xref: /openbmc/linux/drivers/gpu/drm/i915/i915_pci.c (revision b8d312aa)
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/vgaarb.h>
27 #include <linux/vga_switcheroo.h>
28 
29 #include <drm/drm_drv.h>
30 
31 #include "display/intel_fbdev.h"
32 
33 #include "i915_drv.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 I9XX_COLORS \
122 	.color = { .gamma_lut_size = 256 }
123 #define I965_COLORS \
124 	.color = { .gamma_lut_size = 129, \
125 		   .gamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
126 	}
127 #define ILK_COLORS \
128 	.color = { .gamma_lut_size = 1024 }
129 #define IVB_COLORS \
130 	.color = { .degamma_lut_size = 1024, .gamma_lut_size = 1024 }
131 #define CHV_COLORS \
132 	.color = { .degamma_lut_size = 65, .gamma_lut_size = 257, \
133 		   .degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
134 		   .gamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
135 	}
136 #define GLK_COLORS \
137 	.color = { .degamma_lut_size = 33, .gamma_lut_size = 1024, \
138 		   .degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING | \
139 					DRM_COLOR_LUT_EQUAL_CHANNELS, \
140 	}
141 
142 /* Keep in gen based order, and chronological order within a gen */
143 
144 #define GEN_DEFAULT_PAGE_SIZES \
145 	.page_sizes = I915_GTT_PAGE_SIZE_4K
146 
147 #define I830_FEATURES \
148 	GEN(2), \
149 	.is_mobile = 1, \
150 	.num_pipes = 2, \
151 	.display.has_overlay = 1, \
152 	.display.cursor_needs_physical = 1, \
153 	.display.overlay_needs_physical = 1, \
154 	.display.has_gmch = 1, \
155 	.gpu_reset_clobbers_display = true, \
156 	.hws_needs_physical = 1, \
157 	.unfenced_needs_alignment = 1, \
158 	.engine_mask = BIT(RCS0), \
159 	.has_snoop = true, \
160 	.has_coherent_ggtt = false, \
161 	I9XX_PIPE_OFFSETS, \
162 	I9XX_CURSOR_OFFSETS, \
163 	I9XX_COLORS, \
164 	GEN_DEFAULT_PAGE_SIZES
165 
166 #define I845_FEATURES \
167 	GEN(2), \
168 	.num_pipes = 1, \
169 	.display.has_overlay = 1, \
170 	.display.overlay_needs_physical = 1, \
171 	.display.has_gmch = 1, \
172 	.gpu_reset_clobbers_display = true, \
173 	.hws_needs_physical = 1, \
174 	.unfenced_needs_alignment = 1, \
175 	.engine_mask = BIT(RCS0), \
176 	.has_snoop = true, \
177 	.has_coherent_ggtt = false, \
178 	I845_PIPE_OFFSETS, \
179 	I845_CURSOR_OFFSETS, \
180 	I9XX_COLORS, \
181 	GEN_DEFAULT_PAGE_SIZES
182 
183 static const struct intel_device_info intel_i830_info = {
184 	I830_FEATURES,
185 	PLATFORM(INTEL_I830),
186 };
187 
188 static const struct intel_device_info intel_i845g_info = {
189 	I845_FEATURES,
190 	PLATFORM(INTEL_I845G),
191 };
192 
193 static const struct intel_device_info intel_i85x_info = {
194 	I830_FEATURES,
195 	PLATFORM(INTEL_I85X),
196 	.display.has_fbc = 1,
197 };
198 
199 static const struct intel_device_info intel_i865g_info = {
200 	I845_FEATURES,
201 	PLATFORM(INTEL_I865G),
202 };
203 
204 #define GEN3_FEATURES \
205 	GEN(3), \
206 	.num_pipes = 2, \
207 	.display.has_gmch = 1, \
208 	.gpu_reset_clobbers_display = true, \
209 	.engine_mask = BIT(RCS0), \
210 	.has_snoop = true, \
211 	.has_coherent_ggtt = true, \
212 	I9XX_PIPE_OFFSETS, \
213 	I9XX_CURSOR_OFFSETS, \
214 	I9XX_COLORS, \
215 	GEN_DEFAULT_PAGE_SIZES
216 
217 static const struct intel_device_info intel_i915g_info = {
218 	GEN3_FEATURES,
219 	PLATFORM(INTEL_I915G),
220 	.has_coherent_ggtt = false,
221 	.display.cursor_needs_physical = 1,
222 	.display.has_overlay = 1,
223 	.display.overlay_needs_physical = 1,
224 	.hws_needs_physical = 1,
225 	.unfenced_needs_alignment = 1,
226 };
227 
228 static const struct intel_device_info intel_i915gm_info = {
229 	GEN3_FEATURES,
230 	PLATFORM(INTEL_I915GM),
231 	.is_mobile = 1,
232 	.display.cursor_needs_physical = 1,
233 	.display.has_overlay = 1,
234 	.display.overlay_needs_physical = 1,
235 	.display.supports_tv = 1,
236 	.display.has_fbc = 1,
237 	.hws_needs_physical = 1,
238 	.unfenced_needs_alignment = 1,
239 };
240 
241 static const struct intel_device_info intel_i945g_info = {
242 	GEN3_FEATURES,
243 	PLATFORM(INTEL_I945G),
244 	.display.has_hotplug = 1,
245 	.display.cursor_needs_physical = 1,
246 	.display.has_overlay = 1,
247 	.display.overlay_needs_physical = 1,
248 	.hws_needs_physical = 1,
249 	.unfenced_needs_alignment = 1,
250 };
251 
252 static const struct intel_device_info intel_i945gm_info = {
253 	GEN3_FEATURES,
254 	PLATFORM(INTEL_I945GM),
255 	.is_mobile = 1,
256 	.display.has_hotplug = 1,
257 	.display.cursor_needs_physical = 1,
258 	.display.has_overlay = 1,
259 	.display.overlay_needs_physical = 1,
260 	.display.supports_tv = 1,
261 	.display.has_fbc = 1,
262 	.hws_needs_physical = 1,
263 	.unfenced_needs_alignment = 1,
264 };
265 
266 static const struct intel_device_info intel_g33_info = {
267 	GEN3_FEATURES,
268 	PLATFORM(INTEL_G33),
269 	.display.has_hotplug = 1,
270 	.display.has_overlay = 1,
271 };
272 
273 static const struct intel_device_info intel_pineview_g_info = {
274 	GEN3_FEATURES,
275 	PLATFORM(INTEL_PINEVIEW),
276 	.display.has_hotplug = 1,
277 	.display.has_overlay = 1,
278 };
279 
280 static const struct intel_device_info intel_pineview_m_info = {
281 	GEN3_FEATURES,
282 	PLATFORM(INTEL_PINEVIEW),
283 	.is_mobile = 1,
284 	.display.has_hotplug = 1,
285 	.display.has_overlay = 1,
286 };
287 
288 #define GEN4_FEATURES \
289 	GEN(4), \
290 	.num_pipes = 2, \
291 	.display.has_hotplug = 1, \
292 	.display.has_gmch = 1, \
293 	.gpu_reset_clobbers_display = true, \
294 	.engine_mask = BIT(RCS0), \
295 	.has_snoop = true, \
296 	.has_coherent_ggtt = true, \
297 	I9XX_PIPE_OFFSETS, \
298 	I9XX_CURSOR_OFFSETS, \
299 	I965_COLORS, \
300 	GEN_DEFAULT_PAGE_SIZES
301 
302 static const struct intel_device_info intel_i965g_info = {
303 	GEN4_FEATURES,
304 	PLATFORM(INTEL_I965G),
305 	.display.has_overlay = 1,
306 	.hws_needs_physical = 1,
307 	.has_snoop = false,
308 };
309 
310 static const struct intel_device_info intel_i965gm_info = {
311 	GEN4_FEATURES,
312 	PLATFORM(INTEL_I965GM),
313 	.is_mobile = 1,
314 	.display.has_fbc = 1,
315 	.display.has_overlay = 1,
316 	.display.supports_tv = 1,
317 	.hws_needs_physical = 1,
318 	.has_snoop = false,
319 };
320 
321 static const struct intel_device_info intel_g45_info = {
322 	GEN4_FEATURES,
323 	PLATFORM(INTEL_G45),
324 	.engine_mask = BIT(RCS0) | BIT(VCS0),
325 	.gpu_reset_clobbers_display = false,
326 };
327 
328 static const struct intel_device_info intel_gm45_info = {
329 	GEN4_FEATURES,
330 	PLATFORM(INTEL_GM45),
331 	.is_mobile = 1,
332 	.display.has_fbc = 1,
333 	.display.supports_tv = 1,
334 	.engine_mask = BIT(RCS0) | BIT(VCS0),
335 	.gpu_reset_clobbers_display = false,
336 };
337 
338 #define GEN5_FEATURES \
339 	GEN(5), \
340 	.num_pipes = 2, \
341 	.display.has_hotplug = 1, \
342 	.engine_mask = BIT(RCS0) | BIT(VCS0), \
343 	.has_snoop = true, \
344 	.has_coherent_ggtt = true, \
345 	/* ilk does support rc6, but we do not implement [power] contexts */ \
346 	.has_rc6 = 0, \
347 	I9XX_PIPE_OFFSETS, \
348 	I9XX_CURSOR_OFFSETS, \
349 	ILK_COLORS, \
350 	GEN_DEFAULT_PAGE_SIZES
351 
352 static const struct intel_device_info intel_ironlake_d_info = {
353 	GEN5_FEATURES,
354 	PLATFORM(INTEL_IRONLAKE),
355 };
356 
357 static const struct intel_device_info intel_ironlake_m_info = {
358 	GEN5_FEATURES,
359 	PLATFORM(INTEL_IRONLAKE),
360 	.is_mobile = 1,
361 	.display.has_fbc = 1,
362 };
363 
364 #define GEN6_FEATURES \
365 	GEN(6), \
366 	.num_pipes = 2, \
367 	.display.has_hotplug = 1, \
368 	.display.has_fbc = 1, \
369 	.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
370 	.has_coherent_ggtt = true, \
371 	.has_llc = 1, \
372 	.has_rc6 = 1, \
373 	.has_rc6p = 1, \
374 	.has_rps = true, \
375 	.ppgtt_type = INTEL_PPGTT_ALIASING, \
376 	.ppgtt_size = 31, \
377 	I9XX_PIPE_OFFSETS, \
378 	I9XX_CURSOR_OFFSETS, \
379 	ILK_COLORS, \
380 	GEN_DEFAULT_PAGE_SIZES
381 
382 #define SNB_D_PLATFORM \
383 	GEN6_FEATURES, \
384 	PLATFORM(INTEL_SANDYBRIDGE)
385 
386 static const struct intel_device_info intel_sandybridge_d_gt1_info = {
387 	SNB_D_PLATFORM,
388 	.gt = 1,
389 };
390 
391 static const struct intel_device_info intel_sandybridge_d_gt2_info = {
392 	SNB_D_PLATFORM,
393 	.gt = 2,
394 };
395 
396 #define SNB_M_PLATFORM \
397 	GEN6_FEATURES, \
398 	PLATFORM(INTEL_SANDYBRIDGE), \
399 	.is_mobile = 1
400 
401 
402 static const struct intel_device_info intel_sandybridge_m_gt1_info = {
403 	SNB_M_PLATFORM,
404 	.gt = 1,
405 };
406 
407 static const struct intel_device_info intel_sandybridge_m_gt2_info = {
408 	SNB_M_PLATFORM,
409 	.gt = 2,
410 };
411 
412 #define GEN7_FEATURES  \
413 	GEN(7), \
414 	.num_pipes = 3, \
415 	.display.has_hotplug = 1, \
416 	.display.has_fbc = 1, \
417 	.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
418 	.has_coherent_ggtt = true, \
419 	.has_llc = 1, \
420 	.has_rc6 = 1, \
421 	.has_rc6p = 1, \
422 	.has_rps = true, \
423 	.ppgtt_type = INTEL_PPGTT_FULL, \
424 	.ppgtt_size = 31, \
425 	IVB_PIPE_OFFSETS, \
426 	IVB_CURSOR_OFFSETS, \
427 	IVB_COLORS, \
428 	GEN_DEFAULT_PAGE_SIZES
429 
430 #define IVB_D_PLATFORM \
431 	GEN7_FEATURES, \
432 	PLATFORM(INTEL_IVYBRIDGE), \
433 	.has_l3_dpf = 1
434 
435 static const struct intel_device_info intel_ivybridge_d_gt1_info = {
436 	IVB_D_PLATFORM,
437 	.gt = 1,
438 };
439 
440 static const struct intel_device_info intel_ivybridge_d_gt2_info = {
441 	IVB_D_PLATFORM,
442 	.gt = 2,
443 };
444 
445 #define IVB_M_PLATFORM \
446 	GEN7_FEATURES, \
447 	PLATFORM(INTEL_IVYBRIDGE), \
448 	.is_mobile = 1, \
449 	.has_l3_dpf = 1
450 
451 static const struct intel_device_info intel_ivybridge_m_gt1_info = {
452 	IVB_M_PLATFORM,
453 	.gt = 1,
454 };
455 
456 static const struct intel_device_info intel_ivybridge_m_gt2_info = {
457 	IVB_M_PLATFORM,
458 	.gt = 2,
459 };
460 
461 static const struct intel_device_info intel_ivybridge_q_info = {
462 	GEN7_FEATURES,
463 	PLATFORM(INTEL_IVYBRIDGE),
464 	.gt = 2,
465 	.num_pipes = 0, /* legal, last one wins */
466 	.has_l3_dpf = 1,
467 };
468 
469 static const struct intel_device_info intel_valleyview_info = {
470 	PLATFORM(INTEL_VALLEYVIEW),
471 	GEN(7),
472 	.is_lp = 1,
473 	.num_pipes = 2,
474 	.has_runtime_pm = 1,
475 	.has_rc6 = 1,
476 	.has_rps = true,
477 	.display.has_gmch = 1,
478 	.display.has_hotplug = 1,
479 	.ppgtt_type = INTEL_PPGTT_FULL,
480 	.ppgtt_size = 31,
481 	.has_snoop = true,
482 	.has_coherent_ggtt = false,
483 	.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0),
484 	.display_mmio_offset = VLV_DISPLAY_BASE,
485 	I9XX_PIPE_OFFSETS,
486 	I9XX_CURSOR_OFFSETS,
487 	I965_COLORS,
488 	GEN_DEFAULT_PAGE_SIZES,
489 };
490 
491 #define G75_FEATURES  \
492 	GEN7_FEATURES, \
493 	.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
494 	.display.has_ddi = 1, \
495 	.has_fpga_dbg = 1, \
496 	.display.has_psr = 1, \
497 	.display.has_dp_mst = 1, \
498 	.has_rc6p = 0 /* RC6p removed-by HSW */, \
499 	HSW_PIPE_OFFSETS, \
500 	.has_runtime_pm = 1
501 
502 #define HSW_PLATFORM \
503 	G75_FEATURES, \
504 	PLATFORM(INTEL_HASWELL), \
505 	.has_l3_dpf = 1
506 
507 static const struct intel_device_info intel_haswell_gt1_info = {
508 	HSW_PLATFORM,
509 	.gt = 1,
510 };
511 
512 static const struct intel_device_info intel_haswell_gt2_info = {
513 	HSW_PLATFORM,
514 	.gt = 2,
515 };
516 
517 static const struct intel_device_info intel_haswell_gt3_info = {
518 	HSW_PLATFORM,
519 	.gt = 3,
520 };
521 
522 #define GEN8_FEATURES \
523 	G75_FEATURES, \
524 	GEN(8), \
525 	.has_logical_ring_contexts = 1, \
526 	.ppgtt_type = INTEL_PPGTT_FULL, \
527 	.ppgtt_size = 48, \
528 	.has_64bit_reloc = 1, \
529 	.has_reset_engine = 1
530 
531 #define BDW_PLATFORM \
532 	GEN8_FEATURES, \
533 	PLATFORM(INTEL_BROADWELL)
534 
535 static const struct intel_device_info intel_broadwell_gt1_info = {
536 	BDW_PLATFORM,
537 	.gt = 1,
538 };
539 
540 static const struct intel_device_info intel_broadwell_gt2_info = {
541 	BDW_PLATFORM,
542 	.gt = 2,
543 };
544 
545 static const struct intel_device_info intel_broadwell_rsvd_info = {
546 	BDW_PLATFORM,
547 	.gt = 3,
548 	/* According to the device ID those devices are GT3, they were
549 	 * previously treated as not GT3, keep it like that.
550 	 */
551 };
552 
553 static const struct intel_device_info intel_broadwell_gt3_info = {
554 	BDW_PLATFORM,
555 	.gt = 3,
556 	.engine_mask =
557 		BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
558 };
559 
560 static const struct intel_device_info intel_cherryview_info = {
561 	PLATFORM(INTEL_CHERRYVIEW),
562 	GEN(8),
563 	.num_pipes = 3,
564 	.display.has_hotplug = 1,
565 	.is_lp = 1,
566 	.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0),
567 	.has_64bit_reloc = 1,
568 	.has_runtime_pm = 1,
569 	.has_rc6 = 1,
570 	.has_rps = true,
571 	.has_logical_ring_contexts = 1,
572 	.display.has_gmch = 1,
573 	.ppgtt_type = INTEL_PPGTT_FULL,
574 	.ppgtt_size = 32,
575 	.has_reset_engine = 1,
576 	.has_snoop = true,
577 	.has_coherent_ggtt = false,
578 	.display_mmio_offset = VLV_DISPLAY_BASE,
579 	CHV_PIPE_OFFSETS,
580 	CHV_CURSOR_OFFSETS,
581 	CHV_COLORS,
582 	GEN_DEFAULT_PAGE_SIZES,
583 };
584 
585 #define GEN9_DEFAULT_PAGE_SIZES \
586 	.page_sizes = I915_GTT_PAGE_SIZE_4K | \
587 		      I915_GTT_PAGE_SIZE_64K
588 
589 #define GEN9_FEATURES \
590 	GEN8_FEATURES, \
591 	GEN(9), \
592 	GEN9_DEFAULT_PAGE_SIZES, \
593 	.has_logical_ring_preemption = 1, \
594 	.display.has_csr = 1, \
595 	.has_gt_uc = 1, \
596 	.display.has_ipc = 1, \
597 	.ddb_size = 896
598 
599 #define SKL_PLATFORM \
600 	GEN9_FEATURES, \
601 	PLATFORM(INTEL_SKYLAKE)
602 
603 static const struct intel_device_info intel_skylake_gt1_info = {
604 	SKL_PLATFORM,
605 	.gt = 1,
606 };
607 
608 static const struct intel_device_info intel_skylake_gt2_info = {
609 	SKL_PLATFORM,
610 	.gt = 2,
611 };
612 
613 #define SKL_GT3_PLUS_PLATFORM \
614 	SKL_PLATFORM, \
615 	.engine_mask = \
616 		BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1)
617 
618 
619 static const struct intel_device_info intel_skylake_gt3_info = {
620 	SKL_GT3_PLUS_PLATFORM,
621 	.gt = 3,
622 };
623 
624 static const struct intel_device_info intel_skylake_gt4_info = {
625 	SKL_GT3_PLUS_PLATFORM,
626 	.gt = 4,
627 };
628 
629 #define GEN9_LP_FEATURES \
630 	GEN(9), \
631 	.is_lp = 1, \
632 	.display.has_hotplug = 1, \
633 	.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
634 	.num_pipes = 3, \
635 	.has_64bit_reloc = 1, \
636 	.display.has_ddi = 1, \
637 	.has_fpga_dbg = 1, \
638 	.display.has_fbc = 1, \
639 	.display.has_psr = 1, \
640 	.has_runtime_pm = 1, \
641 	.display.has_csr = 1, \
642 	.has_rc6 = 1, \
643 	.has_rps = true, \
644 	.display.has_dp_mst = 1, \
645 	.has_logical_ring_contexts = 1, \
646 	.has_logical_ring_preemption = 1, \
647 	.has_gt_uc = 1, \
648 	.ppgtt_type = INTEL_PPGTT_FULL, \
649 	.ppgtt_size = 48, \
650 	.has_reset_engine = 1, \
651 	.has_snoop = true, \
652 	.has_coherent_ggtt = false, \
653 	.display.has_ipc = 1, \
654 	HSW_PIPE_OFFSETS, \
655 	IVB_CURSOR_OFFSETS, \
656 	IVB_COLORS, \
657 	GEN9_DEFAULT_PAGE_SIZES
658 
659 static const struct intel_device_info intel_broxton_info = {
660 	GEN9_LP_FEATURES,
661 	PLATFORM(INTEL_BROXTON),
662 	.ddb_size = 512,
663 };
664 
665 static const struct intel_device_info intel_geminilake_info = {
666 	GEN9_LP_FEATURES,
667 	PLATFORM(INTEL_GEMINILAKE),
668 	.ddb_size = 1024,
669 	GLK_COLORS,
670 };
671 
672 #define KBL_PLATFORM \
673 	GEN9_FEATURES, \
674 	PLATFORM(INTEL_KABYLAKE)
675 
676 static const struct intel_device_info intel_kabylake_gt1_info = {
677 	KBL_PLATFORM,
678 	.gt = 1,
679 };
680 
681 static const struct intel_device_info intel_kabylake_gt2_info = {
682 	KBL_PLATFORM,
683 	.gt = 2,
684 };
685 
686 static const struct intel_device_info intel_kabylake_gt3_info = {
687 	KBL_PLATFORM,
688 	.gt = 3,
689 	.engine_mask =
690 		BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
691 };
692 
693 #define CFL_PLATFORM \
694 	GEN9_FEATURES, \
695 	PLATFORM(INTEL_COFFEELAKE)
696 
697 static const struct intel_device_info intel_coffeelake_gt1_info = {
698 	CFL_PLATFORM,
699 	.gt = 1,
700 };
701 
702 static const struct intel_device_info intel_coffeelake_gt2_info = {
703 	CFL_PLATFORM,
704 	.gt = 2,
705 };
706 
707 static const struct intel_device_info intel_coffeelake_gt3_info = {
708 	CFL_PLATFORM,
709 	.gt = 3,
710 	.engine_mask =
711 		BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
712 };
713 
714 #define GEN10_FEATURES \
715 	GEN9_FEATURES, \
716 	GEN(10), \
717 	.ddb_size = 1024, \
718 	.has_coherent_ggtt = false, \
719 	GLK_COLORS
720 
721 static const struct intel_device_info intel_cannonlake_info = {
722 	GEN10_FEATURES,
723 	PLATFORM(INTEL_CANNONLAKE),
724 	.gt = 2,
725 };
726 
727 #define GEN11_DEFAULT_PAGE_SIZES \
728 	.page_sizes = I915_GTT_PAGE_SIZE_4K | \
729 		      I915_GTT_PAGE_SIZE_64K | \
730 		      I915_GTT_PAGE_SIZE_2M
731 
732 #define GEN11_FEATURES \
733 	GEN10_FEATURES, \
734 	GEN11_DEFAULT_PAGE_SIZES, \
735 	.pipe_offsets = { \
736 		[TRANSCODER_A] = PIPE_A_OFFSET, \
737 		[TRANSCODER_B] = PIPE_B_OFFSET, \
738 		[TRANSCODER_C] = PIPE_C_OFFSET, \
739 		[TRANSCODER_EDP] = PIPE_EDP_OFFSET, \
740 		[TRANSCODER_DSI_0] = PIPE_DSI0_OFFSET, \
741 		[TRANSCODER_DSI_1] = PIPE_DSI1_OFFSET, \
742 	}, \
743 	.trans_offsets = { \
744 		[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
745 		[TRANSCODER_B] = TRANSCODER_B_OFFSET, \
746 		[TRANSCODER_C] = TRANSCODER_C_OFFSET, \
747 		[TRANSCODER_EDP] = TRANSCODER_EDP_OFFSET, \
748 		[TRANSCODER_DSI_0] = TRANSCODER_DSI0_OFFSET, \
749 		[TRANSCODER_DSI_1] = TRANSCODER_DSI1_OFFSET, \
750 	}, \
751 	GEN(11), \
752 	.ddb_size = 2048, \
753 	.has_logical_ring_elsq = 1, \
754 	.color = { .degamma_lut_size = 33, .gamma_lut_size = 262145 }
755 
756 static const struct intel_device_info intel_icelake_11_info = {
757 	GEN11_FEATURES,
758 	PLATFORM(INTEL_ICELAKE),
759 	.engine_mask =
760 		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
761 };
762 
763 static const struct intel_device_info intel_elkhartlake_info = {
764 	GEN11_FEATURES,
765 	PLATFORM(INTEL_ELKHARTLAKE),
766 	.require_force_probe = 1,
767 	.engine_mask = BIT(RCS0) | BIT(BCS0) | BIT(VCS0) | BIT(VECS0),
768 	.ppgtt_size = 36,
769 };
770 
771 #define GEN12_FEATURES \
772 	GEN11_FEATURES, \
773 	GEN(12), \
774 	.pipe_offsets = { \
775 		[TRANSCODER_A] = PIPE_A_OFFSET, \
776 		[TRANSCODER_B] = PIPE_B_OFFSET, \
777 		[TRANSCODER_C] = PIPE_C_OFFSET, \
778 		[TRANSCODER_D] = PIPE_D_OFFSET, \
779 		[TRANSCODER_DSI_0] = PIPE_DSI0_OFFSET, \
780 		[TRANSCODER_DSI_1] = PIPE_DSI1_OFFSET, \
781 	}, \
782 	.trans_offsets = { \
783 		[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
784 		[TRANSCODER_B] = TRANSCODER_B_OFFSET, \
785 		[TRANSCODER_C] = TRANSCODER_C_OFFSET, \
786 		[TRANSCODER_D] = TRANSCODER_D_OFFSET, \
787 		[TRANSCODER_DSI_0] = TRANSCODER_DSI0_OFFSET, \
788 		[TRANSCODER_DSI_1] = TRANSCODER_DSI1_OFFSET, \
789 	}, \
790 	.has_global_mocs = 1
791 
792 static const struct intel_device_info intel_tigerlake_12_info = {
793 	GEN12_FEATURES,
794 	PLATFORM(INTEL_TIGERLAKE),
795 	.num_pipes = 4,
796 	.require_force_probe = 1,
797 	.display.has_modular_fia = 1,
798 	.engine_mask =
799 		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
800 };
801 
802 #undef GEN
803 #undef PLATFORM
804 
805 /*
806  * Make sure any device matches here are from most specific to most
807  * general.  For example, since the Quanta match is based on the subsystem
808  * and subvendor IDs, we need it to come before the more general IVB
809  * PCI ID matches, otherwise we'll use the wrong info struct above.
810  */
811 static const struct pci_device_id pciidlist[] = {
812 	INTEL_I830_IDS(&intel_i830_info),
813 	INTEL_I845G_IDS(&intel_i845g_info),
814 	INTEL_I85X_IDS(&intel_i85x_info),
815 	INTEL_I865G_IDS(&intel_i865g_info),
816 	INTEL_I915G_IDS(&intel_i915g_info),
817 	INTEL_I915GM_IDS(&intel_i915gm_info),
818 	INTEL_I945G_IDS(&intel_i945g_info),
819 	INTEL_I945GM_IDS(&intel_i945gm_info),
820 	INTEL_I965G_IDS(&intel_i965g_info),
821 	INTEL_G33_IDS(&intel_g33_info),
822 	INTEL_I965GM_IDS(&intel_i965gm_info),
823 	INTEL_GM45_IDS(&intel_gm45_info),
824 	INTEL_G45_IDS(&intel_g45_info),
825 	INTEL_PINEVIEW_G_IDS(&intel_pineview_g_info),
826 	INTEL_PINEVIEW_M_IDS(&intel_pineview_m_info),
827 	INTEL_IRONLAKE_D_IDS(&intel_ironlake_d_info),
828 	INTEL_IRONLAKE_M_IDS(&intel_ironlake_m_info),
829 	INTEL_SNB_D_GT1_IDS(&intel_sandybridge_d_gt1_info),
830 	INTEL_SNB_D_GT2_IDS(&intel_sandybridge_d_gt2_info),
831 	INTEL_SNB_M_GT1_IDS(&intel_sandybridge_m_gt1_info),
832 	INTEL_SNB_M_GT2_IDS(&intel_sandybridge_m_gt2_info),
833 	INTEL_IVB_Q_IDS(&intel_ivybridge_q_info), /* must be first IVB */
834 	INTEL_IVB_M_GT1_IDS(&intel_ivybridge_m_gt1_info),
835 	INTEL_IVB_M_GT2_IDS(&intel_ivybridge_m_gt2_info),
836 	INTEL_IVB_D_GT1_IDS(&intel_ivybridge_d_gt1_info),
837 	INTEL_IVB_D_GT2_IDS(&intel_ivybridge_d_gt2_info),
838 	INTEL_HSW_GT1_IDS(&intel_haswell_gt1_info),
839 	INTEL_HSW_GT2_IDS(&intel_haswell_gt2_info),
840 	INTEL_HSW_GT3_IDS(&intel_haswell_gt3_info),
841 	INTEL_VLV_IDS(&intel_valleyview_info),
842 	INTEL_BDW_GT1_IDS(&intel_broadwell_gt1_info),
843 	INTEL_BDW_GT2_IDS(&intel_broadwell_gt2_info),
844 	INTEL_BDW_GT3_IDS(&intel_broadwell_gt3_info),
845 	INTEL_BDW_RSVD_IDS(&intel_broadwell_rsvd_info),
846 	INTEL_CHV_IDS(&intel_cherryview_info),
847 	INTEL_SKL_GT1_IDS(&intel_skylake_gt1_info),
848 	INTEL_SKL_GT2_IDS(&intel_skylake_gt2_info),
849 	INTEL_SKL_GT3_IDS(&intel_skylake_gt3_info),
850 	INTEL_SKL_GT4_IDS(&intel_skylake_gt4_info),
851 	INTEL_BXT_IDS(&intel_broxton_info),
852 	INTEL_GLK_IDS(&intel_geminilake_info),
853 	INTEL_KBL_GT1_IDS(&intel_kabylake_gt1_info),
854 	INTEL_KBL_GT2_IDS(&intel_kabylake_gt2_info),
855 	INTEL_KBL_GT3_IDS(&intel_kabylake_gt3_info),
856 	INTEL_KBL_GT4_IDS(&intel_kabylake_gt3_info),
857 	INTEL_AML_KBL_GT2_IDS(&intel_kabylake_gt2_info),
858 	INTEL_CFL_S_GT1_IDS(&intel_coffeelake_gt1_info),
859 	INTEL_CFL_S_GT2_IDS(&intel_coffeelake_gt2_info),
860 	INTEL_CFL_H_GT1_IDS(&intel_coffeelake_gt1_info),
861 	INTEL_CFL_H_GT2_IDS(&intel_coffeelake_gt2_info),
862 	INTEL_CFL_U_GT2_IDS(&intel_coffeelake_gt2_info),
863 	INTEL_CFL_U_GT3_IDS(&intel_coffeelake_gt3_info),
864 	INTEL_WHL_U_GT1_IDS(&intel_coffeelake_gt1_info),
865 	INTEL_WHL_U_GT2_IDS(&intel_coffeelake_gt2_info),
866 	INTEL_AML_CFL_GT2_IDS(&intel_coffeelake_gt2_info),
867 	INTEL_WHL_U_GT3_IDS(&intel_coffeelake_gt3_info),
868 	INTEL_CML_GT1_IDS(&intel_coffeelake_gt1_info),
869 	INTEL_CML_GT2_IDS(&intel_coffeelake_gt2_info),
870 	INTEL_CNL_IDS(&intel_cannonlake_info),
871 	INTEL_ICL_11_IDS(&intel_icelake_11_info),
872 	INTEL_EHL_IDS(&intel_elkhartlake_info),
873 	INTEL_TGL_12_IDS(&intel_tigerlake_12_info),
874 	{0, 0, 0}
875 };
876 MODULE_DEVICE_TABLE(pci, pciidlist);
877 
878 static void i915_pci_remove(struct pci_dev *pdev)
879 {
880 	struct drm_i915_private *i915;
881 
882 	i915 = pci_get_drvdata(pdev);
883 	if (!i915) /* driver load aborted, nothing to cleanup */
884 		return;
885 
886 	i915_driver_remove(i915);
887 	pci_set_drvdata(pdev, NULL);
888 
889 	drm_dev_put(&i915->drm);
890 }
891 
892 /* is device_id present in comma separated list of ids */
893 static bool force_probe(u16 device_id, const char *devices)
894 {
895 	char *s, *p, *tok;
896 	bool ret;
897 
898 	/* FIXME: transitional */
899 	if (i915_modparams.alpha_support) {
900 		DRM_INFO("i915.alpha_support is deprecated, use i915.force_probe=%04x instead\n",
901 			 device_id);
902 		return true;
903 	}
904 
905 	if (!devices || !*devices)
906 		return false;
907 
908 	/* match everything */
909 	if (strcmp(devices, "*") == 0)
910 		return true;
911 
912 	s = kstrdup(devices, GFP_KERNEL);
913 	if (!s)
914 		return false;
915 
916 	for (p = s, ret = false; (tok = strsep(&p, ",")) != NULL; ) {
917 		u16 val;
918 
919 		if (kstrtou16(tok, 16, &val) == 0 && val == device_id) {
920 			ret = true;
921 			break;
922 		}
923 	}
924 
925 	kfree(s);
926 
927 	return ret;
928 }
929 
930 static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
931 {
932 	struct intel_device_info *intel_info =
933 		(struct intel_device_info *) ent->driver_data;
934 	int err;
935 
936 	if (intel_info->require_force_probe &&
937 	    !force_probe(pdev->device, i915_modparams.force_probe)) {
938 		DRM_INFO("Your graphics device %04x is not properly supported by the driver in this\n"
939 			 "kernel version. To force driver probe anyway, use i915.force_probe=%04x\n"
940 			 "module parameter or CONFIG_DRM_I915_FORCE_PROBE=%04x configuration option,\n"
941 			 "or (recommended) check for kernel updates.\n",
942 			 pdev->device, pdev->device, pdev->device);
943 		return -ENODEV;
944 	}
945 
946 	/* Only bind to function 0 of the device. Early generations
947 	 * used function 1 as a placeholder for multi-head. This causes
948 	 * us confusion instead, especially on the systems where both
949 	 * functions have the same PCI-ID!
950 	 */
951 	if (PCI_FUNC(pdev->devfn))
952 		return -ENODEV;
953 
954 	/*
955 	 * apple-gmux is needed on dual GPU MacBook Pro
956 	 * to probe the panel if we're the inactive GPU.
957 	 */
958 	if (vga_switcheroo_client_probe_defer(pdev))
959 		return -EPROBE_DEFER;
960 
961 	err = i915_driver_probe(pdev, ent);
962 	if (err)
963 		return err;
964 
965 	if (i915_inject_probe_failure(pci_get_drvdata(pdev))) {
966 		i915_pci_remove(pdev);
967 		return -ENODEV;
968 	}
969 
970 	err = i915_live_selftests(pdev);
971 	if (err) {
972 		i915_pci_remove(pdev);
973 		return err > 0 ? -ENOTTY : err;
974 	}
975 
976 	return 0;
977 }
978 
979 static struct pci_driver i915_pci_driver = {
980 	.name = DRIVER_NAME,
981 	.id_table = pciidlist,
982 	.probe = i915_pci_probe,
983 	.remove = i915_pci_remove,
984 	.driver.pm = &i915_pm_ops,
985 };
986 
987 static int __init i915_init(void)
988 {
989 	bool use_kms = true;
990 	int err;
991 
992 	err = i915_globals_init();
993 	if (err)
994 		return err;
995 
996 	err = i915_mock_selftests();
997 	if (err)
998 		return err > 0 ? 0 : err;
999 
1000 	/*
1001 	 * Enable KMS by default, unless explicitly overriden by
1002 	 * either the i915.modeset prarameter or by the
1003 	 * vga_text_mode_force boot option.
1004 	 */
1005 
1006 	if (i915_modparams.modeset == 0)
1007 		use_kms = false;
1008 
1009 	if (vgacon_text_force() && i915_modparams.modeset == -1)
1010 		use_kms = false;
1011 
1012 	if (!use_kms) {
1013 		/* Silently fail loading to not upset userspace. */
1014 		DRM_DEBUG_DRIVER("KMS disabled.\n");
1015 		return 0;
1016 	}
1017 
1018 	return pci_register_driver(&i915_pci_driver);
1019 }
1020 
1021 static void __exit i915_exit(void)
1022 {
1023 	if (!i915_pci_driver.driver.owner)
1024 		return;
1025 
1026 	pci_unregister_driver(&i915_pci_driver);
1027 	i915_globals_exit();
1028 }
1029 
1030 module_init(i915_init);
1031 module_exit(i915_exit);
1032 
1033 MODULE_AUTHOR("Tungsten Graphics, Inc.");
1034 MODULE_AUTHOR("Intel Corporation");
1035 
1036 MODULE_DESCRIPTION(DRIVER_DESC);
1037 MODULE_LICENSE("GPL and additional rights");
1038