xref: /linux/drivers/gpu/drm/i915/i915_pci.c (revision f86fd32d)
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_FULL, \
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_FULL,
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 
620 #define SKL_PLATFORM \
621 	GEN9_FEATURES, \
622 	PLATFORM(INTEL_SKYLAKE)
623 
624 static const struct intel_device_info skl_gt1_info = {
625 	SKL_PLATFORM,
626 	.gt = 1,
627 };
628 
629 static const struct intel_device_info skl_gt2_info = {
630 	SKL_PLATFORM,
631 	.gt = 2,
632 };
633 
634 #define SKL_GT3_PLUS_PLATFORM \
635 	SKL_PLATFORM, \
636 	.engine_mask = \
637 		BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1)
638 
639 
640 static const struct intel_device_info skl_gt3_info = {
641 	SKL_GT3_PLUS_PLATFORM,
642 	.gt = 3,
643 };
644 
645 static const struct intel_device_info skl_gt4_info = {
646 	SKL_GT3_PLUS_PLATFORM,
647 	.gt = 4,
648 };
649 
650 #define GEN9_LP_FEATURES \
651 	GEN(9), \
652 	.is_lp = 1, \
653 	.display.has_hotplug = 1, \
654 	.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
655 	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C), \
656 	.has_64bit_reloc = 1, \
657 	.display.has_ddi = 1, \
658 	.has_fpga_dbg = 1, \
659 	.display.has_fbc = 1, \
660 	.display.has_hdcp = 1, \
661 	.display.has_psr = 1, \
662 	.has_runtime_pm = 1, \
663 	.display.has_csr = 1, \
664 	.has_rc6 = 1, \
665 	.has_rps = true, \
666 	.display.has_dp_mst = 1, \
667 	.has_logical_ring_contexts = 1, \
668 	.has_logical_ring_preemption = 1, \
669 	.has_gt_uc = 1, \
670 	.ppgtt_type = INTEL_PPGTT_FULL, \
671 	.ppgtt_size = 48, \
672 	.has_reset_engine = 1, \
673 	.has_snoop = true, \
674 	.has_coherent_ggtt = false, \
675 	.display.has_ipc = 1, \
676 	HSW_PIPE_OFFSETS, \
677 	IVB_CURSOR_OFFSETS, \
678 	IVB_COLORS, \
679 	GEN9_DEFAULT_PAGE_SIZES, \
680 	GEN_DEFAULT_REGIONS
681 
682 static const struct intel_device_info bxt_info = {
683 	GEN9_LP_FEATURES,
684 	PLATFORM(INTEL_BROXTON),
685 	.ddb_size = 512,
686 };
687 
688 static const struct intel_device_info glk_info = {
689 	GEN9_LP_FEATURES,
690 	PLATFORM(INTEL_GEMINILAKE),
691 	.ddb_size = 1024,
692 	GLK_COLORS,
693 };
694 
695 #define KBL_PLATFORM \
696 	GEN9_FEATURES, \
697 	PLATFORM(INTEL_KABYLAKE)
698 
699 static const struct intel_device_info kbl_gt1_info = {
700 	KBL_PLATFORM,
701 	.gt = 1,
702 };
703 
704 static const struct intel_device_info kbl_gt2_info = {
705 	KBL_PLATFORM,
706 	.gt = 2,
707 };
708 
709 static const struct intel_device_info kbl_gt3_info = {
710 	KBL_PLATFORM,
711 	.gt = 3,
712 	.engine_mask =
713 		BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
714 };
715 
716 #define CFL_PLATFORM \
717 	GEN9_FEATURES, \
718 	PLATFORM(INTEL_COFFEELAKE)
719 
720 static const struct intel_device_info cfl_gt1_info = {
721 	CFL_PLATFORM,
722 	.gt = 1,
723 };
724 
725 static const struct intel_device_info cfl_gt2_info = {
726 	CFL_PLATFORM,
727 	.gt = 2,
728 };
729 
730 static const struct intel_device_info cfl_gt3_info = {
731 	CFL_PLATFORM,
732 	.gt = 3,
733 	.engine_mask =
734 		BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
735 };
736 
737 #define GEN10_FEATURES \
738 	GEN9_FEATURES, \
739 	GEN(10), \
740 	.ddb_size = 1024, \
741 	.display.has_dsc = 1, \
742 	.has_coherent_ggtt = false, \
743 	GLK_COLORS
744 
745 static const struct intel_device_info cnl_info = {
746 	GEN10_FEATURES,
747 	PLATFORM(INTEL_CANNONLAKE),
748 	.gt = 2,
749 };
750 
751 #define GEN11_DEFAULT_PAGE_SIZES \
752 	.page_sizes = I915_GTT_PAGE_SIZE_4K | \
753 		      I915_GTT_PAGE_SIZE_64K | \
754 		      I915_GTT_PAGE_SIZE_2M
755 
756 #define GEN11_FEATURES \
757 	GEN10_FEATURES, \
758 	GEN11_DEFAULT_PAGE_SIZES, \
759 	.pipe_offsets = { \
760 		[TRANSCODER_A] = PIPE_A_OFFSET, \
761 		[TRANSCODER_B] = PIPE_B_OFFSET, \
762 		[TRANSCODER_C] = PIPE_C_OFFSET, \
763 		[TRANSCODER_EDP] = PIPE_EDP_OFFSET, \
764 		[TRANSCODER_DSI_0] = PIPE_DSI0_OFFSET, \
765 		[TRANSCODER_DSI_1] = PIPE_DSI1_OFFSET, \
766 	}, \
767 	.trans_offsets = { \
768 		[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
769 		[TRANSCODER_B] = TRANSCODER_B_OFFSET, \
770 		[TRANSCODER_C] = TRANSCODER_C_OFFSET, \
771 		[TRANSCODER_EDP] = TRANSCODER_EDP_OFFSET, \
772 		[TRANSCODER_DSI_0] = TRANSCODER_DSI0_OFFSET, \
773 		[TRANSCODER_DSI_1] = TRANSCODER_DSI1_OFFSET, \
774 	}, \
775 	GEN(11), \
776 	.ddb_size = 2048, \
777 	.has_logical_ring_elsq = 1, \
778 	.color = { .degamma_lut_size = 33, .gamma_lut_size = 262145 }
779 
780 static const struct intel_device_info icl_info = {
781 	GEN11_FEATURES,
782 	PLATFORM(INTEL_ICELAKE),
783 	.engine_mask =
784 		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
785 };
786 
787 static const struct intel_device_info ehl_info = {
788 	GEN11_FEATURES,
789 	PLATFORM(INTEL_ELKHARTLAKE),
790 	.require_force_probe = 1,
791 	.engine_mask = BIT(RCS0) | BIT(BCS0) | BIT(VCS0) | BIT(VECS0),
792 	.ppgtt_size = 36,
793 };
794 
795 #define GEN12_FEATURES \
796 	GEN11_FEATURES, \
797 	GEN(12), \
798 	.pipe_offsets = { \
799 		[TRANSCODER_A] = PIPE_A_OFFSET, \
800 		[TRANSCODER_B] = PIPE_B_OFFSET, \
801 		[TRANSCODER_C] = PIPE_C_OFFSET, \
802 		[TRANSCODER_D] = PIPE_D_OFFSET, \
803 		[TRANSCODER_DSI_0] = PIPE_DSI0_OFFSET, \
804 		[TRANSCODER_DSI_1] = PIPE_DSI1_OFFSET, \
805 	}, \
806 	.trans_offsets = { \
807 		[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
808 		[TRANSCODER_B] = TRANSCODER_B_OFFSET, \
809 		[TRANSCODER_C] = TRANSCODER_C_OFFSET, \
810 		[TRANSCODER_D] = TRANSCODER_D_OFFSET, \
811 		[TRANSCODER_DSI_0] = TRANSCODER_DSI0_OFFSET, \
812 		[TRANSCODER_DSI_1] = TRANSCODER_DSI1_OFFSET, \
813 	}, \
814 	TGL_CURSOR_OFFSETS, \
815 	.has_global_mocs = 1, \
816 	.display.has_dsb = 1
817 
818 static const struct intel_device_info tgl_info = {
819 	GEN12_FEATURES,
820 	PLATFORM(INTEL_TIGERLAKE),
821 	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D),
822 	.require_force_probe = 1,
823 	.display.has_modular_fia = 1,
824 	.engine_mask =
825 		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
826 	.has_rps = false, /* XXX disabled for debugging */
827 };
828 
829 #define GEN12_DGFX_FEATURES \
830 	GEN12_FEATURES, \
831 	.is_dgfx = 1
832 
833 #undef GEN
834 #undef PLATFORM
835 
836 /*
837  * Make sure any device matches here are from most specific to most
838  * general.  For example, since the Quanta match is based on the subsystem
839  * and subvendor IDs, we need it to come before the more general IVB
840  * PCI ID matches, otherwise we'll use the wrong info struct above.
841  */
842 static const struct pci_device_id pciidlist[] = {
843 	INTEL_I830_IDS(&i830_info),
844 	INTEL_I845G_IDS(&i845g_info),
845 	INTEL_I85X_IDS(&i85x_info),
846 	INTEL_I865G_IDS(&i865g_info),
847 	INTEL_I915G_IDS(&i915g_info),
848 	INTEL_I915GM_IDS(&i915gm_info),
849 	INTEL_I945G_IDS(&i945g_info),
850 	INTEL_I945GM_IDS(&i945gm_info),
851 	INTEL_I965G_IDS(&i965g_info),
852 	INTEL_G33_IDS(&g33_info),
853 	INTEL_I965GM_IDS(&i965gm_info),
854 	INTEL_GM45_IDS(&gm45_info),
855 	INTEL_G45_IDS(&g45_info),
856 	INTEL_PINEVIEW_G_IDS(&pnv_g_info),
857 	INTEL_PINEVIEW_M_IDS(&pnv_m_info),
858 	INTEL_IRONLAKE_D_IDS(&ilk_d_info),
859 	INTEL_IRONLAKE_M_IDS(&ilk_m_info),
860 	INTEL_SNB_D_GT1_IDS(&snb_d_gt1_info),
861 	INTEL_SNB_D_GT2_IDS(&snb_d_gt2_info),
862 	INTEL_SNB_M_GT1_IDS(&snb_m_gt1_info),
863 	INTEL_SNB_M_GT2_IDS(&snb_m_gt2_info),
864 	INTEL_IVB_Q_IDS(&ivb_q_info), /* must be first IVB */
865 	INTEL_IVB_M_GT1_IDS(&ivb_m_gt1_info),
866 	INTEL_IVB_M_GT2_IDS(&ivb_m_gt2_info),
867 	INTEL_IVB_D_GT1_IDS(&ivb_d_gt1_info),
868 	INTEL_IVB_D_GT2_IDS(&ivb_d_gt2_info),
869 	INTEL_HSW_GT1_IDS(&hsw_gt1_info),
870 	INTEL_HSW_GT2_IDS(&hsw_gt2_info),
871 	INTEL_HSW_GT3_IDS(&hsw_gt3_info),
872 	INTEL_VLV_IDS(&vlv_info),
873 	INTEL_BDW_GT1_IDS(&bdw_gt1_info),
874 	INTEL_BDW_GT2_IDS(&bdw_gt2_info),
875 	INTEL_BDW_GT3_IDS(&bdw_gt3_info),
876 	INTEL_BDW_RSVD_IDS(&bdw_rsvd_info),
877 	INTEL_CHV_IDS(&chv_info),
878 	INTEL_SKL_GT1_IDS(&skl_gt1_info),
879 	INTEL_SKL_GT2_IDS(&skl_gt2_info),
880 	INTEL_SKL_GT3_IDS(&skl_gt3_info),
881 	INTEL_SKL_GT4_IDS(&skl_gt4_info),
882 	INTEL_BXT_IDS(&bxt_info),
883 	INTEL_GLK_IDS(&glk_info),
884 	INTEL_KBL_GT1_IDS(&kbl_gt1_info),
885 	INTEL_KBL_GT2_IDS(&kbl_gt2_info),
886 	INTEL_KBL_GT3_IDS(&kbl_gt3_info),
887 	INTEL_KBL_GT4_IDS(&kbl_gt3_info),
888 	INTEL_AML_KBL_GT2_IDS(&kbl_gt2_info),
889 	INTEL_CFL_S_GT1_IDS(&cfl_gt1_info),
890 	INTEL_CFL_S_GT2_IDS(&cfl_gt2_info),
891 	INTEL_CFL_H_GT1_IDS(&cfl_gt1_info),
892 	INTEL_CFL_H_GT2_IDS(&cfl_gt2_info),
893 	INTEL_CFL_U_GT2_IDS(&cfl_gt2_info),
894 	INTEL_CFL_U_GT3_IDS(&cfl_gt3_info),
895 	INTEL_WHL_U_GT1_IDS(&cfl_gt1_info),
896 	INTEL_WHL_U_GT2_IDS(&cfl_gt2_info),
897 	INTEL_AML_CFL_GT2_IDS(&cfl_gt2_info),
898 	INTEL_WHL_U_GT3_IDS(&cfl_gt3_info),
899 	INTEL_CML_GT1_IDS(&cfl_gt1_info),
900 	INTEL_CML_GT2_IDS(&cfl_gt2_info),
901 	INTEL_CML_U_GT1_IDS(&cfl_gt1_info),
902 	INTEL_CML_U_GT2_IDS(&cfl_gt2_info),
903 	INTEL_CNL_IDS(&cnl_info),
904 	INTEL_ICL_11_IDS(&icl_info),
905 	INTEL_EHL_IDS(&ehl_info),
906 	INTEL_TGL_12_IDS(&tgl_info),
907 	{0, 0, 0}
908 };
909 MODULE_DEVICE_TABLE(pci, pciidlist);
910 
911 static void i915_pci_remove(struct pci_dev *pdev)
912 {
913 	struct drm_i915_private *i915;
914 
915 	i915 = pci_get_drvdata(pdev);
916 	if (!i915) /* driver load aborted, nothing to cleanup */
917 		return;
918 
919 	i915_driver_remove(i915);
920 	pci_set_drvdata(pdev, NULL);
921 
922 	drm_dev_put(&i915->drm);
923 }
924 
925 /* is device_id present in comma separated list of ids */
926 static bool force_probe(u16 device_id, const char *devices)
927 {
928 	char *s, *p, *tok;
929 	bool ret;
930 
931 	/* FIXME: transitional */
932 	if (i915_modparams.alpha_support) {
933 		DRM_INFO("i915.alpha_support is deprecated, use i915.force_probe=%04x instead\n",
934 			 device_id);
935 		return true;
936 	}
937 
938 	if (!devices || !*devices)
939 		return false;
940 
941 	/* match everything */
942 	if (strcmp(devices, "*") == 0)
943 		return true;
944 
945 	s = kstrdup(devices, GFP_KERNEL);
946 	if (!s)
947 		return false;
948 
949 	for (p = s, ret = false; (tok = strsep(&p, ",")) != NULL; ) {
950 		u16 val;
951 
952 		if (kstrtou16(tok, 16, &val) == 0 && val == device_id) {
953 			ret = true;
954 			break;
955 		}
956 	}
957 
958 	kfree(s);
959 
960 	return ret;
961 }
962 
963 static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
964 {
965 	struct intel_device_info *intel_info =
966 		(struct intel_device_info *) ent->driver_data;
967 	int err;
968 
969 	if (intel_info->require_force_probe &&
970 	    !force_probe(pdev->device, i915_modparams.force_probe)) {
971 		DRM_INFO("Your graphics device %04x is not properly supported by the driver in this\n"
972 			 "kernel version. To force driver probe anyway, use i915.force_probe=%04x\n"
973 			 "module parameter or CONFIG_DRM_I915_FORCE_PROBE=%04x configuration option,\n"
974 			 "or (recommended) check for kernel updates.\n",
975 			 pdev->device, pdev->device, pdev->device);
976 		return -ENODEV;
977 	}
978 
979 	/* Only bind to function 0 of the device. Early generations
980 	 * used function 1 as a placeholder for multi-head. This causes
981 	 * us confusion instead, especially on the systems where both
982 	 * functions have the same PCI-ID!
983 	 */
984 	if (PCI_FUNC(pdev->devfn))
985 		return -ENODEV;
986 
987 	/*
988 	 * apple-gmux is needed on dual GPU MacBook Pro
989 	 * to probe the panel if we're the inactive GPU.
990 	 */
991 	if (vga_switcheroo_client_probe_defer(pdev))
992 		return -EPROBE_DEFER;
993 
994 	err = i915_driver_probe(pdev, ent);
995 	if (err)
996 		return err;
997 
998 	if (i915_inject_probe_failure(pci_get_drvdata(pdev))) {
999 		i915_pci_remove(pdev);
1000 		return -ENODEV;
1001 	}
1002 
1003 	err = i915_live_selftests(pdev);
1004 	if (err) {
1005 		i915_pci_remove(pdev);
1006 		return err > 0 ? -ENOTTY : err;
1007 	}
1008 
1009 	err = i915_perf_selftests(pdev);
1010 	if (err) {
1011 		i915_pci_remove(pdev);
1012 		return err > 0 ? -ENOTTY : err;
1013 	}
1014 
1015 	return 0;
1016 }
1017 
1018 static struct pci_driver i915_pci_driver = {
1019 	.name = DRIVER_NAME,
1020 	.id_table = pciidlist,
1021 	.probe = i915_pci_probe,
1022 	.remove = i915_pci_remove,
1023 	.driver.pm = &i915_pm_ops,
1024 };
1025 
1026 static int __init i915_init(void)
1027 {
1028 	bool use_kms = true;
1029 	int err;
1030 
1031 	err = i915_globals_init();
1032 	if (err)
1033 		return err;
1034 
1035 	err = i915_mock_selftests();
1036 	if (err)
1037 		return err > 0 ? 0 : err;
1038 
1039 	/*
1040 	 * Enable KMS by default, unless explicitly overriden by
1041 	 * either the i915.modeset prarameter or by the
1042 	 * vga_text_mode_force boot option.
1043 	 */
1044 
1045 	if (i915_modparams.modeset == 0)
1046 		use_kms = false;
1047 
1048 	if (vgacon_text_force() && i915_modparams.modeset == -1)
1049 		use_kms = false;
1050 
1051 	if (!use_kms) {
1052 		/* Silently fail loading to not upset userspace. */
1053 		DRM_DEBUG_DRIVER("KMS disabled.\n");
1054 		return 0;
1055 	}
1056 
1057 	err = pci_register_driver(&i915_pci_driver);
1058 	if (err)
1059 		return err;
1060 
1061 	i915_perf_sysctl_register();
1062 	return 0;
1063 }
1064 
1065 static void __exit i915_exit(void)
1066 {
1067 	if (!i915_pci_driver.driver.owner)
1068 		return;
1069 
1070 	i915_perf_sysctl_unregister();
1071 	pci_unregister_driver(&i915_pci_driver);
1072 	i915_globals_exit();
1073 }
1074 
1075 module_init(i915_init);
1076 module_exit(i915_exit);
1077 
1078 MODULE_AUTHOR("Tungsten Graphics, Inc.");
1079 MODULE_AUTHOR("Intel Corporation");
1080 
1081 MODULE_DESCRIPTION(DRIVER_DESC);
1082 MODULE_LICENSE("GPL and additional rights");
1083