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1da177e4 LT |
1 | /* i915_drv.h -- Private header for the I915 driver -*- linux-c -*- |
2 | */ | |
0d6aa60b | 3 | /* |
bc54fd1a | 4 | * |
1da177e4 LT |
5 | * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. |
6 | * All Rights Reserved. | |
bc54fd1a DA |
7 | * |
8 | * Permission is hereby granted, free of charge, to any person obtaining a | |
9 | * copy of this software and associated documentation files (the | |
10 | * "Software"), to deal in the Software without restriction, including | |
11 | * without limitation the rights to use, copy, modify, merge, publish, | |
12 | * distribute, sub license, and/or sell copies of the Software, and to | |
13 | * permit persons to whom the Software is furnished to do so, subject to | |
14 | * the following conditions: | |
15 | * | |
16 | * The above copyright notice and this permission notice (including the | |
17 | * next paragraph) shall be included in all copies or substantial portions | |
18 | * of the Software. | |
19 | * | |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
21 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
22 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. | |
23 | * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR | |
24 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | |
25 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | |
26 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
27 | * | |
0d6aa60b | 28 | */ |
1da177e4 LT |
29 | |
30 | #ifndef _I915_DRV_H_ | |
31 | #define _I915_DRV_H_ | |
32 | ||
e9b73c67 | 33 | #include <uapi/drm/i915_drm.h> |
93b81f51 | 34 | #include <uapi/drm/drm_fourcc.h> |
e9b73c67 | 35 | |
0839ccb8 | 36 | #include <linux/io-mapping.h> |
f899fc64 | 37 | #include <linux/i2c.h> |
c167a6fc | 38 | #include <linux/i2c-algo-bit.h> |
aaa6fd2a | 39 | #include <linux/backlight.h> |
5cc9ed4b | 40 | #include <linux/hashtable.h> |
2911a35b | 41 | #include <linux/intel-iommu.h> |
742cbee8 | 42 | #include <linux/kref.h> |
9ee32fea | 43 | #include <linux/pm_qos.h> |
d07f0e59 | 44 | #include <linux/reservation.h> |
e73bdd20 CW |
45 | #include <linux/shmem_fs.h> |
46 | ||
47 | #include <drm/drmP.h> | |
48 | #include <drm/intel-gtt.h> | |
49 | #include <drm/drm_legacy.h> /* for struct drm_dma_handle */ | |
50 | #include <drm/drm_gem.h> | |
3b96a0b1 | 51 | #include <drm/drm_auth.h> |
e73bdd20 CW |
52 | |
53 | #include "i915_params.h" | |
54 | #include "i915_reg.h" | |
55 | ||
56 | #include "intel_bios.h" | |
ac7f11c6 | 57 | #include "intel_dpll_mgr.h" |
8c4f24f9 | 58 | #include "intel_uc.h" |
e73bdd20 CW |
59 | #include "intel_lrc.h" |
60 | #include "intel_ringbuffer.h" | |
61 | ||
d501b1d2 | 62 | #include "i915_gem.h" |
6095868a | 63 | #include "i915_gem_context.h" |
b42fe9ca JL |
64 | #include "i915_gem_fence_reg.h" |
65 | #include "i915_gem_object.h" | |
e73bdd20 CW |
66 | #include "i915_gem_gtt.h" |
67 | #include "i915_gem_render_state.h" | |
05235c53 | 68 | #include "i915_gem_request.h" |
73cb9701 | 69 | #include "i915_gem_timeline.h" |
585fb111 | 70 | |
b42fe9ca JL |
71 | #include "i915_vma.h" |
72 | ||
0ad35fed ZW |
73 | #include "intel_gvt.h" |
74 | ||
1da177e4 LT |
75 | /* General customization: |
76 | */ | |
77 | ||
1da177e4 LT |
78 | #define DRIVER_NAME "i915" |
79 | #define DRIVER_DESC "Intel Graphics" | |
f061ff07 DV |
80 | #define DRIVER_DATE "20161226" |
81 | #define DRIVER_TIMESTAMP 1482767304 | |
1da177e4 | 82 | |
c883ef1b | 83 | #undef WARN_ON |
5f77eeb0 DV |
84 | /* Many gcc seem to no see through this and fall over :( */ |
85 | #if 0 | |
86 | #define WARN_ON(x) ({ \ | |
87 | bool __i915_warn_cond = (x); \ | |
88 | if (__builtin_constant_p(__i915_warn_cond)) \ | |
89 | BUILD_BUG_ON(__i915_warn_cond); \ | |
90 | WARN(__i915_warn_cond, "WARN_ON(" #x ")"); }) | |
91 | #else | |
152b2262 | 92 | #define WARN_ON(x) WARN((x), "%s", "WARN_ON(" __stringify(x) ")") |
5f77eeb0 DV |
93 | #endif |
94 | ||
cd9bfacb | 95 | #undef WARN_ON_ONCE |
152b2262 | 96 | #define WARN_ON_ONCE(x) WARN_ONCE((x), "%s", "WARN_ON_ONCE(" __stringify(x) ")") |
cd9bfacb | 97 | |
5f77eeb0 DV |
98 | #define MISSING_CASE(x) WARN(1, "Missing switch case (%lu) in %s\n", \ |
99 | (long) (x), __func__); | |
c883ef1b | 100 | |
e2c719b7 RC |
101 | /* Use I915_STATE_WARN(x) and I915_STATE_WARN_ON() (rather than WARN() and |
102 | * WARN_ON()) for hw state sanity checks to check for unexpected conditions | |
103 | * which may not necessarily be a user visible problem. This will either | |
104 | * WARN() or DRM_ERROR() depending on the verbose_checks moduleparam, to | |
105 | * enable distros and users to tailor their preferred amount of i915 abrt | |
106 | * spam. | |
107 | */ | |
108 | #define I915_STATE_WARN(condition, format...) ({ \ | |
109 | int __ret_warn_on = !!(condition); \ | |
32753cb8 JL |
110 | if (unlikely(__ret_warn_on)) \ |
111 | if (!WARN(i915.verbose_state_checks, format)) \ | |
e2c719b7 | 112 | DRM_ERROR(format); \ |
e2c719b7 RC |
113 | unlikely(__ret_warn_on); \ |
114 | }) | |
115 | ||
152b2262 JL |
116 | #define I915_STATE_WARN_ON(x) \ |
117 | I915_STATE_WARN((x), "%s", "WARN_ON(" __stringify(x) ")") | |
c883ef1b | 118 | |
4fec15d1 ID |
119 | bool __i915_inject_load_failure(const char *func, int line); |
120 | #define i915_inject_load_failure() \ | |
121 | __i915_inject_load_failure(__func__, __LINE__) | |
122 | ||
b95320bd MK |
123 | typedef struct { |
124 | uint32_t val; | |
125 | } uint_fixed_16_16_t; | |
126 | ||
127 | #define FP_16_16_MAX ({ \ | |
128 | uint_fixed_16_16_t fp; \ | |
129 | fp.val = UINT_MAX; \ | |
130 | fp; \ | |
131 | }) | |
132 | ||
133 | static inline uint_fixed_16_16_t u32_to_fixed_16_16(uint32_t val) | |
134 | { | |
135 | uint_fixed_16_16_t fp; | |
136 | ||
137 | WARN_ON(val >> 16); | |
138 | ||
139 | fp.val = val << 16; | |
140 | return fp; | |
141 | } | |
142 | ||
143 | static inline uint32_t fixed_16_16_to_u32_round_up(uint_fixed_16_16_t fp) | |
144 | { | |
145 | return DIV_ROUND_UP(fp.val, 1 << 16); | |
146 | } | |
147 | ||
148 | static inline uint32_t fixed_16_16_to_u32(uint_fixed_16_16_t fp) | |
149 | { | |
150 | return fp.val >> 16; | |
151 | } | |
152 | ||
153 | static inline uint_fixed_16_16_t min_fixed_16_16(uint_fixed_16_16_t min1, | |
154 | uint_fixed_16_16_t min2) | |
155 | { | |
156 | uint_fixed_16_16_t min; | |
157 | ||
158 | min.val = min(min1.val, min2.val); | |
159 | return min; | |
160 | } | |
161 | ||
162 | static inline uint_fixed_16_16_t max_fixed_16_16(uint_fixed_16_16_t max1, | |
163 | uint_fixed_16_16_t max2) | |
164 | { | |
165 | uint_fixed_16_16_t max; | |
166 | ||
167 | max.val = max(max1.val, max2.val); | |
168 | return max; | |
169 | } | |
170 | ||
171 | static inline uint_fixed_16_16_t fixed_16_16_div_round_up(uint32_t val, | |
172 | uint32_t d) | |
173 | { | |
174 | uint_fixed_16_16_t fp, res; | |
175 | ||
176 | fp = u32_to_fixed_16_16(val); | |
177 | res.val = DIV_ROUND_UP(fp.val, d); | |
178 | return res; | |
179 | } | |
180 | ||
181 | static inline uint_fixed_16_16_t fixed_16_16_div_round_up_u64(uint32_t val, | |
182 | uint32_t d) | |
183 | { | |
184 | uint_fixed_16_16_t res; | |
185 | uint64_t interm_val; | |
186 | ||
187 | interm_val = (uint64_t)val << 16; | |
188 | interm_val = DIV_ROUND_UP_ULL(interm_val, d); | |
189 | WARN_ON(interm_val >> 32); | |
190 | res.val = (uint32_t) interm_val; | |
191 | ||
192 | return res; | |
193 | } | |
194 | ||
195 | static inline uint_fixed_16_16_t mul_u32_fixed_16_16(uint32_t val, | |
196 | uint_fixed_16_16_t mul) | |
197 | { | |
198 | uint64_t intermediate_val; | |
199 | uint_fixed_16_16_t fp; | |
200 | ||
201 | intermediate_val = (uint64_t) val * mul.val; | |
202 | WARN_ON(intermediate_val >> 32); | |
203 | fp.val = (uint32_t) intermediate_val; | |
204 | return fp; | |
205 | } | |
206 | ||
42a8ca4c JN |
207 | static inline const char *yesno(bool v) |
208 | { | |
209 | return v ? "yes" : "no"; | |
210 | } | |
211 | ||
87ad3212 JN |
212 | static inline const char *onoff(bool v) |
213 | { | |
214 | return v ? "on" : "off"; | |
215 | } | |
216 | ||
08c4d7fc TU |
217 | static inline const char *enableddisabled(bool v) |
218 | { | |
219 | return v ? "enabled" : "disabled"; | |
220 | } | |
221 | ||
86e61735 MA |
222 | #define range_overflows(start, size, max) ({ \ |
223 | typeof(start) start__ = (start); \ | |
224 | typeof(size) size__ = (size); \ | |
225 | typeof(max) max__ = (max); \ | |
226 | (void)(&start__ == &size__); \ | |
227 | (void)(&start__ == &max__); \ | |
228 | start__ > max__ || size__ > max__ - start__; \ | |
229 | }) | |
230 | ||
231 | #define range_overflows_t(type, start, size, max) \ | |
232 | range_overflows((type)(start), (type)(size), (type)(max)) | |
233 | ||
317c35d1 | 234 | enum pipe { |
752aa88a | 235 | INVALID_PIPE = -1, |
317c35d1 JB |
236 | PIPE_A = 0, |
237 | PIPE_B, | |
9db4a9c7 | 238 | PIPE_C, |
a57c774a AK |
239 | _PIPE_EDP, |
240 | I915_MAX_PIPES = _PIPE_EDP | |
317c35d1 | 241 | }; |
9db4a9c7 | 242 | #define pipe_name(p) ((p) + 'A') |
317c35d1 | 243 | |
a5c961d1 PZ |
244 | enum transcoder { |
245 | TRANSCODER_A = 0, | |
246 | TRANSCODER_B, | |
247 | TRANSCODER_C, | |
a57c774a | 248 | TRANSCODER_EDP, |
4d1de975 JN |
249 | TRANSCODER_DSI_A, |
250 | TRANSCODER_DSI_C, | |
a57c774a | 251 | I915_MAX_TRANSCODERS |
a5c961d1 | 252 | }; |
da205630 JN |
253 | |
254 | static inline const char *transcoder_name(enum transcoder transcoder) | |
255 | { | |
256 | switch (transcoder) { | |
257 | case TRANSCODER_A: | |
258 | return "A"; | |
259 | case TRANSCODER_B: | |
260 | return "B"; | |
261 | case TRANSCODER_C: | |
262 | return "C"; | |
263 | case TRANSCODER_EDP: | |
264 | return "EDP"; | |
4d1de975 JN |
265 | case TRANSCODER_DSI_A: |
266 | return "DSI A"; | |
267 | case TRANSCODER_DSI_C: | |
268 | return "DSI C"; | |
da205630 JN |
269 | default: |
270 | return "<invalid>"; | |
271 | } | |
272 | } | |
a5c961d1 | 273 | |
4d1de975 JN |
274 | static inline bool transcoder_is_dsi(enum transcoder transcoder) |
275 | { | |
276 | return transcoder == TRANSCODER_DSI_A || transcoder == TRANSCODER_DSI_C; | |
277 | } | |
278 | ||
84139d1e | 279 | /* |
b14e5848 VS |
280 | * Global legacy plane identifier. Valid only for primary/sprite |
281 | * planes on pre-g4x, and only for primary planes on g4x+. | |
84139d1e | 282 | */ |
80824003 | 283 | enum plane { |
b14e5848 | 284 | PLANE_A, |
80824003 | 285 | PLANE_B, |
9db4a9c7 | 286 | PLANE_C, |
80824003 | 287 | }; |
9db4a9c7 | 288 | #define plane_name(p) ((p) + 'A') |
52440211 | 289 | |
580503c7 | 290 | #define sprite_name(p, s) ((p) * INTEL_INFO(dev_priv)->num_sprites[(p)] + (s) + 'A') |
06da8da2 | 291 | |
b14e5848 VS |
292 | /* |
293 | * Per-pipe plane identifier. | |
294 | * I915_MAX_PLANES in the enum below is the maximum (across all platforms) | |
295 | * number of planes per CRTC. Not all platforms really have this many planes, | |
296 | * which means some arrays of size I915_MAX_PLANES may have unused entries | |
297 | * between the topmost sprite plane and the cursor plane. | |
298 | * | |
299 | * This is expected to be passed to various register macros | |
300 | * (eg. PLANE_CTL(), PS_PLANE_SEL(), etc.) so adjust with care. | |
301 | */ | |
302 | enum plane_id { | |
303 | PLANE_PRIMARY, | |
304 | PLANE_SPRITE0, | |
305 | PLANE_SPRITE1, | |
306 | PLANE_CURSOR, | |
307 | I915_MAX_PLANES, | |
308 | }; | |
309 | ||
d97d7b48 VS |
310 | #define for_each_plane_id_on_crtc(__crtc, __p) \ |
311 | for ((__p) = PLANE_PRIMARY; (__p) < I915_MAX_PLANES; (__p)++) \ | |
312 | for_each_if ((__crtc)->plane_ids_mask & BIT(__p)) | |
313 | ||
2b139522 | 314 | enum port { |
03cdc1d4 | 315 | PORT_NONE = -1, |
2b139522 ED |
316 | PORT_A = 0, |
317 | PORT_B, | |
318 | PORT_C, | |
319 | PORT_D, | |
320 | PORT_E, | |
321 | I915_MAX_PORTS | |
322 | }; | |
323 | #define port_name(p) ((p) + 'A') | |
324 | ||
a09caddd | 325 | #define I915_NUM_PHYS_VLV 2 |
e4607fcf CML |
326 | |
327 | enum dpio_channel { | |
328 | DPIO_CH0, | |
329 | DPIO_CH1 | |
330 | }; | |
331 | ||
332 | enum dpio_phy { | |
333 | DPIO_PHY0, | |
0a116ce8 ACO |
334 | DPIO_PHY1, |
335 | DPIO_PHY2, | |
e4607fcf CML |
336 | }; |
337 | ||
b97186f0 PZ |
338 | enum intel_display_power_domain { |
339 | POWER_DOMAIN_PIPE_A, | |
340 | POWER_DOMAIN_PIPE_B, | |
341 | POWER_DOMAIN_PIPE_C, | |
342 | POWER_DOMAIN_PIPE_A_PANEL_FITTER, | |
343 | POWER_DOMAIN_PIPE_B_PANEL_FITTER, | |
344 | POWER_DOMAIN_PIPE_C_PANEL_FITTER, | |
345 | POWER_DOMAIN_TRANSCODER_A, | |
346 | POWER_DOMAIN_TRANSCODER_B, | |
347 | POWER_DOMAIN_TRANSCODER_C, | |
f52e353e | 348 | POWER_DOMAIN_TRANSCODER_EDP, |
4d1de975 JN |
349 | POWER_DOMAIN_TRANSCODER_DSI_A, |
350 | POWER_DOMAIN_TRANSCODER_DSI_C, | |
6331a704 PJ |
351 | POWER_DOMAIN_PORT_DDI_A_LANES, |
352 | POWER_DOMAIN_PORT_DDI_B_LANES, | |
353 | POWER_DOMAIN_PORT_DDI_C_LANES, | |
354 | POWER_DOMAIN_PORT_DDI_D_LANES, | |
355 | POWER_DOMAIN_PORT_DDI_E_LANES, | |
319be8ae ID |
356 | POWER_DOMAIN_PORT_DSI, |
357 | POWER_DOMAIN_PORT_CRT, | |
358 | POWER_DOMAIN_PORT_OTHER, | |
cdf8dd7f | 359 | POWER_DOMAIN_VGA, |
fbeeaa23 | 360 | POWER_DOMAIN_AUDIO, |
bd2bb1b9 | 361 | POWER_DOMAIN_PLLS, |
1407121a S |
362 | POWER_DOMAIN_AUX_A, |
363 | POWER_DOMAIN_AUX_B, | |
364 | POWER_DOMAIN_AUX_C, | |
365 | POWER_DOMAIN_AUX_D, | |
f0ab43e6 | 366 | POWER_DOMAIN_GMBUS, |
dfa57627 | 367 | POWER_DOMAIN_MODESET, |
baa70707 | 368 | POWER_DOMAIN_INIT, |
bddc7645 ID |
369 | |
370 | POWER_DOMAIN_NUM, | |
b97186f0 PZ |
371 | }; |
372 | ||
373 | #define POWER_DOMAIN_PIPE(pipe) ((pipe) + POWER_DOMAIN_PIPE_A) | |
374 | #define POWER_DOMAIN_PIPE_PANEL_FITTER(pipe) \ | |
375 | ((pipe) + POWER_DOMAIN_PIPE_A_PANEL_FITTER) | |
f52e353e ID |
376 | #define POWER_DOMAIN_TRANSCODER(tran) \ |
377 | ((tran) == TRANSCODER_EDP ? POWER_DOMAIN_TRANSCODER_EDP : \ | |
378 | (tran) + POWER_DOMAIN_TRANSCODER_A) | |
b97186f0 | 379 | |
1d843f9d EE |
380 | enum hpd_pin { |
381 | HPD_NONE = 0, | |
1d843f9d EE |
382 | HPD_TV = HPD_NONE, /* TV is known to be unreliable */ |
383 | HPD_CRT, | |
384 | HPD_SDVO_B, | |
385 | HPD_SDVO_C, | |
cc24fcdc | 386 | HPD_PORT_A, |
1d843f9d EE |
387 | HPD_PORT_B, |
388 | HPD_PORT_C, | |
389 | HPD_PORT_D, | |
26951caf | 390 | HPD_PORT_E, |
1d843f9d EE |
391 | HPD_NUM_PINS |
392 | }; | |
393 | ||
c91711f9 JN |
394 | #define for_each_hpd_pin(__pin) \ |
395 | for ((__pin) = (HPD_NONE + 1); (__pin) < HPD_NUM_PINS; (__pin)++) | |
396 | ||
5fcece80 JN |
397 | struct i915_hotplug { |
398 | struct work_struct hotplug_work; | |
399 | ||
400 | struct { | |
401 | unsigned long last_jiffies; | |
402 | int count; | |
403 | enum { | |
404 | HPD_ENABLED = 0, | |
405 | HPD_DISABLED = 1, | |
406 | HPD_MARK_DISABLED = 2 | |
407 | } state; | |
408 | } stats[HPD_NUM_PINS]; | |
409 | u32 event_bits; | |
410 | struct delayed_work reenable_work; | |
411 | ||
412 | struct intel_digital_port *irq_port[I915_MAX_PORTS]; | |
413 | u32 long_port_mask; | |
414 | u32 short_port_mask; | |
415 | struct work_struct dig_port_work; | |
416 | ||
19625e85 L |
417 | struct work_struct poll_init_work; |
418 | bool poll_enabled; | |
419 | ||
5fcece80 JN |
420 | /* |
421 | * if we get a HPD irq from DP and a HPD irq from non-DP | |
422 | * the non-DP HPD could block the workqueue on a mode config | |
423 | * mutex getting, that userspace may have taken. However | |
424 | * userspace is waiting on the DP workqueue to run which is | |
425 | * blocked behind the non-DP one. | |
426 | */ | |
427 | struct workqueue_struct *dp_wq; | |
428 | }; | |
429 | ||
2a2d5482 CW |
430 | #define I915_GEM_GPU_DOMAINS \ |
431 | (I915_GEM_DOMAIN_RENDER | \ | |
432 | I915_GEM_DOMAIN_SAMPLER | \ | |
433 | I915_GEM_DOMAIN_COMMAND | \ | |
434 | I915_GEM_DOMAIN_INSTRUCTION | \ | |
435 | I915_GEM_DOMAIN_VERTEX) | |
62fdfeaf | 436 | |
055e393f DL |
437 | #define for_each_pipe(__dev_priv, __p) \ |
438 | for ((__p) = 0; (__p) < INTEL_INFO(__dev_priv)->num_pipes; (__p)++) | |
6831f3e3 VS |
439 | #define for_each_pipe_masked(__dev_priv, __p, __mask) \ |
440 | for ((__p) = 0; (__p) < INTEL_INFO(__dev_priv)->num_pipes; (__p)++) \ | |
441 | for_each_if ((__mask) & (1 << (__p))) | |
8b364b41 | 442 | #define for_each_universal_plane(__dev_priv, __pipe, __p) \ |
dd740780 DL |
443 | for ((__p) = 0; \ |
444 | (__p) < INTEL_INFO(__dev_priv)->num_sprites[(__pipe)] + 1; \ | |
445 | (__p)++) | |
3bdcfc0c DL |
446 | #define for_each_sprite(__dev_priv, __p, __s) \ |
447 | for ((__s) = 0; \ | |
448 | (__s) < INTEL_INFO(__dev_priv)->num_sprites[(__p)]; \ | |
449 | (__s)++) | |
9db4a9c7 | 450 | |
c3aeadc8 JN |
451 | #define for_each_port_masked(__port, __ports_mask) \ |
452 | for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++) \ | |
453 | for_each_if ((__ports_mask) & (1 << (__port))) | |
454 | ||
d79b814d | 455 | #define for_each_crtc(dev, crtc) \ |
91c8a326 | 456 | list_for_each_entry(crtc, &(dev)->mode_config.crtc_list, head) |
d79b814d | 457 | |
27321ae8 ML |
458 | #define for_each_intel_plane(dev, intel_plane) \ |
459 | list_for_each_entry(intel_plane, \ | |
91c8a326 | 460 | &(dev)->mode_config.plane_list, \ |
27321ae8 ML |
461 | base.head) |
462 | ||
c107acfe | 463 | #define for_each_intel_plane_mask(dev, intel_plane, plane_mask) \ |
91c8a326 CW |
464 | list_for_each_entry(intel_plane, \ |
465 | &(dev)->mode_config.plane_list, \ | |
c107acfe MR |
466 | base.head) \ |
467 | for_each_if ((plane_mask) & \ | |
468 | (1 << drm_plane_index(&intel_plane->base))) | |
469 | ||
262cd2e1 VS |
470 | #define for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) \ |
471 | list_for_each_entry(intel_plane, \ | |
472 | &(dev)->mode_config.plane_list, \ | |
473 | base.head) \ | |
95150bdf | 474 | for_each_if ((intel_plane)->pipe == (intel_crtc)->pipe) |
262cd2e1 | 475 | |
91c8a326 CW |
476 | #define for_each_intel_crtc(dev, intel_crtc) \ |
477 | list_for_each_entry(intel_crtc, \ | |
478 | &(dev)->mode_config.crtc_list, \ | |
479 | base.head) | |
d063ae48 | 480 | |
91c8a326 CW |
481 | #define for_each_intel_crtc_mask(dev, intel_crtc, crtc_mask) \ |
482 | list_for_each_entry(intel_crtc, \ | |
483 | &(dev)->mode_config.crtc_list, \ | |
484 | base.head) \ | |
98d39494 MR |
485 | for_each_if ((crtc_mask) & (1 << drm_crtc_index(&intel_crtc->base))) |
486 | ||
b2784e15 DL |
487 | #define for_each_intel_encoder(dev, intel_encoder) \ |
488 | list_for_each_entry(intel_encoder, \ | |
489 | &(dev)->mode_config.encoder_list, \ | |
490 | base.head) | |
491 | ||
3a3371ff ACO |
492 | #define for_each_intel_connector(dev, intel_connector) \ |
493 | list_for_each_entry(intel_connector, \ | |
91c8a326 | 494 | &(dev)->mode_config.connector_list, \ |
3a3371ff ACO |
495 | base.head) |
496 | ||
6c2b7c12 DV |
497 | #define for_each_encoder_on_crtc(dev, __crtc, intel_encoder) \ |
498 | list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \ | |
95150bdf | 499 | for_each_if ((intel_encoder)->base.crtc == (__crtc)) |
6c2b7c12 | 500 | |
53f5e3ca JB |
501 | #define for_each_connector_on_encoder(dev, __encoder, intel_connector) \ |
502 | list_for_each_entry((intel_connector), &(dev)->mode_config.connector_list, base.head) \ | |
95150bdf | 503 | for_each_if ((intel_connector)->base.encoder == (__encoder)) |
53f5e3ca | 504 | |
b04c5bd6 BF |
505 | #define for_each_power_domain(domain, mask) \ |
506 | for ((domain) = 0; (domain) < POWER_DOMAIN_NUM; (domain)++) \ | |
95150bdf | 507 | for_each_if ((1 << (domain)) & (mask)) |
b04c5bd6 | 508 | |
e7b903d2 | 509 | struct drm_i915_private; |
ad46cb53 | 510 | struct i915_mm_struct; |
5cc9ed4b | 511 | struct i915_mmu_object; |
e7b903d2 | 512 | |
a6f766f3 CW |
513 | struct drm_i915_file_private { |
514 | struct drm_i915_private *dev_priv; | |
515 | struct drm_file *file; | |
516 | ||
517 | struct { | |
518 | spinlock_t lock; | |
519 | struct list_head request_list; | |
d0bc54f2 CW |
520 | /* 20ms is a fairly arbitrary limit (greater than the average frame time) |
521 | * chosen to prevent the CPU getting more than a frame ahead of the GPU | |
522 | * (when using lax throttling for the frontbuffer). We also use it to | |
523 | * offer free GPU waitboosts for severely congested workloads. | |
524 | */ | |
525 | #define DRM_I915_THROTTLE_JIFFIES msecs_to_jiffies(20) | |
a6f766f3 CW |
526 | } mm; |
527 | struct idr context_idr; | |
528 | ||
2e1b8730 CW |
529 | struct intel_rps_client { |
530 | struct list_head link; | |
531 | unsigned boosts; | |
532 | } rps; | |
a6f766f3 | 533 | |
c80ff16e | 534 | unsigned int bsd_engine; |
b083a087 MK |
535 | |
536 | /* Client can have a maximum of 3 contexts banned before | |
537 | * it is denied of creating new contexts. As one context | |
538 | * ban needs 4 consecutive hangs, and more if there is | |
539 | * progress in between, this is a last resort stop gap measure | |
540 | * to limit the badly behaving clients access to gpu. | |
541 | */ | |
542 | #define I915_MAX_CLIENT_CONTEXT_BANS 3 | |
543 | int context_bans; | |
a6f766f3 CW |
544 | }; |
545 | ||
e69d0bc1 DV |
546 | /* Used by dp and fdi links */ |
547 | struct intel_link_m_n { | |
548 | uint32_t tu; | |
549 | uint32_t gmch_m; | |
550 | uint32_t gmch_n; | |
551 | uint32_t link_m; | |
552 | uint32_t link_n; | |
553 | }; | |
554 | ||
555 | void intel_link_compute_m_n(int bpp, int nlanes, | |
556 | int pixel_clock, int link_clock, | |
557 | struct intel_link_m_n *m_n); | |
558 | ||
1da177e4 LT |
559 | /* Interface history: |
560 | * | |
561 | * 1.1: Original. | |
0d6aa60b DA |
562 | * 1.2: Add Power Management |
563 | * 1.3: Add vblank support | |
de227f5f | 564 | * 1.4: Fix cmdbuffer path, add heap destroy |
702880f2 | 565 | * 1.5: Add vblank pipe configuration |
2228ed67 MD |
566 | * 1.6: - New ioctl for scheduling buffer swaps on vertical blank |
567 | * - Support vertical blank on secondary display pipe | |
1da177e4 LT |
568 | */ |
569 | #define DRIVER_MAJOR 1 | |
2228ed67 | 570 | #define DRIVER_MINOR 6 |
1da177e4 LT |
571 | #define DRIVER_PATCHLEVEL 0 |
572 | ||
0a3e67a4 JB |
573 | struct opregion_header; |
574 | struct opregion_acpi; | |
575 | struct opregion_swsci; | |
576 | struct opregion_asle; | |
577 | ||
8ee1c3db | 578 | struct intel_opregion { |
115719fc WD |
579 | struct opregion_header *header; |
580 | struct opregion_acpi *acpi; | |
581 | struct opregion_swsci *swsci; | |
ebde53c7 JN |
582 | u32 swsci_gbda_sub_functions; |
583 | u32 swsci_sbcb_sub_functions; | |
115719fc | 584 | struct opregion_asle *asle; |
04ebaadb | 585 | void *rvda; |
82730385 | 586 | const void *vbt; |
ada8f955 | 587 | u32 vbt_size; |
115719fc | 588 | u32 *lid_state; |
91a60f20 | 589 | struct work_struct asle_work; |
8ee1c3db | 590 | }; |
44834a67 | 591 | #define OPREGION_SIZE (8*1024) |
8ee1c3db | 592 | |
6ef3d427 CW |
593 | struct intel_overlay; |
594 | struct intel_overlay_error_state; | |
595 | ||
9b9d172d | 596 | struct sdvo_device_mapping { |
e957d772 | 597 | u8 initialized; |
9b9d172d | 598 | u8 dvo_port; |
599 | u8 slave_addr; | |
600 | u8 dvo_wiring; | |
e957d772 | 601 | u8 i2c_pin; |
b1083333 | 602 | u8 ddc_pin; |
9b9d172d | 603 | }; |
604 | ||
7bd688cd | 605 | struct intel_connector; |
820d2d77 | 606 | struct intel_encoder; |
ccf010fb | 607 | struct intel_atomic_state; |
5cec258b | 608 | struct intel_crtc_state; |
5724dbd1 | 609 | struct intel_initial_plane_config; |
0e8ffe1b | 610 | struct intel_crtc; |
ee9300bb DV |
611 | struct intel_limit; |
612 | struct dpll; | |
b8cecdf5 | 613 | |
e70236a8 | 614 | struct drm_i915_display_funcs { |
1353c4fb | 615 | int (*get_display_clock_speed)(struct drm_i915_private *dev_priv); |
ef0f5e93 | 616 | int (*get_fifo_size)(struct drm_i915_private *dev_priv, int plane); |
e3bddded | 617 | int (*compute_pipe_wm)(struct intel_crtc_state *cstate); |
ed4a6a7c MR |
618 | int (*compute_intermediate_wm)(struct drm_device *dev, |
619 | struct intel_crtc *intel_crtc, | |
620 | struct intel_crtc_state *newstate); | |
ccf010fb ML |
621 | void (*initial_watermarks)(struct intel_atomic_state *state, |
622 | struct intel_crtc_state *cstate); | |
623 | void (*atomic_update_watermarks)(struct intel_atomic_state *state, | |
624 | struct intel_crtc_state *cstate); | |
625 | void (*optimize_watermarks)(struct intel_atomic_state *state, | |
626 | struct intel_crtc_state *cstate); | |
98d39494 | 627 | int (*compute_global_watermarks)(struct drm_atomic_state *state); |
432081bc | 628 | void (*update_wm)(struct intel_crtc *crtc); |
27c329ed ML |
629 | int (*modeset_calc_cdclk)(struct drm_atomic_state *state); |
630 | void (*modeset_commit_cdclk)(struct drm_atomic_state *state); | |
0e8ffe1b DV |
631 | /* Returns the active state of the crtc, and if the crtc is active, |
632 | * fills out the pipe-config with the hw state. */ | |
633 | bool (*get_pipe_config)(struct intel_crtc *, | |
5cec258b | 634 | struct intel_crtc_state *); |
5724dbd1 DL |
635 | void (*get_initial_plane_config)(struct intel_crtc *, |
636 | struct intel_initial_plane_config *); | |
190f68c5 ACO |
637 | int (*crtc_compute_clock)(struct intel_crtc *crtc, |
638 | struct intel_crtc_state *crtc_state); | |
4a806558 ML |
639 | void (*crtc_enable)(struct intel_crtc_state *pipe_config, |
640 | struct drm_atomic_state *old_state); | |
641 | void (*crtc_disable)(struct intel_crtc_state *old_crtc_state, | |
642 | struct drm_atomic_state *old_state); | |
896e5bb0 L |
643 | void (*update_crtcs)(struct drm_atomic_state *state, |
644 | unsigned int *crtc_vblank_mask); | |
69bfe1a9 JN |
645 | void (*audio_codec_enable)(struct drm_connector *connector, |
646 | struct intel_encoder *encoder, | |
5e7234c9 | 647 | const struct drm_display_mode *adjusted_mode); |
69bfe1a9 | 648 | void (*audio_codec_disable)(struct intel_encoder *encoder); |
674cf967 | 649 | void (*fdi_link_train)(struct drm_crtc *crtc); |
46f16e63 | 650 | void (*init_clock_gating)(struct drm_i915_private *dev_priv); |
5a21b665 DV |
651 | int (*queue_flip)(struct drm_device *dev, struct drm_crtc *crtc, |
652 | struct drm_framebuffer *fb, | |
653 | struct drm_i915_gem_object *obj, | |
654 | struct drm_i915_gem_request *req, | |
655 | uint32_t flags); | |
91d14251 | 656 | void (*hpd_irq_setup)(struct drm_i915_private *dev_priv); |
e70236a8 JB |
657 | /* clock updates for mode set */ |
658 | /* cursor updates */ | |
659 | /* render clock increase/decrease */ | |
660 | /* display clock increase/decrease */ | |
661 | /* pll clock increase/decrease */ | |
8563b1e8 | 662 | |
b95c5321 ML |
663 | void (*load_csc_matrix)(struct drm_crtc_state *crtc_state); |
664 | void (*load_luts)(struct drm_crtc_state *crtc_state); | |
e70236a8 JB |
665 | }; |
666 | ||
48c1026a MK |
667 | enum forcewake_domain_id { |
668 | FW_DOMAIN_ID_RENDER = 0, | |
669 | FW_DOMAIN_ID_BLITTER, | |
670 | FW_DOMAIN_ID_MEDIA, | |
671 | ||
672 | FW_DOMAIN_ID_COUNT | |
673 | }; | |
674 | ||
675 | enum forcewake_domains { | |
676 | FORCEWAKE_RENDER = (1 << FW_DOMAIN_ID_RENDER), | |
677 | FORCEWAKE_BLITTER = (1 << FW_DOMAIN_ID_BLITTER), | |
678 | FORCEWAKE_MEDIA = (1 << FW_DOMAIN_ID_MEDIA), | |
679 | FORCEWAKE_ALL = (FORCEWAKE_RENDER | | |
680 | FORCEWAKE_BLITTER | | |
681 | FORCEWAKE_MEDIA) | |
682 | }; | |
683 | ||
3756685a TU |
684 | #define FW_REG_READ (1) |
685 | #define FW_REG_WRITE (2) | |
686 | ||
85ee17eb PP |
687 | enum decoupled_power_domain { |
688 | GEN9_DECOUPLED_PD_BLITTER = 0, | |
689 | GEN9_DECOUPLED_PD_RENDER, | |
690 | GEN9_DECOUPLED_PD_MEDIA, | |
691 | GEN9_DECOUPLED_PD_ALL | |
692 | }; | |
693 | ||
694 | enum decoupled_ops { | |
695 | GEN9_DECOUPLED_OP_WRITE = 0, | |
696 | GEN9_DECOUPLED_OP_READ | |
697 | }; | |
698 | ||
3756685a TU |
699 | enum forcewake_domains |
700 | intel_uncore_forcewake_for_reg(struct drm_i915_private *dev_priv, | |
701 | i915_reg_t reg, unsigned int op); | |
702 | ||
907b28c5 | 703 | struct intel_uncore_funcs { |
c8d9a590 | 704 | void (*force_wake_get)(struct drm_i915_private *dev_priv, |
48c1026a | 705 | enum forcewake_domains domains); |
c8d9a590 | 706 | void (*force_wake_put)(struct drm_i915_private *dev_priv, |
48c1026a | 707 | enum forcewake_domains domains); |
0b274481 | 708 | |
f0f59a00 VS |
709 | uint8_t (*mmio_readb)(struct drm_i915_private *dev_priv, i915_reg_t r, bool trace); |
710 | uint16_t (*mmio_readw)(struct drm_i915_private *dev_priv, i915_reg_t r, bool trace); | |
711 | uint32_t (*mmio_readl)(struct drm_i915_private *dev_priv, i915_reg_t r, bool trace); | |
712 | uint64_t (*mmio_readq)(struct drm_i915_private *dev_priv, i915_reg_t r, bool trace); | |
0b274481 | 713 | |
f0f59a00 | 714 | void (*mmio_writeb)(struct drm_i915_private *dev_priv, i915_reg_t r, |
0b274481 | 715 | uint8_t val, bool trace); |
f0f59a00 | 716 | void (*mmio_writew)(struct drm_i915_private *dev_priv, i915_reg_t r, |
0b274481 | 717 | uint16_t val, bool trace); |
f0f59a00 | 718 | void (*mmio_writel)(struct drm_i915_private *dev_priv, i915_reg_t r, |
0b274481 | 719 | uint32_t val, bool trace); |
990bbdad CW |
720 | }; |
721 | ||
15157970 TU |
722 | struct intel_forcewake_range { |
723 | u32 start; | |
724 | u32 end; | |
725 | ||
726 | enum forcewake_domains domains; | |
727 | }; | |
728 | ||
907b28c5 CW |
729 | struct intel_uncore { |
730 | spinlock_t lock; /** lock is also taken in irq contexts. */ | |
731 | ||
15157970 TU |
732 | const struct intel_forcewake_range *fw_domains_table; |
733 | unsigned int fw_domains_table_entries; | |
734 | ||
907b28c5 CW |
735 | struct intel_uncore_funcs funcs; |
736 | ||
737 | unsigned fifo_count; | |
003342a5 | 738 | |
48c1026a | 739 | enum forcewake_domains fw_domains; |
003342a5 | 740 | enum forcewake_domains fw_domains_active; |
b2cff0db CW |
741 | |
742 | struct intel_uncore_forcewake_domain { | |
743 | struct drm_i915_private *i915; | |
48c1026a | 744 | enum forcewake_domain_id id; |
33c582c1 | 745 | enum forcewake_domains mask; |
b2cff0db | 746 | unsigned wake_count; |
a57a4a67 | 747 | struct hrtimer timer; |
f0f59a00 | 748 | i915_reg_t reg_set; |
05a2fb15 MK |
749 | u32 val_set; |
750 | u32 val_clear; | |
f0f59a00 VS |
751 | i915_reg_t reg_ack; |
752 | i915_reg_t reg_post; | |
05a2fb15 | 753 | u32 val_reset; |
b2cff0db | 754 | } fw_domain[FW_DOMAIN_ID_COUNT]; |
75714940 MK |
755 | |
756 | int unclaimed_mmio_check; | |
b2cff0db CW |
757 | }; |
758 | ||
759 | /* Iterate over initialised fw domains */ | |
33c582c1 TU |
760 | #define for_each_fw_domain_masked(domain__, mask__, dev_priv__) \ |
761 | for ((domain__) = &(dev_priv__)->uncore.fw_domain[0]; \ | |
762 | (domain__) < &(dev_priv__)->uncore.fw_domain[FW_DOMAIN_ID_COUNT]; \ | |
763 | (domain__)++) \ | |
764 | for_each_if ((mask__) & (domain__)->mask) | |
765 | ||
766 | #define for_each_fw_domain(domain__, dev_priv__) \ | |
767 | for_each_fw_domain_masked(domain__, FORCEWAKE_ALL, dev_priv__) | |
907b28c5 | 768 | |
b6e7d894 DL |
769 | #define CSR_VERSION(major, minor) ((major) << 16 | (minor)) |
770 | #define CSR_VERSION_MAJOR(version) ((version) >> 16) | |
771 | #define CSR_VERSION_MINOR(version) ((version) & 0xffff) | |
772 | ||
eb805623 | 773 | struct intel_csr { |
8144ac59 | 774 | struct work_struct work; |
eb805623 | 775 | const char *fw_path; |
a7f749f9 | 776 | uint32_t *dmc_payload; |
eb805623 | 777 | uint32_t dmc_fw_size; |
b6e7d894 | 778 | uint32_t version; |
eb805623 | 779 | uint32_t mmio_count; |
f0f59a00 | 780 | i915_reg_t mmioaddr[8]; |
eb805623 | 781 | uint32_t mmiodata[8]; |
832dba88 | 782 | uint32_t dc_state; |
a37baf3b | 783 | uint32_t allowed_dc_mask; |
eb805623 DV |
784 | }; |
785 | ||
604db650 JL |
786 | #define DEV_INFO_FOR_EACH_FLAG(func) \ |
787 | func(is_mobile); \ | |
3e4274f8 | 788 | func(is_lp); \ |
c007fb4a | 789 | func(is_alpha_support); \ |
566c56a4 | 790 | /* Keep has_* in alphabetical order */ \ |
dfc5148f | 791 | func(has_64bit_reloc); \ |
9e1d0e60 | 792 | func(has_aliasing_ppgtt); \ |
604db650 | 793 | func(has_csr); \ |
566c56a4 | 794 | func(has_ddi); \ |
70821af6 | 795 | func(has_decoupled_mmio); \ |
604db650 | 796 | func(has_dp_mst); \ |
566c56a4 JL |
797 | func(has_fbc); \ |
798 | func(has_fpga_dbg); \ | |
9e1d0e60 MT |
799 | func(has_full_ppgtt); \ |
800 | func(has_full_48bit_ppgtt); \ | |
604db650 | 801 | func(has_gmbus_irq); \ |
604db650 JL |
802 | func(has_gmch_display); \ |
803 | func(has_guc); \ | |
604db650 | 804 | func(has_hotplug); \ |
566c56a4 JL |
805 | func(has_hw_contexts); \ |
806 | func(has_l3_dpf); \ | |
604db650 | 807 | func(has_llc); \ |
566c56a4 JL |
808 | func(has_logical_ring_contexts); \ |
809 | func(has_overlay); \ | |
810 | func(has_pipe_cxsr); \ | |
811 | func(has_pooled_eu); \ | |
812 | func(has_psr); \ | |
813 | func(has_rc6); \ | |
814 | func(has_rc6p); \ | |
815 | func(has_resource_streamer); \ | |
816 | func(has_runtime_pm); \ | |
604db650 | 817 | func(has_snoop); \ |
566c56a4 JL |
818 | func(cursor_needs_physical); \ |
819 | func(hws_needs_physical); \ | |
820 | func(overlay_needs_physical); \ | |
70821af6 | 821 | func(supports_tv); |
c96ea64e | 822 | |
915490d5 | 823 | struct sseu_dev_info { |
f08a0c92 | 824 | u8 slice_mask; |
57ec171e | 825 | u8 subslice_mask; |
915490d5 ID |
826 | u8 eu_total; |
827 | u8 eu_per_subslice; | |
43b67998 ID |
828 | u8 min_eu_in_pool; |
829 | /* For each slice, which subslice(s) has(have) 7 EUs (bitfield)? */ | |
830 | u8 subslice_7eu[3]; | |
831 | u8 has_slice_pg:1; | |
832 | u8 has_subslice_pg:1; | |
833 | u8 has_eu_pg:1; | |
915490d5 ID |
834 | }; |
835 | ||
57ec171e ID |
836 | static inline unsigned int sseu_subslice_total(const struct sseu_dev_info *sseu) |
837 | { | |
838 | return hweight8(sseu->slice_mask) * hweight8(sseu->subslice_mask); | |
839 | } | |
840 | ||
2e0d26f8 JN |
841 | /* Keep in gen based order, and chronological order within a gen */ |
842 | enum intel_platform { | |
843 | INTEL_PLATFORM_UNINITIALIZED = 0, | |
844 | INTEL_I830, | |
845 | INTEL_I845G, | |
846 | INTEL_I85X, | |
847 | INTEL_I865G, | |
848 | INTEL_I915G, | |
849 | INTEL_I915GM, | |
850 | INTEL_I945G, | |
851 | INTEL_I945GM, | |
852 | INTEL_G33, | |
853 | INTEL_PINEVIEW, | |
c0f86832 JN |
854 | INTEL_I965G, |
855 | INTEL_I965GM, | |
f69c11ae JN |
856 | INTEL_G45, |
857 | INTEL_GM45, | |
2e0d26f8 JN |
858 | INTEL_IRONLAKE, |
859 | INTEL_SANDYBRIDGE, | |
860 | INTEL_IVYBRIDGE, | |
861 | INTEL_VALLEYVIEW, | |
862 | INTEL_HASWELL, | |
863 | INTEL_BROADWELL, | |
864 | INTEL_CHERRYVIEW, | |
865 | INTEL_SKYLAKE, | |
866 | INTEL_BROXTON, | |
867 | INTEL_KABYLAKE, | |
868 | INTEL_GEMINILAKE, | |
869 | }; | |
870 | ||
cfdf1fa2 | 871 | struct intel_device_info { |
10fce67a | 872 | u32 display_mmio_offset; |
87f1f465 | 873 | u16 device_id; |
ac208a8b | 874 | u8 num_pipes; |
d615a166 | 875 | u8 num_sprites[I915_MAX_PIPES]; |
c96c3a8c | 876 | u8 gen; |
ae5702d2 | 877 | u16 gen_mask; |
2e0d26f8 | 878 | enum intel_platform platform; |
73ae478c | 879 | u8 ring_mask; /* Rings supported by the HW */ |
c1bb1145 | 880 | u8 num_rings; |
604db650 JL |
881 | #define DEFINE_FLAG(name) u8 name:1 |
882 | DEV_INFO_FOR_EACH_FLAG(DEFINE_FLAG); | |
883 | #undef DEFINE_FLAG | |
6f3fff60 | 884 | u16 ddb_size; /* in blocks */ |
a57c774a AK |
885 | /* Register offsets for the various display pipes and transcoders */ |
886 | int pipe_offsets[I915_MAX_TRANSCODERS]; | |
887 | int trans_offsets[I915_MAX_TRANSCODERS]; | |
a57c774a | 888 | int palette_offsets[I915_MAX_PIPES]; |
5efb3e28 | 889 | int cursor_offsets[I915_MAX_PIPES]; |
3873218f JM |
890 | |
891 | /* Slice/subslice/EU info */ | |
43b67998 | 892 | struct sseu_dev_info sseu; |
82cf435b LL |
893 | |
894 | struct color_luts { | |
895 | u16 degamma_lut_size; | |
896 | u16 gamma_lut_size; | |
897 | } color; | |
cfdf1fa2 KH |
898 | }; |
899 | ||
2bd160a1 CW |
900 | struct intel_display_error_state; |
901 | ||
902 | struct drm_i915_error_state { | |
903 | struct kref ref; | |
904 | struct timeval time; | |
de867c20 CW |
905 | struct timeval boottime; |
906 | struct timeval uptime; | |
2bd160a1 | 907 | |
9f267eb8 CW |
908 | struct drm_i915_private *i915; |
909 | ||
2bd160a1 CW |
910 | char error_msg[128]; |
911 | bool simulated; | |
912 | int iommu; | |
913 | u32 reset_count; | |
914 | u32 suspend_count; | |
915 | struct intel_device_info device_info; | |
916 | ||
917 | /* Generic register state */ | |
918 | u32 eir; | |
919 | u32 pgtbl_er; | |
920 | u32 ier; | |
921 | u32 gtier[4]; | |
922 | u32 ccid; | |
923 | u32 derrmr; | |
924 | u32 forcewake; | |
925 | u32 error; /* gen6+ */ | |
926 | u32 err_int; /* gen7 */ | |
927 | u32 fault_data0; /* gen8, gen9 */ | |
928 | u32 fault_data1; /* gen8, gen9 */ | |
929 | u32 done_reg; | |
930 | u32 gac_eco; | |
931 | u32 gam_ecochk; | |
932 | u32 gab_ctl; | |
933 | u32 gfx_mode; | |
d636951e | 934 | |
2bd160a1 CW |
935 | u64 fence[I915_MAX_NUM_FENCES]; |
936 | struct intel_overlay_error_state *overlay; | |
937 | struct intel_display_error_state *display; | |
51d545d0 | 938 | struct drm_i915_error_object *semaphore; |
27b85bea | 939 | struct drm_i915_error_object *guc_log; |
2bd160a1 CW |
940 | |
941 | struct drm_i915_error_engine { | |
942 | int engine_id; | |
943 | /* Software tracked state */ | |
944 | bool waiting; | |
945 | int num_waiters; | |
3fe3b030 MK |
946 | unsigned long hangcheck_timestamp; |
947 | bool hangcheck_stalled; | |
2bd160a1 CW |
948 | enum intel_engine_hangcheck_action hangcheck_action; |
949 | struct i915_address_space *vm; | |
950 | int num_requests; | |
951 | ||
cdb324bd CW |
952 | /* position of active request inside the ring */ |
953 | u32 rq_head, rq_post, rq_tail; | |
954 | ||
2bd160a1 CW |
955 | /* our own tracking of ring head and tail */ |
956 | u32 cpu_ring_head; | |
957 | u32 cpu_ring_tail; | |
958 | ||
959 | u32 last_seqno; | |
2bd160a1 CW |
960 | |
961 | /* Register state */ | |
962 | u32 start; | |
963 | u32 tail; | |
964 | u32 head; | |
965 | u32 ctl; | |
21a2c58a | 966 | u32 mode; |
2bd160a1 CW |
967 | u32 hws; |
968 | u32 ipeir; | |
969 | u32 ipehr; | |
2bd160a1 CW |
970 | u32 bbstate; |
971 | u32 instpm; | |
972 | u32 instps; | |
973 | u32 seqno; | |
974 | u64 bbaddr; | |
975 | u64 acthd; | |
976 | u32 fault_reg; | |
977 | u64 faddr; | |
978 | u32 rc_psmi; /* sleep state */ | |
979 | u32 semaphore_mboxes[I915_NUM_ENGINES - 1]; | |
d636951e | 980 | struct intel_instdone instdone; |
2bd160a1 CW |
981 | |
982 | struct drm_i915_error_object { | |
2bd160a1 | 983 | u64 gtt_offset; |
03382dfb | 984 | u64 gtt_size; |
0a97015d CW |
985 | int page_count; |
986 | int unused; | |
2bd160a1 CW |
987 | u32 *pages[0]; |
988 | } *ringbuffer, *batchbuffer, *wa_batchbuffer, *ctx, *hws_page; | |
989 | ||
990 | struct drm_i915_error_object *wa_ctx; | |
991 | ||
992 | struct drm_i915_error_request { | |
993 | long jiffies; | |
c84455b4 | 994 | pid_t pid; |
35ca039e | 995 | u32 context; |
84102171 | 996 | int ban_score; |
2bd160a1 CW |
997 | u32 seqno; |
998 | u32 head; | |
999 | u32 tail; | |
35ca039e | 1000 | } *requests, execlist[2]; |
2bd160a1 CW |
1001 | |
1002 | struct drm_i915_error_waiter { | |
1003 | char comm[TASK_COMM_LEN]; | |
1004 | pid_t pid; | |
1005 | u32 seqno; | |
1006 | } *waiters; | |
1007 | ||
1008 | struct { | |
1009 | u32 gfx_mode; | |
1010 | union { | |
1011 | u64 pdp[4]; | |
1012 | u32 pp_dir_base; | |
1013 | }; | |
1014 | } vm_info; | |
1015 | ||
1016 | pid_t pid; | |
1017 | char comm[TASK_COMM_LEN]; | |
b083a087 | 1018 | int context_bans; |
2bd160a1 CW |
1019 | } engine[I915_NUM_ENGINES]; |
1020 | ||
1021 | struct drm_i915_error_buffer { | |
1022 | u32 size; | |
1023 | u32 name; | |
1024 | u32 rseqno[I915_NUM_ENGINES], wseqno; | |
1025 | u64 gtt_offset; | |
1026 | u32 read_domains; | |
1027 | u32 write_domain; | |
1028 | s32 fence_reg:I915_MAX_NUM_FENCE_BITS; | |
1029 | u32 tiling:2; | |
1030 | u32 dirty:1; | |
1031 | u32 purgeable:1; | |
1032 | u32 userptr:1; | |
1033 | s32 engine:4; | |
1034 | u32 cache_level:3; | |
1035 | } *active_bo[I915_NUM_ENGINES], *pinned_bo; | |
1036 | u32 active_bo_count[I915_NUM_ENGINES], pinned_bo_count; | |
1037 | struct i915_address_space *active_vm[I915_NUM_ENGINES]; | |
1038 | }; | |
1039 | ||
7faf1ab2 DV |
1040 | enum i915_cache_level { |
1041 | I915_CACHE_NONE = 0, | |
350ec881 CW |
1042 | I915_CACHE_LLC, /* also used for snoopable memory on non-LLC */ |
1043 | I915_CACHE_L3_LLC, /* gen7+, L3 sits between the domain specifc | |
1044 | caches, eg sampler/render caches, and the | |
1045 | large Last-Level-Cache. LLC is coherent with | |
1046 | the CPU, but L3 is only visible to the GPU. */ | |
651d794f | 1047 | I915_CACHE_WT, /* hsw:gt3e WriteThrough for scanouts */ |
7faf1ab2 DV |
1048 | }; |
1049 | ||
85fd4f58 CW |
1050 | #define I915_COLOR_UNEVICTABLE (-1) /* a non-vma sharing the address space */ |
1051 | ||
a4001f1b PZ |
1052 | enum fb_op_origin { |
1053 | ORIGIN_GTT, | |
1054 | ORIGIN_CPU, | |
1055 | ORIGIN_CS, | |
1056 | ORIGIN_FLIP, | |
74b4ea1e | 1057 | ORIGIN_DIRTYFB, |
a4001f1b PZ |
1058 | }; |
1059 | ||
ab34a7e8 | 1060 | struct intel_fbc { |
25ad93fd PZ |
1061 | /* This is always the inner lock when overlapping with struct_mutex and |
1062 | * it's the outer lock when overlapping with stolen_lock. */ | |
1063 | struct mutex lock; | |
5e59f717 | 1064 | unsigned threshold; |
dbef0f15 PZ |
1065 | unsigned int possible_framebuffer_bits; |
1066 | unsigned int busy_bits; | |
010cf73d | 1067 | unsigned int visible_pipes_mask; |
e35fef21 | 1068 | struct intel_crtc *crtc; |
5c3fe8b0 | 1069 | |
c4213885 | 1070 | struct drm_mm_node compressed_fb; |
5c3fe8b0 BW |
1071 | struct drm_mm_node *compressed_llb; |
1072 | ||
da46f936 RV |
1073 | bool false_color; |
1074 | ||
d029bcad | 1075 | bool enabled; |
0e631adc | 1076 | bool active; |
9adccc60 | 1077 | |
61a585d6 PZ |
1078 | bool underrun_detected; |
1079 | struct work_struct underrun_work; | |
1080 | ||
aaf78d27 PZ |
1081 | struct intel_fbc_state_cache { |
1082 | struct { | |
1083 | unsigned int mode_flags; | |
1084 | uint32_t hsw_bdw_pixel_rate; | |
1085 | } crtc; | |
1086 | ||
1087 | struct { | |
1088 | unsigned int rotation; | |
1089 | int src_w; | |
1090 | int src_h; | |
1091 | bool visible; | |
1092 | } plane; | |
1093 | ||
1094 | struct { | |
1095 | u64 ilk_ggtt_offset; | |
aaf78d27 PZ |
1096 | uint32_t pixel_format; |
1097 | unsigned int stride; | |
1098 | int fence_reg; | |
1099 | unsigned int tiling_mode; | |
1100 | } fb; | |
1101 | } state_cache; | |
1102 | ||
b183b3f1 PZ |
1103 | struct intel_fbc_reg_params { |
1104 | struct { | |
1105 | enum pipe pipe; | |
1106 | enum plane plane; | |
1107 | unsigned int fence_y_offset; | |
1108 | } crtc; | |
1109 | ||
1110 | struct { | |
1111 | u64 ggtt_offset; | |
b183b3f1 PZ |
1112 | uint32_t pixel_format; |
1113 | unsigned int stride; | |
1114 | int fence_reg; | |
1115 | } fb; | |
1116 | ||
1117 | int cfb_size; | |
1118 | } params; | |
1119 | ||
5c3fe8b0 | 1120 | struct intel_fbc_work { |
128d7356 | 1121 | bool scheduled; |
ca18d51d | 1122 | u32 scheduled_vblank; |
128d7356 | 1123 | struct work_struct work; |
128d7356 | 1124 | } work; |
5c3fe8b0 | 1125 | |
bf6189c6 | 1126 | const char *no_fbc_reason; |
b5e50c3f JB |
1127 | }; |
1128 | ||
fe88d122 | 1129 | /* |
96178eeb VK |
1130 | * HIGH_RR is the highest eDP panel refresh rate read from EDID |
1131 | * LOW_RR is the lowest eDP panel refresh rate found from EDID | |
1132 | * parsing for same resolution. | |
1133 | */ | |
1134 | enum drrs_refresh_rate_type { | |
1135 | DRRS_HIGH_RR, | |
1136 | DRRS_LOW_RR, | |
1137 | DRRS_MAX_RR, /* RR count */ | |
1138 | }; | |
1139 | ||
1140 | enum drrs_support_type { | |
1141 | DRRS_NOT_SUPPORTED = 0, | |
1142 | STATIC_DRRS_SUPPORT = 1, | |
1143 | SEAMLESS_DRRS_SUPPORT = 2 | |
439d7ac0 PB |
1144 | }; |
1145 | ||
2807cf69 | 1146 | struct intel_dp; |
96178eeb VK |
1147 | struct i915_drrs { |
1148 | struct mutex mutex; | |
1149 | struct delayed_work work; | |
1150 | struct intel_dp *dp; | |
1151 | unsigned busy_frontbuffer_bits; | |
1152 | enum drrs_refresh_rate_type refresh_rate_type; | |
1153 | enum drrs_support_type type; | |
1154 | }; | |
1155 | ||
a031d709 | 1156 | struct i915_psr { |
f0355c4a | 1157 | struct mutex lock; |
a031d709 RV |
1158 | bool sink_support; |
1159 | bool source_ok; | |
2807cf69 | 1160 | struct intel_dp *enabled; |
7c8f8a70 RV |
1161 | bool active; |
1162 | struct delayed_work work; | |
9ca15301 | 1163 | unsigned busy_frontbuffer_bits; |
474d1ec4 SJ |
1164 | bool psr2_support; |
1165 | bool aux_frame_sync; | |
60e5ffe3 | 1166 | bool link_standby; |
3f51e471 | 1167 | }; |
5c3fe8b0 | 1168 | |
3bad0781 | 1169 | enum intel_pch { |
f0350830 | 1170 | PCH_NONE = 0, /* No PCH present */ |
3bad0781 ZW |
1171 | PCH_IBX, /* Ibexpeak PCH */ |
1172 | PCH_CPT, /* Cougarpoint PCH */ | |
eb877ebf | 1173 | PCH_LPT, /* Lynxpoint PCH */ |
e7e7ea20 | 1174 | PCH_SPT, /* Sunrisepoint PCH */ |
22dea0be | 1175 | PCH_KBP, /* Kabypoint PCH */ |
40c7ead9 | 1176 | PCH_NOP, |
3bad0781 ZW |
1177 | }; |
1178 | ||
988d6ee8 PZ |
1179 | enum intel_sbi_destination { |
1180 | SBI_ICLK, | |
1181 | SBI_MPHY, | |
1182 | }; | |
1183 | ||
b690e96c | 1184 | #define QUIRK_PIPEA_FORCE (1<<0) |
435793df | 1185 | #define QUIRK_LVDS_SSC_DISABLE (1<<1) |
4dca20ef | 1186 | #define QUIRK_INVERT_BRIGHTNESS (1<<2) |
9c72cc6f | 1187 | #define QUIRK_BACKLIGHT_PRESENT (1<<3) |
b6b5d049 | 1188 | #define QUIRK_PIPEB_FORCE (1<<4) |
656bfa3a | 1189 | #define QUIRK_PIN_SWIZZLED_PAGES (1<<5) |
b690e96c | 1190 | |
8be48d92 | 1191 | struct intel_fbdev; |
1630fe75 | 1192 | struct intel_fbc_work; |
38651674 | 1193 | |
c2b9152f DV |
1194 | struct intel_gmbus { |
1195 | struct i2c_adapter adapter; | |
3e4d44e0 | 1196 | #define GMBUS_FORCE_BIT_RETRY (1U << 31) |
f2ce9faf | 1197 | u32 force_bit; |
c2b9152f | 1198 | u32 reg0; |
f0f59a00 | 1199 | i915_reg_t gpio_reg; |
c167a6fc | 1200 | struct i2c_algo_bit_data bit_algo; |
c2b9152f DV |
1201 | struct drm_i915_private *dev_priv; |
1202 | }; | |
1203 | ||
f4c956ad | 1204 | struct i915_suspend_saved_registers { |
e948e994 | 1205 | u32 saveDSPARB; |
ba8bbcf6 | 1206 | u32 saveFBC_CONTROL; |
1f84e550 | 1207 | u32 saveCACHE_MODE_0; |
1f84e550 | 1208 | u32 saveMI_ARB_STATE; |
ba8bbcf6 JB |
1209 | u32 saveSWF0[16]; |
1210 | u32 saveSWF1[16]; | |
85fa792b | 1211 | u32 saveSWF3[3]; |
4b9de737 | 1212 | uint64_t saveFENCE[I915_MAX_NUM_FENCES]; |
cda2bb78 | 1213 | u32 savePCH_PORT_HOTPLUG; |
9f49c376 | 1214 | u16 saveGCDGMBUS; |
f4c956ad | 1215 | }; |
c85aa885 | 1216 | |
ddeea5b0 ID |
1217 | struct vlv_s0ix_state { |
1218 | /* GAM */ | |
1219 | u32 wr_watermark; | |
1220 | u32 gfx_prio_ctrl; | |
1221 | u32 arb_mode; | |
1222 | u32 gfx_pend_tlb0; | |
1223 | u32 gfx_pend_tlb1; | |
1224 | u32 lra_limits[GEN7_LRA_LIMITS_REG_NUM]; | |
1225 | u32 media_max_req_count; | |
1226 | u32 gfx_max_req_count; | |
1227 | u32 render_hwsp; | |
1228 | u32 ecochk; | |
1229 | u32 bsd_hwsp; | |
1230 | u32 blt_hwsp; | |
1231 | u32 tlb_rd_addr; | |
1232 | ||
1233 | /* MBC */ | |
1234 | u32 g3dctl; | |
1235 | u32 gsckgctl; | |
1236 | u32 mbctl; | |
1237 | ||
1238 | /* GCP */ | |
1239 | u32 ucgctl1; | |
1240 | u32 ucgctl3; | |
1241 | u32 rcgctl1; | |
1242 | u32 rcgctl2; | |
1243 | u32 rstctl; | |
1244 | u32 misccpctl; | |
1245 | ||
1246 | /* GPM */ | |
1247 | u32 gfxpause; | |
1248 | u32 rpdeuhwtc; | |
1249 | u32 rpdeuc; | |
1250 | u32 ecobus; | |
1251 | u32 pwrdwnupctl; | |
1252 | u32 rp_down_timeout; | |
1253 | u32 rp_deucsw; | |
1254 | u32 rcubmabdtmr; | |
1255 | u32 rcedata; | |
1256 | u32 spare2gh; | |
1257 | ||
1258 | /* Display 1 CZ domain */ | |
1259 | u32 gt_imr; | |
1260 | u32 gt_ier; | |
1261 | u32 pm_imr; | |
1262 | u32 pm_ier; | |
1263 | u32 gt_scratch[GEN7_GT_SCRATCH_REG_NUM]; | |
1264 | ||
1265 | /* GT SA CZ domain */ | |
1266 | u32 tilectl; | |
1267 | u32 gt_fifoctl; | |
1268 | u32 gtlc_wake_ctrl; | |
1269 | u32 gtlc_survive; | |
1270 | u32 pmwgicz; | |
1271 | ||
1272 | /* Display 2 CZ domain */ | |
1273 | u32 gu_ctl0; | |
1274 | u32 gu_ctl1; | |
9c25210f | 1275 | u32 pcbr; |
ddeea5b0 ID |
1276 | u32 clock_gate_dis2; |
1277 | }; | |
1278 | ||
bf225f20 CW |
1279 | struct intel_rps_ei { |
1280 | u32 cz_clock; | |
1281 | u32 render_c0; | |
1282 | u32 media_c0; | |
31685c25 D |
1283 | }; |
1284 | ||
c85aa885 | 1285 | struct intel_gen6_power_mgmt { |
d4d70aa5 ID |
1286 | /* |
1287 | * work, interrupts_enabled and pm_iir are protected by | |
1288 | * dev_priv->irq_lock | |
1289 | */ | |
c85aa885 | 1290 | struct work_struct work; |
d4d70aa5 | 1291 | bool interrupts_enabled; |
c85aa885 | 1292 | u32 pm_iir; |
59cdb63d | 1293 | |
b20e3cfe | 1294 | /* PM interrupt bits that should never be masked */ |
1800ad25 SAK |
1295 | u32 pm_intr_keep; |
1296 | ||
b39fb297 BW |
1297 | /* Frequencies are stored in potentially platform dependent multiples. |
1298 | * In other words, *_freq needs to be multiplied by X to be interesting. | |
1299 | * Soft limits are those which are used for the dynamic reclocking done | |
1300 | * by the driver (raise frequencies under heavy loads, and lower for | |
1301 | * lighter loads). Hard limits are those imposed by the hardware. | |
1302 | * | |
1303 | * A distinction is made for overclocking, which is never enabled by | |
1304 | * default, and is considered to be above the hard limit if it's | |
1305 | * possible at all. | |
1306 | */ | |
1307 | u8 cur_freq; /* Current frequency (cached, may not == HW) */ | |
1308 | u8 min_freq_softlimit; /* Minimum frequency permitted by the driver */ | |
1309 | u8 max_freq_softlimit; /* Max frequency permitted by the driver */ | |
1310 | u8 max_freq; /* Maximum frequency, RP0 if not overclocking */ | |
1311 | u8 min_freq; /* AKA RPn. Minimum frequency */ | |
29ecd78d | 1312 | u8 boost_freq; /* Frequency to request when wait boosting */ |
aed242ff | 1313 | u8 idle_freq; /* Frequency to request when we are idle */ |
b39fb297 BW |
1314 | u8 efficient_freq; /* AKA RPe. Pre-determined balanced frequency */ |
1315 | u8 rp1_freq; /* "less than" RP0 power/freqency */ | |
1316 | u8 rp0_freq; /* Non-overclocked max frequency. */ | |
c30fec65 | 1317 | u16 gpll_ref_freq; /* vlv/chv GPLL reference frequency */ |
1a01ab3b | 1318 | |
8fb55197 CW |
1319 | u8 up_threshold; /* Current %busy required to uplock */ |
1320 | u8 down_threshold; /* Current %busy required to downclock */ | |
1321 | ||
dd75fdc8 CW |
1322 | int last_adj; |
1323 | enum { LOW_POWER, BETWEEN, HIGH_POWER } power; | |
1324 | ||
8d3afd7d CW |
1325 | spinlock_t client_lock; |
1326 | struct list_head clients; | |
1327 | bool client_boost; | |
1328 | ||
c0951f0c | 1329 | bool enabled; |
54b4f68f | 1330 | struct delayed_work autoenable_work; |
1854d5ca | 1331 | unsigned boosts; |
4fc688ce | 1332 | |
bf225f20 CW |
1333 | /* manual wa residency calculations */ |
1334 | struct intel_rps_ei up_ei, down_ei; | |
1335 | ||
4fc688ce JB |
1336 | /* |
1337 | * Protects RPS/RC6 register access and PCU communication. | |
8d3afd7d CW |
1338 | * Must be taken after struct_mutex if nested. Note that |
1339 | * this lock may be held for long periods of time when | |
1340 | * talking to hw - so only take it when talking to hw! | |
4fc688ce JB |
1341 | */ |
1342 | struct mutex hw_lock; | |
c85aa885 DV |
1343 | }; |
1344 | ||
1a240d4d DV |
1345 | /* defined intel_pm.c */ |
1346 | extern spinlock_t mchdev_lock; | |
1347 | ||
c85aa885 DV |
1348 | struct intel_ilk_power_mgmt { |
1349 | u8 cur_delay; | |
1350 | u8 min_delay; | |
1351 | u8 max_delay; | |
1352 | u8 fmax; | |
1353 | u8 fstart; | |
1354 | ||
1355 | u64 last_count1; | |
1356 | unsigned long last_time1; | |
1357 | unsigned long chipset_power; | |
1358 | u64 last_count2; | |
5ed0bdf2 | 1359 | u64 last_time2; |
c85aa885 DV |
1360 | unsigned long gfx_power; |
1361 | u8 corr; | |
1362 | ||
1363 | int c_m; | |
1364 | int r_t; | |
1365 | }; | |
1366 | ||
c6cb582e ID |
1367 | struct drm_i915_private; |
1368 | struct i915_power_well; | |
1369 | ||
1370 | struct i915_power_well_ops { | |
1371 | /* | |
1372 | * Synchronize the well's hw state to match the current sw state, for | |
1373 | * example enable/disable it based on the current refcount. Called | |
1374 | * during driver init and resume time, possibly after first calling | |
1375 | * the enable/disable handlers. | |
1376 | */ | |
1377 | void (*sync_hw)(struct drm_i915_private *dev_priv, | |
1378 | struct i915_power_well *power_well); | |
1379 | /* | |
1380 | * Enable the well and resources that depend on it (for example | |
1381 | * interrupts located on the well). Called after the 0->1 refcount | |
1382 | * transition. | |
1383 | */ | |
1384 | void (*enable)(struct drm_i915_private *dev_priv, | |
1385 | struct i915_power_well *power_well); | |
1386 | /* | |
1387 | * Disable the well and resources that depend on it. Called after | |
1388 | * the 1->0 refcount transition. | |
1389 | */ | |
1390 | void (*disable)(struct drm_i915_private *dev_priv, | |
1391 | struct i915_power_well *power_well); | |
1392 | /* Returns the hw enabled state. */ | |
1393 | bool (*is_enabled)(struct drm_i915_private *dev_priv, | |
1394 | struct i915_power_well *power_well); | |
1395 | }; | |
1396 | ||
a38911a3 WX |
1397 | /* Power well structure for haswell */ |
1398 | struct i915_power_well { | |
c1ca727f | 1399 | const char *name; |
6f3ef5dd | 1400 | bool always_on; |
a38911a3 WX |
1401 | /* power well enable/disable usage count */ |
1402 | int count; | |
bfafe93a ID |
1403 | /* cached hw enabled state */ |
1404 | bool hw_enabled; | |
c1ca727f | 1405 | unsigned long domains; |
01c3faa7 ACO |
1406 | /* unique identifier for this power well */ |
1407 | unsigned long id; | |
362624c9 ACO |
1408 | /* |
1409 | * Arbitraty data associated with this power well. Platform and power | |
1410 | * well specific. | |
1411 | */ | |
1412 | unsigned long data; | |
c6cb582e | 1413 | const struct i915_power_well_ops *ops; |
a38911a3 WX |
1414 | }; |
1415 | ||
83c00f55 | 1416 | struct i915_power_domains { |
baa70707 ID |
1417 | /* |
1418 | * Power wells needed for initialization at driver init and suspend | |
1419 | * time are on. They are kept on until after the first modeset. | |
1420 | */ | |
1421 | bool init_power_on; | |
0d116a29 | 1422 | bool initializing; |
c1ca727f | 1423 | int power_well_count; |
baa70707 | 1424 | |
83c00f55 | 1425 | struct mutex lock; |
1da51581 | 1426 | int domain_use_count[POWER_DOMAIN_NUM]; |
c1ca727f | 1427 | struct i915_power_well *power_wells; |
83c00f55 ID |
1428 | }; |
1429 | ||
35a85ac6 | 1430 | #define MAX_L3_SLICES 2 |
a4da4fa4 | 1431 | struct intel_l3_parity { |
35a85ac6 | 1432 | u32 *remap_info[MAX_L3_SLICES]; |
a4da4fa4 | 1433 | struct work_struct error_work; |
35a85ac6 | 1434 | int which_slice; |
a4da4fa4 DV |
1435 | }; |
1436 | ||
4b5aed62 | 1437 | struct i915_gem_mm { |
4b5aed62 DV |
1438 | /** Memory allocator for GTT stolen memory */ |
1439 | struct drm_mm stolen; | |
92e97d2f PZ |
1440 | /** Protects the usage of the GTT stolen memory allocator. This is |
1441 | * always the inner lock when overlapping with struct_mutex. */ | |
1442 | struct mutex stolen_lock; | |
1443 | ||
4b5aed62 DV |
1444 | /** List of all objects in gtt_space. Used to restore gtt |
1445 | * mappings on resume */ | |
1446 | struct list_head bound_list; | |
1447 | /** | |
1448 | * List of objects which are not bound to the GTT (thus | |
fbbd37b3 CW |
1449 | * are idle and not used by the GPU). These objects may or may |
1450 | * not actually have any pages attached. | |
4b5aed62 DV |
1451 | */ |
1452 | struct list_head unbound_list; | |
1453 | ||
275f039d CW |
1454 | /** List of all objects in gtt_space, currently mmaped by userspace. |
1455 | * All objects within this list must also be on bound_list. | |
1456 | */ | |
1457 | struct list_head userfault_list; | |
1458 | ||
fbbd37b3 CW |
1459 | /** |
1460 | * List of objects which are pending destruction. | |
1461 | */ | |
1462 | struct llist_head free_list; | |
1463 | struct work_struct free_work; | |
1464 | ||
4b5aed62 DV |
1465 | /** Usable portion of the GTT for GEM */ |
1466 | unsigned long stolen_base; /* limited to low memory (32-bit) */ | |
1467 | ||
4b5aed62 DV |
1468 | /** PPGTT used for aliasing the PPGTT with the GTT */ |
1469 | struct i915_hw_ppgtt *aliasing_ppgtt; | |
1470 | ||
2cfcd32a | 1471 | struct notifier_block oom_notifier; |
e87666b5 | 1472 | struct notifier_block vmap_notifier; |
ceabbba5 | 1473 | struct shrinker shrinker; |
4b5aed62 | 1474 | |
4b5aed62 DV |
1475 | /** LRU list of objects with fence regs on them. */ |
1476 | struct list_head fence_list; | |
1477 | ||
4b5aed62 DV |
1478 | /** |
1479 | * Are we in a non-interruptible section of code like | |
1480 | * modesetting? | |
1481 | */ | |
1482 | bool interruptible; | |
1483 | ||
bdf1e7e3 | 1484 | /* the indicator for dispatch video commands on two BSD rings */ |
6f633402 | 1485 | atomic_t bsd_engine_dispatch_index; |
bdf1e7e3 | 1486 | |
4b5aed62 DV |
1487 | /** Bit 6 swizzling required for X tiling */ |
1488 | uint32_t bit_6_swizzle_x; | |
1489 | /** Bit 6 swizzling required for Y tiling */ | |
1490 | uint32_t bit_6_swizzle_y; | |
1491 | ||
4b5aed62 | 1492 | /* accounting, useful for userland debugging */ |
c20e8355 | 1493 | spinlock_t object_stat_lock; |
3ef7f228 | 1494 | u64 object_memory; |
4b5aed62 DV |
1495 | u32 object_count; |
1496 | }; | |
1497 | ||
edc3d884 | 1498 | struct drm_i915_error_state_buf { |
0a4cd7c8 | 1499 | struct drm_i915_private *i915; |
edc3d884 MK |
1500 | unsigned bytes; |
1501 | unsigned size; | |
1502 | int err; | |
1503 | u8 *buf; | |
1504 | loff_t start; | |
1505 | loff_t pos; | |
1506 | }; | |
1507 | ||
fc16b48b | 1508 | struct i915_error_state_file_priv { |
12ff05e7 | 1509 | struct drm_i915_private *i915; |
fc16b48b MK |
1510 | struct drm_i915_error_state *error; |
1511 | }; | |
1512 | ||
b52992c0 CW |
1513 | #define I915_RESET_TIMEOUT (10 * HZ) /* 10s */ |
1514 | #define I915_FENCE_TIMEOUT (10 * HZ) /* 10s */ | |
1515 | ||
3fe3b030 MK |
1516 | #define I915_ENGINE_DEAD_TIMEOUT (4 * HZ) /* Seqno, head and subunits dead */ |
1517 | #define I915_SEQNO_DEAD_TIMEOUT (12 * HZ) /* Seqno dead with active head */ | |
1518 | ||
99584db3 DV |
1519 | struct i915_gpu_error { |
1520 | /* For hangcheck timer */ | |
1521 | #define DRM_I915_HANGCHECK_PERIOD 1500 /* in ms */ | |
1522 | #define DRM_I915_HANGCHECK_JIFFIES msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD) | |
be62acb4 | 1523 | |
737b1506 | 1524 | struct delayed_work hangcheck_work; |
99584db3 DV |
1525 | |
1526 | /* For reset and error_state handling. */ | |
1527 | spinlock_t lock; | |
1528 | /* Protected by the above dev->gpu_error.lock. */ | |
1529 | struct drm_i915_error_state *first_error; | |
094f9a54 CW |
1530 | |
1531 | unsigned long missed_irq_rings; | |
1532 | ||
1f83fee0 | 1533 | /** |
2ac0f450 | 1534 | * State variable controlling the reset flow and count |
1f83fee0 | 1535 | * |
2ac0f450 | 1536 | * This is a counter which gets incremented when reset is triggered, |
8af29b0c CW |
1537 | * |
1538 | * Before the reset commences, the I915_RESET_IN_PROGRESS bit is set | |
1539 | * meaning that any waiters holding onto the struct_mutex should | |
1540 | * relinquish the lock immediately in order for the reset to start. | |
2ac0f450 MK |
1541 | * |
1542 | * If reset is not completed succesfully, the I915_WEDGE bit is | |
1543 | * set meaning that hardware is terminally sour and there is no | |
1544 | * recovery. All waiters on the reset_queue will be woken when | |
1545 | * that happens. | |
1546 | * | |
1547 | * This counter is used by the wait_seqno code to notice that reset | |
1548 | * event happened and it needs to restart the entire ioctl (since most | |
1549 | * likely the seqno it waited for won't ever signal anytime soon). | |
f69061be DV |
1550 | * |
1551 | * This is important for lock-free wait paths, where no contended lock | |
1552 | * naturally enforces the correct ordering between the bail-out of the | |
1553 | * waiter and the gpu reset work code. | |
1f83fee0 | 1554 | */ |
8af29b0c | 1555 | unsigned long reset_count; |
1f83fee0 | 1556 | |
8af29b0c CW |
1557 | unsigned long flags; |
1558 | #define I915_RESET_IN_PROGRESS 0 | |
1559 | #define I915_WEDGED (BITS_PER_LONG - 1) | |
1f83fee0 | 1560 | |
1f15b76f CW |
1561 | /** |
1562 | * Waitqueue to signal when a hang is detected. Used to for waiters | |
1563 | * to release the struct_mutex for the reset to procede. | |
1564 | */ | |
1565 | wait_queue_head_t wait_queue; | |
1566 | ||
1f83fee0 DV |
1567 | /** |
1568 | * Waitqueue to signal when the reset has completed. Used by clients | |
1569 | * that wait for dev_priv->mm.wedged to settle. | |
1570 | */ | |
1571 | wait_queue_head_t reset_queue; | |
33196ded | 1572 | |
094f9a54 | 1573 | /* For missed irq/seqno simulation. */ |
688e6c72 | 1574 | unsigned long test_irq_rings; |
99584db3 DV |
1575 | }; |
1576 | ||
b8efb17b ZR |
1577 | enum modeset_restore { |
1578 | MODESET_ON_LID_OPEN, | |
1579 | MODESET_DONE, | |
1580 | MODESET_SUSPENDED, | |
1581 | }; | |
1582 | ||
500ea70d RV |
1583 | #define DP_AUX_A 0x40 |
1584 | #define DP_AUX_B 0x10 | |
1585 | #define DP_AUX_C 0x20 | |
1586 | #define DP_AUX_D 0x30 | |
1587 | ||
11c1b657 XZ |
1588 | #define DDC_PIN_B 0x05 |
1589 | #define DDC_PIN_C 0x04 | |
1590 | #define DDC_PIN_D 0x06 | |
1591 | ||
6acab15a | 1592 | struct ddi_vbt_port_info { |
ce4dd49e DL |
1593 | /* |
1594 | * This is an index in the HDMI/DVI DDI buffer translation table. | |
1595 | * The special value HDMI_LEVEL_SHIFT_UNKNOWN means the VBT didn't | |
1596 | * populate this field. | |
1597 | */ | |
1598 | #define HDMI_LEVEL_SHIFT_UNKNOWN 0xff | |
6acab15a | 1599 | uint8_t hdmi_level_shift; |
311a2094 PZ |
1600 | |
1601 | uint8_t supports_dvi:1; | |
1602 | uint8_t supports_hdmi:1; | |
1603 | uint8_t supports_dp:1; | |
a98d9c1d | 1604 | uint8_t supports_edp:1; |
500ea70d RV |
1605 | |
1606 | uint8_t alternate_aux_channel; | |
11c1b657 | 1607 | uint8_t alternate_ddc_pin; |
75067dde AK |
1608 | |
1609 | uint8_t dp_boost_level; | |
1610 | uint8_t hdmi_boost_level; | |
6acab15a PZ |
1611 | }; |
1612 | ||
bfd7ebda RV |
1613 | enum psr_lines_to_wait { |
1614 | PSR_0_LINES_TO_WAIT = 0, | |
1615 | PSR_1_LINE_TO_WAIT, | |
1616 | PSR_4_LINES_TO_WAIT, | |
1617 | PSR_8_LINES_TO_WAIT | |
83a7280e PB |
1618 | }; |
1619 | ||
41aa3448 RV |
1620 | struct intel_vbt_data { |
1621 | struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */ | |
1622 | struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */ | |
1623 | ||
1624 | /* Feature bits */ | |
1625 | unsigned int int_tv_support:1; | |
1626 | unsigned int lvds_dither:1; | |
1627 | unsigned int lvds_vbt:1; | |
1628 | unsigned int int_crt_support:1; | |
1629 | unsigned int lvds_use_ssc:1; | |
1630 | unsigned int display_clock_mode:1; | |
1631 | unsigned int fdi_rx_polarity_inverted:1; | |
3e845c7a | 1632 | unsigned int panel_type:4; |
41aa3448 RV |
1633 | int lvds_ssc_freq; |
1634 | unsigned int bios_lvds_val; /* initial [PCH_]LVDS reg val in VBIOS */ | |
1635 | ||
83a7280e PB |
1636 | enum drrs_support_type drrs_type; |
1637 | ||
6aa23e65 JN |
1638 | struct { |
1639 | int rate; | |
1640 | int lanes; | |
1641 | int preemphasis; | |
1642 | int vswing; | |
06411f08 | 1643 | bool low_vswing; |
6aa23e65 JN |
1644 | bool initialized; |
1645 | bool support; | |
1646 | int bpp; | |
1647 | struct edp_power_seq pps; | |
1648 | } edp; | |
41aa3448 | 1649 | |
bfd7ebda RV |
1650 | struct { |
1651 | bool full_link; | |
1652 | bool require_aux_wakeup; | |
1653 | int idle_frames; | |
1654 | enum psr_lines_to_wait lines_to_wait; | |
1655 | int tp1_wakeup_time; | |
1656 | int tp2_tp3_wakeup_time; | |
1657 | } psr; | |
1658 | ||
f00076d2 JN |
1659 | struct { |
1660 | u16 pwm_freq_hz; | |
39fbc9c8 | 1661 | bool present; |
f00076d2 | 1662 | bool active_low_pwm; |
1de6068e | 1663 | u8 min_brightness; /* min_brightness/255 of max */ |
add03379 | 1664 | u8 controller; /* brightness controller number */ |
9a41e17d | 1665 | enum intel_backlight_type type; |
f00076d2 JN |
1666 | } backlight; |
1667 | ||
d17c5443 SK |
1668 | /* MIPI DSI */ |
1669 | struct { | |
1670 | u16 panel_id; | |
d3b542fc SK |
1671 | struct mipi_config *config; |
1672 | struct mipi_pps_data *pps; | |
1673 | u8 seq_version; | |
1674 | u32 size; | |
1675 | u8 *data; | |
8d3ed2f3 | 1676 | const u8 *sequence[MIPI_SEQ_MAX]; |
d17c5443 SK |
1677 | } dsi; |
1678 | ||
41aa3448 RV |
1679 | int crt_ddc_pin; |
1680 | ||
1681 | int child_dev_num; | |
768f69c9 | 1682 | union child_device_config *child_dev; |
6acab15a PZ |
1683 | |
1684 | struct ddi_vbt_port_info ddi_port_info[I915_MAX_PORTS]; | |
9d6c875d | 1685 | struct sdvo_device_mapping sdvo_mappings[2]; |
41aa3448 RV |
1686 | }; |
1687 | ||
77c122bc VS |
1688 | enum intel_ddb_partitioning { |
1689 | INTEL_DDB_PART_1_2, | |
1690 | INTEL_DDB_PART_5_6, /* IVB+ */ | |
1691 | }; | |
1692 | ||
1fd527cc VS |
1693 | struct intel_wm_level { |
1694 | bool enable; | |
1695 | uint32_t pri_val; | |
1696 | uint32_t spr_val; | |
1697 | uint32_t cur_val; | |
1698 | uint32_t fbc_val; | |
1699 | }; | |
1700 | ||
820c1980 | 1701 | struct ilk_wm_values { |
609cedef VS |
1702 | uint32_t wm_pipe[3]; |
1703 | uint32_t wm_lp[3]; | |
1704 | uint32_t wm_lp_spr[3]; | |
1705 | uint32_t wm_linetime[3]; | |
1706 | bool enable_fbc_wm; | |
1707 | enum intel_ddb_partitioning partitioning; | |
1708 | }; | |
1709 | ||
262cd2e1 | 1710 | struct vlv_pipe_wm { |
1b31389c | 1711 | uint16_t plane[I915_MAX_PLANES]; |
262cd2e1 | 1712 | }; |
ae80152d | 1713 | |
262cd2e1 VS |
1714 | struct vlv_sr_wm { |
1715 | uint16_t plane; | |
1b31389c VS |
1716 | uint16_t cursor; |
1717 | }; | |
1718 | ||
1719 | struct vlv_wm_ddl_values { | |
1720 | uint8_t plane[I915_MAX_PLANES]; | |
262cd2e1 | 1721 | }; |
ae80152d | 1722 | |
262cd2e1 VS |
1723 | struct vlv_wm_values { |
1724 | struct vlv_pipe_wm pipe[3]; | |
1725 | struct vlv_sr_wm sr; | |
1b31389c | 1726 | struct vlv_wm_ddl_values ddl[3]; |
6eb1a681 VS |
1727 | uint8_t level; |
1728 | bool cxsr; | |
0018fda1 VS |
1729 | }; |
1730 | ||
c193924e | 1731 | struct skl_ddb_entry { |
16160e3d | 1732 | uint16_t start, end; /* in number of blocks, 'end' is exclusive */ |
c193924e DL |
1733 | }; |
1734 | ||
1735 | static inline uint16_t skl_ddb_entry_size(const struct skl_ddb_entry *entry) | |
1736 | { | |
16160e3d | 1737 | return entry->end - entry->start; |
c193924e DL |
1738 | } |
1739 | ||
08db6652 DL |
1740 | static inline bool skl_ddb_entry_equal(const struct skl_ddb_entry *e1, |
1741 | const struct skl_ddb_entry *e2) | |
1742 | { | |
1743 | if (e1->start == e2->start && e1->end == e2->end) | |
1744 | return true; | |
1745 | ||
1746 | return false; | |
1747 | } | |
1748 | ||
c193924e | 1749 | struct skl_ddb_allocation { |
2cd601c6 | 1750 | struct skl_ddb_entry plane[I915_MAX_PIPES][I915_MAX_PLANES]; /* packed/uv */ |
4969d33e | 1751 | struct skl_ddb_entry y_plane[I915_MAX_PIPES][I915_MAX_PLANES]; |
c193924e DL |
1752 | }; |
1753 | ||
2ac96d2a | 1754 | struct skl_wm_values { |
2b4b9f35 | 1755 | unsigned dirty_pipes; |
c193924e | 1756 | struct skl_ddb_allocation ddb; |
2ac96d2a PB |
1757 | }; |
1758 | ||
1759 | struct skl_wm_level { | |
a62163e9 L |
1760 | bool plane_en; |
1761 | uint16_t plane_res_b; | |
1762 | uint8_t plane_res_l; | |
2ac96d2a PB |
1763 | }; |
1764 | ||
c67a470b | 1765 | /* |
765dab67 PZ |
1766 | * This struct helps tracking the state needed for runtime PM, which puts the |
1767 | * device in PCI D3 state. Notice that when this happens, nothing on the | |
1768 | * graphics device works, even register access, so we don't get interrupts nor | |
1769 | * anything else. | |
c67a470b | 1770 | * |
765dab67 PZ |
1771 | * Every piece of our code that needs to actually touch the hardware needs to |
1772 | * either call intel_runtime_pm_get or call intel_display_power_get with the | |
1773 | * appropriate power domain. | |
a8a8bd54 | 1774 | * |
765dab67 PZ |
1775 | * Our driver uses the autosuspend delay feature, which means we'll only really |
1776 | * suspend if we stay with zero refcount for a certain amount of time. The | |
f458ebbc | 1777 | * default value is currently very conservative (see intel_runtime_pm_enable), but |
765dab67 | 1778 | * it can be changed with the standard runtime PM files from sysfs. |
c67a470b PZ |
1779 | * |
1780 | * The irqs_disabled variable becomes true exactly after we disable the IRQs and | |
1781 | * goes back to false exactly before we reenable the IRQs. We use this variable | |
1782 | * to check if someone is trying to enable/disable IRQs while they're supposed | |
1783 | * to be disabled. This shouldn't happen and we'll print some error messages in | |
730488b2 | 1784 | * case it happens. |
c67a470b | 1785 | * |
765dab67 | 1786 | * For more, read the Documentation/power/runtime_pm.txt. |
c67a470b | 1787 | */ |
5d584b2e | 1788 | struct i915_runtime_pm { |
1f814dac | 1789 | atomic_t wakeref_count; |
5d584b2e | 1790 | bool suspended; |
2aeb7d3a | 1791 | bool irqs_enabled; |
c67a470b PZ |
1792 | }; |
1793 | ||
926321d5 DV |
1794 | enum intel_pipe_crc_source { |
1795 | INTEL_PIPE_CRC_SOURCE_NONE, | |
1796 | INTEL_PIPE_CRC_SOURCE_PLANE1, | |
1797 | INTEL_PIPE_CRC_SOURCE_PLANE2, | |
1798 | INTEL_PIPE_CRC_SOURCE_PF, | |
5b3a856b | 1799 | INTEL_PIPE_CRC_SOURCE_PIPE, |
3d099a05 DV |
1800 | /* TV/DP on pre-gen5/vlv can't use the pipe source. */ |
1801 | INTEL_PIPE_CRC_SOURCE_TV, | |
1802 | INTEL_PIPE_CRC_SOURCE_DP_B, | |
1803 | INTEL_PIPE_CRC_SOURCE_DP_C, | |
1804 | INTEL_PIPE_CRC_SOURCE_DP_D, | |
46a19188 | 1805 | INTEL_PIPE_CRC_SOURCE_AUTO, |
926321d5 DV |
1806 | INTEL_PIPE_CRC_SOURCE_MAX, |
1807 | }; | |
1808 | ||
8bf1e9f1 | 1809 | struct intel_pipe_crc_entry { |
ac2300d4 | 1810 | uint32_t frame; |
8bf1e9f1 SH |
1811 | uint32_t crc[5]; |
1812 | }; | |
1813 | ||
b2c88f5b | 1814 | #define INTEL_PIPE_CRC_ENTRIES_NR 128 |
8bf1e9f1 | 1815 | struct intel_pipe_crc { |
d538bbdf DL |
1816 | spinlock_t lock; |
1817 | bool opened; /* exclusive access to the result file */ | |
e5f75aca | 1818 | struct intel_pipe_crc_entry *entries; |
926321d5 | 1819 | enum intel_pipe_crc_source source; |
d538bbdf | 1820 | int head, tail; |
07144428 | 1821 | wait_queue_head_t wq; |
8bf1e9f1 SH |
1822 | }; |
1823 | ||
f99d7069 | 1824 | struct i915_frontbuffer_tracking { |
b5add959 | 1825 | spinlock_t lock; |
f99d7069 DV |
1826 | |
1827 | /* | |
1828 | * Tracking bits for delayed frontbuffer flushing du to gpu activity or | |
1829 | * scheduled flips. | |
1830 | */ | |
1831 | unsigned busy_bits; | |
1832 | unsigned flip_bits; | |
1833 | }; | |
1834 | ||
7225342a | 1835 | struct i915_wa_reg { |
f0f59a00 | 1836 | i915_reg_t addr; |
7225342a MK |
1837 | u32 value; |
1838 | /* bitmask representing WA bits */ | |
1839 | u32 mask; | |
1840 | }; | |
1841 | ||
33136b06 AS |
1842 | /* |
1843 | * RING_MAX_NONPRIV_SLOTS is per-engine but at this point we are only | |
1844 | * allowing it for RCS as we don't foresee any requirement of having | |
1845 | * a whitelist for other engines. When it is really required for | |
1846 | * other engines then the limit need to be increased. | |
1847 | */ | |
1848 | #define I915_MAX_WA_REGS (16 + RING_MAX_NONPRIV_SLOTS) | |
7225342a MK |
1849 | |
1850 | struct i915_workarounds { | |
1851 | struct i915_wa_reg reg[I915_MAX_WA_REGS]; | |
1852 | u32 count; | |
666796da | 1853 | u32 hw_whitelist_count[I915_NUM_ENGINES]; |
7225342a MK |
1854 | }; |
1855 | ||
cf9d2890 YZ |
1856 | struct i915_virtual_gpu { |
1857 | bool active; | |
1858 | }; | |
1859 | ||
aa363136 MR |
1860 | /* used in computing the new watermarks state */ |
1861 | struct intel_wm_config { | |
1862 | unsigned int num_pipes_active; | |
1863 | bool sprites_enabled; | |
1864 | bool sprites_scaled; | |
1865 | }; | |
1866 | ||
d7965152 RB |
1867 | struct i915_oa_format { |
1868 | u32 format; | |
1869 | int size; | |
1870 | }; | |
1871 | ||
8a3003dd RB |
1872 | struct i915_oa_reg { |
1873 | i915_reg_t addr; | |
1874 | u32 value; | |
1875 | }; | |
1876 | ||
eec688e1 RB |
1877 | struct i915_perf_stream; |
1878 | ||
16d98b31 RB |
1879 | /** |
1880 | * struct i915_perf_stream_ops - the OPs to support a specific stream type | |
1881 | */ | |
eec688e1 | 1882 | struct i915_perf_stream_ops { |
16d98b31 RB |
1883 | /** |
1884 | * @enable: Enables the collection of HW samples, either in response to | |
1885 | * `I915_PERF_IOCTL_ENABLE` or implicitly called when stream is opened | |
1886 | * without `I915_PERF_FLAG_DISABLED`. | |
eec688e1 RB |
1887 | */ |
1888 | void (*enable)(struct i915_perf_stream *stream); | |
1889 | ||
16d98b31 RB |
1890 | /** |
1891 | * @disable: Disables the collection of HW samples, either in response | |
1892 | * to `I915_PERF_IOCTL_DISABLE` or implicitly called before destroying | |
1893 | * the stream. | |
eec688e1 RB |
1894 | */ |
1895 | void (*disable)(struct i915_perf_stream *stream); | |
1896 | ||
16d98b31 RB |
1897 | /** |
1898 | * @poll_wait: Call poll_wait, passing a wait queue that will be woken | |
eec688e1 RB |
1899 | * once there is something ready to read() for the stream |
1900 | */ | |
1901 | void (*poll_wait)(struct i915_perf_stream *stream, | |
1902 | struct file *file, | |
1903 | poll_table *wait); | |
1904 | ||
16d98b31 RB |
1905 | /** |
1906 | * @wait_unlocked: For handling a blocking read, wait until there is | |
1907 | * something to ready to read() for the stream. E.g. wait on the same | |
d7965152 | 1908 | * wait queue that would be passed to poll_wait(). |
eec688e1 RB |
1909 | */ |
1910 | int (*wait_unlocked)(struct i915_perf_stream *stream); | |
1911 | ||
16d98b31 RB |
1912 | /** |
1913 | * @read: Copy buffered metrics as records to userspace | |
1914 | * **buf**: the userspace, destination buffer | |
1915 | * **count**: the number of bytes to copy, requested by userspace | |
1916 | * **offset**: zero at the start of the read, updated as the read | |
1917 | * proceeds, it represents how many bytes have been copied so far and | |
1918 | * the buffer offset for copying the next record. | |
eec688e1 | 1919 | * |
16d98b31 RB |
1920 | * Copy as many buffered i915 perf samples and records for this stream |
1921 | * to userspace as will fit in the given buffer. | |
eec688e1 | 1922 | * |
16d98b31 RB |
1923 | * Only write complete records; returning -%ENOSPC if there isn't room |
1924 | * for a complete record. | |
eec688e1 | 1925 | * |
16d98b31 RB |
1926 | * Return any error condition that results in a short read such as |
1927 | * -%ENOSPC or -%EFAULT, even though these may be squashed before | |
1928 | * returning to userspace. | |
eec688e1 RB |
1929 | */ |
1930 | int (*read)(struct i915_perf_stream *stream, | |
1931 | char __user *buf, | |
1932 | size_t count, | |
1933 | size_t *offset); | |
1934 | ||
16d98b31 RB |
1935 | /** |
1936 | * @destroy: Cleanup any stream specific resources. | |
eec688e1 RB |
1937 | * |
1938 | * The stream will always be disabled before this is called. | |
1939 | */ | |
1940 | void (*destroy)(struct i915_perf_stream *stream); | |
1941 | }; | |
1942 | ||
16d98b31 RB |
1943 | /** |
1944 | * struct i915_perf_stream - state for a single open stream FD | |
1945 | */ | |
eec688e1 | 1946 | struct i915_perf_stream { |
16d98b31 RB |
1947 | /** |
1948 | * @dev_priv: i915 drm device | |
1949 | */ | |
eec688e1 RB |
1950 | struct drm_i915_private *dev_priv; |
1951 | ||
16d98b31 RB |
1952 | /** |
1953 | * @link: Links the stream into ``&drm_i915_private->streams`` | |
1954 | */ | |
eec688e1 RB |
1955 | struct list_head link; |
1956 | ||
16d98b31 RB |
1957 | /** |
1958 | * @sample_flags: Flags representing the `DRM_I915_PERF_PROP_SAMPLE_*` | |
1959 | * properties given when opening a stream, representing the contents | |
1960 | * of a single sample as read() by userspace. | |
1961 | */ | |
eec688e1 | 1962 | u32 sample_flags; |
16d98b31 RB |
1963 | |
1964 | /** | |
1965 | * @sample_size: Considering the configured contents of a sample | |
1966 | * combined with the required header size, this is the total size | |
1967 | * of a single sample record. | |
1968 | */ | |
d7965152 | 1969 | int sample_size; |
eec688e1 | 1970 | |
16d98b31 RB |
1971 | /** |
1972 | * @ctx: %NULL if measuring system-wide across all contexts or a | |
1973 | * specific context that is being monitored. | |
1974 | */ | |
eec688e1 | 1975 | struct i915_gem_context *ctx; |
16d98b31 RB |
1976 | |
1977 | /** | |
1978 | * @enabled: Whether the stream is currently enabled, considering | |
1979 | * whether the stream was opened in a disabled state and based | |
1980 | * on `I915_PERF_IOCTL_ENABLE` and `I915_PERF_IOCTL_DISABLE` calls. | |
1981 | */ | |
eec688e1 RB |
1982 | bool enabled; |
1983 | ||
16d98b31 RB |
1984 | /** |
1985 | * @ops: The callbacks providing the implementation of this specific | |
1986 | * type of configured stream. | |
1987 | */ | |
d7965152 RB |
1988 | const struct i915_perf_stream_ops *ops; |
1989 | }; | |
1990 | ||
16d98b31 RB |
1991 | /** |
1992 | * struct i915_oa_ops - Gen specific implementation of an OA unit stream | |
1993 | */ | |
d7965152 | 1994 | struct i915_oa_ops { |
16d98b31 RB |
1995 | /** |
1996 | * @init_oa_buffer: Resets the head and tail pointers of the | |
1997 | * circular buffer for periodic OA reports. | |
1998 | * | |
1999 | * Called when first opening a stream for OA metrics, but also may be | |
2000 | * called in response to an OA buffer overflow or other error | |
2001 | * condition. | |
2002 | * | |
2003 | * Note it may be necessary to clear the full OA buffer here as part of | |
2004 | * maintaining the invariable that new reports must be written to | |
2005 | * zeroed memory for us to be able to reliable detect if an expected | |
2006 | * report has not yet landed in memory. (At least on Haswell the OA | |
2007 | * buffer tail pointer is not synchronized with reports being visible | |
2008 | * to the CPU) | |
2009 | */ | |
d7965152 | 2010 | void (*init_oa_buffer)(struct drm_i915_private *dev_priv); |
16d98b31 RB |
2011 | |
2012 | /** | |
2013 | * @enable_metric_set: Applies any MUX configuration to set up the | |
2014 | * Boolean and Custom (B/C) counters that are part of the counter | |
2015 | * reports being sampled. May apply system constraints such as | |
2016 | * disabling EU clock gating as required. | |
2017 | */ | |
d7965152 | 2018 | int (*enable_metric_set)(struct drm_i915_private *dev_priv); |
16d98b31 RB |
2019 | |
2020 | /** | |
2021 | * @disable_metric_set: Remove system constraints associated with using | |
2022 | * the OA unit. | |
2023 | */ | |
d7965152 | 2024 | void (*disable_metric_set)(struct drm_i915_private *dev_priv); |
16d98b31 RB |
2025 | |
2026 | /** | |
2027 | * @oa_enable: Enable periodic sampling | |
2028 | */ | |
d7965152 | 2029 | void (*oa_enable)(struct drm_i915_private *dev_priv); |
16d98b31 RB |
2030 | |
2031 | /** | |
2032 | * @oa_disable: Disable periodic sampling | |
2033 | */ | |
d7965152 | 2034 | void (*oa_disable)(struct drm_i915_private *dev_priv); |
16d98b31 RB |
2035 | |
2036 | /** | |
2037 | * @read: Copy data from the circular OA buffer into a given userspace | |
2038 | * buffer. | |
2039 | */ | |
d7965152 RB |
2040 | int (*read)(struct i915_perf_stream *stream, |
2041 | char __user *buf, | |
2042 | size_t count, | |
2043 | size_t *offset); | |
16d98b31 RB |
2044 | |
2045 | /** | |
2046 | * @oa_buffer_is_empty: Check if OA buffer empty (false positives OK) | |
2047 | * | |
2048 | * This is either called via fops or the poll check hrtimer (atomic | |
2049 | * ctx) without any locks taken. | |
2050 | * | |
2051 | * It's safe to read OA config state here unlocked, assuming that this | |
2052 | * is only called while the stream is enabled, while the global OA | |
2053 | * configuration can't be modified. | |
2054 | * | |
2055 | * Efficiency is more important than avoiding some false positives | |
2056 | * here, which will be handled gracefully - likely resulting in an | |
2057 | * %EAGAIN error for userspace. | |
2058 | */ | |
d7965152 | 2059 | bool (*oa_buffer_is_empty)(struct drm_i915_private *dev_priv); |
eec688e1 RB |
2060 | }; |
2061 | ||
77fec556 | 2062 | struct drm_i915_private { |
8f460e2c CW |
2063 | struct drm_device drm; |
2064 | ||
efab6d8d | 2065 | struct kmem_cache *objects; |
e20d2ab7 | 2066 | struct kmem_cache *vmas; |
efab6d8d | 2067 | struct kmem_cache *requests; |
52e54209 | 2068 | struct kmem_cache *dependencies; |
f4c956ad | 2069 | |
5c969aa7 | 2070 | const struct intel_device_info info; |
f4c956ad DV |
2071 | |
2072 | int relative_constants_mode; | |
2073 | ||
2074 | void __iomem *regs; | |
2075 | ||
907b28c5 | 2076 | struct intel_uncore uncore; |
f4c956ad | 2077 | |
cf9d2890 YZ |
2078 | struct i915_virtual_gpu vgpu; |
2079 | ||
feddf6e8 | 2080 | struct intel_gvt *gvt; |
0ad35fed | 2081 | |
33a732f4 AD |
2082 | struct intel_guc guc; |
2083 | ||
eb805623 DV |
2084 | struct intel_csr csr; |
2085 | ||
5ea6e5e3 | 2086 | struct intel_gmbus gmbus[GMBUS_NUM_PINS]; |
28c70f16 | 2087 | |
f4c956ad DV |
2088 | /** gmbus_mutex protects against concurrent usage of the single hw gmbus |
2089 | * controller on different i2c buses. */ | |
2090 | struct mutex gmbus_mutex; | |
2091 | ||
2092 | /** | |
2093 | * Base address of the gmbus and gpio block. | |
2094 | */ | |
2095 | uint32_t gpio_mmio_base; | |
2096 | ||
b6fdd0f2 SS |
2097 | /* MMIO base address for MIPI regs */ |
2098 | uint32_t mipi_mmio_base; | |
2099 | ||
443a389f VS |
2100 | uint32_t psr_mmio_base; |
2101 | ||
44cb734c ID |
2102 | uint32_t pps_mmio_base; |
2103 | ||
28c70f16 DV |
2104 | wait_queue_head_t gmbus_wait_queue; |
2105 | ||
f4c956ad | 2106 | struct pci_dev *bridge_dev; |
0ca5fa3a | 2107 | struct i915_gem_context *kernel_context; |
3b3f1650 | 2108 | struct intel_engine_cs *engine[I915_NUM_ENGINES]; |
51d545d0 | 2109 | struct i915_vma *semaphore; |
f4c956ad | 2110 | |
ba8286fa | 2111 | struct drm_dma_handle *status_page_dmah; |
f4c956ad DV |
2112 | struct resource mch_res; |
2113 | ||
f4c956ad DV |
2114 | /* protects the irq masks */ |
2115 | spinlock_t irq_lock; | |
2116 | ||
84c33a64 SG |
2117 | /* protects the mmio flip data */ |
2118 | spinlock_t mmio_flip_lock; | |
2119 | ||
f8b79e58 ID |
2120 | bool display_irqs_enabled; |
2121 | ||
9ee32fea DV |
2122 | /* To control wakeup latency, e.g. for irq-driven dp aux transfers. */ |
2123 | struct pm_qos_request pm_qos; | |
2124 | ||
a580516d VS |
2125 | /* Sideband mailbox protection */ |
2126 | struct mutex sb_lock; | |
f4c956ad DV |
2127 | |
2128 | /** Cached value of IMR to avoid reads in updating the bitfield */ | |
abd58f01 BW |
2129 | union { |
2130 | u32 irq_mask; | |
2131 | u32 de_irq_mask[I915_MAX_PIPES]; | |
2132 | }; | |
f4c956ad | 2133 | u32 gt_irq_mask; |
f4e9af4f AG |
2134 | u32 pm_imr; |
2135 | u32 pm_ier; | |
a6706b45 | 2136 | u32 pm_rps_events; |
26705e20 | 2137 | u32 pm_guc_events; |
91d181dd | 2138 | u32 pipestat_irq_mask[I915_MAX_PIPES]; |
f4c956ad | 2139 | |
5fcece80 | 2140 | struct i915_hotplug hotplug; |
ab34a7e8 | 2141 | struct intel_fbc fbc; |
439d7ac0 | 2142 | struct i915_drrs drrs; |
f4c956ad | 2143 | struct intel_opregion opregion; |
41aa3448 | 2144 | struct intel_vbt_data vbt; |
f4c956ad | 2145 | |
d9ceb816 JB |
2146 | bool preserve_bios_swizzle; |
2147 | ||
f4c956ad DV |
2148 | /* overlay */ |
2149 | struct intel_overlay *overlay; | |
f4c956ad | 2150 | |
58c68779 | 2151 | /* backlight registers and fields in struct intel_panel */ |
07f11d49 | 2152 | struct mutex backlight_lock; |
31ad8ec6 | 2153 | |
f4c956ad | 2154 | /* LVDS info */ |
f4c956ad DV |
2155 | bool no_aux_handshake; |
2156 | ||
e39b999a VS |
2157 | /* protects panel power sequencer state */ |
2158 | struct mutex pps_mutex; | |
2159 | ||
f4c956ad | 2160 | struct drm_i915_fence_reg fence_regs[I915_MAX_NUM_FENCES]; /* assume 965 */ |
f4c956ad DV |
2161 | int num_fence_regs; /* 8 on pre-965, 16 otherwise */ |
2162 | ||
2163 | unsigned int fsb_freq, mem_freq, is_ddr3; | |
b2045352 | 2164 | unsigned int skl_preferred_vco_freq; |
8d96561a VS |
2165 | unsigned int cdclk_freq, max_cdclk_freq; |
2166 | ||
2167 | /* | |
2168 | * For reading holding any crtc lock is sufficient, | |
2169 | * for writing must hold all of them. | |
2170 | */ | |
2171 | unsigned int atomic_cdclk_freq; | |
2172 | ||
adafdc6f | 2173 | unsigned int max_dotclk_freq; |
e7dc33f3 | 2174 | unsigned int rawclk_freq; |
6bcda4f0 | 2175 | unsigned int hpll_freq; |
bfa7df01 | 2176 | unsigned int czclk_freq; |
f4c956ad | 2177 | |
63911d72 | 2178 | struct { |
709e05c3 | 2179 | unsigned int vco, ref; |
63911d72 VS |
2180 | } cdclk_pll; |
2181 | ||
645416f5 DV |
2182 | /** |
2183 | * wq - Driver workqueue for GEM. | |
2184 | * | |
2185 | * NOTE: Work items scheduled here are not allowed to grab any modeset | |
2186 | * locks, for otherwise the flushing done in the pageflip code will | |
2187 | * result in deadlocks. | |
2188 | */ | |
f4c956ad DV |
2189 | struct workqueue_struct *wq; |
2190 | ||
2191 | /* Display functions */ | |
2192 | struct drm_i915_display_funcs display; | |
2193 | ||
2194 | /* PCH chipset type */ | |
2195 | enum intel_pch pch_type; | |
17a303ec | 2196 | unsigned short pch_id; |
f4c956ad DV |
2197 | |
2198 | unsigned long quirks; | |
2199 | ||
b8efb17b ZR |
2200 | enum modeset_restore modeset_restore; |
2201 | struct mutex modeset_restore_lock; | |
e2c8b870 | 2202 | struct drm_atomic_state *modeset_restore_state; |
73974893 | 2203 | struct drm_modeset_acquire_ctx reset_ctx; |
673a394b | 2204 | |
a7bbbd63 | 2205 | struct list_head vm_list; /* Global list of all address spaces */ |
62106b4f | 2206 | struct i915_ggtt ggtt; /* VM representing the global address space */ |
5d4545ae | 2207 | |
4b5aed62 | 2208 | struct i915_gem_mm mm; |
ad46cb53 CW |
2209 | DECLARE_HASHTABLE(mm_structs, 7); |
2210 | struct mutex mm_lock; | |
8781342d | 2211 | |
5d1808ec CW |
2212 | /* The hw wants to have a stable context identifier for the lifetime |
2213 | * of the context (for OA, PASID, faults, etc). This is limited | |
2214 | * in execlists to 21 bits. | |
2215 | */ | |
2216 | struct ida context_hw_ida; | |
2217 | #define MAX_CONTEXT_HW_ID (1<<21) /* exclusive */ | |
2218 | ||
8781342d DV |
2219 | /* Kernel Modesetting */ |
2220 | ||
e2af48c6 VS |
2221 | struct intel_crtc *plane_to_crtc_mapping[I915_MAX_PIPES]; |
2222 | struct intel_crtc *pipe_to_crtc_mapping[I915_MAX_PIPES]; | |
6b95a207 KH |
2223 | wait_queue_head_t pending_flip_queue; |
2224 | ||
c4597872 DV |
2225 | #ifdef CONFIG_DEBUG_FS |
2226 | struct intel_pipe_crc pipe_crc[I915_MAX_PIPES]; | |
2227 | #endif | |
2228 | ||
565602d7 | 2229 | /* dpll and cdclk state is protected by connection_mutex */ |
e72f9fbf DV |
2230 | int num_shared_dpll; |
2231 | struct intel_shared_dpll shared_dplls[I915_NUM_PLLS]; | |
f9476a6c | 2232 | const struct intel_dpll_mgr *dpll_mgr; |
565602d7 | 2233 | |
fbf6d879 ML |
2234 | /* |
2235 | * dpll_lock serializes intel_{prepare,enable,disable}_shared_dpll. | |
2236 | * Must be global rather than per dpll, because on some platforms | |
2237 | * plls share registers. | |
2238 | */ | |
2239 | struct mutex dpll_lock; | |
2240 | ||
565602d7 ML |
2241 | unsigned int active_crtcs; |
2242 | unsigned int min_pixclk[I915_MAX_PIPES]; | |
2243 | ||
e4607fcf | 2244 | int dpio_phy_iosf_port[I915_NUM_PHYS_VLV]; |
ee7b9f93 | 2245 | |
7225342a | 2246 | struct i915_workarounds workarounds; |
888b5995 | 2247 | |
f99d7069 DV |
2248 | struct i915_frontbuffer_tracking fb_tracking; |
2249 | ||
652c393a | 2250 | u16 orig_clock; |
f97108d1 | 2251 | |
c4804411 | 2252 | bool mchbar_need_disable; |
f97108d1 | 2253 | |
a4da4fa4 DV |
2254 | struct intel_l3_parity l3_parity; |
2255 | ||
59124506 | 2256 | /* Cannot be determined by PCIID. You must always read a register. */ |
3accaf7e | 2257 | u32 edram_cap; |
59124506 | 2258 | |
c6a828d3 | 2259 | /* gen6+ rps state */ |
c85aa885 | 2260 | struct intel_gen6_power_mgmt rps; |
c6a828d3 | 2261 | |
20e4d407 DV |
2262 | /* ilk-only ips/rps state. Everything in here is protected by the global |
2263 | * mchdev_lock in intel_pm.c */ | |
c85aa885 | 2264 | struct intel_ilk_power_mgmt ips; |
b5e50c3f | 2265 | |
83c00f55 | 2266 | struct i915_power_domains power_domains; |
a38911a3 | 2267 | |
a031d709 | 2268 | struct i915_psr psr; |
3f51e471 | 2269 | |
99584db3 | 2270 | struct i915_gpu_error gpu_error; |
ae681d96 | 2271 | |
c9cddffc JB |
2272 | struct drm_i915_gem_object *vlv_pctx; |
2273 | ||
0695726e | 2274 | #ifdef CONFIG_DRM_FBDEV_EMULATION |
8be48d92 DA |
2275 | /* list of fbdev register on this device */ |
2276 | struct intel_fbdev *fbdev; | |
82e3b8c1 | 2277 | struct work_struct fbdev_suspend_work; |
4520f53a | 2278 | #endif |
e953fd7b CW |
2279 | |
2280 | struct drm_property *broadcast_rgb_property; | |
3f43c48d | 2281 | struct drm_property *force_audio_property; |
e3689190 | 2282 | |
58fddc28 | 2283 | /* hda/i915 audio component */ |
51e1d83c | 2284 | struct i915_audio_component *audio_component; |
58fddc28 | 2285 | bool audio_component_registered; |
4a21ef7d LY |
2286 | /** |
2287 | * av_mutex - mutex for audio/video sync | |
2288 | * | |
2289 | */ | |
2290 | struct mutex av_mutex; | |
58fddc28 | 2291 | |
254f965c | 2292 | uint32_t hw_context_size; |
a33afea5 | 2293 | struct list_head context_list; |
f4c956ad | 2294 | |
3e68320e | 2295 | u32 fdi_rx_config; |
68d18ad7 | 2296 | |
c231775c | 2297 | /* Shadow for DISPLAY_PHY_CONTROL which can't be safely read */ |
70722468 | 2298 | u32 chv_phy_control; |
c231775c VS |
2299 | /* |
2300 | * Shadows for CHV DPLL_MD regs to keep the state | |
2301 | * checker somewhat working in the presence hardware | |
2302 | * crappiness (can't read out DPLL_MD for pipes B & C). | |
2303 | */ | |
2304 | u32 chv_dpll_md[I915_MAX_PIPES]; | |
adc7f04b | 2305 | u32 bxt_phy_grc; |
70722468 | 2306 | |
842f1c8b | 2307 | u32 suspend_count; |
bc87229f | 2308 | bool suspended_to_idle; |
f4c956ad | 2309 | struct i915_suspend_saved_registers regfile; |
ddeea5b0 | 2310 | struct vlv_s0ix_state vlv_s0ix_state; |
231f42a4 | 2311 | |
656d1b89 | 2312 | enum { |
16dcdc4e PZ |
2313 | I915_SAGV_UNKNOWN = 0, |
2314 | I915_SAGV_DISABLED, | |
2315 | I915_SAGV_ENABLED, | |
2316 | I915_SAGV_NOT_CONTROLLED | |
2317 | } sagv_status; | |
656d1b89 | 2318 | |
53615a5e | 2319 | struct { |
467a14d9 VS |
2320 | /* protects DSPARB registers on pre-g4x/vlv/chv */ |
2321 | spinlock_t dsparb_lock; | |
2322 | ||
53615a5e VS |
2323 | /* |
2324 | * Raw watermark latency values: | |
2325 | * in 0.1us units for WM0, | |
2326 | * in 0.5us units for WM1+. | |
2327 | */ | |
2328 | /* primary */ | |
2329 | uint16_t pri_latency[5]; | |
2330 | /* sprite */ | |
2331 | uint16_t spr_latency[5]; | |
2332 | /* cursor */ | |
2333 | uint16_t cur_latency[5]; | |
2af30a5c PB |
2334 | /* |
2335 | * Raw watermark memory latency values | |
2336 | * for SKL for all 8 levels | |
2337 | * in 1us units. | |
2338 | */ | |
2339 | uint16_t skl_latency[8]; | |
609cedef VS |
2340 | |
2341 | /* current hardware state */ | |
2d41c0b5 PB |
2342 | union { |
2343 | struct ilk_wm_values hw; | |
2344 | struct skl_wm_values skl_hw; | |
0018fda1 | 2345 | struct vlv_wm_values vlv; |
2d41c0b5 | 2346 | }; |
58590c14 VS |
2347 | |
2348 | uint8_t max_level; | |
ed4a6a7c MR |
2349 | |
2350 | /* | |
2351 | * Should be held around atomic WM register writing; also | |
2352 | * protects * intel_crtc->wm.active and | |
2353 | * cstate->wm.need_postvbl_update. | |
2354 | */ | |
2355 | struct mutex wm_mutex; | |
279e99d7 MR |
2356 | |
2357 | /* | |
2358 | * Set during HW readout of watermarks/DDB. Some platforms | |
2359 | * need to know when we're still using BIOS-provided values | |
2360 | * (which we don't fully trust). | |
2361 | */ | |
2362 | bool distrust_bios_wm; | |
53615a5e VS |
2363 | } wm; |
2364 | ||
8a187455 PZ |
2365 | struct i915_runtime_pm pm; |
2366 | ||
eec688e1 RB |
2367 | struct { |
2368 | bool initialized; | |
d7965152 | 2369 | |
442b8c06 | 2370 | struct kobject *metrics_kobj; |
ccdf6341 | 2371 | struct ctl_table_header *sysctl_header; |
442b8c06 | 2372 | |
eec688e1 RB |
2373 | struct mutex lock; |
2374 | struct list_head streams; | |
8a3003dd | 2375 | |
d7965152 RB |
2376 | spinlock_t hook_lock; |
2377 | ||
8a3003dd | 2378 | struct { |
d7965152 RB |
2379 | struct i915_perf_stream *exclusive_stream; |
2380 | ||
2381 | u32 specific_ctx_id; | |
d7965152 RB |
2382 | |
2383 | struct hrtimer poll_check_timer; | |
2384 | wait_queue_head_t poll_wq; | |
2385 | bool pollin; | |
2386 | ||
2387 | bool periodic; | |
2388 | int period_exponent; | |
2389 | int timestamp_frequency; | |
2390 | ||
2391 | int tail_margin; | |
2392 | ||
2393 | int metrics_set; | |
8a3003dd RB |
2394 | |
2395 | const struct i915_oa_reg *mux_regs; | |
2396 | int mux_regs_len; | |
2397 | const struct i915_oa_reg *b_counter_regs; | |
2398 | int b_counter_regs_len; | |
d7965152 RB |
2399 | |
2400 | struct { | |
2401 | struct i915_vma *vma; | |
2402 | u8 *vaddr; | |
2403 | int format; | |
2404 | int format_size; | |
2405 | } oa_buffer; | |
2406 | ||
2407 | u32 gen7_latched_oastatus1; | |
2408 | ||
2409 | struct i915_oa_ops ops; | |
2410 | const struct i915_oa_format *oa_formats; | |
2411 | int n_builtin_sets; | |
8a3003dd | 2412 | } oa; |
eec688e1 RB |
2413 | } perf; |
2414 | ||
a83014d3 OM |
2415 | /* Abstract the submission mechanism (legacy ringbuffer or execlists) away */ |
2416 | struct { | |
821ed7df | 2417 | void (*resume)(struct drm_i915_private *); |
117897f4 | 2418 | void (*cleanup_engine)(struct intel_engine_cs *engine); |
67d97da3 | 2419 | |
73cb9701 CW |
2420 | struct list_head timelines; |
2421 | struct i915_gem_timeline global_timeline; | |
28176ef4 | 2422 | u32 active_requests; |
73cb9701 | 2423 | |
67d97da3 CW |
2424 | /** |
2425 | * Is the GPU currently considered idle, or busy executing | |
2426 | * userspace requests? Whilst idle, we allow runtime power | |
2427 | * management to power down the hardware and display clocks. | |
2428 | * In order to reduce the effect on performance, there | |
2429 | * is a slight delay before we do so. | |
2430 | */ | |
67d97da3 CW |
2431 | bool awake; |
2432 | ||
2433 | /** | |
2434 | * We leave the user IRQ off as much as possible, | |
2435 | * but this means that requests will finish and never | |
2436 | * be retired once the system goes idle. Set a timer to | |
2437 | * fire periodically while the ring is running. When it | |
2438 | * fires, go retire requests. | |
2439 | */ | |
2440 | struct delayed_work retire_work; | |
2441 | ||
2442 | /** | |
2443 | * When we detect an idle GPU, we want to turn on | |
2444 | * powersaving features. So once we see that there | |
2445 | * are no more requests outstanding and no more | |
2446 | * arrive within a small period of time, we fire | |
2447 | * off the idle_work. | |
2448 | */ | |
2449 | struct delayed_work idle_work; | |
de867c20 CW |
2450 | |
2451 | ktime_t last_init_time; | |
a83014d3 OM |
2452 | } gt; |
2453 | ||
3be60de9 VS |
2454 | /* perform PHY state sanity checks? */ |
2455 | bool chv_phy_assert[2]; | |
2456 | ||
a3a8986c MK |
2457 | bool ipc_enabled; |
2458 | ||
f9318941 PD |
2459 | /* Used to save the pipe-to-encoder mapping for audio */ |
2460 | struct intel_encoder *av_enc_map[I915_MAX_PIPES]; | |
0bdf5a05 | 2461 | |
bdf1e7e3 DV |
2462 | /* |
2463 | * NOTE: This is the dri1/ums dungeon, don't add stuff here. Your patch | |
2464 | * will be rejected. Instead look for a better place. | |
2465 | */ | |
77fec556 | 2466 | }; |
1da177e4 | 2467 | |
2c1792a1 CW |
2468 | static inline struct drm_i915_private *to_i915(const struct drm_device *dev) |
2469 | { | |
091387c1 | 2470 | return container_of(dev, struct drm_i915_private, drm); |
2c1792a1 CW |
2471 | } |
2472 | ||
c49d13ee | 2473 | static inline struct drm_i915_private *kdev_to_i915(struct device *kdev) |
888d0d42 | 2474 | { |
c49d13ee | 2475 | return to_i915(dev_get_drvdata(kdev)); |
888d0d42 ID |
2476 | } |
2477 | ||
33a732f4 AD |
2478 | static inline struct drm_i915_private *guc_to_i915(struct intel_guc *guc) |
2479 | { | |
2480 | return container_of(guc, struct drm_i915_private, guc); | |
2481 | } | |
2482 | ||
b4ac5afc | 2483 | /* Simple iterator over all initialised engines */ |
3b3f1650 AG |
2484 | #define for_each_engine(engine__, dev_priv__, id__) \ |
2485 | for ((id__) = 0; \ | |
2486 | (id__) < I915_NUM_ENGINES; \ | |
2487 | (id__)++) \ | |
2488 | for_each_if ((engine__) = (dev_priv__)->engine[(id__)]) | |
c3232b18 | 2489 | |
bafb0fce CW |
2490 | #define __mask_next_bit(mask) ({ \ |
2491 | int __idx = ffs(mask) - 1; \ | |
2492 | mask &= ~BIT(__idx); \ | |
2493 | __idx; \ | |
2494 | }) | |
2495 | ||
c3232b18 | 2496 | /* Iterator over subset of engines selected by mask */ |
bafb0fce CW |
2497 | #define for_each_engine_masked(engine__, dev_priv__, mask__, tmp__) \ |
2498 | for (tmp__ = mask__ & INTEL_INFO(dev_priv__)->ring_mask; \ | |
3b3f1650 | 2499 | tmp__ ? (engine__ = (dev_priv__)->engine[__mask_next_bit(tmp__)]), 1 : 0; ) |
ee4b6faf | 2500 | |
b1d7e4b4 WF |
2501 | enum hdmi_force_audio { |
2502 | HDMI_AUDIO_OFF_DVI = -2, /* no aux data for HDMI-DVI converter */ | |
2503 | HDMI_AUDIO_OFF, /* force turn off HDMI audio */ | |
2504 | HDMI_AUDIO_AUTO, /* trust EDID */ | |
2505 | HDMI_AUDIO_ON, /* force turn on HDMI audio */ | |
2506 | }; | |
2507 | ||
190d6cd5 | 2508 | #define I915_GTT_OFFSET_NONE ((u32)-1) |
ed2f3452 | 2509 | |
a071fa00 DV |
2510 | /* |
2511 | * Frontbuffer tracking bits. Set in obj->frontbuffer_bits while a gem bo is | |
d1b9d039 | 2512 | * considered to be the frontbuffer for the given plane interface-wise. This |
a071fa00 DV |
2513 | * doesn't mean that the hw necessarily already scans it out, but that any |
2514 | * rendering (by the cpu or gpu) will land in the frontbuffer eventually. | |
2515 | * | |
2516 | * We have one bit per pipe and per scanout plane type. | |
2517 | */ | |
d1b9d039 SAK |
2518 | #define INTEL_MAX_SPRITE_BITS_PER_PIPE 5 |
2519 | #define INTEL_FRONTBUFFER_BITS_PER_PIPE 8 | |
a071fa00 DV |
2520 | #define INTEL_FRONTBUFFER_PRIMARY(pipe) \ |
2521 | (1 << (INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe))) | |
2522 | #define INTEL_FRONTBUFFER_CURSOR(pipe) \ | |
d1b9d039 SAK |
2523 | (1 << (1 + (INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe)))) |
2524 | #define INTEL_FRONTBUFFER_SPRITE(pipe, plane) \ | |
2525 | (1 << (2 + plane + (INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe)))) | |
a071fa00 | 2526 | #define INTEL_FRONTBUFFER_OVERLAY(pipe) \ |
d1b9d039 | 2527 | (1 << (2 + INTEL_MAX_SPRITE_BITS_PER_PIPE + (INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe)))) |
cc36513c | 2528 | #define INTEL_FRONTBUFFER_ALL_MASK(pipe) \ |
d1b9d039 | 2529 | (0xff << (INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe))) |
a071fa00 | 2530 | |
85d1225e DG |
2531 | /* |
2532 | * Optimised SGL iterator for GEM objects | |
2533 | */ | |
2534 | static __always_inline struct sgt_iter { | |
2535 | struct scatterlist *sgp; | |
2536 | union { | |
2537 | unsigned long pfn; | |
2538 | dma_addr_t dma; | |
2539 | }; | |
2540 | unsigned int curr; | |
2541 | unsigned int max; | |
2542 | } __sgt_iter(struct scatterlist *sgl, bool dma) { | |
2543 | struct sgt_iter s = { .sgp = sgl }; | |
2544 | ||
2545 | if (s.sgp) { | |
2546 | s.max = s.curr = s.sgp->offset; | |
2547 | s.max += s.sgp->length; | |
2548 | if (dma) | |
2549 | s.dma = sg_dma_address(s.sgp); | |
2550 | else | |
2551 | s.pfn = page_to_pfn(sg_page(s.sgp)); | |
2552 | } | |
2553 | ||
2554 | return s; | |
2555 | } | |
2556 | ||
96d77634 CW |
2557 | static inline struct scatterlist *____sg_next(struct scatterlist *sg) |
2558 | { | |
2559 | ++sg; | |
2560 | if (unlikely(sg_is_chain(sg))) | |
2561 | sg = sg_chain_ptr(sg); | |
2562 | return sg; | |
2563 | } | |
2564 | ||
63d15326 DG |
2565 | /** |
2566 | * __sg_next - return the next scatterlist entry in a list | |
2567 | * @sg: The current sg entry | |
2568 | * | |
2569 | * Description: | |
2570 | * If the entry is the last, return NULL; otherwise, step to the next | |
2571 | * element in the array (@sg@+1). If that's a chain pointer, follow it; | |
2572 | * otherwise just return the pointer to the current element. | |
2573 | **/ | |
2574 | static inline struct scatterlist *__sg_next(struct scatterlist *sg) | |
2575 | { | |
2576 | #ifdef CONFIG_DEBUG_SG | |
2577 | BUG_ON(sg->sg_magic != SG_MAGIC); | |
2578 | #endif | |
96d77634 | 2579 | return sg_is_last(sg) ? NULL : ____sg_next(sg); |
63d15326 DG |
2580 | } |
2581 | ||
85d1225e DG |
2582 | /** |
2583 | * for_each_sgt_dma - iterate over the DMA addresses of the given sg_table | |
2584 | * @__dmap: DMA address (output) | |
2585 | * @__iter: 'struct sgt_iter' (iterator state, internal) | |
2586 | * @__sgt: sg_table to iterate over (input) | |
2587 | */ | |
2588 | #define for_each_sgt_dma(__dmap, __iter, __sgt) \ | |
2589 | for ((__iter) = __sgt_iter((__sgt)->sgl, true); \ | |
2590 | ((__dmap) = (__iter).dma + (__iter).curr); \ | |
2591 | (((__iter).curr += PAGE_SIZE) < (__iter).max) || \ | |
63d15326 | 2592 | ((__iter) = __sgt_iter(__sg_next((__iter).sgp), true), 0)) |
85d1225e DG |
2593 | |
2594 | /** | |
2595 | * for_each_sgt_page - iterate over the pages of the given sg_table | |
2596 | * @__pp: page pointer (output) | |
2597 | * @__iter: 'struct sgt_iter' (iterator state, internal) | |
2598 | * @__sgt: sg_table to iterate over (input) | |
2599 | */ | |
2600 | #define for_each_sgt_page(__pp, __iter, __sgt) \ | |
2601 | for ((__iter) = __sgt_iter((__sgt)->sgl, false); \ | |
2602 | ((__pp) = (__iter).pfn == 0 ? NULL : \ | |
2603 | pfn_to_page((__iter).pfn + ((__iter).curr >> PAGE_SHIFT))); \ | |
2604 | (((__iter).curr += PAGE_SIZE) < (__iter).max) || \ | |
63d15326 | 2605 | ((__iter) = __sgt_iter(__sg_next((__iter).sgp), false), 0)) |
a071fa00 | 2606 | |
5ca43ef0 TU |
2607 | static inline const struct intel_device_info * |
2608 | intel_info(const struct drm_i915_private *dev_priv) | |
2609 | { | |
2610 | return &dev_priv->info; | |
2611 | } | |
2612 | ||
2613 | #define INTEL_INFO(dev_priv) intel_info((dev_priv)) | |
50a0bc90 | 2614 | |
55b8f2a7 | 2615 | #define INTEL_GEN(dev_priv) ((dev_priv)->info.gen) |
50a0bc90 | 2616 | #define INTEL_DEVID(dev_priv) ((dev_priv)->info.device_id) |
cae5852d | 2617 | |
e87a005d | 2618 | #define REVID_FOREVER 0xff |
4805fe82 | 2619 | #define INTEL_REVID(dev_priv) ((dev_priv)->drm.pdev->revision) |
ac657f64 TU |
2620 | |
2621 | #define GEN_FOREVER (0) | |
2622 | /* | |
2623 | * Returns true if Gen is in inclusive range [Start, End]. | |
2624 | * | |
2625 | * Use GEN_FOREVER for unbound start and or end. | |
2626 | */ | |
c1812bdb | 2627 | #define IS_GEN(dev_priv, s, e) ({ \ |
ac657f64 TU |
2628 | unsigned int __s = (s), __e = (e); \ |
2629 | BUILD_BUG_ON(!__builtin_constant_p(s)); \ | |
2630 | BUILD_BUG_ON(!__builtin_constant_p(e)); \ | |
2631 | if ((__s) != GEN_FOREVER) \ | |
2632 | __s = (s) - 1; \ | |
2633 | if ((__e) == GEN_FOREVER) \ | |
2634 | __e = BITS_PER_LONG - 1; \ | |
2635 | else \ | |
2636 | __e = (e) - 1; \ | |
c1812bdb | 2637 | !!((dev_priv)->info.gen_mask & GENMASK((__e), (__s))); \ |
ac657f64 TU |
2638 | }) |
2639 | ||
e87a005d JN |
2640 | /* |
2641 | * Return true if revision is in range [since,until] inclusive. | |
2642 | * | |
2643 | * Use 0 for open-ended since, and REVID_FOREVER for open-ended until. | |
2644 | */ | |
2645 | #define IS_REVID(p, since, until) \ | |
2646 | (INTEL_REVID(p) >= (since) && INTEL_REVID(p) <= (until)) | |
2647 | ||
06bcd848 JN |
2648 | #define IS_I830(dev_priv) ((dev_priv)->info.platform == INTEL_I830) |
2649 | #define IS_I845G(dev_priv) ((dev_priv)->info.platform == INTEL_I845G) | |
2e0d26f8 | 2650 | #define IS_I85X(dev_priv) ((dev_priv)->info.platform == INTEL_I85X) |
06bcd848 | 2651 | #define IS_I865G(dev_priv) ((dev_priv)->info.platform == INTEL_I865G) |
2e0d26f8 | 2652 | #define IS_I915G(dev_priv) ((dev_priv)->info.platform == INTEL_I915G) |
06bcd848 JN |
2653 | #define IS_I915GM(dev_priv) ((dev_priv)->info.platform == INTEL_I915GM) |
2654 | #define IS_I945G(dev_priv) ((dev_priv)->info.platform == INTEL_I945G) | |
2e0d26f8 | 2655 | #define IS_I945GM(dev_priv) ((dev_priv)->info.platform == INTEL_I945GM) |
c0f86832 JN |
2656 | #define IS_I965G(dev_priv) ((dev_priv)->info.platform == INTEL_I965G) |
2657 | #define IS_I965GM(dev_priv) ((dev_priv)->info.platform == INTEL_I965GM) | |
f69c11ae JN |
2658 | #define IS_G45(dev_priv) ((dev_priv)->info.platform == INTEL_G45) |
2659 | #define IS_GM45(dev_priv) ((dev_priv)->info.platform == INTEL_GM45) | |
2660 | #define IS_G4X(dev_priv) (IS_G45(dev_priv) || IS_GM45(dev_priv)) | |
50a0bc90 TU |
2661 | #define IS_PINEVIEW_G(dev_priv) (INTEL_DEVID(dev_priv) == 0xa001) |
2662 | #define IS_PINEVIEW_M(dev_priv) (INTEL_DEVID(dev_priv) == 0xa011) | |
73f67aa8 | 2663 | #define IS_PINEVIEW(dev_priv) ((dev_priv)->info.platform == INTEL_PINEVIEW) |
2e0d26f8 | 2664 | #define IS_G33(dev_priv) ((dev_priv)->info.platform == INTEL_G33) |
50a0bc90 | 2665 | #define IS_IRONLAKE_M(dev_priv) (INTEL_DEVID(dev_priv) == 0x0046) |
2e0d26f8 | 2666 | #define IS_IVYBRIDGE(dev_priv) ((dev_priv)->info.platform == INTEL_IVYBRIDGE) |
50a0bc90 TU |
2667 | #define IS_IVB_GT1(dev_priv) (INTEL_DEVID(dev_priv) == 0x0156 || \ |
2668 | INTEL_DEVID(dev_priv) == 0x0152 || \ | |
2669 | INTEL_DEVID(dev_priv) == 0x015a) | |
2e0d26f8 JN |
2670 | #define IS_VALLEYVIEW(dev_priv) ((dev_priv)->info.platform == INTEL_VALLEYVIEW) |
2671 | #define IS_CHERRYVIEW(dev_priv) ((dev_priv)->info.platform == INTEL_CHERRYVIEW) | |
2672 | #define IS_HASWELL(dev_priv) ((dev_priv)->info.platform == INTEL_HASWELL) | |
2673 | #define IS_BROADWELL(dev_priv) ((dev_priv)->info.platform == INTEL_BROADWELL) | |
2674 | #define IS_SKYLAKE(dev_priv) ((dev_priv)->info.platform == INTEL_SKYLAKE) | |
2675 | #define IS_BROXTON(dev_priv) ((dev_priv)->info.platform == INTEL_BROXTON) | |
2676 | #define IS_KABYLAKE(dev_priv) ((dev_priv)->info.platform == INTEL_KABYLAKE) | |
2677 | #define IS_GEMINILAKE(dev_priv) ((dev_priv)->info.platform == INTEL_GEMINILAKE) | |
646d5772 | 2678 | #define IS_MOBILE(dev_priv) ((dev_priv)->info.is_mobile) |
50a0bc90 TU |
2679 | #define IS_HSW_EARLY_SDV(dev_priv) (IS_HASWELL(dev_priv) && \ |
2680 | (INTEL_DEVID(dev_priv) & 0xFF00) == 0x0C00) | |
2681 | #define IS_BDW_ULT(dev_priv) (IS_BROADWELL(dev_priv) && \ | |
2682 | ((INTEL_DEVID(dev_priv) & 0xf) == 0x6 || \ | |
2683 | (INTEL_DEVID(dev_priv) & 0xf) == 0xb || \ | |
2684 | (INTEL_DEVID(dev_priv) & 0xf) == 0xe)) | |
ebb72aad | 2685 | /* ULX machines are also considered ULT. */ |
50a0bc90 TU |
2686 | #define IS_BDW_ULX(dev_priv) (IS_BROADWELL(dev_priv) && \ |
2687 | (INTEL_DEVID(dev_priv) & 0xf) == 0xe) | |
2688 | #define IS_BDW_GT3(dev_priv) (IS_BROADWELL(dev_priv) && \ | |
2689 | (INTEL_DEVID(dev_priv) & 0x00F0) == 0x0020) | |
2690 | #define IS_HSW_ULT(dev_priv) (IS_HASWELL(dev_priv) && \ | |
2691 | (INTEL_DEVID(dev_priv) & 0xFF00) == 0x0A00) | |
2692 | #define IS_HSW_GT3(dev_priv) (IS_HASWELL(dev_priv) && \ | |
2693 | (INTEL_DEVID(dev_priv) & 0x00F0) == 0x0020) | |
9bbfd20a | 2694 | /* ULX machines are also considered ULT. */ |
50a0bc90 TU |
2695 | #define IS_HSW_ULX(dev_priv) (INTEL_DEVID(dev_priv) == 0x0A0E || \ |
2696 | INTEL_DEVID(dev_priv) == 0x0A1E) | |
2697 | #define IS_SKL_ULT(dev_priv) (INTEL_DEVID(dev_priv) == 0x1906 || \ | |
2698 | INTEL_DEVID(dev_priv) == 0x1913 || \ | |
2699 | INTEL_DEVID(dev_priv) == 0x1916 || \ | |
2700 | INTEL_DEVID(dev_priv) == 0x1921 || \ | |
2701 | INTEL_DEVID(dev_priv) == 0x1926) | |
2702 | #define IS_SKL_ULX(dev_priv) (INTEL_DEVID(dev_priv) == 0x190E || \ | |
2703 | INTEL_DEVID(dev_priv) == 0x1915 || \ | |
2704 | INTEL_DEVID(dev_priv) == 0x191E) | |
2705 | #define IS_KBL_ULT(dev_priv) (INTEL_DEVID(dev_priv) == 0x5906 || \ | |
2706 | INTEL_DEVID(dev_priv) == 0x5913 || \ | |
2707 | INTEL_DEVID(dev_priv) == 0x5916 || \ | |
2708 | INTEL_DEVID(dev_priv) == 0x5921 || \ | |
2709 | INTEL_DEVID(dev_priv) == 0x5926) | |
2710 | #define IS_KBL_ULX(dev_priv) (INTEL_DEVID(dev_priv) == 0x590E || \ | |
2711 | INTEL_DEVID(dev_priv) == 0x5915 || \ | |
2712 | INTEL_DEVID(dev_priv) == 0x591E) | |
2713 | #define IS_SKL_GT3(dev_priv) (IS_SKYLAKE(dev_priv) && \ | |
2714 | (INTEL_DEVID(dev_priv) & 0x00F0) == 0x0020) | |
2715 | #define IS_SKL_GT4(dev_priv) (IS_SKYLAKE(dev_priv) && \ | |
2716 | (INTEL_DEVID(dev_priv) & 0x00F0) == 0x0030) | |
7a58bad0 | 2717 | |
c007fb4a | 2718 | #define IS_ALPHA_SUPPORT(intel_info) ((intel_info)->is_alpha_support) |
cae5852d | 2719 | |
ef712bb4 JN |
2720 | #define SKL_REVID_A0 0x0 |
2721 | #define SKL_REVID_B0 0x1 | |
2722 | #define SKL_REVID_C0 0x2 | |
2723 | #define SKL_REVID_D0 0x3 | |
2724 | #define SKL_REVID_E0 0x4 | |
2725 | #define SKL_REVID_F0 0x5 | |
4ba9c1f7 MK |
2726 | #define SKL_REVID_G0 0x6 |
2727 | #define SKL_REVID_H0 0x7 | |
ef712bb4 | 2728 | |
e87a005d JN |
2729 | #define IS_SKL_REVID(p, since, until) (IS_SKYLAKE(p) && IS_REVID(p, since, until)) |
2730 | ||
ef712bb4 | 2731 | #define BXT_REVID_A0 0x0 |
fffda3f4 | 2732 | #define BXT_REVID_A1 0x1 |
ef712bb4 | 2733 | #define BXT_REVID_B0 0x3 |
a3f79ca6 | 2734 | #define BXT_REVID_B_LAST 0x8 |
ef712bb4 | 2735 | #define BXT_REVID_C0 0x9 |
6c74c87f | 2736 | |
e2d214ae TU |
2737 | #define IS_BXT_REVID(dev_priv, since, until) \ |
2738 | (IS_BROXTON(dev_priv) && IS_REVID(dev_priv, since, until)) | |
e87a005d | 2739 | |
c033a37c MK |
2740 | #define KBL_REVID_A0 0x0 |
2741 | #define KBL_REVID_B0 0x1 | |
fe905819 MK |
2742 | #define KBL_REVID_C0 0x2 |
2743 | #define KBL_REVID_D0 0x3 | |
2744 | #define KBL_REVID_E0 0x4 | |
c033a37c | 2745 | |
0853723b TU |
2746 | #define IS_KBL_REVID(dev_priv, since, until) \ |
2747 | (IS_KABYLAKE(dev_priv) && IS_REVID(dev_priv, since, until)) | |
c033a37c | 2748 | |
85436696 JB |
2749 | /* |
2750 | * The genX designation typically refers to the render engine, so render | |
2751 | * capability related checks should use IS_GEN, while display and other checks | |
2752 | * have their own (e.g. HAS_PCH_SPLIT for ILK+ display, IS_foo for particular | |
2753 | * chips, etc.). | |
2754 | */ | |
5db94019 TU |
2755 | #define IS_GEN2(dev_priv) (!!((dev_priv)->info.gen_mask & BIT(1))) |
2756 | #define IS_GEN3(dev_priv) (!!((dev_priv)->info.gen_mask & BIT(2))) | |
2757 | #define IS_GEN4(dev_priv) (!!((dev_priv)->info.gen_mask & BIT(3))) | |
2758 | #define IS_GEN5(dev_priv) (!!((dev_priv)->info.gen_mask & BIT(4))) | |
2759 | #define IS_GEN6(dev_priv) (!!((dev_priv)->info.gen_mask & BIT(5))) | |
2760 | #define IS_GEN7(dev_priv) (!!((dev_priv)->info.gen_mask & BIT(6))) | |
2761 | #define IS_GEN8(dev_priv) (!!((dev_priv)->info.gen_mask & BIT(7))) | |
2762 | #define IS_GEN9(dev_priv) (!!((dev_priv)->info.gen_mask & BIT(8))) | |
cae5852d | 2763 | |
3e4274f8 | 2764 | #define IS_GEN9_LP(dev_priv) (IS_GEN9(dev_priv) && INTEL_INFO(dev_priv)->is_lp) |
8727dc09 | 2765 | #define IS_LP(dev_priv) (INTEL_INFO(dev_priv)->is_lp) |
3e4274f8 | 2766 | |
a19d6ff2 TU |
2767 | #define ENGINE_MASK(id) BIT(id) |
2768 | #define RENDER_RING ENGINE_MASK(RCS) | |
2769 | #define BSD_RING ENGINE_MASK(VCS) | |
2770 | #define BLT_RING ENGINE_MASK(BCS) | |
2771 | #define VEBOX_RING ENGINE_MASK(VECS) | |
2772 | #define BSD2_RING ENGINE_MASK(VCS2) | |
2773 | #define ALL_ENGINES (~0) | |
2774 | ||
2775 | #define HAS_ENGINE(dev_priv, id) \ | |
0031fb96 | 2776 | (!!((dev_priv)->info.ring_mask & ENGINE_MASK(id))) |
a19d6ff2 TU |
2777 | |
2778 | #define HAS_BSD(dev_priv) HAS_ENGINE(dev_priv, VCS) | |
2779 | #define HAS_BSD2(dev_priv) HAS_ENGINE(dev_priv, VCS2) | |
2780 | #define HAS_BLT(dev_priv) HAS_ENGINE(dev_priv, BCS) | |
2781 | #define HAS_VEBOX(dev_priv) HAS_ENGINE(dev_priv, VECS) | |
2782 | ||
0031fb96 TU |
2783 | #define HAS_LLC(dev_priv) ((dev_priv)->info.has_llc) |
2784 | #define HAS_SNOOP(dev_priv) ((dev_priv)->info.has_snoop) | |
2785 | #define HAS_EDRAM(dev_priv) (!!((dev_priv)->edram_cap & EDRAM_ENABLED)) | |
8652744b TU |
2786 | #define HAS_WT(dev_priv) ((IS_HASWELL(dev_priv) || \ |
2787 | IS_BROADWELL(dev_priv)) && HAS_EDRAM(dev_priv)) | |
cae5852d | 2788 | |
0031fb96 | 2789 | #define HWS_NEEDS_PHYSICAL(dev_priv) ((dev_priv)->info.hws_needs_physical) |
1d2a314c | 2790 | |
0031fb96 TU |
2791 | #define HAS_HW_CONTEXTS(dev_priv) ((dev_priv)->info.has_hw_contexts) |
2792 | #define HAS_LOGICAL_RING_CONTEXTS(dev_priv) \ | |
2793 | ((dev_priv)->info.has_logical_ring_contexts) | |
2794 | #define USES_PPGTT(dev_priv) (i915.enable_ppgtt) | |
2795 | #define USES_FULL_PPGTT(dev_priv) (i915.enable_ppgtt >= 2) | |
2796 | #define USES_FULL_48BIT_PPGTT(dev_priv) (i915.enable_ppgtt == 3) | |
2797 | ||
2798 | #define HAS_OVERLAY(dev_priv) ((dev_priv)->info.has_overlay) | |
2799 | #define OVERLAY_NEEDS_PHYSICAL(dev_priv) \ | |
2800 | ((dev_priv)->info.overlay_needs_physical) | |
cae5852d | 2801 | |
b45305fc | 2802 | /* Early gen2 have a totally busted CS tlb and require pinned batches. */ |
2a307c2e | 2803 | #define HAS_BROKEN_CS_TLB(dev_priv) (IS_I830(dev_priv) || IS_I845G(dev_priv)) |
06e668ac MK |
2804 | |
2805 | /* WaRsDisableCoarsePowerGating:skl,bxt */ | |
61251512 TU |
2806 | #define NEEDS_WaRsDisableCoarsePowerGating(dev_priv) \ |
2807 | (IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1) || \ | |
2808 | IS_SKL_GT3(dev_priv) || \ | |
2809 | IS_SKL_GT4(dev_priv)) | |
185c66e5 | 2810 | |
4e6b788c DV |
2811 | /* |
2812 | * dp aux and gmbus irq on gen4 seems to be able to generate legacy interrupts | |
2813 | * even when in MSI mode. This results in spurious interrupt warnings if the | |
2814 | * legacy irq no. is shared with another device. The kernel then disables that | |
2815 | * interrupt source and so prevents the other device from working properly. | |
2816 | */ | |
0031fb96 TU |
2817 | #define HAS_AUX_IRQ(dev_priv) ((dev_priv)->info.gen >= 5) |
2818 | #define HAS_GMBUS_IRQ(dev_priv) ((dev_priv)->info.has_gmbus_irq) | |
b45305fc | 2819 | |
cae5852d ZN |
2820 | /* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte |
2821 | * rows, which changed the alignment requirements and fence programming. | |
2822 | */ | |
50a0bc90 TU |
2823 | #define HAS_128_BYTE_Y_TILING(dev_priv) (!IS_GEN2(dev_priv) && \ |
2824 | !(IS_I915G(dev_priv) || \ | |
2825 | IS_I915GM(dev_priv))) | |
56b857a5 TU |
2826 | #define SUPPORTS_TV(dev_priv) ((dev_priv)->info.supports_tv) |
2827 | #define I915_HAS_HOTPLUG(dev_priv) ((dev_priv)->info.has_hotplug) | |
cae5852d | 2828 | |
56b857a5 TU |
2829 | #define HAS_FW_BLC(dev_priv) (INTEL_GEN(dev_priv) > 2) |
2830 | #define HAS_PIPE_CXSR(dev_priv) ((dev_priv)->info.has_pipe_cxsr) | |
2831 | #define HAS_FBC(dev_priv) ((dev_priv)->info.has_fbc) | |
cae5852d | 2832 | |
50a0bc90 | 2833 | #define HAS_IPS(dev_priv) (IS_HSW_ULT(dev_priv) || IS_BROADWELL(dev_priv)) |
f5adf94e | 2834 | |
56b857a5 | 2835 | #define HAS_DP_MST(dev_priv) ((dev_priv)->info.has_dp_mst) |
0c9b3715 | 2836 | |
56b857a5 TU |
2837 | #define HAS_DDI(dev_priv) ((dev_priv)->info.has_ddi) |
2838 | #define HAS_FPGA_DBG_UNCLAIMED(dev_priv) ((dev_priv)->info.has_fpga_dbg) | |
2839 | #define HAS_PSR(dev_priv) ((dev_priv)->info.has_psr) | |
2840 | #define HAS_RC6(dev_priv) ((dev_priv)->info.has_rc6) | |
2841 | #define HAS_RC6p(dev_priv) ((dev_priv)->info.has_rc6p) | |
affa9354 | 2842 | |
56b857a5 | 2843 | #define HAS_CSR(dev_priv) ((dev_priv)->info.has_csr) |
eb805623 | 2844 | |
6772ffe0 | 2845 | #define HAS_RUNTIME_PM(dev_priv) ((dev_priv)->info.has_runtime_pm) |
dfc5148f JL |
2846 | #define HAS_64BIT_RELOC(dev_priv) ((dev_priv)->info.has_64bit_reloc) |
2847 | ||
1a3d1898 DG |
2848 | /* |
2849 | * For now, anything with a GuC requires uCode loading, and then supports | |
2850 | * command submission once loaded. But these are logically independent | |
2851 | * properties, so we have separate macros to test them. | |
2852 | */ | |
4805fe82 TU |
2853 | #define HAS_GUC(dev_priv) ((dev_priv)->info.has_guc) |
2854 | #define HAS_GUC_UCODE(dev_priv) (HAS_GUC(dev_priv)) | |
2855 | #define HAS_GUC_SCHED(dev_priv) (HAS_GUC(dev_priv)) | |
33a732f4 | 2856 | |
4805fe82 | 2857 | #define HAS_RESOURCE_STREAMER(dev_priv) ((dev_priv)->info.has_resource_streamer) |
a9ed33ca | 2858 | |
4805fe82 | 2859 | #define HAS_POOLED_EU(dev_priv) ((dev_priv)->info.has_pooled_eu) |
33e141ed | 2860 | |
17a303ec PZ |
2861 | #define INTEL_PCH_DEVICE_ID_MASK 0xff00 |
2862 | #define INTEL_PCH_IBX_DEVICE_ID_TYPE 0x3b00 | |
2863 | #define INTEL_PCH_CPT_DEVICE_ID_TYPE 0x1c00 | |
2864 | #define INTEL_PCH_PPT_DEVICE_ID_TYPE 0x1e00 | |
2865 | #define INTEL_PCH_LPT_DEVICE_ID_TYPE 0x8c00 | |
2866 | #define INTEL_PCH_LPT_LP_DEVICE_ID_TYPE 0x9c00 | |
e7e7ea20 S |
2867 | #define INTEL_PCH_SPT_DEVICE_ID_TYPE 0xA100 |
2868 | #define INTEL_PCH_SPT_LP_DEVICE_ID_TYPE 0x9D00 | |
22dea0be | 2869 | #define INTEL_PCH_KBP_DEVICE_ID_TYPE 0xA200 |
30c964a6 | 2870 | #define INTEL_PCH_P2X_DEVICE_ID_TYPE 0x7100 |
1844a66b | 2871 | #define INTEL_PCH_P3X_DEVICE_ID_TYPE 0x7000 |
39bfcd52 | 2872 | #define INTEL_PCH_QEMU_DEVICE_ID_TYPE 0x2900 /* qemu q35 has 2918 */ |
17a303ec | 2873 | |
6e266956 TU |
2874 | #define INTEL_PCH_TYPE(dev_priv) ((dev_priv)->pch_type) |
2875 | #define HAS_PCH_KBP(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_KBP) | |
2876 | #define HAS_PCH_SPT(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_SPT) | |
2877 | #define HAS_PCH_LPT(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_LPT) | |
4f8036a2 TU |
2878 | #define HAS_PCH_LPT_LP(dev_priv) \ |
2879 | ((dev_priv)->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) | |
2880 | #define HAS_PCH_LPT_H(dev_priv) \ | |
2881 | ((dev_priv)->pch_id == INTEL_PCH_LPT_DEVICE_ID_TYPE) | |
6e266956 TU |
2882 | #define HAS_PCH_CPT(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_CPT) |
2883 | #define HAS_PCH_IBX(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_IBX) | |
2884 | #define HAS_PCH_NOP(dev_priv) (INTEL_PCH_TYPE(dev_priv) == PCH_NOP) | |
2885 | #define HAS_PCH_SPLIT(dev_priv) (INTEL_PCH_TYPE(dev_priv) != PCH_NONE) | |
cae5852d | 2886 | |
49cff963 | 2887 | #define HAS_GMCH_DISPLAY(dev_priv) ((dev_priv)->info.has_gmch_display) |
5fafe292 | 2888 | |
6389dd83 SS |
2889 | #define HAS_LSPCON(dev_priv) (IS_GEN9(dev_priv)) |
2890 | ||
040d2baa | 2891 | /* DPF == dynamic parity feature */ |
3c9192bc | 2892 | #define HAS_L3_DPF(dev_priv) ((dev_priv)->info.has_l3_dpf) |
50a0bc90 TU |
2893 | #define NUM_L3_SLICES(dev_priv) (IS_HSW_GT3(dev_priv) ? \ |
2894 | 2 : HAS_L3_DPF(dev_priv)) | |
e1ef7cc2 | 2895 | |
c8735b0c | 2896 | #define GT_FREQUENCY_MULTIPLIER 50 |
de43ae9d | 2897 | #define GEN9_FREQ_SCALER 3 |
c8735b0c | 2898 | |
85ee17eb PP |
2899 | #define HAS_DECOUPLED_MMIO(dev_priv) (INTEL_INFO(dev_priv)->has_decoupled_mmio) |
2900 | ||
05394f39 CW |
2901 | #include "i915_trace.h" |
2902 | ||
48f112fe CW |
2903 | static inline bool intel_scanout_needs_vtd_wa(struct drm_i915_private *dev_priv) |
2904 | { | |
2905 | #ifdef CONFIG_INTEL_IOMMU | |
2906 | if (INTEL_GEN(dev_priv) >= 6 && intel_iommu_gfx_mapped) | |
2907 | return true; | |
2908 | #endif | |
2909 | return false; | |
2910 | } | |
2911 | ||
c033666a | 2912 | int intel_sanitize_enable_ppgtt(struct drm_i915_private *dev_priv, |
351c3b53 | 2913 | int enable_ppgtt); |
0e4ca100 | 2914 | |
39df9190 CW |
2915 | bool intel_sanitize_semaphores(struct drm_i915_private *dev_priv, int value); |
2916 | ||
0673ad47 | 2917 | /* i915_drv.c */ |
d15d7538 ID |
2918 | void __printf(3, 4) |
2919 | __i915_printk(struct drm_i915_private *dev_priv, const char *level, | |
2920 | const char *fmt, ...); | |
2921 | ||
2922 | #define i915_report_error(dev_priv, fmt, ...) \ | |
2923 | __i915_printk(dev_priv, KERN_ERR, fmt, ##__VA_ARGS__) | |
2924 | ||
c43b5634 | 2925 | #ifdef CONFIG_COMPAT |
0d6aa60b DA |
2926 | extern long i915_compat_ioctl(struct file *filp, unsigned int cmd, |
2927 | unsigned long arg); | |
55edf41b JN |
2928 | #else |
2929 | #define i915_compat_ioctl NULL | |
c43b5634 | 2930 | #endif |
efab0698 JN |
2931 | extern const struct dev_pm_ops i915_pm_ops; |
2932 | ||
2933 | extern int i915_driver_load(struct pci_dev *pdev, | |
2934 | const struct pci_device_id *ent); | |
2935 | extern void i915_driver_unload(struct drm_device *dev); | |
dc97997a CW |
2936 | extern int intel_gpu_reset(struct drm_i915_private *dev_priv, u32 engine_mask); |
2937 | extern bool intel_has_gpu_reset(struct drm_i915_private *dev_priv); | |
780f262a | 2938 | extern void i915_reset(struct drm_i915_private *dev_priv); |
6b332fa2 | 2939 | extern int intel_guc_reset(struct drm_i915_private *dev_priv); |
fc0768ce | 2940 | extern void intel_engine_init_hangcheck(struct intel_engine_cs *engine); |
3ac168a7 | 2941 | extern void intel_hangcheck_init(struct drm_i915_private *dev_priv); |
7648fa99 JB |
2942 | extern unsigned long i915_chipset_val(struct drm_i915_private *dev_priv); |
2943 | extern unsigned long i915_mch_val(struct drm_i915_private *dev_priv); | |
2944 | extern unsigned long i915_gfx_val(struct drm_i915_private *dev_priv); | |
2945 | extern void i915_update_gfx_val(struct drm_i915_private *dev_priv); | |
650ad970 | 2946 | int vlv_force_gfx_clock(struct drm_i915_private *dev_priv, bool on); |
7648fa99 | 2947 | |
77913b39 | 2948 | /* intel_hotplug.c */ |
91d14251 TU |
2949 | void intel_hpd_irq_handler(struct drm_i915_private *dev_priv, |
2950 | u32 pin_mask, u32 long_mask); | |
77913b39 JN |
2951 | void intel_hpd_init(struct drm_i915_private *dev_priv); |
2952 | void intel_hpd_init_work(struct drm_i915_private *dev_priv); | |
2953 | void intel_hpd_cancel_work(struct drm_i915_private *dev_priv); | |
cc24fcdc | 2954 | bool intel_hpd_pin_to_port(enum hpd_pin pin, enum port *port); |
b236d7c8 L |
2955 | bool intel_hpd_disable(struct drm_i915_private *dev_priv, enum hpd_pin pin); |
2956 | void intel_hpd_enable(struct drm_i915_private *dev_priv, enum hpd_pin pin); | |
77913b39 | 2957 | |
1da177e4 | 2958 | /* i915_irq.c */ |
26a02b8f CW |
2959 | static inline void i915_queue_hangcheck(struct drm_i915_private *dev_priv) |
2960 | { | |
2961 | unsigned long delay; | |
2962 | ||
2963 | if (unlikely(!i915.enable_hangcheck)) | |
2964 | return; | |
2965 | ||
2966 | /* Don't continually defer the hangcheck so that it is always run at | |
2967 | * least once after work has been scheduled on any ring. Otherwise, | |
2968 | * we will ignore a hung ring if a second ring is kept busy. | |
2969 | */ | |
2970 | ||
2971 | delay = round_jiffies_up_relative(DRM_I915_HANGCHECK_JIFFIES); | |
2972 | queue_delayed_work(system_long_wq, | |
2973 | &dev_priv->gpu_error.hangcheck_work, delay); | |
2974 | } | |
2975 | ||
58174462 | 2976 | __printf(3, 4) |
c033666a CW |
2977 | void i915_handle_error(struct drm_i915_private *dev_priv, |
2978 | u32 engine_mask, | |
58174462 | 2979 | const char *fmt, ...); |
1da177e4 | 2980 | |
b963291c | 2981 | extern void intel_irq_init(struct drm_i915_private *dev_priv); |
2aeb7d3a DV |
2982 | int intel_irq_install(struct drm_i915_private *dev_priv); |
2983 | void intel_irq_uninstall(struct drm_i915_private *dev_priv); | |
907b28c5 | 2984 | |
dc97997a CW |
2985 | extern void intel_uncore_sanitize(struct drm_i915_private *dev_priv); |
2986 | extern void intel_uncore_early_sanitize(struct drm_i915_private *dev_priv, | |
10018603 | 2987 | bool restore_forcewake); |
dc97997a | 2988 | extern void intel_uncore_init(struct drm_i915_private *dev_priv); |
fc97618b | 2989 | extern bool intel_uncore_unclaimed_mmio(struct drm_i915_private *dev_priv); |
bc3b9346 | 2990 | extern bool intel_uncore_arm_unclaimed_mmio_detection(struct drm_i915_private *dev_priv); |
dc97997a CW |
2991 | extern void intel_uncore_fini(struct drm_i915_private *dev_priv); |
2992 | extern void intel_uncore_forcewake_reset(struct drm_i915_private *dev_priv, | |
2993 | bool restore); | |
48c1026a | 2994 | const char *intel_uncore_forcewake_domain_to_str(const enum forcewake_domain_id id); |
59bad947 | 2995 | void intel_uncore_forcewake_get(struct drm_i915_private *dev_priv, |
48c1026a | 2996 | enum forcewake_domains domains); |
59bad947 | 2997 | void intel_uncore_forcewake_put(struct drm_i915_private *dev_priv, |
48c1026a | 2998 | enum forcewake_domains domains); |
a6111f7b CW |
2999 | /* Like above but the caller must manage the uncore.lock itself. |
3000 | * Must be used with I915_READ_FW and friends. | |
3001 | */ | |
3002 | void intel_uncore_forcewake_get__locked(struct drm_i915_private *dev_priv, | |
3003 | enum forcewake_domains domains); | |
3004 | void intel_uncore_forcewake_put__locked(struct drm_i915_private *dev_priv, | |
3005 | enum forcewake_domains domains); | |
3accaf7e MK |
3006 | u64 intel_uncore_edram_size(struct drm_i915_private *dev_priv); |
3007 | ||
59bad947 | 3008 | void assert_forcewakes_inactive(struct drm_i915_private *dev_priv); |
0ad35fed | 3009 | |
1758b90e CW |
3010 | int intel_wait_for_register(struct drm_i915_private *dev_priv, |
3011 | i915_reg_t reg, | |
3012 | const u32 mask, | |
3013 | const u32 value, | |
3014 | const unsigned long timeout_ms); | |
3015 | int intel_wait_for_register_fw(struct drm_i915_private *dev_priv, | |
3016 | i915_reg_t reg, | |
3017 | const u32 mask, | |
3018 | const u32 value, | |
3019 | const unsigned long timeout_ms); | |
3020 | ||
0ad35fed ZW |
3021 | static inline bool intel_gvt_active(struct drm_i915_private *dev_priv) |
3022 | { | |
feddf6e8 | 3023 | return dev_priv->gvt; |
0ad35fed ZW |
3024 | } |
3025 | ||
c033666a | 3026 | static inline bool intel_vgpu_active(struct drm_i915_private *dev_priv) |
cf9d2890 | 3027 | { |
c033666a | 3028 | return dev_priv->vgpu.active; |
cf9d2890 | 3029 | } |
b1f14ad0 | 3030 | |
7c463586 | 3031 | void |
50227e1c | 3032 | i915_enable_pipestat(struct drm_i915_private *dev_priv, enum pipe pipe, |
755e9019 | 3033 | u32 status_mask); |
7c463586 KP |
3034 | |
3035 | void | |
50227e1c | 3036 | i915_disable_pipestat(struct drm_i915_private *dev_priv, enum pipe pipe, |
755e9019 | 3037 | u32 status_mask); |
7c463586 | 3038 | |
f8b79e58 ID |
3039 | void valleyview_enable_display_irqs(struct drm_i915_private *dev_priv); |
3040 | void valleyview_disable_display_irqs(struct drm_i915_private *dev_priv); | |
0706f17c EE |
3041 | void i915_hotplug_interrupt_update(struct drm_i915_private *dev_priv, |
3042 | uint32_t mask, | |
3043 | uint32_t bits); | |
fbdedaea VS |
3044 | void ilk_update_display_irq(struct drm_i915_private *dev_priv, |
3045 | uint32_t interrupt_mask, | |
3046 | uint32_t enabled_irq_mask); | |
3047 | static inline void | |
3048 | ilk_enable_display_irq(struct drm_i915_private *dev_priv, uint32_t bits) | |
3049 | { | |
3050 | ilk_update_display_irq(dev_priv, bits, bits); | |
3051 | } | |
3052 | static inline void | |
3053 | ilk_disable_display_irq(struct drm_i915_private *dev_priv, uint32_t bits) | |
3054 | { | |
3055 | ilk_update_display_irq(dev_priv, bits, 0); | |
3056 | } | |
013d3752 VS |
3057 | void bdw_update_pipe_irq(struct drm_i915_private *dev_priv, |
3058 | enum pipe pipe, | |
3059 | uint32_t interrupt_mask, | |
3060 | uint32_t enabled_irq_mask); | |
3061 | static inline void bdw_enable_pipe_irq(struct drm_i915_private *dev_priv, | |
3062 | enum pipe pipe, uint32_t bits) | |
3063 | { | |
3064 | bdw_update_pipe_irq(dev_priv, pipe, bits, bits); | |
3065 | } | |
3066 | static inline void bdw_disable_pipe_irq(struct drm_i915_private *dev_priv, | |
3067 | enum pipe pipe, uint32_t bits) | |
3068 | { | |
3069 | bdw_update_pipe_irq(dev_priv, pipe, bits, 0); | |
3070 | } | |
47339cd9 DV |
3071 | void ibx_display_interrupt_update(struct drm_i915_private *dev_priv, |
3072 | uint32_t interrupt_mask, | |
3073 | uint32_t enabled_irq_mask); | |
14443261 VS |
3074 | static inline void |
3075 | ibx_enable_display_interrupt(struct drm_i915_private *dev_priv, uint32_t bits) | |
3076 | { | |
3077 | ibx_display_interrupt_update(dev_priv, bits, bits); | |
3078 | } | |
3079 | static inline void | |
3080 | ibx_disable_display_interrupt(struct drm_i915_private *dev_priv, uint32_t bits) | |
3081 | { | |
3082 | ibx_display_interrupt_update(dev_priv, bits, 0); | |
3083 | } | |
3084 | ||
673a394b | 3085 | /* i915_gem.c */ |
673a394b EA |
3086 | int i915_gem_create_ioctl(struct drm_device *dev, void *data, |
3087 | struct drm_file *file_priv); | |
3088 | int i915_gem_pread_ioctl(struct drm_device *dev, void *data, | |
3089 | struct drm_file *file_priv); | |
3090 | int i915_gem_pwrite_ioctl(struct drm_device *dev, void *data, | |
3091 | struct drm_file *file_priv); | |
3092 | int i915_gem_mmap_ioctl(struct drm_device *dev, void *data, | |
3093 | struct drm_file *file_priv); | |
de151cf6 JB |
3094 | int i915_gem_mmap_gtt_ioctl(struct drm_device *dev, void *data, |
3095 | struct drm_file *file_priv); | |
673a394b EA |
3096 | int i915_gem_set_domain_ioctl(struct drm_device *dev, void *data, |
3097 | struct drm_file *file_priv); | |
3098 | int i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data, | |
3099 | struct drm_file *file_priv); | |
3100 | int i915_gem_execbuffer(struct drm_device *dev, void *data, | |
3101 | struct drm_file *file_priv); | |
76446cac JB |
3102 | int i915_gem_execbuffer2(struct drm_device *dev, void *data, |
3103 | struct drm_file *file_priv); | |
673a394b EA |
3104 | int i915_gem_busy_ioctl(struct drm_device *dev, void *data, |
3105 | struct drm_file *file_priv); | |
199adf40 BW |
3106 | int i915_gem_get_caching_ioctl(struct drm_device *dev, void *data, |
3107 | struct drm_file *file); | |
3108 | int i915_gem_set_caching_ioctl(struct drm_device *dev, void *data, | |
3109 | struct drm_file *file); | |
673a394b EA |
3110 | int i915_gem_throttle_ioctl(struct drm_device *dev, void *data, |
3111 | struct drm_file *file_priv); | |
3ef94daa CW |
3112 | int i915_gem_madvise_ioctl(struct drm_device *dev, void *data, |
3113 | struct drm_file *file_priv); | |
673a394b EA |
3114 | int i915_gem_set_tiling(struct drm_device *dev, void *data, |
3115 | struct drm_file *file_priv); | |
3116 | int i915_gem_get_tiling(struct drm_device *dev, void *data, | |
3117 | struct drm_file *file_priv); | |
72778cb2 | 3118 | void i915_gem_init_userptr(struct drm_i915_private *dev_priv); |
5cc9ed4b CW |
3119 | int i915_gem_userptr_ioctl(struct drm_device *dev, void *data, |
3120 | struct drm_file *file); | |
5a125c3c EA |
3121 | int i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data, |
3122 | struct drm_file *file_priv); | |
23ba4fd0 BW |
3123 | int i915_gem_wait_ioctl(struct drm_device *dev, void *data, |
3124 | struct drm_file *file_priv); | |
cb15d9f8 TU |
3125 | int i915_gem_load_init(struct drm_i915_private *dev_priv); |
3126 | void i915_gem_load_cleanup(struct drm_i915_private *dev_priv); | |
40ae4e16 | 3127 | void i915_gem_load_init_fences(struct drm_i915_private *dev_priv); |
6a800eab | 3128 | int i915_gem_freeze(struct drm_i915_private *dev_priv); |
461fb99c CW |
3129 | int i915_gem_freeze_late(struct drm_i915_private *dev_priv); |
3130 | ||
187685cb | 3131 | void *i915_gem_object_alloc(struct drm_i915_private *dev_priv); |
42dcedd4 | 3132 | void i915_gem_object_free(struct drm_i915_gem_object *obj); |
37e680a1 CW |
3133 | void i915_gem_object_init(struct drm_i915_gem_object *obj, |
3134 | const struct drm_i915_gem_object_ops *ops); | |
12d79d78 TU |
3135 | struct drm_i915_gem_object * |
3136 | i915_gem_object_create(struct drm_i915_private *dev_priv, u64 size); | |
3137 | struct drm_i915_gem_object * | |
3138 | i915_gem_object_create_from_data(struct drm_i915_private *dev_priv, | |
3139 | const void *data, size_t size); | |
b1f788c6 | 3140 | void i915_gem_close_object(struct drm_gem_object *gem, struct drm_file *file); |
673a394b | 3141 | void i915_gem_free_object(struct drm_gem_object *obj); |
42dcedd4 | 3142 | |
bdeb9785 CW |
3143 | static inline void i915_gem_drain_freed_objects(struct drm_i915_private *i915) |
3144 | { | |
3145 | /* A single pass should suffice to release all the freed objects (along | |
3146 | * most call paths) , but be a little more paranoid in that freeing | |
3147 | * the objects does take a little amount of time, during which the rcu | |
3148 | * callbacks could have added new objects into the freed list, and | |
3149 | * armed the work again. | |
3150 | */ | |
3151 | do { | |
3152 | rcu_barrier(); | |
3153 | } while (flush_work(&i915->mm.free_work)); | |
3154 | } | |
3155 | ||
058d88c4 | 3156 | struct i915_vma * __must_check |
ec7adb6e JL |
3157 | i915_gem_object_ggtt_pin(struct drm_i915_gem_object *obj, |
3158 | const struct i915_ggtt_view *view, | |
91b2db6f | 3159 | u64 size, |
2ffffd0f CW |
3160 | u64 alignment, |
3161 | u64 flags); | |
fe14d5f4 | 3162 | |
aa653a68 | 3163 | int i915_gem_object_unbind(struct drm_i915_gem_object *obj); |
05394f39 | 3164 | void i915_gem_release_mmap(struct drm_i915_gem_object *obj); |
f787a5f5 | 3165 | |
7c108fd8 CW |
3166 | void i915_gem_runtime_suspend(struct drm_i915_private *dev_priv); |
3167 | ||
a4f5ea64 | 3168 | static inline int __sg_page_count(const struct scatterlist *sg) |
9da3da66 | 3169 | { |
ee286370 CW |
3170 | return sg->length >> PAGE_SHIFT; |
3171 | } | |
67d5a50c | 3172 | |
96d77634 CW |
3173 | struct scatterlist * |
3174 | i915_gem_object_get_sg(struct drm_i915_gem_object *obj, | |
3175 | unsigned int n, unsigned int *offset); | |
341be1cd | 3176 | |
96d77634 CW |
3177 | struct page * |
3178 | i915_gem_object_get_page(struct drm_i915_gem_object *obj, | |
3179 | unsigned int n); | |
67d5a50c | 3180 | |
96d77634 CW |
3181 | struct page * |
3182 | i915_gem_object_get_dirty_page(struct drm_i915_gem_object *obj, | |
3183 | unsigned int n); | |
67d5a50c | 3184 | |
96d77634 CW |
3185 | dma_addr_t |
3186 | i915_gem_object_get_dma_address(struct drm_i915_gem_object *obj, | |
3187 | unsigned long n); | |
ee286370 | 3188 | |
03ac84f1 CW |
3189 | void __i915_gem_object_set_pages(struct drm_i915_gem_object *obj, |
3190 | struct sg_table *pages); | |
a4f5ea64 CW |
3191 | int __i915_gem_object_get_pages(struct drm_i915_gem_object *obj); |
3192 | ||
3193 | static inline int __must_check | |
3194 | i915_gem_object_pin_pages(struct drm_i915_gem_object *obj) | |
3195 | { | |
1233e2db | 3196 | might_lock(&obj->mm.lock); |
a4f5ea64 | 3197 | |
1233e2db | 3198 | if (atomic_inc_not_zero(&obj->mm.pages_pin_count)) |
a4f5ea64 CW |
3199 | return 0; |
3200 | ||
3201 | return __i915_gem_object_get_pages(obj); | |
3202 | } | |
3203 | ||
3204 | static inline void | |
3205 | __i915_gem_object_pin_pages(struct drm_i915_gem_object *obj) | |
a5570178 | 3206 | { |
a4f5ea64 CW |
3207 | GEM_BUG_ON(!obj->mm.pages); |
3208 | ||
1233e2db | 3209 | atomic_inc(&obj->mm.pages_pin_count); |
a4f5ea64 CW |
3210 | } |
3211 | ||
3212 | static inline bool | |
3213 | i915_gem_object_has_pinned_pages(struct drm_i915_gem_object *obj) | |
3214 | { | |
1233e2db | 3215 | return atomic_read(&obj->mm.pages_pin_count); |
a4f5ea64 CW |
3216 | } |
3217 | ||
3218 | static inline void | |
3219 | __i915_gem_object_unpin_pages(struct drm_i915_gem_object *obj) | |
3220 | { | |
a4f5ea64 CW |
3221 | GEM_BUG_ON(!i915_gem_object_has_pinned_pages(obj)); |
3222 | GEM_BUG_ON(!obj->mm.pages); | |
3223 | ||
1233e2db | 3224 | atomic_dec(&obj->mm.pages_pin_count); |
a5570178 | 3225 | } |
0a798eb9 | 3226 | |
1233e2db CW |
3227 | static inline void |
3228 | i915_gem_object_unpin_pages(struct drm_i915_gem_object *obj) | |
a5570178 | 3229 | { |
a4f5ea64 | 3230 | __i915_gem_object_unpin_pages(obj); |
a5570178 CW |
3231 | } |
3232 | ||
548625ee CW |
3233 | enum i915_mm_subclass { /* lockdep subclass for obj->mm.lock */ |
3234 | I915_MM_NORMAL = 0, | |
3235 | I915_MM_SHRINKER | |
3236 | }; | |
3237 | ||
3238 | void __i915_gem_object_put_pages(struct drm_i915_gem_object *obj, | |
3239 | enum i915_mm_subclass subclass); | |
03ac84f1 | 3240 | void __i915_gem_object_invalidate(struct drm_i915_gem_object *obj); |
a4f5ea64 | 3241 | |
d31d7cb1 CW |
3242 | enum i915_map_type { |
3243 | I915_MAP_WB = 0, | |
3244 | I915_MAP_WC, | |
3245 | }; | |
3246 | ||
0a798eb9 CW |
3247 | /** |
3248 | * i915_gem_object_pin_map - return a contiguous mapping of the entire object | |
a73c7a44 CW |
3249 | * @obj: the object to map into kernel address space |
3250 | * @type: the type of mapping, used to select pgprot_t | |
0a798eb9 CW |
3251 | * |
3252 | * Calls i915_gem_object_pin_pages() to prevent reaping of the object's | |
3253 | * pages and then returns a contiguous mapping of the backing storage into | |
d31d7cb1 CW |
3254 | * the kernel address space. Based on the @type of mapping, the PTE will be |
3255 | * set to either WriteBack or WriteCombine (via pgprot_t). | |
0a798eb9 | 3256 | * |
1233e2db CW |
3257 | * The caller is responsible for calling i915_gem_object_unpin_map() when the |
3258 | * mapping is no longer required. | |
0a798eb9 | 3259 | * |
8305216f DG |
3260 | * Returns the pointer through which to access the mapped object, or an |
3261 | * ERR_PTR() on error. | |
0a798eb9 | 3262 | */ |
d31d7cb1 CW |
3263 | void *__must_check i915_gem_object_pin_map(struct drm_i915_gem_object *obj, |
3264 | enum i915_map_type type); | |
0a798eb9 CW |
3265 | |
3266 | /** | |
3267 | * i915_gem_object_unpin_map - releases an earlier mapping | |
a73c7a44 | 3268 | * @obj: the object to unmap |
0a798eb9 CW |
3269 | * |
3270 | * After pinning the object and mapping its pages, once you are finished | |
3271 | * with your access, call i915_gem_object_unpin_map() to release the pin | |
3272 | * upon the mapping. Once the pin count reaches zero, that mapping may be | |
3273 | * removed. | |
0a798eb9 CW |
3274 | */ |
3275 | static inline void i915_gem_object_unpin_map(struct drm_i915_gem_object *obj) | |
3276 | { | |
0a798eb9 CW |
3277 | i915_gem_object_unpin_pages(obj); |
3278 | } | |
3279 | ||
43394c7d CW |
3280 | int i915_gem_obj_prepare_shmem_read(struct drm_i915_gem_object *obj, |
3281 | unsigned int *needs_clflush); | |
3282 | int i915_gem_obj_prepare_shmem_write(struct drm_i915_gem_object *obj, | |
3283 | unsigned int *needs_clflush); | |
3284 | #define CLFLUSH_BEFORE 0x1 | |
3285 | #define CLFLUSH_AFTER 0x2 | |
3286 | #define CLFLUSH_FLAGS (CLFLUSH_BEFORE | CLFLUSH_AFTER) | |
3287 | ||
3288 | static inline void | |
3289 | i915_gem_obj_finish_shmem_access(struct drm_i915_gem_object *obj) | |
3290 | { | |
3291 | i915_gem_object_unpin_pages(obj); | |
3292 | } | |
3293 | ||
54cf91dc | 3294 | int __must_check i915_mutex_lock_interruptible(struct drm_device *dev); |
e2d05a8b | 3295 | void i915_vma_move_to_active(struct i915_vma *vma, |
5cf3d280 CW |
3296 | struct drm_i915_gem_request *req, |
3297 | unsigned int flags); | |
ff72145b DA |
3298 | int i915_gem_dumb_create(struct drm_file *file_priv, |
3299 | struct drm_device *dev, | |
3300 | struct drm_mode_create_dumb *args); | |
da6b51d0 DA |
3301 | int i915_gem_mmap_gtt(struct drm_file *file_priv, struct drm_device *dev, |
3302 | uint32_t handle, uint64_t *offset); | |
4cc69075 | 3303 | int i915_gem_mmap_gtt_version(void); |
85d1225e DG |
3304 | |
3305 | void i915_gem_track_fb(struct drm_i915_gem_object *old, | |
3306 | struct drm_i915_gem_object *new, | |
3307 | unsigned frontbuffer_bits); | |
3308 | ||
73cb9701 | 3309 | int __must_check i915_gem_set_global_seqno(struct drm_device *dev, u32 seqno); |
1690e1eb | 3310 | |
8d9fc7fd | 3311 | struct drm_i915_gem_request * |
0bc40be8 | 3312 | i915_gem_find_active_request(struct intel_engine_cs *engine); |
8d9fc7fd | 3313 | |
67d97da3 | 3314 | void i915_gem_retire_requests(struct drm_i915_private *dev_priv); |
84c33a64 | 3315 | |
1f83fee0 DV |
3316 | static inline bool i915_reset_in_progress(struct i915_gpu_error *error) |
3317 | { | |
8af29b0c | 3318 | return unlikely(test_bit(I915_RESET_IN_PROGRESS, &error->flags)); |
c19ae989 CW |
3319 | } |
3320 | ||
8af29b0c | 3321 | static inline bool i915_terminally_wedged(struct i915_gpu_error *error) |
c19ae989 | 3322 | { |
8af29b0c | 3323 | return unlikely(test_bit(I915_WEDGED, &error->flags)); |
1f83fee0 DV |
3324 | } |
3325 | ||
8af29b0c | 3326 | static inline bool i915_reset_in_progress_or_wedged(struct i915_gpu_error *error) |
1f83fee0 | 3327 | { |
8af29b0c | 3328 | return i915_reset_in_progress(error) | i915_terminally_wedged(error); |
2ac0f450 MK |
3329 | } |
3330 | ||
3331 | static inline u32 i915_reset_count(struct i915_gpu_error *error) | |
3332 | { | |
8af29b0c | 3333 | return READ_ONCE(error->reset_count); |
1f83fee0 | 3334 | } |
a71d8d94 | 3335 | |
821ed7df CW |
3336 | void i915_gem_reset(struct drm_i915_private *dev_priv); |
3337 | void i915_gem_set_wedged(struct drm_i915_private *dev_priv); | |
d0da48cf | 3338 | void i915_gem_clflush_object(struct drm_i915_gem_object *obj, bool force); |
bf9e8429 TU |
3339 | int __must_check i915_gem_init(struct drm_i915_private *dev_priv); |
3340 | int __must_check i915_gem_init_hw(struct drm_i915_private *dev_priv); | |
c6be607a | 3341 | void i915_gem_init_swizzling(struct drm_i915_private *dev_priv); |
cb15d9f8 | 3342 | void i915_gem_cleanup_engines(struct drm_i915_private *dev_priv); |
dcff85c8 | 3343 | int __must_check i915_gem_wait_for_idle(struct drm_i915_private *dev_priv, |
ea746f36 | 3344 | unsigned int flags); |
bf9e8429 TU |
3345 | int __must_check i915_gem_suspend(struct drm_i915_private *dev_priv); |
3346 | void i915_gem_resume(struct drm_i915_private *dev_priv); | |
de151cf6 | 3347 | int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf); |
e95433c7 CW |
3348 | int i915_gem_object_wait(struct drm_i915_gem_object *obj, |
3349 | unsigned int flags, | |
3350 | long timeout, | |
3351 | struct intel_rps_client *rps); | |
6b5e90f5 CW |
3352 | int i915_gem_object_wait_priority(struct drm_i915_gem_object *obj, |
3353 | unsigned int flags, | |
3354 | int priority); | |
3355 | #define I915_PRIORITY_DISPLAY I915_PRIORITY_MAX | |
3356 | ||
2e2f351d | 3357 | int __must_check |
2021746e CW |
3358 | i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj, |
3359 | bool write); | |
3360 | int __must_check | |
dabdfe02 | 3361 | i915_gem_object_set_to_cpu_domain(struct drm_i915_gem_object *obj, bool write); |
058d88c4 | 3362 | struct i915_vma * __must_check |
2da3b9b9 CW |
3363 | i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj, |
3364 | u32 alignment, | |
e6617330 | 3365 | const struct i915_ggtt_view *view); |
058d88c4 | 3366 | void i915_gem_object_unpin_from_display_plane(struct i915_vma *vma); |
00731155 | 3367 | int i915_gem_object_attach_phys(struct drm_i915_gem_object *obj, |
6eeefaf3 | 3368 | int align); |
b29c19b6 | 3369 | int i915_gem_open(struct drm_device *dev, struct drm_file *file); |
05394f39 | 3370 | void i915_gem_release(struct drm_device *dev, struct drm_file *file); |
673a394b | 3371 | |
a9f1481f CW |
3372 | u64 i915_gem_get_ggtt_size(struct drm_i915_private *dev_priv, u64 size, |
3373 | int tiling_mode); | |
3374 | u64 i915_gem_get_ggtt_alignment(struct drm_i915_private *dev_priv, u64 size, | |
ad1a7d20 | 3375 | int tiling_mode, bool fenced); |
467cffba | 3376 | |
e4ffd173 CW |
3377 | int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj, |
3378 | enum i915_cache_level cache_level); | |
3379 | ||
1286ff73 DV |
3380 | struct drm_gem_object *i915_gem_prime_import(struct drm_device *dev, |
3381 | struct dma_buf *dma_buf); | |
3382 | ||
3383 | struct dma_buf *i915_gem_prime_export(struct drm_device *dev, | |
3384 | struct drm_gem_object *gem_obj, int flags); | |
3385 | ||
fe14d5f4 | 3386 | struct i915_vma * |
ec7adb6e | 3387 | i915_gem_obj_to_vma(struct drm_i915_gem_object *obj, |
058d88c4 CW |
3388 | struct i915_address_space *vm, |
3389 | const struct i915_ggtt_view *view); | |
fe14d5f4 | 3390 | |
accfef2e BW |
3391 | struct i915_vma * |
3392 | i915_gem_obj_lookup_or_create_vma(struct drm_i915_gem_object *obj, | |
058d88c4 CW |
3393 | struct i915_address_space *vm, |
3394 | const struct i915_ggtt_view *view); | |
5c2abbea | 3395 | |
841cd773 DV |
3396 | static inline struct i915_hw_ppgtt * |
3397 | i915_vm_to_ppgtt(struct i915_address_space *vm) | |
3398 | { | |
841cd773 DV |
3399 | return container_of(vm, struct i915_hw_ppgtt, base); |
3400 | } | |
3401 | ||
058d88c4 CW |
3402 | static inline struct i915_vma * |
3403 | i915_gem_object_to_ggtt(struct drm_i915_gem_object *obj, | |
3404 | const struct i915_ggtt_view *view) | |
a70a3148 | 3405 | { |
058d88c4 | 3406 | return i915_gem_obj_to_vma(obj, &to_i915(obj->base.dev)->ggtt.base, view); |
a70a3148 BW |
3407 | } |
3408 | ||
058d88c4 CW |
3409 | static inline unsigned long |
3410 | i915_gem_object_ggtt_offset(struct drm_i915_gem_object *o, | |
3411 | const struct i915_ggtt_view *view) | |
e6617330 | 3412 | { |
bde13ebd | 3413 | return i915_ggtt_offset(i915_gem_object_to_ggtt(o, view)); |
e6617330 | 3414 | } |
b287110e | 3415 | |
b42fe9ca | 3416 | /* i915_gem_fence_reg.c */ |
49ef5294 CW |
3417 | int __must_check i915_vma_get_fence(struct i915_vma *vma); |
3418 | int __must_check i915_vma_put_fence(struct i915_vma *vma); | |
3419 | ||
4362f4f6 | 3420 | void i915_gem_restore_fences(struct drm_i915_private *dev_priv); |
41a36b73 | 3421 | |
4362f4f6 | 3422 | void i915_gem_detect_bit_6_swizzle(struct drm_i915_private *dev_priv); |
03ac84f1 CW |
3423 | void i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object *obj, |
3424 | struct sg_table *pages); | |
3425 | void i915_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object *obj, | |
3426 | struct sg_table *pages); | |
7f96ecaf | 3427 | |
ca585b5d CW |
3428 | static inline struct i915_gem_context * |
3429 | i915_gem_context_lookup(struct drm_i915_file_private *file_priv, u32 id) | |
3430 | { | |
3431 | struct i915_gem_context *ctx; | |
3432 | ||
091387c1 | 3433 | lockdep_assert_held(&file_priv->dev_priv->drm.struct_mutex); |
ca585b5d CW |
3434 | |
3435 | ctx = idr_find(&file_priv->context_idr, id); | |
3436 | if (!ctx) | |
3437 | return ERR_PTR(-ENOENT); | |
3438 | ||
3439 | return ctx; | |
3440 | } | |
3441 | ||
9a6feaf0 CW |
3442 | static inline struct i915_gem_context * |
3443 | i915_gem_context_get(struct i915_gem_context *ctx) | |
dce3271b | 3444 | { |
691e6415 | 3445 | kref_get(&ctx->ref); |
9a6feaf0 | 3446 | return ctx; |
dce3271b MK |
3447 | } |
3448 | ||
9a6feaf0 | 3449 | static inline void i915_gem_context_put(struct i915_gem_context *ctx) |
dce3271b | 3450 | { |
091387c1 | 3451 | lockdep_assert_held(&ctx->i915->drm.struct_mutex); |
691e6415 | 3452 | kref_put(&ctx->ref, i915_gem_context_free); |
dce3271b MK |
3453 | } |
3454 | ||
69df05e1 CW |
3455 | static inline void i915_gem_context_put_unlocked(struct i915_gem_context *ctx) |
3456 | { | |
bf51997c CW |
3457 | struct mutex *lock = &ctx->i915->drm.struct_mutex; |
3458 | ||
3459 | if (kref_put_mutex(&ctx->ref, i915_gem_context_free, lock)) | |
3460 | mutex_unlock(lock); | |
69df05e1 CW |
3461 | } |
3462 | ||
80b204bc CW |
3463 | static inline struct intel_timeline * |
3464 | i915_gem_context_lookup_timeline(struct i915_gem_context *ctx, | |
3465 | struct intel_engine_cs *engine) | |
3466 | { | |
3467 | struct i915_address_space *vm; | |
3468 | ||
3469 | vm = ctx->ppgtt ? &ctx->ppgtt->base : &ctx->i915->ggtt.base; | |
3470 | return &vm->timeline.engine[engine->id]; | |
3471 | } | |
3472 | ||
eec688e1 RB |
3473 | int i915_perf_open_ioctl(struct drm_device *dev, void *data, |
3474 | struct drm_file *file); | |
3475 | ||
679845ed | 3476 | /* i915_gem_evict.c */ |
e522ac23 | 3477 | int __must_check i915_gem_evict_something(struct i915_address_space *vm, |
2ffffd0f | 3478 | u64 min_size, u64 alignment, |
679845ed | 3479 | unsigned cache_level, |
2ffffd0f | 3480 | u64 start, u64 end, |
1ec9e26d | 3481 | unsigned flags); |
172ae5b4 CW |
3482 | int __must_check i915_gem_evict_for_vma(struct i915_vma *vma, |
3483 | unsigned int flags); | |
679845ed | 3484 | int i915_gem_evict_vm(struct i915_address_space *vm, bool do_idle); |
1d2a314c | 3485 | |
0260c420 | 3486 | /* belongs in i915_gem_gtt.h */ |
c033666a | 3487 | static inline void i915_gem_chipset_flush(struct drm_i915_private *dev_priv) |
e76e9aeb | 3488 | { |
600f4368 | 3489 | wmb(); |
c033666a | 3490 | if (INTEL_GEN(dev_priv) < 6) |
e76e9aeb BW |
3491 | intel_gtt_chipset_flush(); |
3492 | } | |
246cbfb5 | 3493 | |
9797fbfb | 3494 | /* i915_gem_stolen.c */ |
d713fd49 PZ |
3495 | int i915_gem_stolen_insert_node(struct drm_i915_private *dev_priv, |
3496 | struct drm_mm_node *node, u64 size, | |
3497 | unsigned alignment); | |
a9da512b PZ |
3498 | int i915_gem_stolen_insert_node_in_range(struct drm_i915_private *dev_priv, |
3499 | struct drm_mm_node *node, u64 size, | |
3500 | unsigned alignment, u64 start, | |
3501 | u64 end); | |
d713fd49 PZ |
3502 | void i915_gem_stolen_remove_node(struct drm_i915_private *dev_priv, |
3503 | struct drm_mm_node *node); | |
7ace3d30 | 3504 | int i915_gem_init_stolen(struct drm_i915_private *dev_priv); |
9797fbfb | 3505 | void i915_gem_cleanup_stolen(struct drm_device *dev); |
0104fdbb | 3506 | struct drm_i915_gem_object * |
187685cb | 3507 | i915_gem_object_create_stolen(struct drm_i915_private *dev_priv, u32 size); |
866d12b4 | 3508 | struct drm_i915_gem_object * |
187685cb | 3509 | i915_gem_object_create_stolen_for_preallocated(struct drm_i915_private *dev_priv, |
866d12b4 CW |
3510 | u32 stolen_offset, |
3511 | u32 gtt_offset, | |
3512 | u32 size); | |
9797fbfb | 3513 | |
920cf419 CW |
3514 | /* i915_gem_internal.c */ |
3515 | struct drm_i915_gem_object * | |
3516 | i915_gem_object_create_internal(struct drm_i915_private *dev_priv, | |
3517 | unsigned int size); | |
3518 | ||
be6a0376 DV |
3519 | /* i915_gem_shrinker.c */ |
3520 | unsigned long i915_gem_shrink(struct drm_i915_private *dev_priv, | |
14387540 | 3521 | unsigned long target, |
be6a0376 DV |
3522 | unsigned flags); |
3523 | #define I915_SHRINK_PURGEABLE 0x1 | |
3524 | #define I915_SHRINK_UNBOUND 0x2 | |
3525 | #define I915_SHRINK_BOUND 0x4 | |
5763ff04 | 3526 | #define I915_SHRINK_ACTIVE 0x8 |
eae2c43b | 3527 | #define I915_SHRINK_VMAPS 0x10 |
be6a0376 DV |
3528 | unsigned long i915_gem_shrink_all(struct drm_i915_private *dev_priv); |
3529 | void i915_gem_shrinker_init(struct drm_i915_private *dev_priv); | |
a8a40589 | 3530 | void i915_gem_shrinker_cleanup(struct drm_i915_private *dev_priv); |
be6a0376 DV |
3531 | |
3532 | ||
673a394b | 3533 | /* i915_gem_tiling.c */ |
2c1792a1 | 3534 | static inline bool i915_gem_object_needs_bit17_swizzle(struct drm_i915_gem_object *obj) |
e9b73c67 | 3535 | { |
091387c1 | 3536 | struct drm_i915_private *dev_priv = to_i915(obj->base.dev); |
e9b73c67 CW |
3537 | |
3538 | return dev_priv->mm.bit_6_swizzle_x == I915_BIT_6_SWIZZLE_9_10_17 && | |
3e510a8e | 3539 | i915_gem_object_is_tiled(obj); |
e9b73c67 CW |
3540 | } |
3541 | ||
2017263e | 3542 | /* i915_debugfs.c */ |
f8c168fa | 3543 | #ifdef CONFIG_DEBUG_FS |
1dac891c CW |
3544 | int i915_debugfs_register(struct drm_i915_private *dev_priv); |
3545 | void i915_debugfs_unregister(struct drm_i915_private *dev_priv); | |
249e87de | 3546 | int i915_debugfs_connector_add(struct drm_connector *connector); |
36cdd013 | 3547 | void intel_display_crc_init(struct drm_i915_private *dev_priv); |
07144428 | 3548 | #else |
8d35acba CW |
3549 | static inline int i915_debugfs_register(struct drm_i915_private *dev_priv) {return 0;} |
3550 | static inline void i915_debugfs_unregister(struct drm_i915_private *dev_priv) {} | |
101057fa DV |
3551 | static inline int i915_debugfs_connector_add(struct drm_connector *connector) |
3552 | { return 0; } | |
ce5e2ac1 | 3553 | static inline void intel_display_crc_init(struct drm_i915_private *dev_priv) {} |
07144428 | 3554 | #endif |
84734a04 MK |
3555 | |
3556 | /* i915_gpu_error.c */ | |
98a2f411 CW |
3557 | #if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR) |
3558 | ||
edc3d884 MK |
3559 | __printf(2, 3) |
3560 | void i915_error_printf(struct drm_i915_error_state_buf *e, const char *f, ...); | |
fc16b48b MK |
3561 | int i915_error_state_to_str(struct drm_i915_error_state_buf *estr, |
3562 | const struct i915_error_state_file_priv *error); | |
4dc955f7 | 3563 | int i915_error_state_buf_init(struct drm_i915_error_state_buf *eb, |
0a4cd7c8 | 3564 | struct drm_i915_private *i915, |
4dc955f7 MK |
3565 | size_t count, loff_t pos); |
3566 | static inline void i915_error_state_buf_release( | |
3567 | struct drm_i915_error_state_buf *eb) | |
3568 | { | |
3569 | kfree(eb->buf); | |
3570 | } | |
c033666a CW |
3571 | void i915_capture_error_state(struct drm_i915_private *dev_priv, |
3572 | u32 engine_mask, | |
58174462 | 3573 | const char *error_msg); |
84734a04 MK |
3574 | void i915_error_state_get(struct drm_device *dev, |
3575 | struct i915_error_state_file_priv *error_priv); | |
3576 | void i915_error_state_put(struct i915_error_state_file_priv *error_priv); | |
12ff05e7 | 3577 | void i915_destroy_error_state(struct drm_i915_private *dev_priv); |
84734a04 | 3578 | |
98a2f411 CW |
3579 | #else |
3580 | ||
3581 | static inline void i915_capture_error_state(struct drm_i915_private *dev_priv, | |
3582 | u32 engine_mask, | |
3583 | const char *error_msg) | |
3584 | { | |
3585 | } | |
3586 | ||
12ff05e7 | 3587 | static inline void i915_destroy_error_state(struct drm_i915_private *dev_priv) |
98a2f411 CW |
3588 | { |
3589 | } | |
3590 | ||
3591 | #endif | |
3592 | ||
0a4cd7c8 | 3593 | const char *i915_cache_level_str(struct drm_i915_private *i915, int type); |
2017263e | 3594 | |
351e3db2 | 3595 | /* i915_cmd_parser.c */ |
1ca3712c | 3596 | int i915_cmd_parser_get_version(struct drm_i915_private *dev_priv); |
7756e454 | 3597 | void intel_engine_init_cmd_parser(struct intel_engine_cs *engine); |
33a051a5 | 3598 | void intel_engine_cleanup_cmd_parser(struct intel_engine_cs *engine); |
33a051a5 CW |
3599 | int intel_engine_cmd_parser(struct intel_engine_cs *engine, |
3600 | struct drm_i915_gem_object *batch_obj, | |
3601 | struct drm_i915_gem_object *shadow_batch_obj, | |
3602 | u32 batch_start_offset, | |
3603 | u32 batch_len, | |
3604 | bool is_master); | |
351e3db2 | 3605 | |
eec688e1 RB |
3606 | /* i915_perf.c */ |
3607 | extern void i915_perf_init(struct drm_i915_private *dev_priv); | |
3608 | extern void i915_perf_fini(struct drm_i915_private *dev_priv); | |
442b8c06 RB |
3609 | extern void i915_perf_register(struct drm_i915_private *dev_priv); |
3610 | extern void i915_perf_unregister(struct drm_i915_private *dev_priv); | |
eec688e1 | 3611 | |
317c35d1 | 3612 | /* i915_suspend.c */ |
af6dc742 TU |
3613 | extern int i915_save_state(struct drm_i915_private *dev_priv); |
3614 | extern int i915_restore_state(struct drm_i915_private *dev_priv); | |
0a3e67a4 | 3615 | |
0136db58 | 3616 | /* i915_sysfs.c */ |
694c2828 DW |
3617 | void i915_setup_sysfs(struct drm_i915_private *dev_priv); |
3618 | void i915_teardown_sysfs(struct drm_i915_private *dev_priv); | |
0136db58 | 3619 | |
f899fc64 | 3620 | /* intel_i2c.c */ |
40196446 TU |
3621 | extern int intel_setup_gmbus(struct drm_i915_private *dev_priv); |
3622 | extern void intel_teardown_gmbus(struct drm_i915_private *dev_priv); | |
88ac7939 JN |
3623 | extern bool intel_gmbus_is_valid_pin(struct drm_i915_private *dev_priv, |
3624 | unsigned int pin); | |
3bd7d909 | 3625 | |
0184df46 JN |
3626 | extern struct i2c_adapter * |
3627 | intel_gmbus_get_adapter(struct drm_i915_private *dev_priv, unsigned int pin); | |
e957d772 CW |
3628 | extern void intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed); |
3629 | extern void intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit); | |
8f375e10 | 3630 | static inline bool intel_gmbus_is_forced_bit(struct i2c_adapter *adapter) |
b8232e90 CW |
3631 | { |
3632 | return container_of(adapter, struct intel_gmbus, adapter)->force_bit; | |
3633 | } | |
af6dc742 | 3634 | extern void intel_i2c_reset(struct drm_i915_private *dev_priv); |
f899fc64 | 3635 | |
8b8e1a89 | 3636 | /* intel_bios.c */ |
98f3a1dc | 3637 | int intel_bios_init(struct drm_i915_private *dev_priv); |
f0067a31 | 3638 | bool intel_bios_is_valid_vbt(const void *buf, size_t size); |
3bdd14d5 | 3639 | bool intel_bios_is_tv_present(struct drm_i915_private *dev_priv); |
5a69d13d | 3640 | bool intel_bios_is_lvds_present(struct drm_i915_private *dev_priv, u8 *i2c_pin); |
22f35042 | 3641 | bool intel_bios_is_port_present(struct drm_i915_private *dev_priv, enum port port); |
951d9efe | 3642 | bool intel_bios_is_port_edp(struct drm_i915_private *dev_priv, enum port port); |
d6199256 | 3643 | bool intel_bios_is_port_dp_dual_mode(struct drm_i915_private *dev_priv, enum port port); |
7137aec1 | 3644 | bool intel_bios_is_dsi_present(struct drm_i915_private *dev_priv, enum port *port); |
d252bf68 SS |
3645 | bool intel_bios_is_port_hpd_inverted(struct drm_i915_private *dev_priv, |
3646 | enum port port); | |
6389dd83 SS |
3647 | bool intel_bios_is_lspcon_present(struct drm_i915_private *dev_priv, |
3648 | enum port port); | |
3649 | ||
8b8e1a89 | 3650 | |
3b617967 | 3651 | /* intel_opregion.c */ |
44834a67 | 3652 | #ifdef CONFIG_ACPI |
6f9f4b7a | 3653 | extern int intel_opregion_setup(struct drm_i915_private *dev_priv); |
03d92e47 CW |
3654 | extern void intel_opregion_register(struct drm_i915_private *dev_priv); |
3655 | extern void intel_opregion_unregister(struct drm_i915_private *dev_priv); | |
91d14251 | 3656 | extern void intel_opregion_asle_intr(struct drm_i915_private *dev_priv); |
9c4b0a68 JN |
3657 | extern int intel_opregion_notify_encoder(struct intel_encoder *intel_encoder, |
3658 | bool enable); | |
6f9f4b7a | 3659 | extern int intel_opregion_notify_adapter(struct drm_i915_private *dev_priv, |
ecbc5cf3 | 3660 | pci_power_t state); |
6f9f4b7a | 3661 | extern int intel_opregion_get_panel_type(struct drm_i915_private *dev_priv); |
65e082c9 | 3662 | #else |
6f9f4b7a | 3663 | static inline int intel_opregion_setup(struct drm_i915_private *dev) { return 0; } |
bdaa2dfb RD |
3664 | static inline void intel_opregion_register(struct drm_i915_private *dev_priv) { } |
3665 | static inline void intel_opregion_unregister(struct drm_i915_private *dev_priv) { } | |
91d14251 TU |
3666 | static inline void intel_opregion_asle_intr(struct drm_i915_private *dev_priv) |
3667 | { | |
3668 | } | |
9c4b0a68 JN |
3669 | static inline int |
3670 | intel_opregion_notify_encoder(struct intel_encoder *intel_encoder, bool enable) | |
3671 | { | |
3672 | return 0; | |
3673 | } | |
ecbc5cf3 | 3674 | static inline int |
6f9f4b7a | 3675 | intel_opregion_notify_adapter(struct drm_i915_private *dev, pci_power_t state) |
ecbc5cf3 JN |
3676 | { |
3677 | return 0; | |
3678 | } | |
6f9f4b7a | 3679 | static inline int intel_opregion_get_panel_type(struct drm_i915_private *dev) |
a0562819 VS |
3680 | { |
3681 | return -ENODEV; | |
3682 | } | |
65e082c9 | 3683 | #endif |
8ee1c3db | 3684 | |
723bfd70 JB |
3685 | /* intel_acpi.c */ |
3686 | #ifdef CONFIG_ACPI | |
3687 | extern void intel_register_dsm_handler(void); | |
3688 | extern void intel_unregister_dsm_handler(void); | |
3689 | #else | |
3690 | static inline void intel_register_dsm_handler(void) { return; } | |
3691 | static inline void intel_unregister_dsm_handler(void) { return; } | |
3692 | #endif /* CONFIG_ACPI */ | |
3693 | ||
94b4f3ba CW |
3694 | /* intel_device_info.c */ |
3695 | static inline struct intel_device_info * | |
3696 | mkwrite_device_info(struct drm_i915_private *dev_priv) | |
3697 | { | |
3698 | return (struct intel_device_info *)&dev_priv->info; | |
3699 | } | |
3700 | ||
2e0d26f8 | 3701 | const char *intel_platform_name(enum intel_platform platform); |
94b4f3ba CW |
3702 | void intel_device_info_runtime_init(struct drm_i915_private *dev_priv); |
3703 | void intel_device_info_dump(struct drm_i915_private *dev_priv); | |
3704 | ||
79e53945 | 3705 | /* modesetting */ |
f817586c | 3706 | extern void intel_modeset_init_hw(struct drm_device *dev); |
b079bd17 | 3707 | extern int intel_modeset_init(struct drm_device *dev); |
2c7111db | 3708 | extern void intel_modeset_gem_init(struct drm_device *dev); |
79e53945 | 3709 | extern void intel_modeset_cleanup(struct drm_device *dev); |
1ebaa0b9 | 3710 | extern int intel_connector_register(struct drm_connector *); |
c191eca1 | 3711 | extern void intel_connector_unregister(struct drm_connector *); |
6315b5d3 TU |
3712 | extern int intel_modeset_vga_set_state(struct drm_i915_private *dev_priv, |
3713 | bool state); | |
043e9bda | 3714 | extern void intel_display_resume(struct drm_device *dev); |
29b74b7f TU |
3715 | extern void i915_redisable_vga(struct drm_i915_private *dev_priv); |
3716 | extern void i915_redisable_vga_power_on(struct drm_i915_private *dev_priv); | |
91d14251 | 3717 | extern bool ironlake_set_drps(struct drm_i915_private *dev_priv, u8 val); |
c39055b0 | 3718 | extern void intel_init_pch_refclk(struct drm_i915_private *dev_priv); |
dc97997a | 3719 | extern void intel_set_rps(struct drm_i915_private *dev_priv, u8 val); |
11a85d6a | 3720 | extern bool intel_set_memory_cxsr(struct drm_i915_private *dev_priv, |
5209b1f4 | 3721 | bool enable); |
3bad0781 | 3722 | |
c0c7babc BW |
3723 | int i915_reg_read_ioctl(struct drm_device *dev, void *data, |
3724 | struct drm_file *file); | |
575155a9 | 3725 | |
6ef3d427 | 3726 | /* overlay */ |
c033666a CW |
3727 | extern struct intel_overlay_error_state * |
3728 | intel_overlay_capture_error_state(struct drm_i915_private *dev_priv); | |
edc3d884 MK |
3729 | extern void intel_overlay_print_error_state(struct drm_i915_error_state_buf *e, |
3730 | struct intel_overlay_error_state *error); | |
c4a1d9e4 | 3731 | |
c033666a CW |
3732 | extern struct intel_display_error_state * |
3733 | intel_display_capture_error_state(struct drm_i915_private *dev_priv); | |
edc3d884 | 3734 | extern void intel_display_print_error_state(struct drm_i915_error_state_buf *e, |
5f56d5f9 | 3735 | struct drm_i915_private *dev_priv, |
c4a1d9e4 | 3736 | struct intel_display_error_state *error); |
6ef3d427 | 3737 | |
151a49d0 TR |
3738 | int sandybridge_pcode_read(struct drm_i915_private *dev_priv, u32 mbox, u32 *val); |
3739 | int sandybridge_pcode_write(struct drm_i915_private *dev_priv, u32 mbox, u32 val); | |
a0b8a1fe ID |
3740 | int skl_pcode_request(struct drm_i915_private *dev_priv, u32 mbox, u32 request, |
3741 | u32 reply_mask, u32 reply, int timeout_base_ms); | |
59de0813 JN |
3742 | |
3743 | /* intel_sideband.c */ | |
707b6e3d D |
3744 | u32 vlv_punit_read(struct drm_i915_private *dev_priv, u32 addr); |
3745 | void vlv_punit_write(struct drm_i915_private *dev_priv, u32 addr, u32 val); | |
64936258 | 3746 | u32 vlv_nc_read(struct drm_i915_private *dev_priv, u8 addr); |
dfb19ed2 D |
3747 | u32 vlv_iosf_sb_read(struct drm_i915_private *dev_priv, u8 port, u32 reg); |
3748 | void vlv_iosf_sb_write(struct drm_i915_private *dev_priv, u8 port, u32 reg, u32 val); | |
e9f882a3 JN |
3749 | u32 vlv_cck_read(struct drm_i915_private *dev_priv, u32 reg); |
3750 | void vlv_cck_write(struct drm_i915_private *dev_priv, u32 reg, u32 val); | |
3751 | u32 vlv_ccu_read(struct drm_i915_private *dev_priv, u32 reg); | |
3752 | void vlv_ccu_write(struct drm_i915_private *dev_priv, u32 reg, u32 val); | |
f3419158 JB |
3753 | u32 vlv_bunit_read(struct drm_i915_private *dev_priv, u32 reg); |
3754 | void vlv_bunit_write(struct drm_i915_private *dev_priv, u32 reg, u32 val); | |
5e69f97f CML |
3755 | u32 vlv_dpio_read(struct drm_i915_private *dev_priv, enum pipe pipe, int reg); |
3756 | void vlv_dpio_write(struct drm_i915_private *dev_priv, enum pipe pipe, int reg, u32 val); | |
59de0813 JN |
3757 | u32 intel_sbi_read(struct drm_i915_private *dev_priv, u16 reg, |
3758 | enum intel_sbi_destination destination); | |
3759 | void intel_sbi_write(struct drm_i915_private *dev_priv, u16 reg, u32 value, | |
3760 | enum intel_sbi_destination destination); | |
e9fe51c6 SK |
3761 | u32 vlv_flisdsi_read(struct drm_i915_private *dev_priv, u32 reg); |
3762 | void vlv_flisdsi_write(struct drm_i915_private *dev_priv, u32 reg, u32 val); | |
0a073b84 | 3763 | |
b7fa22d8 | 3764 | /* intel_dpio_phy.c */ |
0a116ce8 | 3765 | void bxt_port_to_phy_channel(struct drm_i915_private *dev_priv, enum port port, |
ed37892e | 3766 | enum dpio_phy *phy, enum dpio_channel *ch); |
b6e08203 ACO |
3767 | void bxt_ddi_phy_set_signal_level(struct drm_i915_private *dev_priv, |
3768 | enum port port, u32 margin, u32 scale, | |
3769 | u32 enable, u32 deemphasis); | |
47a6bc61 ACO |
3770 | void bxt_ddi_phy_init(struct drm_i915_private *dev_priv, enum dpio_phy phy); |
3771 | void bxt_ddi_phy_uninit(struct drm_i915_private *dev_priv, enum dpio_phy phy); | |
3772 | bool bxt_ddi_phy_is_enabled(struct drm_i915_private *dev_priv, | |
3773 | enum dpio_phy phy); | |
3774 | bool bxt_ddi_phy_verify_state(struct drm_i915_private *dev_priv, | |
3775 | enum dpio_phy phy); | |
3776 | uint8_t bxt_ddi_phy_calc_lane_lat_optim_mask(struct intel_encoder *encoder, | |
3777 | uint8_t lane_count); | |
3778 | void bxt_ddi_phy_set_lane_optim_mask(struct intel_encoder *encoder, | |
3779 | uint8_t lane_lat_optim_mask); | |
3780 | uint8_t bxt_ddi_phy_get_lane_lat_optim_mask(struct intel_encoder *encoder); | |
3781 | ||
b7fa22d8 ACO |
3782 | void chv_set_phy_signal_level(struct intel_encoder *encoder, |
3783 | u32 deemph_reg_value, u32 margin_reg_value, | |
3784 | bool uniq_trans_scale); | |
844b2f9a ACO |
3785 | void chv_data_lane_soft_reset(struct intel_encoder *encoder, |
3786 | bool reset); | |
419b1b7a | 3787 | void chv_phy_pre_pll_enable(struct intel_encoder *encoder); |
e7d2a717 ACO |
3788 | void chv_phy_pre_encoder_enable(struct intel_encoder *encoder); |
3789 | void chv_phy_release_cl2_override(struct intel_encoder *encoder); | |
204970b5 | 3790 | void chv_phy_post_pll_disable(struct intel_encoder *encoder); |
b7fa22d8 | 3791 | |
53d98725 ACO |
3792 | void vlv_set_phy_signal_level(struct intel_encoder *encoder, |
3793 | u32 demph_reg_value, u32 preemph_reg_value, | |
3794 | u32 uniqtranscale_reg_value, u32 tx3_demph); | |
6da2e616 | 3795 | void vlv_phy_pre_pll_enable(struct intel_encoder *encoder); |
5f68c275 | 3796 | void vlv_phy_pre_encoder_enable(struct intel_encoder *encoder); |
0f572ebe | 3797 | void vlv_phy_reset_lanes(struct intel_encoder *encoder); |
53d98725 | 3798 | |
616bc820 VS |
3799 | int intel_gpu_freq(struct drm_i915_private *dev_priv, int val); |
3800 | int intel_freq_opcode(struct drm_i915_private *dev_priv, int val); | |
c8d9a590 | 3801 | |
0b274481 BW |
3802 | #define I915_READ8(reg) dev_priv->uncore.funcs.mmio_readb(dev_priv, (reg), true) |
3803 | #define I915_WRITE8(reg, val) dev_priv->uncore.funcs.mmio_writeb(dev_priv, (reg), (val), true) | |
3804 | ||
3805 | #define I915_READ16(reg) dev_priv->uncore.funcs.mmio_readw(dev_priv, (reg), true) | |
3806 | #define I915_WRITE16(reg, val) dev_priv->uncore.funcs.mmio_writew(dev_priv, (reg), (val), true) | |
3807 | #define I915_READ16_NOTRACE(reg) dev_priv->uncore.funcs.mmio_readw(dev_priv, (reg), false) | |
3808 | #define I915_WRITE16_NOTRACE(reg, val) dev_priv->uncore.funcs.mmio_writew(dev_priv, (reg), (val), false) | |
3809 | ||
3810 | #define I915_READ(reg) dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true) | |
3811 | #define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), true) | |
3812 | #define I915_READ_NOTRACE(reg) dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), false) | |
3813 | #define I915_WRITE_NOTRACE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), false) | |
3814 | ||
698b3135 CW |
3815 | /* Be very careful with read/write 64-bit values. On 32-bit machines, they |
3816 | * will be implemented using 2 32-bit writes in an arbitrary order with | |
3817 | * an arbitrary delay between them. This can cause the hardware to | |
3818 | * act upon the intermediate value, possibly leading to corruption and | |
b18c1bb4 CW |
3819 | * machine death. For this reason we do not support I915_WRITE64, or |
3820 | * dev_priv->uncore.funcs.mmio_writeq. | |
3821 | * | |
3822 | * When reading a 64-bit value as two 32-bit values, the delay may cause | |
3823 | * the two reads to mismatch, e.g. a timestamp overflowing. Also note that | |
3824 | * occasionally a 64-bit register does not actualy support a full readq | |
3825 | * and must be read using two 32-bit reads. | |
3826 | * | |
3827 | * You have been warned. | |
698b3135 | 3828 | */ |
0b274481 | 3829 | #define I915_READ64(reg) dev_priv->uncore.funcs.mmio_readq(dev_priv, (reg), true) |
cae5852d | 3830 | |
50877445 | 3831 | #define I915_READ64_2x32(lower_reg, upper_reg) ({ \ |
acd29f7b CW |
3832 | u32 upper, lower, old_upper, loop = 0; \ |
3833 | upper = I915_READ(upper_reg); \ | |
ee0a227b | 3834 | do { \ |
acd29f7b | 3835 | old_upper = upper; \ |
ee0a227b | 3836 | lower = I915_READ(lower_reg); \ |
acd29f7b CW |
3837 | upper = I915_READ(upper_reg); \ |
3838 | } while (upper != old_upper && loop++ < 2); \ | |
ee0a227b | 3839 | (u64)upper << 32 | lower; }) |
50877445 | 3840 | |
cae5852d ZN |
3841 | #define POSTING_READ(reg) (void)I915_READ_NOTRACE(reg) |
3842 | #define POSTING_READ16(reg) (void)I915_READ16_NOTRACE(reg) | |
3843 | ||
75aa3f63 VS |
3844 | #define __raw_read(x, s) \ |
3845 | static inline uint##x##_t __raw_i915_read##x(struct drm_i915_private *dev_priv, \ | |
f0f59a00 | 3846 | i915_reg_t reg) \ |
75aa3f63 | 3847 | { \ |
f0f59a00 | 3848 | return read##s(dev_priv->regs + i915_mmio_reg_offset(reg)); \ |
75aa3f63 VS |
3849 | } |
3850 | ||
3851 | #define __raw_write(x, s) \ | |
3852 | static inline void __raw_i915_write##x(struct drm_i915_private *dev_priv, \ | |
f0f59a00 | 3853 | i915_reg_t reg, uint##x##_t val) \ |
75aa3f63 | 3854 | { \ |
f0f59a00 | 3855 | write##s(val, dev_priv->regs + i915_mmio_reg_offset(reg)); \ |
75aa3f63 VS |
3856 | } |
3857 | __raw_read(8, b) | |
3858 | __raw_read(16, w) | |
3859 | __raw_read(32, l) | |
3860 | __raw_read(64, q) | |
3861 | ||
3862 | __raw_write(8, b) | |
3863 | __raw_write(16, w) | |
3864 | __raw_write(32, l) | |
3865 | __raw_write(64, q) | |
3866 | ||
3867 | #undef __raw_read | |
3868 | #undef __raw_write | |
3869 | ||
a6111f7b | 3870 | /* These are untraced mmio-accessors that are only valid to be used inside |
aafee2eb | 3871 | * critical sections, such as inside IRQ handlers, where forcewake is explicitly |
a6111f7b | 3872 | * controlled. |
aafee2eb | 3873 | * |
a6111f7b | 3874 | * Think twice, and think again, before using these. |
aafee2eb AH |
3875 | * |
3876 | * As an example, these accessors can possibly be used between: | |
3877 | * | |
3878 | * spin_lock_irq(&dev_priv->uncore.lock); | |
3879 | * intel_uncore_forcewake_get__locked(); | |
3880 | * | |
3881 | * and | |
3882 | * | |
3883 | * intel_uncore_forcewake_put__locked(); | |
3884 | * spin_unlock_irq(&dev_priv->uncore.lock); | |
3885 | * | |
3886 | * | |
3887 | * Note: some registers may not need forcewake held, so | |
3888 | * intel_uncore_forcewake_{get,put} can be omitted, see | |
3889 | * intel_uncore_forcewake_for_reg(). | |
3890 | * | |
3891 | * Certain architectures will die if the same cacheline is concurrently accessed | |
3892 | * by different clients (e.g. on Ivybridge). Access to registers should | |
3893 | * therefore generally be serialised, by either the dev_priv->uncore.lock or | |
3894 | * a more localised lock guarding all access to that bank of registers. | |
a6111f7b | 3895 | */ |
75aa3f63 VS |
3896 | #define I915_READ_FW(reg__) __raw_i915_read32(dev_priv, (reg__)) |
3897 | #define I915_WRITE_FW(reg__, val__) __raw_i915_write32(dev_priv, (reg__), (val__)) | |
76f8421f | 3898 | #define I915_WRITE64_FW(reg__, val__) __raw_i915_write64(dev_priv, (reg__), (val__)) |
a6111f7b CW |
3899 | #define POSTING_READ_FW(reg__) (void)I915_READ_FW(reg__) |
3900 | ||
55bc60db VS |
3901 | /* "Broadcast RGB" property */ |
3902 | #define INTEL_BROADCAST_RGB_AUTO 0 | |
3903 | #define INTEL_BROADCAST_RGB_FULL 1 | |
3904 | #define INTEL_BROADCAST_RGB_LIMITED 2 | |
ba4f01a3 | 3905 | |
920a14b2 | 3906 | static inline i915_reg_t i915_vgacntrl_reg(struct drm_i915_private *dev_priv) |
766aa1c4 | 3907 | { |
920a14b2 | 3908 | if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) |
766aa1c4 | 3909 | return VLV_VGACNTRL; |
920a14b2 | 3910 | else if (INTEL_GEN(dev_priv) >= 5) |
92e23b99 | 3911 | return CPU_VGACNTRL; |
766aa1c4 VS |
3912 | else |
3913 | return VGACNTRL; | |
3914 | } | |
3915 | ||
df97729f ID |
3916 | static inline unsigned long msecs_to_jiffies_timeout(const unsigned int m) |
3917 | { | |
3918 | unsigned long j = msecs_to_jiffies(m); | |
3919 | ||
3920 | return min_t(unsigned long, MAX_JIFFY_OFFSET, j + 1); | |
3921 | } | |
3922 | ||
7bd0e226 DV |
3923 | static inline unsigned long nsecs_to_jiffies_timeout(const u64 n) |
3924 | { | |
3925 | return min_t(u64, MAX_JIFFY_OFFSET, nsecs_to_jiffies64(n) + 1); | |
3926 | } | |
3927 | ||
df97729f ID |
3928 | static inline unsigned long |
3929 | timespec_to_jiffies_timeout(const struct timespec *value) | |
3930 | { | |
3931 | unsigned long j = timespec_to_jiffies(value); | |
3932 | ||
3933 | return min_t(unsigned long, MAX_JIFFY_OFFSET, j + 1); | |
3934 | } | |
3935 | ||
dce56b3c PZ |
3936 | /* |
3937 | * If you need to wait X milliseconds between events A and B, but event B | |
3938 | * doesn't happen exactly after event A, you record the timestamp (jiffies) of | |
3939 | * when event A happened, then just before event B you call this function and | |
3940 | * pass the timestamp as the first argument, and X as the second argument. | |
3941 | */ | |
3942 | static inline void | |
3943 | wait_remaining_ms_from_jiffies(unsigned long timestamp_jiffies, int to_wait_ms) | |
3944 | { | |
ec5e0cfb | 3945 | unsigned long target_jiffies, tmp_jiffies, remaining_jiffies; |
dce56b3c PZ |
3946 | |
3947 | /* | |
3948 | * Don't re-read the value of "jiffies" every time since it may change | |
3949 | * behind our back and break the math. | |
3950 | */ | |
3951 | tmp_jiffies = jiffies; | |
3952 | target_jiffies = timestamp_jiffies + | |
3953 | msecs_to_jiffies_timeout(to_wait_ms); | |
3954 | ||
3955 | if (time_after(target_jiffies, tmp_jiffies)) { | |
ec5e0cfb ID |
3956 | remaining_jiffies = target_jiffies - tmp_jiffies; |
3957 | while (remaining_jiffies) | |
3958 | remaining_jiffies = | |
3959 | schedule_timeout_uninterruptible(remaining_jiffies); | |
dce56b3c PZ |
3960 | } |
3961 | } | |
221fe799 CW |
3962 | |
3963 | static inline bool | |
3964 | __i915_request_irq_complete(struct drm_i915_gem_request *req) | |
688e6c72 | 3965 | { |
f69a02c9 CW |
3966 | struct intel_engine_cs *engine = req->engine; |
3967 | ||
7ec2c73b CW |
3968 | /* Before we do the heavier coherent read of the seqno, |
3969 | * check the value (hopefully) in the CPU cacheline. | |
3970 | */ | |
65e4760e | 3971 | if (__i915_gem_request_completed(req)) |
7ec2c73b CW |
3972 | return true; |
3973 | ||
688e6c72 CW |
3974 | /* Ensure our read of the seqno is coherent so that we |
3975 | * do not "miss an interrupt" (i.e. if this is the last | |
3976 | * request and the seqno write from the GPU is not visible | |
3977 | * by the time the interrupt fires, we will see that the | |
3978 | * request is incomplete and go back to sleep awaiting | |
3979 | * another interrupt that will never come.) | |
3980 | * | |
3981 | * Strictly, we only need to do this once after an interrupt, | |
3982 | * but it is easier and safer to do it every time the waiter | |
3983 | * is woken. | |
3984 | */ | |
3d5564e9 | 3985 | if (engine->irq_seqno_barrier && |
dbd6ef29 | 3986 | rcu_access_pointer(engine->breadcrumbs.irq_seqno_bh) == current && |
aca34b6e | 3987 | cmpxchg_relaxed(&engine->breadcrumbs.irq_posted, 1, 0)) { |
99fe4a5f CW |
3988 | struct task_struct *tsk; |
3989 | ||
3d5564e9 CW |
3990 | /* The ordering of irq_posted versus applying the barrier |
3991 | * is crucial. The clearing of the current irq_posted must | |
3992 | * be visible before we perform the barrier operation, | |
3993 | * such that if a subsequent interrupt arrives, irq_posted | |
3994 | * is reasserted and our task rewoken (which causes us to | |
3995 | * do another __i915_request_irq_complete() immediately | |
3996 | * and reapply the barrier). Conversely, if the clear | |
3997 | * occurs after the barrier, then an interrupt that arrived | |
3998 | * whilst we waited on the barrier would not trigger a | |
3999 | * barrier on the next pass, and the read may not see the | |
4000 | * seqno update. | |
4001 | */ | |
f69a02c9 | 4002 | engine->irq_seqno_barrier(engine); |
99fe4a5f CW |
4003 | |
4004 | /* If we consume the irq, but we are no longer the bottom-half, | |
4005 | * the real bottom-half may not have serialised their own | |
4006 | * seqno check with the irq-barrier (i.e. may have inspected | |
4007 | * the seqno before we believe it coherent since they see | |
4008 | * irq_posted == false but we are still running). | |
4009 | */ | |
4010 | rcu_read_lock(); | |
dbd6ef29 | 4011 | tsk = rcu_dereference(engine->breadcrumbs.irq_seqno_bh); |
99fe4a5f CW |
4012 | if (tsk && tsk != current) |
4013 | /* Note that if the bottom-half is changed as we | |
4014 | * are sending the wake-up, the new bottom-half will | |
4015 | * be woken by whomever made the change. We only have | |
4016 | * to worry about when we steal the irq-posted for | |
4017 | * ourself. | |
4018 | */ | |
4019 | wake_up_process(tsk); | |
4020 | rcu_read_unlock(); | |
4021 | ||
65e4760e | 4022 | if (__i915_gem_request_completed(req)) |
7ec2c73b CW |
4023 | return true; |
4024 | } | |
688e6c72 | 4025 | |
688e6c72 CW |
4026 | return false; |
4027 | } | |
4028 | ||
0b1de5d5 CW |
4029 | void i915_memcpy_init_early(struct drm_i915_private *dev_priv); |
4030 | bool i915_memcpy_from_wc(void *dst, const void *src, unsigned long len); | |
4031 | ||
c58305af CW |
4032 | /* i915_mm.c */ |
4033 | int remap_io_mapping(struct vm_area_struct *vma, | |
4034 | unsigned long addr, unsigned long pfn, unsigned long size, | |
4035 | struct io_mapping *iomap); | |
4036 | ||
4b30cb23 CW |
4037 | #define ptr_mask_bits(ptr) ({ \ |
4038 | unsigned long __v = (unsigned long)(ptr); \ | |
4039 | (typeof(ptr))(__v & PAGE_MASK); \ | |
4040 | }) | |
4041 | ||
d31d7cb1 CW |
4042 | #define ptr_unpack_bits(ptr, bits) ({ \ |
4043 | unsigned long __v = (unsigned long)(ptr); \ | |
4044 | (bits) = __v & ~PAGE_MASK; \ | |
4045 | (typeof(ptr))(__v & PAGE_MASK); \ | |
4046 | }) | |
4047 | ||
4048 | #define ptr_pack_bits(ptr, bits) \ | |
4049 | ((typeof(ptr))((unsigned long)(ptr) | (bits))) | |
4050 | ||
78ef2d9a CW |
4051 | #define fetch_and_zero(ptr) ({ \ |
4052 | typeof(*ptr) __T = *(ptr); \ | |
4053 | *(ptr) = (typeof(*ptr))0; \ | |
4054 | __T; \ | |
4055 | }) | |
4056 | ||
1da177e4 | 4057 | #endif |