [blame] | 831 | i915_error_ggtt_object_create(dev_priv, |
| 832 | dev_priv->semaphore_obj); |
Ben Widawsky | 0ca36d7 | 2014-06-30 09:53:41 -0700 | [diff] [blame] | 833 | |
Rodrigo Vivi | b4558b4 | 2014-07-18 02:19:40 -0700 | [diff] [blame] | 834 | for_each_ring(to, dev_priv, i) { |
| 835 | int idx; |
| 836 | u16 signal_offset; |
| 837 | u32 *tmp; |
Ben Widawsky | 0ca36d7 | 2014-06-30 09:53:41 -0700 | [diff] [blame] | 838 | |
Rodrigo Vivi | b4558b4 | 2014-07-18 02:19:40 -0700 | [diff] [blame] | 839 | if (ring == to) |
| 840 | continue; |
| 841 | |
Rodrigo Vivi | 864c618 | 2014-08-01 04:51:30 -0700 | [diff] [blame] | 842 | signal_offset = (GEN8_SIGNAL_OFFSET(ring, i) & (PAGE_SIZE - 1)) |
| 843 | / 4; |
Rodrigo Vivi | b4558b4 | 2014-07-18 02:19:40 -0700 | [diff] [blame] | 844 | tmp = error->semaphore_obj->pages[0]; |
| 845 | idx = intel_ring_sync_index(ring, to); |
| 846 | |
| 847 | ering->semaphore_mboxes[idx] = tmp[signal_offset]; |
| 848 | ering->semaphore_seqno[idx] = ring->semaphore.sync_seqno[idx]; |
Ben Widawsky | 0ca36d7 | 2014-06-30 09:53:41 -0700 | [diff] [blame] | 849 | } |
| 850 | } |
| 851 | |
Ben Widawsky | 87f85eb | 2014-06-30 09:53:40 -0700 | [diff] [blame] | 852 | static void gen6_record_semaphore_state(struct drm_i915_private *dev_priv, |
| 853 | struct intel_engine_cs *ring, |
| 854 | struct drm_i915_error_ring *ering) |
| 855 | { |
| 856 | ering->semaphore_mboxes[0] = I915_READ(RING_SYNC_0(ring->mmio_base)); |
| 857 | ering->semaphore_mboxes[1] = I915_READ(RING_SYNC_1(ring->mmio_base)); |
| 858 | ering->semaphore_seqno[0] = ring->semaphore.sync_seqno[0]; |
| 859 | ering->semaphore_seqno[1] = ring->semaphore.sync_seqno[1]; |
| 860 | |
| 861 | if (HAS_VEBOX(dev_priv->dev)) { |
| 862 | ering->semaphore_mboxes[2] = |
| 863 | I915_READ(RING_SYNC_2(ring->mmio_base)); |
| 864 | ering->semaphore_seqno[2] = ring->semaphore.sync_seqno[2]; |
| 865 | } |
| 866 | } |
| 867 | |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 868 | static void i915_record_ring_state(struct drm_device *dev, |
Ben Widawsky | 0ca36d7 | 2014-06-30 09:53:41 -0700 | [diff] [blame] | 869 | struct drm_i915_error_state *error, |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 870 | struct intel_engine_cs *ring, |
Ben Widawsky | 362b8af | 2014-01-30 00:19:38 -0800 | [diff] [blame] | 871 | struct drm_i915_error_ring *ering) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 872 | { |
| 873 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 874 | |
| 875 | if (INTEL_INFO(dev)->gen >= 6) { |
Ville Syrjälä | 3613cf1 | 2015-11-04 23:20:04 +0200 | [diff] [blame] | 876 | ering->rc_psmi = I915_READ(RING_PSMI_CTL(ring->mmio_base)); |
Ben Widawsky | 362b8af | 2014-01-30 00:19:38 -0800 | [diff] [blame] | 877 | ering->fault_reg = I915_READ(RING_FAULT_REG(ring)); |
Ben Widawsky | 0ca36d7 | 2014-06-30 09:53:41 -0700 | [diff] [blame] | 878 | if (INTEL_INFO(dev)->gen >= 8) |
| 879 | gen8_record_semaphore_state(dev_priv, error, ring, ering); |
| 880 | else |
| 881 | gen6_record_semaphore_state(dev_priv, ring, ering); |
Ben Widawsky | 4e5aabf | 2013-08-12 16:53:04 -0700 | [diff] [blame] | 882 | } |
| 883 | |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 884 | if (INTEL_INFO(dev)->gen >= 4) { |
Ben Widawsky | 362b8af | 2014-01-30 00:19:38 -0800 | [diff] [blame] | 885 | ering->faddr = I915_READ(RING_DMA_FADD(ring->mmio_base)); |
| 886 | ering->ipeir = I915_READ(RING_IPEIR(ring->mmio_base)); |
| 887 | ering->ipehr = I915_READ(RING_IPEHR(ring->mmio_base)); |
| 888 | ering->instdone = I915_READ(RING_INSTDONE(ring->mmio_base)); |
| 889 | ering->instps = I915_READ(RING_INSTPS(ring->mmio_base)); |
| 890 | ering->bbaddr = I915_READ(RING_BBADDR(ring->mmio_base)); |
Ben Widawsky | 13ffadd | 2014-04-01 16:31:07 -0700 | [diff] [blame] | 891 | if (INTEL_INFO(dev)->gen >= 8) { |
| 892 | ering->faddr |= (u64) I915_READ(RING_DMA_FADD_UDW(ring->mmio_base)) << 32; |
Ben Widawsky | 362b8af | 2014-01-30 00:19:38 -0800 | [diff] [blame] | 893 | ering->bbaddr |= (u64) I915_READ(RING_BBADDR_UDW(ring->mmio_base)) << 32; |
Ben Widawsky | 13ffadd | 2014-04-01 16:31:07 -0700 | [diff] [blame] | 894 | } |
Ben Widawsky | 362b8af | 2014-01-30 00:19:38 -0800 | [diff] [blame] | 895 | ering->bbstate = I915_READ(RING_BBSTATE(ring->mmio_base)); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 896 | } else { |
Ben Widawsky | 362b8af | 2014-01-30 00:19:38 -0800 | [diff] [blame] | 897 | ering->faddr = I915_READ(DMA_FADD_I8XX); |
| 898 | ering->ipeir = I915_READ(IPEIR); |
| 899 | ering->ipehr = I915_READ(IPEHR); |
Imre Deak | bd93a50 | 2015-09-30 23:00:43 +0300 | [diff] [blame] | 900 | ering->instdone = I915_READ(GEN2_INSTDONE); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 901 | } |
| 902 | |
Ben Widawsky | 362b8af | 2014-01-30 00:19:38 -0800 | [diff] [blame] | 903 | ering->waiting = waitqueue_active(&ring->irq_queue); |
| 904 | ering->instpm = I915_READ(RING_INSTPM(ring->mmio_base)); |
| 905 | ering->seqno = ring->get_seqno(ring, false); |
| 906 | ering->acthd = intel_ring_get_active_head(ring); |
Chris Wilson | 94f8cf1 | 2015-04-07 16:20:47 +0100 | [diff] [blame] | 907 | ering->start = I915_READ_START(ring); |
Ben Widawsky | 362b8af | 2014-01-30 00:19:38 -0800 | [diff] [blame] | 908 | ering->head = I915_READ_HEAD(ring); |
| 909 | ering->tail = I915_READ_TAIL(ring); |
| 910 | ering->ctl = I915_READ_CTL(ring); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 911 | |
Chris Wilson | f3ce382 | 2014-01-23 22:40:36 +0000 | [diff] [blame] | 912 | if (I915_NEED_GFX_HWS(dev)) { |
Ville Syrjälä | f0f59a0 | 2015-11-18 15:33:26 +0200 | [diff] [blame^] | 913 | i915_reg_t mmio; |
Chris Wilson | f3ce382 | 2014-01-23 22:40:36 +0000 | [diff] [blame] | 914 | |
| 915 | if (IS_GEN7(dev)) { |
| 916 | switch (ring->id) { |
| 917 | default: |
| 918 | case RCS: |
| 919 | mmio = RENDER_HWS_PGA_GEN7; |
| 920 | break; |
| 921 | case BCS: |
| 922 | mmio = BLT_HWS_PGA_GEN7; |
| 923 | break; |
| 924 | case VCS: |
| 925 | mmio = BSD_HWS_PGA_GEN7; |
| 926 | break; |
| 927 | case VECS: |
| 928 | mmio = VEBOX_HWS_PGA_GEN7; |
| 929 | break; |
| 930 | } |
| 931 | } else if (IS_GEN6(ring->dev)) { |
| 932 | mmio = RING_HWS_PGA_GEN6(ring->mmio_base); |
| 933 | } else { |
| 934 | /* XXX: gen8 returns to sanity */ |
| 935 | mmio = RING_HWS_PGA(ring->mmio_base); |
| 936 | } |
| 937 | |
Ben Widawsky | 362b8af | 2014-01-30 00:19:38 -0800 | [diff] [blame] | 938 | ering->hws = I915_READ(mmio); |
Chris Wilson | f3ce382 | 2014-01-23 22:40:36 +0000 | [diff] [blame] | 939 | } |
| 940 | |
Ben Widawsky | 362b8af | 2014-01-30 00:19:38 -0800 | [diff] [blame] | 941 | ering->hangcheck_score = ring->hangcheck.score; |
| 942 | ering->hangcheck_action = ring->hangcheck.action; |
Ben Widawsky | 6c7a01e | 2014-01-30 00:19:40 -0800 | [diff] [blame] | 943 | |
| 944 | if (USES_PPGTT(dev)) { |
| 945 | int i; |
| 946 | |
| 947 | ering->vm_info.gfx_mode = I915_READ(RING_MODE_GEN7(ring)); |
| 948 | |
Rodrigo Vivi | 74745b0 | 2014-12-03 04:55:27 -0800 | [diff] [blame] | 949 | if (IS_GEN6(dev)) |
| 950 | ering->vm_info.pp_dir_base = |
| 951 | I915_READ(RING_PP_DIR_BASE_READ(ring)); |
| 952 | else if (IS_GEN7(dev)) |
| 953 | ering->vm_info.pp_dir_base = |
| 954 | I915_READ(RING_PP_DIR_BASE(ring)); |
| 955 | else if (INTEL_INFO(dev)->gen >= 8) |
Ben Widawsky | 6c7a01e | 2014-01-30 00:19:40 -0800 | [diff] [blame] | 956 | for (i = 0; i < 4; i++) { |
| 957 | ering->vm_info.pdp[i] = |
| 958 | I915_READ(GEN8_RING_PDP_UDW(ring, i)); |
| 959 | ering->vm_info.pdp[i] <<= 32; |
| 960 | ering->vm_info.pdp[i] |= |
| 961 | I915_READ(GEN8_RING_PDP_LDW(ring, i)); |
| 962 | } |
Ben Widawsky | 6c7a01e | 2014-01-30 00:19:40 -0800 | [diff] [blame] | 963 | } |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 964 | } |
| 965 | |
| 966 | |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 967 | static void i915_gem_record_active_context(struct intel_engine_cs *ring, |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 968 | struct drm_i915_error_state *error, |
| 969 | struct drm_i915_error_ring *ering) |
| 970 | { |
| 971 | struct drm_i915_private *dev_priv = ring->dev->dev_private; |
| 972 | struct drm_i915_gem_object *obj; |
| 973 | |
| 974 | /* Currently render ring is the only HW context user */ |
| 975 | if (ring->id != RCS || !error->ccid) |
| 976 | return; |
| 977 | |
| 978 | list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) { |
Ben Widawsky | 36362ad | 2014-07-01 11:17:41 -0700 | [diff] [blame] | 979 | if (!i915_gem_obj_ggtt_bound(obj)) |
| 980 | continue; |
| 981 | |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 982 | if ((error->ccid & PAGE_MASK) == i915_gem_obj_ggtt_offset(obj)) { |
Ben Widawsky | 17d3674 | 2014-04-05 14:55:53 -0700 | [diff] [blame] | 983 | ering->ctx = i915_error_ggtt_object_create(dev_priv, obj); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 984 | break; |
| 985 | } |
| 986 | } |
| 987 | } |
| 988 | |
| 989 | static void i915_gem_record_rings(struct drm_device *dev, |
| 990 | struct drm_i915_error_state *error) |
| 991 | { |
| 992 | struct drm_i915_private *dev_priv = dev->dev_private; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 993 | struct drm_i915_gem_request *request; |
| 994 | int i, count; |
| 995 | |
Chris Wilson | 372fbb8 | 2014-01-27 13:52:34 +0000 | [diff] [blame] | 996 | for (i = 0; i < I915_NUM_RINGS; i++) { |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 997 | struct intel_engine_cs *ring = &dev_priv->ring[i]; |
Oscar Mateo | 9075e52 | 2014-07-24 17:04:43 +0100 | [diff] [blame] | 998 | struct intel_ringbuffer *rbuf; |
Chris Wilson | 372fbb8 | 2014-01-27 13:52:34 +0000 | [diff] [blame] | 999 | |
Chris Wilson | eee73b4 | 2014-06-10 12:09:29 +0100 | [diff] [blame] | 1000 | error->ring[i].pid = -1; |
| 1001 | |
Chris Wilson | 372fbb8 | 2014-01-27 13:52:34 +0000 | [diff] [blame] | 1002 | if (ring->dev == NULL) |
| 1003 | continue; |
| 1004 | |
| 1005 | error->ring[i].valid = true; |
| 1006 | |
Ben Widawsky | 0ca36d7 | 2014-06-30 09:53:41 -0700 | [diff] [blame] | 1007 | i915_record_ring_state(dev, error, ring, &error->ring[i]); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1008 | |
Chris Wilson | ab0e7ff | 2014-02-25 17:11:24 +0200 | [diff] [blame] | 1009 | request = i915_gem_find_active_request(ring); |
| 1010 | if (request) { |
Daniel Vetter | ae6c480 | 2014-08-06 15:04:53 +0200 | [diff] [blame] | 1011 | struct i915_address_space *vm; |
| 1012 | |
| 1013 | vm = request->ctx && request->ctx->ppgtt ? |
| 1014 | &request->ctx->ppgtt->base : |
| 1015 | &dev_priv->gtt.base; |
| 1016 | |
Chris Wilson | ab0e7ff | 2014-02-25 17:11:24 +0200 | [diff] [blame] | 1017 | /* We need to copy these to an anonymous buffer |
| 1018 | * as the simplest method to avoid being overwritten |
| 1019 | * by userspace. |
| 1020 | */ |
| 1021 | error->ring[i].batchbuffer = |
| 1022 | i915_error_object_create(dev_priv, |
| 1023 | request->batch_obj, |
Daniel Vetter | ae6c480 | 2014-08-06 15:04:53 +0200 | [diff] [blame] | 1024 | vm); |
Chris Wilson | ab0e7ff | 2014-02-25 17:11:24 +0200 | [diff] [blame] | 1025 | |
Chris Wilson | 8ae62dc | 2014-08-12 20:05:49 +0100 | [diff] [blame] | 1026 | if (HAS_BROKEN_CS_TLB(dev_priv->dev)) |
Chris Wilson | ab0e7ff | 2014-02-25 17:11:24 +0200 | [diff] [blame] | 1027 | error->ring[i].wa_batchbuffer = |
| 1028 | i915_error_ggtt_object_create(dev_priv, |
| 1029 | ring->scratch.obj); |
| 1030 | |
Mika Kuoppala | 071c92d | 2015-02-12 10:26:02 +0200 | [diff] [blame] | 1031 | if (request->pid) { |
Chris Wilson | ab0e7ff | 2014-02-25 17:11:24 +0200 | [diff] [blame] | 1032 | struct task_struct *task; |
| 1033 | |
| 1034 | rcu_read_lock(); |
Mika Kuoppala | 071c92d | 2015-02-12 10:26:02 +0200 | [diff] [blame] | 1035 | task = pid_task(request->pid, PIDTYPE_PID); |
Chris Wilson | ab0e7ff | 2014-02-25 17:11:24 +0200 | [diff] [blame] | 1036 | if (task) { |
| 1037 | strcpy(error->ring[i].comm, task->comm); |
| 1038 | error->ring[i].pid = task->pid; |
| 1039 | } |
| 1040 | rcu_read_unlock(); |
| 1041 | } |
| 1042 | } |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1043 | |
Oscar Mateo | 9075e52 | 2014-07-24 17:04:43 +0100 | [diff] [blame] | 1044 | if (i915.enable_execlists) { |
| 1045 | /* TODO: This is only a small fix to keep basic error |
| 1046 | * capture working, but we need to add more information |
| 1047 | * for it to be useful (e.g. dump the context being |
| 1048 | * executed). |
| 1049 | */ |
| 1050 | if (request) |
| 1051 | rbuf = request->ctx->engine[ring->id].ringbuf; |
| 1052 | else |
| 1053 | rbuf = ring->default_context->engine[ring->id].ringbuf; |
| 1054 | } else |
| 1055 | rbuf = ring->buffer; |
| 1056 | |
| 1057 | error->ring[i].cpu_ring_head = rbuf->head; |
| 1058 | error->ring[i].cpu_ring_tail = rbuf->tail; |
| 1059 | |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1060 | error->ring[i].ringbuffer = |
Oscar Mateo | 9075e52 | 2014-07-24 17:04:43 +0100 | [diff] [blame] | 1061 | i915_error_ggtt_object_create(dev_priv, rbuf->obj); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1062 | |
Chris Wilson | 8ae62dc | 2014-08-12 20:05:49 +0100 | [diff] [blame] | 1063 | error->ring[i].hws_page = |
| 1064 | i915_error_ggtt_object_create(dev_priv, ring->status_page.obj); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1065 | |
| 1066 | i915_gem_record_active_context(ring, error, &error->ring[i]); |
| 1067 | |
| 1068 | count = 0; |
| 1069 | list_for_each_entry(request, &ring->request_list, list) |
| 1070 | count++; |
| 1071 | |
| 1072 | error->ring[i].num_requests = count; |
| 1073 | error->ring[i].requests = |
Daniel Vetter | a1e2265 | 2013-09-21 00:35:38 +0200 | [diff] [blame] | 1074 | kcalloc(count, sizeof(*error->ring[i].requests), |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1075 | GFP_ATOMIC); |
| 1076 | if (error->ring[i].requests == NULL) { |
| 1077 | error->ring[i].num_requests = 0; |
| 1078 | continue; |
| 1079 | } |
| 1080 | |
| 1081 | count = 0; |
| 1082 | list_for_each_entry(request, &ring->request_list, list) { |
| 1083 | struct drm_i915_error_request *erq; |
| 1084 | |
Tomas Elf | 9c8e1bd | 2015-10-19 17:51:57 +0100 | [diff] [blame] | 1085 | if (count >= error->ring[i].num_requests) { |
| 1086 | /* |
| 1087 | * If the ring request list was changed in |
| 1088 | * between the point where the error request |
| 1089 | * list was created and dimensioned and this |
| 1090 | * point then just exit early to avoid crashes. |
| 1091 | * |
| 1092 | * We don't need to communicate that the |
| 1093 | * request list changed state during error |
| 1094 | * state capture and that the error state is |
| 1095 | * slightly incorrect as a consequence since we |
| 1096 | * are typically only interested in the request |
| 1097 | * list state at the point of error state |
| 1098 | * capture, not in any changes happening during |
| 1099 | * the capture. |
| 1100 | */ |
| 1101 | break; |
| 1102 | } |
| 1103 | |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1104 | erq = &error->ring[i].requests[count++]; |
| 1105 | erq->seqno = request->seqno; |
| 1106 | erq->jiffies = request->emitted_jiffies; |
Nick Hoath | 72f95af | 2015-01-15 13:10:37 +0000 | [diff] [blame] | 1107 | erq->tail = request->postfix; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1108 | } |
| 1109 | } |
| 1110 | } |
| 1111 | |
Ben Widawsky | 95f5301 | 2013-07-31 17:00:15 -0700 | [diff] [blame] | 1112 | /* FIXME: Since pin count/bound list is global, we duplicate what we capture per |
| 1113 | * VM. |
| 1114 | */ |
| 1115 | static void i915_gem_capture_vm(struct drm_i915_private *dev_priv, |
| 1116 | struct drm_i915_error_state *error, |
| 1117 | struct i915_address_space *vm, |
| 1118 | const int ndx) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1119 | { |
Ben Widawsky | 95f5301 | 2013-07-31 17:00:15 -0700 | [diff] [blame] | 1120 | struct drm_i915_error_buffer *active_bo = NULL, *pinned_bo = NULL; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1121 | struct drm_i915_gem_object *obj; |
Ben Widawsky | 95f5301 | 2013-07-31 17:00:15 -0700 | [diff] [blame] | 1122 | struct i915_vma *vma; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1123 | int i; |
| 1124 | |
| 1125 | i = 0; |
Ben Widawsky | ca191b1 | 2013-07-31 17:00:14 -0700 | [diff] [blame] | 1126 | list_for_each_entry(vma, &vm->active_list, mm_list) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1127 | i++; |
Ben Widawsky | 95f5301 | 2013-07-31 17:00:15 -0700 | [diff] [blame] | 1128 | error->active_bo_count[ndx] = i; |
Chris Wilson | 3a44873 | 2014-08-12 20:05:47 +0100 | [diff] [blame] | 1129 | |
| 1130 | list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) { |
| 1131 | list_for_each_entry(vma, &obj->vma_list, vma_link) |
Tvrtko Ursulin | fe14d5f | 2014-12-10 17:27:58 +0000 | [diff] [blame] | 1132 | if (vma->vm == vm && vma->pin_count > 0) |
Chris Wilson | 3a44873 | 2014-08-12 20:05:47 +0100 | [diff] [blame] | 1133 | i++; |
Chris Wilson | 3a44873 | 2014-08-12 20:05:47 +0100 | [diff] [blame] | 1134 | } |
Ben Widawsky | 95f5301 | 2013-07-31 17:00:15 -0700 | [diff] [blame] | 1135 | error->pinned_bo_count[ndx] = i - error->active_bo_count[ndx]; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1136 | |
| 1137 | if (i) { |
Daniel Vetter | a1e2265 | 2013-09-21 00:35:38 +0200 | [diff] [blame] | 1138 | active_bo = kcalloc(i, sizeof(*active_bo), GFP_ATOMIC); |
Ben Widawsky | 95f5301 | 2013-07-31 17:00:15 -0700 | [diff] [blame] | 1139 | if (active_bo) |
| 1140 | pinned_bo = active_bo + error->active_bo_count[ndx]; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1141 | } |
| 1142 | |
Ben Widawsky | 95f5301 | 2013-07-31 17:00:15 -0700 | [diff] [blame] | 1143 | if (active_bo) |
| 1144 | error->active_bo_count[ndx] = |
| 1145 | capture_active_bo(active_bo, |
| 1146 | error->active_bo_count[ndx], |
Ben Widawsky | 5cef07e | 2013-07-16 16:50:08 -0700 | [diff] [blame] | 1147 | &vm->active_list); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1148 | |
Ben Widawsky | 95f5301 | 2013-07-31 17:00:15 -0700 | [diff] [blame] | 1149 | if (pinned_bo) |
| 1150 | error->pinned_bo_count[ndx] = |
| 1151 | capture_pinned_bo(pinned_bo, |
| 1152 | error->pinned_bo_count[ndx], |
Chris Wilson | 3a44873 | 2014-08-12 20:05:47 +0100 | [diff] [blame] | 1153 | &dev_priv->mm.bound_list, vm); |
Ben Widawsky | 95f5301 | 2013-07-31 17:00:15 -0700 | [diff] [blame] | 1154 | error->active_bo[ndx] = active_bo; |
| 1155 | error->pinned_bo[ndx] = pinned_bo; |
| 1156 | } |
| 1157 | |
| 1158 | static void i915_gem_capture_buffers(struct drm_i915_private *dev_priv, |
| 1159 | struct drm_i915_error_state *error) |
| 1160 | { |
| 1161 | struct i915_address_space *vm; |
| 1162 | int cnt = 0, i = 0; |
| 1163 | |
| 1164 | list_for_each_entry(vm, &dev_priv->vm_list, global_link) |
| 1165 | cnt++; |
| 1166 | |
Ben Widawsky | 95f5301 | 2013-07-31 17:00:15 -0700 | [diff] [blame] | 1167 | error->active_bo = kcalloc(cnt, sizeof(*error->active_bo), GFP_ATOMIC); |
| 1168 | error->pinned_bo = kcalloc(cnt, sizeof(*error->pinned_bo), GFP_ATOMIC); |
| 1169 | error->active_bo_count = kcalloc(cnt, sizeof(*error->active_bo_count), |
| 1170 | GFP_ATOMIC); |
| 1171 | error->pinned_bo_count = kcalloc(cnt, sizeof(*error->pinned_bo_count), |
| 1172 | GFP_ATOMIC); |
| 1173 | |
Chris Wilson | 3a44873 | 2014-08-12 20:05:47 +0100 | [diff] [blame] | 1174 | if (error->active_bo == NULL || |
| 1175 | error->pinned_bo == NULL || |
| 1176 | error->active_bo_count == NULL || |
| 1177 | error->pinned_bo_count == NULL) { |
| 1178 | kfree(error->active_bo); |
| 1179 | kfree(error->active_bo_count); |
| 1180 | kfree(error->pinned_bo); |
| 1181 | kfree(error->pinned_bo_count); |
| 1182 | |
| 1183 | error->active_bo = NULL; |
| 1184 | error->active_bo_count = NULL; |
| 1185 | error->pinned_bo = NULL; |
| 1186 | error->pinned_bo_count = NULL; |
| 1187 | } else { |
| 1188 | list_for_each_entry(vm, &dev_priv->vm_list, global_link) |
| 1189 | i915_gem_capture_vm(dev_priv, error, vm, i++); |
| 1190 | |
| 1191 | error->vm_count = cnt; |
| 1192 | } |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1193 | } |
| 1194 | |
Ben Widawsky | 1d762aa | 2014-01-30 00:19:35 -0800 | [diff] [blame] | 1195 | /* Capture all registers which don't fit into another category. */ |
| 1196 | static void i915_capture_reg_state(struct drm_i915_private *dev_priv, |
| 1197 | struct drm_i915_error_state *error) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1198 | { |
Ben Widawsky | 1d762aa | 2014-01-30 00:19:35 -0800 | [diff] [blame] | 1199 | struct drm_device *dev = dev_priv->dev; |
Rodrigo Vivi | 885ea5a | 2014-08-05 10:07:13 -0700 | [diff] [blame] | 1200 | int i; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1201 | |
Ben Widawsky | 654c90c | 2014-01-30 00:19:36 -0800 | [diff] [blame] | 1202 | /* General organization |
| 1203 | * 1. Registers specific to a single generation |
| 1204 | * 2. Registers which belong to multiple generations |
| 1205 | * 3. Feature specific registers. |
| 1206 | * 4. Everything else |
| 1207 | * Please try to follow the order. |
| 1208 | */ |
| 1209 | |
| 1210 | /* 1: Registers specific to a single generation */ |
| 1211 | if (IS_VALLEYVIEW(dev)) { |
Rodrigo Vivi | 885ea5a | 2014-08-05 10:07:13 -0700 | [diff] [blame] | 1212 | error->gtier[0] = I915_READ(GTIER); |
Rodrigo Vivi | 843db71 | 2014-08-01 09:12:27 -0700 | [diff] [blame] | 1213 | error->ier = I915_READ(VLV_IER); |
Ville Syrjälä | 4018169 | 2015-10-22 15:34:57 +0300 | [diff] [blame] | 1214 | error->forcewake = I915_READ_FW(FORCEWAKE_VLV); |
Ben Widawsky | 654c90c | 2014-01-30 00:19:36 -0800 | [diff] [blame] | 1215 | } |
| 1216 | |
| 1217 | if (IS_GEN7(dev)) |
| 1218 | error->err_int = I915_READ(GEN7_ERR_INT); |
| 1219 | |
Mika Kuoppala | 6c826f3 | 2015-03-24 14:54:19 +0200 | [diff] [blame] | 1220 | if (INTEL_INFO(dev)->gen >= 8) { |
| 1221 | error->fault_data0 = I915_READ(GEN8_FAULT_TLB_DATA0); |
| 1222 | error->fault_data1 = I915_READ(GEN8_FAULT_TLB_DATA1); |
| 1223 | } |
| 1224 | |
Ben Widawsky | 91ec5d1 | 2014-01-30 00:19:39 -0800 | [diff] [blame] | 1225 | if (IS_GEN6(dev)) { |
Ville Syrjälä | 4018169 | 2015-10-22 15:34:57 +0300 | [diff] [blame] | 1226 | error->forcewake = I915_READ_FW(FORCEWAKE); |
Ben Widawsky | 91ec5d1 | 2014-01-30 00:19:39 -0800 | [diff] [blame] | 1227 | error->gab_ctl = I915_READ(GAB_CTL); |
| 1228 | error->gfx_mode = I915_READ(GFX_MODE); |
| 1229 | } |
Ben Widawsky | 654c90c | 2014-01-30 00:19:36 -0800 | [diff] [blame] | 1230 | |
Ben Widawsky | 654c90c | 2014-01-30 00:19:36 -0800 | [diff] [blame] | 1231 | /* 2: Registers which belong to multiple generations */ |
| 1232 | if (INTEL_INFO(dev)->gen >= 7) |
Ville Syrjälä | 4018169 | 2015-10-22 15:34:57 +0300 | [diff] [blame] | 1233 | error->forcewake = I915_READ_FW(FORCEWAKE_MT); |
Ben Widawsky | 654c90c | 2014-01-30 00:19:36 -0800 | [diff] [blame] | 1234 | |
| 1235 | if (INTEL_INFO(dev)->gen >= 6) { |
| 1236 | error->derrmr = I915_READ(DERRMR); |
| 1237 | error->error = I915_READ(ERROR_GEN6); |
| 1238 | error->done_reg = I915_READ(DONE_REG); |
| 1239 | } |
| 1240 | |
| 1241 | /* 3: Feature specific registers */ |
Ben Widawsky | 91ec5d1 | 2014-01-30 00:19:39 -0800 | [diff] [blame] | 1242 | if (IS_GEN6(dev) || IS_GEN7(dev)) { |
| 1243 | error->gam_ecochk = I915_READ(GAM_ECOCHK); |
| 1244 | error->gac_eco = I915_READ(GAC_ECO_BITS); |
| 1245 | } |
| 1246 | |
| 1247 | /* 4: Everything else */ |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1248 | if (HAS_HW_CONTEXTS(dev)) |
| 1249 | error->ccid = I915_READ(CCID); |
| 1250 | |
Rodrigo Vivi | 885ea5a | 2014-08-05 10:07:13 -0700 | [diff] [blame] | 1251 | if (INTEL_INFO(dev)->gen >= 8) { |
| 1252 | error->ier = I915_READ(GEN8_DE_MISC_IER); |
| 1253 | for (i = 0; i < 4; i++) |
| 1254 | error->gtier[i] = I915_READ(GEN8_GT_IER(i)); |
| 1255 | } else if (HAS_PCH_SPLIT(dev)) { |
Rodrigo Vivi | 843db71 | 2014-08-01 09:12:27 -0700 | [diff] [blame] | 1256 | error->ier = I915_READ(DEIER); |
Rodrigo Vivi | 885ea5a | 2014-08-05 10:07:13 -0700 | [diff] [blame] | 1257 | error->gtier[0] = I915_READ(GTIER); |
Rodrigo Vivi | 843db71 | 2014-08-01 09:12:27 -0700 | [diff] [blame] | 1258 | } else if (IS_GEN2(dev)) { |
| 1259 | error->ier = I915_READ16(IER); |
| 1260 | } else if (!IS_VALLEYVIEW(dev)) { |
| 1261 | error->ier = I915_READ(IER); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1262 | } |
Ben Widawsky | 654c90c | 2014-01-30 00:19:36 -0800 | [diff] [blame] | 1263 | error->eir = I915_READ(EIR); |
| 1264 | error->pgtbl_er = I915_READ(PGTBL_ER); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1265 | |
| 1266 | i915_get_extra_instdone(dev, error->extra_instdone); |
Ben Widawsky | 1d762aa | 2014-01-30 00:19:35 -0800 | [diff] [blame] | 1267 | } |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1268 | |
Mika Kuoppala | cb38300 | 2014-02-25 17:11:25 +0200 | [diff] [blame] | 1269 | static void i915_error_capture_msg(struct drm_device *dev, |
Mika Kuoppala | 5817446 | 2014-02-25 17:11:26 +0200 | [diff] [blame] | 1270 | struct drm_i915_error_state *error, |
| 1271 | bool wedged, |
| 1272 | const char *error_msg) |
Mika Kuoppala | cb38300 | 2014-02-25 17:11:25 +0200 | [diff] [blame] | 1273 | { |
| 1274 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 1275 | u32 ecode; |
Mika Kuoppala | 5817446 | 2014-02-25 17:11:26 +0200 | [diff] [blame] | 1276 | int ring_id = -1, len; |
Mika Kuoppala | cb38300 | 2014-02-25 17:11:25 +0200 | [diff] [blame] | 1277 | |
| 1278 | ecode = i915_error_generate_code(dev_priv, error, &ring_id); |
| 1279 | |
Mika Kuoppala | 5817446 | 2014-02-25 17:11:26 +0200 | [diff] [blame] | 1280 | len = scnprintf(error->error_msg, sizeof(error->error_msg), |
Mika Kuoppala | 0b5492d | 2014-11-06 13:03:46 +0200 | [diff] [blame] | 1281 | "GPU HANG: ecode %d:%d:0x%08x", |
| 1282 | INTEL_INFO(dev)->gen, ring_id, ecode); |
Mika Kuoppala | 5817446 | 2014-02-25 17:11:26 +0200 | [diff] [blame] | 1283 | |
| 1284 | if (ring_id != -1 && error->ring[ring_id].pid != -1) |
| 1285 | len += scnprintf(error->error_msg + len, |
| 1286 | sizeof(error->error_msg) - len, |
| 1287 | ", in %s [%d]", |
| 1288 | error->ring[ring_id].comm, |
| 1289 | error->ring[ring_id].pid); |
| 1290 | |
| 1291 | scnprintf(error->error_msg + len, sizeof(error->error_msg) - len, |
| 1292 | ", reason: %s, action: %s", |
| 1293 | error_msg, |
| 1294 | wedged ? "reset" : "continue"); |
Mika Kuoppala | cb38300 | 2014-02-25 17:11:25 +0200 | [diff] [blame] | 1295 | } |
| 1296 | |
Mika Kuoppala | 48b031e | 2014-02-25 17:11:27 +0200 | [diff] [blame] | 1297 | static void i915_capture_gen_state(struct drm_i915_private *dev_priv, |
| 1298 | struct drm_i915_error_state *error) |
| 1299 | { |
Chris Wilson | eb5be9d | 2015-08-07 20:24:15 +0100 | [diff] [blame] | 1300 | error->iommu = -1; |
| 1301 | #ifdef CONFIG_INTEL_IOMMU |
| 1302 | error->iommu = intel_iommu_gfx_mapped; |
| 1303 | #endif |
Mika Kuoppala | 48b031e | 2014-02-25 17:11:27 +0200 | [diff] [blame] | 1304 | error->reset_count = i915_reset_count(&dev_priv->gpu_error); |
Mika Kuoppala | 62d5d69 | 2014-02-25 17:11:28 +0200 | [diff] [blame] | 1305 | error->suspend_count = dev_priv->suspend_count; |
Mika Kuoppala | 48b031e | 2014-02-25 17:11:27 +0200 | [diff] [blame] | 1306 | } |
| 1307 | |
Ben Widawsky | 1d762aa | 2014-01-30 00:19:35 -0800 | [diff] [blame] | 1308 | /** |
| 1309 | * i915_capture_error_state - capture an error record for later analysis |
| 1310 | * @dev: drm device |
| 1311 | * |
| 1312 | * Should be called when an error is detected (either a hang or an error |
| 1313 | * interrupt) to capture error state from the time of the error. Fills |
| 1314 | * out a structure which becomes available in debugfs for user level tools |
| 1315 | * to pick up. |
| 1316 | */ |
Mika Kuoppala | 5817446 | 2014-02-25 17:11:26 +0200 | [diff] [blame] | 1317 | void i915_capture_error_state(struct drm_device *dev, bool wedged, |
| 1318 | const char *error_msg) |
Ben Widawsky | 1d762aa | 2014-01-30 00:19:35 -0800 | [diff] [blame] | 1319 | { |
Chris Wilson | 53a4c6b | 2014-01-30 14:38:15 +0000 | [diff] [blame] | 1320 | static bool warned; |
Ben Widawsky | 1d762aa | 2014-01-30 00:19:35 -0800 | [diff] [blame] | 1321 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 1322 | struct drm_i915_error_state *error; |
| 1323 | unsigned long flags; |
Ben Widawsky | 1d762aa | 2014-01-30 00:19:35 -0800 | [diff] [blame] | 1324 | |
| 1325 | /* Account for pipe specific data like PIPE*STAT */ |
| 1326 | error = kzalloc(sizeof(*error), GFP_ATOMIC); |
| 1327 | if (!error) { |
| 1328 | DRM_DEBUG_DRIVER("out of memory, not capturing error state\n"); |
| 1329 | return; |
| 1330 | } |
| 1331 | |
Ben Widawsky | 1d762aa | 2014-01-30 00:19:35 -0800 | [diff] [blame] | 1332 | kref_init(&error->ref); |
| 1333 | |
Mika Kuoppala | 48b031e | 2014-02-25 17:11:27 +0200 | [diff] [blame] | 1334 | i915_capture_gen_state(dev_priv, error); |
Ben Widawsky | 1d762aa | 2014-01-30 00:19:35 -0800 | [diff] [blame] | 1335 | i915_capture_reg_state(dev_priv, error); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1336 | i915_gem_capture_buffers(dev_priv, error); |
| 1337 | i915_gem_record_fences(dev, error); |
| 1338 | i915_gem_record_rings(dev, error); |
| 1339 | |
| 1340 | do_gettimeofday(&error->time); |
| 1341 | |
| 1342 | error->overlay = intel_overlay_capture_error_state(dev); |
| 1343 | error->display = intel_display_capture_error_state(dev); |
| 1344 | |
Mika Kuoppala | 5817446 | 2014-02-25 17:11:26 +0200 | [diff] [blame] | 1345 | i915_error_capture_msg(dev, error, wedged, error_msg); |
Mika Kuoppala | cb38300 | 2014-02-25 17:11:25 +0200 | [diff] [blame] | 1346 | DRM_INFO("%s\n", error->error_msg); |
| 1347 | |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1348 | spin_lock_irqsave(&dev_priv->gpu_error.lock, flags); |
| 1349 | if (dev_priv->gpu_error.first_error == NULL) { |
| 1350 | dev_priv->gpu_error.first_error = error; |
| 1351 | error = NULL; |
| 1352 | } |
| 1353 | spin_unlock_irqrestore(&dev_priv->gpu_error.lock, flags); |
| 1354 | |
Mika Kuoppala | cb38300 | 2014-02-25 17:11:25 +0200 | [diff] [blame] | 1355 | if (error) { |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1356 | i915_error_state_free(&error->ref); |
Mika Kuoppala | cb38300 | 2014-02-25 17:11:25 +0200 | [diff] [blame] | 1357 | return; |
| 1358 | } |
| 1359 | |
| 1360 | if (!warned) { |
| 1361 | DRM_INFO("GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.\n"); |
| 1362 | DRM_INFO("Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel\n"); |
| 1363 | DRM_INFO("drm/i915 developers can then reassign to the right component if it's not a kernel issue.\n"); |
| 1364 | DRM_INFO("The gpu crash dump is required to analyze gpu hangs, so please always attach it.\n"); |
| 1365 | DRM_INFO("GPU crash dump saved to /sys/class/drm/card%d/error\n", dev->primary->index); |
| 1366 | warned = true; |
| 1367 | } |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1368 | } |
| 1369 | |
| 1370 | void i915_error_state_get(struct drm_device *dev, |
| 1371 | struct i915_error_state_file_priv *error_priv) |
| 1372 | { |
| 1373 | struct drm_i915_private *dev_priv = dev->dev_private; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1374 | |
Daniel Vetter | 5b254c5 | 2014-09-15 14:55:24 +0200 | [diff] [blame] | 1375 | spin_lock_irq(&dev_priv->gpu_error.lock); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1376 | error_priv->error = dev_priv->gpu_error.first_error; |
| 1377 | if (error_priv->error) |
| 1378 | kref_get(&error_priv->error->ref); |
Daniel Vetter | 5b254c5 | 2014-09-15 14:55:24 +0200 | [diff] [blame] | 1379 | spin_unlock_irq(&dev_priv->gpu_error.lock); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1380 | |
| 1381 | } |
| 1382 | |
| 1383 | void i915_error_state_put(struct i915_error_state_file_priv *error_priv) |
| 1384 | { |
| 1385 | if (error_priv->error) |
| 1386 | kref_put(&error_priv->error->ref, i915_error_state_free); |
| 1387 | } |
| 1388 | |
| 1389 | void i915_destroy_error_state(struct drm_device *dev) |
| 1390 | { |
| 1391 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 1392 | struct drm_i915_error_state *error; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1393 | |
Daniel Vetter | 5b254c5 | 2014-09-15 14:55:24 +0200 | [diff] [blame] | 1394 | spin_lock_irq(&dev_priv->gpu_error.lock); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1395 | error = dev_priv->gpu_error.first_error; |
| 1396 | dev_priv->gpu_error.first_error = NULL; |
Daniel Vetter | 5b254c5 | 2014-09-15 14:55:24 +0200 | [diff] [blame] | 1397 | spin_unlock_irq(&dev_priv->gpu_error.lock); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1398 | |
| 1399 | if (error) |
| 1400 | kref_put(&error->ref, i915_error_state_free); |
| 1401 | } |
| 1402 | |
Chris Wilson | 0a4cd7c | 2014-08-22 14:41:39 +0100 | [diff] [blame] | 1403 | const char *i915_cache_level_str(struct drm_i915_private *i915, int type) |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1404 | { |
| 1405 | switch (type) { |
| 1406 | case I915_CACHE_NONE: return " uncached"; |
Chris Wilson | 0a4cd7c | 2014-08-22 14:41:39 +0100 | [diff] [blame] | 1407 | case I915_CACHE_LLC: return HAS_LLC(i915) ? " LLC" : " snooped"; |
Chris Wilson | 350ec88 | 2013-08-06 13:17:02 +0100 | [diff] [blame] | 1408 | case I915_CACHE_L3_LLC: return " L3+LLC"; |
Chris Wilson | f56383c | 2013-09-25 10:23:19 +0100 | [diff] [blame] | 1409 | case I915_CACHE_WT: return " WT"; |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1410 | default: return ""; |
| 1411 | } |
| 1412 | } |
| 1413 | |
| 1414 | /* NB: please notice the memset */ |
| 1415 | void i915_get_extra_instdone(struct drm_device *dev, uint32_t *instdone) |
| 1416 | { |
| 1417 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 1418 | memset(instdone, 0, sizeof(*instdone) * I915_NUM_INSTDONE_REG); |
| 1419 | |
Rodrigo Vivi | 563f94f | 2014-12-03 04:55:28 -0800 | [diff] [blame] | 1420 | if (IS_GEN2(dev) || IS_GEN3(dev)) |
Imre Deak | bd93a50 | 2015-09-30 23:00:43 +0300 | [diff] [blame] | 1421 | instdone[0] = I915_READ(GEN2_INSTDONE); |
Rodrigo Vivi | 563f94f | 2014-12-03 04:55:28 -0800 | [diff] [blame] | 1422 | else if (IS_GEN4(dev) || IS_GEN5(dev) || IS_GEN6(dev)) { |
Imre Deak | f1d5434 | 2015-09-30 23:00:42 +0300 | [diff] [blame] | 1423 | instdone[0] = I915_READ(RING_INSTDONE(RENDER_RING_BASE)); |
Imre Deak | 13d70b8 | 2015-09-30 23:00:44 +0300 | [diff] [blame] | 1424 | instdone[1] = I915_READ(GEN4_INSTDONE1); |
Rodrigo Vivi | 563f94f | 2014-12-03 04:55:28 -0800 | [diff] [blame] | 1425 | } else if (INTEL_INFO(dev)->gen >= 7) { |
Imre Deak | f1d5434 | 2015-09-30 23:00:42 +0300 | [diff] [blame] | 1426 | instdone[0] = I915_READ(RING_INSTDONE(RENDER_RING_BASE)); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1427 | instdone[1] = I915_READ(GEN7_SC_INSTDONE); |
| 1428 | instdone[2] = I915_READ(GEN7_SAMPLER_INSTDONE); |
| 1429 | instdone[3] = I915_READ(GEN7_ROW_INSTDONE); |
Mika Kuoppala | 84734a0 | 2013-07-12 16:50:57 +0300 | [diff] [blame] | 1430 | } |
| 1431 | } |