drm/i915/audio: define the audio struct separately from drm_i915_private
[platform/kernel/linux-rpi.git] / drivers / gpu / drm / i915 / i915_drv.h
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 #include <uapi/drm/drm_fourcc.h>
35
36 #include <asm/hypervisor.h>
37
38 #include <linux/io-mapping.h>
39 #include <linux/i2c.h>
40 #include <linux/i2c-algo-bit.h>
41 #include <linux/backlight.h>
42 #include <linux/hash.h>
43 #include <linux/intel-iommu.h>
44 #include <linux/kref.h>
45 #include <linux/mm_types.h>
46 #include <linux/perf_event.h>
47 #include <linux/pm_qos.h>
48 #include <linux/dma-resv.h>
49 #include <linux/shmem_fs.h>
50 #include <linux/stackdepot.h>
51 #include <linux/xarray.h>
52
53 #include <drm/intel-gtt.h>
54 #include <drm/drm_gem.h>
55 #include <drm/drm_auth.h>
56 #include <drm/drm_cache.h>
57 #include <drm/drm_util.h>
58 #include <drm/drm_dsc.h>
59 #include <drm/drm_atomic.h>
60 #include <drm/drm_connector.h>
61 #include <drm/i915_mei_hdcp_interface.h>
62 #include <drm/ttm/ttm_device.h>
63
64 #include "i915_params.h"
65 #include "i915_reg.h"
66 #include "i915_utils.h"
67
68 #include "display/intel_bios.h"
69 #include "display/intel_display.h"
70 #include "display/intel_display_power.h"
71 #include "display/intel_dmc.h"
72 #include "display/intel_dpll_mgr.h"
73 #include "display/intel_dsb.h"
74 #include "display/intel_frontbuffer.h"
75 #include "display/intel_global_state.h"
76 #include "display/intel_gmbus.h"
77 #include "display/intel_opregion.h"
78
79 #include "gem/i915_gem_context_types.h"
80 #include "gem/i915_gem_shrinker.h"
81 #include "gem/i915_gem_stolen.h"
82 #include "gem/i915_gem_lmem.h"
83
84 #include "gt/intel_engine.h"
85 #include "gt/intel_gt_types.h"
86 #include "gt/intel_region_lmem.h"
87 #include "gt/intel_workarounds.h"
88 #include "gt/uc/intel_uc.h"
89
90 #include "intel_device_info.h"
91 #include "intel_memory_region.h"
92 #include "intel_pch.h"
93 #include "intel_runtime_pm.h"
94 #include "intel_step.h"
95 #include "intel_uncore.h"
96 #include "intel_wakeref.h"
97 #include "intel_wopcm.h"
98
99 #include "i915_gem.h"
100 #include "i915_gem_gtt.h"
101 #include "i915_gpu_error.h"
102 #include "i915_perf_types.h"
103 #include "i915_request.h"
104 #include "i915_scheduler.h"
105 #include "gt/intel_timeline.h"
106 #include "i915_vma.h"
107 #include "i915_irq.h"
108
109
110 /* General customization:
111  */
112
113 #define DRIVER_NAME             "i915"
114 #define DRIVER_DESC             "Intel Graphics"
115 #define DRIVER_DATE             "20201103"
116 #define DRIVER_TIMESTAMP        1604406085
117
118 struct drm_i915_gem_object;
119
120 enum hpd_pin {
121         HPD_NONE = 0,
122         HPD_TV = HPD_NONE,     /* TV is known to be unreliable */
123         HPD_CRT,
124         HPD_SDVO_B,
125         HPD_SDVO_C,
126         HPD_PORT_A,
127         HPD_PORT_B,
128         HPD_PORT_C,
129         HPD_PORT_D,
130         HPD_PORT_E,
131         HPD_PORT_TC1,
132         HPD_PORT_TC2,
133         HPD_PORT_TC3,
134         HPD_PORT_TC4,
135         HPD_PORT_TC5,
136         HPD_PORT_TC6,
137
138         HPD_NUM_PINS
139 };
140
141 #define for_each_hpd_pin(__pin) \
142         for ((__pin) = (HPD_NONE + 1); (__pin) < HPD_NUM_PINS; (__pin)++)
143
144 /* Threshold == 5 for long IRQs, 50 for short */
145 #define HPD_STORM_DEFAULT_THRESHOLD 50
146
147 struct i915_hotplug {
148         struct delayed_work hotplug_work;
149
150         const u32 *hpd, *pch_hpd;
151
152         struct {
153                 unsigned long last_jiffies;
154                 int count;
155                 enum {
156                         HPD_ENABLED = 0,
157                         HPD_DISABLED = 1,
158                         HPD_MARK_DISABLED = 2
159                 } state;
160         } stats[HPD_NUM_PINS];
161         u32 event_bits;
162         u32 retry_bits;
163         struct delayed_work reenable_work;
164
165         u32 long_port_mask;
166         u32 short_port_mask;
167         struct work_struct dig_port_work;
168
169         struct work_struct poll_init_work;
170         bool poll_enabled;
171
172         unsigned int hpd_storm_threshold;
173         /* Whether or not to count short HPD IRQs in HPD storms */
174         u8 hpd_short_storm_enabled;
175
176         /*
177          * if we get a HPD irq from DP and a HPD irq from non-DP
178          * the non-DP HPD could block the workqueue on a mode config
179          * mutex getting, that userspace may have taken. However
180          * userspace is waiting on the DP workqueue to run which is
181          * blocked behind the non-DP one.
182          */
183         struct workqueue_struct *dp_wq;
184 };
185
186 #define I915_GEM_GPU_DOMAINS \
187         (I915_GEM_DOMAIN_RENDER | \
188          I915_GEM_DOMAIN_SAMPLER | \
189          I915_GEM_DOMAIN_COMMAND | \
190          I915_GEM_DOMAIN_INSTRUCTION | \
191          I915_GEM_DOMAIN_VERTEX)
192
193 struct drm_i915_private;
194 struct i915_mm_struct;
195 struct i915_mmu_object;
196
197 struct drm_i915_file_private {
198         struct drm_i915_private *dev_priv;
199
200         union {
201                 struct drm_file *file;
202                 struct rcu_head rcu;
203         };
204
205         /** @proto_context_lock: Guards all struct i915_gem_proto_context
206          * operations
207          *
208          * This not only guards @proto_context_xa, but is always held
209          * whenever we manipulate any struct i915_gem_proto_context,
210          * including finalizing it on first actual use of the GEM context.
211          *
212          * See i915_gem_proto_context.
213          */
214         struct mutex proto_context_lock;
215
216         /** @proto_context_xa: xarray of struct i915_gem_proto_context
217          *
218          * Historically, the context uAPI allowed for two methods of
219          * setting context parameters: SET_CONTEXT_PARAM and
220          * CONTEXT_CREATE_EXT_SETPARAM.  The former is allowed to be called
221          * at any time while the later happens as part of
222          * GEM_CONTEXT_CREATE.  Everything settable via one was settable
223          * via the other.  While some params are fairly simple and setting
224          * them on a live context is harmless such as the context priority,
225          * others are far trickier such as the VM or the set of engines.
226          * In order to swap out the VM, for instance, we have to delay
227          * until all current in-flight work is complete, swap in the new
228          * VM, and then continue.  This leads to a plethora of potential
229          * race conditions we'd really rather avoid.
230          *
231          * We have since disallowed setting these more complex parameters
232          * on active contexts.  This works by delaying the creation of the
233          * actual context until after the client is done configuring it
234          * with SET_CONTEXT_PARAM.  From the perspective of the client, it
235          * has the same u32 context ID the whole time.  From the
236          * perspective of i915, however, it's a struct i915_gem_proto_context
237          * right up until the point where we attempt to do something which
238          * the proto-context can't handle.  Then the struct i915_gem_context
239          * gets created.
240          *
241          * This is accomplished via a little xarray dance.  When
242          * GEM_CONTEXT_CREATE is called, we create a struct
243          * i915_gem_proto_context, reserve a slot in @context_xa but leave
244          * it NULL, and place the proto-context in the corresponding slot
245          * in @proto_context_xa.  Then, in i915_gem_context_lookup(), we
246          * first check @context_xa.  If it's there, we return the struct
247          * i915_gem_context and we're done.  If it's not, we look in
248          * @proto_context_xa and, if we find it there, we create the actual
249          * context and kill the proto-context.
250          *
251          * In order for this dance to work properly, everything which ever
252          * touches a struct i915_gem_proto_context is guarded by
253          * @proto_context_lock, including context creation.  Yes, this
254          * means context creation now takes a giant global lock but it
255          * can't really be helped and that should never be on any driver's
256          * fast-path anyway.
257          */
258         struct xarray proto_context_xa;
259
260         /** @context_xa: xarray of fully created i915_gem_context
261          *
262          * Write access to this xarray is guarded by @proto_context_lock.
263          * Otherwise, writers may race with finalize_create_context_locked().
264          *
265          * See @proto_context_xa.
266          */
267         struct xarray context_xa;
268         struct xarray vm_xa;
269
270         unsigned int bsd_engine;
271
272 /*
273  * Every context ban increments per client ban score. Also
274  * hangs in short succession increments ban score. If ban threshold
275  * is reached, client is considered banned and submitting more work
276  * will fail. This is a stop gap measure to limit the badly behaving
277  * clients access to gpu. Note that unbannable contexts never increment
278  * the client ban score.
279  */
280 #define I915_CLIENT_SCORE_HANG_FAST     1
281 #define   I915_CLIENT_FAST_HANG_JIFFIES (60 * HZ)
282 #define I915_CLIENT_SCORE_CONTEXT_BAN   3
283 #define I915_CLIENT_SCORE_BANNED        9
284         /** ban_score: Accumulated score of all ctx bans and fast hangs. */
285         atomic_t ban_score;
286         unsigned long hang_timestamp;
287 };
288
289 /* Interface history:
290  *
291  * 1.1: Original.
292  * 1.2: Add Power Management
293  * 1.3: Add vblank support
294  * 1.4: Fix cmdbuffer path, add heap destroy
295  * 1.5: Add vblank pipe configuration
296  * 1.6: - New ioctl for scheduling buffer swaps on vertical blank
297  *      - Support vertical blank on secondary display pipe
298  */
299 #define DRIVER_MAJOR            1
300 #define DRIVER_MINOR            6
301 #define DRIVER_PATCHLEVEL       0
302
303 struct intel_overlay;
304 struct intel_overlay_error_state;
305
306 struct sdvo_device_mapping {
307         u8 initialized;
308         u8 dvo_port;
309         u8 slave_addr;
310         u8 dvo_wiring;
311         u8 i2c_pin;
312         u8 ddc_pin;
313 };
314
315 struct intel_connector;
316 struct intel_encoder;
317 struct intel_atomic_state;
318 struct intel_cdclk_config;
319 struct intel_cdclk_state;
320 struct intel_cdclk_vals;
321 struct intel_initial_plane_config;
322 struct intel_crtc;
323 struct intel_limit;
324 struct dpll;
325
326 /* functions used internal in intel_pm.c */
327 struct drm_i915_clock_gating_funcs {
328         void (*init_clock_gating)(struct drm_i915_private *dev_priv);
329 };
330
331 /* functions used for watermark calcs for display. */
332 struct drm_i915_wm_disp_funcs {
333         /* update_wm is for legacy wm management */
334         void (*update_wm)(struct drm_i915_private *dev_priv);
335         int (*compute_pipe_wm)(struct intel_atomic_state *state,
336                                struct intel_crtc *crtc);
337         int (*compute_intermediate_wm)(struct intel_atomic_state *state,
338                                        struct intel_crtc *crtc);
339         void (*initial_watermarks)(struct intel_atomic_state *state,
340                                    struct intel_crtc *crtc);
341         void (*atomic_update_watermarks)(struct intel_atomic_state *state,
342                                          struct intel_crtc *crtc);
343         void (*optimize_watermarks)(struct intel_atomic_state *state,
344                                     struct intel_crtc *crtc);
345         int (*compute_global_watermarks)(struct intel_atomic_state *state);
346 };
347
348 struct intel_color_funcs {
349         int (*color_check)(struct intel_crtc_state *crtc_state);
350         /*
351          * Program double buffered color management registers during
352          * vblank evasion. The registers should then latch during the
353          * next vblank start, alongside any other double buffered registers
354          * involved with the same commit.
355          */
356         void (*color_commit)(const struct intel_crtc_state *crtc_state);
357         /*
358          * Load LUTs (and other single buffered color management
359          * registers). Will (hopefully) be called during the vblank
360          * following the latching of any double buffered registers
361          * involved with the same commit.
362          */
363         void (*load_luts)(const struct intel_crtc_state *crtc_state);
364         void (*read_luts)(struct intel_crtc_state *crtc_state);
365 };
366
367 struct intel_audio_funcs {
368         void (*audio_codec_enable)(struct intel_encoder *encoder,
369                                    const struct intel_crtc_state *crtc_state,
370                                    const struct drm_connector_state *conn_state);
371         void (*audio_codec_disable)(struct intel_encoder *encoder,
372                                     const struct intel_crtc_state *old_crtc_state,
373                                     const struct drm_connector_state *old_conn_state);
374 };
375
376 struct intel_cdclk_funcs {
377         void (*get_cdclk)(struct drm_i915_private *dev_priv,
378                           struct intel_cdclk_config *cdclk_config);
379         void (*set_cdclk)(struct drm_i915_private *dev_priv,
380                           const struct intel_cdclk_config *cdclk_config,
381                           enum pipe pipe);
382         int (*bw_calc_min_cdclk)(struct intel_atomic_state *state);
383         int (*modeset_calc_cdclk)(struct intel_cdclk_state *state);
384         u8 (*calc_voltage_level)(int cdclk);
385 };
386
387 struct intel_hotplug_funcs {
388         void (*hpd_irq_setup)(struct drm_i915_private *dev_priv);
389 };
390
391 struct intel_fdi_funcs {
392         void (*fdi_link_train)(struct intel_crtc *crtc,
393                                const struct intel_crtc_state *crtc_state);
394 };
395
396 struct intel_dpll_funcs {
397         int (*crtc_compute_clock)(struct intel_crtc_state *crtc_state);
398 };
399
400 struct drm_i915_display_funcs {
401         /* Returns the active state of the crtc, and if the crtc is active,
402          * fills out the pipe-config with the hw state. */
403         bool (*get_pipe_config)(struct intel_crtc *,
404                                 struct intel_crtc_state *);
405         void (*get_initial_plane_config)(struct intel_crtc *,
406                                          struct intel_initial_plane_config *);
407         void (*crtc_enable)(struct intel_atomic_state *state,
408                             struct intel_crtc *crtc);
409         void (*crtc_disable)(struct intel_atomic_state *state,
410                              struct intel_crtc *crtc);
411         void (*commit_modeset_enables)(struct intel_atomic_state *state);
412 };
413
414
415 #define I915_COLOR_UNEVICTABLE (-1) /* a non-vma sharing the address space */
416
417 struct intel_fbc {
418         /* This is always the inner lock when overlapping with struct_mutex and
419          * it's the outer lock when overlapping with stolen_lock. */
420         struct mutex lock;
421         unsigned int possible_framebuffer_bits;
422         unsigned int busy_bits;
423         struct intel_crtc *crtc;
424
425         struct drm_mm_node compressed_fb;
426         struct drm_mm_node compressed_llb;
427
428         u8 limit;
429
430         bool false_color;
431
432         bool active;
433         bool activated;
434         bool flip_pending;
435
436         bool underrun_detected;
437         struct work_struct underrun_work;
438
439         /*
440          * Due to the atomic rules we can't access some structures without the
441          * appropriate locking, so we cache information here in order to avoid
442          * these problems.
443          */
444         struct intel_fbc_state_cache {
445                 struct {
446                         unsigned int mode_flags;
447                         u32 hsw_bdw_pixel_rate;
448                 } crtc;
449
450                 struct {
451                         unsigned int rotation;
452                         int src_w;
453                         int src_h;
454                         bool visible;
455                         /*
456                          * Display surface base address adjustement for
457                          * pageflips. Note that on gen4+ this only adjusts up
458                          * to a tile, offsets within a tile are handled in
459                          * the hw itself (with the TILEOFF register).
460                          */
461                         int adjusted_x;
462                         int adjusted_y;
463
464                         u16 pixel_blend_mode;
465                 } plane;
466
467                 struct {
468                         const struct drm_format_info *format;
469                         unsigned int stride;
470                         u64 modifier;
471                 } fb;
472
473                 unsigned int fence_y_offset;
474                 u16 interval;
475                 s8 fence_id;
476                 bool psr2_active;
477         } state_cache;
478
479         /*
480          * This structure contains everything that's relevant to program the
481          * hardware registers. When we want to figure out if we need to disable
482          * and re-enable FBC for a new configuration we just check if there's
483          * something different in the struct. The genx_fbc_activate functions
484          * are supposed to read from it in order to program the registers.
485          */
486         struct intel_fbc_reg_params {
487                 struct {
488                         enum pipe pipe;
489                         enum i9xx_plane_id i9xx_plane;
490                 } crtc;
491
492                 struct {
493                         const struct drm_format_info *format;
494                         unsigned int stride;
495                         u64 modifier;
496                 } fb;
497
498                 unsigned int cfb_stride;
499                 unsigned int cfb_size;
500                 unsigned int fence_y_offset;
501                 u16 override_cfb_stride;
502                 u16 interval;
503                 s8 fence_id;
504                 bool plane_visible;
505         } params;
506
507         const char *no_fbc_reason;
508 };
509
510 /*
511  * HIGH_RR is the highest eDP panel refresh rate read from EDID
512  * LOW_RR is the lowest eDP panel refresh rate found from EDID
513  * parsing for same resolution.
514  */
515 enum drrs_refresh_rate_type {
516         DRRS_HIGH_RR,
517         DRRS_LOW_RR,
518         DRRS_MAX_RR, /* RR count */
519 };
520
521 enum drrs_support_type {
522         DRRS_NOT_SUPPORTED = 0,
523         STATIC_DRRS_SUPPORT = 1,
524         SEAMLESS_DRRS_SUPPORT = 2
525 };
526
527 struct intel_dp;
528 struct i915_drrs {
529         struct mutex mutex;
530         struct delayed_work work;
531         struct intel_dp *dp;
532         unsigned busy_frontbuffer_bits;
533         enum drrs_refresh_rate_type refresh_rate_type;
534         enum drrs_support_type type;
535 };
536
537 #define QUIRK_LVDS_SSC_DISABLE (1<<1)
538 #define QUIRK_INVERT_BRIGHTNESS (1<<2)
539 #define QUIRK_BACKLIGHT_PRESENT (1<<3)
540 #define QUIRK_PIN_SWIZZLED_PAGES (1<<5)
541 #define QUIRK_INCREASE_T12_DELAY (1<<6)
542 #define QUIRK_INCREASE_DDI_DISABLED_TIME (1<<7)
543 #define QUIRK_NO_PPS_BACKLIGHT_POWER_HOOK (1<<8)
544
545 struct intel_fbdev;
546 struct intel_fbc_work;
547
548 struct intel_gmbus {
549         struct i2c_adapter adapter;
550 #define GMBUS_FORCE_BIT_RETRY (1U << 31)
551         u32 force_bit;
552         u32 reg0;
553         i915_reg_t gpio_reg;
554         struct i2c_algo_bit_data bit_algo;
555         struct drm_i915_private *dev_priv;
556 };
557
558 struct i915_suspend_saved_registers {
559         u32 saveDSPARB;
560         u32 saveSWF0[16];
561         u32 saveSWF1[16];
562         u32 saveSWF3[3];
563         u16 saveGCDGMBUS;
564 };
565
566 struct vlv_s0ix_state;
567
568 #define MAX_L3_SLICES 2
569 struct intel_l3_parity {
570         u32 *remap_info[MAX_L3_SLICES];
571         struct work_struct error_work;
572         int which_slice;
573 };
574
575 struct i915_gem_mm {
576         /*
577          * Shortcut for the stolen region. This points to either
578          * INTEL_REGION_STOLEN_SMEM for integrated platforms, or
579          * INTEL_REGION_STOLEN_LMEM for discrete, or NULL if the device doesn't
580          * support stolen.
581          */
582         struct intel_memory_region *stolen_region;
583         /** Memory allocator for GTT stolen memory */
584         struct drm_mm stolen;
585         /** Protects the usage of the GTT stolen memory allocator. This is
586          * always the inner lock when overlapping with struct_mutex. */
587         struct mutex stolen_lock;
588
589         /* Protects bound_list/unbound_list and #drm_i915_gem_object.mm.link */
590         spinlock_t obj_lock;
591
592         /**
593          * List of objects which are purgeable.
594          */
595         struct list_head purge_list;
596
597         /**
598          * List of objects which have allocated pages and are shrinkable.
599          */
600         struct list_head shrink_list;
601
602         /**
603          * List of objects which are pending destruction.
604          */
605         struct llist_head free_list;
606         struct work_struct free_work;
607         /**
608          * Count of objects pending destructions. Used to skip needlessly
609          * waiting on an RCU barrier if no objects are waiting to be freed.
610          */
611         atomic_t free_count;
612
613         /**
614          * tmpfs instance used for shmem backed objects
615          */
616         struct vfsmount *gemfs;
617
618         struct intel_memory_region *regions[INTEL_REGION_UNKNOWN];
619
620         struct notifier_block oom_notifier;
621         struct notifier_block vmap_notifier;
622         struct shrinker shrinker;
623
624 #ifdef CONFIG_MMU_NOTIFIER
625         /**
626          * notifier_lock for mmu notifiers, memory may not be allocated
627          * while holding this lock.
628          */
629         rwlock_t notifier_lock;
630 #endif
631
632         /* shrinker accounting, also useful for userland debugging */
633         u64 shrink_memory;
634         u32 shrink_count;
635 };
636
637 #define I915_IDLE_ENGINES_TIMEOUT (200) /* in ms */
638
639 unsigned long i915_fence_context_timeout(const struct drm_i915_private *i915,
640                                          u64 context);
641
642 static inline unsigned long
643 i915_fence_timeout(const struct drm_i915_private *i915)
644 {
645         return i915_fence_context_timeout(i915, U64_MAX);
646 }
647
648 /* Amount of SAGV/QGV points, BSpec precisely defines this */
649 #define I915_NUM_QGV_POINTS 8
650
651 #define HAS_HW_SAGV_WM(i915) (DISPLAY_VER(i915) >= 13 && !IS_DGFX(i915))
652
653 /* Amount of PSF GV points, BSpec precisely defines this */
654 #define I915_NUM_PSF_GV_POINTS 3
655
656 enum psr_lines_to_wait {
657         PSR_0_LINES_TO_WAIT = 0,
658         PSR_1_LINE_TO_WAIT,
659         PSR_4_LINES_TO_WAIT,
660         PSR_8_LINES_TO_WAIT
661 };
662
663 struct intel_vbt_data {
664         /* bdb version */
665         u16 version;
666
667         struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */
668         struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */
669
670         /* Feature bits */
671         unsigned int int_tv_support:1;
672         unsigned int lvds_dither:1;
673         unsigned int int_crt_support:1;
674         unsigned int lvds_use_ssc:1;
675         unsigned int int_lvds_support:1;
676         unsigned int display_clock_mode:1;
677         unsigned int fdi_rx_polarity_inverted:1;
678         unsigned int panel_type:4;
679         int lvds_ssc_freq;
680         unsigned int bios_lvds_val; /* initial [PCH_]LVDS reg val in VBIOS */
681         enum drm_panel_orientation orientation;
682
683         enum drrs_support_type drrs_type;
684
685         struct {
686                 int rate;
687                 int lanes;
688                 int preemphasis;
689                 int vswing;
690                 bool low_vswing;
691                 bool initialized;
692                 int bpp;
693                 struct edp_power_seq pps;
694                 bool hobl;
695         } edp;
696
697         struct {
698                 bool enable;
699                 bool full_link;
700                 bool require_aux_wakeup;
701                 int idle_frames;
702                 enum psr_lines_to_wait lines_to_wait;
703                 int tp1_wakeup_time_us;
704                 int tp2_tp3_wakeup_time_us;
705                 int psr2_tp2_tp3_wakeup_time_us;
706         } psr;
707
708         struct {
709                 u16 pwm_freq_hz;
710                 u16 brightness_precision_bits;
711                 bool present;
712                 bool active_low_pwm;
713                 u8 min_brightness;      /* min_brightness/255 of max */
714                 u8 controller;          /* brightness controller number */
715                 enum intel_backlight_type type;
716         } backlight;
717
718         /* MIPI DSI */
719         struct {
720                 u16 panel_id;
721                 struct mipi_config *config;
722                 struct mipi_pps_data *pps;
723                 u16 bl_ports;
724                 u16 cabc_ports;
725                 u8 seq_version;
726                 u32 size;
727                 u8 *data;
728                 const u8 *sequence[MIPI_SEQ_MAX];
729                 u8 *deassert_seq; /* Used by fixup_mipi_sequences() */
730                 enum drm_panel_orientation orientation;
731         } dsi;
732
733         int crt_ddc_pin;
734
735         struct list_head display_devices;
736
737         struct intel_bios_encoder_data *ports[I915_MAX_PORTS]; /* Non-NULL if port present. */
738         struct sdvo_device_mapping sdvo_mappings[2];
739 };
740
741 enum intel_ddb_partitioning {
742         INTEL_DDB_PART_1_2,
743         INTEL_DDB_PART_5_6, /* IVB+ */
744 };
745
746 struct ilk_wm_values {
747         u32 wm_pipe[3];
748         u32 wm_lp[3];
749         u32 wm_lp_spr[3];
750         bool enable_fbc_wm;
751         enum intel_ddb_partitioning partitioning;
752 };
753
754 struct g4x_pipe_wm {
755         u16 plane[I915_MAX_PLANES];
756         u16 fbc;
757 };
758
759 struct g4x_sr_wm {
760         u16 plane;
761         u16 cursor;
762         u16 fbc;
763 };
764
765 struct vlv_wm_ddl_values {
766         u8 plane[I915_MAX_PLANES];
767 };
768
769 struct vlv_wm_values {
770         struct g4x_pipe_wm pipe[3];
771         struct g4x_sr_wm sr;
772         struct vlv_wm_ddl_values ddl[3];
773         u8 level;
774         bool cxsr;
775 };
776
777 struct g4x_wm_values {
778         struct g4x_pipe_wm pipe[2];
779         struct g4x_sr_wm sr;
780         struct g4x_sr_wm hpll;
781         bool cxsr;
782         bool hpll_en;
783         bool fbc_en;
784 };
785
786 struct skl_ddb_entry {
787         u16 start, end; /* in number of blocks, 'end' is exclusive */
788 };
789
790 static inline u16 skl_ddb_entry_size(const struct skl_ddb_entry *entry)
791 {
792         return entry->end - entry->start;
793 }
794
795 static inline bool skl_ddb_entry_equal(const struct skl_ddb_entry *e1,
796                                        const struct skl_ddb_entry *e2)
797 {
798         if (e1->start == e2->start && e1->end == e2->end)
799                 return true;
800
801         return false;
802 }
803
804 struct i915_frontbuffer_tracking {
805         spinlock_t lock;
806
807         /*
808          * Tracking bits for delayed frontbuffer flushing du to gpu activity or
809          * scheduled flips.
810          */
811         unsigned busy_bits;
812         unsigned flip_bits;
813 };
814
815 struct i915_virtual_gpu {
816         struct mutex lock; /* serialises sending of g2v_notify command pkts */
817         bool active;
818         u32 caps;
819 };
820
821 struct intel_cdclk_config {
822         unsigned int cdclk, vco, ref, bypass;
823         u8 voltage_level;
824 };
825
826 struct i915_selftest_stash {
827         atomic_t counter;
828         struct ida mock_region_instances;
829 };
830
831 /* intel_audio.c private */
832 struct intel_audio_private {
833         /* Display internal audio functions */
834         const struct intel_audio_funcs *funcs;
835
836         /* hda/i915 audio component */
837         struct i915_audio_component *component;
838         bool component_registered;
839         /* mutex for audio/video sync */
840         struct mutex mutex;
841         int power_refcount;
842         u32 freq_cntrl;
843
844         /* Used to save the pipe-to-encoder mapping for audio */
845         struct intel_encoder *encoder_map[I915_MAX_PIPES];
846
847         /* necessary resource sharing with HDMI LPE audio driver. */
848         struct {
849                 struct platform_device *platdev;
850                 int irq;
851         } lpe;
852 };
853
854 struct drm_i915_private {
855         struct drm_device drm;
856
857         /* FIXME: Device release actions should all be moved to drmm_ */
858         bool do_release;
859
860         /* i915 device parameters */
861         struct i915_params params;
862
863         const struct intel_device_info __info; /* Use INTEL_INFO() to access. */
864         struct intel_runtime_info __runtime; /* Use RUNTIME_INFO() to access. */
865         struct intel_driver_caps caps;
866
867         /**
868          * Data Stolen Memory - aka "i915 stolen memory" gives us the start and
869          * end of stolen which we can optionally use to create GEM objects
870          * backed by stolen memory. Note that stolen_usable_size tells us
871          * exactly how much of this we are actually allowed to use, given that
872          * some portion of it is in fact reserved for use by hardware functions.
873          */
874         struct resource dsm;
875         /**
876          * Reseved portion of Data Stolen Memory
877          */
878         struct resource dsm_reserved;
879
880         /*
881          * Stolen memory is segmented in hardware with different portions
882          * offlimits to certain functions.
883          *
884          * The drm_mm is initialised to the total accessible range, as found
885          * from the PCI config. On Broadwell+, this is further restricted to
886          * avoid the first page! The upper end of stolen memory is reserved for
887          * hardware functions and similarly removed from the accessible range.
888          */
889         resource_size_t stolen_usable_size;     /* Total size minus reserved ranges */
890
891         struct intel_uncore uncore;
892         struct intel_uncore_mmio_debug mmio_debug;
893
894         struct i915_virtual_gpu vgpu;
895
896         struct intel_gvt *gvt;
897
898         struct intel_wopcm wopcm;
899
900         struct intel_dmc dmc;
901
902         struct intel_gmbus gmbus[GMBUS_NUM_PINS];
903
904         /** gmbus_mutex protects against concurrent usage of the single hw gmbus
905          * controller on different i2c buses. */
906         struct mutex gmbus_mutex;
907
908         /**
909          * Base address of where the gmbus and gpio blocks are located (either
910          * on PCH or on SoC for platforms without PCH).
911          */
912         u32 gpio_mmio_base;
913
914         /* MMIO base address for MIPI regs */
915         u32 mipi_mmio_base;
916
917         u32 pps_mmio_base;
918
919         wait_queue_head_t gmbus_wait_queue;
920
921         struct pci_dev *bridge_dev;
922
923         struct rb_root uabi_engines;
924
925         struct resource mch_res;
926
927         /* protects the irq masks */
928         spinlock_t irq_lock;
929
930         bool display_irqs_enabled;
931
932         /* Sideband mailbox protection */
933         struct mutex sb_lock;
934         struct pm_qos_request sb_qos;
935
936         /** Cached value of IMR to avoid reads in updating the bitfield */
937         union {
938                 u32 irq_mask;
939                 u32 de_irq_mask[I915_MAX_PIPES];
940         };
941         u32 pipestat_irq_mask[I915_MAX_PIPES];
942
943         struct i915_hotplug hotplug;
944         struct intel_fbc fbc;
945         struct i915_drrs drrs;
946         struct intel_opregion opregion;
947         struct intel_vbt_data vbt;
948
949         bool preserve_bios_swizzle;
950
951         /* overlay */
952         struct intel_overlay *overlay;
953
954         /* backlight registers and fields in struct intel_panel */
955         struct mutex backlight_lock;
956
957         /* protects panel power sequencer state */
958         struct mutex pps_mutex;
959
960         unsigned int fsb_freq, mem_freq, is_ddr3;
961         unsigned int skl_preferred_vco_freq;
962         unsigned int max_cdclk_freq;
963
964         unsigned int max_dotclk_freq;
965         unsigned int hpll_freq;
966         unsigned int fdi_pll_freq;
967         unsigned int czclk_freq;
968
969         struct {
970                 /* The current hardware cdclk configuration */
971                 struct intel_cdclk_config hw;
972
973                 /* cdclk, divider, and ratio table from bspec */
974                 const struct intel_cdclk_vals *table;
975
976                 struct intel_global_obj obj;
977         } cdclk;
978
979         struct {
980                 /* The current hardware dbuf configuration */
981                 u8 enabled_slices;
982
983                 struct intel_global_obj obj;
984         } dbuf;
985
986         /**
987          * wq - Driver workqueue for GEM.
988          *
989          * NOTE: Work items scheduled here are not allowed to grab any modeset
990          * locks, for otherwise the flushing done in the pageflip code will
991          * result in deadlocks.
992          */
993         struct workqueue_struct *wq;
994
995         /* ordered wq for modesets */
996         struct workqueue_struct *modeset_wq;
997         /* unbound hipri wq for page flips/plane updates */
998         struct workqueue_struct *flip_wq;
999
1000         /* pm private clock gating functions */
1001         const struct drm_i915_clock_gating_funcs *clock_gating_funcs;
1002
1003         /* pm display functions */
1004         const struct drm_i915_wm_disp_funcs *wm_disp;
1005
1006         /* irq display functions */
1007         const struct intel_hotplug_funcs *hotplug_funcs;
1008
1009         /* fdi display functions */
1010         const struct intel_fdi_funcs *fdi_funcs;
1011
1012         /* display pll funcs */
1013         const struct intel_dpll_funcs *dpll_funcs;
1014
1015         /* Display functions */
1016         const struct drm_i915_display_funcs *display;
1017
1018         /* Display internal color functions */
1019         const struct intel_color_funcs *color_funcs;
1020
1021         /* Display CDCLK functions */
1022         const struct intel_cdclk_funcs *cdclk_funcs;
1023
1024         /* PCH chipset type */
1025         enum intel_pch pch_type;
1026         unsigned short pch_id;
1027
1028         unsigned long quirks;
1029
1030         struct drm_atomic_state *modeset_restore_state;
1031         struct drm_modeset_acquire_ctx reset_ctx;
1032
1033         struct i915_ggtt ggtt; /* VM representing the global address space */
1034
1035         struct i915_gem_mm mm;
1036
1037         /* Kernel Modesetting */
1038
1039         struct intel_crtc *plane_to_crtc_mapping[I915_MAX_PIPES];
1040         struct intel_crtc *pipe_to_crtc_mapping[I915_MAX_PIPES];
1041
1042         /**
1043          * dpll and cdclk state is protected by connection_mutex
1044          * dpll.lock serializes intel_{prepare,enable,disable}_shared_dpll.
1045          * Must be global rather than per dpll, because on some platforms plls
1046          * share registers.
1047          */
1048         struct {
1049                 struct mutex lock;
1050
1051                 int num_shared_dpll;
1052                 struct intel_shared_dpll shared_dplls[I915_NUM_PLLS];
1053                 const struct intel_dpll_mgr *mgr;
1054
1055                 struct {
1056                         int nssc;
1057                         int ssc;
1058                 } ref_clks;
1059         } dpll;
1060
1061         struct list_head global_obj_list;
1062
1063         /*
1064          * For reading active_pipes holding any crtc lock is
1065          * sufficient, for writing must hold all of them.
1066          */
1067         u8 active_pipes;
1068
1069         struct i915_frontbuffer_tracking fb_tracking;
1070
1071         struct intel_atomic_helper {
1072                 struct llist_head free_list;
1073                 struct work_struct free_work;
1074         } atomic_helper;
1075
1076         bool mchbar_need_disable;
1077
1078         struct intel_l3_parity l3_parity;
1079
1080         /*
1081          * HTI (aka HDPORT) state read during initial hw readout.  Most
1082          * platforms don't have HTI, so this will just stay 0.  Those that do
1083          * will use this later to figure out which PLLs and PHYs are unavailable
1084          * for driver usage.
1085          */
1086         u32 hti_state;
1087
1088         /*
1089          * edram size in MB.
1090          * Cannot be determined by PCIID. You must always read a register.
1091          */
1092         u32 edram_size_mb;
1093
1094         struct i915_power_domains power_domains;
1095
1096         struct i915_gpu_error gpu_error;
1097
1098         struct drm_i915_gem_object *vlv_pctx;
1099
1100         /* list of fbdev register on this device */
1101         struct intel_fbdev *fbdev;
1102         struct work_struct fbdev_suspend_work;
1103
1104         struct drm_property *broadcast_rgb_property;
1105         struct drm_property *force_audio_property;
1106
1107         u32 fdi_rx_config;
1108
1109         /* Shadow for DISPLAY_PHY_CONTROL which can't be safely read */
1110         u32 chv_phy_control;
1111         /*
1112          * Shadows for CHV DPLL_MD regs to keep the state
1113          * checker somewhat working in the presence hardware
1114          * crappiness (can't read out DPLL_MD for pipes B & C).
1115          */
1116         u32 chv_dpll_md[I915_MAX_PIPES];
1117         u32 bxt_phy_grc;
1118
1119         u32 suspend_count;
1120         bool power_domains_suspended;
1121         struct i915_suspend_saved_registers regfile;
1122         struct vlv_s0ix_state *vlv_s0ix_state;
1123
1124         enum {
1125                 I915_SAGV_UNKNOWN = 0,
1126                 I915_SAGV_DISABLED,
1127                 I915_SAGV_ENABLED,
1128                 I915_SAGV_NOT_CONTROLLED
1129         } sagv_status;
1130
1131         u32 sagv_block_time_us;
1132
1133         struct {
1134                 /*
1135                  * Raw watermark latency values:
1136                  * in 0.1us units for WM0,
1137                  * in 0.5us units for WM1+.
1138                  */
1139                 /* primary */
1140                 u16 pri_latency[5];
1141                 /* sprite */
1142                 u16 spr_latency[5];
1143                 /* cursor */
1144                 u16 cur_latency[5];
1145                 /*
1146                  * Raw watermark memory latency values
1147                  * for SKL for all 8 levels
1148                  * in 1us units.
1149                  */
1150                 u16 skl_latency[8];
1151
1152                 /* current hardware state */
1153                 union {
1154                         struct ilk_wm_values hw;
1155                         struct vlv_wm_values vlv;
1156                         struct g4x_wm_values g4x;
1157                 };
1158
1159                 u8 max_level;
1160
1161                 /*
1162                  * Should be held around atomic WM register writing; also
1163                  * protects * intel_crtc->wm.active and
1164                  * crtc_state->wm.need_postvbl_update.
1165                  */
1166                 struct mutex wm_mutex;
1167         } wm;
1168
1169         struct dram_info {
1170                 bool wm_lv_0_adjust_needed;
1171                 u8 num_channels;
1172                 bool symmetric_memory;
1173                 enum intel_dram_type {
1174                         INTEL_DRAM_UNKNOWN,
1175                         INTEL_DRAM_DDR3,
1176                         INTEL_DRAM_DDR4,
1177                         INTEL_DRAM_LPDDR3,
1178                         INTEL_DRAM_LPDDR4,
1179                         INTEL_DRAM_DDR5,
1180                         INTEL_DRAM_LPDDR5,
1181                 } type;
1182                 u8 num_qgv_points;
1183                 u8 num_psf_gv_points;
1184         } dram_info;
1185
1186         struct intel_bw_info {
1187                 /* for each QGV point */
1188                 unsigned int deratedbw[I915_NUM_QGV_POINTS];
1189                 /* for each PSF GV point */
1190                 unsigned int psf_bw[I915_NUM_PSF_GV_POINTS];
1191                 u8 num_qgv_points;
1192                 u8 num_psf_gv_points;
1193                 u8 num_planes;
1194         } max_bw[6];
1195
1196         struct intel_global_obj bw_obj;
1197
1198         struct intel_runtime_pm runtime_pm;
1199
1200         struct i915_perf perf;
1201
1202         /* Abstract the submission mechanism (legacy ringbuffer or execlists) away */
1203         struct intel_gt gt;
1204
1205         struct {
1206                 struct i915_gem_contexts {
1207                         spinlock_t lock; /* locks list */
1208                         struct list_head list;
1209                 } contexts;
1210
1211                 /*
1212                  * We replace the local file with a global mappings as the
1213                  * backing storage for the mmap is on the device and not
1214                  * on the struct file, and we do not want to prolong the
1215                  * lifetime of the local fd. To minimise the number of
1216                  * anonymous inodes we create, we use a global singleton to
1217                  * share the global mapping.
1218                  */
1219                 struct file *mmap_singleton;
1220         } gem;
1221
1222         u8 framestart_delay;
1223
1224         /* Window2 specifies time required to program DSB (Window2) in number of scan lines */
1225         u8 window2_delay;
1226
1227         u8 pch_ssc_use;
1228
1229         /* For i915gm/i945gm vblank irq workaround */
1230         u8 vblank_enabled;
1231
1232         bool irq_enabled;
1233
1234         /* perform PHY state sanity checks? */
1235         bool chv_phy_assert[2];
1236
1237         bool ipc_enabled;
1238
1239         struct intel_audio_private audio;
1240
1241         struct i915_pmu pmu;
1242
1243         struct i915_hdcp_comp_master *hdcp_master;
1244         bool hdcp_comp_added;
1245
1246         /* Mutex to protect the above hdcp component related values. */
1247         struct mutex hdcp_comp_mutex;
1248
1249         /* The TTM device structure. */
1250         struct ttm_device bdev;
1251
1252         I915_SELFTEST_DECLARE(struct i915_selftest_stash selftest;)
1253
1254         /*
1255          * NOTE: This is the dri1/ums dungeon, don't add stuff here. Your patch
1256          * will be rejected. Instead look for a better place.
1257          */
1258 };
1259
1260 static inline struct drm_i915_private *to_i915(const struct drm_device *dev)
1261 {
1262         return container_of(dev, struct drm_i915_private, drm);
1263 }
1264
1265 static inline struct drm_i915_private *kdev_to_i915(struct device *kdev)
1266 {
1267         return dev_get_drvdata(kdev);
1268 }
1269
1270 static inline struct drm_i915_private *pdev_to_i915(struct pci_dev *pdev)
1271 {
1272         return pci_get_drvdata(pdev);
1273 }
1274
1275 /* Simple iterator over all initialised engines */
1276 #define for_each_engine(engine__, dev_priv__, id__) \
1277         for ((id__) = 0; \
1278              (id__) < I915_NUM_ENGINES; \
1279              (id__)++) \
1280                 for_each_if ((engine__) = (dev_priv__)->engine[(id__)])
1281
1282 /* Iterator over subset of engines selected by mask */
1283 #define for_each_engine_masked(engine__, gt__, mask__, tmp__) \
1284         for ((tmp__) = (mask__) & (gt__)->info.engine_mask; \
1285              (tmp__) ? \
1286              ((engine__) = (gt__)->engine[__mask_next_bit(tmp__)]), 1 : \
1287              0;)
1288
1289 #define rb_to_uabi_engine(rb) \
1290         rb_entry_safe(rb, struct intel_engine_cs, uabi_node)
1291
1292 #define for_each_uabi_engine(engine__, i915__) \
1293         for ((engine__) = rb_to_uabi_engine(rb_first(&(i915__)->uabi_engines));\
1294              (engine__); \
1295              (engine__) = rb_to_uabi_engine(rb_next(&(engine__)->uabi_node)))
1296
1297 #define for_each_uabi_class_engine(engine__, class__, i915__) \
1298         for ((engine__) = intel_engine_lookup_user((i915__), (class__), 0); \
1299              (engine__) && (engine__)->uabi_class == (class__); \
1300              (engine__) = rb_to_uabi_engine(rb_next(&(engine__)->uabi_node)))
1301
1302 #define I915_GTT_OFFSET_NONE ((u32)-1)
1303
1304 /*
1305  * Frontbuffer tracking bits. Set in obj->frontbuffer_bits while a gem bo is
1306  * considered to be the frontbuffer for the given plane interface-wise. This
1307  * doesn't mean that the hw necessarily already scans it out, but that any
1308  * rendering (by the cpu or gpu) will land in the frontbuffer eventually.
1309  *
1310  * We have one bit per pipe and per scanout plane type.
1311  */
1312 #define INTEL_FRONTBUFFER_BITS_PER_PIPE 8
1313 #define INTEL_FRONTBUFFER(pipe, plane_id) ({ \
1314         BUILD_BUG_ON(INTEL_FRONTBUFFER_BITS_PER_PIPE * I915_MAX_PIPES > 32); \
1315         BUILD_BUG_ON(I915_MAX_PLANES > INTEL_FRONTBUFFER_BITS_PER_PIPE); \
1316         BIT((plane_id) + INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe)); \
1317 })
1318 #define INTEL_FRONTBUFFER_OVERLAY(pipe) \
1319         BIT(INTEL_FRONTBUFFER_BITS_PER_PIPE - 1 + INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe))
1320 #define INTEL_FRONTBUFFER_ALL_MASK(pipe) \
1321         GENMASK(INTEL_FRONTBUFFER_BITS_PER_PIPE * ((pipe) + 1) - 1, \
1322                 INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe))
1323
1324 #define INTEL_INFO(dev_priv)    (&(dev_priv)->__info)
1325 #define RUNTIME_INFO(dev_priv)  (&(dev_priv)->__runtime)
1326 #define DRIVER_CAPS(dev_priv)   (&(dev_priv)->caps)
1327
1328 #define INTEL_DEVID(dev_priv)   (RUNTIME_INFO(dev_priv)->device_id)
1329
1330 #define IP_VER(ver, rel)                ((ver) << 8 | (rel))
1331
1332 #define GRAPHICS_VER(i915)              (INTEL_INFO(i915)->graphics_ver)
1333 #define GRAPHICS_VER_FULL(i915)         IP_VER(INTEL_INFO(i915)->graphics_ver, \
1334                                                INTEL_INFO(i915)->graphics_rel)
1335 #define IS_GRAPHICS_VER(i915, from, until) \
1336         (GRAPHICS_VER(i915) >= (from) && GRAPHICS_VER(i915) <= (until))
1337
1338 #define MEDIA_VER(i915)                 (INTEL_INFO(i915)->media_ver)
1339 #define MEDIA_VER_FULL(i915)            IP_VER(INTEL_INFO(i915)->media_ver, \
1340                                                INTEL_INFO(i915)->media_rel)
1341 #define IS_MEDIA_VER(i915, from, until) \
1342         (MEDIA_VER(i915) >= (from) && MEDIA_VER(i915) <= (until))
1343
1344 #define DISPLAY_VER(i915)       (INTEL_INFO(i915)->display.ver)
1345 #define IS_DISPLAY_VER(i915, from, until) \
1346         (DISPLAY_VER(i915) >= (from) && DISPLAY_VER(i915) <= (until))
1347
1348 #define INTEL_REVID(dev_priv)   (to_pci_dev((dev_priv)->drm.dev)->revision)
1349
1350 #define HAS_DSB(dev_priv)       (INTEL_INFO(dev_priv)->display.has_dsb)
1351
1352 #define INTEL_DISPLAY_STEP(__i915) (RUNTIME_INFO(__i915)->step.display_step)
1353 #define INTEL_GT_STEP(__i915) (RUNTIME_INFO(__i915)->step.gt_step)
1354
1355 #define IS_DISPLAY_STEP(__i915, since, until) \
1356         (drm_WARN_ON(&(__i915)->drm, INTEL_DISPLAY_STEP(__i915) == STEP_NONE), \
1357          INTEL_DISPLAY_STEP(__i915) >= (since) && INTEL_DISPLAY_STEP(__i915) < (until))
1358
1359 #define IS_GT_STEP(__i915, since, until) \
1360         (drm_WARN_ON(&(__i915)->drm, INTEL_GT_STEP(__i915) == STEP_NONE), \
1361          INTEL_GT_STEP(__i915) >= (since) && INTEL_GT_STEP(__i915) < (until))
1362
1363 static __always_inline unsigned int
1364 __platform_mask_index(const struct intel_runtime_info *info,
1365                       enum intel_platform p)
1366 {
1367         const unsigned int pbits =
1368                 BITS_PER_TYPE(info->platform_mask[0]) - INTEL_SUBPLATFORM_BITS;
1369
1370         /* Expand the platform_mask array if this fails. */
1371         BUILD_BUG_ON(INTEL_MAX_PLATFORMS >
1372                      pbits * ARRAY_SIZE(info->platform_mask));
1373
1374         return p / pbits;
1375 }
1376
1377 static __always_inline unsigned int
1378 __platform_mask_bit(const struct intel_runtime_info *info,
1379                     enum intel_platform p)
1380 {
1381         const unsigned int pbits =
1382                 BITS_PER_TYPE(info->platform_mask[0]) - INTEL_SUBPLATFORM_BITS;
1383
1384         return p % pbits + INTEL_SUBPLATFORM_BITS;
1385 }
1386
1387 static inline u32
1388 intel_subplatform(const struct intel_runtime_info *info, enum intel_platform p)
1389 {
1390         const unsigned int pi = __platform_mask_index(info, p);
1391
1392         return info->platform_mask[pi] & INTEL_SUBPLATFORM_MASK;
1393 }
1394
1395 static __always_inline bool
1396 IS_PLATFORM(const struct drm_i915_private *i915, enum intel_platform p)
1397 {
1398         const struct intel_runtime_info *info = RUNTIME_INFO(i915);
1399         const unsigned int pi = __platform_mask_index(info, p);
1400         const unsigned int pb = __platform_mask_bit(info, p);
1401
1402         BUILD_BUG_ON(!__builtin_constant_p(p));
1403
1404         return info->platform_mask[pi] & BIT(pb);
1405 }
1406
1407 static __always_inline bool
1408 IS_SUBPLATFORM(const struct drm_i915_private *i915,
1409                enum intel_platform p, unsigned int s)
1410 {
1411         const struct intel_runtime_info *info = RUNTIME_INFO(i915);
1412         const unsigned int pi = __platform_mask_index(info, p);
1413         const unsigned int pb = __platform_mask_bit(info, p);
1414         const unsigned int msb = BITS_PER_TYPE(info->platform_mask[0]) - 1;
1415         const u32 mask = info->platform_mask[pi];
1416
1417         BUILD_BUG_ON(!__builtin_constant_p(p));
1418         BUILD_BUG_ON(!__builtin_constant_p(s));
1419         BUILD_BUG_ON((s) >= INTEL_SUBPLATFORM_BITS);
1420
1421         /* Shift and test on the MSB position so sign flag can be used. */
1422         return ((mask << (msb - pb)) & (mask << (msb - s))) & BIT(msb);
1423 }
1424
1425 #define IS_MOBILE(dev_priv)     (INTEL_INFO(dev_priv)->is_mobile)
1426 #define IS_DGFX(dev_priv)   (INTEL_INFO(dev_priv)->is_dgfx)
1427
1428 #define IS_I830(dev_priv)       IS_PLATFORM(dev_priv, INTEL_I830)
1429 #define IS_I845G(dev_priv)      IS_PLATFORM(dev_priv, INTEL_I845G)
1430 #define IS_I85X(dev_priv)       IS_PLATFORM(dev_priv, INTEL_I85X)
1431 #define IS_I865G(dev_priv)      IS_PLATFORM(dev_priv, INTEL_I865G)
1432 #define IS_I915G(dev_priv)      IS_PLATFORM(dev_priv, INTEL_I915G)
1433 #define IS_I915GM(dev_priv)     IS_PLATFORM(dev_priv, INTEL_I915GM)
1434 #define IS_I945G(dev_priv)      IS_PLATFORM(dev_priv, INTEL_I945G)
1435 #define IS_I945GM(dev_priv)     IS_PLATFORM(dev_priv, INTEL_I945GM)
1436 #define IS_I965G(dev_priv)      IS_PLATFORM(dev_priv, INTEL_I965G)
1437 #define IS_I965GM(dev_priv)     IS_PLATFORM(dev_priv, INTEL_I965GM)
1438 #define IS_G45(dev_priv)        IS_PLATFORM(dev_priv, INTEL_G45)
1439 #define IS_GM45(dev_priv)       IS_PLATFORM(dev_priv, INTEL_GM45)
1440 #define IS_G4X(dev_priv)        (IS_G45(dev_priv) || IS_GM45(dev_priv))
1441 #define IS_PINEVIEW(dev_priv)   IS_PLATFORM(dev_priv, INTEL_PINEVIEW)
1442 #define IS_G33(dev_priv)        IS_PLATFORM(dev_priv, INTEL_G33)
1443 #define IS_IRONLAKE(dev_priv)   IS_PLATFORM(dev_priv, INTEL_IRONLAKE)
1444 #define IS_IRONLAKE_M(dev_priv) \
1445         (IS_PLATFORM(dev_priv, INTEL_IRONLAKE) && IS_MOBILE(dev_priv))
1446 #define IS_SANDYBRIDGE(dev_priv) IS_PLATFORM(dev_priv, INTEL_SANDYBRIDGE)
1447 #define IS_IVYBRIDGE(dev_priv)  IS_PLATFORM(dev_priv, INTEL_IVYBRIDGE)
1448 #define IS_IVB_GT1(dev_priv)    (IS_IVYBRIDGE(dev_priv) && \
1449                                  INTEL_INFO(dev_priv)->gt == 1)
1450 #define IS_VALLEYVIEW(dev_priv) IS_PLATFORM(dev_priv, INTEL_VALLEYVIEW)
1451 #define IS_CHERRYVIEW(dev_priv) IS_PLATFORM(dev_priv, INTEL_CHERRYVIEW)
1452 #define IS_HASWELL(dev_priv)    IS_PLATFORM(dev_priv, INTEL_HASWELL)
1453 #define IS_BROADWELL(dev_priv)  IS_PLATFORM(dev_priv, INTEL_BROADWELL)
1454 #define IS_SKYLAKE(dev_priv)    IS_PLATFORM(dev_priv, INTEL_SKYLAKE)
1455 #define IS_BROXTON(dev_priv)    IS_PLATFORM(dev_priv, INTEL_BROXTON)
1456 #define IS_KABYLAKE(dev_priv)   IS_PLATFORM(dev_priv, INTEL_KABYLAKE)
1457 #define IS_GEMINILAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_GEMINILAKE)
1458 #define IS_COFFEELAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_COFFEELAKE)
1459 #define IS_COMETLAKE(dev_priv)  IS_PLATFORM(dev_priv, INTEL_COMETLAKE)
1460 #define IS_ICELAKE(dev_priv)    IS_PLATFORM(dev_priv, INTEL_ICELAKE)
1461 #define IS_JSL_EHL(dev_priv)    (IS_PLATFORM(dev_priv, INTEL_JASPERLAKE) || \
1462                                 IS_PLATFORM(dev_priv, INTEL_ELKHARTLAKE))
1463 #define IS_TIGERLAKE(dev_priv)  IS_PLATFORM(dev_priv, INTEL_TIGERLAKE)
1464 #define IS_ROCKETLAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_ROCKETLAKE)
1465 #define IS_DG1(dev_priv)        IS_PLATFORM(dev_priv, INTEL_DG1)
1466 #define IS_ALDERLAKE_S(dev_priv) IS_PLATFORM(dev_priv, INTEL_ALDERLAKE_S)
1467 #define IS_ALDERLAKE_P(dev_priv) IS_PLATFORM(dev_priv, INTEL_ALDERLAKE_P)
1468 #define IS_XEHPSDV(dev_priv) IS_PLATFORM(dev_priv, INTEL_XEHPSDV)
1469 #define IS_DG2(dev_priv)        IS_PLATFORM(dev_priv, INTEL_DG2)
1470 #define IS_DG2_G10(dev_priv) \
1471         IS_SUBPLATFORM(dev_priv, INTEL_DG2, INTEL_SUBPLATFORM_G10)
1472 #define IS_DG2_G11(dev_priv) \
1473         IS_SUBPLATFORM(dev_priv, INTEL_DG2, INTEL_SUBPLATFORM_G11)
1474 #define IS_HSW_EARLY_SDV(dev_priv) (IS_HASWELL(dev_priv) && \
1475                                     (INTEL_DEVID(dev_priv) & 0xFF00) == 0x0C00)
1476 #define IS_BDW_ULT(dev_priv) \
1477         IS_SUBPLATFORM(dev_priv, INTEL_BROADWELL, INTEL_SUBPLATFORM_ULT)
1478 #define IS_BDW_ULX(dev_priv) \
1479         IS_SUBPLATFORM(dev_priv, INTEL_BROADWELL, INTEL_SUBPLATFORM_ULX)
1480 #define IS_BDW_GT3(dev_priv)    (IS_BROADWELL(dev_priv) && \
1481                                  INTEL_INFO(dev_priv)->gt == 3)
1482 #define IS_HSW_ULT(dev_priv) \
1483         IS_SUBPLATFORM(dev_priv, INTEL_HASWELL, INTEL_SUBPLATFORM_ULT)
1484 #define IS_HSW_GT3(dev_priv)    (IS_HASWELL(dev_priv) && \
1485                                  INTEL_INFO(dev_priv)->gt == 3)
1486 #define IS_HSW_GT1(dev_priv)    (IS_HASWELL(dev_priv) && \
1487                                  INTEL_INFO(dev_priv)->gt == 1)
1488 /* ULX machines are also considered ULT. */
1489 #define IS_HSW_ULX(dev_priv) \
1490         IS_SUBPLATFORM(dev_priv, INTEL_HASWELL, INTEL_SUBPLATFORM_ULX)
1491 #define IS_SKL_ULT(dev_priv) \
1492         IS_SUBPLATFORM(dev_priv, INTEL_SKYLAKE, INTEL_SUBPLATFORM_ULT)
1493 #define IS_SKL_ULX(dev_priv) \
1494         IS_SUBPLATFORM(dev_priv, INTEL_SKYLAKE, INTEL_SUBPLATFORM_ULX)
1495 #define IS_KBL_ULT(dev_priv) \
1496         IS_SUBPLATFORM(dev_priv, INTEL_KABYLAKE, INTEL_SUBPLATFORM_ULT)
1497 #define IS_KBL_ULX(dev_priv) \
1498         IS_SUBPLATFORM(dev_priv, INTEL_KABYLAKE, INTEL_SUBPLATFORM_ULX)
1499 #define IS_SKL_GT2(dev_priv)    (IS_SKYLAKE(dev_priv) && \
1500                                  INTEL_INFO(dev_priv)->gt == 2)
1501 #define IS_SKL_GT3(dev_priv)    (IS_SKYLAKE(dev_priv) && \
1502                                  INTEL_INFO(dev_priv)->gt == 3)
1503 #define IS_SKL_GT4(dev_priv)    (IS_SKYLAKE(dev_priv) && \
1504                                  INTEL_INFO(dev_priv)->gt == 4)
1505 #define IS_KBL_GT2(dev_priv)    (IS_KABYLAKE(dev_priv) && \
1506                                  INTEL_INFO(dev_priv)->gt == 2)
1507 #define IS_KBL_GT3(dev_priv)    (IS_KABYLAKE(dev_priv) && \
1508                                  INTEL_INFO(dev_priv)->gt == 3)
1509 #define IS_CFL_ULT(dev_priv) \
1510         IS_SUBPLATFORM(dev_priv, INTEL_COFFEELAKE, INTEL_SUBPLATFORM_ULT)
1511 #define IS_CFL_ULX(dev_priv) \
1512         IS_SUBPLATFORM(dev_priv, INTEL_COFFEELAKE, INTEL_SUBPLATFORM_ULX)
1513 #define IS_CFL_GT2(dev_priv)    (IS_COFFEELAKE(dev_priv) && \
1514                                  INTEL_INFO(dev_priv)->gt == 2)
1515 #define IS_CFL_GT3(dev_priv)    (IS_COFFEELAKE(dev_priv) && \
1516                                  INTEL_INFO(dev_priv)->gt == 3)
1517
1518 #define IS_CML_ULT(dev_priv) \
1519         IS_SUBPLATFORM(dev_priv, INTEL_COMETLAKE, INTEL_SUBPLATFORM_ULT)
1520 #define IS_CML_ULX(dev_priv) \
1521         IS_SUBPLATFORM(dev_priv, INTEL_COMETLAKE, INTEL_SUBPLATFORM_ULX)
1522 #define IS_CML_GT2(dev_priv)    (IS_COMETLAKE(dev_priv) && \
1523                                  INTEL_INFO(dev_priv)->gt == 2)
1524
1525 #define IS_ICL_WITH_PORT_F(dev_priv) \
1526         IS_SUBPLATFORM(dev_priv, INTEL_ICELAKE, INTEL_SUBPLATFORM_PORTF)
1527
1528 #define IS_TGL_U(dev_priv) \
1529         IS_SUBPLATFORM(dev_priv, INTEL_TIGERLAKE, INTEL_SUBPLATFORM_ULT)
1530
1531 #define IS_TGL_Y(dev_priv) \
1532         IS_SUBPLATFORM(dev_priv, INTEL_TIGERLAKE, INTEL_SUBPLATFORM_ULX)
1533
1534 #define IS_SKL_GT_STEP(p, since, until) (IS_SKYLAKE(p) && IS_GT_STEP(p, since, until))
1535
1536 #define IS_KBL_GT_STEP(dev_priv, since, until) \
1537         (IS_KABYLAKE(dev_priv) && IS_GT_STEP(dev_priv, since, until))
1538 #define IS_KBL_DISPLAY_STEP(dev_priv, since, until) \
1539         (IS_KABYLAKE(dev_priv) && IS_DISPLAY_STEP(dev_priv, since, until))
1540
1541 #define IS_JSL_EHL_GT_STEP(p, since, until) \
1542         (IS_JSL_EHL(p) && IS_GT_STEP(p, since, until))
1543 #define IS_JSL_EHL_DISPLAY_STEP(p, since, until) \
1544         (IS_JSL_EHL(p) && IS_DISPLAY_STEP(p, since, until))
1545
1546 #define IS_TGL_DISPLAY_STEP(__i915, since, until) \
1547         (IS_TIGERLAKE(__i915) && \
1548          IS_DISPLAY_STEP(__i915, since, until))
1549
1550 #define IS_TGL_UY_GT_STEP(__i915, since, until) \
1551         ((IS_TGL_U(__i915) || IS_TGL_Y(__i915)) && \
1552          IS_GT_STEP(__i915, since, until))
1553
1554 #define IS_TGL_GT_STEP(__i915, since, until) \
1555         (IS_TIGERLAKE(__i915) && !(IS_TGL_U(__i915) || IS_TGL_Y(__i915)) && \
1556          IS_GT_STEP(__i915, since, until))
1557
1558 #define IS_RKL_DISPLAY_STEP(p, since, until) \
1559         (IS_ROCKETLAKE(p) && IS_DISPLAY_STEP(p, since, until))
1560
1561 #define IS_DG1_GT_STEP(p, since, until) \
1562         (IS_DG1(p) && IS_GT_STEP(p, since, until))
1563 #define IS_DG1_DISPLAY_STEP(p, since, until) \
1564         (IS_DG1(p) && IS_DISPLAY_STEP(p, since, until))
1565
1566 #define IS_ADLS_DISPLAY_STEP(__i915, since, until) \
1567         (IS_ALDERLAKE_S(__i915) && \
1568          IS_DISPLAY_STEP(__i915, since, until))
1569
1570 #define IS_ADLS_GT_STEP(__i915, since, until) \
1571         (IS_ALDERLAKE_S(__i915) && \
1572          IS_GT_STEP(__i915, since, until))
1573
1574 #define IS_ADLP_DISPLAY_STEP(__i915, since, until) \
1575         (IS_ALDERLAKE_P(__i915) && \
1576          IS_DISPLAY_STEP(__i915, since, until))
1577
1578 #define IS_ADLP_GT_STEP(__i915, since, until) \
1579         (IS_ALDERLAKE_P(__i915) && \
1580          IS_GT_STEP(__i915, since, until))
1581
1582 #define IS_XEHPSDV_GT_STEP(__i915, since, until) \
1583         (IS_XEHPSDV(__i915) && IS_GT_STEP(__i915, since, until))
1584
1585 /*
1586  * DG2 hardware steppings are a bit unusual.  The hardware design was forked
1587  * to create two variants (G10 and G11) which have distinct workaround sets.
1588  * The G11 fork of the DG2 design resets the GT stepping back to "A0" for its
1589  * first iteration, even though it's more similar to a G10 B0 stepping in terms
1590  * of functionality and workarounds.  However the display stepping does not
1591  * reset in the same manner --- a specific stepping like "B0" has a consistent
1592  * meaning regardless of whether it belongs to a G10 or G11 DG2.
1593  *
1594  * TLDR:  All GT workarounds and stepping-specific logic must be applied in
1595  * relation to a specific subplatform (G10 or G11), whereas display workarounds
1596  * and stepping-specific logic will be applied with a general DG2-wide stepping
1597  * number.
1598  */
1599 #define IS_DG2_GT_STEP(__i915, variant, since, until) \
1600         (IS_SUBPLATFORM(__i915, INTEL_DG2, INTEL_SUBPLATFORM_##variant) && \
1601          IS_GT_STEP(__i915, since, until))
1602
1603 #define IS_DG2_DISP_STEP(__i915, since, until) \
1604         (IS_DG2(__i915) && \
1605          IS_DISPLAY_STEP(__i915, since, until))
1606
1607 #define IS_LP(dev_priv)         (INTEL_INFO(dev_priv)->is_lp)
1608 #define IS_GEN9_LP(dev_priv)    (GRAPHICS_VER(dev_priv) == 9 && IS_LP(dev_priv))
1609 #define IS_GEN9_BC(dev_priv)    (GRAPHICS_VER(dev_priv) == 9 && !IS_LP(dev_priv))
1610
1611 #define __HAS_ENGINE(engine_mask, id) ((engine_mask) & BIT(id))
1612 #define HAS_ENGINE(gt, id) __HAS_ENGINE((gt)->info.engine_mask, id)
1613
1614 #define ENGINE_INSTANCES_MASK(gt, first, count) ({              \
1615         unsigned int first__ = (first);                                 \
1616         unsigned int count__ = (count);                                 \
1617         ((gt)->info.engine_mask &                                               \
1618          GENMASK(first__ + count__ - 1, first__)) >> first__;           \
1619 })
1620 #define VDBOX_MASK(gt) \
1621         ENGINE_INSTANCES_MASK(gt, VCS0, I915_MAX_VCS)
1622 #define VEBOX_MASK(gt) \
1623         ENGINE_INSTANCES_MASK(gt, VECS0, I915_MAX_VECS)
1624
1625 /*
1626  * The Gen7 cmdparser copies the scanned buffer to the ggtt for execution
1627  * All later gens can run the final buffer from the ppgtt
1628  */
1629 #define CMDPARSER_USES_GGTT(dev_priv) (GRAPHICS_VER(dev_priv) == 7)
1630
1631 #define HAS_LLC(dev_priv)       (INTEL_INFO(dev_priv)->has_llc)
1632 #define HAS_SNOOP(dev_priv)     (INTEL_INFO(dev_priv)->has_snoop)
1633 #define HAS_EDRAM(dev_priv)     ((dev_priv)->edram_size_mb)
1634 #define HAS_SECURE_BATCHES(dev_priv) (GRAPHICS_VER(dev_priv) < 6)
1635 #define HAS_WT(dev_priv)        HAS_EDRAM(dev_priv)
1636
1637 #define HWS_NEEDS_PHYSICAL(dev_priv)    (INTEL_INFO(dev_priv)->hws_needs_physical)
1638
1639 #define HAS_LOGICAL_RING_CONTEXTS(dev_priv) \
1640                 (INTEL_INFO(dev_priv)->has_logical_ring_contexts)
1641 #define HAS_LOGICAL_RING_ELSQ(dev_priv) \
1642                 (INTEL_INFO(dev_priv)->has_logical_ring_elsq)
1643
1644 #define HAS_EXECLISTS(dev_priv) HAS_LOGICAL_RING_CONTEXTS(dev_priv)
1645
1646 #define INTEL_PPGTT(dev_priv) (INTEL_INFO(dev_priv)->ppgtt_type)
1647 #define HAS_PPGTT(dev_priv) \
1648         (INTEL_PPGTT(dev_priv) != INTEL_PPGTT_NONE)
1649 #define HAS_FULL_PPGTT(dev_priv) \
1650         (INTEL_PPGTT(dev_priv) >= INTEL_PPGTT_FULL)
1651
1652 #define HAS_PAGE_SIZES(dev_priv, sizes) ({ \
1653         GEM_BUG_ON((sizes) == 0); \
1654         ((sizes) & ~INTEL_INFO(dev_priv)->page_sizes) == 0; \
1655 })
1656
1657 #define HAS_OVERLAY(dev_priv)            (INTEL_INFO(dev_priv)->display.has_overlay)
1658 #define OVERLAY_NEEDS_PHYSICAL(dev_priv) \
1659                 (INTEL_INFO(dev_priv)->display.overlay_needs_physical)
1660
1661 /* Early gen2 have a totally busted CS tlb and require pinned batches. */
1662 #define HAS_BROKEN_CS_TLB(dev_priv)     (IS_I830(dev_priv) || IS_I845G(dev_priv))
1663
1664 #define NEEDS_RC6_CTX_CORRUPTION_WA(dev_priv)   \
1665         (IS_BROADWELL(dev_priv) || GRAPHICS_VER(dev_priv) == 9)
1666
1667 /* WaRsDisableCoarsePowerGating:skl,cnl */
1668 #define NEEDS_WaRsDisableCoarsePowerGating(dev_priv)                    \
1669         (IS_SKL_GT3(dev_priv) || IS_SKL_GT4(dev_priv))
1670
1671 #define HAS_GMBUS_IRQ(dev_priv) (GRAPHICS_VER(dev_priv) >= 4)
1672 #define HAS_GMBUS_BURST_READ(dev_priv) (GRAPHICS_VER(dev_priv) >= 11 || \
1673                                         IS_GEMINILAKE(dev_priv) || \
1674                                         IS_KABYLAKE(dev_priv))
1675
1676 /* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
1677  * rows, which changed the alignment requirements and fence programming.
1678  */
1679 #define HAS_128_BYTE_Y_TILING(dev_priv) (GRAPHICS_VER(dev_priv) != 2 && \
1680                                          !(IS_I915G(dev_priv) || IS_I915GM(dev_priv)))
1681 #define SUPPORTS_TV(dev_priv)           (INTEL_INFO(dev_priv)->display.supports_tv)
1682 #define I915_HAS_HOTPLUG(dev_priv)      (INTEL_INFO(dev_priv)->display.has_hotplug)
1683
1684 #define HAS_FW_BLC(dev_priv)    (GRAPHICS_VER(dev_priv) > 2)
1685 #define HAS_FBC(dev_priv)       (INTEL_INFO(dev_priv)->display.has_fbc)
1686 #define HAS_CUR_FBC(dev_priv)   (!HAS_GMCH(dev_priv) && GRAPHICS_VER(dev_priv) >= 7)
1687
1688 #define HAS_IPS(dev_priv)       (IS_HSW_ULT(dev_priv) || IS_BROADWELL(dev_priv))
1689
1690 #define HAS_DP_MST(dev_priv)    (INTEL_INFO(dev_priv)->display.has_dp_mst)
1691 #define HAS_DP20(dev_priv)      (IS_DG2(dev_priv))
1692
1693 #define HAS_CDCLK_CRAWL(dev_priv)        (INTEL_INFO(dev_priv)->display.has_cdclk_crawl)
1694 #define HAS_DDI(dev_priv)                (INTEL_INFO(dev_priv)->display.has_ddi)
1695 #define HAS_FPGA_DBG_UNCLAIMED(dev_priv) (INTEL_INFO(dev_priv)->display.has_fpga_dbg)
1696 #define HAS_PSR(dev_priv)                (INTEL_INFO(dev_priv)->display.has_psr)
1697 #define HAS_PSR_HW_TRACKING(dev_priv) \
1698         (INTEL_INFO(dev_priv)->display.has_psr_hw_tracking)
1699 #define HAS_PSR2_SEL_FETCH(dev_priv)     (GRAPHICS_VER(dev_priv) >= 12)
1700 #define HAS_TRANSCODER(dev_priv, trans)  ((INTEL_INFO(dev_priv)->cpu_transcoder_mask & BIT(trans)) != 0)
1701
1702 #define HAS_RC6(dev_priv)                (INTEL_INFO(dev_priv)->has_rc6)
1703 #define HAS_RC6p(dev_priv)               (INTEL_INFO(dev_priv)->has_rc6p)
1704 #define HAS_RC6pp(dev_priv)              (false) /* HW was never validated */
1705
1706 #define HAS_RPS(dev_priv)       (INTEL_INFO(dev_priv)->has_rps)
1707
1708 #define HAS_DMC(dev_priv)       (INTEL_INFO(dev_priv)->display.has_dmc)
1709
1710 #define HAS_MSO(i915)           (GRAPHICS_VER(i915) >= 12)
1711
1712 #define HAS_RUNTIME_PM(dev_priv) (INTEL_INFO(dev_priv)->has_runtime_pm)
1713 #define HAS_64BIT_RELOC(dev_priv) (INTEL_INFO(dev_priv)->has_64bit_reloc)
1714
1715 #define HAS_MSLICES(dev_priv) \
1716         (INTEL_INFO(dev_priv)->has_mslices)
1717
1718 #define HAS_IPC(dev_priv)                (INTEL_INFO(dev_priv)->display.has_ipc)
1719
1720 #define HAS_REGION(i915, i) (INTEL_INFO(i915)->memory_regions & (i))
1721 #define HAS_LMEM(i915) HAS_REGION(i915, REGION_LMEM)
1722
1723 #define HAS_GT_UC(dev_priv)     (INTEL_INFO(dev_priv)->has_gt_uc)
1724
1725 #define HAS_POOLED_EU(dev_priv) (INTEL_INFO(dev_priv)->has_pooled_eu)
1726
1727 #define HAS_GLOBAL_MOCS_REGISTERS(dev_priv)     (INTEL_INFO(dev_priv)->has_global_mocs)
1728
1729 #define HAS_PXP(dev_priv)  ((IS_ENABLED(CONFIG_DRM_I915_PXP) && \
1730                             INTEL_INFO(dev_priv)->has_pxp) && \
1731                             VDBOX_MASK(&dev_priv->gt))
1732
1733 #define HAS_GMCH(dev_priv) (INTEL_INFO(dev_priv)->display.has_gmch)
1734
1735 #define HAS_LSPCON(dev_priv) (IS_GRAPHICS_VER(dev_priv, 9, 10))
1736
1737 /* DPF == dynamic parity feature */
1738 #define HAS_L3_DPF(dev_priv) (INTEL_INFO(dev_priv)->has_l3_dpf)
1739 #define NUM_L3_SLICES(dev_priv) (IS_HSW_GT3(dev_priv) ? \
1740                                  2 : HAS_L3_DPF(dev_priv))
1741
1742 #define GT_FREQUENCY_MULTIPLIER 50
1743 #define GEN9_FREQ_SCALER 3
1744
1745 #define INTEL_NUM_PIPES(dev_priv) (hweight8(INTEL_INFO(dev_priv)->pipe_mask))
1746
1747 #define HAS_DISPLAY(dev_priv) (INTEL_INFO(dev_priv)->pipe_mask != 0)
1748
1749 #define HAS_VRR(i915)   (GRAPHICS_VER(i915) >= 12)
1750
1751 #define HAS_ASYNC_FLIPS(i915)           (DISPLAY_VER(i915) >= 5)
1752
1753 /* Only valid when HAS_DISPLAY() is true */
1754 #define INTEL_DISPLAY_ENABLED(dev_priv) \
1755         (drm_WARN_ON(&(dev_priv)->drm, !HAS_DISPLAY(dev_priv)), !(dev_priv)->params.disable_display)
1756
1757 static inline bool run_as_guest(void)
1758 {
1759         return !hypervisor_is_type(X86_HYPER_NATIVE);
1760 }
1761
1762 #define HAS_D12_PLANE_MINIMIZATION(dev_priv) (IS_ROCKETLAKE(dev_priv) || \
1763                                               IS_ALDERLAKE_S(dev_priv))
1764
1765 static inline bool intel_vtd_active(void)
1766 {
1767 #ifdef CONFIG_INTEL_IOMMU
1768         if (intel_iommu_gfx_mapped)
1769                 return true;
1770 #endif
1771
1772         /* Running as a guest, we assume the host is enforcing VT'd */
1773         return run_as_guest();
1774 }
1775
1776 static inline bool intel_scanout_needs_vtd_wa(struct drm_i915_private *dev_priv)
1777 {
1778         return GRAPHICS_VER(dev_priv) >= 6 && intel_vtd_active();
1779 }
1780
1781 static inline bool
1782 intel_ggtt_update_needs_vtd_wa(struct drm_i915_private *i915)
1783 {
1784         return IS_BROXTON(i915) && intel_vtd_active();
1785 }
1786
1787 static inline bool
1788 intel_vm_no_concurrent_access_wa(struct drm_i915_private *i915)
1789 {
1790         return IS_CHERRYVIEW(i915) || intel_ggtt_update_needs_vtd_wa(i915);
1791 }
1792
1793 /* i915_drv.c */
1794 extern const struct dev_pm_ops i915_pm_ops;
1795
1796 int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
1797 void i915_driver_remove(struct drm_i915_private *i915);
1798 void i915_driver_shutdown(struct drm_i915_private *i915);
1799
1800 int i915_resume_switcheroo(struct drm_i915_private *i915);
1801 int i915_suspend_switcheroo(struct drm_i915_private *i915, pm_message_t state);
1802
1803 int i915_getparam_ioctl(struct drm_device *dev, void *data,
1804                         struct drm_file *file_priv);
1805
1806 /* i915_gem.c */
1807 int i915_gem_init_userptr(struct drm_i915_private *dev_priv);
1808 void i915_gem_cleanup_userptr(struct drm_i915_private *dev_priv);
1809 void i915_gem_init_early(struct drm_i915_private *dev_priv);
1810 void i915_gem_cleanup_early(struct drm_i915_private *dev_priv);
1811
1812 static inline void i915_gem_drain_freed_objects(struct drm_i915_private *i915)
1813 {
1814         /*
1815          * A single pass should suffice to release all the freed objects (along
1816          * most call paths) , but be a little more paranoid in that freeing
1817          * the objects does take a little amount of time, during which the rcu
1818          * callbacks could have added new objects into the freed list, and
1819          * armed the work again.
1820          */
1821         while (atomic_read(&i915->mm.free_count)) {
1822                 flush_work(&i915->mm.free_work);
1823                 rcu_barrier();
1824         }
1825 }
1826
1827 static inline void i915_gem_drain_workqueue(struct drm_i915_private *i915)
1828 {
1829         /*
1830          * Similar to objects above (see i915_gem_drain_freed-objects), in
1831          * general we have workers that are armed by RCU and then rearm
1832          * themselves in their callbacks. To be paranoid, we need to
1833          * drain the workqueue a second time after waiting for the RCU
1834          * grace period so that we catch work queued via RCU from the first
1835          * pass. As neither drain_workqueue() nor flush_workqueue() report
1836          * a result, we make an assumption that we only don't require more
1837          * than 3 passes to catch all _recursive_ RCU delayed work.
1838          *
1839          */
1840         int pass = 3;
1841         do {
1842                 flush_workqueue(i915->wq);
1843                 rcu_barrier();
1844                 i915_gem_drain_freed_objects(i915);
1845         } while (--pass);
1846         drain_workqueue(i915->wq);
1847 }
1848
1849 struct i915_vma * __must_check
1850 i915_gem_object_ggtt_pin_ww(struct drm_i915_gem_object *obj,
1851                             struct i915_gem_ww_ctx *ww,
1852                             const struct i915_ggtt_view *view,
1853                             u64 size, u64 alignment, u64 flags);
1854
1855 static inline struct i915_vma * __must_check
1856 i915_gem_object_ggtt_pin(struct drm_i915_gem_object *obj,
1857                          const struct i915_ggtt_view *view,
1858                          u64 size, u64 alignment, u64 flags)
1859 {
1860         return i915_gem_object_ggtt_pin_ww(obj, NULL, view, size, alignment, flags);
1861 }
1862
1863 int i915_gem_object_unbind(struct drm_i915_gem_object *obj,
1864                            unsigned long flags);
1865 #define I915_GEM_OBJECT_UNBIND_ACTIVE BIT(0)
1866 #define I915_GEM_OBJECT_UNBIND_BARRIER BIT(1)
1867 #define I915_GEM_OBJECT_UNBIND_TEST BIT(2)
1868 #define I915_GEM_OBJECT_UNBIND_VM_TRYLOCK BIT(3)
1869
1870 void i915_gem_runtime_suspend(struct drm_i915_private *dev_priv);
1871
1872 int i915_gem_dumb_create(struct drm_file *file_priv,
1873                          struct drm_device *dev,
1874                          struct drm_mode_create_dumb *args);
1875
1876 int __must_check i915_gem_set_global_seqno(struct drm_device *dev, u32 seqno);
1877
1878 static inline u32 i915_reset_count(struct i915_gpu_error *error)
1879 {
1880         return atomic_read(&error->reset_count);
1881 }
1882
1883 static inline u32 i915_reset_engine_count(struct i915_gpu_error *error,
1884                                           const struct intel_engine_cs *engine)
1885 {
1886         return atomic_read(&error->reset_engine_count[engine->uabi_class]);
1887 }
1888
1889 int __must_check i915_gem_init(struct drm_i915_private *dev_priv);
1890 void i915_gem_driver_register(struct drm_i915_private *i915);
1891 void i915_gem_driver_unregister(struct drm_i915_private *i915);
1892 void i915_gem_driver_remove(struct drm_i915_private *dev_priv);
1893 void i915_gem_driver_release(struct drm_i915_private *dev_priv);
1894 void i915_gem_suspend(struct drm_i915_private *dev_priv);
1895 void i915_gem_suspend_late(struct drm_i915_private *dev_priv);
1896 void i915_gem_resume(struct drm_i915_private *dev_priv);
1897
1898 int i915_gem_open(struct drm_i915_private *i915, struct drm_file *file);
1899
1900 int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj,
1901                                     enum i915_cache_level cache_level);
1902
1903 struct drm_gem_object *i915_gem_prime_import(struct drm_device *dev,
1904                                 struct dma_buf *dma_buf);
1905
1906 struct dma_buf *i915_gem_prime_export(struct drm_gem_object *gem_obj, int flags);
1907
1908 static inline struct i915_address_space *
1909 i915_gem_vm_lookup(struct drm_i915_file_private *file_priv, u32 id)
1910 {
1911         struct i915_address_space *vm;
1912
1913         xa_lock(&file_priv->vm_xa);
1914         vm = xa_load(&file_priv->vm_xa, id);
1915         if (vm)
1916                 kref_get(&vm->ref);
1917         xa_unlock(&file_priv->vm_xa);
1918
1919         return vm;
1920 }
1921
1922 /* i915_gem_evict.c */
1923 int __must_check i915_gem_evict_something(struct i915_address_space *vm,
1924                                           u64 min_size, u64 alignment,
1925                                           unsigned long color,
1926                                           u64 start, u64 end,
1927                                           unsigned flags);
1928 int __must_check i915_gem_evict_for_node(struct i915_address_space *vm,
1929                                          struct drm_mm_node *node,
1930                                          unsigned int flags);
1931 int i915_gem_evict_vm(struct i915_address_space *vm);
1932
1933 /* i915_gem_internal.c */
1934 struct drm_i915_gem_object *
1935 i915_gem_object_create_internal(struct drm_i915_private *dev_priv,
1936                                 phys_addr_t size);
1937
1938 /* i915_gem_tiling.c */
1939 static inline bool i915_gem_object_needs_bit17_swizzle(struct drm_i915_gem_object *obj)
1940 {
1941         struct drm_i915_private *i915 = to_i915(obj->base.dev);
1942
1943         return i915->ggtt.bit_6_swizzle_x == I915_BIT_6_SWIZZLE_9_10_17 &&
1944                 i915_gem_object_is_tiled(obj);
1945 }
1946
1947 u32 i915_gem_fence_size(struct drm_i915_private *dev_priv, u32 size,
1948                         unsigned int tiling, unsigned int stride);
1949 u32 i915_gem_fence_alignment(struct drm_i915_private *dev_priv, u32 size,
1950                              unsigned int tiling, unsigned int stride);
1951
1952 const char *i915_cache_level_str(struct drm_i915_private *i915, int type);
1953
1954 /* i915_cmd_parser.c */
1955 int i915_cmd_parser_get_version(struct drm_i915_private *dev_priv);
1956 int intel_engine_init_cmd_parser(struct intel_engine_cs *engine);
1957 void intel_engine_cleanup_cmd_parser(struct intel_engine_cs *engine);
1958 int intel_engine_cmd_parser(struct intel_engine_cs *engine,
1959                             struct i915_vma *batch,
1960                             unsigned long batch_offset,
1961                             unsigned long batch_length,
1962                             struct i915_vma *shadow,
1963                             bool trampoline);
1964 #define I915_CMD_PARSER_TRAMPOLINE_SIZE 8
1965
1966 /* intel_device_info.c */
1967 static inline struct intel_device_info *
1968 mkwrite_device_info(struct drm_i915_private *dev_priv)
1969 {
1970         return (struct intel_device_info *)INTEL_INFO(dev_priv);
1971 }
1972
1973 int i915_reg_read_ioctl(struct drm_device *dev, void *data,
1974                         struct drm_file *file);
1975
1976 /* i915_mm.c */
1977 int remap_io_mapping(struct vm_area_struct *vma,
1978                      unsigned long addr, unsigned long pfn, unsigned long size,
1979                      struct io_mapping *iomap);
1980 int remap_io_sg(struct vm_area_struct *vma,
1981                 unsigned long addr, unsigned long size,
1982                 struct scatterlist *sgl, resource_size_t iobase);
1983
1984 static inline int intel_hws_csb_write_index(struct drm_i915_private *i915)
1985 {
1986         if (GRAPHICS_VER(i915) >= 11)
1987                 return ICL_HWS_CSB_WRITE_INDEX;
1988         else
1989                 return I915_HWS_CSB_WRITE_INDEX;
1990 }
1991
1992 static inline enum i915_map_type
1993 i915_coherent_map_type(struct drm_i915_private *i915,
1994                        struct drm_i915_gem_object *obj, bool always_coherent)
1995 {
1996         if (i915_gem_object_is_lmem(obj))
1997                 return I915_MAP_WC;
1998         if (HAS_LLC(i915) || always_coherent)
1999                 return I915_MAP_WB;
2000         else
2001                 return I915_MAP_WC;
2002 }
2003
2004 #endif