xref: /linux/drivers/gpu/drm/i915/i915_drv.h (revision 4b132aacb0768ac1e652cf517097ea6f237214b9)
1 /* i915_drv.h -- Private header for the I915 driver -*- linux-c -*-
2  */
3 /*
4  *
5  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
6  * All Rights Reserved.
7  *
8  * Permission is hereby granted, free of charge, to any person obtaining a
9  * copy of this software and associated documentation files (the
10  * "Software"), to deal in the Software without restriction, including
11  * without limitation the rights to use, copy, modify, merge, publish,
12  * distribute, sub license, and/or sell copies of the Software, and to
13  * permit persons to whom the Software is furnished to do so, subject to
14  * the following conditions:
15  *
16  * The above copyright notice and this permission notice (including the
17  * next paragraph) shall be included in all copies or substantial portions
18  * of the Software.
19  *
20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
21  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
23  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
24  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
25  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
26  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27  *
28  */
29 
30 #ifndef _I915_DRV_H_
31 #define _I915_DRV_H_
32 
33 #include <uapi/drm/i915_drm.h>
34 
35 #include <linux/pm_qos.h>
36 
37 #include <drm/ttm/ttm_device.h>
38 
39 #include "display/intel_display_limits.h"
40 #include "display/intel_display_core.h"
41 
42 #include "gem/i915_gem_context_types.h"
43 #include "gem/i915_gem_shrinker.h"
44 #include "gem/i915_gem_stolen.h"
45 
46 #include "gt/intel_engine.h"
47 #include "gt/intel_gt_types.h"
48 #include "gt/intel_region_lmem.h"
49 #include "gt/intel_workarounds.h"
50 #include "gt/uc/intel_uc.h"
51 
52 #include "soc/intel_pch.h"
53 
54 #include "i915_drm_client.h"
55 #include "i915_gem.h"
56 #include "i915_gpu_error.h"
57 #include "i915_params.h"
58 #include "i915_perf_types.h"
59 #include "i915_scheduler.h"
60 #include "i915_utils.h"
61 #include "intel_device_info.h"
62 #include "intel_memory_region.h"
63 #include "intel_runtime_pm.h"
64 #include "intel_step.h"
65 #include "intel_uncore.h"
66 
67 struct drm_i915_clock_gating_funcs;
68 struct vlv_s0ix_state;
69 struct intel_pxp;
70 
71 #define GEM_QUIRK_PIN_SWIZZLED_PAGES	BIT(0)
72 
73 /* Data Stolen Memory (DSM) aka "i915 stolen memory" */
74 struct i915_dsm {
75 	/*
76 	 * The start and end of DSM which we can optionally use to create GEM
77 	 * objects backed by stolen memory.
78 	 *
79 	 * Note that usable_size tells us exactly how much of this we are
80 	 * actually allowed to use, given that some portion of it is in fact
81 	 * reserved for use by hardware functions.
82 	 */
83 	struct resource stolen;
84 
85 	/*
86 	 * Reserved portion of DSM.
87 	 */
88 	struct resource reserved;
89 
90 	/*
91 	 * Total size minus reserved ranges.
92 	 *
93 	 * DSM is segmented in hardware with different portions offlimits to
94 	 * certain functions.
95 	 *
96 	 * The drm_mm is initialised to the total accessible range, as found
97 	 * from the PCI config. On Broadwell+, this is further restricted to
98 	 * avoid the first page! The upper end of DSM is reserved for hardware
99 	 * functions and similarly removed from the accessible range.
100 	 */
101 	resource_size_t usable_size;
102 };
103 
104 struct i915_suspend_saved_registers {
105 	u32 saveDSPARB;
106 	u32 saveSWF0[16];
107 	u32 saveSWF1[16];
108 	u32 saveSWF3[3];
109 	u16 saveGCDGMBUS;
110 };
111 
112 #define MAX_L3_SLICES 2
113 struct intel_l3_parity {
114 	u32 *remap_info[MAX_L3_SLICES];
115 	struct work_struct error_work;
116 	int which_slice;
117 };
118 
119 struct i915_gem_mm {
120 	/*
121 	 * Shortcut for the stolen region. This points to either
122 	 * INTEL_REGION_STOLEN_SMEM for integrated platforms, or
123 	 * INTEL_REGION_STOLEN_LMEM for discrete, or NULL if the device doesn't
124 	 * support stolen.
125 	 */
126 	struct intel_memory_region *stolen_region;
127 	/** Memory allocator for GTT stolen memory */
128 	struct drm_mm stolen;
129 	/** Protects the usage of the GTT stolen memory allocator. This is
130 	 * always the inner lock when overlapping with struct_mutex. */
131 	struct mutex stolen_lock;
132 
133 	/* Protects bound_list/unbound_list and #drm_i915_gem_object.mm.link */
134 	spinlock_t obj_lock;
135 
136 	/**
137 	 * List of objects which are purgeable.
138 	 */
139 	struct list_head purge_list;
140 
141 	/**
142 	 * List of objects which have allocated pages and are shrinkable.
143 	 */
144 	struct list_head shrink_list;
145 
146 	/**
147 	 * List of objects which are pending destruction.
148 	 */
149 	struct llist_head free_list;
150 	struct work_struct free_work;
151 	/**
152 	 * Count of objects pending destructions. Used to skip needlessly
153 	 * waiting on an RCU barrier if no objects are waiting to be freed.
154 	 */
155 	atomic_t free_count;
156 
157 	/**
158 	 * tmpfs instance used for shmem backed objects
159 	 */
160 	struct vfsmount *gemfs;
161 
162 	struct intel_memory_region *regions[INTEL_REGION_UNKNOWN];
163 
164 	struct notifier_block oom_notifier;
165 	struct notifier_block vmap_notifier;
166 	struct shrinker *shrinker;
167 
168 	/* shrinker accounting, also useful for userland debugging */
169 	u64 shrink_memory;
170 	u32 shrink_count;
171 };
172 
173 struct i915_virtual_gpu {
174 	struct mutex lock; /* serialises sending of g2v_notify command pkts */
175 	bool active;
176 	u32 caps;
177 	u32 *initial_mmio;
178 	u8 *initial_cfg_space;
179 	struct list_head entry;
180 };
181 
182 struct i915_selftest_stash {
183 	atomic_t counter;
184 	struct ida mock_region_instances;
185 };
186 
187 struct drm_i915_private {
188 	struct drm_device drm;
189 
190 	struct intel_display display;
191 
192 	/* FIXME: Device release actions should all be moved to drmm_ */
193 	bool do_release;
194 
195 	/* i915 device parameters */
196 	struct i915_params params;
197 
198 	const struct intel_device_info *__info; /* Use INTEL_INFO() to access. */
199 	struct intel_runtime_info __runtime; /* Use RUNTIME_INFO() to access. */
200 	struct intel_driver_caps caps;
201 
202 	struct i915_dsm dsm;
203 
204 	struct intel_uncore uncore;
205 	struct intel_uncore_mmio_debug mmio_debug;
206 
207 	struct i915_virtual_gpu vgpu;
208 
209 	struct intel_gvt *gvt;
210 
211 	struct {
212 		struct pci_dev *pdev;
213 		struct resource mch_res;
214 		bool mchbar_need_disable;
215 	} gmch;
216 
217 	/*
218 	 * Chaining user engines happens in multiple stages, starting with a
219 	 * simple lock-less linked list created by intel_engine_add_user(),
220 	 * which later gets sorted and converted to an intermediate regular
221 	 * list, just to be converted once again to its final rb tree structure
222 	 * in intel_engines_driver_register().
223 	 *
224 	 * Make sure to use the right iterator helper, depending on if the code
225 	 * in question runs before or after intel_engines_driver_register() --
226 	 * for_each_uabi_engine() can only be used afterwards!
227 	 */
228 	union {
229 		struct llist_head uabi_engines_llist;
230 		struct list_head uabi_engines_list;
231 		struct rb_root uabi_engines;
232 	};
233 	unsigned int engine_uabi_class_count[I915_LAST_UABI_ENGINE_CLASS + 1];
234 
235 	/* protects the irq masks */
236 	spinlock_t irq_lock;
237 
238 	/* Sideband mailbox protection */
239 	struct mutex sb_lock;
240 	struct pm_qos_request sb_qos;
241 
242 	/** Cached value of IMR to avoid reads in updating the bitfield */
243 	u32 irq_mask;
244 
245 	bool preserve_bios_swizzle;
246 
247 	unsigned int fsb_freq, mem_freq, is_ddr3;
248 
249 	unsigned int hpll_freq;
250 	unsigned int czclk_freq;
251 
252 	/**
253 	 * wq - Driver workqueue for GEM.
254 	 *
255 	 * NOTE: Work items scheduled here are not allowed to grab any modeset
256 	 * locks, for otherwise the flushing done in the pageflip code will
257 	 * result in deadlocks.
258 	 */
259 	struct workqueue_struct *wq;
260 
261 	/**
262 	 * unordered_wq - internal workqueue for unordered work
263 	 *
264 	 * This workqueue should be used for all unordered work
265 	 * scheduling within i915, which used to be scheduled on the
266 	 * system_wq before moving to a driver instance due
267 	 * deprecation of flush_scheduled_work().
268 	 */
269 	struct workqueue_struct *unordered_wq;
270 
271 	/* pm private clock gating functions */
272 	const struct drm_i915_clock_gating_funcs *clock_gating_funcs;
273 
274 	/* PCH chipset type */
275 	enum intel_pch pch_type;
276 	unsigned short pch_id;
277 
278 	unsigned long gem_quirks;
279 
280 	struct i915_gem_mm mm;
281 
282 	struct intel_l3_parity l3_parity;
283 
284 	/*
285 	 * edram size in MB.
286 	 * Cannot be determined by PCIID. You must always read a register.
287 	 */
288 	u32 edram_size_mb;
289 
290 	struct i915_gpu_error gpu_error;
291 
292 	u32 suspend_count;
293 	struct i915_suspend_saved_registers regfile;
294 	struct vlv_s0ix_state *vlv_s0ix_state;
295 
296 	struct dram_info {
297 		bool wm_lv_0_adjust_needed;
298 		u8 num_channels;
299 		bool symmetric_memory;
300 		enum intel_dram_type {
301 			INTEL_DRAM_UNKNOWN,
302 			INTEL_DRAM_DDR3,
303 			INTEL_DRAM_DDR4,
304 			INTEL_DRAM_LPDDR3,
305 			INTEL_DRAM_LPDDR4,
306 			INTEL_DRAM_DDR5,
307 			INTEL_DRAM_LPDDR5,
308 			INTEL_DRAM_GDDR,
309 		} type;
310 		u8 num_qgv_points;
311 		u8 num_psf_gv_points;
312 	} dram_info;
313 
314 	struct intel_runtime_pm runtime_pm;
315 
316 	struct i915_perf perf;
317 
318 	struct i915_hwmon *hwmon;
319 
320 	struct intel_gt *gt[I915_MAX_GT];
321 
322 	struct kobject *sysfs_gt;
323 
324 	/* Quick lookup of media GT (current platforms only have one) */
325 	struct intel_gt *media_gt;
326 
327 	struct {
328 		struct i915_gem_contexts {
329 			spinlock_t lock; /* locks list */
330 			struct list_head list;
331 		} contexts;
332 
333 		/*
334 		 * We replace the local file with a global mappings as the
335 		 * backing storage for the mmap is on the device and not
336 		 * on the struct file, and we do not want to prolong the
337 		 * lifetime of the local fd. To minimise the number of
338 		 * anonymous inodes we create, we use a global singleton to
339 		 * share the global mapping.
340 		 */
341 		struct file *mmap_singleton;
342 	} gem;
343 
344 	struct intel_pxp *pxp;
345 
346 	bool irq_enabled;
347 
348 	struct i915_pmu pmu;
349 
350 	/* The TTM device structure. */
351 	struct ttm_device bdev;
352 
353 	I915_SELFTEST_DECLARE(struct i915_selftest_stash selftest;)
354 
355 	/*
356 	 * NOTE: This is the dri1/ums dungeon, don't add stuff here. Your patch
357 	 * will be rejected. Instead look for a better place.
358 	 */
359 };
360 
361 static inline struct drm_i915_private *to_i915(const struct drm_device *dev)
362 {
363 	return container_of(dev, struct drm_i915_private, drm);
364 }
365 
366 static inline struct drm_i915_private *kdev_to_i915(struct device *kdev)
367 {
368 	return dev_get_drvdata(kdev);
369 }
370 
371 static inline struct drm_i915_private *pdev_to_i915(struct pci_dev *pdev)
372 {
373 	return pci_get_drvdata(pdev);
374 }
375 
376 static inline struct intel_gt *to_gt(const struct drm_i915_private *i915)
377 {
378 	return i915->gt[0];
379 }
380 
381 #define rb_to_uabi_engine(rb) \
382 	rb_entry_safe(rb, struct intel_engine_cs, uabi_node)
383 
384 #define for_each_uabi_engine(engine__, i915__) \
385 	for ((engine__) = rb_to_uabi_engine(rb_first(&(i915__)->uabi_engines));\
386 	     (engine__); \
387 	     (engine__) = rb_to_uabi_engine(rb_next(&(engine__)->uabi_node)))
388 
389 #define INTEL_INFO(i915)	((i915)->__info)
390 #define RUNTIME_INFO(i915)	(&(i915)->__runtime)
391 #define DRIVER_CAPS(i915)	(&(i915)->caps)
392 
393 #define INTEL_DEVID(i915)	(RUNTIME_INFO(i915)->device_id)
394 
395 #define IP_VER(ver, rel)		((ver) << 8 | (rel))
396 
397 #define GRAPHICS_VER(i915)		(RUNTIME_INFO(i915)->graphics.ip.ver)
398 #define GRAPHICS_VER_FULL(i915)		IP_VER(RUNTIME_INFO(i915)->graphics.ip.ver, \
399 					       RUNTIME_INFO(i915)->graphics.ip.rel)
400 #define IS_GRAPHICS_VER(i915, from, until) \
401 	(GRAPHICS_VER(i915) >= (from) && GRAPHICS_VER(i915) <= (until))
402 
403 #define MEDIA_VER(i915)			(RUNTIME_INFO(i915)->media.ip.ver)
404 #define MEDIA_VER_FULL(i915)		IP_VER(RUNTIME_INFO(i915)->media.ip.ver, \
405 					       RUNTIME_INFO(i915)->media.ip.rel)
406 #define IS_MEDIA_VER(i915, from, until) \
407 	(MEDIA_VER(i915) >= (from) && MEDIA_VER(i915) <= (until))
408 
409 #define INTEL_REVID(i915)	(to_pci_dev((i915)->drm.dev)->revision)
410 
411 #define INTEL_DISPLAY_STEP(__i915) (RUNTIME_INFO(__i915)->step.display_step)
412 #define INTEL_GRAPHICS_STEP(__i915) (RUNTIME_INFO(__i915)->step.graphics_step)
413 #define INTEL_MEDIA_STEP(__i915) (RUNTIME_INFO(__i915)->step.media_step)
414 #define INTEL_BASEDIE_STEP(__i915) (RUNTIME_INFO(__i915)->step.basedie_step)
415 
416 #define IS_DISPLAY_STEP(__i915, since, until) \
417 	(drm_WARN_ON(&(__i915)->drm, INTEL_DISPLAY_STEP(__i915) == STEP_NONE), \
418 	 INTEL_DISPLAY_STEP(__i915) >= (since) && INTEL_DISPLAY_STEP(__i915) < (until))
419 
420 #define IS_GRAPHICS_STEP(__i915, since, until) \
421 	(drm_WARN_ON(&(__i915)->drm, INTEL_GRAPHICS_STEP(__i915) == STEP_NONE), \
422 	 INTEL_GRAPHICS_STEP(__i915) >= (since) && INTEL_GRAPHICS_STEP(__i915) < (until))
423 
424 #define IS_MEDIA_STEP(__i915, since, until) \
425 	(drm_WARN_ON(&(__i915)->drm, INTEL_MEDIA_STEP(__i915) == STEP_NONE), \
426 	 INTEL_MEDIA_STEP(__i915) >= (since) && INTEL_MEDIA_STEP(__i915) < (until))
427 
428 #define IS_BASEDIE_STEP(__i915, since, until) \
429 	(drm_WARN_ON(&(__i915)->drm, INTEL_BASEDIE_STEP(__i915) == STEP_NONE), \
430 	 INTEL_BASEDIE_STEP(__i915) >= (since) && INTEL_BASEDIE_STEP(__i915) < (until))
431 
432 static __always_inline unsigned int
433 __platform_mask_index(const struct intel_runtime_info *info,
434 		      enum intel_platform p)
435 {
436 	const unsigned int pbits =
437 		BITS_PER_TYPE(info->platform_mask[0]) - INTEL_SUBPLATFORM_BITS;
438 
439 	/* Expand the platform_mask array if this fails. */
440 	BUILD_BUG_ON(INTEL_MAX_PLATFORMS >
441 		     pbits * ARRAY_SIZE(info->platform_mask));
442 
443 	return p / pbits;
444 }
445 
446 static __always_inline unsigned int
447 __platform_mask_bit(const struct intel_runtime_info *info,
448 		    enum intel_platform p)
449 {
450 	const unsigned int pbits =
451 		BITS_PER_TYPE(info->platform_mask[0]) - INTEL_SUBPLATFORM_BITS;
452 
453 	return p % pbits + INTEL_SUBPLATFORM_BITS;
454 }
455 
456 static inline u32
457 intel_subplatform(const struct intel_runtime_info *info, enum intel_platform p)
458 {
459 	const unsigned int pi = __platform_mask_index(info, p);
460 
461 	return info->platform_mask[pi] & INTEL_SUBPLATFORM_MASK;
462 }
463 
464 static __always_inline bool
465 IS_PLATFORM(const struct drm_i915_private *i915, enum intel_platform p)
466 {
467 	const struct intel_runtime_info *info = RUNTIME_INFO(i915);
468 	const unsigned int pi = __platform_mask_index(info, p);
469 	const unsigned int pb = __platform_mask_bit(info, p);
470 
471 	BUILD_BUG_ON(!__builtin_constant_p(p));
472 
473 	return info->platform_mask[pi] & BIT(pb);
474 }
475 
476 static __always_inline bool
477 IS_SUBPLATFORM(const struct drm_i915_private *i915,
478 	       enum intel_platform p, unsigned int s)
479 {
480 	const struct intel_runtime_info *info = RUNTIME_INFO(i915);
481 	const unsigned int pi = __platform_mask_index(info, p);
482 	const unsigned int pb = __platform_mask_bit(info, p);
483 	const unsigned int msb = BITS_PER_TYPE(info->platform_mask[0]) - 1;
484 	const u32 mask = info->platform_mask[pi];
485 
486 	BUILD_BUG_ON(!__builtin_constant_p(p));
487 	BUILD_BUG_ON(!__builtin_constant_p(s));
488 	BUILD_BUG_ON((s) >= INTEL_SUBPLATFORM_BITS);
489 
490 	/* Shift and test on the MSB position so sign flag can be used. */
491 	return ((mask << (msb - pb)) & (mask << (msb - s))) & BIT(msb);
492 }
493 
494 #define IS_MOBILE(i915)	(INTEL_INFO(i915)->is_mobile)
495 #define IS_DGFX(i915)   (INTEL_INFO(i915)->is_dgfx)
496 
497 #define IS_I830(i915)	IS_PLATFORM(i915, INTEL_I830)
498 #define IS_I845G(i915)	IS_PLATFORM(i915, INTEL_I845G)
499 #define IS_I85X(i915)	IS_PLATFORM(i915, INTEL_I85X)
500 #define IS_I865G(i915)	IS_PLATFORM(i915, INTEL_I865G)
501 #define IS_I915G(i915)	IS_PLATFORM(i915, INTEL_I915G)
502 #define IS_I915GM(i915)	IS_PLATFORM(i915, INTEL_I915GM)
503 #define IS_I945G(i915)	IS_PLATFORM(i915, INTEL_I945G)
504 #define IS_I945GM(i915)	IS_PLATFORM(i915, INTEL_I945GM)
505 #define IS_I965G(i915)	IS_PLATFORM(i915, INTEL_I965G)
506 #define IS_I965GM(i915)	IS_PLATFORM(i915, INTEL_I965GM)
507 #define IS_G45(i915)	IS_PLATFORM(i915, INTEL_G45)
508 #define IS_GM45(i915)	IS_PLATFORM(i915, INTEL_GM45)
509 #define IS_G4X(i915)	(IS_G45(i915) || IS_GM45(i915))
510 #define IS_PINEVIEW(i915)	IS_PLATFORM(i915, INTEL_PINEVIEW)
511 #define IS_G33(i915)	IS_PLATFORM(i915, INTEL_G33)
512 #define IS_IRONLAKE(i915)	IS_PLATFORM(i915, INTEL_IRONLAKE)
513 #define IS_IRONLAKE_M(i915) \
514 	(IS_PLATFORM(i915, INTEL_IRONLAKE) && IS_MOBILE(i915))
515 #define IS_SANDYBRIDGE(i915) IS_PLATFORM(i915, INTEL_SANDYBRIDGE)
516 #define IS_IVYBRIDGE(i915)	IS_PLATFORM(i915, INTEL_IVYBRIDGE)
517 #define IS_IVB_GT1(i915)	(IS_IVYBRIDGE(i915) && \
518 				 INTEL_INFO(i915)->gt == 1)
519 #define IS_VALLEYVIEW(i915)	IS_PLATFORM(i915, INTEL_VALLEYVIEW)
520 #define IS_CHERRYVIEW(i915)	IS_PLATFORM(i915, INTEL_CHERRYVIEW)
521 #define IS_HASWELL(i915)	IS_PLATFORM(i915, INTEL_HASWELL)
522 #define IS_BROADWELL(i915)	IS_PLATFORM(i915, INTEL_BROADWELL)
523 #define IS_SKYLAKE(i915)	IS_PLATFORM(i915, INTEL_SKYLAKE)
524 #define IS_BROXTON(i915)	IS_PLATFORM(i915, INTEL_BROXTON)
525 #define IS_KABYLAKE(i915)	IS_PLATFORM(i915, INTEL_KABYLAKE)
526 #define IS_GEMINILAKE(i915)	IS_PLATFORM(i915, INTEL_GEMINILAKE)
527 #define IS_COFFEELAKE(i915)	IS_PLATFORM(i915, INTEL_COFFEELAKE)
528 #define IS_COMETLAKE(i915)	IS_PLATFORM(i915, INTEL_COMETLAKE)
529 #define IS_ICELAKE(i915)	IS_PLATFORM(i915, INTEL_ICELAKE)
530 #define IS_JASPERLAKE(i915)	IS_PLATFORM(i915, INTEL_JASPERLAKE)
531 #define IS_ELKHARTLAKE(i915)	IS_PLATFORM(i915, INTEL_ELKHARTLAKE)
532 #define IS_TIGERLAKE(i915)	IS_PLATFORM(i915, INTEL_TIGERLAKE)
533 #define IS_ROCKETLAKE(i915)	IS_PLATFORM(i915, INTEL_ROCKETLAKE)
534 #define IS_DG1(i915)        IS_PLATFORM(i915, INTEL_DG1)
535 #define IS_ALDERLAKE_S(i915) IS_PLATFORM(i915, INTEL_ALDERLAKE_S)
536 #define IS_ALDERLAKE_P(i915) IS_PLATFORM(i915, INTEL_ALDERLAKE_P)
537 #define IS_DG2(i915)	IS_PLATFORM(i915, INTEL_DG2)
538 #define IS_METEORLAKE(i915) IS_PLATFORM(i915, INTEL_METEORLAKE)
539 /*
540  * Display code shared by i915 and Xe relies on macros like IS_LUNARLAKE,
541  * so we need to define these even on platforms that the i915 base driver
542  * doesn't support.  Ensure the parameter is used in the definition to
543  * avoid 'unused variable' warnings when compiling the shared display code
544  * for i915.
545  */
546 #define IS_LUNARLAKE(i915) (0 && i915)
547 #define IS_BATTLEMAGE(i915)  (0 && i915)
548 
549 #define IS_ARROWLAKE(i915) \
550 	IS_SUBPLATFORM(i915, INTEL_METEORLAKE, INTEL_SUBPLATFORM_ARL)
551 #define IS_DG2_G10(i915) \
552 	IS_SUBPLATFORM(i915, INTEL_DG2, INTEL_SUBPLATFORM_G10)
553 #define IS_DG2_G11(i915) \
554 	IS_SUBPLATFORM(i915, INTEL_DG2, INTEL_SUBPLATFORM_G11)
555 #define IS_DG2_G12(i915) \
556 	IS_SUBPLATFORM(i915, INTEL_DG2, INTEL_SUBPLATFORM_G12)
557 #define IS_RAPTORLAKE_S(i915) \
558 	IS_SUBPLATFORM(i915, INTEL_ALDERLAKE_S, INTEL_SUBPLATFORM_RPL)
559 #define IS_ALDERLAKE_P_N(i915) \
560 	IS_SUBPLATFORM(i915, INTEL_ALDERLAKE_P, INTEL_SUBPLATFORM_N)
561 #define IS_RAPTORLAKE_P(i915) \
562 	IS_SUBPLATFORM(i915, INTEL_ALDERLAKE_P, INTEL_SUBPLATFORM_RPL)
563 #define IS_RAPTORLAKE_U(i915) \
564 	IS_SUBPLATFORM(i915, INTEL_ALDERLAKE_P, INTEL_SUBPLATFORM_RPLU)
565 #define IS_HASWELL_EARLY_SDV(i915) (IS_HASWELL(i915) && \
566 				    (INTEL_DEVID(i915) & 0xFF00) == 0x0C00)
567 #define IS_BROADWELL_ULT(i915) \
568 	IS_SUBPLATFORM(i915, INTEL_BROADWELL, INTEL_SUBPLATFORM_ULT)
569 #define IS_BROADWELL_ULX(i915) \
570 	IS_SUBPLATFORM(i915, INTEL_BROADWELL, INTEL_SUBPLATFORM_ULX)
571 #define IS_BROADWELL_GT3(i915)	(IS_BROADWELL(i915) && \
572 				 INTEL_INFO(i915)->gt == 3)
573 #define IS_HASWELL_ULT(i915) \
574 	IS_SUBPLATFORM(i915, INTEL_HASWELL, INTEL_SUBPLATFORM_ULT)
575 #define IS_HASWELL_GT3(i915)	(IS_HASWELL(i915) && \
576 				 INTEL_INFO(i915)->gt == 3)
577 #define IS_HASWELL_GT1(i915)	(IS_HASWELL(i915) && \
578 				 INTEL_INFO(i915)->gt == 1)
579 /* ULX machines are also considered ULT. */
580 #define IS_HASWELL_ULX(i915) \
581 	IS_SUBPLATFORM(i915, INTEL_HASWELL, INTEL_SUBPLATFORM_ULX)
582 #define IS_SKYLAKE_ULT(i915) \
583 	IS_SUBPLATFORM(i915, INTEL_SKYLAKE, INTEL_SUBPLATFORM_ULT)
584 #define IS_SKYLAKE_ULX(i915) \
585 	IS_SUBPLATFORM(i915, INTEL_SKYLAKE, INTEL_SUBPLATFORM_ULX)
586 #define IS_KABYLAKE_ULT(i915) \
587 	IS_SUBPLATFORM(i915, INTEL_KABYLAKE, INTEL_SUBPLATFORM_ULT)
588 #define IS_KABYLAKE_ULX(i915) \
589 	IS_SUBPLATFORM(i915, INTEL_KABYLAKE, INTEL_SUBPLATFORM_ULX)
590 #define IS_SKYLAKE_GT2(i915)	(IS_SKYLAKE(i915) && \
591 				 INTEL_INFO(i915)->gt == 2)
592 #define IS_SKYLAKE_GT3(i915)	(IS_SKYLAKE(i915) && \
593 				 INTEL_INFO(i915)->gt == 3)
594 #define IS_SKYLAKE_GT4(i915)	(IS_SKYLAKE(i915) && \
595 				 INTEL_INFO(i915)->gt == 4)
596 #define IS_KABYLAKE_GT2(i915)	(IS_KABYLAKE(i915) && \
597 				 INTEL_INFO(i915)->gt == 2)
598 #define IS_KABYLAKE_GT3(i915)	(IS_KABYLAKE(i915) && \
599 				 INTEL_INFO(i915)->gt == 3)
600 #define IS_COFFEELAKE_ULT(i915) \
601 	IS_SUBPLATFORM(i915, INTEL_COFFEELAKE, INTEL_SUBPLATFORM_ULT)
602 #define IS_COFFEELAKE_ULX(i915) \
603 	IS_SUBPLATFORM(i915, INTEL_COFFEELAKE, INTEL_SUBPLATFORM_ULX)
604 #define IS_COFFEELAKE_GT2(i915)	(IS_COFFEELAKE(i915) && \
605 				 INTEL_INFO(i915)->gt == 2)
606 #define IS_COFFEELAKE_GT3(i915)	(IS_COFFEELAKE(i915) && \
607 				 INTEL_INFO(i915)->gt == 3)
608 
609 #define IS_COMETLAKE_ULT(i915) \
610 	IS_SUBPLATFORM(i915, INTEL_COMETLAKE, INTEL_SUBPLATFORM_ULT)
611 #define IS_COMETLAKE_ULX(i915) \
612 	IS_SUBPLATFORM(i915, INTEL_COMETLAKE, INTEL_SUBPLATFORM_ULX)
613 #define IS_COMETLAKE_GT2(i915)	(IS_COMETLAKE(i915) && \
614 				 INTEL_INFO(i915)->gt == 2)
615 
616 #define IS_ICL_WITH_PORT_F(i915) \
617 	IS_SUBPLATFORM(i915, INTEL_ICELAKE, INTEL_SUBPLATFORM_PORTF)
618 
619 #define IS_TIGERLAKE_UY(i915) \
620 	IS_SUBPLATFORM(i915, INTEL_TIGERLAKE, INTEL_SUBPLATFORM_UY)
621 
622 #define IS_LP(i915)		(INTEL_INFO(i915)->is_lp)
623 #define IS_GEN9_LP(i915)	(GRAPHICS_VER(i915) == 9 && IS_LP(i915))
624 #define IS_GEN9_BC(i915)	(GRAPHICS_VER(i915) == 9 && !IS_LP(i915))
625 
626 #define __HAS_ENGINE(engine_mask, id) ((engine_mask) & BIT(id))
627 #define HAS_ENGINE(gt, id) __HAS_ENGINE((gt)->info.engine_mask, id)
628 
629 #define __ENGINE_INSTANCES_MASK(mask, first, count) ({			\
630 	unsigned int first__ = (first);					\
631 	unsigned int count__ = (count);					\
632 	((mask) & GENMASK(first__ + count__ - 1, first__)) >> first__;	\
633 })
634 
635 #define ENGINE_INSTANCES_MASK(gt, first, count) \
636 	__ENGINE_INSTANCES_MASK((gt)->info.engine_mask, first, count)
637 
638 #define RCS_MASK(gt) \
639 	ENGINE_INSTANCES_MASK(gt, RCS0, I915_MAX_RCS)
640 #define BCS_MASK(gt) \
641 	ENGINE_INSTANCES_MASK(gt, BCS0, I915_MAX_BCS)
642 #define VDBOX_MASK(gt) \
643 	ENGINE_INSTANCES_MASK(gt, VCS0, I915_MAX_VCS)
644 #define VEBOX_MASK(gt) \
645 	ENGINE_INSTANCES_MASK(gt, VECS0, I915_MAX_VECS)
646 #define CCS_MASK(gt) \
647 	ENGINE_INSTANCES_MASK(gt, CCS0, I915_MAX_CCS)
648 
649 #define HAS_MEDIA_RATIO_MODE(i915) (INTEL_INFO(i915)->has_media_ratio_mode)
650 
651 /*
652  * The Gen7 cmdparser copies the scanned buffer to the ggtt for execution
653  * All later gens can run the final buffer from the ppgtt
654  */
655 #define CMDPARSER_USES_GGTT(i915) (GRAPHICS_VER(i915) == 7)
656 
657 #define HAS_LLC(i915)	(INTEL_INFO(i915)->has_llc)
658 #define HAS_SNOOP(i915)	(INTEL_INFO(i915)->has_snoop)
659 #define HAS_EDRAM(i915)	((i915)->edram_size_mb)
660 #define HAS_SECURE_BATCHES(i915) (GRAPHICS_VER(i915) < 6)
661 #define HAS_WT(i915)	HAS_EDRAM(i915)
662 
663 #define HWS_NEEDS_PHYSICAL(i915)	(INTEL_INFO(i915)->hws_needs_physical)
664 
665 #define HAS_LOGICAL_RING_CONTEXTS(i915) \
666 		(INTEL_INFO(i915)->has_logical_ring_contexts)
667 #define HAS_LOGICAL_RING_ELSQ(i915) \
668 		(INTEL_INFO(i915)->has_logical_ring_elsq)
669 
670 #define HAS_EXECLISTS(i915) HAS_LOGICAL_RING_CONTEXTS(i915)
671 
672 #define INTEL_PPGTT(i915) (RUNTIME_INFO(i915)->ppgtt_type)
673 #define HAS_PPGTT(i915) \
674 	(INTEL_PPGTT(i915) != INTEL_PPGTT_NONE)
675 #define HAS_FULL_PPGTT(i915) \
676 	(INTEL_PPGTT(i915) >= INTEL_PPGTT_FULL)
677 
678 #define HAS_PAGE_SIZES(i915, sizes) ({ \
679 	GEM_BUG_ON((sizes) == 0); \
680 	((sizes) & ~RUNTIME_INFO(i915)->page_sizes) == 0; \
681 })
682 
683 /* Early gen2 have a totally busted CS tlb and require pinned batches. */
684 #define HAS_BROKEN_CS_TLB(i915)	(IS_I830(i915) || IS_I845G(i915))
685 
686 #define NEEDS_RC6_CTX_CORRUPTION_WA(i915)	\
687 	(IS_BROADWELL(i915) || GRAPHICS_VER(i915) == 9)
688 
689 /* WaRsDisableCoarsePowerGating:skl,cnl */
690 #define NEEDS_WaRsDisableCoarsePowerGating(i915)			\
691 	(IS_SKYLAKE_GT3(i915) || IS_SKYLAKE_GT4(i915))
692 
693 /* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
694  * rows, which changed the alignment requirements and fence programming.
695  */
696 #define HAS_128_BYTE_Y_TILING(i915) (GRAPHICS_VER(i915) != 2 && \
697 					 !(IS_I915G(i915) || IS_I915GM(i915)))
698 
699 #define HAS_RC6(i915)		 (INTEL_INFO(i915)->has_rc6)
700 #define HAS_RC6p(i915)		 (INTEL_INFO(i915)->has_rc6p)
701 #define HAS_RC6pp(i915)		 (false) /* HW was never validated */
702 
703 #define HAS_RPS(i915)	(INTEL_INFO(i915)->has_rps)
704 
705 #define HAS_HECI_PXP(i915) \
706 	(INTEL_INFO(i915)->has_heci_pxp)
707 
708 #define HAS_HECI_GSCFI(i915) \
709 	(INTEL_INFO(i915)->has_heci_gscfi)
710 
711 #define HAS_HECI_GSC(i915) (HAS_HECI_PXP(i915) || HAS_HECI_GSCFI(i915))
712 
713 #define HAS_RUNTIME_PM(i915) (INTEL_INFO(i915)->has_runtime_pm)
714 #define HAS_64BIT_RELOC(i915) (INTEL_INFO(i915)->has_64bit_reloc)
715 
716 #define HAS_OA_BPC_REPORTING(i915) \
717 	(INTEL_INFO(i915)->has_oa_bpc_reporting)
718 #define HAS_OA_SLICE_CONTRIB_LIMITS(i915) \
719 	(INTEL_INFO(i915)->has_oa_slice_contrib_limits)
720 #define HAS_OAM(i915) \
721 	(INTEL_INFO(i915)->has_oam)
722 
723 /*
724  * Set this flag, when platform requires 64K GTT page sizes or larger for
725  * device local memory access.
726  */
727 #define HAS_64K_PAGES(i915) (INTEL_INFO(i915)->has_64k_pages)
728 
729 #define HAS_REGION(i915, id) (INTEL_INFO(i915)->memory_regions & BIT(id))
730 #define HAS_LMEM(i915) HAS_REGION(i915, INTEL_REGION_LMEM_0)
731 
732 #define HAS_EXTRA_GT_LIST(i915)   (INTEL_INFO(i915)->extra_gt_list)
733 
734 /*
735  * Platform has the dedicated compression control state for each lmem surfaces
736  * stored in lmem to support the 3D and media compression formats.
737  */
738 #define HAS_FLAT_CCS(i915)   (INTEL_INFO(i915)->has_flat_ccs)
739 
740 #define HAS_GT_UC(i915)	(INTEL_INFO(i915)->has_gt_uc)
741 
742 #define HAS_POOLED_EU(i915)	(RUNTIME_INFO(i915)->has_pooled_eu)
743 
744 #define HAS_GLOBAL_MOCS_REGISTERS(i915)	(INTEL_INFO(i915)->has_global_mocs)
745 
746 #define HAS_GMD_ID(i915)	(INTEL_INFO(i915)->has_gmd_id)
747 
748 #define HAS_L3_CCS_READ(i915) (INTEL_INFO(i915)->has_l3_ccs_read)
749 
750 /* DPF == dynamic parity feature */
751 #define HAS_L3_DPF(i915) (INTEL_INFO(i915)->has_l3_dpf)
752 #define NUM_L3_SLICES(i915) (IS_HASWELL_GT3(i915) ? \
753 				 2 : HAS_L3_DPF(i915))
754 
755 #define HAS_GUC_DEPRIVILEGE(i915) \
756 	(INTEL_INFO(i915)->has_guc_deprivilege)
757 
758 #define HAS_GUC_TLB_INVALIDATION(i915)	(INTEL_INFO(i915)->has_guc_tlb_invalidation)
759 
760 #define HAS_3D_PIPELINE(i915)	(INTEL_INFO(i915)->has_3d_pipeline)
761 
762 #define HAS_ONE_EU_PER_FUSE_BIT(i915)	(INTEL_INFO(i915)->has_one_eu_per_fuse_bit)
763 
764 #define HAS_LMEMBAR_SMEM_STOLEN(i915) (!HAS_LMEM(i915) && \
765 				       GRAPHICS_VER_FULL(i915) >= IP_VER(12, 70))
766 
767 #endif
768