xref: /linux/drivers/gpu/drm/i915/i915_pci.c (revision 15a1fbdcfb519c2bd291ed01c6c94e0b89537a77)
1 /*
2  * Copyright © 2016 Intel Corporation
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  *
23  */
24 
25 #include <linux/console.h>
26 #include <linux/vga_switcheroo.h>
27 
28 #include <drm/drm_drv.h>
29 
30 #include "display/intel_fbdev.h"
31 
32 #include "i915_drv.h"
33 #include "i915_perf.h"
34 #include "i915_globals.h"
35 #include "i915_selftest.h"
36 
37 #define PLATFORM(x) .platform = (x)
38 #define GEN(x) .gen = (x), .gen_mask = BIT((x) - 1)
39 
40 #define I845_PIPE_OFFSETS \
41 	.pipe_offsets = { \
42 		[TRANSCODER_A] = PIPE_A_OFFSET,	\
43 	}, \
44 	.trans_offsets = { \
45 		[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
46 	}
47 
48 #define I9XX_PIPE_OFFSETS \
49 	.pipe_offsets = { \
50 		[TRANSCODER_A] = PIPE_A_OFFSET,	\
51 		[TRANSCODER_B] = PIPE_B_OFFSET, \
52 	}, \
53 	.trans_offsets = { \
54 		[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
55 		[TRANSCODER_B] = TRANSCODER_B_OFFSET, \
56 	}
57 
58 #define IVB_PIPE_OFFSETS \
59 	.pipe_offsets = { \
60 		[TRANSCODER_A] = PIPE_A_OFFSET,	\
61 		[TRANSCODER_B] = PIPE_B_OFFSET, \
62 		[TRANSCODER_C] = PIPE_C_OFFSET, \
63 	}, \
64 	.trans_offsets = { \
65 		[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
66 		[TRANSCODER_B] = TRANSCODER_B_OFFSET, \
67 		[TRANSCODER_C] = TRANSCODER_C_OFFSET, \
68 	}
69 
70 #define HSW_PIPE_OFFSETS \
71 	.pipe_offsets = { \
72 		[TRANSCODER_A] = PIPE_A_OFFSET,	\
73 		[TRANSCODER_B] = PIPE_B_OFFSET, \
74 		[TRANSCODER_C] = PIPE_C_OFFSET, \
75 		[TRANSCODER_EDP] = PIPE_EDP_OFFSET, \
76 	}, \
77 	.trans_offsets = { \
78 		[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
79 		[TRANSCODER_B] = TRANSCODER_B_OFFSET, \
80 		[TRANSCODER_C] = TRANSCODER_C_OFFSET, \
81 		[TRANSCODER_EDP] = TRANSCODER_EDP_OFFSET, \
82 	}
83 
84 #define CHV_PIPE_OFFSETS \
85 	.pipe_offsets = { \
86 		[TRANSCODER_A] = PIPE_A_OFFSET, \
87 		[TRANSCODER_B] = PIPE_B_OFFSET, \
88 		[TRANSCODER_C] = CHV_PIPE_C_OFFSET, \
89 	}, \
90 	.trans_offsets = { \
91 		[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
92 		[TRANSCODER_B] = TRANSCODER_B_OFFSET, \
93 		[TRANSCODER_C] = CHV_TRANSCODER_C_OFFSET, \
94 	}
95 
96 #define I845_CURSOR_OFFSETS \
97 	.cursor_offsets = { \
98 		[PIPE_A] = CURSOR_A_OFFSET, \
99 	}
100 
101 #define I9XX_CURSOR_OFFSETS \
102 	.cursor_offsets = { \
103 		[PIPE_A] = CURSOR_A_OFFSET, \
104 		[PIPE_B] = CURSOR_B_OFFSET, \
105 	}
106 
107 #define CHV_CURSOR_OFFSETS \
108 	.cursor_offsets = { \
109 		[PIPE_A] = CURSOR_A_OFFSET, \
110 		[PIPE_B] = CURSOR_B_OFFSET, \
111 		[PIPE_C] = CHV_CURSOR_C_OFFSET, \
112 	}
113 
114 #define IVB_CURSOR_OFFSETS \
115 	.cursor_offsets = { \
116 		[PIPE_A] = CURSOR_A_OFFSET, \
117 		[PIPE_B] = IVB_CURSOR_B_OFFSET, \
118 		[PIPE_C] = IVB_CURSOR_C_OFFSET, \
119 	}
120 
121 #define TGL_CURSOR_OFFSETS \
122 	.cursor_offsets = { \
123 		[PIPE_A] = CURSOR_A_OFFSET, \
124 		[PIPE_B] = IVB_CURSOR_B_OFFSET, \
125 		[PIPE_C] = IVB_CURSOR_C_OFFSET, \
126 		[PIPE_D] = TGL_CURSOR_D_OFFSET, \
127 	}
128 
129 #define I9XX_COLORS \
130 	.color = { .gamma_lut_size = 256 }
131 #define I965_COLORS \
132 	.color = { .gamma_lut_size = 129, \
133 		   .gamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
134 	}
135 #define ILK_COLORS \
136 	.color = { .gamma_lut_size = 1024 }
137 #define IVB_COLORS \
138 	.color = { .degamma_lut_size = 1024, .gamma_lut_size = 1024 }
139 #define CHV_COLORS \
140 	.color = { .degamma_lut_size = 65, .gamma_lut_size = 257, \
141 		   .degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
142 		   .gamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
143 	}
144 #define GLK_COLORS \
145 	.color = { .degamma_lut_size = 33, .gamma_lut_size = 1024, \
146 		   .degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING | \
147 					DRM_COLOR_LUT_EQUAL_CHANNELS, \
148 	}
149 
150 /* Keep in gen based order, and chronological order within a gen */
151 
152 #define GEN_DEFAULT_PAGE_SIZES \
153 	.page_sizes = I915_GTT_PAGE_SIZE_4K
154 
155 #define GEN_DEFAULT_REGIONS \
156 	.memory_regions = REGION_SMEM | REGION_STOLEN
157 
158 #define I830_FEATURES \
159 	GEN(2), \
160 	.is_mobile = 1, \
161 	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
162 	.display.has_overlay = 1, \
163 	.display.cursor_needs_physical = 1, \
164 	.display.overlay_needs_physical = 1, \
165 	.display.has_gmch = 1, \
166 	.gpu_reset_clobbers_display = true, \
167 	.hws_needs_physical = 1, \
168 	.unfenced_needs_alignment = 1, \
169 	.engine_mask = BIT(RCS0), \
170 	.has_snoop = true, \
171 	.has_coherent_ggtt = false, \
172 	I9XX_PIPE_OFFSETS, \
173 	I9XX_CURSOR_OFFSETS, \
174 	I9XX_COLORS, \
175 	GEN_DEFAULT_PAGE_SIZES, \
176 	GEN_DEFAULT_REGIONS
177 
178 #define I845_FEATURES \
179 	GEN(2), \
180 	.pipe_mask = BIT(PIPE_A), \
181 	.display.has_overlay = 1, \
182 	.display.overlay_needs_physical = 1, \
183 	.display.has_gmch = 1, \
184 	.gpu_reset_clobbers_display = true, \
185 	.hws_needs_physical = 1, \
186 	.unfenced_needs_alignment = 1, \
187 	.engine_mask = BIT(RCS0), \
188 	.has_snoop = true, \
189 	.has_coherent_ggtt = false, \
190 	I845_PIPE_OFFSETS, \
191 	I845_CURSOR_OFFSETS, \
192 	I9XX_COLORS, \
193 	GEN_DEFAULT_PAGE_SIZES, \
194 	GEN_DEFAULT_REGIONS
195 
196 static const struct intel_device_info i830_info = {
197 	I830_FEATURES,
198 	PLATFORM(INTEL_I830),
199 };
200 
201 static const struct intel_device_info i845g_info = {
202 	I845_FEATURES,
203 	PLATFORM(INTEL_I845G),
204 };
205 
206 static const struct intel_device_info i85x_info = {
207 	I830_FEATURES,
208 	PLATFORM(INTEL_I85X),
209 	.display.has_fbc = 1,
210 };
211 
212 static const struct intel_device_info i865g_info = {
213 	I845_FEATURES,
214 	PLATFORM(INTEL_I865G),
215 };
216 
217 #define GEN3_FEATURES \
218 	GEN(3), \
219 	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
220 	.display.has_gmch = 1, \
221 	.gpu_reset_clobbers_display = true, \
222 	.engine_mask = BIT(RCS0), \
223 	.has_snoop = true, \
224 	.has_coherent_ggtt = true, \
225 	I9XX_PIPE_OFFSETS, \
226 	I9XX_CURSOR_OFFSETS, \
227 	I9XX_COLORS, \
228 	GEN_DEFAULT_PAGE_SIZES, \
229 	GEN_DEFAULT_REGIONS
230 
231 static const struct intel_device_info i915g_info = {
232 	GEN3_FEATURES,
233 	PLATFORM(INTEL_I915G),
234 	.has_coherent_ggtt = false,
235 	.display.cursor_needs_physical = 1,
236 	.display.has_overlay = 1,
237 	.display.overlay_needs_physical = 1,
238 	.hws_needs_physical = 1,
239 	.unfenced_needs_alignment = 1,
240 };
241 
242 static const struct intel_device_info i915gm_info = {
243 	GEN3_FEATURES,
244 	PLATFORM(INTEL_I915GM),
245 	.is_mobile = 1,
246 	.display.cursor_needs_physical = 1,
247 	.display.has_overlay = 1,
248 	.display.overlay_needs_physical = 1,
249 	.display.supports_tv = 1,
250 	.display.has_fbc = 1,
251 	.hws_needs_physical = 1,
252 	.unfenced_needs_alignment = 1,
253 };
254 
255 static const struct intel_device_info i945g_info = {
256 	GEN3_FEATURES,
257 	PLATFORM(INTEL_I945G),
258 	.display.has_hotplug = 1,
259 	.display.cursor_needs_physical = 1,
260 	.display.has_overlay = 1,
261 	.display.overlay_needs_physical = 1,
262 	.hws_needs_physical = 1,
263 	.unfenced_needs_alignment = 1,
264 };
265 
266 static const struct intel_device_info i945gm_info = {
267 	GEN3_FEATURES,
268 	PLATFORM(INTEL_I945GM),
269 	.is_mobile = 1,
270 	.display.has_hotplug = 1,
271 	.display.cursor_needs_physical = 1,
272 	.display.has_overlay = 1,
273 	.display.overlay_needs_physical = 1,
274 	.display.supports_tv = 1,
275 	.display.has_fbc = 1,
276 	.hws_needs_physical = 1,
277 	.unfenced_needs_alignment = 1,
278 };
279 
280 static const struct intel_device_info g33_info = {
281 	GEN3_FEATURES,
282 	PLATFORM(INTEL_G33),
283 	.display.has_hotplug = 1,
284 	.display.has_overlay = 1,
285 };
286 
287 static const struct intel_device_info pnv_g_info = {
288 	GEN3_FEATURES,
289 	PLATFORM(INTEL_PINEVIEW),
290 	.display.has_hotplug = 1,
291 	.display.has_overlay = 1,
292 };
293 
294 static const struct intel_device_info pnv_m_info = {
295 	GEN3_FEATURES,
296 	PLATFORM(INTEL_PINEVIEW),
297 	.is_mobile = 1,
298 	.display.has_hotplug = 1,
299 	.display.has_overlay = 1,
300 };
301 
302 #define GEN4_FEATURES \
303 	GEN(4), \
304 	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
305 	.display.has_hotplug = 1, \
306 	.display.has_gmch = 1, \
307 	.gpu_reset_clobbers_display = true, \
308 	.engine_mask = BIT(RCS0), \
309 	.has_snoop = true, \
310 	.has_coherent_ggtt = true, \
311 	I9XX_PIPE_OFFSETS, \
312 	I9XX_CURSOR_OFFSETS, \
313 	I965_COLORS, \
314 	GEN_DEFAULT_PAGE_SIZES, \
315 	GEN_DEFAULT_REGIONS
316 
317 static const struct intel_device_info i965g_info = {
318 	GEN4_FEATURES,
319 	PLATFORM(INTEL_I965G),
320 	.display.has_overlay = 1,
321 	.hws_needs_physical = 1,
322 	.has_snoop = false,
323 };
324 
325 static const struct intel_device_info i965gm_info = {
326 	GEN4_FEATURES,
327 	PLATFORM(INTEL_I965GM),
328 	.is_mobile = 1,
329 	.display.has_fbc = 1,
330 	.display.has_overlay = 1,
331 	.display.supports_tv = 1,
332 	.hws_needs_physical = 1,
333 	.has_snoop = false,
334 };
335 
336 static const struct intel_device_info g45_info = {
337 	GEN4_FEATURES,
338 	PLATFORM(INTEL_G45),
339 	.engine_mask = BIT(RCS0) | BIT(VCS0),
340 	.gpu_reset_clobbers_display = false,
341 };
342 
343 static const struct intel_device_info gm45_info = {
344 	GEN4_FEATURES,
345 	PLATFORM(INTEL_GM45),
346 	.is_mobile = 1,
347 	.display.has_fbc = 1,
348 	.display.supports_tv = 1,
349 	.engine_mask = BIT(RCS0) | BIT(VCS0),
350 	.gpu_reset_clobbers_display = false,
351 };
352 
353 #define GEN5_FEATURES \
354 	GEN(5), \
355 	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
356 	.display.has_hotplug = 1, \
357 	.engine_mask = BIT(RCS0) | BIT(VCS0), \
358 	.has_snoop = true, \
359 	.has_coherent_ggtt = true, \
360 	/* ilk does support rc6, but we do not implement [power] contexts */ \
361 	.has_rc6 = 0, \
362 	I9XX_PIPE_OFFSETS, \
363 	I9XX_CURSOR_OFFSETS, \
364 	ILK_COLORS, \
365 	GEN_DEFAULT_PAGE_SIZES, \
366 	GEN_DEFAULT_REGIONS
367 
368 static const struct intel_device_info ilk_d_info = {
369 	GEN5_FEATURES,
370 	PLATFORM(INTEL_IRONLAKE),
371 };
372 
373 static const struct intel_device_info ilk_m_info = {
374 	GEN5_FEATURES,
375 	PLATFORM(INTEL_IRONLAKE),
376 	.is_mobile = 1,
377 	.display.has_fbc = 1,
378 };
379 
380 #define GEN6_FEATURES \
381 	GEN(6), \
382 	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
383 	.display.has_hotplug = 1, \
384 	.display.has_fbc = 1, \
385 	.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
386 	.has_coherent_ggtt = true, \
387 	.has_llc = 1, \
388 	.has_rc6 = 1, \
389 	.has_rc6p = 1, \
390 	.has_rps = true, \
391 	.ppgtt_type = INTEL_PPGTT_ALIASING, \
392 	.ppgtt_size = 31, \
393 	I9XX_PIPE_OFFSETS, \
394 	I9XX_CURSOR_OFFSETS, \
395 	ILK_COLORS, \
396 	GEN_DEFAULT_PAGE_SIZES, \
397 	GEN_DEFAULT_REGIONS
398 
399 #define SNB_D_PLATFORM \
400 	GEN6_FEATURES, \
401 	PLATFORM(INTEL_SANDYBRIDGE)
402 
403 static const struct intel_device_info snb_d_gt1_info = {
404 	SNB_D_PLATFORM,
405 	.gt = 1,
406 };
407 
408 static const struct intel_device_info snb_d_gt2_info = {
409 	SNB_D_PLATFORM,
410 	.gt = 2,
411 };
412 
413 #define SNB_M_PLATFORM \
414 	GEN6_FEATURES, \
415 	PLATFORM(INTEL_SANDYBRIDGE), \
416 	.is_mobile = 1
417 
418 
419 static const struct intel_device_info snb_m_gt1_info = {
420 	SNB_M_PLATFORM,
421 	.gt = 1,
422 };
423 
424 static const struct intel_device_info snb_m_gt2_info = {
425 	SNB_M_PLATFORM,
426 	.gt = 2,
427 };
428 
429 #define GEN7_FEATURES  \
430 	GEN(7), \
431 	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C), \
432 	.display.has_hotplug = 1, \
433 	.display.has_fbc = 1, \
434 	.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
435 	.has_coherent_ggtt = true, \
436 	.has_llc = 1, \
437 	.has_rc6 = 1, \
438 	.has_rc6p = 1, \
439 	.has_rps = true, \
440 	.ppgtt_type = INTEL_PPGTT_ALIASING, \
441 	.ppgtt_size = 31, \
442 	IVB_PIPE_OFFSETS, \
443 	IVB_CURSOR_OFFSETS, \
444 	IVB_COLORS, \
445 	GEN_DEFAULT_PAGE_SIZES, \
446 	GEN_DEFAULT_REGIONS
447 
448 #define IVB_D_PLATFORM \
449 	GEN7_FEATURES, \
450 	PLATFORM(INTEL_IVYBRIDGE), \
451 	.has_l3_dpf = 1
452 
453 static const struct intel_device_info ivb_d_gt1_info = {
454 	IVB_D_PLATFORM,
455 	.gt = 1,
456 };
457 
458 static const struct intel_device_info ivb_d_gt2_info = {
459 	IVB_D_PLATFORM,
460 	.gt = 2,
461 };
462 
463 #define IVB_M_PLATFORM \
464 	GEN7_FEATURES, \
465 	PLATFORM(INTEL_IVYBRIDGE), \
466 	.is_mobile = 1, \
467 	.has_l3_dpf = 1
468 
469 static const struct intel_device_info ivb_m_gt1_info = {
470 	IVB_M_PLATFORM,
471 	.gt = 1,
472 };
473 
474 static const struct intel_device_info ivb_m_gt2_info = {
475 	IVB_M_PLATFORM,
476 	.gt = 2,
477 };
478 
479 static const struct intel_device_info ivb_q_info = {
480 	GEN7_FEATURES,
481 	PLATFORM(INTEL_IVYBRIDGE),
482 	.gt = 2,
483 	.pipe_mask = 0, /* legal, last one wins */
484 	.has_l3_dpf = 1,
485 };
486 
487 static const struct intel_device_info vlv_info = {
488 	PLATFORM(INTEL_VALLEYVIEW),
489 	GEN(7),
490 	.is_lp = 1,
491 	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B),
492 	.has_runtime_pm = 1,
493 	.has_rc6 = 1,
494 	.has_rps = true,
495 	.display.has_gmch = 1,
496 	.display.has_hotplug = 1,
497 	.ppgtt_type = INTEL_PPGTT_ALIASING,
498 	.ppgtt_size = 31,
499 	.has_snoop = true,
500 	.has_coherent_ggtt = false,
501 	.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0),
502 	.display_mmio_offset = VLV_DISPLAY_BASE,
503 	I9XX_PIPE_OFFSETS,
504 	I9XX_CURSOR_OFFSETS,
505 	I965_COLORS,
506 	GEN_DEFAULT_PAGE_SIZES,
507 	GEN_DEFAULT_REGIONS,
508 };
509 
510 #define G75_FEATURES  \
511 	GEN7_FEATURES, \
512 	.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
513 	.display.has_ddi = 1, \
514 	.has_fpga_dbg = 1, \
515 	.display.has_psr = 1, \
516 	.display.has_dp_mst = 1, \
517 	.has_rc6p = 0 /* RC6p removed-by HSW */, \
518 	HSW_PIPE_OFFSETS, \
519 	.has_runtime_pm = 1
520 
521 #define HSW_PLATFORM \
522 	G75_FEATURES, \
523 	PLATFORM(INTEL_HASWELL), \
524 	.has_l3_dpf = 1
525 
526 static const struct intel_device_info hsw_gt1_info = {
527 	HSW_PLATFORM,
528 	.gt = 1,
529 };
530 
531 static const struct intel_device_info hsw_gt2_info = {
532 	HSW_PLATFORM,
533 	.gt = 2,
534 };
535 
536 static const struct intel_device_info hsw_gt3_info = {
537 	HSW_PLATFORM,
538 	.gt = 3,
539 };
540 
541 #define GEN8_FEATURES \
542 	G75_FEATURES, \
543 	GEN(8), \
544 	.has_logical_ring_contexts = 1, \
545 	.ppgtt_type = INTEL_PPGTT_FULL, \
546 	.ppgtt_size = 48, \
547 	.has_64bit_reloc = 1, \
548 	.has_reset_engine = 1
549 
550 #define BDW_PLATFORM \
551 	GEN8_FEATURES, \
552 	PLATFORM(INTEL_BROADWELL)
553 
554 static const struct intel_device_info bdw_gt1_info = {
555 	BDW_PLATFORM,
556 	.gt = 1,
557 };
558 
559 static const struct intel_device_info bdw_gt2_info = {
560 	BDW_PLATFORM,
561 	.gt = 2,
562 };
563 
564 static const struct intel_device_info bdw_rsvd_info = {
565 	BDW_PLATFORM,
566 	.gt = 3,
567 	/* According to the device ID those devices are GT3, they were
568 	 * previously treated as not GT3, keep it like that.
569 	 */
570 };
571 
572 static const struct intel_device_info bdw_gt3_info = {
573 	BDW_PLATFORM,
574 	.gt = 3,
575 	.engine_mask =
576 		BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
577 };
578 
579 static const struct intel_device_info chv_info = {
580 	PLATFORM(INTEL_CHERRYVIEW),
581 	GEN(8),
582 	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C),
583 	.display.has_hotplug = 1,
584 	.is_lp = 1,
585 	.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0),
586 	.has_64bit_reloc = 1,
587 	.has_runtime_pm = 1,
588 	.has_rc6 = 1,
589 	.has_rps = true,
590 	.has_logical_ring_contexts = 1,
591 	.display.has_gmch = 1,
592 	.ppgtt_type = INTEL_PPGTT_ALIASING,
593 	.ppgtt_size = 32,
594 	.has_reset_engine = 1,
595 	.has_snoop = true,
596 	.has_coherent_ggtt = false,
597 	.display_mmio_offset = VLV_DISPLAY_BASE,
598 	CHV_PIPE_OFFSETS,
599 	CHV_CURSOR_OFFSETS,
600 	CHV_COLORS,
601 	GEN_DEFAULT_PAGE_SIZES,
602 	GEN_DEFAULT_REGIONS,
603 };
604 
605 #define GEN9_DEFAULT_PAGE_SIZES \
606 	.page_sizes = I915_GTT_PAGE_SIZE_4K | \
607 		      I915_GTT_PAGE_SIZE_64K
608 
609 #define GEN9_FEATURES \
610 	GEN8_FEATURES, \
611 	GEN(9), \
612 	GEN9_DEFAULT_PAGE_SIZES, \
613 	.has_logical_ring_preemption = 1, \
614 	.display.has_csr = 1, \
615 	.has_gt_uc = 1, \
616 	.display.has_hdcp = 1, \
617 	.display.has_ipc = 1, \
618 	.ddb_size = 896, \
619 	.num_supported_dbuf_slices = 1
620 
621 #define SKL_PLATFORM \
622 	GEN9_FEATURES, \
623 	PLATFORM(INTEL_SKYLAKE)
624 
625 static const struct intel_device_info skl_gt1_info = {
626 	SKL_PLATFORM,
627 	.gt = 1,
628 };
629 
630 static const struct intel_device_info skl_gt2_info = {
631 	SKL_PLATFORM,
632 	.gt = 2,
633 };
634 
635 #define SKL_GT3_PLUS_PLATFORM \
636 	SKL_PLATFORM, \
637 	.engine_mask = \
638 		BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1)
639 
640 
641 static const struct intel_device_info skl_gt3_info = {
642 	SKL_GT3_PLUS_PLATFORM,
643 	.gt = 3,
644 };
645 
646 static const struct intel_device_info skl_gt4_info = {
647 	SKL_GT3_PLUS_PLATFORM,
648 	.gt = 4,
649 };
650 
651 #define GEN9_LP_FEATURES \
652 	GEN(9), \
653 	.is_lp = 1, \
654 	.num_supported_dbuf_slices = 1, \
655 	.display.has_hotplug = 1, \
656 	.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
657 	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C), \
658 	.has_64bit_reloc = 1, \
659 	.display.has_ddi = 1, \
660 	.has_fpga_dbg = 1, \
661 	.display.has_fbc = 1, \
662 	.display.has_hdcp = 1, \
663 	.display.has_psr = 1, \
664 	.has_runtime_pm = 1, \
665 	.display.has_csr = 1, \
666 	.has_rc6 = 1, \
667 	.has_rps = true, \
668 	.display.has_dp_mst = 1, \
669 	.has_logical_ring_contexts = 1, \
670 	.has_logical_ring_preemption = 1, \
671 	.has_gt_uc = 1, \
672 	.ppgtt_type = INTEL_PPGTT_FULL, \
673 	.ppgtt_size = 48, \
674 	.has_reset_engine = 1, \
675 	.has_snoop = true, \
676 	.has_coherent_ggtt = false, \
677 	.display.has_ipc = 1, \
678 	HSW_PIPE_OFFSETS, \
679 	IVB_CURSOR_OFFSETS, \
680 	IVB_COLORS, \
681 	GEN9_DEFAULT_PAGE_SIZES, \
682 	GEN_DEFAULT_REGIONS
683 
684 static const struct intel_device_info bxt_info = {
685 	GEN9_LP_FEATURES,
686 	PLATFORM(INTEL_BROXTON),
687 	.ddb_size = 512,
688 };
689 
690 static const struct intel_device_info glk_info = {
691 	GEN9_LP_FEATURES,
692 	PLATFORM(INTEL_GEMINILAKE),
693 	.ddb_size = 1024,
694 	GLK_COLORS,
695 };
696 
697 #define KBL_PLATFORM \
698 	GEN9_FEATURES, \
699 	PLATFORM(INTEL_KABYLAKE)
700 
701 static const struct intel_device_info kbl_gt1_info = {
702 	KBL_PLATFORM,
703 	.gt = 1,
704 };
705 
706 static const struct intel_device_info kbl_gt2_info = {
707 	KBL_PLATFORM,
708 	.gt = 2,
709 };
710 
711 static const struct intel_device_info kbl_gt3_info = {
712 	KBL_PLATFORM,
713 	.gt = 3,
714 	.engine_mask =
715 		BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
716 };
717 
718 #define CFL_PLATFORM \
719 	GEN9_FEATURES, \
720 	PLATFORM(INTEL_COFFEELAKE)
721 
722 static const struct intel_device_info cfl_gt1_info = {
723 	CFL_PLATFORM,
724 	.gt = 1,
725 };
726 
727 static const struct intel_device_info cfl_gt2_info = {
728 	CFL_PLATFORM,
729 	.gt = 2,
730 };
731 
732 static const struct intel_device_info cfl_gt3_info = {
733 	CFL_PLATFORM,
734 	.gt = 3,
735 	.engine_mask =
736 		BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
737 };
738 
739 #define GEN10_FEATURES \
740 	GEN9_FEATURES, \
741 	GEN(10), \
742 	.ddb_size = 1024, \
743 	.display.has_dsc = 1, \
744 	.has_coherent_ggtt = false, \
745 	GLK_COLORS
746 
747 static const struct intel_device_info cnl_info = {
748 	GEN10_FEATURES,
749 	PLATFORM(INTEL_CANNONLAKE),
750 	.gt = 2,
751 };
752 
753 #define GEN11_DEFAULT_PAGE_SIZES \
754 	.page_sizes = I915_GTT_PAGE_SIZE_4K | \
755 		      I915_GTT_PAGE_SIZE_64K | \
756 		      I915_GTT_PAGE_SIZE_2M
757 
758 #define GEN11_FEATURES \
759 	GEN10_FEATURES, \
760 	GEN11_DEFAULT_PAGE_SIZES, \
761 	.pipe_offsets = { \
762 		[TRANSCODER_A] = PIPE_A_OFFSET, \
763 		[TRANSCODER_B] = PIPE_B_OFFSET, \
764 		[TRANSCODER_C] = PIPE_C_OFFSET, \
765 		[TRANSCODER_EDP] = PIPE_EDP_OFFSET, \
766 		[TRANSCODER_DSI_0] = PIPE_DSI0_OFFSET, \
767 		[TRANSCODER_DSI_1] = PIPE_DSI1_OFFSET, \
768 	}, \
769 	.trans_offsets = { \
770 		[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
771 		[TRANSCODER_B] = TRANSCODER_B_OFFSET, \
772 		[TRANSCODER_C] = TRANSCODER_C_OFFSET, \
773 		[TRANSCODER_EDP] = TRANSCODER_EDP_OFFSET, \
774 		[TRANSCODER_DSI_0] = TRANSCODER_DSI0_OFFSET, \
775 		[TRANSCODER_DSI_1] = TRANSCODER_DSI1_OFFSET, \
776 	}, \
777 	GEN(11), \
778 	.ddb_size = 2048, \
779 	.num_supported_dbuf_slices = 2, \
780 	.has_logical_ring_elsq = 1, \
781 	.color = { .degamma_lut_size = 33, .gamma_lut_size = 262145 }
782 
783 static const struct intel_device_info icl_info = {
784 	GEN11_FEATURES,
785 	PLATFORM(INTEL_ICELAKE),
786 	.engine_mask =
787 		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
788 };
789 
790 static const struct intel_device_info ehl_info = {
791 	GEN11_FEATURES,
792 	PLATFORM(INTEL_ELKHARTLAKE),
793 	.require_force_probe = 1,
794 	.engine_mask = BIT(RCS0) | BIT(BCS0) | BIT(VCS0) | BIT(VECS0),
795 	.ppgtt_size = 36,
796 };
797 
798 #define GEN12_FEATURES \
799 	GEN11_FEATURES, \
800 	GEN(12), \
801 	.pipe_offsets = { \
802 		[TRANSCODER_A] = PIPE_A_OFFSET, \
803 		[TRANSCODER_B] = PIPE_B_OFFSET, \
804 		[TRANSCODER_C] = PIPE_C_OFFSET, \
805 		[TRANSCODER_D] = PIPE_D_OFFSET, \
806 		[TRANSCODER_DSI_0] = PIPE_DSI0_OFFSET, \
807 		[TRANSCODER_DSI_1] = PIPE_DSI1_OFFSET, \
808 	}, \
809 	.trans_offsets = { \
810 		[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
811 		[TRANSCODER_B] = TRANSCODER_B_OFFSET, \
812 		[TRANSCODER_C] = TRANSCODER_C_OFFSET, \
813 		[TRANSCODER_D] = TRANSCODER_D_OFFSET, \
814 		[TRANSCODER_DSI_0] = TRANSCODER_DSI0_OFFSET, \
815 		[TRANSCODER_DSI_1] = TRANSCODER_DSI1_OFFSET, \
816 	}, \
817 	TGL_CURSOR_OFFSETS, \
818 	.has_global_mocs = 1, \
819 	.display.has_dsb = 1
820 
821 static const struct intel_device_info tgl_info = {
822 	GEN12_FEATURES,
823 	PLATFORM(INTEL_TIGERLAKE),
824 	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D),
825 	.require_force_probe = 1,
826 	.display.has_modular_fia = 1,
827 	.engine_mask =
828 		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
829 };
830 
831 #define GEN12_DGFX_FEATURES \
832 	GEN12_FEATURES, \
833 	.is_dgfx = 1
834 
835 #undef GEN
836 #undef PLATFORM
837 
838 /*
839  * Make sure any device matches here are from most specific to most
840  * general.  For example, since the Quanta match is based on the subsystem
841  * and subvendor IDs, we need it to come before the more general IVB
842  * PCI ID matches, otherwise we'll use the wrong info struct above.
843  */
844 static const struct pci_device_id pciidlist[] = {
845 	INTEL_I830_IDS(&i830_info),
846 	INTEL_I845G_IDS(&i845g_info),
847 	INTEL_I85X_IDS(&i85x_info),
848 	INTEL_I865G_IDS(&i865g_info),
849 	INTEL_I915G_IDS(&i915g_info),
850 	INTEL_I915GM_IDS(&i915gm_info),
851 	INTEL_I945G_IDS(&i945g_info),
852 	INTEL_I945GM_IDS(&i945gm_info),
853 	INTEL_I965G_IDS(&i965g_info),
854 	INTEL_G33_IDS(&g33_info),
855 	INTEL_I965GM_IDS(&i965gm_info),
856 	INTEL_GM45_IDS(&gm45_info),
857 	INTEL_G45_IDS(&g45_info),
858 	INTEL_PINEVIEW_G_IDS(&pnv_g_info),
859 	INTEL_PINEVIEW_M_IDS(&pnv_m_info),
860 	INTEL_IRONLAKE_D_IDS(&ilk_d_info),
861 	INTEL_IRONLAKE_M_IDS(&ilk_m_info),
862 	INTEL_SNB_D_GT1_IDS(&snb_d_gt1_info),
863 	INTEL_SNB_D_GT2_IDS(&snb_d_gt2_info),
864 	INTEL_SNB_M_GT1_IDS(&snb_m_gt1_info),
865 	INTEL_SNB_M_GT2_IDS(&snb_m_gt2_info),
866 	INTEL_IVB_Q_IDS(&ivb_q_info), /* must be first IVB */
867 	INTEL_IVB_M_GT1_IDS(&ivb_m_gt1_info),
868 	INTEL_IVB_M_GT2_IDS(&ivb_m_gt2_info),
869 	INTEL_IVB_D_GT1_IDS(&ivb_d_gt1_info),
870 	INTEL_IVB_D_GT2_IDS(&ivb_d_gt2_info),
871 	INTEL_HSW_GT1_IDS(&hsw_gt1_info),
872 	INTEL_HSW_GT2_IDS(&hsw_gt2_info),
873 	INTEL_HSW_GT3_IDS(&hsw_gt3_info),
874 	INTEL_VLV_IDS(&vlv_info),
875 	INTEL_BDW_GT1_IDS(&bdw_gt1_info),
876 	INTEL_BDW_GT2_IDS(&bdw_gt2_info),
877 	INTEL_BDW_GT3_IDS(&bdw_gt3_info),
878 	INTEL_BDW_RSVD_IDS(&bdw_rsvd_info),
879 	INTEL_CHV_IDS(&chv_info),
880 	INTEL_SKL_GT1_IDS(&skl_gt1_info),
881 	INTEL_SKL_GT2_IDS(&skl_gt2_info),
882 	INTEL_SKL_GT3_IDS(&skl_gt3_info),
883 	INTEL_SKL_GT4_IDS(&skl_gt4_info),
884 	INTEL_BXT_IDS(&bxt_info),
885 	INTEL_GLK_IDS(&glk_info),
886 	INTEL_KBL_GT1_IDS(&kbl_gt1_info),
887 	INTEL_KBL_GT2_IDS(&kbl_gt2_info),
888 	INTEL_KBL_GT3_IDS(&kbl_gt3_info),
889 	INTEL_KBL_GT4_IDS(&kbl_gt3_info),
890 	INTEL_AML_KBL_GT2_IDS(&kbl_gt2_info),
891 	INTEL_CFL_S_GT1_IDS(&cfl_gt1_info),
892 	INTEL_CFL_S_GT2_IDS(&cfl_gt2_info),
893 	INTEL_CFL_H_GT1_IDS(&cfl_gt1_info),
894 	INTEL_CFL_H_GT2_IDS(&cfl_gt2_info),
895 	INTEL_CFL_U_GT2_IDS(&cfl_gt2_info),
896 	INTEL_CFL_U_GT3_IDS(&cfl_gt3_info),
897 	INTEL_WHL_U_GT1_IDS(&cfl_gt1_info),
898 	INTEL_WHL_U_GT2_IDS(&cfl_gt2_info),
899 	INTEL_AML_CFL_GT2_IDS(&cfl_gt2_info),
900 	INTEL_WHL_U_GT3_IDS(&cfl_gt3_info),
901 	INTEL_CML_GT1_IDS(&cfl_gt1_info),
902 	INTEL_CML_GT2_IDS(&cfl_gt2_info),
903 	INTEL_CML_U_GT1_IDS(&cfl_gt1_info),
904 	INTEL_CML_U_GT2_IDS(&cfl_gt2_info),
905 	INTEL_CNL_IDS(&cnl_info),
906 	INTEL_ICL_11_IDS(&icl_info),
907 	INTEL_EHL_IDS(&ehl_info),
908 	INTEL_TGL_12_IDS(&tgl_info),
909 	{0, 0, 0}
910 };
911 MODULE_DEVICE_TABLE(pci, pciidlist);
912 
913 static void i915_pci_remove(struct pci_dev *pdev)
914 {
915 	struct drm_i915_private *i915;
916 
917 	i915 = pci_get_drvdata(pdev);
918 	if (!i915) /* driver load aborted, nothing to cleanup */
919 		return;
920 
921 	i915_driver_remove(i915);
922 	pci_set_drvdata(pdev, NULL);
923 
924 	drm_dev_put(&i915->drm);
925 }
926 
927 /* is device_id present in comma separated list of ids */
928 static bool force_probe(u16 device_id, const char *devices)
929 {
930 	char *s, *p, *tok;
931 	bool ret;
932 
933 	if (!devices || !*devices)
934 		return false;
935 
936 	/* match everything */
937 	if (strcmp(devices, "*") == 0)
938 		return true;
939 
940 	s = kstrdup(devices, GFP_KERNEL);
941 	if (!s)
942 		return false;
943 
944 	for (p = s, ret = false; (tok = strsep(&p, ",")) != NULL; ) {
945 		u16 val;
946 
947 		if (kstrtou16(tok, 16, &val) == 0 && val == device_id) {
948 			ret = true;
949 			break;
950 		}
951 	}
952 
953 	kfree(s);
954 
955 	return ret;
956 }
957 
958 static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
959 {
960 	struct intel_device_info *intel_info =
961 		(struct intel_device_info *) ent->driver_data;
962 	int err;
963 
964 	if (intel_info->require_force_probe &&
965 	    !force_probe(pdev->device, i915_modparams.force_probe)) {
966 		dev_info(&pdev->dev,
967 			 "Your graphics device %04x is not properly supported by the driver in this\n"
968 			 "kernel version. To force driver probe anyway, use i915.force_probe=%04x\n"
969 			 "module parameter or CONFIG_DRM_I915_FORCE_PROBE=%04x configuration option,\n"
970 			 "or (recommended) check for kernel updates.\n",
971 			 pdev->device, pdev->device, pdev->device);
972 		return -ENODEV;
973 	}
974 
975 	/* Only bind to function 0 of the device. Early generations
976 	 * used function 1 as a placeholder for multi-head. This causes
977 	 * us confusion instead, especially on the systems where both
978 	 * functions have the same PCI-ID!
979 	 */
980 	if (PCI_FUNC(pdev->devfn))
981 		return -ENODEV;
982 
983 	/*
984 	 * apple-gmux is needed on dual GPU MacBook Pro
985 	 * to probe the panel if we're the inactive GPU.
986 	 */
987 	if (vga_switcheroo_client_probe_defer(pdev))
988 		return -EPROBE_DEFER;
989 
990 	err = i915_driver_probe(pdev, ent);
991 	if (err)
992 		return err;
993 
994 	if (i915_inject_probe_failure(pci_get_drvdata(pdev))) {
995 		i915_pci_remove(pdev);
996 		return -ENODEV;
997 	}
998 
999 	err = i915_live_selftests(pdev);
1000 	if (err) {
1001 		i915_pci_remove(pdev);
1002 		return err > 0 ? -ENOTTY : err;
1003 	}
1004 
1005 	err = i915_perf_selftests(pdev);
1006 	if (err) {
1007 		i915_pci_remove(pdev);
1008 		return err > 0 ? -ENOTTY : err;
1009 	}
1010 
1011 	return 0;
1012 }
1013 
1014 static struct pci_driver i915_pci_driver = {
1015 	.name = DRIVER_NAME,
1016 	.id_table = pciidlist,
1017 	.probe = i915_pci_probe,
1018 	.remove = i915_pci_remove,
1019 	.driver.pm = &i915_pm_ops,
1020 };
1021 
1022 static int __init i915_init(void)
1023 {
1024 	bool use_kms = true;
1025 	int err;
1026 
1027 	err = i915_globals_init();
1028 	if (err)
1029 		return err;
1030 
1031 	err = i915_mock_selftests();
1032 	if (err)
1033 		return err > 0 ? 0 : err;
1034 
1035 	/*
1036 	 * Enable KMS by default, unless explicitly overriden by
1037 	 * either the i915.modeset prarameter or by the
1038 	 * vga_text_mode_force boot option.
1039 	 */
1040 
1041 	if (i915_modparams.modeset == 0)
1042 		use_kms = false;
1043 
1044 	if (vgacon_text_force() && i915_modparams.modeset == -1)
1045 		use_kms = false;
1046 
1047 	if (!use_kms) {
1048 		/* Silently fail loading to not upset userspace. */
1049 		DRM_DEBUG_DRIVER("KMS disabled.\n");
1050 		return 0;
1051 	}
1052 
1053 	err = pci_register_driver(&i915_pci_driver);
1054 	if (err)
1055 		return err;
1056 
1057 	i915_perf_sysctl_register();
1058 	return 0;
1059 }
1060 
1061 static void __exit i915_exit(void)
1062 {
1063 	if (!i915_pci_driver.driver.owner)
1064 		return;
1065 
1066 	i915_perf_sysctl_unregister();
1067 	pci_unregister_driver(&i915_pci_driver);
1068 	i915_globals_exit();
1069 }
1070 
1071 module_init(i915_init);
1072 module_exit(i915_exit);
1073 
1074 MODULE_AUTHOR("Tungsten Graphics, Inc.");
1075 MODULE_AUTHOR("Intel Corporation");
1076 
1077 MODULE_DESCRIPTION(DRIVER_DESC);
1078 MODULE_LICENSE("GPL and additional rights");
1079