xref: /linux/drivers/gpu/drm/i915/i915_drv.h (revision 021bc4b9)
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 #ifdef CONFIG_MMU_NOTIFIER
169 	/**
170 	 * notifier_lock for mmu notifiers, memory may not be allocated
171 	 * while holding this lock.
172 	 */
173 	rwlock_t notifier_lock;
174 #endif
175 
176 	/* shrinker accounting, also useful for userland debugging */
177 	u64 shrink_memory;
178 	u32 shrink_count;
179 };
180 
181 struct i915_virtual_gpu {
182 	struct mutex lock; /* serialises sending of g2v_notify command pkts */
183 	bool active;
184 	u32 caps;
185 	u32 *initial_mmio;
186 	u8 *initial_cfg_space;
187 	struct list_head entry;
188 };
189 
190 struct i915_selftest_stash {
191 	atomic_t counter;
192 	struct ida mock_region_instances;
193 };
194 
195 struct drm_i915_private {
196 	struct drm_device drm;
197 
198 	struct intel_display display;
199 
200 	/* FIXME: Device release actions should all be moved to drmm_ */
201 	bool do_release;
202 
203 	/* i915 device parameters */
204 	struct i915_params params;
205 
206 	const struct intel_device_info *__info; /* Use INTEL_INFO() to access. */
207 	struct intel_runtime_info __runtime; /* Use RUNTIME_INFO() to access. */
208 	struct intel_driver_caps caps;
209 
210 	struct i915_dsm dsm;
211 
212 	struct intel_uncore uncore;
213 	struct intel_uncore_mmio_debug mmio_debug;
214 
215 	struct i915_virtual_gpu vgpu;
216 
217 	struct intel_gvt *gvt;
218 
219 	struct {
220 		struct pci_dev *pdev;
221 		struct resource mch_res;
222 		bool mchbar_need_disable;
223 	} gmch;
224 
225 	/*
226 	 * Chaining user engines happens in multiple stages, starting with a
227 	 * simple lock-less linked list created by intel_engine_add_user(),
228 	 * which later gets sorted and converted to an intermediate regular
229 	 * list, just to be converted once again to its final rb tree structure
230 	 * in intel_engines_driver_register().
231 	 *
232 	 * Make sure to use the right iterator helper, depending on if the code
233 	 * in question runs before or after intel_engines_driver_register() --
234 	 * for_each_uabi_engine() can only be used afterwards!
235 	 */
236 	union {
237 		struct llist_head uabi_engines_llist;
238 		struct list_head uabi_engines_list;
239 		struct rb_root uabi_engines;
240 	};
241 	unsigned int engine_uabi_class_count[I915_LAST_UABI_ENGINE_CLASS + 1];
242 
243 	/* protects the irq masks */
244 	spinlock_t irq_lock;
245 
246 	bool display_irqs_enabled;
247 
248 	/* Sideband mailbox protection */
249 	struct mutex sb_lock;
250 	struct pm_qos_request sb_qos;
251 
252 	/** Cached value of IMR to avoid reads in updating the bitfield */
253 	union {
254 		u32 irq_mask;
255 		u32 de_irq_mask[I915_MAX_PIPES];
256 	};
257 	u32 pipestat_irq_mask[I915_MAX_PIPES];
258 
259 	bool preserve_bios_swizzle;
260 
261 	unsigned int fsb_freq, mem_freq, is_ddr3;
262 	unsigned int skl_preferred_vco_freq;
263 
264 	unsigned int max_dotclk_freq;
265 	unsigned int hpll_freq;
266 	unsigned int czclk_freq;
267 
268 	/**
269 	 * wq - Driver workqueue for GEM.
270 	 *
271 	 * NOTE: Work items scheduled here are not allowed to grab any modeset
272 	 * locks, for otherwise the flushing done in the pageflip code will
273 	 * result in deadlocks.
274 	 */
275 	struct workqueue_struct *wq;
276 
277 	/**
278 	 * unordered_wq - internal workqueue for unordered work
279 	 *
280 	 * This workqueue should be used for all unordered work
281 	 * scheduling within i915, which used to be scheduled on the
282 	 * system_wq before moving to a driver instance due
283 	 * deprecation of flush_scheduled_work().
284 	 */
285 	struct workqueue_struct *unordered_wq;
286 
287 	/* pm private clock gating functions */
288 	const struct drm_i915_clock_gating_funcs *clock_gating_funcs;
289 
290 	/* PCH chipset type */
291 	enum intel_pch pch_type;
292 	unsigned short pch_id;
293 
294 	unsigned long gem_quirks;
295 
296 	struct i915_gem_mm mm;
297 
298 	struct intel_l3_parity l3_parity;
299 
300 	/*
301 	 * edram size in MB.
302 	 * Cannot be determined by PCIID. You must always read a register.
303 	 */
304 	u32 edram_size_mb;
305 
306 	struct i915_gpu_error gpu_error;
307 
308 	u32 suspend_count;
309 	struct i915_suspend_saved_registers regfile;
310 	struct vlv_s0ix_state *vlv_s0ix_state;
311 
312 	struct dram_info {
313 		bool wm_lv_0_adjust_needed;
314 		u8 num_channels;
315 		bool symmetric_memory;
316 		enum intel_dram_type {
317 			INTEL_DRAM_UNKNOWN,
318 			INTEL_DRAM_DDR3,
319 			INTEL_DRAM_DDR4,
320 			INTEL_DRAM_LPDDR3,
321 			INTEL_DRAM_LPDDR4,
322 			INTEL_DRAM_DDR5,
323 			INTEL_DRAM_LPDDR5,
324 		} type;
325 		u8 num_qgv_points;
326 		u8 num_psf_gv_points;
327 	} dram_info;
328 
329 	struct intel_runtime_pm runtime_pm;
330 
331 	struct i915_perf perf;
332 
333 	struct i915_hwmon *hwmon;
334 
335 	struct intel_gt *gt[I915_MAX_GT];
336 
337 	struct kobject *sysfs_gt;
338 
339 	/* Quick lookup of media GT (current platforms only have one) */
340 	struct intel_gt *media_gt;
341 
342 	struct {
343 		struct i915_gem_contexts {
344 			spinlock_t lock; /* locks list */
345 			struct list_head list;
346 		} contexts;
347 
348 		/*
349 		 * We replace the local file with a global mappings as the
350 		 * backing storage for the mmap is on the device and not
351 		 * on the struct file, and we do not want to prolong the
352 		 * lifetime of the local fd. To minimise the number of
353 		 * anonymous inodes we create, we use a global singleton to
354 		 * share the global mapping.
355 		 */
356 		struct file *mmap_singleton;
357 	} gem;
358 
359 	struct intel_pxp *pxp;
360 
361 	/* For i915gm/i945gm vblank irq workaround */
362 	u8 vblank_enabled;
363 
364 	bool irq_enabled;
365 
366 	struct i915_pmu pmu;
367 
368 	/* The TTM device structure. */
369 	struct ttm_device bdev;
370 
371 	I915_SELFTEST_DECLARE(struct i915_selftest_stash selftest;)
372 
373 	/*
374 	 * NOTE: This is the dri1/ums dungeon, don't add stuff here. Your patch
375 	 * will be rejected. Instead look for a better place.
376 	 */
377 };
378 
379 static inline struct drm_i915_private *to_i915(const struct drm_device *dev)
380 {
381 	return container_of(dev, struct drm_i915_private, drm);
382 }
383 
384 static inline struct drm_i915_private *kdev_to_i915(struct device *kdev)
385 {
386 	return dev_get_drvdata(kdev);
387 }
388 
389 static inline struct drm_i915_private *pdev_to_i915(struct pci_dev *pdev)
390 {
391 	return pci_get_drvdata(pdev);
392 }
393 
394 static inline struct intel_gt *to_gt(const struct drm_i915_private *i915)
395 {
396 	return i915->gt[0];
397 }
398 
399 #define rb_to_uabi_engine(rb) \
400 	rb_entry_safe(rb, struct intel_engine_cs, uabi_node)
401 
402 #define for_each_uabi_engine(engine__, i915__) \
403 	for ((engine__) = rb_to_uabi_engine(rb_first(&(i915__)->uabi_engines));\
404 	     (engine__); \
405 	     (engine__) = rb_to_uabi_engine(rb_next(&(engine__)->uabi_node)))
406 
407 #define INTEL_INFO(i915)	((i915)->__info)
408 #define RUNTIME_INFO(i915)	(&(i915)->__runtime)
409 #define DRIVER_CAPS(i915)	(&(i915)->caps)
410 
411 #define INTEL_DEVID(i915)	(RUNTIME_INFO(i915)->device_id)
412 
413 #define IP_VER(ver, rel)		((ver) << 8 | (rel))
414 
415 #define GRAPHICS_VER(i915)		(RUNTIME_INFO(i915)->graphics.ip.ver)
416 #define GRAPHICS_VER_FULL(i915)		IP_VER(RUNTIME_INFO(i915)->graphics.ip.ver, \
417 					       RUNTIME_INFO(i915)->graphics.ip.rel)
418 #define IS_GRAPHICS_VER(i915, from, until) \
419 	(GRAPHICS_VER(i915) >= (from) && GRAPHICS_VER(i915) <= (until))
420 
421 #define MEDIA_VER(i915)			(RUNTIME_INFO(i915)->media.ip.ver)
422 #define MEDIA_VER_FULL(i915)		IP_VER(RUNTIME_INFO(i915)->media.ip.ver, \
423 					       RUNTIME_INFO(i915)->media.ip.rel)
424 #define IS_MEDIA_VER(i915, from, until) \
425 	(MEDIA_VER(i915) >= (from) && MEDIA_VER(i915) <= (until))
426 
427 #define INTEL_REVID(i915)	(to_pci_dev((i915)->drm.dev)->revision)
428 
429 #define INTEL_DISPLAY_STEP(__i915) (RUNTIME_INFO(__i915)->step.display_step)
430 #define INTEL_GRAPHICS_STEP(__i915) (RUNTIME_INFO(__i915)->step.graphics_step)
431 #define INTEL_MEDIA_STEP(__i915) (RUNTIME_INFO(__i915)->step.media_step)
432 #define INTEL_BASEDIE_STEP(__i915) (RUNTIME_INFO(__i915)->step.basedie_step)
433 
434 #define IS_DISPLAY_STEP(__i915, since, until) \
435 	(drm_WARN_ON(&(__i915)->drm, INTEL_DISPLAY_STEP(__i915) == STEP_NONE), \
436 	 INTEL_DISPLAY_STEP(__i915) >= (since) && INTEL_DISPLAY_STEP(__i915) < (until))
437 
438 #define IS_GRAPHICS_STEP(__i915, since, until) \
439 	(drm_WARN_ON(&(__i915)->drm, INTEL_GRAPHICS_STEP(__i915) == STEP_NONE), \
440 	 INTEL_GRAPHICS_STEP(__i915) >= (since) && INTEL_GRAPHICS_STEP(__i915) < (until))
441 
442 #define IS_MEDIA_STEP(__i915, since, until) \
443 	(drm_WARN_ON(&(__i915)->drm, INTEL_MEDIA_STEP(__i915) == STEP_NONE), \
444 	 INTEL_MEDIA_STEP(__i915) >= (since) && INTEL_MEDIA_STEP(__i915) < (until))
445 
446 #define IS_BASEDIE_STEP(__i915, since, until) \
447 	(drm_WARN_ON(&(__i915)->drm, INTEL_BASEDIE_STEP(__i915) == STEP_NONE), \
448 	 INTEL_BASEDIE_STEP(__i915) >= (since) && INTEL_BASEDIE_STEP(__i915) < (until))
449 
450 static __always_inline unsigned int
451 __platform_mask_index(const struct intel_runtime_info *info,
452 		      enum intel_platform p)
453 {
454 	const unsigned int pbits =
455 		BITS_PER_TYPE(info->platform_mask[0]) - INTEL_SUBPLATFORM_BITS;
456 
457 	/* Expand the platform_mask array if this fails. */
458 	BUILD_BUG_ON(INTEL_MAX_PLATFORMS >
459 		     pbits * ARRAY_SIZE(info->platform_mask));
460 
461 	return p / pbits;
462 }
463 
464 static __always_inline unsigned int
465 __platform_mask_bit(const struct intel_runtime_info *info,
466 		    enum intel_platform p)
467 {
468 	const unsigned int pbits =
469 		BITS_PER_TYPE(info->platform_mask[0]) - INTEL_SUBPLATFORM_BITS;
470 
471 	return p % pbits + INTEL_SUBPLATFORM_BITS;
472 }
473 
474 static inline u32
475 intel_subplatform(const struct intel_runtime_info *info, enum intel_platform p)
476 {
477 	const unsigned int pi = __platform_mask_index(info, p);
478 
479 	return info->platform_mask[pi] & INTEL_SUBPLATFORM_MASK;
480 }
481 
482 static __always_inline bool
483 IS_PLATFORM(const struct drm_i915_private *i915, enum intel_platform p)
484 {
485 	const struct intel_runtime_info *info = RUNTIME_INFO(i915);
486 	const unsigned int pi = __platform_mask_index(info, p);
487 	const unsigned int pb = __platform_mask_bit(info, p);
488 
489 	BUILD_BUG_ON(!__builtin_constant_p(p));
490 
491 	return info->platform_mask[pi] & BIT(pb);
492 }
493 
494 static __always_inline bool
495 IS_SUBPLATFORM(const struct drm_i915_private *i915,
496 	       enum intel_platform p, unsigned int s)
497 {
498 	const struct intel_runtime_info *info = RUNTIME_INFO(i915);
499 	const unsigned int pi = __platform_mask_index(info, p);
500 	const unsigned int pb = __platform_mask_bit(info, p);
501 	const unsigned int msb = BITS_PER_TYPE(info->platform_mask[0]) - 1;
502 	const u32 mask = info->platform_mask[pi];
503 
504 	BUILD_BUG_ON(!__builtin_constant_p(p));
505 	BUILD_BUG_ON(!__builtin_constant_p(s));
506 	BUILD_BUG_ON((s) >= INTEL_SUBPLATFORM_BITS);
507 
508 	/* Shift and test on the MSB position so sign flag can be used. */
509 	return ((mask << (msb - pb)) & (mask << (msb - s))) & BIT(msb);
510 }
511 
512 #define IS_MOBILE(i915)	(INTEL_INFO(i915)->is_mobile)
513 #define IS_DGFX(i915)   (INTEL_INFO(i915)->is_dgfx)
514 
515 #define IS_I830(i915)	IS_PLATFORM(i915, INTEL_I830)
516 #define IS_I845G(i915)	IS_PLATFORM(i915, INTEL_I845G)
517 #define IS_I85X(i915)	IS_PLATFORM(i915, INTEL_I85X)
518 #define IS_I865G(i915)	IS_PLATFORM(i915, INTEL_I865G)
519 #define IS_I915G(i915)	IS_PLATFORM(i915, INTEL_I915G)
520 #define IS_I915GM(i915)	IS_PLATFORM(i915, INTEL_I915GM)
521 #define IS_I945G(i915)	IS_PLATFORM(i915, INTEL_I945G)
522 #define IS_I945GM(i915)	IS_PLATFORM(i915, INTEL_I945GM)
523 #define IS_I965G(i915)	IS_PLATFORM(i915, INTEL_I965G)
524 #define IS_I965GM(i915)	IS_PLATFORM(i915, INTEL_I965GM)
525 #define IS_G45(i915)	IS_PLATFORM(i915, INTEL_G45)
526 #define IS_GM45(i915)	IS_PLATFORM(i915, INTEL_GM45)
527 #define IS_G4X(i915)	(IS_G45(i915) || IS_GM45(i915))
528 #define IS_PINEVIEW(i915)	IS_PLATFORM(i915, INTEL_PINEVIEW)
529 #define IS_G33(i915)	IS_PLATFORM(i915, INTEL_G33)
530 #define IS_IRONLAKE(i915)	IS_PLATFORM(i915, INTEL_IRONLAKE)
531 #define IS_IRONLAKE_M(i915) \
532 	(IS_PLATFORM(i915, INTEL_IRONLAKE) && IS_MOBILE(i915))
533 #define IS_SANDYBRIDGE(i915) IS_PLATFORM(i915, INTEL_SANDYBRIDGE)
534 #define IS_IVYBRIDGE(i915)	IS_PLATFORM(i915, INTEL_IVYBRIDGE)
535 #define IS_IVB_GT1(i915)	(IS_IVYBRIDGE(i915) && \
536 				 INTEL_INFO(i915)->gt == 1)
537 #define IS_VALLEYVIEW(i915)	IS_PLATFORM(i915, INTEL_VALLEYVIEW)
538 #define IS_CHERRYVIEW(i915)	IS_PLATFORM(i915, INTEL_CHERRYVIEW)
539 #define IS_HASWELL(i915)	IS_PLATFORM(i915, INTEL_HASWELL)
540 #define IS_BROADWELL(i915)	IS_PLATFORM(i915, INTEL_BROADWELL)
541 #define IS_SKYLAKE(i915)	IS_PLATFORM(i915, INTEL_SKYLAKE)
542 #define IS_BROXTON(i915)	IS_PLATFORM(i915, INTEL_BROXTON)
543 #define IS_KABYLAKE(i915)	IS_PLATFORM(i915, INTEL_KABYLAKE)
544 #define IS_GEMINILAKE(i915)	IS_PLATFORM(i915, INTEL_GEMINILAKE)
545 #define IS_COFFEELAKE(i915)	IS_PLATFORM(i915, INTEL_COFFEELAKE)
546 #define IS_COMETLAKE(i915)	IS_PLATFORM(i915, INTEL_COMETLAKE)
547 #define IS_ICELAKE(i915)	IS_PLATFORM(i915, INTEL_ICELAKE)
548 #define IS_JASPERLAKE(i915)	IS_PLATFORM(i915, INTEL_JASPERLAKE)
549 #define IS_ELKHARTLAKE(i915)	IS_PLATFORM(i915, INTEL_ELKHARTLAKE)
550 #define IS_TIGERLAKE(i915)	IS_PLATFORM(i915, INTEL_TIGERLAKE)
551 #define IS_ROCKETLAKE(i915)	IS_PLATFORM(i915, INTEL_ROCKETLAKE)
552 #define IS_DG1(i915)        IS_PLATFORM(i915, INTEL_DG1)
553 #define IS_ALDERLAKE_S(i915) IS_PLATFORM(i915, INTEL_ALDERLAKE_S)
554 #define IS_ALDERLAKE_P(i915) IS_PLATFORM(i915, INTEL_ALDERLAKE_P)
555 #define IS_XEHPSDV(i915) IS_PLATFORM(i915, INTEL_XEHPSDV)
556 #define IS_DG2(i915)	IS_PLATFORM(i915, INTEL_DG2)
557 #define IS_PONTEVECCHIO(i915) IS_PLATFORM(i915, INTEL_PONTEVECCHIO)
558 #define IS_METEORLAKE(i915) IS_PLATFORM(i915, INTEL_METEORLAKE)
559 #define IS_LUNARLAKE(i915) 0
560 
561 #define IS_DG2_G10(i915) \
562 	IS_SUBPLATFORM(i915, INTEL_DG2, INTEL_SUBPLATFORM_G10)
563 #define IS_DG2_G11(i915) \
564 	IS_SUBPLATFORM(i915, INTEL_DG2, INTEL_SUBPLATFORM_G11)
565 #define IS_DG2_G12(i915) \
566 	IS_SUBPLATFORM(i915, INTEL_DG2, INTEL_SUBPLATFORM_G12)
567 #define IS_RAPTORLAKE_S(i915) \
568 	IS_SUBPLATFORM(i915, INTEL_ALDERLAKE_S, INTEL_SUBPLATFORM_RPL)
569 #define IS_ALDERLAKE_P_N(i915) \
570 	IS_SUBPLATFORM(i915, INTEL_ALDERLAKE_P, INTEL_SUBPLATFORM_N)
571 #define IS_RAPTORLAKE_P(i915) \
572 	IS_SUBPLATFORM(i915, INTEL_ALDERLAKE_P, INTEL_SUBPLATFORM_RPL)
573 #define IS_RAPTORLAKE_U(i915) \
574 	IS_SUBPLATFORM(i915, INTEL_ALDERLAKE_P, INTEL_SUBPLATFORM_RPLU)
575 #define IS_HASWELL_EARLY_SDV(i915) (IS_HASWELL(i915) && \
576 				    (INTEL_DEVID(i915) & 0xFF00) == 0x0C00)
577 #define IS_BROADWELL_ULT(i915) \
578 	IS_SUBPLATFORM(i915, INTEL_BROADWELL, INTEL_SUBPLATFORM_ULT)
579 #define IS_BROADWELL_ULX(i915) \
580 	IS_SUBPLATFORM(i915, INTEL_BROADWELL, INTEL_SUBPLATFORM_ULX)
581 #define IS_BROADWELL_GT3(i915)	(IS_BROADWELL(i915) && \
582 				 INTEL_INFO(i915)->gt == 3)
583 #define IS_HASWELL_ULT(i915) \
584 	IS_SUBPLATFORM(i915, INTEL_HASWELL, INTEL_SUBPLATFORM_ULT)
585 #define IS_HASWELL_GT3(i915)	(IS_HASWELL(i915) && \
586 				 INTEL_INFO(i915)->gt == 3)
587 #define IS_HASWELL_GT1(i915)	(IS_HASWELL(i915) && \
588 				 INTEL_INFO(i915)->gt == 1)
589 /* ULX machines are also considered ULT. */
590 #define IS_HASWELL_ULX(i915) \
591 	IS_SUBPLATFORM(i915, INTEL_HASWELL, INTEL_SUBPLATFORM_ULX)
592 #define IS_SKYLAKE_ULT(i915) \
593 	IS_SUBPLATFORM(i915, INTEL_SKYLAKE, INTEL_SUBPLATFORM_ULT)
594 #define IS_SKYLAKE_ULX(i915) \
595 	IS_SUBPLATFORM(i915, INTEL_SKYLAKE, INTEL_SUBPLATFORM_ULX)
596 #define IS_KABYLAKE_ULT(i915) \
597 	IS_SUBPLATFORM(i915, INTEL_KABYLAKE, INTEL_SUBPLATFORM_ULT)
598 #define IS_KABYLAKE_ULX(i915) \
599 	IS_SUBPLATFORM(i915, INTEL_KABYLAKE, INTEL_SUBPLATFORM_ULX)
600 #define IS_SKYLAKE_GT2(i915)	(IS_SKYLAKE(i915) && \
601 				 INTEL_INFO(i915)->gt == 2)
602 #define IS_SKYLAKE_GT3(i915)	(IS_SKYLAKE(i915) && \
603 				 INTEL_INFO(i915)->gt == 3)
604 #define IS_SKYLAKE_GT4(i915)	(IS_SKYLAKE(i915) && \
605 				 INTEL_INFO(i915)->gt == 4)
606 #define IS_KABYLAKE_GT2(i915)	(IS_KABYLAKE(i915) && \
607 				 INTEL_INFO(i915)->gt == 2)
608 #define IS_KABYLAKE_GT3(i915)	(IS_KABYLAKE(i915) && \
609 				 INTEL_INFO(i915)->gt == 3)
610 #define IS_COFFEELAKE_ULT(i915) \
611 	IS_SUBPLATFORM(i915, INTEL_COFFEELAKE, INTEL_SUBPLATFORM_ULT)
612 #define IS_COFFEELAKE_ULX(i915) \
613 	IS_SUBPLATFORM(i915, INTEL_COFFEELAKE, INTEL_SUBPLATFORM_ULX)
614 #define IS_COFFEELAKE_GT2(i915)	(IS_COFFEELAKE(i915) && \
615 				 INTEL_INFO(i915)->gt == 2)
616 #define IS_COFFEELAKE_GT3(i915)	(IS_COFFEELAKE(i915) && \
617 				 INTEL_INFO(i915)->gt == 3)
618 
619 #define IS_COMETLAKE_ULT(i915) \
620 	IS_SUBPLATFORM(i915, INTEL_COMETLAKE, INTEL_SUBPLATFORM_ULT)
621 #define IS_COMETLAKE_ULX(i915) \
622 	IS_SUBPLATFORM(i915, INTEL_COMETLAKE, INTEL_SUBPLATFORM_ULX)
623 #define IS_COMETLAKE_GT2(i915)	(IS_COMETLAKE(i915) && \
624 				 INTEL_INFO(i915)->gt == 2)
625 
626 #define IS_ICL_WITH_PORT_F(i915) \
627 	IS_SUBPLATFORM(i915, INTEL_ICELAKE, INTEL_SUBPLATFORM_PORTF)
628 
629 #define IS_TIGERLAKE_UY(i915) \
630 	IS_SUBPLATFORM(i915, INTEL_TIGERLAKE, INTEL_SUBPLATFORM_UY)
631 
632 #define IS_XEHPSDV_GRAPHICS_STEP(__i915, since, until) \
633 	(IS_XEHPSDV(__i915) && IS_GRAPHICS_STEP(__i915, since, until))
634 
635 #define IS_PVC_BD_STEP(__i915, since, until) \
636 	(IS_PONTEVECCHIO(__i915) && \
637 	 IS_BASEDIE_STEP(__i915, since, until))
638 
639 #define IS_PVC_CT_STEP(__i915, since, until) \
640 	(IS_PONTEVECCHIO(__i915) && \
641 	 IS_GRAPHICS_STEP(__i915, since, until))
642 
643 #define IS_LP(i915)		(INTEL_INFO(i915)->is_lp)
644 #define IS_GEN9_LP(i915)	(GRAPHICS_VER(i915) == 9 && IS_LP(i915))
645 #define IS_GEN9_BC(i915)	(GRAPHICS_VER(i915) == 9 && !IS_LP(i915))
646 
647 #define __HAS_ENGINE(engine_mask, id) ((engine_mask) & BIT(id))
648 #define HAS_ENGINE(gt, id) __HAS_ENGINE((gt)->info.engine_mask, id)
649 
650 #define __ENGINE_INSTANCES_MASK(mask, first, count) ({			\
651 	unsigned int first__ = (first);					\
652 	unsigned int count__ = (count);					\
653 	((mask) & GENMASK(first__ + count__ - 1, first__)) >> first__;	\
654 })
655 
656 #define ENGINE_INSTANCES_MASK(gt, first, count) \
657 	__ENGINE_INSTANCES_MASK((gt)->info.engine_mask, first, count)
658 
659 #define RCS_MASK(gt) \
660 	ENGINE_INSTANCES_MASK(gt, RCS0, I915_MAX_RCS)
661 #define BCS_MASK(gt) \
662 	ENGINE_INSTANCES_MASK(gt, BCS0, I915_MAX_BCS)
663 #define VDBOX_MASK(gt) \
664 	ENGINE_INSTANCES_MASK(gt, VCS0, I915_MAX_VCS)
665 #define VEBOX_MASK(gt) \
666 	ENGINE_INSTANCES_MASK(gt, VECS0, I915_MAX_VECS)
667 #define CCS_MASK(gt) \
668 	ENGINE_INSTANCES_MASK(gt, CCS0, I915_MAX_CCS)
669 
670 #define HAS_MEDIA_RATIO_MODE(i915) (INTEL_INFO(i915)->has_media_ratio_mode)
671 
672 /*
673  * The Gen7 cmdparser copies the scanned buffer to the ggtt for execution
674  * All later gens can run the final buffer from the ppgtt
675  */
676 #define CMDPARSER_USES_GGTT(i915) (GRAPHICS_VER(i915) == 7)
677 
678 #define HAS_LLC(i915)	(INTEL_INFO(i915)->has_llc)
679 #define HAS_SNOOP(i915)	(INTEL_INFO(i915)->has_snoop)
680 #define HAS_EDRAM(i915)	((i915)->edram_size_mb)
681 #define HAS_SECURE_BATCHES(i915) (GRAPHICS_VER(i915) < 6)
682 #define HAS_WT(i915)	HAS_EDRAM(i915)
683 
684 #define HWS_NEEDS_PHYSICAL(i915)	(INTEL_INFO(i915)->hws_needs_physical)
685 
686 #define HAS_LOGICAL_RING_CONTEXTS(i915) \
687 		(INTEL_INFO(i915)->has_logical_ring_contexts)
688 #define HAS_LOGICAL_RING_ELSQ(i915) \
689 		(INTEL_INFO(i915)->has_logical_ring_elsq)
690 
691 #define HAS_EXECLISTS(i915) HAS_LOGICAL_RING_CONTEXTS(i915)
692 
693 #define INTEL_PPGTT(i915) (RUNTIME_INFO(i915)->ppgtt_type)
694 #define HAS_PPGTT(i915) \
695 	(INTEL_PPGTT(i915) != INTEL_PPGTT_NONE)
696 #define HAS_FULL_PPGTT(i915) \
697 	(INTEL_PPGTT(i915) >= INTEL_PPGTT_FULL)
698 
699 #define HAS_PAGE_SIZES(i915, sizes) ({ \
700 	GEM_BUG_ON((sizes) == 0); \
701 	((sizes) & ~RUNTIME_INFO(i915)->page_sizes) == 0; \
702 })
703 
704 /* Early gen2 have a totally busted CS tlb and require pinned batches. */
705 #define HAS_BROKEN_CS_TLB(i915)	(IS_I830(i915) || IS_I845G(i915))
706 
707 #define NEEDS_RC6_CTX_CORRUPTION_WA(i915)	\
708 	(IS_BROADWELL(i915) || GRAPHICS_VER(i915) == 9)
709 
710 /* WaRsDisableCoarsePowerGating:skl,cnl */
711 #define NEEDS_WaRsDisableCoarsePowerGating(i915)			\
712 	(IS_SKYLAKE_GT3(i915) || IS_SKYLAKE_GT4(i915))
713 
714 /* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
715  * rows, which changed the alignment requirements and fence programming.
716  */
717 #define HAS_128_BYTE_Y_TILING(i915) (GRAPHICS_VER(i915) != 2 && \
718 					 !(IS_I915G(i915) || IS_I915GM(i915)))
719 
720 #define HAS_RC6(i915)		 (INTEL_INFO(i915)->has_rc6)
721 #define HAS_RC6p(i915)		 (INTEL_INFO(i915)->has_rc6p)
722 #define HAS_RC6pp(i915)		 (false) /* HW was never validated */
723 
724 #define HAS_RPS(i915)	(INTEL_INFO(i915)->has_rps)
725 
726 #define HAS_HECI_PXP(i915) \
727 	(INTEL_INFO(i915)->has_heci_pxp)
728 
729 #define HAS_HECI_GSCFI(i915) \
730 	(INTEL_INFO(i915)->has_heci_gscfi)
731 
732 #define HAS_HECI_GSC(i915) (HAS_HECI_PXP(i915) || HAS_HECI_GSCFI(i915))
733 
734 #define HAS_RUNTIME_PM(i915) (INTEL_INFO(i915)->has_runtime_pm)
735 #define HAS_64BIT_RELOC(i915) (INTEL_INFO(i915)->has_64bit_reloc)
736 
737 #define HAS_OA_BPC_REPORTING(i915) \
738 	(INTEL_INFO(i915)->has_oa_bpc_reporting)
739 #define HAS_OA_SLICE_CONTRIB_LIMITS(i915) \
740 	(INTEL_INFO(i915)->has_oa_slice_contrib_limits)
741 #define HAS_OAM(i915) \
742 	(INTEL_INFO(i915)->has_oam)
743 
744 /*
745  * Set this flag, when platform requires 64K GTT page sizes or larger for
746  * device local memory access.
747  */
748 #define HAS_64K_PAGES(i915) (INTEL_INFO(i915)->has_64k_pages)
749 
750 #define HAS_REGION(i915, i) (INTEL_INFO(i915)->memory_regions & (i))
751 #define HAS_LMEM(i915) HAS_REGION(i915, REGION_LMEM)
752 
753 #define HAS_EXTRA_GT_LIST(i915)   (INTEL_INFO(i915)->extra_gt_list)
754 
755 /*
756  * Platform has the dedicated compression control state for each lmem surfaces
757  * stored in lmem to support the 3D and media compression formats.
758  */
759 #define HAS_FLAT_CCS(i915)   (INTEL_INFO(i915)->has_flat_ccs)
760 
761 #define HAS_GT_UC(i915)	(INTEL_INFO(i915)->has_gt_uc)
762 
763 #define HAS_POOLED_EU(i915)	(RUNTIME_INFO(i915)->has_pooled_eu)
764 
765 #define HAS_GLOBAL_MOCS_REGISTERS(i915)	(INTEL_INFO(i915)->has_global_mocs)
766 
767 #define HAS_GMD_ID(i915)	(INTEL_INFO(i915)->has_gmd_id)
768 
769 #define HAS_L3_CCS_READ(i915) (INTEL_INFO(i915)->has_l3_ccs_read)
770 
771 /* DPF == dynamic parity feature */
772 #define HAS_L3_DPF(i915) (INTEL_INFO(i915)->has_l3_dpf)
773 #define NUM_L3_SLICES(i915) (IS_HASWELL_GT3(i915) ? \
774 				 2 : HAS_L3_DPF(i915))
775 
776 #define HAS_GUC_DEPRIVILEGE(i915) \
777 	(INTEL_INFO(i915)->has_guc_deprivilege)
778 
779 #define HAS_GUC_TLB_INVALIDATION(i915)	(INTEL_INFO(i915)->has_guc_tlb_invalidation)
780 
781 #define HAS_3D_PIPELINE(i915)	(INTEL_INFO(i915)->has_3d_pipeline)
782 
783 #define HAS_ONE_EU_PER_FUSE_BIT(i915)	(INTEL_INFO(i915)->has_one_eu_per_fuse_bit)
784 
785 #define HAS_LMEMBAR_SMEM_STOLEN(i915) (!HAS_LMEM(i915) && \
786 				       GRAPHICS_VER_FULL(i915) >= IP_VER(12, 70))
787 
788 #endif
789