xref: /linux/drivers/gpu/drm/i915/i915_pci.c (revision 18f90d372cf35b387663f1567de701e5393f6eb5)
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 "i915_active.h"
32 #include "i915_drv.h"
33 #include "i915_selftest.h"
34 
35 #define PLATFORM(x) .platform = (x), .platform_mask = BIT(x)
36 #define GEN(x) .gen = (x), .gen_mask = BIT((x) - 1)
37 
38 #define GEN_DEFAULT_PIPEOFFSETS \
39 	.pipe_offsets = { \
40 		[TRANSCODER_A] = PIPE_A_OFFSET,	\
41 		[TRANSCODER_B] = PIPE_B_OFFSET, \
42 		[TRANSCODER_C] = PIPE_C_OFFSET, \
43 		[TRANSCODER_EDP] = PIPE_EDP_OFFSET, \
44 	}, \
45 	.trans_offsets = { \
46 		[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
47 		[TRANSCODER_B] = TRANSCODER_B_OFFSET, \
48 		[TRANSCODER_C] = TRANSCODER_C_OFFSET, \
49 		[TRANSCODER_EDP] = TRANSCODER_EDP_OFFSET, \
50 	}
51 
52 #define GEN_CHV_PIPEOFFSETS \
53 	.pipe_offsets = { \
54 		[TRANSCODER_A] = PIPE_A_OFFSET, \
55 		[TRANSCODER_B] = PIPE_B_OFFSET, \
56 		[TRANSCODER_C] = CHV_PIPE_C_OFFSET, \
57 	}, \
58 	.trans_offsets = { \
59 		[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
60 		[TRANSCODER_B] = TRANSCODER_B_OFFSET, \
61 		[TRANSCODER_C] = CHV_TRANSCODER_C_OFFSET, \
62 	}
63 
64 #define CURSOR_OFFSETS \
65 	.cursor_offsets = { CURSOR_A_OFFSET, CURSOR_B_OFFSET, CHV_CURSOR_C_OFFSET }
66 
67 #define IVB_CURSOR_OFFSETS \
68 	.cursor_offsets = { CURSOR_A_OFFSET, IVB_CURSOR_B_OFFSET, IVB_CURSOR_C_OFFSET }
69 
70 #define BDW_COLORS \
71 	.color = { .degamma_lut_size = 512, .gamma_lut_size = 512 }
72 #define CHV_COLORS \
73 	.color = { .degamma_lut_size = 65, .gamma_lut_size = 257, \
74 		   .degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
75 		   .gamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
76 	}
77 #define GLK_COLORS \
78 	.color = { .degamma_lut_size = 0, .gamma_lut_size = 1024, \
79 		   .degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING | \
80 					DRM_COLOR_LUT_EQUAL_CHANNELS, \
81 	}
82 
83 /* Keep in gen based order, and chronological order within a gen */
84 
85 #define GEN_DEFAULT_PAGE_SIZES \
86 	.page_sizes = I915_GTT_PAGE_SIZE_4K
87 
88 #define GEN2_FEATURES \
89 	GEN(2), \
90 	.num_pipes = 1, \
91 	.display.has_overlay = 1, \
92 	.display.overlay_needs_physical = 1, \
93 	.display.has_gmch = 1, \
94 	.gpu_reset_clobbers_display = true, \
95 	.hws_needs_physical = 1, \
96 	.unfenced_needs_alignment = 1, \
97 	.ring_mask = RENDER_RING, \
98 	.has_snoop = true, \
99 	.has_coherent_ggtt = false, \
100 	GEN_DEFAULT_PIPEOFFSETS, \
101 	GEN_DEFAULT_PAGE_SIZES, \
102 	CURSOR_OFFSETS
103 
104 static const struct intel_device_info intel_i830_info = {
105 	GEN2_FEATURES,
106 	PLATFORM(INTEL_I830),
107 	.is_mobile = 1,
108 	.display.cursor_needs_physical = 1,
109 	.num_pipes = 2, /* legal, last one wins */
110 };
111 
112 static const struct intel_device_info intel_i845g_info = {
113 	GEN2_FEATURES,
114 	PLATFORM(INTEL_I845G),
115 };
116 
117 static const struct intel_device_info intel_i85x_info = {
118 	GEN2_FEATURES,
119 	PLATFORM(INTEL_I85X),
120 	.is_mobile = 1,
121 	.num_pipes = 2, /* legal, last one wins */
122 	.display.cursor_needs_physical = 1,
123 	.display.has_fbc = 1,
124 };
125 
126 static const struct intel_device_info intel_i865g_info = {
127 	GEN2_FEATURES,
128 	PLATFORM(INTEL_I865G),
129 };
130 
131 #define GEN3_FEATURES \
132 	GEN(3), \
133 	.num_pipes = 2, \
134 	.display.has_gmch = 1, \
135 	.gpu_reset_clobbers_display = true, \
136 	.ring_mask = RENDER_RING, \
137 	.has_snoop = true, \
138 	.has_coherent_ggtt = true, \
139 	GEN_DEFAULT_PIPEOFFSETS, \
140 	GEN_DEFAULT_PAGE_SIZES, \
141 	CURSOR_OFFSETS
142 
143 static const struct intel_device_info intel_i915g_info = {
144 	GEN3_FEATURES,
145 	PLATFORM(INTEL_I915G),
146 	.has_coherent_ggtt = false,
147 	.display.cursor_needs_physical = 1,
148 	.display.has_overlay = 1,
149 	.display.overlay_needs_physical = 1,
150 	.hws_needs_physical = 1,
151 	.unfenced_needs_alignment = 1,
152 };
153 
154 static const struct intel_device_info intel_i915gm_info = {
155 	GEN3_FEATURES,
156 	PLATFORM(INTEL_I915GM),
157 	.is_mobile = 1,
158 	.display.cursor_needs_physical = 1,
159 	.display.has_overlay = 1,
160 	.display.overlay_needs_physical = 1,
161 	.display.supports_tv = 1,
162 	.display.has_fbc = 1,
163 	.hws_needs_physical = 1,
164 	.unfenced_needs_alignment = 1,
165 };
166 
167 static const struct intel_device_info intel_i945g_info = {
168 	GEN3_FEATURES,
169 	PLATFORM(INTEL_I945G),
170 	.display.has_hotplug = 1,
171 	.display.cursor_needs_physical = 1,
172 	.display.has_overlay = 1,
173 	.display.overlay_needs_physical = 1,
174 	.hws_needs_physical = 1,
175 	.unfenced_needs_alignment = 1,
176 };
177 
178 static const struct intel_device_info intel_i945gm_info = {
179 	GEN3_FEATURES,
180 	PLATFORM(INTEL_I945GM),
181 	.is_mobile = 1,
182 	.display.has_hotplug = 1,
183 	.display.cursor_needs_physical = 1,
184 	.display.has_overlay = 1,
185 	.display.overlay_needs_physical = 1,
186 	.display.supports_tv = 1,
187 	.display.has_fbc = 1,
188 	.hws_needs_physical = 1,
189 	.unfenced_needs_alignment = 1,
190 };
191 
192 static const struct intel_device_info intel_g33_info = {
193 	GEN3_FEATURES,
194 	PLATFORM(INTEL_G33),
195 	.display.has_hotplug = 1,
196 	.display.has_overlay = 1,
197 };
198 
199 static const struct intel_device_info intel_pineview_info = {
200 	GEN3_FEATURES,
201 	PLATFORM(INTEL_PINEVIEW),
202 	.is_mobile = 1,
203 	.display.has_hotplug = 1,
204 	.display.has_overlay = 1,
205 };
206 
207 #define GEN4_FEATURES \
208 	GEN(4), \
209 	.num_pipes = 2, \
210 	.display.has_hotplug = 1, \
211 	.display.has_gmch = 1, \
212 	.gpu_reset_clobbers_display = true, \
213 	.ring_mask = RENDER_RING, \
214 	.has_snoop = true, \
215 	.has_coherent_ggtt = true, \
216 	GEN_DEFAULT_PIPEOFFSETS, \
217 	GEN_DEFAULT_PAGE_SIZES, \
218 	CURSOR_OFFSETS
219 
220 static const struct intel_device_info intel_i965g_info = {
221 	GEN4_FEATURES,
222 	PLATFORM(INTEL_I965G),
223 	.display.has_overlay = 1,
224 	.hws_needs_physical = 1,
225 	.has_snoop = false,
226 };
227 
228 static const struct intel_device_info intel_i965gm_info = {
229 	GEN4_FEATURES,
230 	PLATFORM(INTEL_I965GM),
231 	.is_mobile = 1,
232 	.display.has_fbc = 1,
233 	.display.has_overlay = 1,
234 	.display.supports_tv = 1,
235 	.hws_needs_physical = 1,
236 	.has_snoop = false,
237 };
238 
239 static const struct intel_device_info intel_g45_info = {
240 	GEN4_FEATURES,
241 	PLATFORM(INTEL_G45),
242 	.ring_mask = RENDER_RING | BSD_RING,
243 	.gpu_reset_clobbers_display = false,
244 };
245 
246 static const struct intel_device_info intel_gm45_info = {
247 	GEN4_FEATURES,
248 	PLATFORM(INTEL_GM45),
249 	.is_mobile = 1,
250 	.display.has_fbc = 1,
251 	.display.supports_tv = 1,
252 	.ring_mask = RENDER_RING | BSD_RING,
253 	.gpu_reset_clobbers_display = false,
254 };
255 
256 #define GEN5_FEATURES \
257 	GEN(5), \
258 	.num_pipes = 2, \
259 	.display.has_hotplug = 1, \
260 	.ring_mask = RENDER_RING | BSD_RING, \
261 	.has_snoop = true, \
262 	.has_coherent_ggtt = true, \
263 	/* ilk does support rc6, but we do not implement [power] contexts */ \
264 	.has_rc6 = 0, \
265 	GEN_DEFAULT_PIPEOFFSETS, \
266 	GEN_DEFAULT_PAGE_SIZES, \
267 	CURSOR_OFFSETS
268 
269 static const struct intel_device_info intel_ironlake_d_info = {
270 	GEN5_FEATURES,
271 	PLATFORM(INTEL_IRONLAKE),
272 };
273 
274 static const struct intel_device_info intel_ironlake_m_info = {
275 	GEN5_FEATURES,
276 	PLATFORM(INTEL_IRONLAKE),
277 	.is_mobile = 1,
278 	.display.has_fbc = 1,
279 };
280 
281 #define GEN6_FEATURES \
282 	GEN(6), \
283 	.num_pipes = 2, \
284 	.display.has_hotplug = 1, \
285 	.display.has_fbc = 1, \
286 	.ring_mask = RENDER_RING | BSD_RING | BLT_RING, \
287 	.has_coherent_ggtt = true, \
288 	.has_llc = 1, \
289 	.has_rc6 = 1, \
290 	.has_rc6p = 1, \
291 	.ppgtt = INTEL_PPGTT_ALIASING, \
292 	GEN_DEFAULT_PIPEOFFSETS, \
293 	GEN_DEFAULT_PAGE_SIZES, \
294 	CURSOR_OFFSETS
295 
296 #define SNB_D_PLATFORM \
297 	GEN6_FEATURES, \
298 	PLATFORM(INTEL_SANDYBRIDGE)
299 
300 static const struct intel_device_info intel_sandybridge_d_gt1_info = {
301 	SNB_D_PLATFORM,
302 	.gt = 1,
303 };
304 
305 static const struct intel_device_info intel_sandybridge_d_gt2_info = {
306 	SNB_D_PLATFORM,
307 	.gt = 2,
308 };
309 
310 #define SNB_M_PLATFORM \
311 	GEN6_FEATURES, \
312 	PLATFORM(INTEL_SANDYBRIDGE), \
313 	.is_mobile = 1
314 
315 
316 static const struct intel_device_info intel_sandybridge_m_gt1_info = {
317 	SNB_M_PLATFORM,
318 	.gt = 1,
319 };
320 
321 static const struct intel_device_info intel_sandybridge_m_gt2_info = {
322 	SNB_M_PLATFORM,
323 	.gt = 2,
324 };
325 
326 #define GEN7_FEATURES  \
327 	GEN(7), \
328 	.num_pipes = 3, \
329 	.display.has_hotplug = 1, \
330 	.display.has_fbc = 1, \
331 	.ring_mask = RENDER_RING | BSD_RING | BLT_RING, \
332 	.has_coherent_ggtt = true, \
333 	.has_llc = 1, \
334 	.has_rc6 = 1, \
335 	.has_rc6p = 1, \
336 	.ppgtt = INTEL_PPGTT_FULL, \
337 	GEN_DEFAULT_PIPEOFFSETS, \
338 	GEN_DEFAULT_PAGE_SIZES, \
339 	IVB_CURSOR_OFFSETS
340 
341 #define IVB_D_PLATFORM \
342 	GEN7_FEATURES, \
343 	PLATFORM(INTEL_IVYBRIDGE), \
344 	.has_l3_dpf = 1
345 
346 static const struct intel_device_info intel_ivybridge_d_gt1_info = {
347 	IVB_D_PLATFORM,
348 	.gt = 1,
349 };
350 
351 static const struct intel_device_info intel_ivybridge_d_gt2_info = {
352 	IVB_D_PLATFORM,
353 	.gt = 2,
354 };
355 
356 #define IVB_M_PLATFORM \
357 	GEN7_FEATURES, \
358 	PLATFORM(INTEL_IVYBRIDGE), \
359 	.is_mobile = 1, \
360 	.has_l3_dpf = 1
361 
362 static const struct intel_device_info intel_ivybridge_m_gt1_info = {
363 	IVB_M_PLATFORM,
364 	.gt = 1,
365 };
366 
367 static const struct intel_device_info intel_ivybridge_m_gt2_info = {
368 	IVB_M_PLATFORM,
369 	.gt = 2,
370 };
371 
372 static const struct intel_device_info intel_ivybridge_q_info = {
373 	GEN7_FEATURES,
374 	PLATFORM(INTEL_IVYBRIDGE),
375 	.gt = 2,
376 	.num_pipes = 0, /* legal, last one wins */
377 	.has_l3_dpf = 1,
378 };
379 
380 static const struct intel_device_info intel_valleyview_info = {
381 	PLATFORM(INTEL_VALLEYVIEW),
382 	GEN(7),
383 	.is_lp = 1,
384 	.num_pipes = 2,
385 	.has_runtime_pm = 1,
386 	.has_rc6 = 1,
387 	.display.has_gmch = 1,
388 	.display.has_hotplug = 1,
389 	.ppgtt = INTEL_PPGTT_FULL,
390 	.has_snoop = true,
391 	.has_coherent_ggtt = false,
392 	.ring_mask = RENDER_RING | BSD_RING | BLT_RING,
393 	.display_mmio_offset = VLV_DISPLAY_BASE,
394 	GEN_DEFAULT_PAGE_SIZES,
395 	GEN_DEFAULT_PIPEOFFSETS,
396 	CURSOR_OFFSETS
397 };
398 
399 #define G75_FEATURES  \
400 	GEN7_FEATURES, \
401 	.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING, \
402 	.display.has_ddi = 1, \
403 	.has_fpga_dbg = 1, \
404 	.display.has_psr = 1, \
405 	.display.has_dp_mst = 1, \
406 	.has_rc6p = 0 /* RC6p removed-by HSW */, \
407 	.has_runtime_pm = 1
408 
409 #define HSW_PLATFORM \
410 	G75_FEATURES, \
411 	PLATFORM(INTEL_HASWELL), \
412 	.has_l3_dpf = 1
413 
414 static const struct intel_device_info intel_haswell_gt1_info = {
415 	HSW_PLATFORM,
416 	.gt = 1,
417 };
418 
419 static const struct intel_device_info intel_haswell_gt2_info = {
420 	HSW_PLATFORM,
421 	.gt = 2,
422 };
423 
424 static const struct intel_device_info intel_haswell_gt3_info = {
425 	HSW_PLATFORM,
426 	.gt = 3,
427 };
428 
429 #define GEN8_FEATURES \
430 	G75_FEATURES, \
431 	GEN(8), \
432 	BDW_COLORS, \
433 	.page_sizes = I915_GTT_PAGE_SIZE_4K | \
434 		      I915_GTT_PAGE_SIZE_2M, \
435 	.has_logical_ring_contexts = 1, \
436 	.ppgtt = INTEL_PPGTT_FULL_4LVL, \
437 	.has_64bit_reloc = 1, \
438 	.has_reset_engine = 1
439 
440 #define BDW_PLATFORM \
441 	GEN8_FEATURES, \
442 	PLATFORM(INTEL_BROADWELL)
443 
444 static const struct intel_device_info intel_broadwell_gt1_info = {
445 	BDW_PLATFORM,
446 	.gt = 1,
447 };
448 
449 static const struct intel_device_info intel_broadwell_gt2_info = {
450 	BDW_PLATFORM,
451 	.gt = 2,
452 };
453 
454 static const struct intel_device_info intel_broadwell_rsvd_info = {
455 	BDW_PLATFORM,
456 	.gt = 3,
457 	/* According to the device ID those devices are GT3, they were
458 	 * previously treated as not GT3, keep it like that.
459 	 */
460 };
461 
462 static const struct intel_device_info intel_broadwell_gt3_info = {
463 	BDW_PLATFORM,
464 	.gt = 3,
465 	.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING,
466 };
467 
468 static const struct intel_device_info intel_cherryview_info = {
469 	PLATFORM(INTEL_CHERRYVIEW),
470 	GEN(8),
471 	.num_pipes = 3,
472 	.display.has_hotplug = 1,
473 	.is_lp = 1,
474 	.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING,
475 	.has_64bit_reloc = 1,
476 	.has_runtime_pm = 1,
477 	.has_rc6 = 1,
478 	.has_logical_ring_contexts = 1,
479 	.display.has_gmch = 1,
480 	.ppgtt = INTEL_PPGTT_FULL,
481 	.has_reset_engine = 1,
482 	.has_snoop = true,
483 	.has_coherent_ggtt = false,
484 	.display_mmio_offset = VLV_DISPLAY_BASE,
485 	GEN_DEFAULT_PAGE_SIZES,
486 	GEN_CHV_PIPEOFFSETS,
487 	CURSOR_OFFSETS,
488 	CHV_COLORS,
489 };
490 
491 #define GEN9_DEFAULT_PAGE_SIZES \
492 	.page_sizes = I915_GTT_PAGE_SIZE_4K | \
493 		      I915_GTT_PAGE_SIZE_64K | \
494 		      I915_GTT_PAGE_SIZE_2M
495 
496 #define GEN9_FEATURES \
497 	GEN8_FEATURES, \
498 	GEN(9), \
499 	GEN9_DEFAULT_PAGE_SIZES, \
500 	.has_logical_ring_preemption = 1, \
501 	.display.has_csr = 1, \
502 	.has_guc = 1, \
503 	.display.has_ipc = 1, \
504 	.ddb_size = 896
505 
506 #define SKL_PLATFORM \
507 	GEN9_FEATURES, \
508 	/* Display WA #0477 WaDisableIPC: skl */ \
509 	.display.has_ipc = 0, \
510 	PLATFORM(INTEL_SKYLAKE)
511 
512 static const struct intel_device_info intel_skylake_gt1_info = {
513 	SKL_PLATFORM,
514 	.gt = 1,
515 };
516 
517 static const struct intel_device_info intel_skylake_gt2_info = {
518 	SKL_PLATFORM,
519 	.gt = 2,
520 };
521 
522 #define SKL_GT3_PLUS_PLATFORM \
523 	SKL_PLATFORM, \
524 	.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING
525 
526 
527 static const struct intel_device_info intel_skylake_gt3_info = {
528 	SKL_GT3_PLUS_PLATFORM,
529 	.gt = 3,
530 };
531 
532 static const struct intel_device_info intel_skylake_gt4_info = {
533 	SKL_GT3_PLUS_PLATFORM,
534 	.gt = 4,
535 };
536 
537 #define GEN9_LP_FEATURES \
538 	GEN(9), \
539 	.is_lp = 1, \
540 	.display.has_hotplug = 1, \
541 	.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING, \
542 	.num_pipes = 3, \
543 	.has_64bit_reloc = 1, \
544 	.display.has_ddi = 1, \
545 	.has_fpga_dbg = 1, \
546 	.display.has_fbc = 1, \
547 	.display.has_psr = 1, \
548 	.has_runtime_pm = 1, \
549 	.display.has_csr = 1, \
550 	.has_rc6 = 1, \
551 	.display.has_dp_mst = 1, \
552 	.has_logical_ring_contexts = 1, \
553 	.has_logical_ring_preemption = 1, \
554 	.has_guc = 1, \
555 	.ppgtt = INTEL_PPGTT_FULL_4LVL, \
556 	.has_reset_engine = 1, \
557 	.has_snoop = true, \
558 	.has_coherent_ggtt = false, \
559 	.display.has_ipc = 1, \
560 	GEN9_DEFAULT_PAGE_SIZES, \
561 	GEN_DEFAULT_PIPEOFFSETS, \
562 	IVB_CURSOR_OFFSETS, \
563 	BDW_COLORS
564 
565 static const struct intel_device_info intel_broxton_info = {
566 	GEN9_LP_FEATURES,
567 	PLATFORM(INTEL_BROXTON),
568 	.ddb_size = 512,
569 };
570 
571 static const struct intel_device_info intel_geminilake_info = {
572 	GEN9_LP_FEATURES,
573 	PLATFORM(INTEL_GEMINILAKE),
574 	.ddb_size = 1024,
575 	GLK_COLORS,
576 };
577 
578 #define KBL_PLATFORM \
579 	GEN9_FEATURES, \
580 	PLATFORM(INTEL_KABYLAKE)
581 
582 static const struct intel_device_info intel_kabylake_gt1_info = {
583 	KBL_PLATFORM,
584 	.gt = 1,
585 };
586 
587 static const struct intel_device_info intel_kabylake_gt2_info = {
588 	KBL_PLATFORM,
589 	.gt = 2,
590 };
591 
592 static const struct intel_device_info intel_kabylake_gt3_info = {
593 	KBL_PLATFORM,
594 	.gt = 3,
595 	.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING,
596 };
597 
598 #define CFL_PLATFORM \
599 	GEN9_FEATURES, \
600 	PLATFORM(INTEL_COFFEELAKE)
601 
602 static const struct intel_device_info intel_coffeelake_gt1_info = {
603 	CFL_PLATFORM,
604 	.gt = 1,
605 };
606 
607 static const struct intel_device_info intel_coffeelake_gt2_info = {
608 	CFL_PLATFORM,
609 	.gt = 2,
610 };
611 
612 static const struct intel_device_info intel_coffeelake_gt3_info = {
613 	CFL_PLATFORM,
614 	.gt = 3,
615 	.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING,
616 };
617 
618 #define GEN10_FEATURES \
619 	GEN9_FEATURES, \
620 	GEN(10), \
621 	.ddb_size = 1024, \
622 	.has_coherent_ggtt = false, \
623 	GLK_COLORS
624 
625 static const struct intel_device_info intel_cannonlake_info = {
626 	GEN10_FEATURES,
627 	PLATFORM(INTEL_CANNONLAKE),
628 	.gt = 2,
629 };
630 
631 #define GEN11_FEATURES \
632 	GEN10_FEATURES, \
633 	.pipe_offsets = { \
634 		[TRANSCODER_A] = PIPE_A_OFFSET, \
635 		[TRANSCODER_B] = PIPE_B_OFFSET, \
636 		[TRANSCODER_C] = PIPE_C_OFFSET, \
637 		[TRANSCODER_EDP] = PIPE_EDP_OFFSET, \
638 		[TRANSCODER_DSI_0] = PIPE_DSI0_OFFSET, \
639 		[TRANSCODER_DSI_1] = PIPE_DSI1_OFFSET, \
640 	}, \
641 	.trans_offsets = { \
642 		[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
643 		[TRANSCODER_B] = TRANSCODER_B_OFFSET, \
644 		[TRANSCODER_C] = TRANSCODER_C_OFFSET, \
645 		[TRANSCODER_EDP] = TRANSCODER_EDP_OFFSET, \
646 		[TRANSCODER_DSI_0] = TRANSCODER_DSI0_OFFSET, \
647 		[TRANSCODER_DSI_1] = TRANSCODER_DSI1_OFFSET, \
648 	}, \
649 	GEN(11), \
650 	.ddb_size = 2048, \
651 	.has_logical_ring_elsq = 1
652 
653 static const struct intel_device_info intel_icelake_11_info = {
654 	GEN11_FEATURES,
655 	PLATFORM(INTEL_ICELAKE),
656 	.is_alpha_support = 1,
657 	.ring_mask = RENDER_RING | BLT_RING | VEBOX_RING | BSD_RING | BSD3_RING,
658 };
659 
660 #undef GEN
661 #undef PLATFORM
662 
663 /*
664  * Make sure any device matches here are from most specific to most
665  * general.  For example, since the Quanta match is based on the subsystem
666  * and subvendor IDs, we need it to come before the more general IVB
667  * PCI ID matches, otherwise we'll use the wrong info struct above.
668  */
669 static const struct pci_device_id pciidlist[] = {
670 	INTEL_I830_IDS(&intel_i830_info),
671 	INTEL_I845G_IDS(&intel_i845g_info),
672 	INTEL_I85X_IDS(&intel_i85x_info),
673 	INTEL_I865G_IDS(&intel_i865g_info),
674 	INTEL_I915G_IDS(&intel_i915g_info),
675 	INTEL_I915GM_IDS(&intel_i915gm_info),
676 	INTEL_I945G_IDS(&intel_i945g_info),
677 	INTEL_I945GM_IDS(&intel_i945gm_info),
678 	INTEL_I965G_IDS(&intel_i965g_info),
679 	INTEL_G33_IDS(&intel_g33_info),
680 	INTEL_I965GM_IDS(&intel_i965gm_info),
681 	INTEL_GM45_IDS(&intel_gm45_info),
682 	INTEL_G45_IDS(&intel_g45_info),
683 	INTEL_PINEVIEW_IDS(&intel_pineview_info),
684 	INTEL_IRONLAKE_D_IDS(&intel_ironlake_d_info),
685 	INTEL_IRONLAKE_M_IDS(&intel_ironlake_m_info),
686 	INTEL_SNB_D_GT1_IDS(&intel_sandybridge_d_gt1_info),
687 	INTEL_SNB_D_GT2_IDS(&intel_sandybridge_d_gt2_info),
688 	INTEL_SNB_M_GT1_IDS(&intel_sandybridge_m_gt1_info),
689 	INTEL_SNB_M_GT2_IDS(&intel_sandybridge_m_gt2_info),
690 	INTEL_IVB_Q_IDS(&intel_ivybridge_q_info), /* must be first IVB */
691 	INTEL_IVB_M_GT1_IDS(&intel_ivybridge_m_gt1_info),
692 	INTEL_IVB_M_GT2_IDS(&intel_ivybridge_m_gt2_info),
693 	INTEL_IVB_D_GT1_IDS(&intel_ivybridge_d_gt1_info),
694 	INTEL_IVB_D_GT2_IDS(&intel_ivybridge_d_gt2_info),
695 	INTEL_HSW_GT1_IDS(&intel_haswell_gt1_info),
696 	INTEL_HSW_GT2_IDS(&intel_haswell_gt2_info),
697 	INTEL_HSW_GT3_IDS(&intel_haswell_gt3_info),
698 	INTEL_VLV_IDS(&intel_valleyview_info),
699 	INTEL_BDW_GT1_IDS(&intel_broadwell_gt1_info),
700 	INTEL_BDW_GT2_IDS(&intel_broadwell_gt2_info),
701 	INTEL_BDW_GT3_IDS(&intel_broadwell_gt3_info),
702 	INTEL_BDW_RSVD_IDS(&intel_broadwell_rsvd_info),
703 	INTEL_CHV_IDS(&intel_cherryview_info),
704 	INTEL_SKL_GT1_IDS(&intel_skylake_gt1_info),
705 	INTEL_SKL_GT2_IDS(&intel_skylake_gt2_info),
706 	INTEL_SKL_GT3_IDS(&intel_skylake_gt3_info),
707 	INTEL_SKL_GT4_IDS(&intel_skylake_gt4_info),
708 	INTEL_BXT_IDS(&intel_broxton_info),
709 	INTEL_GLK_IDS(&intel_geminilake_info),
710 	INTEL_KBL_GT1_IDS(&intel_kabylake_gt1_info),
711 	INTEL_KBL_GT2_IDS(&intel_kabylake_gt2_info),
712 	INTEL_KBL_GT3_IDS(&intel_kabylake_gt3_info),
713 	INTEL_KBL_GT4_IDS(&intel_kabylake_gt3_info),
714 	INTEL_AML_KBL_GT2_IDS(&intel_kabylake_gt2_info),
715 	INTEL_CFL_S_GT1_IDS(&intel_coffeelake_gt1_info),
716 	INTEL_CFL_S_GT2_IDS(&intel_coffeelake_gt2_info),
717 	INTEL_CFL_H_GT1_IDS(&intel_coffeelake_gt1_info),
718 	INTEL_CFL_H_GT2_IDS(&intel_coffeelake_gt2_info),
719 	INTEL_CFL_U_GT2_IDS(&intel_coffeelake_gt2_info),
720 	INTEL_CFL_U_GT3_IDS(&intel_coffeelake_gt3_info),
721 	INTEL_WHL_U_GT1_IDS(&intel_coffeelake_gt1_info),
722 	INTEL_WHL_U_GT2_IDS(&intel_coffeelake_gt2_info),
723 	INTEL_AML_CFL_GT2_IDS(&intel_coffeelake_gt2_info),
724 	INTEL_WHL_U_GT3_IDS(&intel_coffeelake_gt3_info),
725 	INTEL_CNL_IDS(&intel_cannonlake_info),
726 	INTEL_ICL_11_IDS(&intel_icelake_11_info),
727 	{0, 0, 0}
728 };
729 MODULE_DEVICE_TABLE(pci, pciidlist);
730 
731 static void i915_pci_remove(struct pci_dev *pdev)
732 {
733 	struct drm_device *dev;
734 
735 	dev = pci_get_drvdata(pdev);
736 	if (!dev) /* driver load aborted, nothing to cleanup */
737 		return;
738 
739 	i915_driver_unload(dev);
740 	drm_dev_put(dev);
741 
742 	pci_set_drvdata(pdev, NULL);
743 }
744 
745 static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
746 {
747 	struct intel_device_info *intel_info =
748 		(struct intel_device_info *) ent->driver_data;
749 	int err;
750 
751 	if (IS_ALPHA_SUPPORT(intel_info) && !i915_modparams.alpha_support) {
752 		DRM_INFO("The driver support for your hardware in this kernel version is alpha quality\n"
753 			 "See CONFIG_DRM_I915_ALPHA_SUPPORT or i915.alpha_support module parameter\n"
754 			 "to enable support in this kernel version, or check for kernel updates.\n");
755 		return -ENODEV;
756 	}
757 
758 	/* Only bind to function 0 of the device. Early generations
759 	 * used function 1 as a placeholder for multi-head. This causes
760 	 * us confusion instead, especially on the systems where both
761 	 * functions have the same PCI-ID!
762 	 */
763 	if (PCI_FUNC(pdev->devfn))
764 		return -ENODEV;
765 
766 	/*
767 	 * apple-gmux is needed on dual GPU MacBook Pro
768 	 * to probe the panel if we're the inactive GPU.
769 	 */
770 	if (vga_switcheroo_client_probe_defer(pdev))
771 		return -EPROBE_DEFER;
772 
773 	err = i915_driver_load(pdev, ent);
774 	if (err)
775 		return err;
776 
777 	if (i915_inject_load_failure()) {
778 		i915_pci_remove(pdev);
779 		return -ENODEV;
780 	}
781 
782 	err = i915_live_selftests(pdev);
783 	if (err) {
784 		i915_pci_remove(pdev);
785 		return err > 0 ? -ENOTTY : err;
786 	}
787 
788 	return 0;
789 }
790 
791 static struct pci_driver i915_pci_driver = {
792 	.name = DRIVER_NAME,
793 	.id_table = pciidlist,
794 	.probe = i915_pci_probe,
795 	.remove = i915_pci_remove,
796 	.driver.pm = &i915_pm_ops,
797 };
798 
799 static int __init i915_init(void)
800 {
801 	bool use_kms = true;
802 	int err;
803 
804 	i915_global_active_init();
805 
806 	err = i915_mock_selftests();
807 	if (err)
808 		return err > 0 ? 0 : err;
809 
810 	/*
811 	 * Enable KMS by default, unless explicitly overriden by
812 	 * either the i915.modeset prarameter or by the
813 	 * vga_text_mode_force boot option.
814 	 */
815 
816 	if (i915_modparams.modeset == 0)
817 		use_kms = false;
818 
819 	if (vgacon_text_force() && i915_modparams.modeset == -1)
820 		use_kms = false;
821 
822 	if (!use_kms) {
823 		/* Silently fail loading to not upset userspace. */
824 		DRM_DEBUG_DRIVER("KMS disabled.\n");
825 		return 0;
826 	}
827 
828 	return pci_register_driver(&i915_pci_driver);
829 }
830 
831 static void __exit i915_exit(void)
832 {
833 	if (!i915_pci_driver.driver.owner)
834 		return;
835 
836 	pci_unregister_driver(&i915_pci_driver);
837 	i915_global_active_exit();
838 }
839 
840 module_init(i915_init);
841 module_exit(i915_exit);
842 
843 MODULE_AUTHOR("Tungsten Graphics, Inc.");
844 MODULE_AUTHOR("Intel Corporation");
845 
846 MODULE_DESCRIPTION(DRIVER_DESC);
847 MODULE_LICENSE("GPL and additional rights");
848