1 /* i915_drv.h -- Private header for the I915 driver -*- linux-c -*-
5 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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:
16 * The above copyright notice and this permission notice (including the
17 * next paragraph) shall be included in all copies or substantial portions
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.
33 #include <uapi/drm/i915_drm.h>
35 #include <linux/pm_qos.h>
37 #include <drm/drm_connector.h>
38 #include <drm/ttm/ttm_device.h>
40 #include "display/intel_cdclk.h"
41 #include "display/intel_display.h"
42 #include "display/intel_display_core.h"
43 #include "display/intel_display_power.h"
44 #include "display/intel_dsb.h"
45 #include "display/intel_fbc.h"
46 #include "display/intel_frontbuffer.h"
47 #include "display/intel_global_state.h"
48 #include "display/intel_opregion.h"
50 #include "gem/i915_gem_context_types.h"
51 #include "gem/i915_gem_lmem.h"
52 #include "gem/i915_gem_shrinker.h"
53 #include "gem/i915_gem_stolen.h"
55 #include "gt/intel_engine.h"
56 #include "gt/intel_gt_types.h"
57 #include "gt/intel_region_lmem.h"
58 #include "gt/intel_workarounds.h"
59 #include "gt/uc/intel_uc.h"
61 #include "i915_drm_client.h"
63 #include "i915_gpu_error.h"
64 #include "i915_params.h"
65 #include "i915_perf_types.h"
66 #include "i915_scheduler.h"
67 #include "i915_utils.h"
68 #include "intel_device_info.h"
69 #include "intel_memory_region.h"
70 #include "intel_pch.h"
71 #include "intel_runtime_pm.h"
72 #include "intel_step.h"
73 #include "intel_uncore.h"
74 #include "intel_wopcm.h"
76 struct drm_i915_clock_gating_funcs;
77 struct drm_i915_gem_object;
78 struct drm_i915_private;
79 struct intel_cdclk_config;
80 struct intel_cdclk_state;
81 struct intel_cdclk_vals;
82 struct intel_connector;
86 struct intel_overlay_error_state;
87 struct vlv_s0ix_state;
89 /* Threshold == 5 for long IRQs, 50 for short */
90 #define HPD_STORM_DEFAULT_THRESHOLD 50
92 #define I915_GEM_GPU_DOMAINS \
93 (I915_GEM_DOMAIN_RENDER | \
94 I915_GEM_DOMAIN_SAMPLER | \
95 I915_GEM_DOMAIN_COMMAND | \
96 I915_GEM_DOMAIN_INSTRUCTION | \
97 I915_GEM_DOMAIN_VERTEX)
99 struct sdvo_device_mapping {
108 #define I915_COLOR_UNEVICTABLE (-1) /* a non-vma sharing the address space */
110 #define GEM_QUIRK_PIN_SWIZZLED_PAGES BIT(0)
112 #define QUIRK_LVDS_SSC_DISABLE (1<<1)
113 #define QUIRK_INVERT_BRIGHTNESS (1<<2)
114 #define QUIRK_BACKLIGHT_PRESENT (1<<3)
115 #define QUIRK_INCREASE_T12_DELAY (1<<6)
116 #define QUIRK_INCREASE_DDI_DISABLED_TIME (1<<7)
117 #define QUIRK_NO_PPS_BACKLIGHT_POWER_HOOK (1<<8)
119 struct i915_suspend_saved_registers {
127 #define MAX_L3_SLICES 2
128 struct intel_l3_parity {
129 u32 *remap_info[MAX_L3_SLICES];
130 struct work_struct error_work;
136 * Shortcut for the stolen region. This points to either
137 * INTEL_REGION_STOLEN_SMEM for integrated platforms, or
138 * INTEL_REGION_STOLEN_LMEM for discrete, or NULL if the device doesn't
141 struct intel_memory_region *stolen_region;
142 /** Memory allocator for GTT stolen memory */
143 struct drm_mm stolen;
144 /** Protects the usage of the GTT stolen memory allocator. This is
145 * always the inner lock when overlapping with struct_mutex. */
146 struct mutex stolen_lock;
148 /* Protects bound_list/unbound_list and #drm_i915_gem_object.mm.link */
152 * List of objects which are purgeable.
154 struct list_head purge_list;
157 * List of objects which have allocated pages and are shrinkable.
159 struct list_head shrink_list;
162 * List of objects which are pending destruction.
164 struct llist_head free_list;
165 struct work_struct free_work;
167 * Count of objects pending destructions. Used to skip needlessly
168 * waiting on an RCU barrier if no objects are waiting to be freed.
173 * tmpfs instance used for shmem backed objects
175 struct vfsmount *gemfs;
177 struct intel_memory_region *regions[INTEL_REGION_UNKNOWN];
179 struct notifier_block oom_notifier;
180 struct notifier_block vmap_notifier;
181 struct shrinker shrinker;
183 #ifdef CONFIG_MMU_NOTIFIER
185 * notifier_lock for mmu notifiers, memory may not be allocated
186 * while holding this lock.
188 rwlock_t notifier_lock;
191 /* shrinker accounting, also useful for userland debugging */
196 #define I915_IDLE_ENGINES_TIMEOUT (200) /* in ms */
198 unsigned long i915_fence_context_timeout(const struct drm_i915_private *i915,
201 static inline unsigned long
202 i915_fence_timeout(const struct drm_i915_private *i915)
204 return i915_fence_context_timeout(i915, U64_MAX);
207 /* Amount of SAGV/QGV points, BSpec precisely defines this */
208 #define I915_NUM_QGV_POINTS 8
210 #define HAS_HW_SAGV_WM(i915) (DISPLAY_VER(i915) >= 13 && !IS_DGFX(i915))
212 /* Amount of PSF GV points, BSpec precisely defines this */
213 #define I915_NUM_PSF_GV_POINTS 3
215 struct intel_vbt_data {
220 unsigned int int_tv_support:1;
221 unsigned int int_crt_support:1;
222 unsigned int lvds_use_ssc:1;
223 unsigned int int_lvds_support:1;
224 unsigned int display_clock_mode:1;
225 unsigned int fdi_rx_polarity_inverted:1;
227 enum drm_panel_orientation orientation;
229 bool override_afc_startup;
230 u8 override_afc_startup_val;
234 struct list_head display_devices;
235 struct list_head bdb_blocks;
237 struct intel_bios_encoder_data *ports[I915_MAX_PORTS]; /* Non-NULL if port present. */
238 struct sdvo_device_mapping sdvo_mappings[2];
241 struct i915_frontbuffer_tracking {
245 * Tracking bits for delayed frontbuffer flushing du to gpu activity or
252 struct i915_virtual_gpu {
253 struct mutex lock; /* serialises sending of g2v_notify command pkts */
257 u8 *initial_cfg_space;
258 struct list_head entry;
261 struct i915_selftest_stash {
263 struct ida mock_region_instances;
266 struct drm_i915_private {
267 struct drm_device drm;
269 struct intel_display display;
271 /* FIXME: Device release actions should all be moved to drmm_ */
274 /* i915 device parameters */
275 struct i915_params params;
277 const struct intel_device_info __info; /* Use INTEL_INFO() to access. */
278 struct intel_runtime_info __runtime; /* Use RUNTIME_INFO() to access. */
279 struct intel_driver_caps caps;
282 * Data Stolen Memory - aka "i915 stolen memory" gives us the start and
283 * end of stolen which we can optionally use to create GEM objects
284 * backed by stolen memory. Note that stolen_usable_size tells us
285 * exactly how much of this we are actually allowed to use, given that
286 * some portion of it is in fact reserved for use by hardware functions.
290 * Reseved portion of Data Stolen Memory
292 struct resource dsm_reserved;
295 * Stolen memory is segmented in hardware with different portions
296 * offlimits to certain functions.
298 * The drm_mm is initialised to the total accessible range, as found
299 * from the PCI config. On Broadwell+, this is further restricted to
300 * avoid the first page! The upper end of stolen memory is reserved for
301 * hardware functions and similarly removed from the accessible range.
303 resource_size_t stolen_usable_size; /* Total size minus reserved ranges */
305 struct intel_uncore uncore;
306 struct intel_uncore_mmio_debug mmio_debug;
308 struct i915_virtual_gpu vgpu;
310 struct intel_gvt *gvt;
312 struct intel_wopcm wopcm;
314 /* MMIO base address for MIPI regs */
317 struct pci_dev *bridge_dev;
319 struct rb_root uabi_engines;
320 unsigned int engine_uabi_class_count[I915_LAST_UABI_ENGINE_CLASS + 1];
322 struct resource mch_res;
324 /* protects the irq masks */
327 bool display_irqs_enabled;
329 /* Sideband mailbox protection */
330 struct mutex sb_lock;
331 struct pm_qos_request sb_qos;
333 /** Cached value of IMR to avoid reads in updating the bitfield */
336 u32 de_irq_mask[I915_MAX_PIPES];
338 u32 pipestat_irq_mask[I915_MAX_PIPES];
340 struct intel_fbc *fbc[I915_MAX_FBCS];
341 struct intel_opregion opregion;
342 struct intel_vbt_data vbt;
344 bool preserve_bios_swizzle;
346 /* backlight registers and fields in struct intel_panel */
347 struct mutex backlight_lock;
349 unsigned int fsb_freq, mem_freq, is_ddr3;
350 unsigned int skl_preferred_vco_freq;
351 unsigned int max_cdclk_freq;
353 unsigned int max_dotclk_freq;
354 unsigned int hpll_freq;
355 unsigned int fdi_pll_freq;
356 unsigned int czclk_freq;
359 /* The current hardware cdclk configuration */
360 struct intel_cdclk_config hw;
362 /* cdclk, divider, and ratio table from bspec */
363 const struct intel_cdclk_vals *table;
365 struct intel_global_obj obj;
369 /* The current hardware dbuf configuration */
372 struct intel_global_obj obj;
376 * wq - Driver workqueue for GEM.
378 * NOTE: Work items scheduled here are not allowed to grab any modeset
379 * locks, for otherwise the flushing done in the pageflip code will
380 * result in deadlocks.
382 struct workqueue_struct *wq;
384 /* ordered wq for modesets */
385 struct workqueue_struct *modeset_wq;
386 /* unbound hipri wq for page flips/plane updates */
387 struct workqueue_struct *flip_wq;
389 /* pm private clock gating functions */
390 const struct drm_i915_clock_gating_funcs *clock_gating_funcs;
392 /* PCH chipset type */
393 enum intel_pch pch_type;
394 unsigned short pch_id;
396 unsigned long gem_quirks;
397 unsigned long quirks;
399 struct drm_atomic_state *modeset_restore_state;
400 struct drm_modeset_acquire_ctx reset_ctx;
402 struct i915_gem_mm mm;
404 /* Kernel Modesetting */
406 struct list_head global_obj_list;
408 struct i915_frontbuffer_tracking fb_tracking;
410 struct intel_atomic_helper {
411 struct llist_head free_list;
412 struct work_struct free_work;
415 bool mchbar_need_disable;
417 struct intel_l3_parity l3_parity;
420 * HTI (aka HDPORT) state read during initial hw readout. Most
421 * platforms don't have HTI, so this will just stay 0. Those that do
422 * will use this later to figure out which PLLs and PHYs are unavailable
429 * Cannot be determined by PCIID. You must always read a register.
433 struct i915_power_domains power_domains;
435 struct i915_gpu_error gpu_error;
437 struct drm_property *broadcast_rgb_property;
438 struct drm_property *force_audio_property;
442 /* Shadow for DISPLAY_PHY_CONTROL which can't be safely read */
445 * Shadows for CHV DPLL_MD regs to keep the state
446 * checker somewhat working in the presence hardware
447 * crappiness (can't read out DPLL_MD for pipes B & C).
449 u32 chv_dpll_md[I915_MAX_PIPES];
453 struct i915_suspend_saved_registers regfile;
454 struct vlv_s0ix_state *vlv_s0ix_state;
457 bool wm_lv_0_adjust_needed;
459 bool symmetric_memory;
460 enum intel_dram_type {
470 u8 num_psf_gv_points;
473 struct intel_bw_info {
474 /* for each QGV point */
475 unsigned int deratedbw[I915_NUM_QGV_POINTS];
476 /* for each PSF GV point */
477 unsigned int psf_bw[I915_NUM_PSF_GV_POINTS];
479 u8 num_psf_gv_points;
483 struct intel_global_obj bw_obj;
485 struct intel_runtime_pm runtime_pm;
487 struct i915_perf perf;
489 /* Abstract the submission mechanism (legacy ringbuffer or execlists) away */
493 * i915->gt[0] == &i915->gt0
495 #define I915_MAX_GT 4
496 struct intel_gt *gt[I915_MAX_GT];
498 struct kobject *sysfs_gt;
500 /* Quick lookup of media GT (current platforms only have one) */
501 struct intel_gt *media_gt;
504 struct i915_gem_contexts {
505 spinlock_t lock; /* locks list */
506 struct list_head list;
510 * We replace the local file with a global mappings as the
511 * backing storage for the mmap is on the device and not
512 * on the struct file, and we do not want to prolong the
513 * lifetime of the local fd. To minimise the number of
514 * anonymous inodes we create, we use a global singleton to
515 * share the global mapping.
517 struct file *mmap_singleton;
522 /* For i915gm/i945gm vblank irq workaround */
528 /* perform PHY state sanity checks? */
529 bool chv_phy_assert[2];
532 * DG2: Mask of PHYs that were not calibrated by the firmware
533 * and should not be used.
535 u8 snps_phy_failed_calibration;
542 struct i915_drm_clients clients;
544 struct i915_hdcp_comp_master *hdcp_master;
545 bool hdcp_comp_added;
547 /* Mutex to protect the above hdcp component related values. */
548 struct mutex hdcp_comp_mutex;
550 /* The TTM device structure. */
551 struct ttm_device bdev;
553 I915_SELFTEST_DECLARE(struct i915_selftest_stash selftest;)
556 * NOTE: This is the dri1/ums dungeon, don't add stuff here. Your patch
557 * will be rejected. Instead look for a better place.
561 static inline struct drm_i915_private *to_i915(const struct drm_device *dev)
563 return container_of(dev, struct drm_i915_private, drm);
566 static inline struct drm_i915_private *kdev_to_i915(struct device *kdev)
568 return dev_get_drvdata(kdev);
571 static inline struct drm_i915_private *pdev_to_i915(struct pci_dev *pdev)
573 return pci_get_drvdata(pdev);
576 static inline struct intel_gt *to_gt(struct drm_i915_private *i915)
581 /* Simple iterator over all initialised engines */
582 #define for_each_engine(engine__, dev_priv__, id__) \
584 (id__) < I915_NUM_ENGINES; \
586 for_each_if ((engine__) = (dev_priv__)->engine[(id__)])
588 /* Iterator over subset of engines selected by mask */
589 #define for_each_engine_masked(engine__, gt__, mask__, tmp__) \
590 for ((tmp__) = (mask__) & (gt__)->info.engine_mask; \
592 ((engine__) = (gt__)->engine[__mask_next_bit(tmp__)]), 1 : \
595 #define rb_to_uabi_engine(rb) \
596 rb_entry_safe(rb, struct intel_engine_cs, uabi_node)
598 #define for_each_uabi_engine(engine__, i915__) \
599 for ((engine__) = rb_to_uabi_engine(rb_first(&(i915__)->uabi_engines));\
601 (engine__) = rb_to_uabi_engine(rb_next(&(engine__)->uabi_node)))
603 #define for_each_uabi_class_engine(engine__, class__, i915__) \
604 for ((engine__) = intel_engine_lookup_user((i915__), (class__), 0); \
605 (engine__) && (engine__)->uabi_class == (class__); \
606 (engine__) = rb_to_uabi_engine(rb_next(&(engine__)->uabi_node)))
608 #define I915_GTT_OFFSET_NONE ((u32)-1)
610 #define INTEL_INFO(dev_priv) (&(dev_priv)->__info)
611 #define RUNTIME_INFO(dev_priv) (&(dev_priv)->__runtime)
612 #define DRIVER_CAPS(dev_priv) (&(dev_priv)->caps)
614 #define INTEL_DEVID(dev_priv) (RUNTIME_INFO(dev_priv)->device_id)
616 #define IP_VER(ver, rel) ((ver) << 8 | (rel))
618 #define GRAPHICS_VER(i915) (RUNTIME_INFO(i915)->graphics.ver)
619 #define GRAPHICS_VER_FULL(i915) IP_VER(RUNTIME_INFO(i915)->graphics.ver, \
620 RUNTIME_INFO(i915)->graphics.rel)
621 #define IS_GRAPHICS_VER(i915, from, until) \
622 (GRAPHICS_VER(i915) >= (from) && GRAPHICS_VER(i915) <= (until))
624 #define MEDIA_VER(i915) (INTEL_INFO(i915)->media.ver)
625 #define MEDIA_VER_FULL(i915) IP_VER(INTEL_INFO(i915)->media.ver, \
626 INTEL_INFO(i915)->media.rel)
627 #define IS_MEDIA_VER(i915, from, until) \
628 (MEDIA_VER(i915) >= (from) && MEDIA_VER(i915) <= (until))
630 #define DISPLAY_VER(i915) (INTEL_INFO(i915)->display.ver)
631 #define IS_DISPLAY_VER(i915, from, until) \
632 (DISPLAY_VER(i915) >= (from) && DISPLAY_VER(i915) <= (until))
634 #define INTEL_REVID(dev_priv) (to_pci_dev((dev_priv)->drm.dev)->revision)
636 #define HAS_DSB(dev_priv) (INTEL_INFO(dev_priv)->display.has_dsb)
638 #define INTEL_DISPLAY_STEP(__i915) (RUNTIME_INFO(__i915)->step.display_step)
639 #define INTEL_GRAPHICS_STEP(__i915) (RUNTIME_INFO(__i915)->step.graphics_step)
640 #define INTEL_MEDIA_STEP(__i915) (RUNTIME_INFO(__i915)->step.media_step)
641 #define INTEL_BASEDIE_STEP(__i915) (RUNTIME_INFO(__i915)->step.basedie_step)
643 #define IS_DISPLAY_STEP(__i915, since, until) \
644 (drm_WARN_ON(&(__i915)->drm, INTEL_DISPLAY_STEP(__i915) == STEP_NONE), \
645 INTEL_DISPLAY_STEP(__i915) >= (since) && INTEL_DISPLAY_STEP(__i915) < (until))
647 #define IS_GRAPHICS_STEP(__i915, since, until) \
648 (drm_WARN_ON(&(__i915)->drm, INTEL_GRAPHICS_STEP(__i915) == STEP_NONE), \
649 INTEL_GRAPHICS_STEP(__i915) >= (since) && INTEL_GRAPHICS_STEP(__i915) < (until))
651 #define IS_MEDIA_STEP(__i915, since, until) \
652 (drm_WARN_ON(&(__i915)->drm, INTEL_MEDIA_STEP(__i915) == STEP_NONE), \
653 INTEL_MEDIA_STEP(__i915) >= (since) && INTEL_MEDIA_STEP(__i915) < (until))
655 #define IS_BASEDIE_STEP(__i915, since, until) \
656 (drm_WARN_ON(&(__i915)->drm, INTEL_BASEDIE_STEP(__i915) == STEP_NONE), \
657 INTEL_BASEDIE_STEP(__i915) >= (since) && INTEL_BASEDIE_STEP(__i915) < (until))
659 static __always_inline unsigned int
660 __platform_mask_index(const struct intel_runtime_info *info,
661 enum intel_platform p)
663 const unsigned int pbits =
664 BITS_PER_TYPE(info->platform_mask[0]) - INTEL_SUBPLATFORM_BITS;
666 /* Expand the platform_mask array if this fails. */
667 BUILD_BUG_ON(INTEL_MAX_PLATFORMS >
668 pbits * ARRAY_SIZE(info->platform_mask));
673 static __always_inline unsigned int
674 __platform_mask_bit(const struct intel_runtime_info *info,
675 enum intel_platform p)
677 const unsigned int pbits =
678 BITS_PER_TYPE(info->platform_mask[0]) - INTEL_SUBPLATFORM_BITS;
680 return p % pbits + INTEL_SUBPLATFORM_BITS;
684 intel_subplatform(const struct intel_runtime_info *info, enum intel_platform p)
686 const unsigned int pi = __platform_mask_index(info, p);
688 return info->platform_mask[pi] & INTEL_SUBPLATFORM_MASK;
691 static __always_inline bool
692 IS_PLATFORM(const struct drm_i915_private *i915, enum intel_platform p)
694 const struct intel_runtime_info *info = RUNTIME_INFO(i915);
695 const unsigned int pi = __platform_mask_index(info, p);
696 const unsigned int pb = __platform_mask_bit(info, p);
698 BUILD_BUG_ON(!__builtin_constant_p(p));
700 return info->platform_mask[pi] & BIT(pb);
703 static __always_inline bool
704 IS_SUBPLATFORM(const struct drm_i915_private *i915,
705 enum intel_platform p, unsigned int s)
707 const struct intel_runtime_info *info = RUNTIME_INFO(i915);
708 const unsigned int pi = __platform_mask_index(info, p);
709 const unsigned int pb = __platform_mask_bit(info, p);
710 const unsigned int msb = BITS_PER_TYPE(info->platform_mask[0]) - 1;
711 const u32 mask = info->platform_mask[pi];
713 BUILD_BUG_ON(!__builtin_constant_p(p));
714 BUILD_BUG_ON(!__builtin_constant_p(s));
715 BUILD_BUG_ON((s) >= INTEL_SUBPLATFORM_BITS);
717 /* Shift and test on the MSB position so sign flag can be used. */
718 return ((mask << (msb - pb)) & (mask << (msb - s))) & BIT(msb);
721 #define IS_MOBILE(dev_priv) (INTEL_INFO(dev_priv)->is_mobile)
722 #define IS_DGFX(dev_priv) (INTEL_INFO(dev_priv)->is_dgfx)
724 #define IS_I830(dev_priv) IS_PLATFORM(dev_priv, INTEL_I830)
725 #define IS_I845G(dev_priv) IS_PLATFORM(dev_priv, INTEL_I845G)
726 #define IS_I85X(dev_priv) IS_PLATFORM(dev_priv, INTEL_I85X)
727 #define IS_I865G(dev_priv) IS_PLATFORM(dev_priv, INTEL_I865G)
728 #define IS_I915G(dev_priv) IS_PLATFORM(dev_priv, INTEL_I915G)
729 #define IS_I915GM(dev_priv) IS_PLATFORM(dev_priv, INTEL_I915GM)
730 #define IS_I945G(dev_priv) IS_PLATFORM(dev_priv, INTEL_I945G)
731 #define IS_I945GM(dev_priv) IS_PLATFORM(dev_priv, INTEL_I945GM)
732 #define IS_I965G(dev_priv) IS_PLATFORM(dev_priv, INTEL_I965G)
733 #define IS_I965GM(dev_priv) IS_PLATFORM(dev_priv, INTEL_I965GM)
734 #define IS_G45(dev_priv) IS_PLATFORM(dev_priv, INTEL_G45)
735 #define IS_GM45(dev_priv) IS_PLATFORM(dev_priv, INTEL_GM45)
736 #define IS_G4X(dev_priv) (IS_G45(dev_priv) || IS_GM45(dev_priv))
737 #define IS_PINEVIEW(dev_priv) IS_PLATFORM(dev_priv, INTEL_PINEVIEW)
738 #define IS_G33(dev_priv) IS_PLATFORM(dev_priv, INTEL_G33)
739 #define IS_IRONLAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_IRONLAKE)
740 #define IS_IRONLAKE_M(dev_priv) \
741 (IS_PLATFORM(dev_priv, INTEL_IRONLAKE) && IS_MOBILE(dev_priv))
742 #define IS_SANDYBRIDGE(dev_priv) IS_PLATFORM(dev_priv, INTEL_SANDYBRIDGE)
743 #define IS_IVYBRIDGE(dev_priv) IS_PLATFORM(dev_priv, INTEL_IVYBRIDGE)
744 #define IS_IVB_GT1(dev_priv) (IS_IVYBRIDGE(dev_priv) && \
745 INTEL_INFO(dev_priv)->gt == 1)
746 #define IS_VALLEYVIEW(dev_priv) IS_PLATFORM(dev_priv, INTEL_VALLEYVIEW)
747 #define IS_CHERRYVIEW(dev_priv) IS_PLATFORM(dev_priv, INTEL_CHERRYVIEW)
748 #define IS_HASWELL(dev_priv) IS_PLATFORM(dev_priv, INTEL_HASWELL)
749 #define IS_BROADWELL(dev_priv) IS_PLATFORM(dev_priv, INTEL_BROADWELL)
750 #define IS_SKYLAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_SKYLAKE)
751 #define IS_BROXTON(dev_priv) IS_PLATFORM(dev_priv, INTEL_BROXTON)
752 #define IS_KABYLAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_KABYLAKE)
753 #define IS_GEMINILAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_GEMINILAKE)
754 #define IS_COFFEELAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_COFFEELAKE)
755 #define IS_COMETLAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_COMETLAKE)
756 #define IS_ICELAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_ICELAKE)
757 #define IS_JSL_EHL(dev_priv) (IS_PLATFORM(dev_priv, INTEL_JASPERLAKE) || \
758 IS_PLATFORM(dev_priv, INTEL_ELKHARTLAKE))
759 #define IS_TIGERLAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_TIGERLAKE)
760 #define IS_ROCKETLAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_ROCKETLAKE)
761 #define IS_DG1(dev_priv) IS_PLATFORM(dev_priv, INTEL_DG1)
762 #define IS_ALDERLAKE_S(dev_priv) IS_PLATFORM(dev_priv, INTEL_ALDERLAKE_S)
763 #define IS_ALDERLAKE_P(dev_priv) IS_PLATFORM(dev_priv, INTEL_ALDERLAKE_P)
764 #define IS_XEHPSDV(dev_priv) IS_PLATFORM(dev_priv, INTEL_XEHPSDV)
765 #define IS_DG2(dev_priv) IS_PLATFORM(dev_priv, INTEL_DG2)
766 #define IS_PONTEVECCHIO(dev_priv) IS_PLATFORM(dev_priv, INTEL_PONTEVECCHIO)
767 #define IS_METEORLAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_METEORLAKE)
769 #define IS_METEORLAKE_M(dev_priv) \
770 IS_SUBPLATFORM(dev_priv, INTEL_METEORLAKE, INTEL_SUBPLATFORM_M)
771 #define IS_METEORLAKE_P(dev_priv) \
772 IS_SUBPLATFORM(dev_priv, INTEL_METEORLAKE, INTEL_SUBPLATFORM_P)
773 #define IS_DG2_G10(dev_priv) \
774 IS_SUBPLATFORM(dev_priv, INTEL_DG2, INTEL_SUBPLATFORM_G10)
775 #define IS_DG2_G11(dev_priv) \
776 IS_SUBPLATFORM(dev_priv, INTEL_DG2, INTEL_SUBPLATFORM_G11)
777 #define IS_DG2_G12(dev_priv) \
778 IS_SUBPLATFORM(dev_priv, INTEL_DG2, INTEL_SUBPLATFORM_G12)
779 #define IS_ADLS_RPLS(dev_priv) \
780 IS_SUBPLATFORM(dev_priv, INTEL_ALDERLAKE_S, INTEL_SUBPLATFORM_RPL)
781 #define IS_ADLP_N(dev_priv) \
782 IS_SUBPLATFORM(dev_priv, INTEL_ALDERLAKE_P, INTEL_SUBPLATFORM_N)
783 #define IS_ADLP_RPLP(dev_priv) \
784 IS_SUBPLATFORM(dev_priv, INTEL_ALDERLAKE_P, INTEL_SUBPLATFORM_RPL)
785 #define IS_HSW_EARLY_SDV(dev_priv) (IS_HASWELL(dev_priv) && \
786 (INTEL_DEVID(dev_priv) & 0xFF00) == 0x0C00)
787 #define IS_BDW_ULT(dev_priv) \
788 IS_SUBPLATFORM(dev_priv, INTEL_BROADWELL, INTEL_SUBPLATFORM_ULT)
789 #define IS_BDW_ULX(dev_priv) \
790 IS_SUBPLATFORM(dev_priv, INTEL_BROADWELL, INTEL_SUBPLATFORM_ULX)
791 #define IS_BDW_GT3(dev_priv) (IS_BROADWELL(dev_priv) && \
792 INTEL_INFO(dev_priv)->gt == 3)
793 #define IS_HSW_ULT(dev_priv) \
794 IS_SUBPLATFORM(dev_priv, INTEL_HASWELL, INTEL_SUBPLATFORM_ULT)
795 #define IS_HSW_GT3(dev_priv) (IS_HASWELL(dev_priv) && \
796 INTEL_INFO(dev_priv)->gt == 3)
797 #define IS_HSW_GT1(dev_priv) (IS_HASWELL(dev_priv) && \
798 INTEL_INFO(dev_priv)->gt == 1)
799 /* ULX machines are also considered ULT. */
800 #define IS_HSW_ULX(dev_priv) \
801 IS_SUBPLATFORM(dev_priv, INTEL_HASWELL, INTEL_SUBPLATFORM_ULX)
802 #define IS_SKL_ULT(dev_priv) \
803 IS_SUBPLATFORM(dev_priv, INTEL_SKYLAKE, INTEL_SUBPLATFORM_ULT)
804 #define IS_SKL_ULX(dev_priv) \
805 IS_SUBPLATFORM(dev_priv, INTEL_SKYLAKE, INTEL_SUBPLATFORM_ULX)
806 #define IS_KBL_ULT(dev_priv) \
807 IS_SUBPLATFORM(dev_priv, INTEL_KABYLAKE, INTEL_SUBPLATFORM_ULT)
808 #define IS_KBL_ULX(dev_priv) \
809 IS_SUBPLATFORM(dev_priv, INTEL_KABYLAKE, INTEL_SUBPLATFORM_ULX)
810 #define IS_SKL_GT2(dev_priv) (IS_SKYLAKE(dev_priv) && \
811 INTEL_INFO(dev_priv)->gt == 2)
812 #define IS_SKL_GT3(dev_priv) (IS_SKYLAKE(dev_priv) && \
813 INTEL_INFO(dev_priv)->gt == 3)
814 #define IS_SKL_GT4(dev_priv) (IS_SKYLAKE(dev_priv) && \
815 INTEL_INFO(dev_priv)->gt == 4)
816 #define IS_KBL_GT2(dev_priv) (IS_KABYLAKE(dev_priv) && \
817 INTEL_INFO(dev_priv)->gt == 2)
818 #define IS_KBL_GT3(dev_priv) (IS_KABYLAKE(dev_priv) && \
819 INTEL_INFO(dev_priv)->gt == 3)
820 #define IS_CFL_ULT(dev_priv) \
821 IS_SUBPLATFORM(dev_priv, INTEL_COFFEELAKE, INTEL_SUBPLATFORM_ULT)
822 #define IS_CFL_ULX(dev_priv) \
823 IS_SUBPLATFORM(dev_priv, INTEL_COFFEELAKE, INTEL_SUBPLATFORM_ULX)
824 #define IS_CFL_GT2(dev_priv) (IS_COFFEELAKE(dev_priv) && \
825 INTEL_INFO(dev_priv)->gt == 2)
826 #define IS_CFL_GT3(dev_priv) (IS_COFFEELAKE(dev_priv) && \
827 INTEL_INFO(dev_priv)->gt == 3)
829 #define IS_CML_ULT(dev_priv) \
830 IS_SUBPLATFORM(dev_priv, INTEL_COMETLAKE, INTEL_SUBPLATFORM_ULT)
831 #define IS_CML_ULX(dev_priv) \
832 IS_SUBPLATFORM(dev_priv, INTEL_COMETLAKE, INTEL_SUBPLATFORM_ULX)
833 #define IS_CML_GT2(dev_priv) (IS_COMETLAKE(dev_priv) && \
834 INTEL_INFO(dev_priv)->gt == 2)
836 #define IS_ICL_WITH_PORT_F(dev_priv) \
837 IS_SUBPLATFORM(dev_priv, INTEL_ICELAKE, INTEL_SUBPLATFORM_PORTF)
839 #define IS_TGL_UY(dev_priv) \
840 IS_SUBPLATFORM(dev_priv, INTEL_TIGERLAKE, INTEL_SUBPLATFORM_UY)
842 #define IS_SKL_GRAPHICS_STEP(p, since, until) (IS_SKYLAKE(p) && IS_GRAPHICS_STEP(p, since, until))
844 #define IS_KBL_GRAPHICS_STEP(dev_priv, since, until) \
845 (IS_KABYLAKE(dev_priv) && IS_GRAPHICS_STEP(dev_priv, since, until))
846 #define IS_KBL_DISPLAY_STEP(dev_priv, since, until) \
847 (IS_KABYLAKE(dev_priv) && IS_DISPLAY_STEP(dev_priv, since, until))
849 #define IS_JSL_EHL_GRAPHICS_STEP(p, since, until) \
850 (IS_JSL_EHL(p) && IS_GRAPHICS_STEP(p, since, until))
851 #define IS_JSL_EHL_DISPLAY_STEP(p, since, until) \
852 (IS_JSL_EHL(p) && IS_DISPLAY_STEP(p, since, until))
854 #define IS_TGL_DISPLAY_STEP(__i915, since, until) \
855 (IS_TIGERLAKE(__i915) && \
856 IS_DISPLAY_STEP(__i915, since, until))
858 #define IS_TGL_UY_GRAPHICS_STEP(__i915, since, until) \
859 (IS_TGL_UY(__i915) && \
860 IS_GRAPHICS_STEP(__i915, since, until))
862 #define IS_TGL_GRAPHICS_STEP(__i915, since, until) \
863 (IS_TIGERLAKE(__i915) && !IS_TGL_UY(__i915)) && \
864 IS_GRAPHICS_STEP(__i915, since, until))
866 #define IS_RKL_DISPLAY_STEP(p, since, until) \
867 (IS_ROCKETLAKE(p) && IS_DISPLAY_STEP(p, since, until))
869 #define IS_DG1_GRAPHICS_STEP(p, since, until) \
870 (IS_DG1(p) && IS_GRAPHICS_STEP(p, since, until))
871 #define IS_DG1_DISPLAY_STEP(p, since, until) \
872 (IS_DG1(p) && IS_DISPLAY_STEP(p, since, until))
874 #define IS_ADLS_DISPLAY_STEP(__i915, since, until) \
875 (IS_ALDERLAKE_S(__i915) && \
876 IS_DISPLAY_STEP(__i915, since, until))
878 #define IS_ADLS_GRAPHICS_STEP(__i915, since, until) \
879 (IS_ALDERLAKE_S(__i915) && \
880 IS_GRAPHICS_STEP(__i915, since, until))
882 #define IS_ADLP_DISPLAY_STEP(__i915, since, until) \
883 (IS_ALDERLAKE_P(__i915) && \
884 IS_DISPLAY_STEP(__i915, since, until))
886 #define IS_ADLP_GRAPHICS_STEP(__i915, since, until) \
887 (IS_ALDERLAKE_P(__i915) && \
888 IS_GRAPHICS_STEP(__i915, since, until))
890 #define IS_XEHPSDV_GRAPHICS_STEP(__i915, since, until) \
891 (IS_XEHPSDV(__i915) && IS_GRAPHICS_STEP(__i915, since, until))
894 * DG2 hardware steppings are a bit unusual. The hardware design was forked to
895 * create three variants (G10, G11, and G12) which each have distinct
896 * workaround sets. The G11 and G12 forks of the DG2 design reset the GT
897 * stepping back to "A0" for their first iterations, even though they're more
898 * similar to a G10 B0 stepping and G10 C0 stepping respectively in terms of
899 * functionality and workarounds. However the display stepping does not reset
900 * in the same manner --- a specific stepping like "B0" has a consistent
901 * meaning regardless of whether it belongs to a G10, G11, or G12 DG2.
903 * TLDR: All GT workarounds and stepping-specific logic must be applied in
904 * relation to a specific subplatform (G10/G11/G12), whereas display workarounds
905 * and stepping-specific logic will be applied with a general DG2-wide stepping
908 #define IS_DG2_GRAPHICS_STEP(__i915, variant, since, until) \
909 (IS_SUBPLATFORM(__i915, INTEL_DG2, INTEL_SUBPLATFORM_##variant) && \
910 IS_GRAPHICS_STEP(__i915, since, until))
912 #define IS_DG2_DISPLAY_STEP(__i915, since, until) \
914 IS_DISPLAY_STEP(__i915, since, until))
916 #define IS_PVC_BD_STEP(__i915, since, until) \
917 (IS_PONTEVECCHIO(__i915) && \
918 IS_BASEDIE_STEP(__i915, since, until))
920 #define IS_PVC_CT_STEP(__i915, since, until) \
921 (IS_PONTEVECCHIO(__i915) && \
922 IS_GRAPHICS_STEP(__i915, since, until))
924 #define IS_LP(dev_priv) (INTEL_INFO(dev_priv)->is_lp)
925 #define IS_GEN9_LP(dev_priv) (GRAPHICS_VER(dev_priv) == 9 && IS_LP(dev_priv))
926 #define IS_GEN9_BC(dev_priv) (GRAPHICS_VER(dev_priv) == 9 && !IS_LP(dev_priv))
928 #define __HAS_ENGINE(engine_mask, id) ((engine_mask) & BIT(id))
929 #define HAS_ENGINE(gt, id) __HAS_ENGINE((gt)->info.engine_mask, id)
931 #define ENGINE_INSTANCES_MASK(gt, first, count) ({ \
932 unsigned int first__ = (first); \
933 unsigned int count__ = (count); \
934 ((gt)->info.engine_mask & \
935 GENMASK(first__ + count__ - 1, first__)) >> first__; \
937 #define RCS_MASK(gt) \
938 ENGINE_INSTANCES_MASK(gt, RCS0, I915_MAX_RCS)
939 #define BCS_MASK(gt) \
940 ENGINE_INSTANCES_MASK(gt, BCS0, I915_MAX_BCS)
941 #define VDBOX_MASK(gt) \
942 ENGINE_INSTANCES_MASK(gt, VCS0, I915_MAX_VCS)
943 #define VEBOX_MASK(gt) \
944 ENGINE_INSTANCES_MASK(gt, VECS0, I915_MAX_VECS)
945 #define CCS_MASK(gt) \
946 ENGINE_INSTANCES_MASK(gt, CCS0, I915_MAX_CCS)
948 #define HAS_MEDIA_RATIO_MODE(dev_priv) (INTEL_INFO(dev_priv)->has_media_ratio_mode)
951 * The Gen7 cmdparser copies the scanned buffer to the ggtt for execution
952 * All later gens can run the final buffer from the ppgtt
954 #define CMDPARSER_USES_GGTT(dev_priv) (GRAPHICS_VER(dev_priv) == 7)
956 #define HAS_LLC(dev_priv) (INTEL_INFO(dev_priv)->has_llc)
957 #define HAS_4TILE(dev_priv) (INTEL_INFO(dev_priv)->has_4tile)
958 #define HAS_SNOOP(dev_priv) (INTEL_INFO(dev_priv)->has_snoop)
959 #define HAS_EDRAM(dev_priv) ((dev_priv)->edram_size_mb)
960 #define HAS_SECURE_BATCHES(dev_priv) (GRAPHICS_VER(dev_priv) < 6)
961 #define HAS_WT(dev_priv) HAS_EDRAM(dev_priv)
963 #define HWS_NEEDS_PHYSICAL(dev_priv) (INTEL_INFO(dev_priv)->hws_needs_physical)
965 #define HAS_LOGICAL_RING_CONTEXTS(dev_priv) \
966 (INTEL_INFO(dev_priv)->has_logical_ring_contexts)
967 #define HAS_LOGICAL_RING_ELSQ(dev_priv) \
968 (INTEL_INFO(dev_priv)->has_logical_ring_elsq)
970 #define HAS_EXECLISTS(dev_priv) HAS_LOGICAL_RING_CONTEXTS(dev_priv)
972 #define INTEL_PPGTT(dev_priv) (RUNTIME_INFO(dev_priv)->ppgtt_type)
973 #define HAS_PPGTT(dev_priv) \
974 (INTEL_PPGTT(dev_priv) != INTEL_PPGTT_NONE)
975 #define HAS_FULL_PPGTT(dev_priv) \
976 (INTEL_PPGTT(dev_priv) >= INTEL_PPGTT_FULL)
978 #define HAS_PAGE_SIZES(dev_priv, sizes) ({ \
979 GEM_BUG_ON((sizes) == 0); \
980 ((sizes) & ~RUNTIME_INFO(dev_priv)->page_sizes) == 0; \
983 #define HAS_OVERLAY(dev_priv) (INTEL_INFO(dev_priv)->display.has_overlay)
984 #define OVERLAY_NEEDS_PHYSICAL(dev_priv) \
985 (INTEL_INFO(dev_priv)->display.overlay_needs_physical)
987 /* Early gen2 have a totally busted CS tlb and require pinned batches. */
988 #define HAS_BROKEN_CS_TLB(dev_priv) (IS_I830(dev_priv) || IS_I845G(dev_priv))
990 #define NEEDS_RC6_CTX_CORRUPTION_WA(dev_priv) \
991 (IS_BROADWELL(dev_priv) || GRAPHICS_VER(dev_priv) == 9)
993 /* WaRsDisableCoarsePowerGating:skl,cnl */
994 #define NEEDS_WaRsDisableCoarsePowerGating(dev_priv) \
995 (IS_SKL_GT3(dev_priv) || IS_SKL_GT4(dev_priv))
997 #define HAS_GMBUS_IRQ(dev_priv) (DISPLAY_VER(dev_priv) >= 4)
998 #define HAS_GMBUS_BURST_READ(dev_priv) (DISPLAY_VER(dev_priv) >= 11 || \
999 IS_GEMINILAKE(dev_priv) || \
1000 IS_KABYLAKE(dev_priv))
1002 /* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
1003 * rows, which changed the alignment requirements and fence programming.
1005 #define HAS_128_BYTE_Y_TILING(dev_priv) (GRAPHICS_VER(dev_priv) != 2 && \
1006 !(IS_I915G(dev_priv) || IS_I915GM(dev_priv)))
1007 #define SUPPORTS_TV(dev_priv) (INTEL_INFO(dev_priv)->display.supports_tv)
1008 #define I915_HAS_HOTPLUG(dev_priv) (INTEL_INFO(dev_priv)->display.has_hotplug)
1010 #define HAS_FW_BLC(dev_priv) (DISPLAY_VER(dev_priv) > 2)
1011 #define HAS_FBC(dev_priv) (RUNTIME_INFO(dev_priv)->fbc_mask != 0)
1012 #define HAS_CUR_FBC(dev_priv) (!HAS_GMCH(dev_priv) && DISPLAY_VER(dev_priv) >= 7)
1014 #define HAS_IPS(dev_priv) (IS_HSW_ULT(dev_priv) || IS_BROADWELL(dev_priv))
1016 #define HAS_DP_MST(dev_priv) (INTEL_INFO(dev_priv)->display.has_dp_mst)
1017 #define HAS_DP20(dev_priv) (IS_DG2(dev_priv) || DISPLAY_VER(dev_priv) >= 14)
1019 #define HAS_CDCLK_CRAWL(dev_priv) (INTEL_INFO(dev_priv)->display.has_cdclk_crawl)
1020 #define HAS_DDI(dev_priv) (INTEL_INFO(dev_priv)->display.has_ddi)
1021 #define HAS_FPGA_DBG_UNCLAIMED(dev_priv) (INTEL_INFO(dev_priv)->display.has_fpga_dbg)
1022 #define HAS_PSR(dev_priv) (INTEL_INFO(dev_priv)->display.has_psr)
1023 #define HAS_PSR_HW_TRACKING(dev_priv) \
1024 (INTEL_INFO(dev_priv)->display.has_psr_hw_tracking)
1025 #define HAS_PSR2_SEL_FETCH(dev_priv) (DISPLAY_VER(dev_priv) >= 12)
1026 #define HAS_TRANSCODER(dev_priv, trans) ((RUNTIME_INFO(dev_priv)->cpu_transcoder_mask & BIT(trans)) != 0)
1028 #define HAS_RC6(dev_priv) (INTEL_INFO(dev_priv)->has_rc6)
1029 #define HAS_RC6p(dev_priv) (INTEL_INFO(dev_priv)->has_rc6p)
1030 #define HAS_RC6pp(dev_priv) (false) /* HW was never validated */
1032 #define HAS_RPS(dev_priv) (INTEL_INFO(dev_priv)->has_rps)
1034 #define HAS_DMC(dev_priv) (RUNTIME_INFO(dev_priv)->has_dmc)
1036 #define HAS_HECI_PXP(dev_priv) \
1037 (INTEL_INFO(dev_priv)->has_heci_pxp)
1039 #define HAS_HECI_GSCFI(dev_priv) \
1040 (INTEL_INFO(dev_priv)->has_heci_gscfi)
1042 #define HAS_HECI_GSC(dev_priv) (HAS_HECI_PXP(dev_priv) || HAS_HECI_GSCFI(dev_priv))
1044 #define HAS_MSO(i915) (DISPLAY_VER(i915) >= 12)
1046 #define HAS_RUNTIME_PM(dev_priv) (INTEL_INFO(dev_priv)->has_runtime_pm)
1047 #define HAS_64BIT_RELOC(dev_priv) (INTEL_INFO(dev_priv)->has_64bit_reloc)
1050 * Set this flag, when platform requires 64K GTT page sizes or larger for
1051 * device local memory access.
1053 #define HAS_64K_PAGES(dev_priv) (INTEL_INFO(dev_priv)->has_64k_pages)
1056 * Set this flag when platform doesn't allow both 64k pages and 4k pages in
1057 * the same PT. this flag means we need to support compact PT layout for the
1058 * ppGTT when using the 64K GTT pages.
1060 #define NEEDS_COMPACT_PT(dev_priv) (INTEL_INFO(dev_priv)->needs_compact_pt)
1062 #define HAS_IPC(dev_priv) (INTEL_INFO(dev_priv)->display.has_ipc)
1064 #define HAS_REGION(i915, i) (RUNTIME_INFO(i915)->memory_regions & (i))
1065 #define HAS_LMEM(i915) HAS_REGION(i915, REGION_LMEM)
1067 #define HAS_EXTRA_GT_LIST(dev_priv) (INTEL_INFO(dev_priv)->extra_gt_list)
1070 * Platform has the dedicated compression control state for each lmem surfaces
1071 * stored in lmem to support the 3D and media compression formats.
1073 #define HAS_FLAT_CCS(dev_priv) (INTEL_INFO(dev_priv)->has_flat_ccs)
1075 #define HAS_GT_UC(dev_priv) (INTEL_INFO(dev_priv)->has_gt_uc)
1077 #define HAS_POOLED_EU(dev_priv) (RUNTIME_INFO(dev_priv)->has_pooled_eu)
1079 #define HAS_GLOBAL_MOCS_REGISTERS(dev_priv) (INTEL_INFO(dev_priv)->has_global_mocs)
1081 #define HAS_PXP(dev_priv) ((IS_ENABLED(CONFIG_DRM_I915_PXP) && \
1082 INTEL_INFO(dev_priv)->has_pxp) && \
1083 VDBOX_MASK(to_gt(dev_priv)))
1085 #define HAS_GMCH(dev_priv) (INTEL_INFO(dev_priv)->display.has_gmch)
1087 #define HAS_LSPCON(dev_priv) (IS_DISPLAY_VER(dev_priv, 9, 10))
1089 #define HAS_L3_CCS_READ(i915) (INTEL_INFO(i915)->has_l3_ccs_read)
1091 /* DPF == dynamic parity feature */
1092 #define HAS_L3_DPF(dev_priv) (INTEL_INFO(dev_priv)->has_l3_dpf)
1093 #define NUM_L3_SLICES(dev_priv) (IS_HSW_GT3(dev_priv) ? \
1094 2 : HAS_L3_DPF(dev_priv))
1096 #define GT_FREQUENCY_MULTIPLIER 50
1097 #define GEN9_FREQ_SCALER 3
1099 #define INTEL_NUM_PIPES(dev_priv) (hweight8(RUNTIME_INFO(dev_priv)->pipe_mask))
1101 #define HAS_DISPLAY(dev_priv) (RUNTIME_INFO(dev_priv)->pipe_mask != 0)
1103 #define HAS_VRR(i915) (DISPLAY_VER(i915) >= 11)
1105 #define HAS_ASYNC_FLIPS(i915) (DISPLAY_VER(i915) >= 5)
1107 /* Only valid when HAS_DISPLAY() is true */
1108 #define INTEL_DISPLAY_ENABLED(dev_priv) \
1109 (drm_WARN_ON(&(dev_priv)->drm, !HAS_DISPLAY(dev_priv)), \
1110 !(dev_priv)->params.disable_display && \
1111 !intel_opregion_headless_sku(dev_priv))
1113 #define HAS_GUC_DEPRIVILEGE(dev_priv) \
1114 (INTEL_INFO(dev_priv)->has_guc_deprivilege)
1116 #define HAS_D12_PLANE_MINIMIZATION(dev_priv) (IS_ROCKETLAKE(dev_priv) || \
1117 IS_ALDERLAKE_S(dev_priv))
1119 #define HAS_MBUS_JOINING(i915) (IS_ALDERLAKE_P(i915) || DISPLAY_VER(i915) >= 14)
1121 #define HAS_3D_PIPELINE(i915) (INTEL_INFO(i915)->has_3d_pipeline)
1123 #define HAS_ONE_EU_PER_FUSE_BIT(i915) (INTEL_INFO(i915)->has_one_eu_per_fuse_bit)
1126 void i915_gem_init_early(struct drm_i915_private *dev_priv);
1127 void i915_gem_cleanup_early(struct drm_i915_private *dev_priv);
1129 static inline void i915_gem_drain_freed_objects(struct drm_i915_private *i915)
1132 * A single pass should suffice to release all the freed objects (along
1133 * most call paths) , but be a little more paranoid in that freeing
1134 * the objects does take a little amount of time, during which the rcu
1135 * callbacks could have added new objects into the freed list, and
1136 * armed the work again.
1138 while (atomic_read(&i915->mm.free_count)) {
1139 flush_work(&i915->mm.free_work);
1140 flush_delayed_work(&i915->bdev.wq);
1145 static inline void i915_gem_drain_workqueue(struct drm_i915_private *i915)
1148 * Similar to objects above (see i915_gem_drain_freed-objects), in
1149 * general we have workers that are armed by RCU and then rearm
1150 * themselves in their callbacks. To be paranoid, we need to
1151 * drain the workqueue a second time after waiting for the RCU
1152 * grace period so that we catch work queued via RCU from the first
1153 * pass. As neither drain_workqueue() nor flush_workqueue() report
1154 * a result, we make an assumption that we only don't require more
1155 * than 3 passes to catch all _recursive_ RCU delayed work.
1160 flush_workqueue(i915->wq);
1162 i915_gem_drain_freed_objects(i915);
1164 drain_workqueue(i915->wq);
1167 struct i915_vma * __must_check
1168 i915_gem_object_ggtt_pin_ww(struct drm_i915_gem_object *obj,
1169 struct i915_gem_ww_ctx *ww,
1170 const struct i915_gtt_view *view,
1171 u64 size, u64 alignment, u64 flags);
1173 struct i915_vma * __must_check
1174 i915_gem_object_ggtt_pin(struct drm_i915_gem_object *obj,
1175 const struct i915_gtt_view *view,
1176 u64 size, u64 alignment, u64 flags);
1178 int i915_gem_object_unbind(struct drm_i915_gem_object *obj,
1179 unsigned long flags);
1180 #define I915_GEM_OBJECT_UNBIND_ACTIVE BIT(0)
1181 #define I915_GEM_OBJECT_UNBIND_BARRIER BIT(1)
1182 #define I915_GEM_OBJECT_UNBIND_TEST BIT(2)
1183 #define I915_GEM_OBJECT_UNBIND_VM_TRYLOCK BIT(3)
1184 #define I915_GEM_OBJECT_UNBIND_ASYNC BIT(4)
1186 void i915_gem_runtime_suspend(struct drm_i915_private *dev_priv);
1188 int __must_check i915_gem_set_global_seqno(struct drm_device *dev, u32 seqno);
1190 int __must_check i915_gem_init(struct drm_i915_private *dev_priv);
1191 void i915_gem_driver_register(struct drm_i915_private *i915);
1192 void i915_gem_driver_unregister(struct drm_i915_private *i915);
1193 void i915_gem_driver_remove(struct drm_i915_private *dev_priv);
1194 void i915_gem_driver_release(struct drm_i915_private *dev_priv);
1196 int i915_gem_open(struct drm_i915_private *i915, struct drm_file *file);
1198 /* intel_device_info.c */
1199 static inline struct intel_device_info *
1200 mkwrite_device_info(struct drm_i915_private *dev_priv)
1202 return (struct intel_device_info *)INTEL_INFO(dev_priv);
1205 static inline enum i915_map_type
1206 i915_coherent_map_type(struct drm_i915_private *i915,
1207 struct drm_i915_gem_object *obj, bool always_coherent)
1209 if (i915_gem_object_is_lmem(obj))
1211 if (HAS_LLC(i915) || always_coherent)