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>
34 #include <uapi/drm/drm_fourcc.h>
36 #include <linux/io-mapping.h>
37 #include <linux/i2c.h>
38 #include <linux/i2c-algo-bit.h>
39 #include <linux/backlight.h>
40 #include <linux/hashtable.h>
41 #include <linux/intel-iommu.h>
42 #include <linux/kref.h>
43 #include <linux/pm_qos.h>
44 #include <linux/shmem_fs.h>
47 #include <drm/intel-gtt.h>
48 #include <drm/drm_legacy.h> /* for struct drm_dma_handle */
49 #include <drm/drm_gem.h>
51 #include "i915_params.h"
54 #include "intel_bios.h"
55 #include "intel_dpll_mgr.h"
56 #include "intel_guc.h"
57 #include "intel_lrc.h"
58 #include "intel_ringbuffer.h"
61 #include "i915_gem_gtt.h"
62 #include "i915_gem_render_state.h"
64 /* General customization:
67 #define DRIVER_NAME "i915"
68 #define DRIVER_DESC "Intel Graphics"
69 #define DRIVER_DATE "20160425"
72 /* Many gcc seem to no see through this and fall over :( */
74 #define WARN_ON(x) ({ \
75 bool __i915_warn_cond = (x); \
76 if (__builtin_constant_p(__i915_warn_cond)) \
77 BUILD_BUG_ON(__i915_warn_cond); \
78 WARN(__i915_warn_cond, "WARN_ON(" #x ")"); })
80 #define WARN_ON(x) WARN((x), "%s", "WARN_ON(" __stringify(x) ")")
84 #define WARN_ON_ONCE(x) WARN_ONCE((x), "%s", "WARN_ON_ONCE(" __stringify(x) ")")
86 #define MISSING_CASE(x) WARN(1, "Missing switch case (%lu) in %s\n", \
87 (long) (x), __func__);
89 /* Use I915_STATE_WARN(x) and I915_STATE_WARN_ON() (rather than WARN() and
90 * WARN_ON()) for hw state sanity checks to check for unexpected conditions
91 * which may not necessarily be a user visible problem. This will either
92 * WARN() or DRM_ERROR() depending on the verbose_checks moduleparam, to
93 * enable distros and users to tailor their preferred amount of i915 abrt
96 #define I915_STATE_WARN(condition, format...) ({ \
97 int __ret_warn_on = !!(condition); \
98 if (unlikely(__ret_warn_on)) \
99 if (!WARN(i915.verbose_state_checks, format)) \
101 unlikely(__ret_warn_on); \
104 #define I915_STATE_WARN_ON(x) \
105 I915_STATE_WARN((x), "%s", "WARN_ON(" __stringify(x) ")")
107 bool __i915_inject_load_failure(const char *func
, int line
);
108 #define i915_inject_load_failure() \
109 __i915_inject_load_failure(__func__, __LINE__)
111 static inline const char *yesno(bool v
)
113 return v
? "yes" : "no";
116 static inline const char *onoff(bool v
)
118 return v
? "on" : "off";
127 I915_MAX_PIPES
= _PIPE_EDP
129 #define pipe_name(p) ((p) + 'A')
141 static inline const char *transcoder_name(enum transcoder transcoder
)
143 switch (transcoder
) {
152 case TRANSCODER_DSI_A
:
154 case TRANSCODER_DSI_C
:
161 static inline bool transcoder_is_dsi(enum transcoder transcoder
)
163 return transcoder
== TRANSCODER_DSI_A
|| transcoder
== TRANSCODER_DSI_C
;
167 * I915_MAX_PLANES in the enum below is the maximum (across all platforms)
168 * number of planes per CRTC. Not all platforms really have this many planes,
169 * which means some arrays of size I915_MAX_PLANES may have unused entries
170 * between the topmost sprite plane and the cursor plane.
179 #define plane_name(p) ((p) + 'A')
181 #define sprite_name(p, s) ((p) * INTEL_INFO(dev)->num_sprites[(p)] + (s) + 'A')
191 #define port_name(p) ((p) + 'A')
193 #define I915_NUM_PHYS_VLV 2
205 enum intel_display_power_domain
{
209 POWER_DOMAIN_PIPE_A_PANEL_FITTER
,
210 POWER_DOMAIN_PIPE_B_PANEL_FITTER
,
211 POWER_DOMAIN_PIPE_C_PANEL_FITTER
,
212 POWER_DOMAIN_TRANSCODER_A
,
213 POWER_DOMAIN_TRANSCODER_B
,
214 POWER_DOMAIN_TRANSCODER_C
,
215 POWER_DOMAIN_TRANSCODER_EDP
,
216 POWER_DOMAIN_TRANSCODER_DSI_A
,
217 POWER_DOMAIN_TRANSCODER_DSI_C
,
218 POWER_DOMAIN_PORT_DDI_A_LANES
,
219 POWER_DOMAIN_PORT_DDI_B_LANES
,
220 POWER_DOMAIN_PORT_DDI_C_LANES
,
221 POWER_DOMAIN_PORT_DDI_D_LANES
,
222 POWER_DOMAIN_PORT_DDI_E_LANES
,
223 POWER_DOMAIN_PORT_DSI
,
224 POWER_DOMAIN_PORT_CRT
,
225 POWER_DOMAIN_PORT_OTHER
,
234 POWER_DOMAIN_MODESET
,
240 #define POWER_DOMAIN_PIPE(pipe) ((pipe) + POWER_DOMAIN_PIPE_A)
241 #define POWER_DOMAIN_PIPE_PANEL_FITTER(pipe) \
242 ((pipe) + POWER_DOMAIN_PIPE_A_PANEL_FITTER)
243 #define POWER_DOMAIN_TRANSCODER(tran) \
244 ((tran) == TRANSCODER_EDP ? POWER_DOMAIN_TRANSCODER_EDP : \
245 (tran) + POWER_DOMAIN_TRANSCODER_A)
249 HPD_TV
= HPD_NONE
, /* TV is known to be unreliable */
261 #define for_each_hpd_pin(__pin) \
262 for ((__pin) = (HPD_NONE + 1); (__pin) < HPD_NUM_PINS; (__pin)++)
264 struct i915_hotplug
{
265 struct work_struct hotplug_work
;
268 unsigned long last_jiffies
;
273 HPD_MARK_DISABLED
= 2
275 } stats
[HPD_NUM_PINS
];
277 struct delayed_work reenable_work
;
279 struct intel_digital_port
*irq_port
[I915_MAX_PORTS
];
282 struct work_struct dig_port_work
;
285 * if we get a HPD irq from DP and a HPD irq from non-DP
286 * the non-DP HPD could block the workqueue on a mode config
287 * mutex getting, that userspace may have taken. However
288 * userspace is waiting on the DP workqueue to run which is
289 * blocked behind the non-DP one.
291 struct workqueue_struct
*dp_wq
;
294 #define I915_GEM_GPU_DOMAINS \
295 (I915_GEM_DOMAIN_RENDER | \
296 I915_GEM_DOMAIN_SAMPLER | \
297 I915_GEM_DOMAIN_COMMAND | \
298 I915_GEM_DOMAIN_INSTRUCTION | \
299 I915_GEM_DOMAIN_VERTEX)
301 #define for_each_pipe(__dev_priv, __p) \
302 for ((__p) = 0; (__p) < INTEL_INFO(__dev_priv)->num_pipes; (__p)++)
303 #define for_each_pipe_masked(__dev_priv, __p, __mask) \
304 for ((__p) = 0; (__p) < INTEL_INFO(__dev_priv)->num_pipes; (__p)++) \
305 for_each_if ((__mask) & (1 << (__p)))
306 #define for_each_plane(__dev_priv, __pipe, __p) \
308 (__p) < INTEL_INFO(__dev_priv)->num_sprites[(__pipe)] + 1; \
310 #define for_each_sprite(__dev_priv, __p, __s) \
312 (__s) < INTEL_INFO(__dev_priv)->num_sprites[(__p)]; \
315 #define for_each_port_masked(__port, __ports_mask) \
316 for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++) \
317 for_each_if ((__ports_mask) & (1 << (__port)))
319 #define for_each_crtc(dev, crtc) \
320 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
322 #define for_each_intel_plane(dev, intel_plane) \
323 list_for_each_entry(intel_plane, \
324 &dev->mode_config.plane_list, \
327 #define for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) \
328 list_for_each_entry(intel_plane, \
329 &(dev)->mode_config.plane_list, \
331 for_each_if ((intel_plane)->pipe == (intel_crtc)->pipe)
333 #define for_each_intel_crtc(dev, intel_crtc) \
334 list_for_each_entry(intel_crtc, &dev->mode_config.crtc_list, base.head)
336 #define for_each_intel_encoder(dev, intel_encoder) \
337 list_for_each_entry(intel_encoder, \
338 &(dev)->mode_config.encoder_list, \
341 #define for_each_intel_connector(dev, intel_connector) \
342 list_for_each_entry(intel_connector, \
343 &dev->mode_config.connector_list, \
346 #define for_each_encoder_on_crtc(dev, __crtc, intel_encoder) \
347 list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \
348 for_each_if ((intel_encoder)->base.crtc == (__crtc))
350 #define for_each_connector_on_encoder(dev, __encoder, intel_connector) \
351 list_for_each_entry((intel_connector), &(dev)->mode_config.connector_list, base.head) \
352 for_each_if ((intel_connector)->base.encoder == (__encoder))
354 #define for_each_power_domain(domain, mask) \
355 for ((domain) = 0; (domain) < POWER_DOMAIN_NUM; (domain)++) \
356 for_each_if ((1 << (domain)) & (mask))
358 struct drm_i915_private
;
359 struct i915_mm_struct
;
360 struct i915_mmu_object
;
362 struct drm_i915_file_private
{
363 struct drm_i915_private
*dev_priv
;
364 struct drm_file
*file
;
368 struct list_head request_list
;
369 /* 20ms is a fairly arbitrary limit (greater than the average frame time)
370 * chosen to prevent the CPU getting more than a frame ahead of the GPU
371 * (when using lax throttling for the frontbuffer). We also use it to
372 * offer free GPU waitboosts for severely congested workloads.
374 #define DRM_I915_THROTTLE_JIFFIES msecs_to_jiffies(20)
376 struct idr context_idr
;
378 struct intel_rps_client
{
379 struct list_head link
;
383 unsigned int bsd_ring
;
386 /* Used by dp and fdi links */
387 struct intel_link_m_n
{
395 void intel_link_compute_m_n(int bpp
, int nlanes
,
396 int pixel_clock
, int link_clock
,
397 struct intel_link_m_n
*m_n
);
399 /* Interface history:
402 * 1.2: Add Power Management
403 * 1.3: Add vblank support
404 * 1.4: Fix cmdbuffer path, add heap destroy
405 * 1.5: Add vblank pipe configuration
406 * 1.6: - New ioctl for scheduling buffer swaps on vertical blank
407 * - Support vertical blank on secondary display pipe
409 #define DRIVER_MAJOR 1
410 #define DRIVER_MINOR 6
411 #define DRIVER_PATCHLEVEL 0
413 #define WATCH_LISTS 0
415 struct opregion_header
;
416 struct opregion_acpi
;
417 struct opregion_swsci
;
418 struct opregion_asle
;
420 struct intel_opregion
{
421 struct opregion_header
*header
;
422 struct opregion_acpi
*acpi
;
423 struct opregion_swsci
*swsci
;
424 u32 swsci_gbda_sub_functions
;
425 u32 swsci_sbcb_sub_functions
;
426 struct opregion_asle
*asle
;
431 struct work_struct asle_work
;
433 #define OPREGION_SIZE (8*1024)
435 struct intel_overlay
;
436 struct intel_overlay_error_state
;
438 #define I915_FENCE_REG_NONE -1
439 #define I915_MAX_NUM_FENCES 32
440 /* 32 fences + sign bit for FENCE_REG_NONE */
441 #define I915_MAX_NUM_FENCE_BITS 6
443 struct drm_i915_fence_reg
{
444 struct list_head lru_list
;
445 struct drm_i915_gem_object
*obj
;
449 struct sdvo_device_mapping
{
458 struct intel_display_error_state
;
460 struct drm_i915_error_state
{
469 /* Generic register state */
477 u32 error
; /* gen6+ */
478 u32 err_int
; /* gen7 */
479 u32 fault_data0
; /* gen8, gen9 */
480 u32 fault_data1
; /* gen8, gen9 */
486 u32 extra_instdone
[I915_NUM_INSTDONE_REG
];
487 u64 fence
[I915_MAX_NUM_FENCES
];
488 struct intel_overlay_error_state
*overlay
;
489 struct intel_display_error_state
*display
;
490 struct drm_i915_error_object
*semaphore_obj
;
492 struct drm_i915_error_ring
{
494 /* Software tracked state */
497 enum intel_ring_hangcheck_action hangcheck_action
;
500 /* our own tracking of ring head and tail */
505 u32 semaphore_seqno
[I915_NUM_ENGINES
- 1];
524 u32 rc_psmi
; /* sleep state */
525 u32 semaphore_mboxes
[I915_NUM_ENGINES
- 1];
527 struct drm_i915_error_object
{
531 } *ringbuffer
, *batchbuffer
, *wa_batchbuffer
, *ctx
, *hws_page
;
533 struct drm_i915_error_object
*wa_ctx
;
535 struct drm_i915_error_request
{
550 char comm
[TASK_COMM_LEN
];
551 } ring
[I915_NUM_ENGINES
];
553 struct drm_i915_error_buffer
{
556 u32 rseqno
[I915_NUM_ENGINES
], wseqno
;
560 s32 fence_reg
:I915_MAX_NUM_FENCE_BITS
;
568 } **active_bo
, **pinned_bo
;
570 u32
*active_bo_count
, *pinned_bo_count
;
574 struct intel_connector
;
575 struct intel_encoder
;
576 struct intel_crtc_state
;
577 struct intel_initial_plane_config
;
582 struct drm_i915_display_funcs
{
583 int (*get_display_clock_speed
)(struct drm_device
*dev
);
584 int (*get_fifo_size
)(struct drm_device
*dev
, int plane
);
585 int (*compute_pipe_wm
)(struct intel_crtc_state
*cstate
);
586 int (*compute_intermediate_wm
)(struct drm_device
*dev
,
587 struct intel_crtc
*intel_crtc
,
588 struct intel_crtc_state
*newstate
);
589 void (*initial_watermarks
)(struct intel_crtc_state
*cstate
);
590 void (*optimize_watermarks
)(struct intel_crtc_state
*cstate
);
591 void (*update_wm
)(struct drm_crtc
*crtc
);
592 int (*modeset_calc_cdclk
)(struct drm_atomic_state
*state
);
593 void (*modeset_commit_cdclk
)(struct drm_atomic_state
*state
);
594 /* Returns the active state of the crtc, and if the crtc is active,
595 * fills out the pipe-config with the hw state. */
596 bool (*get_pipe_config
)(struct intel_crtc
*,
597 struct intel_crtc_state
*);
598 void (*get_initial_plane_config
)(struct intel_crtc
*,
599 struct intel_initial_plane_config
*);
600 int (*crtc_compute_clock
)(struct intel_crtc
*crtc
,
601 struct intel_crtc_state
*crtc_state
);
602 void (*crtc_enable
)(struct drm_crtc
*crtc
);
603 void (*crtc_disable
)(struct drm_crtc
*crtc
);
604 void (*audio_codec_enable
)(struct drm_connector
*connector
,
605 struct intel_encoder
*encoder
,
606 const struct drm_display_mode
*adjusted_mode
);
607 void (*audio_codec_disable
)(struct intel_encoder
*encoder
);
608 void (*fdi_link_train
)(struct drm_crtc
*crtc
);
609 void (*init_clock_gating
)(struct drm_device
*dev
);
610 int (*queue_flip
)(struct drm_device
*dev
, struct drm_crtc
*crtc
,
611 struct drm_framebuffer
*fb
,
612 struct drm_i915_gem_object
*obj
,
613 struct drm_i915_gem_request
*req
,
615 void (*hpd_irq_setup
)(struct drm_device
*dev
);
616 /* clock updates for mode set */
618 /* render clock increase/decrease */
619 /* display clock increase/decrease */
620 /* pll clock increase/decrease */
622 void (*load_csc_matrix
)(struct drm_crtc_state
*crtc_state
);
623 void (*load_luts
)(struct drm_crtc_state
*crtc_state
);
626 enum forcewake_domain_id
{
627 FW_DOMAIN_ID_RENDER
= 0,
628 FW_DOMAIN_ID_BLITTER
,
634 enum forcewake_domains
{
635 FORCEWAKE_RENDER
= (1 << FW_DOMAIN_ID_RENDER
),
636 FORCEWAKE_BLITTER
= (1 << FW_DOMAIN_ID_BLITTER
),
637 FORCEWAKE_MEDIA
= (1 << FW_DOMAIN_ID_MEDIA
),
638 FORCEWAKE_ALL
= (FORCEWAKE_RENDER
|
643 #define FW_REG_READ (1)
644 #define FW_REG_WRITE (2)
646 enum forcewake_domains
647 intel_uncore_forcewake_for_reg(struct drm_i915_private
*dev_priv
,
648 i915_reg_t reg
, unsigned int op
);
650 struct intel_uncore_funcs
{
651 void (*force_wake_get
)(struct drm_i915_private
*dev_priv
,
652 enum forcewake_domains domains
);
653 void (*force_wake_put
)(struct drm_i915_private
*dev_priv
,
654 enum forcewake_domains domains
);
656 uint8_t (*mmio_readb
)(struct drm_i915_private
*dev_priv
, i915_reg_t r
, bool trace
);
657 uint16_t (*mmio_readw
)(struct drm_i915_private
*dev_priv
, i915_reg_t r
, bool trace
);
658 uint32_t (*mmio_readl
)(struct drm_i915_private
*dev_priv
, i915_reg_t r
, bool trace
);
659 uint64_t (*mmio_readq
)(struct drm_i915_private
*dev_priv
, i915_reg_t r
, bool trace
);
661 void (*mmio_writeb
)(struct drm_i915_private
*dev_priv
, i915_reg_t r
,
662 uint8_t val
, bool trace
);
663 void (*mmio_writew
)(struct drm_i915_private
*dev_priv
, i915_reg_t r
,
664 uint16_t val
, bool trace
);
665 void (*mmio_writel
)(struct drm_i915_private
*dev_priv
, i915_reg_t r
,
666 uint32_t val
, bool trace
);
667 void (*mmio_writeq
)(struct drm_i915_private
*dev_priv
, i915_reg_t r
,
668 uint64_t val
, bool trace
);
671 struct intel_uncore
{
672 spinlock_t lock
; /** lock is also taken in irq contexts. */
674 struct intel_uncore_funcs funcs
;
677 enum forcewake_domains fw_domains
;
679 struct intel_uncore_forcewake_domain
{
680 struct drm_i915_private
*i915
;
681 enum forcewake_domain_id id
;
682 enum forcewake_domains mask
;
684 struct hrtimer timer
;
691 } fw_domain
[FW_DOMAIN_ID_COUNT
];
693 int unclaimed_mmio_check
;
696 /* Iterate over initialised fw domains */
697 #define for_each_fw_domain_masked(domain__, mask__, dev_priv__) \
698 for ((domain__) = &(dev_priv__)->uncore.fw_domain[0]; \
699 (domain__) < &(dev_priv__)->uncore.fw_domain[FW_DOMAIN_ID_COUNT]; \
701 for_each_if ((mask__) & (domain__)->mask)
703 #define for_each_fw_domain(domain__, dev_priv__) \
704 for_each_fw_domain_masked(domain__, FORCEWAKE_ALL, dev_priv__)
706 #define CSR_VERSION(major, minor) ((major) << 16 | (minor))
707 #define CSR_VERSION_MAJOR(version) ((version) >> 16)
708 #define CSR_VERSION_MINOR(version) ((version) & 0xffff)
711 struct work_struct work
;
713 uint32_t *dmc_payload
;
714 uint32_t dmc_fw_size
;
717 i915_reg_t mmioaddr
[8];
718 uint32_t mmiodata
[8];
720 uint32_t allowed_dc_mask
;
723 #define DEV_INFO_FOR_EACH_FLAG(func, sep) \
724 func(is_mobile) sep \
727 func(is_i945gm) sep \
729 func(need_gfx_hws) sep \
731 func(is_pineview) sep \
732 func(is_broadwater) sep \
733 func(is_crestline) sep \
734 func(is_ivybridge) sep \
735 func(is_valleyview) sep \
736 func(is_cherryview) sep \
737 func(is_haswell) sep \
738 func(is_skylake) sep \
739 func(is_broxton) sep \
740 func(is_kabylake) sep \
741 func(is_preliminary) sep \
743 func(has_pipe_cxsr) sep \
744 func(has_hotplug) sep \
745 func(cursor_needs_physical) sep \
746 func(has_overlay) sep \
747 func(overlay_needs_physical) sep \
748 func(supports_tv) sep \
750 func(has_snoop) sep \
754 #define DEFINE_FLAG(name) u8 name:1
755 #define SEP_SEMICOLON ;
757 struct intel_device_info
{
758 u32 display_mmio_offset
;
761 u8 num_sprites
[I915_MAX_PIPES
];
763 u8 ring_mask
; /* Rings supported by the HW */
764 DEV_INFO_FOR_EACH_FLAG(DEFINE_FLAG
, SEP_SEMICOLON
);
765 /* Register offsets for the various display pipes and transcoders */
766 int pipe_offsets
[I915_MAX_TRANSCODERS
];
767 int trans_offsets
[I915_MAX_TRANSCODERS
];
768 int palette_offsets
[I915_MAX_PIPES
];
769 int cursor_offsets
[I915_MAX_PIPES
];
771 /* Slice/subslice/EU info */
774 u8 subslice_per_slice
;
777 /* For each slice, which subslice(s) has(have) 7 EUs (bitfield)? */
780 u8 has_subslice_pg
:1;
784 u16 degamma_lut_size
;
792 enum i915_cache_level
{
794 I915_CACHE_LLC
, /* also used for snoopable memory on non-LLC */
795 I915_CACHE_L3_LLC
, /* gen7+, L3 sits between the domain specifc
796 caches, eg sampler/render caches, and the
797 large Last-Level-Cache. LLC is coherent with
798 the CPU, but L3 is only visible to the GPU. */
799 I915_CACHE_WT
, /* hsw:gt3e WriteThrough for scanouts */
802 struct i915_ctx_hang_stats
{
803 /* This context had batch pending when hang was declared */
804 unsigned batch_pending
;
806 /* This context had batch active when hang was declared */
807 unsigned batch_active
;
809 /* Time when this context was last blamed for a GPU reset */
810 unsigned long guilty_ts
;
812 /* If the contexts causes a second GPU hang within this time,
813 * it is permanently banned from submitting any more work.
815 unsigned long ban_period_seconds
;
817 /* This context is banned to submit more work */
821 /* This must match up with the value previously used for execbuf2.rsvd1. */
822 #define DEFAULT_CONTEXT_HANDLE 0
824 #define CONTEXT_NO_ZEROMAP (1<<0)
826 * struct intel_context - as the name implies, represents a context.
827 * @ref: reference count.
828 * @user_handle: userspace tracking identity for this context.
829 * @remap_slice: l3 row remapping information.
830 * @flags: context specific flags:
831 * CONTEXT_NO_ZEROMAP: do not allow mapping things to page 0.
832 * @file_priv: filp associated with this context (NULL for global default
834 * @hang_stats: information about the role of this context in possible GPU
836 * @ppgtt: virtual memory space used by this context.
837 * @legacy_hw_ctx: render context backing object and whether it is correctly
838 * initialized (legacy ring submission mechanism only).
839 * @link: link in the global list of contexts.
841 * Contexts are memory images used by the hardware to store copies of their
844 struct intel_context
{
848 struct drm_i915_private
*i915
;
850 struct drm_i915_file_private
*file_priv
;
851 struct i915_ctx_hang_stats hang_stats
;
852 struct i915_hw_ppgtt
*ppgtt
;
854 /* Legacy ring buffer submission */
856 struct drm_i915_gem_object
*rcs_state
;
862 struct drm_i915_gem_object
*state
;
863 struct intel_ringbuffer
*ringbuf
;
865 struct i915_vma
*lrc_vma
;
867 uint32_t *lrc_reg_state
;
868 } engine
[I915_NUM_ENGINES
];
870 struct list_head link
;
882 /* This is always the inner lock when overlapping with struct_mutex and
883 * it's the outer lock when overlapping with stolen_lock. */
886 unsigned int possible_framebuffer_bits
;
887 unsigned int busy_bits
;
888 unsigned int visible_pipes_mask
;
889 struct intel_crtc
*crtc
;
891 struct drm_mm_node compressed_fb
;
892 struct drm_mm_node
*compressed_llb
;
899 struct intel_fbc_state_cache
{
901 unsigned int mode_flags
;
902 uint32_t hsw_bdw_pixel_rate
;
906 unsigned int rotation
;
914 uint32_t pixel_format
;
917 unsigned int tiling_mode
;
921 struct intel_fbc_reg_params
{
925 unsigned int fence_y_offset
;
930 uint32_t pixel_format
;
938 struct intel_fbc_work
{
940 u32 scheduled_vblank
;
941 struct work_struct work
;
944 const char *no_fbc_reason
;
948 * HIGH_RR is the highest eDP panel refresh rate read from EDID
949 * LOW_RR is the lowest eDP panel refresh rate found from EDID
950 * parsing for same resolution.
952 enum drrs_refresh_rate_type
{
955 DRRS_MAX_RR
, /* RR count */
958 enum drrs_support_type
{
959 DRRS_NOT_SUPPORTED
= 0,
960 STATIC_DRRS_SUPPORT
= 1,
961 SEAMLESS_DRRS_SUPPORT
= 2
967 struct delayed_work work
;
969 unsigned busy_frontbuffer_bits
;
970 enum drrs_refresh_rate_type refresh_rate_type
;
971 enum drrs_support_type type
;
978 struct intel_dp
*enabled
;
980 struct delayed_work work
;
981 unsigned busy_frontbuffer_bits
;
988 PCH_NONE
= 0, /* No PCH present */
989 PCH_IBX
, /* Ibexpeak PCH */
990 PCH_CPT
, /* Cougarpoint PCH */
991 PCH_LPT
, /* Lynxpoint PCH */
992 PCH_SPT
, /* Sunrisepoint PCH */
996 enum intel_sbi_destination
{
1001 #define QUIRK_PIPEA_FORCE (1<<0)
1002 #define QUIRK_LVDS_SSC_DISABLE (1<<1)
1003 #define QUIRK_INVERT_BRIGHTNESS (1<<2)
1004 #define QUIRK_BACKLIGHT_PRESENT (1<<3)
1005 #define QUIRK_PIPEB_FORCE (1<<4)
1006 #define QUIRK_PIN_SWIZZLED_PAGES (1<<5)
1009 struct intel_fbc_work
;
1011 struct intel_gmbus
{
1012 struct i2c_adapter adapter
;
1013 #define GMBUS_FORCE_BIT_RETRY (1U << 31)
1016 i915_reg_t gpio_reg
;
1017 struct i2c_algo_bit_data bit_algo
;
1018 struct drm_i915_private
*dev_priv
;
1021 struct i915_suspend_saved_registers
{
1024 u32 savePP_ON_DELAYS
;
1025 u32 savePP_OFF_DELAYS
;
1030 u32 saveFBC_CONTROL
;
1031 u32 saveCACHE_MODE_0
;
1032 u32 saveMI_ARB_STATE
;
1036 uint64_t saveFENCE
[I915_MAX_NUM_FENCES
];
1037 u32 savePCH_PORT_HOTPLUG
;
1041 struct vlv_s0ix_state
{
1048 u32 lra_limits
[GEN7_LRA_LIMITS_REG_NUM
];
1049 u32 media_max_req_count
;
1050 u32 gfx_max_req_count
;
1076 u32 rp_down_timeout
;
1082 /* Display 1 CZ domain */
1087 u32 gt_scratch
[GEN7_GT_SCRATCH_REG_NUM
];
1089 /* GT SA CZ domain */
1096 /* Display 2 CZ domain */
1100 u32 clock_gate_dis2
;
1103 struct intel_rps_ei
{
1109 struct intel_gen6_power_mgmt
{
1111 * work, interrupts_enabled and pm_iir are protected by
1112 * dev_priv->irq_lock
1114 struct work_struct work
;
1115 bool interrupts_enabled
;
1118 /* Frequencies are stored in potentially platform dependent multiples.
1119 * In other words, *_freq needs to be multiplied by X to be interesting.
1120 * Soft limits are those which are used for the dynamic reclocking done
1121 * by the driver (raise frequencies under heavy loads, and lower for
1122 * lighter loads). Hard limits are those imposed by the hardware.
1124 * A distinction is made for overclocking, which is never enabled by
1125 * default, and is considered to be above the hard limit if it's
1128 u8 cur_freq
; /* Current frequency (cached, may not == HW) */
1129 u8 min_freq_softlimit
; /* Minimum frequency permitted by the driver */
1130 u8 max_freq_softlimit
; /* Max frequency permitted by the driver */
1131 u8 max_freq
; /* Maximum frequency, RP0 if not overclocking */
1132 u8 min_freq
; /* AKA RPn. Minimum frequency */
1133 u8 idle_freq
; /* Frequency to request when we are idle */
1134 u8 efficient_freq
; /* AKA RPe. Pre-determined balanced frequency */
1135 u8 rp1_freq
; /* "less than" RP0 power/freqency */
1136 u8 rp0_freq
; /* Non-overclocked max frequency. */
1137 u16 gpll_ref_freq
; /* vlv/chv GPLL reference frequency */
1139 u8 up_threshold
; /* Current %busy required to uplock */
1140 u8 down_threshold
; /* Current %busy required to downclock */
1143 enum { LOW_POWER
, BETWEEN
, HIGH_POWER
} power
;
1145 spinlock_t client_lock
;
1146 struct list_head clients
;
1150 struct delayed_work delayed_resume_work
;
1153 struct intel_rps_client semaphores
, mmioflips
;
1155 /* manual wa residency calculations */
1156 struct intel_rps_ei up_ei
, down_ei
;
1159 * Protects RPS/RC6 register access and PCU communication.
1160 * Must be taken after struct_mutex if nested. Note that
1161 * this lock may be held for long periods of time when
1162 * talking to hw - so only take it when talking to hw!
1164 struct mutex hw_lock
;
1167 /* defined intel_pm.c */
1168 extern spinlock_t mchdev_lock
;
1170 struct intel_ilk_power_mgmt
{
1178 unsigned long last_time1
;
1179 unsigned long chipset_power
;
1182 unsigned long gfx_power
;
1189 struct drm_i915_private
;
1190 struct i915_power_well
;
1192 struct i915_power_well_ops
{
1194 * Synchronize the well's hw state to match the current sw state, for
1195 * example enable/disable it based on the current refcount. Called
1196 * during driver init and resume time, possibly after first calling
1197 * the enable/disable handlers.
1199 void (*sync_hw
)(struct drm_i915_private
*dev_priv
,
1200 struct i915_power_well
*power_well
);
1202 * Enable the well and resources that depend on it (for example
1203 * interrupts located on the well). Called after the 0->1 refcount
1206 void (*enable
)(struct drm_i915_private
*dev_priv
,
1207 struct i915_power_well
*power_well
);
1209 * Disable the well and resources that depend on it. Called after
1210 * the 1->0 refcount transition.
1212 void (*disable
)(struct drm_i915_private
*dev_priv
,
1213 struct i915_power_well
*power_well
);
1214 /* Returns the hw enabled state. */
1215 bool (*is_enabled
)(struct drm_i915_private
*dev_priv
,
1216 struct i915_power_well
*power_well
);
1219 /* Power well structure for haswell */
1220 struct i915_power_well
{
1223 /* power well enable/disable usage count */
1225 /* cached hw enabled state */
1227 unsigned long domains
;
1229 const struct i915_power_well_ops
*ops
;
1232 struct i915_power_domains
{
1234 * Power wells needed for initialization at driver init and suspend
1235 * time are on. They are kept on until after the first modeset.
1239 int power_well_count
;
1242 int domain_use_count
[POWER_DOMAIN_NUM
];
1243 struct i915_power_well
*power_wells
;
1246 #define MAX_L3_SLICES 2
1247 struct intel_l3_parity
{
1248 u32
*remap_info
[MAX_L3_SLICES
];
1249 struct work_struct error_work
;
1253 struct i915_gem_mm
{
1254 /** Memory allocator for GTT stolen memory */
1255 struct drm_mm stolen
;
1256 /** Protects the usage of the GTT stolen memory allocator. This is
1257 * always the inner lock when overlapping with struct_mutex. */
1258 struct mutex stolen_lock
;
1260 /** List of all objects in gtt_space. Used to restore gtt
1261 * mappings on resume */
1262 struct list_head bound_list
;
1264 * List of objects which are not bound to the GTT (thus
1265 * are idle and not used by the GPU) but still have
1266 * (presumably uncached) pages still attached.
1268 struct list_head unbound_list
;
1270 /** Usable portion of the GTT for GEM */
1271 unsigned long stolen_base
; /* limited to low memory (32-bit) */
1273 /** PPGTT used for aliasing the PPGTT with the GTT */
1274 struct i915_hw_ppgtt
*aliasing_ppgtt
;
1276 struct notifier_block oom_notifier
;
1277 struct notifier_block vmap_notifier
;
1278 struct shrinker shrinker
;
1279 bool shrinker_no_lock_stealing
;
1281 /** LRU list of objects with fence regs on them. */
1282 struct list_head fence_list
;
1285 * We leave the user IRQ off as much as possible,
1286 * but this means that requests will finish and never
1287 * be retired once the system goes idle. Set a timer to
1288 * fire periodically while the ring is running. When it
1289 * fires, go retire requests.
1291 struct delayed_work retire_work
;
1294 * When we detect an idle GPU, we want to turn on
1295 * powersaving features. So once we see that there
1296 * are no more requests outstanding and no more
1297 * arrive within a small period of time, we fire
1298 * off the idle_work.
1300 struct delayed_work idle_work
;
1303 * Are we in a non-interruptible section of code like
1309 * Is the GPU currently considered idle, or busy executing userspace
1310 * requests? Whilst idle, we attempt to power down the hardware and
1311 * display clocks. In order to reduce the effect on performance, there
1312 * is a slight delay before we do so.
1316 /* the indicator for dispatch video commands on two BSD rings */
1317 unsigned int bsd_ring_dispatch_index
;
1319 /** Bit 6 swizzling required for X tiling */
1320 uint32_t bit_6_swizzle_x
;
1321 /** Bit 6 swizzling required for Y tiling */
1322 uint32_t bit_6_swizzle_y
;
1324 /* accounting, useful for userland debugging */
1325 spinlock_t object_stat_lock
;
1326 size_t object_memory
;
1330 struct drm_i915_error_state_buf
{
1331 struct drm_i915_private
*i915
;
1340 struct i915_error_state_file_priv
{
1341 struct drm_device
*dev
;
1342 struct drm_i915_error_state
*error
;
1345 struct i915_gpu_error
{
1346 /* For hangcheck timer */
1347 #define DRM_I915_HANGCHECK_PERIOD 1500 /* in ms */
1348 #define DRM_I915_HANGCHECK_JIFFIES msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD)
1349 /* Hang gpu twice in this window and your context gets banned */
1350 #define DRM_I915_CTX_BAN_PERIOD DIV_ROUND_UP(8*DRM_I915_HANGCHECK_PERIOD, 1000)
1352 struct workqueue_struct
*hangcheck_wq
;
1353 struct delayed_work hangcheck_work
;
1355 /* For reset and error_state handling. */
1357 /* Protected by the above dev->gpu_error.lock. */
1358 struct drm_i915_error_state
*first_error
;
1360 unsigned long missed_irq_rings
;
1363 * State variable controlling the reset flow and count
1365 * This is a counter which gets incremented when reset is triggered,
1366 * and again when reset has been handled. So odd values (lowest bit set)
1367 * means that reset is in progress and even values that
1368 * (reset_counter >> 1):th reset was successfully completed.
1370 * If reset is not completed succesfully, the I915_WEDGE bit is
1371 * set meaning that hardware is terminally sour and there is no
1372 * recovery. All waiters on the reset_queue will be woken when
1375 * This counter is used by the wait_seqno code to notice that reset
1376 * event happened and it needs to restart the entire ioctl (since most
1377 * likely the seqno it waited for won't ever signal anytime soon).
1379 * This is important for lock-free wait paths, where no contended lock
1380 * naturally enforces the correct ordering between the bail-out of the
1381 * waiter and the gpu reset work code.
1383 atomic_t reset_counter
;
1385 #define I915_RESET_IN_PROGRESS_FLAG 1
1386 #define I915_WEDGED (1 << 31)
1389 * Waitqueue to signal when the reset has completed. Used by clients
1390 * that wait for dev_priv->mm.wedged to settle.
1392 wait_queue_head_t reset_queue
;
1394 /* Userspace knobs for gpu hang simulation;
1395 * combines both a ring mask, and extra flags
1398 #define I915_STOP_RING_ALLOW_BAN (1 << 31)
1399 #define I915_STOP_RING_ALLOW_WARN (1 << 30)
1401 /* For missed irq/seqno simulation. */
1402 unsigned int test_irq_rings
;
1405 enum modeset_restore
{
1406 MODESET_ON_LID_OPEN
,
1411 #define DP_AUX_A 0x40
1412 #define DP_AUX_B 0x10
1413 #define DP_AUX_C 0x20
1414 #define DP_AUX_D 0x30
1416 #define DDC_PIN_B 0x05
1417 #define DDC_PIN_C 0x04
1418 #define DDC_PIN_D 0x06
1420 struct ddi_vbt_port_info
{
1422 * This is an index in the HDMI/DVI DDI buffer translation table.
1423 * The special value HDMI_LEVEL_SHIFT_UNKNOWN means the VBT didn't
1424 * populate this field.
1426 #define HDMI_LEVEL_SHIFT_UNKNOWN 0xff
1427 uint8_t hdmi_level_shift
;
1429 uint8_t supports_dvi
:1;
1430 uint8_t supports_hdmi
:1;
1431 uint8_t supports_dp
:1;
1433 uint8_t alternate_aux_channel
;
1434 uint8_t alternate_ddc_pin
;
1436 uint8_t dp_boost_level
;
1437 uint8_t hdmi_boost_level
;
1440 enum psr_lines_to_wait
{
1441 PSR_0_LINES_TO_WAIT
= 0,
1443 PSR_4_LINES_TO_WAIT
,
1447 struct intel_vbt_data
{
1448 struct drm_display_mode
*lfp_lvds_vbt_mode
; /* if any */
1449 struct drm_display_mode
*sdvo_lvds_vbt_mode
; /* if any */
1452 unsigned int int_tv_support
:1;
1453 unsigned int lvds_dither
:1;
1454 unsigned int lvds_vbt
:1;
1455 unsigned int int_crt_support
:1;
1456 unsigned int lvds_use_ssc
:1;
1457 unsigned int display_clock_mode
:1;
1458 unsigned int fdi_rx_polarity_inverted
:1;
1459 unsigned int panel_type
:4;
1461 unsigned int bios_lvds_val
; /* initial [PCH_]LVDS reg val in VBIOS */
1463 enum drrs_support_type drrs_type
;
1474 struct edp_power_seq pps
;
1479 bool require_aux_wakeup
;
1481 enum psr_lines_to_wait lines_to_wait
;
1482 int tp1_wakeup_time
;
1483 int tp2_tp3_wakeup_time
;
1489 bool active_low_pwm
;
1490 u8 min_brightness
; /* min_brightness/255 of max */
1496 struct mipi_config
*config
;
1497 struct mipi_pps_data
*pps
;
1501 const u8
*sequence
[MIPI_SEQ_MAX
];
1507 union child_device_config
*child_dev
;
1509 struct ddi_vbt_port_info ddi_port_info
[I915_MAX_PORTS
];
1510 struct sdvo_device_mapping sdvo_mappings
[2];
1513 enum intel_ddb_partitioning
{
1515 INTEL_DDB_PART_5_6
, /* IVB+ */
1518 struct intel_wm_level
{
1526 struct ilk_wm_values
{
1527 uint32_t wm_pipe
[3];
1529 uint32_t wm_lp_spr
[3];
1530 uint32_t wm_linetime
[3];
1532 enum intel_ddb_partitioning partitioning
;
1535 struct vlv_pipe_wm
{
1546 struct vlv_wm_values
{
1547 struct vlv_pipe_wm pipe
[3];
1548 struct vlv_sr_wm sr
;
1558 struct skl_ddb_entry
{
1559 uint16_t start
, end
; /* in number of blocks, 'end' is exclusive */
1562 static inline uint16_t skl_ddb_entry_size(const struct skl_ddb_entry
*entry
)
1564 return entry
->end
- entry
->start
;
1567 static inline bool skl_ddb_entry_equal(const struct skl_ddb_entry
*e1
,
1568 const struct skl_ddb_entry
*e2
)
1570 if (e1
->start
== e2
->start
&& e1
->end
== e2
->end
)
1576 struct skl_ddb_allocation
{
1577 struct skl_ddb_entry pipe
[I915_MAX_PIPES
];
1578 struct skl_ddb_entry plane
[I915_MAX_PIPES
][I915_MAX_PLANES
]; /* packed/uv */
1579 struct skl_ddb_entry y_plane
[I915_MAX_PIPES
][I915_MAX_PLANES
];
1582 struct skl_wm_values
{
1583 bool dirty
[I915_MAX_PIPES
];
1584 struct skl_ddb_allocation ddb
;
1585 uint32_t wm_linetime
[I915_MAX_PIPES
];
1586 uint32_t plane
[I915_MAX_PIPES
][I915_MAX_PLANES
][8];
1587 uint32_t plane_trans
[I915_MAX_PIPES
][I915_MAX_PLANES
];
1590 struct skl_wm_level
{
1591 bool plane_en
[I915_MAX_PLANES
];
1592 uint16_t plane_res_b
[I915_MAX_PLANES
];
1593 uint8_t plane_res_l
[I915_MAX_PLANES
];
1597 * This struct helps tracking the state needed for runtime PM, which puts the
1598 * device in PCI D3 state. Notice that when this happens, nothing on the
1599 * graphics device works, even register access, so we don't get interrupts nor
1602 * Every piece of our code that needs to actually touch the hardware needs to
1603 * either call intel_runtime_pm_get or call intel_display_power_get with the
1604 * appropriate power domain.
1606 * Our driver uses the autosuspend delay feature, which means we'll only really
1607 * suspend if we stay with zero refcount for a certain amount of time. The
1608 * default value is currently very conservative (see intel_runtime_pm_enable), but
1609 * it can be changed with the standard runtime PM files from sysfs.
1611 * The irqs_disabled variable becomes true exactly after we disable the IRQs and
1612 * goes back to false exactly before we reenable the IRQs. We use this variable
1613 * to check if someone is trying to enable/disable IRQs while they're supposed
1614 * to be disabled. This shouldn't happen and we'll print some error messages in
1617 * For more, read the Documentation/power/runtime_pm.txt.
1619 struct i915_runtime_pm
{
1620 atomic_t wakeref_count
;
1621 atomic_t atomic_seq
;
1626 enum intel_pipe_crc_source
{
1627 INTEL_PIPE_CRC_SOURCE_NONE
,
1628 INTEL_PIPE_CRC_SOURCE_PLANE1
,
1629 INTEL_PIPE_CRC_SOURCE_PLANE2
,
1630 INTEL_PIPE_CRC_SOURCE_PF
,
1631 INTEL_PIPE_CRC_SOURCE_PIPE
,
1632 /* TV/DP on pre-gen5/vlv can't use the pipe source. */
1633 INTEL_PIPE_CRC_SOURCE_TV
,
1634 INTEL_PIPE_CRC_SOURCE_DP_B
,
1635 INTEL_PIPE_CRC_SOURCE_DP_C
,
1636 INTEL_PIPE_CRC_SOURCE_DP_D
,
1637 INTEL_PIPE_CRC_SOURCE_AUTO
,
1638 INTEL_PIPE_CRC_SOURCE_MAX
,
1641 struct intel_pipe_crc_entry
{
1646 #define INTEL_PIPE_CRC_ENTRIES_NR 128
1647 struct intel_pipe_crc
{
1649 bool opened
; /* exclusive access to the result file */
1650 struct intel_pipe_crc_entry
*entries
;
1651 enum intel_pipe_crc_source source
;
1653 wait_queue_head_t wq
;
1656 struct i915_frontbuffer_tracking
{
1660 * Tracking bits for delayed frontbuffer flushing du to gpu activity or
1667 struct i915_wa_reg
{
1670 /* bitmask representing WA bits */
1675 * RING_MAX_NONPRIV_SLOTS is per-engine but at this point we are only
1676 * allowing it for RCS as we don't foresee any requirement of having
1677 * a whitelist for other engines. When it is really required for
1678 * other engines then the limit need to be increased.
1680 #define I915_MAX_WA_REGS (16 + RING_MAX_NONPRIV_SLOTS)
1682 struct i915_workarounds
{
1683 struct i915_wa_reg reg
[I915_MAX_WA_REGS
];
1685 u32 hw_whitelist_count
[I915_NUM_ENGINES
];
1688 struct i915_virtual_gpu
{
1692 struct i915_execbuffer_params
{
1693 struct drm_device
*dev
;
1694 struct drm_file
*file
;
1695 uint32_t dispatch_flags
;
1696 uint32_t args_batch_start_offset
;
1697 uint64_t batch_obj_vm_offset
;
1698 struct intel_engine_cs
*engine
;
1699 struct drm_i915_gem_object
*batch_obj
;
1700 struct intel_context
*ctx
;
1701 struct drm_i915_gem_request
*request
;
1704 /* used in computing the new watermarks state */
1705 struct intel_wm_config
{
1706 unsigned int num_pipes_active
;
1707 bool sprites_enabled
;
1708 bool sprites_scaled
;
1711 struct drm_i915_private
{
1712 struct drm_device
*dev
;
1713 struct kmem_cache
*objects
;
1714 struct kmem_cache
*vmas
;
1715 struct kmem_cache
*requests
;
1717 const struct intel_device_info info
;
1719 int relative_constants_mode
;
1723 struct intel_uncore uncore
;
1725 struct i915_virtual_gpu vgpu
;
1727 struct intel_guc guc
;
1729 struct intel_csr csr
;
1731 struct intel_gmbus gmbus
[GMBUS_NUM_PINS
];
1733 /** gmbus_mutex protects against concurrent usage of the single hw gmbus
1734 * controller on different i2c buses. */
1735 struct mutex gmbus_mutex
;
1738 * Base address of the gmbus and gpio block.
1740 uint32_t gpio_mmio_base
;
1742 /* MMIO base address for MIPI regs */
1743 uint32_t mipi_mmio_base
;
1745 uint32_t psr_mmio_base
;
1747 wait_queue_head_t gmbus_wait_queue
;
1749 struct pci_dev
*bridge_dev
;
1750 struct intel_engine_cs engine
[I915_NUM_ENGINES
];
1751 struct drm_i915_gem_object
*semaphore_obj
;
1752 uint32_t last_seqno
, next_seqno
;
1754 struct drm_dma_handle
*status_page_dmah
;
1755 struct resource mch_res
;
1757 /* protects the irq masks */
1758 spinlock_t irq_lock
;
1760 /* protects the mmio flip data */
1761 spinlock_t mmio_flip_lock
;
1763 bool display_irqs_enabled
;
1765 /* To control wakeup latency, e.g. for irq-driven dp aux transfers. */
1766 struct pm_qos_request pm_qos
;
1768 /* Sideband mailbox protection */
1769 struct mutex sb_lock
;
1771 /** Cached value of IMR to avoid reads in updating the bitfield */
1774 u32 de_irq_mask
[I915_MAX_PIPES
];
1779 u32 pipestat_irq_mask
[I915_MAX_PIPES
];
1781 struct i915_hotplug hotplug
;
1782 struct intel_fbc fbc
;
1783 struct i915_drrs drrs
;
1784 struct intel_opregion opregion
;
1785 struct intel_vbt_data vbt
;
1787 bool preserve_bios_swizzle
;
1790 struct intel_overlay
*overlay
;
1792 /* backlight registers and fields in struct intel_panel */
1793 struct mutex backlight_lock
;
1796 bool no_aux_handshake
;
1798 /* protects panel power sequencer state */
1799 struct mutex pps_mutex
;
1801 struct drm_i915_fence_reg fence_regs
[I915_MAX_NUM_FENCES
]; /* assume 965 */
1802 int num_fence_regs
; /* 8 on pre-965, 16 otherwise */
1804 unsigned int fsb_freq
, mem_freq
, is_ddr3
;
1805 unsigned int skl_boot_cdclk
;
1806 unsigned int cdclk_freq
, max_cdclk_freq
, atomic_cdclk_freq
;
1807 unsigned int max_dotclk_freq
;
1808 unsigned int rawclk_freq
;
1809 unsigned int hpll_freq
;
1810 unsigned int czclk_freq
;
1813 * wq - Driver workqueue for GEM.
1815 * NOTE: Work items scheduled here are not allowed to grab any modeset
1816 * locks, for otherwise the flushing done in the pageflip code will
1817 * result in deadlocks.
1819 struct workqueue_struct
*wq
;
1821 /* Display functions */
1822 struct drm_i915_display_funcs display
;
1824 /* PCH chipset type */
1825 enum intel_pch pch_type
;
1826 unsigned short pch_id
;
1828 unsigned long quirks
;
1830 enum modeset_restore modeset_restore
;
1831 struct mutex modeset_restore_lock
;
1832 struct drm_atomic_state
*modeset_restore_state
;
1834 struct list_head vm_list
; /* Global list of all address spaces */
1835 struct i915_ggtt ggtt
; /* VM representing the global address space */
1837 struct i915_gem_mm mm
;
1838 DECLARE_HASHTABLE(mm_structs
, 7);
1839 struct mutex mm_lock
;
1841 /* Kernel Modesetting */
1843 struct drm_crtc
*plane_to_crtc_mapping
[I915_MAX_PIPES
];
1844 struct drm_crtc
*pipe_to_crtc_mapping
[I915_MAX_PIPES
];
1845 wait_queue_head_t pending_flip_queue
;
1847 #ifdef CONFIG_DEBUG_FS
1848 struct intel_pipe_crc pipe_crc
[I915_MAX_PIPES
];
1851 /* dpll and cdclk state is protected by connection_mutex */
1852 int num_shared_dpll
;
1853 struct intel_shared_dpll shared_dplls
[I915_NUM_PLLS
];
1854 const struct intel_dpll_mgr
*dpll_mgr
;
1857 * dpll_lock serializes intel_{prepare,enable,disable}_shared_dpll.
1858 * Must be global rather than per dpll, because on some platforms
1859 * plls share registers.
1861 struct mutex dpll_lock
;
1863 unsigned int active_crtcs
;
1864 unsigned int min_pixclk
[I915_MAX_PIPES
];
1866 int dpio_phy_iosf_port
[I915_NUM_PHYS_VLV
];
1868 struct i915_workarounds workarounds
;
1870 struct i915_frontbuffer_tracking fb_tracking
;
1874 bool mchbar_need_disable
;
1876 struct intel_l3_parity l3_parity
;
1878 /* Cannot be determined by PCIID. You must always read a register. */
1881 /* gen6+ rps state */
1882 struct intel_gen6_power_mgmt rps
;
1884 /* ilk-only ips/rps state. Everything in here is protected by the global
1885 * mchdev_lock in intel_pm.c */
1886 struct intel_ilk_power_mgmt ips
;
1888 struct i915_power_domains power_domains
;
1890 struct i915_psr psr
;
1892 struct i915_gpu_error gpu_error
;
1894 struct drm_i915_gem_object
*vlv_pctx
;
1896 #ifdef CONFIG_DRM_FBDEV_EMULATION
1897 /* list of fbdev register on this device */
1898 struct intel_fbdev
*fbdev
;
1899 struct work_struct fbdev_suspend_work
;
1902 struct drm_property
*broadcast_rgb_property
;
1903 struct drm_property
*force_audio_property
;
1905 /* hda/i915 audio component */
1906 struct i915_audio_component
*audio_component
;
1907 bool audio_component_registered
;
1909 * av_mutex - mutex for audio/video sync
1912 struct mutex av_mutex
;
1914 uint32_t hw_context_size
;
1915 struct list_head context_list
;
1919 /* Shadow for DISPLAY_PHY_CONTROL which can't be safely read */
1920 u32 chv_phy_control
;
1922 * Shadows for CHV DPLL_MD regs to keep the state
1923 * checker somewhat working in the presence hardware
1924 * crappiness (can't read out DPLL_MD for pipes B & C).
1926 u32 chv_dpll_md
[I915_MAX_PIPES
];
1930 bool suspended_to_idle
;
1931 struct i915_suspend_saved_registers regfile
;
1932 struct vlv_s0ix_state vlv_s0ix_state
;
1936 * Raw watermark latency values:
1937 * in 0.1us units for WM0,
1938 * in 0.5us units for WM1+.
1941 uint16_t pri_latency
[5];
1943 uint16_t spr_latency
[5];
1945 uint16_t cur_latency
[5];
1947 * Raw watermark memory latency values
1948 * for SKL for all 8 levels
1951 uint16_t skl_latency
[8];
1953 /* Committed wm config */
1954 struct intel_wm_config config
;
1957 * The skl_wm_values structure is a bit too big for stack
1958 * allocation, so we keep the staging struct where we store
1959 * intermediate results here instead.
1961 struct skl_wm_values skl_results
;
1963 /* current hardware state */
1965 struct ilk_wm_values hw
;
1966 struct skl_wm_values skl_hw
;
1967 struct vlv_wm_values vlv
;
1973 * Should be held around atomic WM register writing; also
1974 * protects * intel_crtc->wm.active and
1975 * cstate->wm.need_postvbl_update.
1977 struct mutex wm_mutex
;
1980 struct i915_runtime_pm pm
;
1982 /* Abstract the submission mechanism (legacy ringbuffer or execlists) away */
1984 int (*execbuf_submit
)(struct i915_execbuffer_params
*params
,
1985 struct drm_i915_gem_execbuffer2
*args
,
1986 struct list_head
*vmas
);
1987 int (*init_engines
)(struct drm_device
*dev
);
1988 void (*cleanup_engine
)(struct intel_engine_cs
*engine
);
1989 void (*stop_engine
)(struct intel_engine_cs
*engine
);
1992 struct intel_context
*kernel_context
;
1994 /* perform PHY state sanity checks? */
1995 bool chv_phy_assert
[2];
1997 struct intel_encoder
*dig_port_map
[I915_MAX_PORTS
];
2000 * NOTE: This is the dri1/ums dungeon, don't add stuff here. Your patch
2001 * will be rejected. Instead look for a better place.
2005 static inline struct drm_i915_private
*to_i915(const struct drm_device
*dev
)
2007 return dev
->dev_private
;
2010 static inline struct drm_i915_private
*dev_to_i915(struct device
*dev
)
2012 return to_i915(dev_get_drvdata(dev
));
2015 static inline struct drm_i915_private
*guc_to_i915(struct intel_guc
*guc
)
2017 return container_of(guc
, struct drm_i915_private
, guc
);
2020 /* Simple iterator over all initialised engines */
2021 #define for_each_engine(engine__, dev_priv__) \
2022 for ((engine__) = &(dev_priv__)->engine[0]; \
2023 (engine__) < &(dev_priv__)->engine[I915_NUM_ENGINES]; \
2025 for_each_if (intel_engine_initialized(engine__))
2027 /* Iterator with engine_id */
2028 #define for_each_engine_id(engine__, dev_priv__, id__) \
2029 for ((engine__) = &(dev_priv__)->engine[0], (id__) = 0; \
2030 (engine__) < &(dev_priv__)->engine[I915_NUM_ENGINES]; \
2032 for_each_if (((id__) = (engine__)->id, \
2033 intel_engine_initialized(engine__)))
2035 /* Iterator over subset of engines selected by mask */
2036 #define for_each_engine_masked(engine__, dev_priv__, mask__) \
2037 for ((engine__) = &(dev_priv__)->engine[0]; \
2038 (engine__) < &(dev_priv__)->engine[I915_NUM_ENGINES]; \
2040 for_each_if (((mask__) & intel_engine_flag(engine__)) && \
2041 intel_engine_initialized(engine__))
2043 enum hdmi_force_audio
{
2044 HDMI_AUDIO_OFF_DVI
= -2, /* no aux data for HDMI-DVI converter */
2045 HDMI_AUDIO_OFF
, /* force turn off HDMI audio */
2046 HDMI_AUDIO_AUTO
, /* trust EDID */
2047 HDMI_AUDIO_ON
, /* force turn on HDMI audio */
2050 #define I915_GTT_OFFSET_NONE ((u32)-1)
2052 struct drm_i915_gem_object_ops
{
2054 #define I915_GEM_OBJECT_HAS_STRUCT_PAGE 0x1
2056 /* Interface between the GEM object and its backing storage.
2057 * get_pages() is called once prior to the use of the associated set
2058 * of pages before to binding them into the GTT, and put_pages() is
2059 * called after we no longer need them. As we expect there to be
2060 * associated cost with migrating pages between the backing storage
2061 * and making them available for the GPU (e.g. clflush), we may hold
2062 * onto the pages after they are no longer referenced by the GPU
2063 * in case they may be used again shortly (for example migrating the
2064 * pages to a different memory domain within the GTT). put_pages()
2065 * will therefore most likely be called when the object itself is
2066 * being released or under memory pressure (where we attempt to
2067 * reap pages for the shrinker).
2069 int (*get_pages
)(struct drm_i915_gem_object
*);
2070 void (*put_pages
)(struct drm_i915_gem_object
*);
2072 int (*dmabuf_export
)(struct drm_i915_gem_object
*);
2073 void (*release
)(struct drm_i915_gem_object
*);
2077 * Frontbuffer tracking bits. Set in obj->frontbuffer_bits while a gem bo is
2078 * considered to be the frontbuffer for the given plane interface-wise. This
2079 * doesn't mean that the hw necessarily already scans it out, but that any
2080 * rendering (by the cpu or gpu) will land in the frontbuffer eventually.
2082 * We have one bit per pipe and per scanout plane type.
2084 #define INTEL_MAX_SPRITE_BITS_PER_PIPE 5
2085 #define INTEL_FRONTBUFFER_BITS_PER_PIPE 8
2086 #define INTEL_FRONTBUFFER_BITS \
2087 (INTEL_FRONTBUFFER_BITS_PER_PIPE * I915_MAX_PIPES)
2088 #define INTEL_FRONTBUFFER_PRIMARY(pipe) \
2089 (1 << (INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe)))
2090 #define INTEL_FRONTBUFFER_CURSOR(pipe) \
2091 (1 << (1 + (INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe))))
2092 #define INTEL_FRONTBUFFER_SPRITE(pipe, plane) \
2093 (1 << (2 + plane + (INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe))))
2094 #define INTEL_FRONTBUFFER_OVERLAY(pipe) \
2095 (1 << (2 + INTEL_MAX_SPRITE_BITS_PER_PIPE + (INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe))))
2096 #define INTEL_FRONTBUFFER_ALL_MASK(pipe) \
2097 (0xff << (INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe)))
2099 struct drm_i915_gem_object
{
2100 struct drm_gem_object base
;
2102 const struct drm_i915_gem_object_ops
*ops
;
2104 /** List of VMAs backed by this object */
2105 struct list_head vma_list
;
2107 /** Stolen memory for this object, instead of being backed by shmem. */
2108 struct drm_mm_node
*stolen
;
2109 struct list_head global_list
;
2111 struct list_head engine_list
[I915_NUM_ENGINES
];
2112 /** Used in execbuf to temporarily hold a ref */
2113 struct list_head obj_exec_link
;
2115 struct list_head batch_pool_link
;
2118 * This is set if the object is on the active lists (has pending
2119 * rendering and so a non-zero seqno), and is not set if it i s on
2120 * inactive (ready to be unbound) list.
2122 unsigned int active
:I915_NUM_ENGINES
;
2125 * This is set if the object has been written to since last bound
2128 unsigned int dirty
:1;
2131 * Fence register bits (if any) for this object. Will be set
2132 * as needed when mapped into the GTT.
2133 * Protected by dev->struct_mutex.
2135 signed int fence_reg
:I915_MAX_NUM_FENCE_BITS
;
2138 * Advice: are the backing pages purgeable?
2140 unsigned int madv
:2;
2143 * Current tiling mode for the object.
2145 unsigned int tiling_mode
:2;
2147 * Whether the tiling parameters for the currently associated fence
2148 * register have changed. Note that for the purposes of tracking
2149 * tiling changes we also treat the unfenced register, the register
2150 * slot that the object occupies whilst it executes a fenced
2151 * command (such as BLT on gen2/3), as a "fence".
2153 unsigned int fence_dirty
:1;
2156 * Is the object at the current location in the gtt mappable and
2157 * fenceable? Used to avoid costly recalculations.
2159 unsigned int map_and_fenceable
:1;
2162 * Whether the current gtt mapping needs to be mappable (and isn't just
2163 * mappable by accident). Track pin and fault separate for a more
2164 * accurate mappable working set.
2166 unsigned int fault_mappable
:1;
2169 * Is the object to be mapped as read-only to the GPU
2170 * Only honoured if hardware has relevant pte bit
2172 unsigned long gt_ro
:1;
2173 unsigned int cache_level
:3;
2174 unsigned int cache_dirty
:1;
2176 unsigned int frontbuffer_bits
:INTEL_FRONTBUFFER_BITS
;
2178 unsigned int pin_display
;
2180 struct sg_table
*pages
;
2181 int pages_pin_count
;
2183 struct scatterlist
*sg
;
2188 /** Breadcrumb of last rendering to the buffer.
2189 * There can only be one writer, but we allow for multiple readers.
2190 * If there is a writer that necessarily implies that all other
2191 * read requests are complete - but we may only be lazily clearing
2192 * the read requests. A read request is naturally the most recent
2193 * request on a ring, so we may have two different write and read
2194 * requests on one ring where the write request is older than the
2195 * read request. This allows for the CPU to read from an active
2196 * buffer by only waiting for the write to complete.
2198 struct drm_i915_gem_request
*last_read_req
[I915_NUM_ENGINES
];
2199 struct drm_i915_gem_request
*last_write_req
;
2200 /** Breadcrumb of last fenced GPU access to the buffer. */
2201 struct drm_i915_gem_request
*last_fenced_req
;
2203 /** Current tiling stride for the object, if it's tiled. */
2206 /** References from framebuffers, locks out tiling changes. */
2207 unsigned long framebuffer_references
;
2209 /** Record of address bit 17 of each page at last unbind. */
2210 unsigned long *bit_17
;
2213 /** for phy allocated objects */
2214 struct drm_dma_handle
*phys_handle
;
2216 struct i915_gem_userptr
{
2218 unsigned read_only
:1;
2219 unsigned workers
:4;
2220 #define I915_GEM_USERPTR_MAX_WORKERS 15
2222 struct i915_mm_struct
*mm
;
2223 struct i915_mmu_object
*mmu_object
;
2224 struct work_struct
*work
;
2228 #define to_intel_bo(x) container_of(x, struct drm_i915_gem_object, base)
2230 void i915_gem_track_fb(struct drm_i915_gem_object
*old
,
2231 struct drm_i915_gem_object
*new,
2232 unsigned frontbuffer_bits
);
2235 * Request queue structure.
2237 * The request queue allows us to note sequence numbers that have been emitted
2238 * and may be associated with active buffers to be retired.
2240 * By keeping this list, we can avoid having to do questionable sequence
2241 * number comparisons on buffer last_read|write_seqno. It also allows an
2242 * emission time to be associated with the request for tracking how far ahead
2243 * of the GPU the submission is.
2245 * The requests are reference counted, so upon creation they should have an
2246 * initial reference taken using kref_init
2248 struct drm_i915_gem_request
{
2251 /** On Which ring this request was generated */
2252 struct drm_i915_private
*i915
;
2253 struct intel_engine_cs
*engine
;
2254 unsigned reset_counter
;
2256 /** GEM sequence number associated with the previous request,
2257 * when the HWS breadcrumb is equal to this the GPU is processing
2262 /** GEM sequence number associated with this request,
2263 * when the HWS breadcrumb is equal or greater than this the GPU
2264 * has finished processing this request.
2268 /** Position in the ringbuffer of the start of the request */
2272 * Position in the ringbuffer of the start of the postfix.
2273 * This is required to calculate the maximum available ringbuffer
2274 * space without overwriting the postfix.
2278 /** Position in the ringbuffer of the end of the whole request */
2282 * Context and ring buffer related to this request
2283 * Contexts are refcounted, so when this request is associated with a
2284 * context, we must increment the context's refcount, to guarantee that
2285 * it persists while any request is linked to it. Requests themselves
2286 * are also refcounted, so the request will only be freed when the last
2287 * reference to it is dismissed, and the code in
2288 * i915_gem_request_free() will then decrement the refcount on the
2291 struct intel_context
*ctx
;
2292 struct intel_ringbuffer
*ringbuf
;
2294 /** Batch buffer related to this request if any (used for
2295 error state dump only) */
2296 struct drm_i915_gem_object
*batch_obj
;
2298 /** Time at which this request was emitted, in jiffies. */
2299 unsigned long emitted_jiffies
;
2301 /** global list entry for this request */
2302 struct list_head list
;
2304 struct drm_i915_file_private
*file_priv
;
2305 /** file_priv list entry for this request */
2306 struct list_head client_list
;
2308 /** process identifier submitting this request */
2312 * The ELSP only accepts two elements at a time, so we queue
2313 * context/tail pairs on a given queue (ring->execlist_queue) until the
2314 * hardware is available. The queue serves a double purpose: we also use
2315 * it to keep track of the up to 2 contexts currently in the hardware
2316 * (usually one in execution and the other queued up by the GPU): We
2317 * only remove elements from the head of the queue when the hardware
2318 * informs us that an element has been completed.
2320 * All accesses to the queue are mediated by a spinlock
2321 * (ring->execlist_lock).
2324 /** Execlist link in the submission queue.*/
2325 struct list_head execlist_link
;
2327 /** Execlists no. of times this request has been sent to the ELSP */
2332 struct drm_i915_gem_request
* __must_check
2333 i915_gem_request_alloc(struct intel_engine_cs
*engine
,
2334 struct intel_context
*ctx
);
2335 void i915_gem_request_free(struct kref
*req_ref
);
2336 int i915_gem_request_add_to_client(struct drm_i915_gem_request
*req
,
2337 struct drm_file
*file
);
2339 static inline uint32_t
2340 i915_gem_request_get_seqno(struct drm_i915_gem_request
*req
)
2342 return req
? req
->seqno
: 0;
2345 static inline struct intel_engine_cs
*
2346 i915_gem_request_get_engine(struct drm_i915_gem_request
*req
)
2348 return req
? req
->engine
: NULL
;
2351 static inline struct drm_i915_gem_request
*
2352 i915_gem_request_reference(struct drm_i915_gem_request
*req
)
2355 kref_get(&req
->ref
);
2360 i915_gem_request_unreference(struct drm_i915_gem_request
*req
)
2362 WARN_ON(!mutex_is_locked(&req
->engine
->dev
->struct_mutex
));
2363 kref_put(&req
->ref
, i915_gem_request_free
);
2367 i915_gem_request_unreference__unlocked(struct drm_i915_gem_request
*req
)
2369 struct drm_device
*dev
;
2374 dev
= req
->engine
->dev
;
2375 if (kref_put_mutex(&req
->ref
, i915_gem_request_free
, &dev
->struct_mutex
))
2376 mutex_unlock(&dev
->struct_mutex
);
2379 static inline void i915_gem_request_assign(struct drm_i915_gem_request
**pdst
,
2380 struct drm_i915_gem_request
*src
)
2383 i915_gem_request_reference(src
);
2386 i915_gem_request_unreference(*pdst
);
2392 * XXX: i915_gem_request_completed should be here but currently needs the
2393 * definition of i915_seqno_passed() which is below. It will be moved in
2394 * a later patch when the call to i915_seqno_passed() is obsoleted...
2398 * A command that requires special handling by the command parser.
2400 struct drm_i915_cmd_descriptor
{
2402 * Flags describing how the command parser processes the command.
2404 * CMD_DESC_FIXED: The command has a fixed length if this is set,
2405 * a length mask if not set
2406 * CMD_DESC_SKIP: The command is allowed but does not follow the
2407 * standard length encoding for the opcode range in
2409 * CMD_DESC_REJECT: The command is never allowed
2410 * CMD_DESC_REGISTER: The command should be checked against the
2411 * register whitelist for the appropriate ring
2412 * CMD_DESC_MASTER: The command is allowed if the submitting process
2416 #define CMD_DESC_FIXED (1<<0)
2417 #define CMD_DESC_SKIP (1<<1)
2418 #define CMD_DESC_REJECT (1<<2)
2419 #define CMD_DESC_REGISTER (1<<3)
2420 #define CMD_DESC_BITMASK (1<<4)
2421 #define CMD_DESC_MASTER (1<<5)
2424 * The command's unique identification bits and the bitmask to get them.
2425 * This isn't strictly the opcode field as defined in the spec and may
2426 * also include type, subtype, and/or subop fields.
2434 * The command's length. The command is either fixed length (i.e. does
2435 * not include a length field) or has a length field mask. The flag
2436 * CMD_DESC_FIXED indicates a fixed length. Otherwise, the command has
2437 * a length mask. All command entries in a command table must include
2438 * length information.
2446 * Describes where to find a register address in the command to check
2447 * against the ring's register whitelist. Only valid if flags has the
2448 * CMD_DESC_REGISTER bit set.
2450 * A non-zero step value implies that the command may access multiple
2451 * registers in sequence (e.g. LRI), in that case step gives the
2452 * distance in dwords between individual offset fields.
2460 #define MAX_CMD_DESC_BITMASKS 3
2462 * Describes command checks where a particular dword is masked and
2463 * compared against an expected value. If the command does not match
2464 * the expected value, the parser rejects it. Only valid if flags has
2465 * the CMD_DESC_BITMASK bit set. Only entries where mask is non-zero
2468 * If the check specifies a non-zero condition_mask then the parser
2469 * only performs the check when the bits specified by condition_mask
2476 u32 condition_offset
;
2478 } bits
[MAX_CMD_DESC_BITMASKS
];
2482 * A table of commands requiring special handling by the command parser.
2484 * Each ring has an array of tables. Each table consists of an array of command
2485 * descriptors, which must be sorted with command opcodes in ascending order.
2487 struct drm_i915_cmd_table
{
2488 const struct drm_i915_cmd_descriptor
*table
;
2492 /* Note that the (struct drm_i915_private *) cast is just to shut up gcc. */
2493 #define __I915__(p) ({ \
2494 struct drm_i915_private *__p; \
2495 if (__builtin_types_compatible_p(typeof(*p), struct drm_i915_private)) \
2496 __p = (struct drm_i915_private *)p; \
2497 else if (__builtin_types_compatible_p(typeof(*p), struct drm_device)) \
2498 __p = to_i915((struct drm_device *)p); \
2503 #define INTEL_INFO(p) (&__I915__(p)->info)
2504 #define INTEL_GEN(p) (INTEL_INFO(p)->gen)
2505 #define INTEL_DEVID(p) (INTEL_INFO(p)->device_id)
2506 #define INTEL_REVID(p) (__I915__(p)->dev->pdev->revision)
2508 #define REVID_FOREVER 0xff
2510 * Return true if revision is in range [since,until] inclusive.
2512 * Use 0 for open-ended since, and REVID_FOREVER for open-ended until.
2514 #define IS_REVID(p, since, until) \
2515 (INTEL_REVID(p) >= (since) && INTEL_REVID(p) <= (until))
2517 #define IS_I830(dev) (INTEL_DEVID(dev) == 0x3577)
2518 #define IS_845G(dev) (INTEL_DEVID(dev) == 0x2562)
2519 #define IS_I85X(dev) (INTEL_INFO(dev)->is_i85x)
2520 #define IS_I865G(dev) (INTEL_DEVID(dev) == 0x2572)
2521 #define IS_I915G(dev) (INTEL_INFO(dev)->is_i915g)
2522 #define IS_I915GM(dev) (INTEL_DEVID(dev) == 0x2592)
2523 #define IS_I945G(dev) (INTEL_DEVID(dev) == 0x2772)
2524 #define IS_I945GM(dev) (INTEL_INFO(dev)->is_i945gm)
2525 #define IS_BROADWATER(dev) (INTEL_INFO(dev)->is_broadwater)
2526 #define IS_CRESTLINE(dev) (INTEL_INFO(dev)->is_crestline)
2527 #define IS_GM45(dev) (INTEL_DEVID(dev) == 0x2A42)
2528 #define IS_G4X(dev) (INTEL_INFO(dev)->is_g4x)
2529 #define IS_PINEVIEW_G(dev) (INTEL_DEVID(dev) == 0xa001)
2530 #define IS_PINEVIEW_M(dev) (INTEL_DEVID(dev) == 0xa011)
2531 #define IS_PINEVIEW(dev) (INTEL_INFO(dev)->is_pineview)
2532 #define IS_G33(dev) (INTEL_INFO(dev)->is_g33)
2533 #define IS_IRONLAKE_M(dev) (INTEL_DEVID(dev) == 0x0046)
2534 #define IS_IVYBRIDGE(dev) (INTEL_INFO(dev)->is_ivybridge)
2535 #define IS_IVB_GT1(dev) (INTEL_DEVID(dev) == 0x0156 || \
2536 INTEL_DEVID(dev) == 0x0152 || \
2537 INTEL_DEVID(dev) == 0x015a)
2538 #define IS_VALLEYVIEW(dev) (INTEL_INFO(dev)->is_valleyview)
2539 #define IS_CHERRYVIEW(dev) (INTEL_INFO(dev)->is_cherryview)
2540 #define IS_HASWELL(dev) (INTEL_INFO(dev)->is_haswell)
2541 #define IS_BROADWELL(dev) (!INTEL_INFO(dev)->is_cherryview && IS_GEN8(dev))
2542 #define IS_SKYLAKE(dev) (INTEL_INFO(dev)->is_skylake)
2543 #define IS_BROXTON(dev) (INTEL_INFO(dev)->is_broxton)
2544 #define IS_KABYLAKE(dev) (INTEL_INFO(dev)->is_kabylake)
2545 #define IS_MOBILE(dev) (INTEL_INFO(dev)->is_mobile)
2546 #define IS_HSW_EARLY_SDV(dev) (IS_HASWELL(dev) && \
2547 (INTEL_DEVID(dev) & 0xFF00) == 0x0C00)
2548 #define IS_BDW_ULT(dev) (IS_BROADWELL(dev) && \
2549 ((INTEL_DEVID(dev) & 0xf) == 0x6 || \
2550 (INTEL_DEVID(dev) & 0xf) == 0xb || \
2551 (INTEL_DEVID(dev) & 0xf) == 0xe))
2552 /* ULX machines are also considered ULT. */
2553 #define IS_BDW_ULX(dev) (IS_BROADWELL(dev) && \
2554 (INTEL_DEVID(dev) & 0xf) == 0xe)
2555 #define IS_BDW_GT3(dev) (IS_BROADWELL(dev) && \
2556 (INTEL_DEVID(dev) & 0x00F0) == 0x0020)
2557 #define IS_HSW_ULT(dev) (IS_HASWELL(dev) && \
2558 (INTEL_DEVID(dev) & 0xFF00) == 0x0A00)
2559 #define IS_HSW_GT3(dev) (IS_HASWELL(dev) && \
2560 (INTEL_DEVID(dev) & 0x00F0) == 0x0020)
2561 /* ULX machines are also considered ULT. */
2562 #define IS_HSW_ULX(dev) (INTEL_DEVID(dev) == 0x0A0E || \
2563 INTEL_DEVID(dev) == 0x0A1E)
2564 #define IS_SKL_ULT(dev) (INTEL_DEVID(dev) == 0x1906 || \
2565 INTEL_DEVID(dev) == 0x1913 || \
2566 INTEL_DEVID(dev) == 0x1916 || \
2567 INTEL_DEVID(dev) == 0x1921 || \
2568 INTEL_DEVID(dev) == 0x1926)
2569 #define IS_SKL_ULX(dev) (INTEL_DEVID(dev) == 0x190E || \
2570 INTEL_DEVID(dev) == 0x1915 || \
2571 INTEL_DEVID(dev) == 0x191E)
2572 #define IS_KBL_ULT(dev) (INTEL_DEVID(dev) == 0x5906 || \
2573 INTEL_DEVID(dev) == 0x5913 || \
2574 INTEL_DEVID(dev) == 0x5916 || \
2575 INTEL_DEVID(dev) == 0x5921 || \
2576 INTEL_DEVID(dev) == 0x5926)
2577 #define IS_KBL_ULX(dev) (INTEL_DEVID(dev) == 0x590E || \
2578 INTEL_DEVID(dev) == 0x5915 || \
2579 INTEL_DEVID(dev) == 0x591E)
2580 #define IS_SKL_GT3(dev) (IS_SKYLAKE(dev) && \
2581 (INTEL_DEVID(dev) & 0x00F0) == 0x0020)
2582 #define IS_SKL_GT4(dev) (IS_SKYLAKE(dev) && \
2583 (INTEL_DEVID(dev) & 0x00F0) == 0x0030)
2585 #define IS_PRELIMINARY_HW(intel_info) ((intel_info)->is_preliminary)
2587 #define SKL_REVID_A0 0x0
2588 #define SKL_REVID_B0 0x1
2589 #define SKL_REVID_C0 0x2
2590 #define SKL_REVID_D0 0x3
2591 #define SKL_REVID_E0 0x4
2592 #define SKL_REVID_F0 0x5
2594 #define IS_SKL_REVID(p, since, until) (IS_SKYLAKE(p) && IS_REVID(p, since, until))
2596 #define BXT_REVID_A0 0x0
2597 #define BXT_REVID_A1 0x1
2598 #define BXT_REVID_B0 0x3
2599 #define BXT_REVID_C0 0x9
2601 #define IS_BXT_REVID(p, since, until) (IS_BROXTON(p) && IS_REVID(p, since, until))
2604 * The genX designation typically refers to the render engine, so render
2605 * capability related checks should use IS_GEN, while display and other checks
2606 * have their own (e.g. HAS_PCH_SPLIT for ILK+ display, IS_foo for particular
2609 #define IS_GEN2(dev) (INTEL_INFO(dev)->gen == 2)
2610 #define IS_GEN3(dev) (INTEL_INFO(dev)->gen == 3)
2611 #define IS_GEN4(dev) (INTEL_INFO(dev)->gen == 4)
2612 #define IS_GEN5(dev) (INTEL_INFO(dev)->gen == 5)
2613 #define IS_GEN6(dev) (INTEL_INFO(dev)->gen == 6)
2614 #define IS_GEN7(dev) (INTEL_INFO(dev)->gen == 7)
2615 #define IS_GEN8(dev) (INTEL_INFO(dev)->gen == 8)
2616 #define IS_GEN9(dev) (INTEL_INFO(dev)->gen == 9)
2618 #define RENDER_RING (1<<RCS)
2619 #define BSD_RING (1<<VCS)
2620 #define BLT_RING (1<<BCS)
2621 #define VEBOX_RING (1<<VECS)
2622 #define BSD2_RING (1<<VCS2)
2623 #define ALL_ENGINES (~0)
2625 #define HAS_BSD(dev) (INTEL_INFO(dev)->ring_mask & BSD_RING)
2626 #define HAS_BSD2(dev) (INTEL_INFO(dev)->ring_mask & BSD2_RING)
2627 #define HAS_BLT(dev) (INTEL_INFO(dev)->ring_mask & BLT_RING)
2628 #define HAS_VEBOX(dev) (INTEL_INFO(dev)->ring_mask & VEBOX_RING)
2629 #define HAS_LLC(dev) (INTEL_INFO(dev)->has_llc)
2630 #define HAS_SNOOP(dev) (INTEL_INFO(dev)->has_snoop)
2631 #define HAS_EDRAM(dev) (__I915__(dev)->edram_cap & EDRAM_ENABLED)
2632 #define HAS_WT(dev) ((IS_HASWELL(dev) || IS_BROADWELL(dev)) && \
2634 #define I915_NEED_GFX_HWS(dev) (INTEL_INFO(dev)->need_gfx_hws)
2636 #define HAS_HW_CONTEXTS(dev) (INTEL_INFO(dev)->gen >= 6)
2637 #define HAS_LOGICAL_RING_CONTEXTS(dev) (INTEL_INFO(dev)->gen >= 8)
2638 #define USES_PPGTT(dev) (i915.enable_ppgtt)
2639 #define USES_FULL_PPGTT(dev) (i915.enable_ppgtt >= 2)
2640 #define USES_FULL_48BIT_PPGTT(dev) (i915.enable_ppgtt == 3)
2642 #define HAS_OVERLAY(dev) (INTEL_INFO(dev)->has_overlay)
2643 #define OVERLAY_NEEDS_PHYSICAL(dev) (INTEL_INFO(dev)->overlay_needs_physical)
2645 /* Early gen2 have a totally busted CS tlb and require pinned batches. */
2646 #define HAS_BROKEN_CS_TLB(dev) (IS_I830(dev) || IS_845G(dev))
2648 /* WaRsDisableCoarsePowerGating:skl,bxt */
2649 #define NEEDS_WaRsDisableCoarsePowerGating(dev) (IS_BXT_REVID(dev, 0, BXT_REVID_A1) || \
2650 IS_SKL_GT3(dev) || \
2654 * dp aux and gmbus irq on gen4 seems to be able to generate legacy interrupts
2655 * even when in MSI mode. This results in spurious interrupt warnings if the
2656 * legacy irq no. is shared with another device. The kernel then disables that
2657 * interrupt source and so prevents the other device from working properly.
2659 #define HAS_AUX_IRQ(dev) (INTEL_INFO(dev)->gen >= 5)
2660 #define HAS_GMBUS_IRQ(dev) (INTEL_INFO(dev)->gen >= 5)
2662 /* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
2663 * rows, which changed the alignment requirements and fence programming.
2665 #define HAS_128_BYTE_Y_TILING(dev) (!IS_GEN2(dev) && !(IS_I915G(dev) || \
2667 #define SUPPORTS_TV(dev) (INTEL_INFO(dev)->supports_tv)
2668 #define I915_HAS_HOTPLUG(dev) (INTEL_INFO(dev)->has_hotplug)
2670 #define HAS_FW_BLC(dev) (INTEL_INFO(dev)->gen > 2)
2671 #define HAS_PIPE_CXSR(dev) (INTEL_INFO(dev)->has_pipe_cxsr)
2672 #define HAS_FBC(dev) (INTEL_INFO(dev)->has_fbc)
2674 #define HAS_IPS(dev) (IS_HSW_ULT(dev) || IS_BROADWELL(dev))
2676 #define HAS_DP_MST(dev) (IS_HASWELL(dev) || IS_BROADWELL(dev) || \
2677 INTEL_INFO(dev)->gen >= 9)
2679 #define HAS_DDI(dev) (INTEL_INFO(dev)->has_ddi)
2680 #define HAS_FPGA_DBG_UNCLAIMED(dev) (INTEL_INFO(dev)->has_fpga_dbg)
2681 #define HAS_PSR(dev) (IS_HASWELL(dev) || IS_BROADWELL(dev) || \
2682 IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev) || \
2683 IS_SKYLAKE(dev) || IS_KABYLAKE(dev))
2684 #define HAS_RUNTIME_PM(dev) (IS_GEN6(dev) || IS_HASWELL(dev) || \
2685 IS_BROADWELL(dev) || IS_VALLEYVIEW(dev) || \
2686 IS_CHERRYVIEW(dev) || IS_SKYLAKE(dev) || \
2687 IS_KABYLAKE(dev) || IS_BROXTON(dev))
2688 #define HAS_RC6(dev) (INTEL_INFO(dev)->gen >= 6)
2689 #define HAS_RC6p(dev) (INTEL_INFO(dev)->gen == 6 || IS_IVYBRIDGE(dev))
2691 #define HAS_CSR(dev) (IS_GEN9(dev))
2693 #define HAS_GUC_UCODE(dev) (IS_GEN9(dev) && !IS_KABYLAKE(dev))
2694 #define HAS_GUC_SCHED(dev) (IS_GEN9(dev) && !IS_KABYLAKE(dev))
2696 #define HAS_RESOURCE_STREAMER(dev) (IS_HASWELL(dev) || \
2697 INTEL_INFO(dev)->gen >= 8)
2699 #define HAS_CORE_RING_FREQ(dev) (INTEL_INFO(dev)->gen >= 6 && \
2700 !IS_VALLEYVIEW(dev) && !IS_CHERRYVIEW(dev) && \
2703 #define INTEL_PCH_DEVICE_ID_MASK 0xff00
2704 #define INTEL_PCH_IBX_DEVICE_ID_TYPE 0x3b00
2705 #define INTEL_PCH_CPT_DEVICE_ID_TYPE 0x1c00
2706 #define INTEL_PCH_PPT_DEVICE_ID_TYPE 0x1e00
2707 #define INTEL_PCH_LPT_DEVICE_ID_TYPE 0x8c00
2708 #define INTEL_PCH_LPT_LP_DEVICE_ID_TYPE 0x9c00
2709 #define INTEL_PCH_SPT_DEVICE_ID_TYPE 0xA100
2710 #define INTEL_PCH_SPT_LP_DEVICE_ID_TYPE 0x9D00
2711 #define INTEL_PCH_P2X_DEVICE_ID_TYPE 0x7100
2712 #define INTEL_PCH_P3X_DEVICE_ID_TYPE 0x7000
2713 #define INTEL_PCH_QEMU_DEVICE_ID_TYPE 0x2900 /* qemu q35 has 2918 */
2715 #define INTEL_PCH_TYPE(dev) (__I915__(dev)->pch_type)
2716 #define HAS_PCH_SPT(dev) (INTEL_PCH_TYPE(dev) == PCH_SPT)
2717 #define HAS_PCH_LPT(dev) (INTEL_PCH_TYPE(dev) == PCH_LPT)
2718 #define HAS_PCH_LPT_LP(dev) (__I915__(dev)->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE)
2719 #define HAS_PCH_LPT_H(dev) (__I915__(dev)->pch_id == INTEL_PCH_LPT_DEVICE_ID_TYPE)
2720 #define HAS_PCH_CPT(dev) (INTEL_PCH_TYPE(dev) == PCH_CPT)
2721 #define HAS_PCH_IBX(dev) (INTEL_PCH_TYPE(dev) == PCH_IBX)
2722 #define HAS_PCH_NOP(dev) (INTEL_PCH_TYPE(dev) == PCH_NOP)
2723 #define HAS_PCH_SPLIT(dev) (INTEL_PCH_TYPE(dev) != PCH_NONE)
2725 #define HAS_GMCH_DISPLAY(dev) (INTEL_INFO(dev)->gen < 5 || \
2726 IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev))
2728 /* DPF == dynamic parity feature */
2729 #define HAS_L3_DPF(dev) (IS_IVYBRIDGE(dev) || IS_HASWELL(dev))
2730 #define NUM_L3_SLICES(dev) (IS_HSW_GT3(dev) ? 2 : HAS_L3_DPF(dev))
2732 #define GT_FREQUENCY_MULTIPLIER 50
2733 #define GEN9_FREQ_SCALER 3
2735 #include "i915_trace.h"
2737 extern const struct drm_ioctl_desc i915_ioctls
[];
2738 extern int i915_max_ioctl
;
2740 extern int i915_suspend_switcheroo(struct drm_device
*dev
, pm_message_t state
);
2741 extern int i915_resume_switcheroo(struct drm_device
*dev
);
2745 __i915_printk(struct drm_i915_private
*dev_priv
, const char *level
,
2746 const char *fmt
, ...);
2748 #define i915_report_error(dev_priv, fmt, ...) \
2749 __i915_printk(dev_priv, KERN_ERR, fmt, ##__VA_ARGS__)
2751 extern int i915_driver_load(struct drm_device
*, unsigned long flags
);
2752 extern int i915_driver_unload(struct drm_device
*);
2753 extern int i915_driver_open(struct drm_device
*dev
, struct drm_file
*file
);
2754 extern void i915_driver_lastclose(struct drm_device
* dev
);
2755 extern void i915_driver_preclose(struct drm_device
*dev
,
2756 struct drm_file
*file
);
2757 extern void i915_driver_postclose(struct drm_device
*dev
,
2758 struct drm_file
*file
);
2759 #ifdef CONFIG_COMPAT
2760 extern long i915_compat_ioctl(struct file
*filp
, unsigned int cmd
,
2763 extern int intel_gpu_reset(struct drm_device
*dev
, u32 engine_mask
);
2764 extern bool intel_has_gpu_reset(struct drm_device
*dev
);
2765 extern int i915_reset(struct drm_device
*dev
);
2766 extern int intel_guc_reset(struct drm_i915_private
*dev_priv
);
2767 extern void intel_engine_init_hangcheck(struct intel_engine_cs
*engine
);
2768 extern unsigned long i915_chipset_val(struct drm_i915_private
*dev_priv
);
2769 extern unsigned long i915_mch_val(struct drm_i915_private
*dev_priv
);
2770 extern unsigned long i915_gfx_val(struct drm_i915_private
*dev_priv
);
2771 extern void i915_update_gfx_val(struct drm_i915_private
*dev_priv
);
2772 int vlv_force_gfx_clock(struct drm_i915_private
*dev_priv
, bool on
);
2774 /* intel_hotplug.c */
2775 void intel_hpd_irq_handler(struct drm_device
*dev
, u32 pin_mask
, u32 long_mask
);
2776 void intel_hpd_init(struct drm_i915_private
*dev_priv
);
2777 void intel_hpd_init_work(struct drm_i915_private
*dev_priv
);
2778 void intel_hpd_cancel_work(struct drm_i915_private
*dev_priv
);
2779 bool intel_hpd_pin_to_port(enum hpd_pin pin
, enum port
*port
);
2782 void i915_queue_hangcheck(struct drm_device
*dev
);
2784 void i915_handle_error(struct drm_device
*dev
, u32 engine_mask
,
2785 const char *fmt
, ...);
2787 extern void intel_irq_init(struct drm_i915_private
*dev_priv
);
2788 int intel_irq_install(struct drm_i915_private
*dev_priv
);
2789 void intel_irq_uninstall(struct drm_i915_private
*dev_priv
);
2791 extern void intel_uncore_sanitize(struct drm_device
*dev
);
2792 extern void intel_uncore_early_sanitize(struct drm_device
*dev
,
2793 bool restore_forcewake
);
2794 extern void intel_uncore_init(struct drm_device
*dev
);
2795 extern bool intel_uncore_unclaimed_mmio(struct drm_i915_private
*dev_priv
);
2796 extern bool intel_uncore_arm_unclaimed_mmio_detection(struct drm_i915_private
*dev_priv
);
2797 extern void intel_uncore_fini(struct drm_device
*dev
);
2798 extern void intel_uncore_forcewake_reset(struct drm_device
*dev
, bool restore
);
2799 const char *intel_uncore_forcewake_domain_to_str(const enum forcewake_domain_id id
);
2800 void intel_uncore_forcewake_get(struct drm_i915_private
*dev_priv
,
2801 enum forcewake_domains domains
);
2802 void intel_uncore_forcewake_put(struct drm_i915_private
*dev_priv
,
2803 enum forcewake_domains domains
);
2804 /* Like above but the caller must manage the uncore.lock itself.
2805 * Must be used with I915_READ_FW and friends.
2807 void intel_uncore_forcewake_get__locked(struct drm_i915_private
*dev_priv
,
2808 enum forcewake_domains domains
);
2809 void intel_uncore_forcewake_put__locked(struct drm_i915_private
*dev_priv
,
2810 enum forcewake_domains domains
);
2811 u64
intel_uncore_edram_size(struct drm_i915_private
*dev_priv
);
2813 void assert_forcewakes_inactive(struct drm_i915_private
*dev_priv
);
2814 static inline bool intel_vgpu_active(struct drm_device
*dev
)
2816 return to_i915(dev
)->vgpu
.active
;
2820 i915_enable_pipestat(struct drm_i915_private
*dev_priv
, enum pipe pipe
,
2824 i915_disable_pipestat(struct drm_i915_private
*dev_priv
, enum pipe pipe
,
2827 void valleyview_enable_display_irqs(struct drm_i915_private
*dev_priv
);
2828 void valleyview_disable_display_irqs(struct drm_i915_private
*dev_priv
);
2829 void i915_hotplug_interrupt_update(struct drm_i915_private
*dev_priv
,
2832 void ilk_update_display_irq(struct drm_i915_private
*dev_priv
,
2833 uint32_t interrupt_mask
,
2834 uint32_t enabled_irq_mask
);
2836 ilk_enable_display_irq(struct drm_i915_private
*dev_priv
, uint32_t bits
)
2838 ilk_update_display_irq(dev_priv
, bits
, bits
);
2841 ilk_disable_display_irq(struct drm_i915_private
*dev_priv
, uint32_t bits
)
2843 ilk_update_display_irq(dev_priv
, bits
, 0);
2845 void bdw_update_pipe_irq(struct drm_i915_private
*dev_priv
,
2847 uint32_t interrupt_mask
,
2848 uint32_t enabled_irq_mask
);
2849 static inline void bdw_enable_pipe_irq(struct drm_i915_private
*dev_priv
,
2850 enum pipe pipe
, uint32_t bits
)
2852 bdw_update_pipe_irq(dev_priv
, pipe
, bits
, bits
);
2854 static inline void bdw_disable_pipe_irq(struct drm_i915_private
*dev_priv
,
2855 enum pipe pipe
, uint32_t bits
)
2857 bdw_update_pipe_irq(dev_priv
, pipe
, bits
, 0);
2859 void ibx_display_interrupt_update(struct drm_i915_private
*dev_priv
,
2860 uint32_t interrupt_mask
,
2861 uint32_t enabled_irq_mask
);
2863 ibx_enable_display_interrupt(struct drm_i915_private
*dev_priv
, uint32_t bits
)
2865 ibx_display_interrupt_update(dev_priv
, bits
, bits
);
2868 ibx_disable_display_interrupt(struct drm_i915_private
*dev_priv
, uint32_t bits
)
2870 ibx_display_interrupt_update(dev_priv
, bits
, 0);
2875 int i915_gem_create_ioctl(struct drm_device
*dev
, void *data
,
2876 struct drm_file
*file_priv
);
2877 int i915_gem_pread_ioctl(struct drm_device
*dev
, void *data
,
2878 struct drm_file
*file_priv
);
2879 int i915_gem_pwrite_ioctl(struct drm_device
*dev
, void *data
,
2880 struct drm_file
*file_priv
);
2881 int i915_gem_mmap_ioctl(struct drm_device
*dev
, void *data
,
2882 struct drm_file
*file_priv
);
2883 int i915_gem_mmap_gtt_ioctl(struct drm_device
*dev
, void *data
,
2884 struct drm_file
*file_priv
);
2885 int i915_gem_set_domain_ioctl(struct drm_device
*dev
, void *data
,
2886 struct drm_file
*file_priv
);
2887 int i915_gem_sw_finish_ioctl(struct drm_device
*dev
, void *data
,
2888 struct drm_file
*file_priv
);
2889 void i915_gem_execbuffer_move_to_active(struct list_head
*vmas
,
2890 struct drm_i915_gem_request
*req
);
2891 int i915_gem_ringbuffer_submission(struct i915_execbuffer_params
*params
,
2892 struct drm_i915_gem_execbuffer2
*args
,
2893 struct list_head
*vmas
);
2894 int i915_gem_execbuffer(struct drm_device
*dev
, void *data
,
2895 struct drm_file
*file_priv
);
2896 int i915_gem_execbuffer2(struct drm_device
*dev
, void *data
,
2897 struct drm_file
*file_priv
);
2898 int i915_gem_busy_ioctl(struct drm_device
*dev
, void *data
,
2899 struct drm_file
*file_priv
);
2900 int i915_gem_get_caching_ioctl(struct drm_device
*dev
, void *data
,
2901 struct drm_file
*file
);
2902 int i915_gem_set_caching_ioctl(struct drm_device
*dev
, void *data
,
2903 struct drm_file
*file
);
2904 int i915_gem_throttle_ioctl(struct drm_device
*dev
, void *data
,
2905 struct drm_file
*file_priv
);
2906 int i915_gem_madvise_ioctl(struct drm_device
*dev
, void *data
,
2907 struct drm_file
*file_priv
);
2908 int i915_gem_set_tiling(struct drm_device
*dev
, void *data
,
2909 struct drm_file
*file_priv
);
2910 int i915_gem_get_tiling(struct drm_device
*dev
, void *data
,
2911 struct drm_file
*file_priv
);
2912 int i915_gem_init_userptr(struct drm_device
*dev
);
2913 int i915_gem_userptr_ioctl(struct drm_device
*dev
, void *data
,
2914 struct drm_file
*file
);
2915 int i915_gem_get_aperture_ioctl(struct drm_device
*dev
, void *data
,
2916 struct drm_file
*file_priv
);
2917 int i915_gem_wait_ioctl(struct drm_device
*dev
, void *data
,
2918 struct drm_file
*file_priv
);
2919 void i915_gem_load_init(struct drm_device
*dev
);
2920 void i915_gem_load_cleanup(struct drm_device
*dev
);
2921 void i915_gem_load_init_fences(struct drm_i915_private
*dev_priv
);
2922 void *i915_gem_object_alloc(struct drm_device
*dev
);
2923 void i915_gem_object_free(struct drm_i915_gem_object
*obj
);
2924 void i915_gem_object_init(struct drm_i915_gem_object
*obj
,
2925 const struct drm_i915_gem_object_ops
*ops
);
2926 struct drm_i915_gem_object
*i915_gem_object_create(struct drm_device
*dev
,
2928 struct drm_i915_gem_object
*i915_gem_object_create_from_data(
2929 struct drm_device
*dev
, const void *data
, size_t size
);
2930 void i915_gem_free_object(struct drm_gem_object
*obj
);
2931 void i915_gem_vma_destroy(struct i915_vma
*vma
);
2933 /* Flags used by pin/bind&friends. */
2934 #define PIN_MAPPABLE (1<<0)
2935 #define PIN_NONBLOCK (1<<1)
2936 #define PIN_GLOBAL (1<<2)
2937 #define PIN_OFFSET_BIAS (1<<3)
2938 #define PIN_USER (1<<4)
2939 #define PIN_UPDATE (1<<5)
2940 #define PIN_ZONE_4G (1<<6)
2941 #define PIN_HIGH (1<<7)
2942 #define PIN_OFFSET_FIXED (1<<8)
2943 #define PIN_OFFSET_MASK (~4095)
2945 i915_gem_object_pin(struct drm_i915_gem_object
*obj
,
2946 struct i915_address_space
*vm
,
2950 i915_gem_object_ggtt_pin(struct drm_i915_gem_object
*obj
,
2951 const struct i915_ggtt_view
*view
,
2955 int i915_vma_bind(struct i915_vma
*vma
, enum i915_cache_level cache_level
,
2957 void __i915_vma_set_map_and_fenceable(struct i915_vma
*vma
);
2958 int __must_check
i915_vma_unbind(struct i915_vma
*vma
);
2960 * BEWARE: Do not use the function below unless you can _absolutely_
2961 * _guarantee_ VMA in question is _not in use_ anywhere.
2963 int __must_check
__i915_vma_unbind_no_wait(struct i915_vma
*vma
);
2964 int i915_gem_object_put_pages(struct drm_i915_gem_object
*obj
);
2965 void i915_gem_release_all_mmaps(struct drm_i915_private
*dev_priv
);
2966 void i915_gem_release_mmap(struct drm_i915_gem_object
*obj
);
2968 int i915_gem_obj_prepare_shmem_read(struct drm_i915_gem_object
*obj
,
2969 int *needs_clflush
);
2971 int __must_check
i915_gem_object_get_pages(struct drm_i915_gem_object
*obj
);
2973 static inline int __sg_page_count(struct scatterlist
*sg
)
2975 return sg
->length
>> PAGE_SHIFT
;
2979 i915_gem_object_get_dirty_page(struct drm_i915_gem_object
*obj
, int n
);
2981 static inline struct page
*
2982 i915_gem_object_get_page(struct drm_i915_gem_object
*obj
, int n
)
2984 if (WARN_ON(n
>= obj
->base
.size
>> PAGE_SHIFT
))
2987 if (n
< obj
->get_page
.last
) {
2988 obj
->get_page
.sg
= obj
->pages
->sgl
;
2989 obj
->get_page
.last
= 0;
2992 while (obj
->get_page
.last
+ __sg_page_count(obj
->get_page
.sg
) <= n
) {
2993 obj
->get_page
.last
+= __sg_page_count(obj
->get_page
.sg
++);
2994 if (unlikely(sg_is_chain(obj
->get_page
.sg
)))
2995 obj
->get_page
.sg
= sg_chain_ptr(obj
->get_page
.sg
);
2998 return nth_page(sg_page(obj
->get_page
.sg
), n
- obj
->get_page
.last
);
3001 static inline void i915_gem_object_pin_pages(struct drm_i915_gem_object
*obj
)
3003 BUG_ON(obj
->pages
== NULL
);
3004 obj
->pages_pin_count
++;
3007 static inline void i915_gem_object_unpin_pages(struct drm_i915_gem_object
*obj
)
3009 BUG_ON(obj
->pages_pin_count
== 0);
3010 obj
->pages_pin_count
--;
3014 * i915_gem_object_pin_map - return a contiguous mapping of the entire object
3015 * @obj - the object to map into kernel address space
3017 * Calls i915_gem_object_pin_pages() to prevent reaping of the object's
3018 * pages and then returns a contiguous mapping of the backing storage into
3019 * the kernel address space.
3021 * The caller must hold the struct_mutex, and is responsible for calling
3022 * i915_gem_object_unpin_map() when the mapping is no longer required.
3024 * Returns the pointer through which to access the mapped object, or an
3025 * ERR_PTR() on error.
3027 void *__must_check
i915_gem_object_pin_map(struct drm_i915_gem_object
*obj
);
3030 * i915_gem_object_unpin_map - releases an earlier mapping
3031 * @obj - the object to unmap
3033 * After pinning the object and mapping its pages, once you are finished
3034 * with your access, call i915_gem_object_unpin_map() to release the pin
3035 * upon the mapping. Once the pin count reaches zero, that mapping may be
3038 * The caller must hold the struct_mutex.
3040 static inline void i915_gem_object_unpin_map(struct drm_i915_gem_object
*obj
)
3042 lockdep_assert_held(&obj
->base
.dev
->struct_mutex
);
3043 i915_gem_object_unpin_pages(obj
);
3046 int __must_check
i915_mutex_lock_interruptible(struct drm_device
*dev
);
3047 int i915_gem_object_sync(struct drm_i915_gem_object
*obj
,
3048 struct intel_engine_cs
*to
,
3049 struct drm_i915_gem_request
**to_req
);
3050 void i915_vma_move_to_active(struct i915_vma
*vma
,
3051 struct drm_i915_gem_request
*req
);
3052 int i915_gem_dumb_create(struct drm_file
*file_priv
,
3053 struct drm_device
*dev
,
3054 struct drm_mode_create_dumb
*args
);
3055 int i915_gem_mmap_gtt(struct drm_file
*file_priv
, struct drm_device
*dev
,
3056 uint32_t handle
, uint64_t *offset
);
3058 * Returns true if seq1 is later than seq2.
3061 i915_seqno_passed(uint32_t seq1
, uint32_t seq2
)
3063 return (int32_t)(seq1
- seq2
) >= 0;
3066 static inline bool i915_gem_request_started(struct drm_i915_gem_request
*req
,
3067 bool lazy_coherency
)
3069 if (!lazy_coherency
&& req
->engine
->irq_seqno_barrier
)
3070 req
->engine
->irq_seqno_barrier(req
->engine
);
3071 return i915_seqno_passed(req
->engine
->get_seqno(req
->engine
),
3072 req
->previous_seqno
);
3075 static inline bool i915_gem_request_completed(struct drm_i915_gem_request
*req
,
3076 bool lazy_coherency
)
3078 if (!lazy_coherency
&& req
->engine
->irq_seqno_barrier
)
3079 req
->engine
->irq_seqno_barrier(req
->engine
);
3080 return i915_seqno_passed(req
->engine
->get_seqno(req
->engine
),
3084 int __must_check
i915_gem_get_seqno(struct drm_device
*dev
, u32
*seqno
);
3085 int __must_check
i915_gem_set_seqno(struct drm_device
*dev
, u32 seqno
);
3087 struct drm_i915_gem_request
*
3088 i915_gem_find_active_request(struct intel_engine_cs
*engine
);
3090 bool i915_gem_retire_requests(struct drm_device
*dev
);
3091 void i915_gem_retire_requests_ring(struct intel_engine_cs
*engine
);
3093 static inline u32
i915_reset_counter(struct i915_gpu_error
*error
)
3095 return atomic_read(&error
->reset_counter
);
3098 static inline bool __i915_reset_in_progress(u32 reset
)
3100 return unlikely(reset
& I915_RESET_IN_PROGRESS_FLAG
);
3103 static inline bool __i915_reset_in_progress_or_wedged(u32 reset
)
3105 return unlikely(reset
& (I915_RESET_IN_PROGRESS_FLAG
| I915_WEDGED
));
3108 static inline bool __i915_terminally_wedged(u32 reset
)
3110 return unlikely(reset
& I915_WEDGED
);
3113 static inline bool i915_reset_in_progress(struct i915_gpu_error
*error
)
3115 return __i915_reset_in_progress(i915_reset_counter(error
));
3118 static inline bool i915_reset_in_progress_or_wedged(struct i915_gpu_error
*error
)
3120 return __i915_reset_in_progress_or_wedged(i915_reset_counter(error
));
3123 static inline bool i915_terminally_wedged(struct i915_gpu_error
*error
)
3125 return __i915_terminally_wedged(i915_reset_counter(error
));
3128 static inline u32
i915_reset_count(struct i915_gpu_error
*error
)
3130 return ((i915_reset_counter(error
) & ~I915_WEDGED
) + 1) / 2;
3133 static inline bool i915_stop_ring_allow_ban(struct drm_i915_private
*dev_priv
)
3135 return dev_priv
->gpu_error
.stop_rings
== 0 ||
3136 dev_priv
->gpu_error
.stop_rings
& I915_STOP_RING_ALLOW_BAN
;
3139 static inline bool i915_stop_ring_allow_warn(struct drm_i915_private
*dev_priv
)
3141 return dev_priv
->gpu_error
.stop_rings
== 0 ||
3142 dev_priv
->gpu_error
.stop_rings
& I915_STOP_RING_ALLOW_WARN
;
3145 void i915_gem_reset(struct drm_device
*dev
);
3146 bool i915_gem_clflush_object(struct drm_i915_gem_object
*obj
, bool force
);
3147 int __must_check
i915_gem_init(struct drm_device
*dev
);
3148 int i915_gem_init_engines(struct drm_device
*dev
);
3149 int __must_check
i915_gem_init_hw(struct drm_device
*dev
);
3150 int i915_gem_l3_remap(struct drm_i915_gem_request
*req
, int slice
);
3151 void i915_gem_init_swizzling(struct drm_device
*dev
);
3152 void i915_gem_cleanup_engines(struct drm_device
*dev
);
3153 int __must_check
i915_gpu_idle(struct drm_device
*dev
);
3154 int __must_check
i915_gem_suspend(struct drm_device
*dev
);
3155 void __i915_add_request(struct drm_i915_gem_request
*req
,
3156 struct drm_i915_gem_object
*batch_obj
,
3158 #define i915_add_request(req) \
3159 __i915_add_request(req, NULL, true)
3160 #define i915_add_request_no_flush(req) \
3161 __i915_add_request(req, NULL, false)
3162 int __i915_wait_request(struct drm_i915_gem_request
*req
,
3165 struct intel_rps_client
*rps
);
3166 int __must_check
i915_wait_request(struct drm_i915_gem_request
*req
);
3167 int i915_gem_fault(struct vm_area_struct
*vma
, struct vm_fault
*vmf
);
3169 i915_gem_object_wait_rendering(struct drm_i915_gem_object
*obj
,
3172 i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object
*obj
,
3175 i915_gem_object_set_to_cpu_domain(struct drm_i915_gem_object
*obj
, bool write
);
3177 i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object
*obj
,
3179 const struct i915_ggtt_view
*view
);
3180 void i915_gem_object_unpin_from_display_plane(struct drm_i915_gem_object
*obj
,
3181 const struct i915_ggtt_view
*view
);
3182 int i915_gem_object_attach_phys(struct drm_i915_gem_object
*obj
,
3184 int i915_gem_open(struct drm_device
*dev
, struct drm_file
*file
);
3185 void i915_gem_release(struct drm_device
*dev
, struct drm_file
*file
);
3188 i915_gem_get_gtt_size(struct drm_device
*dev
, uint32_t size
, int tiling_mode
);
3190 i915_gem_get_gtt_alignment(struct drm_device
*dev
, uint32_t size
,
3191 int tiling_mode
, bool fenced
);
3193 int i915_gem_object_set_cache_level(struct drm_i915_gem_object
*obj
,
3194 enum i915_cache_level cache_level
);
3196 struct drm_gem_object
*i915_gem_prime_import(struct drm_device
*dev
,
3197 struct dma_buf
*dma_buf
);
3199 struct dma_buf
*i915_gem_prime_export(struct drm_device
*dev
,
3200 struct drm_gem_object
*gem_obj
, int flags
);
3202 u64
i915_gem_obj_ggtt_offset_view(struct drm_i915_gem_object
*o
,
3203 const struct i915_ggtt_view
*view
);
3204 u64
i915_gem_obj_offset(struct drm_i915_gem_object
*o
,
3205 struct i915_address_space
*vm
);
3207 i915_gem_obj_ggtt_offset(struct drm_i915_gem_object
*o
)
3209 return i915_gem_obj_ggtt_offset_view(o
, &i915_ggtt_view_normal
);
3212 bool i915_gem_obj_bound_any(struct drm_i915_gem_object
*o
);
3213 bool i915_gem_obj_ggtt_bound_view(struct drm_i915_gem_object
*o
,
3214 const struct i915_ggtt_view
*view
);
3215 bool i915_gem_obj_bound(struct drm_i915_gem_object
*o
,
3216 struct i915_address_space
*vm
);
3219 i915_gem_obj_to_vma(struct drm_i915_gem_object
*obj
,
3220 struct i915_address_space
*vm
);
3222 i915_gem_obj_to_ggtt_view(struct drm_i915_gem_object
*obj
,
3223 const struct i915_ggtt_view
*view
);
3226 i915_gem_obj_lookup_or_create_vma(struct drm_i915_gem_object
*obj
,
3227 struct i915_address_space
*vm
);
3229 i915_gem_obj_lookup_or_create_ggtt_vma(struct drm_i915_gem_object
*obj
,
3230 const struct i915_ggtt_view
*view
);
3232 static inline struct i915_vma
*
3233 i915_gem_obj_to_ggtt(struct drm_i915_gem_object
*obj
)
3235 return i915_gem_obj_to_ggtt_view(obj
, &i915_ggtt_view_normal
);
3237 bool i915_gem_obj_is_pinned(struct drm_i915_gem_object
*obj
);
3239 /* Some GGTT VM helpers */
3240 static inline struct i915_hw_ppgtt
*
3241 i915_vm_to_ppgtt(struct i915_address_space
*vm
)
3243 return container_of(vm
, struct i915_hw_ppgtt
, base
);
3247 static inline bool i915_gem_obj_ggtt_bound(struct drm_i915_gem_object
*obj
)
3249 return i915_gem_obj_ggtt_bound_view(obj
, &i915_ggtt_view_normal
);
3253 i915_gem_obj_ggtt_size(struct drm_i915_gem_object
*obj
);
3255 static inline int __must_check
3256 i915_gem_obj_ggtt_pin(struct drm_i915_gem_object
*obj
,
3260 struct drm_i915_private
*dev_priv
= to_i915(obj
->base
.dev
);
3261 struct i915_ggtt
*ggtt
= &dev_priv
->ggtt
;
3263 return i915_gem_object_pin(obj
, &ggtt
->base
,
3264 alignment
, flags
| PIN_GLOBAL
);
3268 i915_gem_object_ggtt_unbind(struct drm_i915_gem_object
*obj
)
3270 return i915_vma_unbind(i915_gem_obj_to_ggtt(obj
));
3273 void i915_gem_object_ggtt_unpin_view(struct drm_i915_gem_object
*obj
,
3274 const struct i915_ggtt_view
*view
);
3276 i915_gem_object_ggtt_unpin(struct drm_i915_gem_object
*obj
)
3278 i915_gem_object_ggtt_unpin_view(obj
, &i915_ggtt_view_normal
);
3281 /* i915_gem_fence.c */
3282 int __must_check
i915_gem_object_get_fence(struct drm_i915_gem_object
*obj
);
3283 int __must_check
i915_gem_object_put_fence(struct drm_i915_gem_object
*obj
);
3285 bool i915_gem_object_pin_fence(struct drm_i915_gem_object
*obj
);
3286 void i915_gem_object_unpin_fence(struct drm_i915_gem_object
*obj
);
3288 void i915_gem_restore_fences(struct drm_device
*dev
);
3290 void i915_gem_detect_bit_6_swizzle(struct drm_device
*dev
);
3291 void i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object
*obj
);
3292 void i915_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object
*obj
);
3294 /* i915_gem_context.c */
3295 int __must_check
i915_gem_context_init(struct drm_device
*dev
);
3296 void i915_gem_context_lost(struct drm_i915_private
*dev_priv
);
3297 void i915_gem_context_fini(struct drm_device
*dev
);
3298 void i915_gem_context_reset(struct drm_device
*dev
);
3299 int i915_gem_context_open(struct drm_device
*dev
, struct drm_file
*file
);
3300 int i915_gem_context_enable(struct drm_i915_gem_request
*req
);
3301 void i915_gem_context_close(struct drm_device
*dev
, struct drm_file
*file
);
3302 int i915_switch_context(struct drm_i915_gem_request
*req
);
3303 struct intel_context
*
3304 i915_gem_context_get(struct drm_i915_file_private
*file_priv
, u32 id
);
3305 void i915_gem_context_free(struct kref
*ctx_ref
);
3306 struct drm_i915_gem_object
*
3307 i915_gem_alloc_context_obj(struct drm_device
*dev
, size_t size
);
3308 static inline void i915_gem_context_reference(struct intel_context
*ctx
)
3310 kref_get(&ctx
->ref
);
3313 static inline void i915_gem_context_unreference(struct intel_context
*ctx
)
3315 kref_put(&ctx
->ref
, i915_gem_context_free
);
3318 static inline bool i915_gem_context_is_default(const struct intel_context
*c
)
3320 return c
->user_handle
== DEFAULT_CONTEXT_HANDLE
;
3323 int i915_gem_context_create_ioctl(struct drm_device
*dev
, void *data
,
3324 struct drm_file
*file
);
3325 int i915_gem_context_destroy_ioctl(struct drm_device
*dev
, void *data
,
3326 struct drm_file
*file
);
3327 int i915_gem_context_getparam_ioctl(struct drm_device
*dev
, void *data
,
3328 struct drm_file
*file_priv
);
3329 int i915_gem_context_setparam_ioctl(struct drm_device
*dev
, void *data
,
3330 struct drm_file
*file_priv
);
3332 /* i915_gem_evict.c */
3333 int __must_check
i915_gem_evict_something(struct drm_device
*dev
,
3334 struct i915_address_space
*vm
,
3337 unsigned cache_level
,
3338 unsigned long start
,
3341 int __must_check
i915_gem_evict_for_vma(struct i915_vma
*target
);
3342 int i915_gem_evict_vm(struct i915_address_space
*vm
, bool do_idle
);
3344 /* belongs in i915_gem_gtt.h */
3345 static inline void i915_gem_chipset_flush(struct drm_device
*dev
)
3347 if (INTEL_INFO(dev
)->gen
< 6)
3348 intel_gtt_chipset_flush();
3351 /* i915_gem_stolen.c */
3352 int i915_gem_stolen_insert_node(struct drm_i915_private
*dev_priv
,
3353 struct drm_mm_node
*node
, u64 size
,
3354 unsigned alignment
);
3355 int i915_gem_stolen_insert_node_in_range(struct drm_i915_private
*dev_priv
,
3356 struct drm_mm_node
*node
, u64 size
,
3357 unsigned alignment
, u64 start
,
3359 void i915_gem_stolen_remove_node(struct drm_i915_private
*dev_priv
,
3360 struct drm_mm_node
*node
);
3361 int i915_gem_init_stolen(struct drm_device
*dev
);
3362 void i915_gem_cleanup_stolen(struct drm_device
*dev
);
3363 struct drm_i915_gem_object
*
3364 i915_gem_object_create_stolen(struct drm_device
*dev
, u32 size
);
3365 struct drm_i915_gem_object
*
3366 i915_gem_object_create_stolen_for_preallocated(struct drm_device
*dev
,
3371 /* i915_gem_shrinker.c */
3372 unsigned long i915_gem_shrink(struct drm_i915_private
*dev_priv
,
3373 unsigned long target
,
3375 #define I915_SHRINK_PURGEABLE 0x1
3376 #define I915_SHRINK_UNBOUND 0x2
3377 #define I915_SHRINK_BOUND 0x4
3378 #define I915_SHRINK_ACTIVE 0x8
3379 #define I915_SHRINK_VMAPS 0x10
3380 unsigned long i915_gem_shrink_all(struct drm_i915_private
*dev_priv
);
3381 void i915_gem_shrinker_init(struct drm_i915_private
*dev_priv
);
3382 void i915_gem_shrinker_cleanup(struct drm_i915_private
*dev_priv
);
3385 /* i915_gem_tiling.c */
3386 static inline bool i915_gem_object_needs_bit17_swizzle(struct drm_i915_gem_object
*obj
)
3388 struct drm_i915_private
*dev_priv
= obj
->base
.dev
->dev_private
;
3390 return dev_priv
->mm
.bit_6_swizzle_x
== I915_BIT_6_SWIZZLE_9_10_17
&&
3391 obj
->tiling_mode
!= I915_TILING_NONE
;
3394 /* i915_gem_debug.c */
3396 int i915_verify_lists(struct drm_device
*dev
);
3398 #define i915_verify_lists(dev) 0
3401 /* i915_debugfs.c */
3402 int i915_debugfs_init(struct drm_minor
*minor
);
3403 void i915_debugfs_cleanup(struct drm_minor
*minor
);
3404 #ifdef CONFIG_DEBUG_FS
3405 int i915_debugfs_connector_add(struct drm_connector
*connector
);
3406 void intel_display_crc_init(struct drm_device
*dev
);
3408 static inline int i915_debugfs_connector_add(struct drm_connector
*connector
)
3410 static inline void intel_display_crc_init(struct drm_device
*dev
) {}
3413 /* i915_gpu_error.c */
3415 void i915_error_printf(struct drm_i915_error_state_buf
*e
, const char *f
, ...);
3416 int i915_error_state_to_str(struct drm_i915_error_state_buf
*estr
,
3417 const struct i915_error_state_file_priv
*error
);
3418 int i915_error_state_buf_init(struct drm_i915_error_state_buf
*eb
,
3419 struct drm_i915_private
*i915
,
3420 size_t count
, loff_t pos
);
3421 static inline void i915_error_state_buf_release(
3422 struct drm_i915_error_state_buf
*eb
)
3426 void i915_capture_error_state(struct drm_device
*dev
, u32 engine_mask
,
3427 const char *error_msg
);
3428 void i915_error_state_get(struct drm_device
*dev
,
3429 struct i915_error_state_file_priv
*error_priv
);
3430 void i915_error_state_put(struct i915_error_state_file_priv
*error_priv
);
3431 void i915_destroy_error_state(struct drm_device
*dev
);
3433 void i915_get_extra_instdone(struct drm_device
*dev
, uint32_t *instdone
);
3434 const char *i915_cache_level_str(struct drm_i915_private
*i915
, int type
);
3436 /* i915_cmd_parser.c */
3437 int i915_cmd_parser_get_version(void);
3438 int i915_cmd_parser_init_ring(struct intel_engine_cs
*engine
);
3439 void i915_cmd_parser_fini_ring(struct intel_engine_cs
*engine
);
3440 bool i915_needs_cmd_parser(struct intel_engine_cs
*engine
);
3441 int i915_parse_cmds(struct intel_engine_cs
*engine
,
3442 struct drm_i915_gem_object
*batch_obj
,
3443 struct drm_i915_gem_object
*shadow_batch_obj
,
3444 u32 batch_start_offset
,
3448 /* i915_suspend.c */
3449 extern int i915_save_state(struct drm_device
*dev
);
3450 extern int i915_restore_state(struct drm_device
*dev
);
3453 void i915_setup_sysfs(struct drm_device
*dev_priv
);
3454 void i915_teardown_sysfs(struct drm_device
*dev_priv
);
3457 extern int intel_setup_gmbus(struct drm_device
*dev
);
3458 extern void intel_teardown_gmbus(struct drm_device
*dev
);
3459 extern bool intel_gmbus_is_valid_pin(struct drm_i915_private
*dev_priv
,
3462 extern struct i2c_adapter
*
3463 intel_gmbus_get_adapter(struct drm_i915_private
*dev_priv
, unsigned int pin
);
3464 extern void intel_gmbus_set_speed(struct i2c_adapter
*adapter
, int speed
);
3465 extern void intel_gmbus_force_bit(struct i2c_adapter
*adapter
, bool force_bit
);
3466 static inline bool intel_gmbus_is_forced_bit(struct i2c_adapter
*adapter
)
3468 return container_of(adapter
, struct intel_gmbus
, adapter
)->force_bit
;
3470 extern void intel_i2c_reset(struct drm_device
*dev
);
3473 int intel_bios_init(struct drm_i915_private
*dev_priv
);
3474 bool intel_bios_is_valid_vbt(const void *buf
, size_t size
);
3475 bool intel_bios_is_tv_present(struct drm_i915_private
*dev_priv
);
3476 bool intel_bios_is_lvds_present(struct drm_i915_private
*dev_priv
, u8
*i2c_pin
);
3477 bool intel_bios_is_port_edp(struct drm_i915_private
*dev_priv
, enum port port
);
3478 bool intel_bios_is_dsi_present(struct drm_i915_private
*dev_priv
, enum port
*port
);
3479 bool intel_bios_is_port_hpd_inverted(struct drm_i915_private
*dev_priv
,
3482 /* intel_opregion.c */
3484 extern int intel_opregion_setup(struct drm_device
*dev
);
3485 extern void intel_opregion_init(struct drm_device
*dev
);
3486 extern void intel_opregion_fini(struct drm_device
*dev
);
3487 extern void intel_opregion_asle_intr(struct drm_device
*dev
);
3488 extern int intel_opregion_notify_encoder(struct intel_encoder
*intel_encoder
,
3490 extern int intel_opregion_notify_adapter(struct drm_device
*dev
,
3492 extern int intel_opregion_get_panel_type(struct drm_device
*dev
);
3494 static inline int intel_opregion_setup(struct drm_device
*dev
) { return 0; }
3495 static inline void intel_opregion_init(struct drm_device
*dev
) { return; }
3496 static inline void intel_opregion_fini(struct drm_device
*dev
) { return; }
3497 static inline void intel_opregion_asle_intr(struct drm_device
*dev
) { return; }
3499 intel_opregion_notify_encoder(struct intel_encoder
*intel_encoder
, bool enable
)
3504 intel_opregion_notify_adapter(struct drm_device
*dev
, pci_power_t state
)
3508 static inline int intel_opregion_get_panel_type(struct drm_device
*dev
)
3516 extern void intel_register_dsm_handler(void);
3517 extern void intel_unregister_dsm_handler(void);
3519 static inline void intel_register_dsm_handler(void) { return; }
3520 static inline void intel_unregister_dsm_handler(void) { return; }
3521 #endif /* CONFIG_ACPI */
3524 extern void intel_modeset_init_hw(struct drm_device
*dev
);
3525 extern void intel_modeset_init(struct drm_device
*dev
);
3526 extern void intel_modeset_gem_init(struct drm_device
*dev
);
3527 extern void intel_modeset_cleanup(struct drm_device
*dev
);
3528 extern void intel_connector_unregister(struct intel_connector
*);
3529 extern int intel_modeset_vga_set_state(struct drm_device
*dev
, bool state
);
3530 extern void intel_display_resume(struct drm_device
*dev
);
3531 extern void i915_redisable_vga(struct drm_device
*dev
);
3532 extern void i915_redisable_vga_power_on(struct drm_device
*dev
);
3533 extern bool ironlake_set_drps(struct drm_device
*dev
, u8 val
);
3534 extern void intel_init_pch_refclk(struct drm_device
*dev
);
3535 extern void intel_set_rps(struct drm_device
*dev
, u8 val
);
3536 extern void intel_set_memory_cxsr(struct drm_i915_private
*dev_priv
,
3538 extern void intel_detect_pch(struct drm_device
*dev
);
3539 extern int intel_enable_rc6(const struct drm_device
*dev
);
3541 extern bool i915_semaphore_is_enabled(struct drm_device
*dev
);
3542 int i915_reg_read_ioctl(struct drm_device
*dev
, void *data
,
3543 struct drm_file
*file
);
3544 int i915_get_reset_stats_ioctl(struct drm_device
*dev
, void *data
,
3545 struct drm_file
*file
);
3548 extern struct intel_overlay_error_state
*intel_overlay_capture_error_state(struct drm_device
*dev
);
3549 extern void intel_overlay_print_error_state(struct drm_i915_error_state_buf
*e
,
3550 struct intel_overlay_error_state
*error
);
3552 extern struct intel_display_error_state
*intel_display_capture_error_state(struct drm_device
*dev
);
3553 extern void intel_display_print_error_state(struct drm_i915_error_state_buf
*e
,
3554 struct drm_device
*dev
,
3555 struct intel_display_error_state
*error
);
3557 int sandybridge_pcode_read(struct drm_i915_private
*dev_priv
, u32 mbox
, u32
*val
);
3558 int sandybridge_pcode_write(struct drm_i915_private
*dev_priv
, u32 mbox
, u32 val
);
3560 /* intel_sideband.c */
3561 u32
vlv_punit_read(struct drm_i915_private
*dev_priv
, u32 addr
);
3562 void vlv_punit_write(struct drm_i915_private
*dev_priv
, u32 addr
, u32 val
);
3563 u32
vlv_nc_read(struct drm_i915_private
*dev_priv
, u8 addr
);
3564 u32
vlv_iosf_sb_read(struct drm_i915_private
*dev_priv
, u8 port
, u32 reg
);
3565 void vlv_iosf_sb_write(struct drm_i915_private
*dev_priv
, u8 port
, u32 reg
, u32 val
);
3566 u32
vlv_cck_read(struct drm_i915_private
*dev_priv
, u32 reg
);
3567 void vlv_cck_write(struct drm_i915_private
*dev_priv
, u32 reg
, u32 val
);
3568 u32
vlv_ccu_read(struct drm_i915_private
*dev_priv
, u32 reg
);
3569 void vlv_ccu_write(struct drm_i915_private
*dev_priv
, u32 reg
, u32 val
);
3570 u32
vlv_bunit_read(struct drm_i915_private
*dev_priv
, u32 reg
);
3571 void vlv_bunit_write(struct drm_i915_private
*dev_priv
, u32 reg
, u32 val
);
3572 u32
vlv_dpio_read(struct drm_i915_private
*dev_priv
, enum pipe pipe
, int reg
);
3573 void vlv_dpio_write(struct drm_i915_private
*dev_priv
, enum pipe pipe
, int reg
, u32 val
);
3574 u32
intel_sbi_read(struct drm_i915_private
*dev_priv
, u16 reg
,
3575 enum intel_sbi_destination destination
);
3576 void intel_sbi_write(struct drm_i915_private
*dev_priv
, u16 reg
, u32 value
,
3577 enum intel_sbi_destination destination
);
3578 u32
vlv_flisdsi_read(struct drm_i915_private
*dev_priv
, u32 reg
);
3579 void vlv_flisdsi_write(struct drm_i915_private
*dev_priv
, u32 reg
, u32 val
);
3581 int intel_gpu_freq(struct drm_i915_private
*dev_priv
, int val
);
3582 int intel_freq_opcode(struct drm_i915_private
*dev_priv
, int val
);
3584 #define I915_READ8(reg) dev_priv->uncore.funcs.mmio_readb(dev_priv, (reg), true)
3585 #define I915_WRITE8(reg, val) dev_priv->uncore.funcs.mmio_writeb(dev_priv, (reg), (val), true)
3587 #define I915_READ16(reg) dev_priv->uncore.funcs.mmio_readw(dev_priv, (reg), true)
3588 #define I915_WRITE16(reg, val) dev_priv->uncore.funcs.mmio_writew(dev_priv, (reg), (val), true)
3589 #define I915_READ16_NOTRACE(reg) dev_priv->uncore.funcs.mmio_readw(dev_priv, (reg), false)
3590 #define I915_WRITE16_NOTRACE(reg, val) dev_priv->uncore.funcs.mmio_writew(dev_priv, (reg), (val), false)
3592 #define I915_READ(reg) dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true)
3593 #define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
3594 #define I915_READ_NOTRACE(reg) dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), false)
3595 #define I915_WRITE_NOTRACE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), false)
3597 /* Be very careful with read/write 64-bit values. On 32-bit machines, they
3598 * will be implemented using 2 32-bit writes in an arbitrary order with
3599 * an arbitrary delay between them. This can cause the hardware to
3600 * act upon the intermediate value, possibly leading to corruption and
3601 * machine death. You have been warned.
3603 #define I915_WRITE64(reg, val) dev_priv->uncore.funcs.mmio_writeq(dev_priv, (reg), (val), true)
3604 #define I915_READ64(reg) dev_priv->uncore.funcs.mmio_readq(dev_priv, (reg), true)
3606 #define I915_READ64_2x32(lower_reg, upper_reg) ({ \
3607 u32 upper, lower, old_upper, loop = 0; \
3608 upper = I915_READ(upper_reg); \
3610 old_upper = upper; \
3611 lower = I915_READ(lower_reg); \
3612 upper = I915_READ(upper_reg); \
3613 } while (upper != old_upper && loop++ < 2); \
3614 (u64)upper << 32 | lower; })
3616 #define POSTING_READ(reg) (void)I915_READ_NOTRACE(reg)
3617 #define POSTING_READ16(reg) (void)I915_READ16_NOTRACE(reg)
3619 #define __raw_read(x, s) \
3620 static inline uint##x##_t __raw_i915_read##x(struct drm_i915_private *dev_priv, \
3623 return read##s(dev_priv->regs + i915_mmio_reg_offset(reg)); \
3626 #define __raw_write(x, s) \
3627 static inline void __raw_i915_write##x(struct drm_i915_private *dev_priv, \
3628 i915_reg_t reg, uint##x##_t val) \
3630 write##s(val, dev_priv->regs + i915_mmio_reg_offset(reg)); \
3645 /* These are untraced mmio-accessors that are only valid to be used inside
3646 * criticial sections inside IRQ handlers where forcewake is explicitly
3648 * Think twice, and think again, before using these.
3649 * Note: Should only be used between intel_uncore_forcewake_irqlock() and
3650 * intel_uncore_forcewake_irqunlock().
3652 #define I915_READ_FW(reg__) __raw_i915_read32(dev_priv, (reg__))
3653 #define I915_WRITE_FW(reg__, val__) __raw_i915_write32(dev_priv, (reg__), (val__))
3654 #define POSTING_READ_FW(reg__) (void)I915_READ_FW(reg__)
3656 /* "Broadcast RGB" property */
3657 #define INTEL_BROADCAST_RGB_AUTO 0
3658 #define INTEL_BROADCAST_RGB_FULL 1
3659 #define INTEL_BROADCAST_RGB_LIMITED 2
3661 static inline i915_reg_t
i915_vgacntrl_reg(struct drm_device
*dev
)
3663 if (IS_VALLEYVIEW(dev
) || IS_CHERRYVIEW(dev
))
3664 return VLV_VGACNTRL
;
3665 else if (INTEL_INFO(dev
)->gen
>= 5)
3666 return CPU_VGACNTRL
;
3671 static inline void __user
*to_user_ptr(u64 address
)
3673 return (void __user
*)(uintptr_t)address
;
3676 static inline unsigned long msecs_to_jiffies_timeout(const unsigned int m
)
3678 unsigned long j
= msecs_to_jiffies(m
);
3680 return min_t(unsigned long, MAX_JIFFY_OFFSET
, j
+ 1);
3683 static inline unsigned long nsecs_to_jiffies_timeout(const u64 n
)
3685 return min_t(u64
, MAX_JIFFY_OFFSET
, nsecs_to_jiffies64(n
) + 1);
3688 static inline unsigned long
3689 timespec_to_jiffies_timeout(const struct timespec
*value
)
3691 unsigned long j
= timespec_to_jiffies(value
);
3693 return min_t(unsigned long, MAX_JIFFY_OFFSET
, j
+ 1);
3697 * If you need to wait X milliseconds between events A and B, but event B
3698 * doesn't happen exactly after event A, you record the timestamp (jiffies) of
3699 * when event A happened, then just before event B you call this function and
3700 * pass the timestamp as the first argument, and X as the second argument.
3703 wait_remaining_ms_from_jiffies(unsigned long timestamp_jiffies
, int to_wait_ms
)
3705 unsigned long target_jiffies
, tmp_jiffies
, remaining_jiffies
;
3708 * Don't re-read the value of "jiffies" every time since it may change
3709 * behind our back and break the math.
3711 tmp_jiffies
= jiffies
;
3712 target_jiffies
= timestamp_jiffies
+
3713 msecs_to_jiffies_timeout(to_wait_ms
);
3715 if (time_after(target_jiffies
, tmp_jiffies
)) {
3716 remaining_jiffies
= target_jiffies
- tmp_jiffies
;
3717 while (remaining_jiffies
)
3719 schedule_timeout_uninterruptible(remaining_jiffies
);
3723 static inline void i915_trace_irq_get(struct intel_engine_cs
*engine
,
3724 struct drm_i915_gem_request
*req
)
3726 if (engine
->trace_irq_req
== NULL
&& engine
->irq_get(engine
))
3727 i915_gem_request_assign(&engine
->trace_irq_req
, req
);