xref: /openbmc/linux/drivers/gpu/drm/i915/i915_pci.c (revision 16c8d76a)
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 <drm/drm_color_mgmt.h>
26 #include <drm/drm_drv.h>
27 #include <drm/i915_pciids.h>
28 
29 #include "i915_driver.h"
30 #include "i915_drv.h"
31 #include "i915_pci.h"
32 #include "i915_reg.h"
33 
34 #define PLATFORM(x) .platform = (x)
35 #define GEN(x) \
36 	.graphics.ver = (x), \
37 	.media.ver = (x), \
38 	.display.ver = (x)
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 #define ICL_COLORS \
150 	.color = { .degamma_lut_size = 33, .gamma_lut_size = 262145, \
151 		   .degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING | \
152 					DRM_COLOR_LUT_EQUAL_CHANNELS, \
153 		   .gamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
154 	}
155 
156 /* Keep in gen based order, and chronological order within a gen */
157 
158 #define GEN_DEFAULT_PAGE_SIZES \
159 	.page_sizes = I915_GTT_PAGE_SIZE_4K
160 
161 #define GEN_DEFAULT_REGIONS \
162 	.memory_regions = REGION_SMEM | REGION_STOLEN_SMEM
163 
164 #define I830_FEATURES \
165 	GEN(2), \
166 	.is_mobile = 1, \
167 	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
168 	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
169 	.display.has_overlay = 1, \
170 	.display.cursor_needs_physical = 1, \
171 	.display.overlay_needs_physical = 1, \
172 	.display.has_gmch = 1, \
173 	.gpu_reset_clobbers_display = true, \
174 	.hws_needs_physical = 1, \
175 	.unfenced_needs_alignment = 1, \
176 	.platform_engine_mask = BIT(RCS0), \
177 	.has_snoop = true, \
178 	.has_coherent_ggtt = false, \
179 	.dma_mask_size = 32, \
180 	I9XX_PIPE_OFFSETS, \
181 	I9XX_CURSOR_OFFSETS, \
182 	I9XX_COLORS, \
183 	GEN_DEFAULT_PAGE_SIZES, \
184 	GEN_DEFAULT_REGIONS
185 
186 #define I845_FEATURES \
187 	GEN(2), \
188 	.display.pipe_mask = BIT(PIPE_A), \
189 	.display.cpu_transcoder_mask = BIT(TRANSCODER_A), \
190 	.display.has_overlay = 1, \
191 	.display.overlay_needs_physical = 1, \
192 	.display.has_gmch = 1, \
193 	.gpu_reset_clobbers_display = true, \
194 	.hws_needs_physical = 1, \
195 	.unfenced_needs_alignment = 1, \
196 	.platform_engine_mask = BIT(RCS0), \
197 	.has_snoop = true, \
198 	.has_coherent_ggtt = false, \
199 	.dma_mask_size = 32, \
200 	I845_PIPE_OFFSETS, \
201 	I845_CURSOR_OFFSETS, \
202 	I9XX_COLORS, \
203 	GEN_DEFAULT_PAGE_SIZES, \
204 	GEN_DEFAULT_REGIONS
205 
206 static const struct intel_device_info i830_info = {
207 	I830_FEATURES,
208 	PLATFORM(INTEL_I830),
209 };
210 
211 static const struct intel_device_info i845g_info = {
212 	I845_FEATURES,
213 	PLATFORM(INTEL_I845G),
214 };
215 
216 static const struct intel_device_info i85x_info = {
217 	I830_FEATURES,
218 	PLATFORM(INTEL_I85X),
219 	.display.fbc_mask = BIT(INTEL_FBC_A),
220 };
221 
222 static const struct intel_device_info i865g_info = {
223 	I845_FEATURES,
224 	PLATFORM(INTEL_I865G),
225 	.display.fbc_mask = BIT(INTEL_FBC_A),
226 };
227 
228 #define GEN3_FEATURES \
229 	GEN(3), \
230 	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
231 	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
232 	.display.has_gmch = 1, \
233 	.gpu_reset_clobbers_display = true, \
234 	.platform_engine_mask = BIT(RCS0), \
235 	.has_snoop = true, \
236 	.has_coherent_ggtt = true, \
237 	.dma_mask_size = 32, \
238 	I9XX_PIPE_OFFSETS, \
239 	I9XX_CURSOR_OFFSETS, \
240 	I9XX_COLORS, \
241 	GEN_DEFAULT_PAGE_SIZES, \
242 	GEN_DEFAULT_REGIONS
243 
244 static const struct intel_device_info i915g_info = {
245 	GEN3_FEATURES,
246 	PLATFORM(INTEL_I915G),
247 	.has_coherent_ggtt = false,
248 	.display.cursor_needs_physical = 1,
249 	.display.has_overlay = 1,
250 	.display.overlay_needs_physical = 1,
251 	.hws_needs_physical = 1,
252 	.unfenced_needs_alignment = 1,
253 };
254 
255 static const struct intel_device_info i915gm_info = {
256 	GEN3_FEATURES,
257 	PLATFORM(INTEL_I915GM),
258 	.is_mobile = 1,
259 	.display.cursor_needs_physical = 1,
260 	.display.has_overlay = 1,
261 	.display.overlay_needs_physical = 1,
262 	.display.supports_tv = 1,
263 	.display.fbc_mask = BIT(INTEL_FBC_A),
264 	.hws_needs_physical = 1,
265 	.unfenced_needs_alignment = 1,
266 };
267 
268 static const struct intel_device_info i945g_info = {
269 	GEN3_FEATURES,
270 	PLATFORM(INTEL_I945G),
271 	.display.has_hotplug = 1,
272 	.display.cursor_needs_physical = 1,
273 	.display.has_overlay = 1,
274 	.display.overlay_needs_physical = 1,
275 	.hws_needs_physical = 1,
276 	.unfenced_needs_alignment = 1,
277 };
278 
279 static const struct intel_device_info i945gm_info = {
280 	GEN3_FEATURES,
281 	PLATFORM(INTEL_I945GM),
282 	.is_mobile = 1,
283 	.display.has_hotplug = 1,
284 	.display.cursor_needs_physical = 1,
285 	.display.has_overlay = 1,
286 	.display.overlay_needs_physical = 1,
287 	.display.supports_tv = 1,
288 	.display.fbc_mask = BIT(INTEL_FBC_A),
289 	.hws_needs_physical = 1,
290 	.unfenced_needs_alignment = 1,
291 };
292 
293 static const struct intel_device_info g33_info = {
294 	GEN3_FEATURES,
295 	PLATFORM(INTEL_G33),
296 	.display.has_hotplug = 1,
297 	.display.has_overlay = 1,
298 	.dma_mask_size = 36,
299 };
300 
301 static const struct intel_device_info pnv_g_info = {
302 	GEN3_FEATURES,
303 	PLATFORM(INTEL_PINEVIEW),
304 	.display.has_hotplug = 1,
305 	.display.has_overlay = 1,
306 	.dma_mask_size = 36,
307 };
308 
309 static const struct intel_device_info pnv_m_info = {
310 	GEN3_FEATURES,
311 	PLATFORM(INTEL_PINEVIEW),
312 	.is_mobile = 1,
313 	.display.has_hotplug = 1,
314 	.display.has_overlay = 1,
315 	.dma_mask_size = 36,
316 };
317 
318 #define GEN4_FEATURES \
319 	GEN(4), \
320 	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
321 	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
322 	.display.has_hotplug = 1, \
323 	.display.has_gmch = 1, \
324 	.gpu_reset_clobbers_display = true, \
325 	.platform_engine_mask = BIT(RCS0), \
326 	.has_snoop = true, \
327 	.has_coherent_ggtt = true, \
328 	.dma_mask_size = 36, \
329 	I9XX_PIPE_OFFSETS, \
330 	I9XX_CURSOR_OFFSETS, \
331 	I965_COLORS, \
332 	GEN_DEFAULT_PAGE_SIZES, \
333 	GEN_DEFAULT_REGIONS
334 
335 static const struct intel_device_info i965g_info = {
336 	GEN4_FEATURES,
337 	PLATFORM(INTEL_I965G),
338 	.display.has_overlay = 1,
339 	.hws_needs_physical = 1,
340 	.has_snoop = false,
341 };
342 
343 static const struct intel_device_info i965gm_info = {
344 	GEN4_FEATURES,
345 	PLATFORM(INTEL_I965GM),
346 	.is_mobile = 1,
347 	.display.fbc_mask = BIT(INTEL_FBC_A),
348 	.display.has_overlay = 1,
349 	.display.supports_tv = 1,
350 	.hws_needs_physical = 1,
351 	.has_snoop = false,
352 };
353 
354 static const struct intel_device_info g45_info = {
355 	GEN4_FEATURES,
356 	PLATFORM(INTEL_G45),
357 	.platform_engine_mask = BIT(RCS0) | BIT(VCS0),
358 	.gpu_reset_clobbers_display = false,
359 };
360 
361 static const struct intel_device_info gm45_info = {
362 	GEN4_FEATURES,
363 	PLATFORM(INTEL_GM45),
364 	.is_mobile = 1,
365 	.display.fbc_mask = BIT(INTEL_FBC_A),
366 	.display.supports_tv = 1,
367 	.platform_engine_mask = BIT(RCS0) | BIT(VCS0),
368 	.gpu_reset_clobbers_display = false,
369 };
370 
371 #define GEN5_FEATURES \
372 	GEN(5), \
373 	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
374 	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
375 	.display.has_hotplug = 1, \
376 	.platform_engine_mask = BIT(RCS0) | BIT(VCS0), \
377 	.has_snoop = true, \
378 	.has_coherent_ggtt = true, \
379 	/* ilk does support rc6, but we do not implement [power] contexts */ \
380 	.has_rc6 = 0, \
381 	.dma_mask_size = 36, \
382 	I9XX_PIPE_OFFSETS, \
383 	I9XX_CURSOR_OFFSETS, \
384 	ILK_COLORS, \
385 	GEN_DEFAULT_PAGE_SIZES, \
386 	GEN_DEFAULT_REGIONS
387 
388 static const struct intel_device_info ilk_d_info = {
389 	GEN5_FEATURES,
390 	PLATFORM(INTEL_IRONLAKE),
391 };
392 
393 static const struct intel_device_info ilk_m_info = {
394 	GEN5_FEATURES,
395 	PLATFORM(INTEL_IRONLAKE),
396 	.is_mobile = 1,
397 	.has_rps = true,
398 	.display.fbc_mask = BIT(INTEL_FBC_A),
399 };
400 
401 #define GEN6_FEATURES \
402 	GEN(6), \
403 	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
404 	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
405 	.display.has_hotplug = 1, \
406 	.display.fbc_mask = BIT(INTEL_FBC_A), \
407 	.platform_engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
408 	.has_coherent_ggtt = true, \
409 	.has_llc = 1, \
410 	.has_rc6 = 1, \
411 	.has_rc6p = 1, \
412 	.has_rps = true, \
413 	.dma_mask_size = 40, \
414 	.ppgtt_type = INTEL_PPGTT_ALIASING, \
415 	.ppgtt_size = 31, \
416 	I9XX_PIPE_OFFSETS, \
417 	I9XX_CURSOR_OFFSETS, \
418 	ILK_COLORS, \
419 	GEN_DEFAULT_PAGE_SIZES, \
420 	GEN_DEFAULT_REGIONS
421 
422 #define SNB_D_PLATFORM \
423 	GEN6_FEATURES, \
424 	PLATFORM(INTEL_SANDYBRIDGE)
425 
426 static const struct intel_device_info snb_d_gt1_info = {
427 	SNB_D_PLATFORM,
428 	.gt = 1,
429 };
430 
431 static const struct intel_device_info snb_d_gt2_info = {
432 	SNB_D_PLATFORM,
433 	.gt = 2,
434 };
435 
436 #define SNB_M_PLATFORM \
437 	GEN6_FEATURES, \
438 	PLATFORM(INTEL_SANDYBRIDGE), \
439 	.is_mobile = 1
440 
441 
442 static const struct intel_device_info snb_m_gt1_info = {
443 	SNB_M_PLATFORM,
444 	.gt = 1,
445 };
446 
447 static const struct intel_device_info snb_m_gt2_info = {
448 	SNB_M_PLATFORM,
449 	.gt = 2,
450 };
451 
452 #define GEN7_FEATURES  \
453 	GEN(7), \
454 	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C), \
455 	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | BIT(TRANSCODER_C), \
456 	.display.has_hotplug = 1, \
457 	.display.fbc_mask = BIT(INTEL_FBC_A), \
458 	.platform_engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
459 	.has_coherent_ggtt = true, \
460 	.has_llc = 1, \
461 	.has_rc6 = 1, \
462 	.has_rc6p = 1, \
463 	.has_reset_engine = true, \
464 	.has_rps = true, \
465 	.dma_mask_size = 40, \
466 	.ppgtt_type = INTEL_PPGTT_ALIASING, \
467 	.ppgtt_size = 31, \
468 	IVB_PIPE_OFFSETS, \
469 	IVB_CURSOR_OFFSETS, \
470 	IVB_COLORS, \
471 	GEN_DEFAULT_PAGE_SIZES, \
472 	GEN_DEFAULT_REGIONS
473 
474 #define IVB_D_PLATFORM \
475 	GEN7_FEATURES, \
476 	PLATFORM(INTEL_IVYBRIDGE), \
477 	.has_l3_dpf = 1
478 
479 static const struct intel_device_info ivb_d_gt1_info = {
480 	IVB_D_PLATFORM,
481 	.gt = 1,
482 };
483 
484 static const struct intel_device_info ivb_d_gt2_info = {
485 	IVB_D_PLATFORM,
486 	.gt = 2,
487 };
488 
489 #define IVB_M_PLATFORM \
490 	GEN7_FEATURES, \
491 	PLATFORM(INTEL_IVYBRIDGE), \
492 	.is_mobile = 1, \
493 	.has_l3_dpf = 1
494 
495 static const struct intel_device_info ivb_m_gt1_info = {
496 	IVB_M_PLATFORM,
497 	.gt = 1,
498 };
499 
500 static const struct intel_device_info ivb_m_gt2_info = {
501 	IVB_M_PLATFORM,
502 	.gt = 2,
503 };
504 
505 static const struct intel_device_info ivb_q_info = {
506 	GEN7_FEATURES,
507 	PLATFORM(INTEL_IVYBRIDGE),
508 	.gt = 2,
509 	.display.pipe_mask = 0, /* legal, last one wins */
510 	.display.cpu_transcoder_mask = 0,
511 	.has_l3_dpf = 1,
512 };
513 
514 static const struct intel_device_info vlv_info = {
515 	PLATFORM(INTEL_VALLEYVIEW),
516 	GEN(7),
517 	.is_lp = 1,
518 	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B),
519 	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B),
520 	.has_runtime_pm = 1,
521 	.has_rc6 = 1,
522 	.has_reset_engine = true,
523 	.has_rps = true,
524 	.display.has_gmch = 1,
525 	.display.has_hotplug = 1,
526 	.dma_mask_size = 40,
527 	.ppgtt_type = INTEL_PPGTT_ALIASING,
528 	.ppgtt_size = 31,
529 	.has_snoop = true,
530 	.has_coherent_ggtt = false,
531 	.platform_engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0),
532 	.display_mmio_offset = VLV_DISPLAY_BASE,
533 	I9XX_PIPE_OFFSETS,
534 	I9XX_CURSOR_OFFSETS,
535 	I965_COLORS,
536 	GEN_DEFAULT_PAGE_SIZES,
537 	GEN_DEFAULT_REGIONS,
538 };
539 
540 #define G75_FEATURES  \
541 	GEN7_FEATURES, \
542 	.platform_engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
543 	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
544 		BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP), \
545 	.display.has_ddi = 1, \
546 	.display.has_fpga_dbg = 1, \
547 	.display.has_dp_mst = 1, \
548 	.has_rc6p = 0 /* RC6p removed-by HSW */, \
549 	HSW_PIPE_OFFSETS, \
550 	.has_runtime_pm = 1
551 
552 #define HSW_PLATFORM \
553 	G75_FEATURES, \
554 	PLATFORM(INTEL_HASWELL), \
555 	.has_l3_dpf = 1
556 
557 static const struct intel_device_info hsw_gt1_info = {
558 	HSW_PLATFORM,
559 	.gt = 1,
560 };
561 
562 static const struct intel_device_info hsw_gt2_info = {
563 	HSW_PLATFORM,
564 	.gt = 2,
565 };
566 
567 static const struct intel_device_info hsw_gt3_info = {
568 	HSW_PLATFORM,
569 	.gt = 3,
570 };
571 
572 #define GEN8_FEATURES \
573 	G75_FEATURES, \
574 	GEN(8), \
575 	.has_logical_ring_contexts = 1, \
576 	.dma_mask_size = 39, \
577 	.ppgtt_type = INTEL_PPGTT_FULL, \
578 	.ppgtt_size = 48, \
579 	.has_64bit_reloc = 1
580 
581 #define BDW_PLATFORM \
582 	GEN8_FEATURES, \
583 	PLATFORM(INTEL_BROADWELL)
584 
585 static const struct intel_device_info bdw_gt1_info = {
586 	BDW_PLATFORM,
587 	.gt = 1,
588 };
589 
590 static const struct intel_device_info bdw_gt2_info = {
591 	BDW_PLATFORM,
592 	.gt = 2,
593 };
594 
595 static const struct intel_device_info bdw_rsvd_info = {
596 	BDW_PLATFORM,
597 	.gt = 3,
598 	/* According to the device ID those devices are GT3, they were
599 	 * previously treated as not GT3, keep it like that.
600 	 */
601 };
602 
603 static const struct intel_device_info bdw_gt3_info = {
604 	BDW_PLATFORM,
605 	.gt = 3,
606 	.platform_engine_mask =
607 		BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
608 };
609 
610 static const struct intel_device_info chv_info = {
611 	PLATFORM(INTEL_CHERRYVIEW),
612 	GEN(8),
613 	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C),
614 	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | BIT(TRANSCODER_C),
615 	.display.has_hotplug = 1,
616 	.is_lp = 1,
617 	.platform_engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0),
618 	.has_64bit_reloc = 1,
619 	.has_runtime_pm = 1,
620 	.has_rc6 = 1,
621 	.has_rps = true,
622 	.has_logical_ring_contexts = 1,
623 	.display.has_gmch = 1,
624 	.dma_mask_size = 39,
625 	.ppgtt_type = INTEL_PPGTT_FULL,
626 	.ppgtt_size = 32,
627 	.has_reset_engine = 1,
628 	.has_snoop = true,
629 	.has_coherent_ggtt = false,
630 	.display_mmio_offset = VLV_DISPLAY_BASE,
631 	CHV_PIPE_OFFSETS,
632 	CHV_CURSOR_OFFSETS,
633 	CHV_COLORS,
634 	GEN_DEFAULT_PAGE_SIZES,
635 	GEN_DEFAULT_REGIONS,
636 };
637 
638 #define GEN9_DEFAULT_PAGE_SIZES \
639 	.page_sizes = I915_GTT_PAGE_SIZE_4K | \
640 		      I915_GTT_PAGE_SIZE_64K
641 
642 #define GEN9_FEATURES \
643 	GEN8_FEATURES, \
644 	GEN(9), \
645 	GEN9_DEFAULT_PAGE_SIZES, \
646 	.display.has_dmc = 1, \
647 	.has_gt_uc = 1, \
648 	.display.has_hdcp = 1, \
649 	.display.has_ipc = 1, \
650 	.display.has_psr = 1, \
651 	.display.has_psr_hw_tracking = 1, \
652 	.dbuf.size = 896 - 4, /* 4 blocks for bypass path allocation */ \
653 	.dbuf.slice_mask = BIT(DBUF_S1)
654 
655 #define SKL_PLATFORM \
656 	GEN9_FEATURES, \
657 	PLATFORM(INTEL_SKYLAKE)
658 
659 static const struct intel_device_info skl_gt1_info = {
660 	SKL_PLATFORM,
661 	.gt = 1,
662 };
663 
664 static const struct intel_device_info skl_gt2_info = {
665 	SKL_PLATFORM,
666 	.gt = 2,
667 };
668 
669 #define SKL_GT3_PLUS_PLATFORM \
670 	SKL_PLATFORM, \
671 	.platform_engine_mask = \
672 		BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1)
673 
674 
675 static const struct intel_device_info skl_gt3_info = {
676 	SKL_GT3_PLUS_PLATFORM,
677 	.gt = 3,
678 };
679 
680 static const struct intel_device_info skl_gt4_info = {
681 	SKL_GT3_PLUS_PLATFORM,
682 	.gt = 4,
683 };
684 
685 #define GEN9_LP_FEATURES \
686 	GEN(9), \
687 	.is_lp = 1, \
688 	.dbuf.slice_mask = BIT(DBUF_S1), \
689 	.display.has_hotplug = 1, \
690 	.platform_engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
691 	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C), \
692 	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
693 		BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP) | \
694 		BIT(TRANSCODER_DSI_A) | BIT(TRANSCODER_DSI_C), \
695 	.has_64bit_reloc = 1, \
696 	.display.has_ddi = 1, \
697 	.display.has_fpga_dbg = 1, \
698 	.display.fbc_mask = BIT(INTEL_FBC_A), \
699 	.display.has_hdcp = 1, \
700 	.display.has_psr = 1, \
701 	.display.has_psr_hw_tracking = 1, \
702 	.has_runtime_pm = 1, \
703 	.display.has_dmc = 1, \
704 	.has_rc6 = 1, \
705 	.has_rps = true, \
706 	.display.has_dp_mst = 1, \
707 	.has_logical_ring_contexts = 1, \
708 	.has_gt_uc = 1, \
709 	.dma_mask_size = 39, \
710 	.ppgtt_type = INTEL_PPGTT_FULL, \
711 	.ppgtt_size = 48, \
712 	.has_reset_engine = 1, \
713 	.has_snoop = true, \
714 	.has_coherent_ggtt = false, \
715 	.display.has_ipc = 1, \
716 	HSW_PIPE_OFFSETS, \
717 	IVB_CURSOR_OFFSETS, \
718 	IVB_COLORS, \
719 	GEN9_DEFAULT_PAGE_SIZES, \
720 	GEN_DEFAULT_REGIONS
721 
722 static const struct intel_device_info bxt_info = {
723 	GEN9_LP_FEATURES,
724 	PLATFORM(INTEL_BROXTON),
725 	.dbuf.size = 512 - 4, /* 4 blocks for bypass path allocation */
726 };
727 
728 static const struct intel_device_info glk_info = {
729 	GEN9_LP_FEATURES,
730 	PLATFORM(INTEL_GEMINILAKE),
731 	.display.ver = 10,
732 	.dbuf.size = 1024 - 4, /* 4 blocks for bypass path allocation */
733 	GLK_COLORS,
734 };
735 
736 #define KBL_PLATFORM \
737 	GEN9_FEATURES, \
738 	PLATFORM(INTEL_KABYLAKE)
739 
740 static const struct intel_device_info kbl_gt1_info = {
741 	KBL_PLATFORM,
742 	.gt = 1,
743 };
744 
745 static const struct intel_device_info kbl_gt2_info = {
746 	KBL_PLATFORM,
747 	.gt = 2,
748 };
749 
750 static const struct intel_device_info kbl_gt3_info = {
751 	KBL_PLATFORM,
752 	.gt = 3,
753 	.platform_engine_mask =
754 		BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
755 };
756 
757 #define CFL_PLATFORM \
758 	GEN9_FEATURES, \
759 	PLATFORM(INTEL_COFFEELAKE)
760 
761 static const struct intel_device_info cfl_gt1_info = {
762 	CFL_PLATFORM,
763 	.gt = 1,
764 };
765 
766 static const struct intel_device_info cfl_gt2_info = {
767 	CFL_PLATFORM,
768 	.gt = 2,
769 };
770 
771 static const struct intel_device_info cfl_gt3_info = {
772 	CFL_PLATFORM,
773 	.gt = 3,
774 	.platform_engine_mask =
775 		BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
776 };
777 
778 #define CML_PLATFORM \
779 	GEN9_FEATURES, \
780 	PLATFORM(INTEL_COMETLAKE)
781 
782 static const struct intel_device_info cml_gt1_info = {
783 	CML_PLATFORM,
784 	.gt = 1,
785 };
786 
787 static const struct intel_device_info cml_gt2_info = {
788 	CML_PLATFORM,
789 	.gt = 2,
790 };
791 
792 #define GEN11_DEFAULT_PAGE_SIZES \
793 	.page_sizes = I915_GTT_PAGE_SIZE_4K | \
794 		      I915_GTT_PAGE_SIZE_64K | \
795 		      I915_GTT_PAGE_SIZE_2M
796 
797 #define GEN11_FEATURES \
798 	GEN9_FEATURES, \
799 	GEN11_DEFAULT_PAGE_SIZES, \
800 	.display.abox_mask = BIT(0), \
801 	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
802 		BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP) | \
803 		BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_1), \
804 	.pipe_offsets = { \
805 		[TRANSCODER_A] = PIPE_A_OFFSET, \
806 		[TRANSCODER_B] = PIPE_B_OFFSET, \
807 		[TRANSCODER_C] = PIPE_C_OFFSET, \
808 		[TRANSCODER_EDP] = PIPE_EDP_OFFSET, \
809 		[TRANSCODER_DSI_0] = PIPE_DSI0_OFFSET, \
810 		[TRANSCODER_DSI_1] = PIPE_DSI1_OFFSET, \
811 	}, \
812 	.trans_offsets = { \
813 		[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
814 		[TRANSCODER_B] = TRANSCODER_B_OFFSET, \
815 		[TRANSCODER_C] = TRANSCODER_C_OFFSET, \
816 		[TRANSCODER_EDP] = TRANSCODER_EDP_OFFSET, \
817 		[TRANSCODER_DSI_0] = TRANSCODER_DSI0_OFFSET, \
818 		[TRANSCODER_DSI_1] = TRANSCODER_DSI1_OFFSET, \
819 	}, \
820 	GEN(11), \
821 	ICL_COLORS, \
822 	.dbuf.size = 2048, \
823 	.dbuf.slice_mask = BIT(DBUF_S1) | BIT(DBUF_S2), \
824 	.display.has_dsc = 1, \
825 	.has_coherent_ggtt = false, \
826 	.has_logical_ring_elsq = 1
827 
828 static const struct intel_device_info icl_info = {
829 	GEN11_FEATURES,
830 	PLATFORM(INTEL_ICELAKE),
831 	.platform_engine_mask =
832 		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
833 };
834 
835 static const struct intel_device_info ehl_info = {
836 	GEN11_FEATURES,
837 	PLATFORM(INTEL_ELKHARTLAKE),
838 	.platform_engine_mask = BIT(RCS0) | BIT(BCS0) | BIT(VCS0) | BIT(VECS0),
839 	.ppgtt_size = 36,
840 };
841 
842 static const struct intel_device_info jsl_info = {
843 	GEN11_FEATURES,
844 	PLATFORM(INTEL_JASPERLAKE),
845 	.platform_engine_mask = BIT(RCS0) | BIT(BCS0) | BIT(VCS0) | BIT(VECS0),
846 	.ppgtt_size = 36,
847 };
848 
849 #define GEN12_FEATURES \
850 	GEN11_FEATURES, \
851 	GEN(12), \
852 	.display.abox_mask = GENMASK(2, 1), \
853 	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D), \
854 	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
855 		BIT(TRANSCODER_C) | BIT(TRANSCODER_D) | \
856 		BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_1), \
857 	.pipe_offsets = { \
858 		[TRANSCODER_A] = PIPE_A_OFFSET, \
859 		[TRANSCODER_B] = PIPE_B_OFFSET, \
860 		[TRANSCODER_C] = PIPE_C_OFFSET, \
861 		[TRANSCODER_D] = PIPE_D_OFFSET, \
862 		[TRANSCODER_DSI_0] = PIPE_DSI0_OFFSET, \
863 		[TRANSCODER_DSI_1] = PIPE_DSI1_OFFSET, \
864 	}, \
865 	.trans_offsets = { \
866 		[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
867 		[TRANSCODER_B] = TRANSCODER_B_OFFSET, \
868 		[TRANSCODER_C] = TRANSCODER_C_OFFSET, \
869 		[TRANSCODER_D] = TRANSCODER_D_OFFSET, \
870 		[TRANSCODER_DSI_0] = TRANSCODER_DSI0_OFFSET, \
871 		[TRANSCODER_DSI_1] = TRANSCODER_DSI1_OFFSET, \
872 	}, \
873 	TGL_CURSOR_OFFSETS, \
874 	.has_global_mocs = 1, \
875 	.has_pxp = 1, \
876 	.display.has_dsb = 0 /* FIXME: LUT load is broken with DSB */
877 
878 static const struct intel_device_info tgl_info = {
879 	GEN12_FEATURES,
880 	PLATFORM(INTEL_TIGERLAKE),
881 	.display.has_modular_fia = 1,
882 	.platform_engine_mask =
883 		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
884 };
885 
886 static const struct intel_device_info rkl_info = {
887 	GEN12_FEATURES,
888 	PLATFORM(INTEL_ROCKETLAKE),
889 	.display.abox_mask = BIT(0),
890 	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C),
891 	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) |
892 		BIT(TRANSCODER_C),
893 	.display.has_hti = 1,
894 	.display.has_psr_hw_tracking = 0,
895 	.platform_engine_mask =
896 		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0),
897 };
898 
899 #define DGFX_FEATURES \
900 	.memory_regions = REGION_SMEM | REGION_LMEM | REGION_STOLEN_LMEM, \
901 	.has_llc = 0, \
902 	.has_pxp = 0, \
903 	.has_snoop = 1, \
904 	.is_dgfx = 1, \
905 	.has_heci_gscfi = 1
906 
907 static const struct intel_device_info dg1_info = {
908 	GEN12_FEATURES,
909 	DGFX_FEATURES,
910 	.graphics.rel = 10,
911 	PLATFORM(INTEL_DG1),
912 	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D),
913 	.require_force_probe = 1,
914 	.platform_engine_mask =
915 		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) |
916 		BIT(VCS0) | BIT(VCS2),
917 	/* Wa_16011227922 */
918 	.ppgtt_size = 47,
919 };
920 
921 static const struct intel_device_info adl_s_info = {
922 	GEN12_FEATURES,
923 	PLATFORM(INTEL_ALDERLAKE_S),
924 	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D),
925 	.display.has_hti = 1,
926 	.display.has_psr_hw_tracking = 0,
927 	.platform_engine_mask =
928 		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
929 	.dma_mask_size = 39,
930 };
931 
932 #define XE_LPD_CURSOR_OFFSETS \
933 	.cursor_offsets = { \
934 		[PIPE_A] = CURSOR_A_OFFSET, \
935 		[PIPE_B] = IVB_CURSOR_B_OFFSET, \
936 		[PIPE_C] = IVB_CURSOR_C_OFFSET, \
937 		[PIPE_D] = TGL_CURSOR_D_OFFSET, \
938 	}
939 
940 #define XE_LPD_FEATURES \
941 	.display.abox_mask = GENMASK(1, 0),					\
942 	.color = { .degamma_lut_size = 128, .gamma_lut_size = 1024,		\
943 		   .degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING |		\
944 					DRM_COLOR_LUT_EQUAL_CHANNELS,		\
945 	},									\
946 	.dbuf.size = 4096,							\
947 	.dbuf.slice_mask = BIT(DBUF_S1) | BIT(DBUF_S2) | BIT(DBUF_S3) |		\
948 		BIT(DBUF_S4),							\
949 	.display.has_ddi = 1,							\
950 	.display.has_dmc = 1,							\
951 	.display.has_dp_mst = 1,						\
952 	.display.has_dsb = 1,							\
953 	.display.has_dsc = 1,							\
954 	.display.fbc_mask = BIT(INTEL_FBC_A),					\
955 	.display.has_fpga_dbg = 1,						\
956 	.display.has_hdcp = 1,							\
957 	.display.has_hotplug = 1,						\
958 	.display.has_ipc = 1,							\
959 	.display.has_psr = 1,							\
960 	.display.ver = 13,							\
961 	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D),	\
962 	.pipe_offsets = {							\
963 		[TRANSCODER_A] = PIPE_A_OFFSET,					\
964 		[TRANSCODER_B] = PIPE_B_OFFSET,					\
965 		[TRANSCODER_C] = PIPE_C_OFFSET,					\
966 		[TRANSCODER_D] = PIPE_D_OFFSET,					\
967 		[TRANSCODER_DSI_0] = PIPE_DSI0_OFFSET,				\
968 		[TRANSCODER_DSI_1] = PIPE_DSI1_OFFSET,				\
969 	},									\
970 	.trans_offsets = {							\
971 		[TRANSCODER_A] = TRANSCODER_A_OFFSET,				\
972 		[TRANSCODER_B] = TRANSCODER_B_OFFSET,				\
973 		[TRANSCODER_C] = TRANSCODER_C_OFFSET,				\
974 		[TRANSCODER_D] = TRANSCODER_D_OFFSET,				\
975 		[TRANSCODER_DSI_0] = TRANSCODER_DSI0_OFFSET,			\
976 		[TRANSCODER_DSI_1] = TRANSCODER_DSI1_OFFSET,			\
977 	},									\
978 	XE_LPD_CURSOR_OFFSETS
979 
980 static const struct intel_device_info adl_p_info = {
981 	GEN12_FEATURES,
982 	XE_LPD_FEATURES,
983 	PLATFORM(INTEL_ALDERLAKE_P),
984 	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) |
985 			       BIT(TRANSCODER_C) | BIT(TRANSCODER_D) |
986 			       BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_1),
987 	.display.has_cdclk_crawl = 1,
988 	.display.has_modular_fia = 1,
989 	.display.has_psr_hw_tracking = 0,
990 	.platform_engine_mask =
991 		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
992 	.ppgtt_size = 48,
993 	.dma_mask_size = 39,
994 };
995 
996 #undef GEN
997 
998 #define XE_HP_PAGE_SIZES \
999 	.page_sizes = I915_GTT_PAGE_SIZE_4K | \
1000 		      I915_GTT_PAGE_SIZE_64K | \
1001 		      I915_GTT_PAGE_SIZE_2M
1002 
1003 #define XE_HP_FEATURES \
1004 	.graphics.ver = 12, \
1005 	.graphics.rel = 50, \
1006 	XE_HP_PAGE_SIZES, \
1007 	.dma_mask_size = 46, \
1008 	.has_64bit_reloc = 1, \
1009 	.has_flat_ccs = 1, \
1010 	.has_global_mocs = 1, \
1011 	.has_gt_uc = 1, \
1012 	.has_llc = 1, \
1013 	.has_logical_ring_contexts = 1, \
1014 	.has_logical_ring_elsq = 1, \
1015 	.has_mslices = 1, \
1016 	.has_rc6 = 1, \
1017 	.has_reset_engine = 1, \
1018 	.has_rps = 1, \
1019 	.has_runtime_pm = 1, \
1020 	.ppgtt_size = 48, \
1021 	.ppgtt_type = INTEL_PPGTT_FULL
1022 
1023 #define XE_HPM_FEATURES \
1024 	.media.ver = 12, \
1025 	.media.rel = 50
1026 
1027 __maybe_unused
1028 static const struct intel_device_info xehpsdv_info = {
1029 	XE_HP_FEATURES,
1030 	XE_HPM_FEATURES,
1031 	DGFX_FEATURES,
1032 	PLATFORM(INTEL_XEHPSDV),
1033 	.display = { },
1034 	.has_64k_pages = 1,
1035 	.needs_compact_pt = 1,
1036 	.platform_engine_mask =
1037 		BIT(RCS0) | BIT(BCS0) |
1038 		BIT(VECS0) | BIT(VECS1) | BIT(VECS2) | BIT(VECS3) |
1039 		BIT(VCS0) | BIT(VCS1) | BIT(VCS2) | BIT(VCS3) |
1040 		BIT(VCS4) | BIT(VCS5) | BIT(VCS6) | BIT(VCS7),
1041 	.require_force_probe = 1,
1042 };
1043 
1044 #define DG2_FEATURES \
1045 	XE_HP_FEATURES, \
1046 	XE_HPM_FEATURES, \
1047 	DGFX_FEATURES, \
1048 	.graphics.rel = 55, \
1049 	.media.rel = 55, \
1050 	PLATFORM(INTEL_DG2), \
1051 	.has_4tile = 1, \
1052 	.has_64k_pages = 1, \
1053 	.has_guc_deprivilege = 1, \
1054 	.has_heci_pxp = 1, \
1055 	.needs_compact_pt = 1, \
1056 	.platform_engine_mask = \
1057 		BIT(RCS0) | BIT(BCS0) | \
1058 		BIT(VECS0) | BIT(VECS1) | \
1059 		BIT(VCS0) | BIT(VCS2)
1060 
1061 __maybe_unused
1062 static const struct intel_device_info dg2_info = {
1063 	DG2_FEATURES,
1064 	XE_LPD_FEATURES,
1065 	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) |
1066 			       BIT(TRANSCODER_C) | BIT(TRANSCODER_D),
1067 	.require_force_probe = 1,
1068 };
1069 
1070 __maybe_unused
1071 static const struct intel_device_info ats_m_info = {
1072 	DG2_FEATURES,
1073 	.display = { 0 },
1074 	.require_force_probe = 1,
1075 };
1076 
1077 #undef PLATFORM
1078 
1079 /*
1080  * Make sure any device matches here are from most specific to most
1081  * general.  For example, since the Quanta match is based on the subsystem
1082  * and subvendor IDs, we need it to come before the more general IVB
1083  * PCI ID matches, otherwise we'll use the wrong info struct above.
1084  */
1085 static const struct pci_device_id pciidlist[] = {
1086 	INTEL_I830_IDS(&i830_info),
1087 	INTEL_I845G_IDS(&i845g_info),
1088 	INTEL_I85X_IDS(&i85x_info),
1089 	INTEL_I865G_IDS(&i865g_info),
1090 	INTEL_I915G_IDS(&i915g_info),
1091 	INTEL_I915GM_IDS(&i915gm_info),
1092 	INTEL_I945G_IDS(&i945g_info),
1093 	INTEL_I945GM_IDS(&i945gm_info),
1094 	INTEL_I965G_IDS(&i965g_info),
1095 	INTEL_G33_IDS(&g33_info),
1096 	INTEL_I965GM_IDS(&i965gm_info),
1097 	INTEL_GM45_IDS(&gm45_info),
1098 	INTEL_G45_IDS(&g45_info),
1099 	INTEL_PINEVIEW_G_IDS(&pnv_g_info),
1100 	INTEL_PINEVIEW_M_IDS(&pnv_m_info),
1101 	INTEL_IRONLAKE_D_IDS(&ilk_d_info),
1102 	INTEL_IRONLAKE_M_IDS(&ilk_m_info),
1103 	INTEL_SNB_D_GT1_IDS(&snb_d_gt1_info),
1104 	INTEL_SNB_D_GT2_IDS(&snb_d_gt2_info),
1105 	INTEL_SNB_M_GT1_IDS(&snb_m_gt1_info),
1106 	INTEL_SNB_M_GT2_IDS(&snb_m_gt2_info),
1107 	INTEL_IVB_Q_IDS(&ivb_q_info), /* must be first IVB */
1108 	INTEL_IVB_M_GT1_IDS(&ivb_m_gt1_info),
1109 	INTEL_IVB_M_GT2_IDS(&ivb_m_gt2_info),
1110 	INTEL_IVB_D_GT1_IDS(&ivb_d_gt1_info),
1111 	INTEL_IVB_D_GT2_IDS(&ivb_d_gt2_info),
1112 	INTEL_HSW_GT1_IDS(&hsw_gt1_info),
1113 	INTEL_HSW_GT2_IDS(&hsw_gt2_info),
1114 	INTEL_HSW_GT3_IDS(&hsw_gt3_info),
1115 	INTEL_VLV_IDS(&vlv_info),
1116 	INTEL_BDW_GT1_IDS(&bdw_gt1_info),
1117 	INTEL_BDW_GT2_IDS(&bdw_gt2_info),
1118 	INTEL_BDW_GT3_IDS(&bdw_gt3_info),
1119 	INTEL_BDW_RSVD_IDS(&bdw_rsvd_info),
1120 	INTEL_CHV_IDS(&chv_info),
1121 	INTEL_SKL_GT1_IDS(&skl_gt1_info),
1122 	INTEL_SKL_GT2_IDS(&skl_gt2_info),
1123 	INTEL_SKL_GT3_IDS(&skl_gt3_info),
1124 	INTEL_SKL_GT4_IDS(&skl_gt4_info),
1125 	INTEL_BXT_IDS(&bxt_info),
1126 	INTEL_GLK_IDS(&glk_info),
1127 	INTEL_KBL_GT1_IDS(&kbl_gt1_info),
1128 	INTEL_KBL_GT2_IDS(&kbl_gt2_info),
1129 	INTEL_KBL_GT3_IDS(&kbl_gt3_info),
1130 	INTEL_KBL_GT4_IDS(&kbl_gt3_info),
1131 	INTEL_AML_KBL_GT2_IDS(&kbl_gt2_info),
1132 	INTEL_CFL_S_GT1_IDS(&cfl_gt1_info),
1133 	INTEL_CFL_S_GT2_IDS(&cfl_gt2_info),
1134 	INTEL_CFL_H_GT1_IDS(&cfl_gt1_info),
1135 	INTEL_CFL_H_GT2_IDS(&cfl_gt2_info),
1136 	INTEL_CFL_U_GT2_IDS(&cfl_gt2_info),
1137 	INTEL_CFL_U_GT3_IDS(&cfl_gt3_info),
1138 	INTEL_WHL_U_GT1_IDS(&cfl_gt1_info),
1139 	INTEL_WHL_U_GT2_IDS(&cfl_gt2_info),
1140 	INTEL_AML_CFL_GT2_IDS(&cfl_gt2_info),
1141 	INTEL_WHL_U_GT3_IDS(&cfl_gt3_info),
1142 	INTEL_CML_GT1_IDS(&cml_gt1_info),
1143 	INTEL_CML_GT2_IDS(&cml_gt2_info),
1144 	INTEL_CML_U_GT1_IDS(&cml_gt1_info),
1145 	INTEL_CML_U_GT2_IDS(&cml_gt2_info),
1146 	INTEL_ICL_11_IDS(&icl_info),
1147 	INTEL_EHL_IDS(&ehl_info),
1148 	INTEL_JSL_IDS(&jsl_info),
1149 	INTEL_TGL_12_IDS(&tgl_info),
1150 	INTEL_RKL_IDS(&rkl_info),
1151 	INTEL_ADLS_IDS(&adl_s_info),
1152 	INTEL_ADLP_IDS(&adl_p_info),
1153 	INTEL_ADLN_IDS(&adl_p_info),
1154 	INTEL_DG1_IDS(&dg1_info),
1155 	INTEL_RPLS_IDS(&adl_s_info),
1156 	{0, 0, 0}
1157 };
1158 MODULE_DEVICE_TABLE(pci, pciidlist);
1159 
1160 static void i915_pci_remove(struct pci_dev *pdev)
1161 {
1162 	struct drm_i915_private *i915;
1163 
1164 	i915 = pci_get_drvdata(pdev);
1165 	if (!i915) /* driver load aborted, nothing to cleanup */
1166 		return;
1167 
1168 	i915_driver_remove(i915);
1169 	pci_set_drvdata(pdev, NULL);
1170 }
1171 
1172 /* is device_id present in comma separated list of ids */
1173 static bool force_probe(u16 device_id, const char *devices)
1174 {
1175 	char *s, *p, *tok;
1176 	bool ret;
1177 
1178 	if (!devices || !*devices)
1179 		return false;
1180 
1181 	/* match everything */
1182 	if (strcmp(devices, "*") == 0)
1183 		return true;
1184 
1185 	s = kstrdup(devices, GFP_KERNEL);
1186 	if (!s)
1187 		return false;
1188 
1189 	for (p = s, ret = false; (tok = strsep(&p, ",")) != NULL; ) {
1190 		u16 val;
1191 
1192 		if (kstrtou16(tok, 16, &val) == 0 && val == device_id) {
1193 			ret = true;
1194 			break;
1195 		}
1196 	}
1197 
1198 	kfree(s);
1199 
1200 	return ret;
1201 }
1202 
1203 static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1204 {
1205 	struct intel_device_info *intel_info =
1206 		(struct intel_device_info *) ent->driver_data;
1207 	int err;
1208 
1209 	if (intel_info->require_force_probe &&
1210 	    !force_probe(pdev->device, i915_modparams.force_probe)) {
1211 		dev_info(&pdev->dev,
1212 			 "Your graphics device %04x is not properly supported by the driver in this\n"
1213 			 "kernel version. To force driver probe anyway, use i915.force_probe=%04x\n"
1214 			 "module parameter or CONFIG_DRM_I915_FORCE_PROBE=%04x configuration option,\n"
1215 			 "or (recommended) check for kernel updates.\n",
1216 			 pdev->device, pdev->device, pdev->device);
1217 		return -ENODEV;
1218 	}
1219 
1220 	/* Only bind to function 0 of the device. Early generations
1221 	 * used function 1 as a placeholder for multi-head. This causes
1222 	 * us confusion instead, especially on the systems where both
1223 	 * functions have the same PCI-ID!
1224 	 */
1225 	if (PCI_FUNC(pdev->devfn))
1226 		return -ENODEV;
1227 
1228 	/* Detect if we need to wait for other drivers early on */
1229 	if (intel_modeset_probe_defer(pdev))
1230 		return -EPROBE_DEFER;
1231 
1232 	err = i915_driver_probe(pdev, ent);
1233 	if (err)
1234 		return err;
1235 
1236 	if (i915_inject_probe_failure(pci_get_drvdata(pdev))) {
1237 		i915_pci_remove(pdev);
1238 		return -ENODEV;
1239 	}
1240 
1241 	err = i915_live_selftests(pdev);
1242 	if (err) {
1243 		i915_pci_remove(pdev);
1244 		return err > 0 ? -ENOTTY : err;
1245 	}
1246 
1247 	err = i915_perf_selftests(pdev);
1248 	if (err) {
1249 		i915_pci_remove(pdev);
1250 		return err > 0 ? -ENOTTY : err;
1251 	}
1252 
1253 	return 0;
1254 }
1255 
1256 static void i915_pci_shutdown(struct pci_dev *pdev)
1257 {
1258 	struct drm_i915_private *i915 = pci_get_drvdata(pdev);
1259 
1260 	i915_driver_shutdown(i915);
1261 }
1262 
1263 static struct pci_driver i915_pci_driver = {
1264 	.name = DRIVER_NAME,
1265 	.id_table = pciidlist,
1266 	.probe = i915_pci_probe,
1267 	.remove = i915_pci_remove,
1268 	.shutdown = i915_pci_shutdown,
1269 	.driver.pm = &i915_pm_ops,
1270 };
1271 
1272 int i915_pci_register_driver(void)
1273 {
1274 	return pci_register_driver(&i915_pci_driver);
1275 }
1276 
1277 void i915_pci_unregister_driver(void)
1278 {
1279 	pci_unregister_driver(&i915_pci_driver);
1280 }
1281