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>
37 #include "intel_bios.h"
38 #include "intel_ringbuffer.h"
39 #include "intel_lrc.h"
40 #include "i915_gem_gtt.h"
41 #include "i915_gem_render_state.h"
42 #include <linux/io-mapping.h>
43 #include <linux/i2c.h>
44 #include <linux/i2c-algo-bit.h>
45 #include <drm/intel-gtt.h>
46 #include <drm/drm_legacy.h> /* for struct drm_dma_handle */
47 #include <drm/drm_gem.h>
48 #include <linux/backlight.h>
49 #include <linux/hashtable.h>
50 #include <linux/intel-iommu.h>
51 #include <linux/kref.h>
52 #include <linux/pm_qos.h>
54 /* General customization:
57 #define DRIVER_NAME "i915"
58 #define DRIVER_DESC "Intel Graphics"
59 #define DRIVER_DATE "20150214"
62 /* Many gcc seem to no see through this and fall over :( */
64 #define WARN_ON(x) ({ \
65 bool __i915_warn_cond = (x); \
66 if (__builtin_constant_p(__i915_warn_cond)) \
67 BUILD_BUG_ON(__i915_warn_cond); \
68 WARN(__i915_warn_cond, "WARN_ON(" #x ")"); })
70 #define WARN_ON(x) WARN((x), "WARN_ON(" #x ")")
73 #define MISSING_CASE(x) WARN(1, "Missing switch case (%lu) in %s\n", \
74 (long) (x), __func__);
76 /* Use I915_STATE_WARN(x) and I915_STATE_WARN_ON() (rather than WARN() and
77 * WARN_ON()) for hw state sanity checks to check for unexpected conditions
78 * which may not necessarily be a user visible problem. This will either
79 * WARN() or DRM_ERROR() depending on the verbose_checks moduleparam, to
80 * enable distros and users to tailor their preferred amount of i915 abrt
83 #define I915_STATE_WARN(condition, format...) ({ \
84 int __ret_warn_on = !!(condition); \
85 if (unlikely(__ret_warn_on)) { \
86 if (i915.verbose_state_checks) \
91 unlikely(__ret_warn_on); \
94 #define I915_STATE_WARN_ON(condition) ({ \
95 int __ret_warn_on = !!(condition); \
96 if (unlikely(__ret_warn_on)) { \
97 if (i915.verbose_state_checks) \
98 WARN(1, "WARN_ON(" #condition ")\n"); \
100 DRM_ERROR("WARN_ON(" #condition ")\n"); \
102 unlikely(__ret_warn_on); \
111 I915_MAX_PIPES
= _PIPE_EDP
113 #define pipe_name(p) ((p) + 'A')
122 #define transcoder_name(t) ((t) + 'A')
125 * This is the maximum (across all platforms) number of planes (primary +
126 * sprites) that can be active at the same time on one pipe.
128 * This value doesn't count the cursor plane.
130 #define I915_MAX_PLANES 3
137 #define plane_name(p) ((p) + 'A')
139 #define sprite_name(p, s) ((p) * INTEL_INFO(dev)->num_sprites[(p)] + (s) + 'A')
149 #define port_name(p) ((p) + 'A')
151 #define I915_NUM_PHYS_VLV 2
163 enum intel_display_power_domain
{
167 POWER_DOMAIN_PIPE_A_PANEL_FITTER
,
168 POWER_DOMAIN_PIPE_B_PANEL_FITTER
,
169 POWER_DOMAIN_PIPE_C_PANEL_FITTER
,
170 POWER_DOMAIN_TRANSCODER_A
,
171 POWER_DOMAIN_TRANSCODER_B
,
172 POWER_DOMAIN_TRANSCODER_C
,
173 POWER_DOMAIN_TRANSCODER_EDP
,
174 POWER_DOMAIN_PORT_DDI_A_2_LANES
,
175 POWER_DOMAIN_PORT_DDI_A_4_LANES
,
176 POWER_DOMAIN_PORT_DDI_B_2_LANES
,
177 POWER_DOMAIN_PORT_DDI_B_4_LANES
,
178 POWER_DOMAIN_PORT_DDI_C_2_LANES
,
179 POWER_DOMAIN_PORT_DDI_C_4_LANES
,
180 POWER_DOMAIN_PORT_DDI_D_2_LANES
,
181 POWER_DOMAIN_PORT_DDI_D_4_LANES
,
182 POWER_DOMAIN_PORT_DSI
,
183 POWER_DOMAIN_PORT_CRT
,
184 POWER_DOMAIN_PORT_OTHER
,
197 #define POWER_DOMAIN_PIPE(pipe) ((pipe) + POWER_DOMAIN_PIPE_A)
198 #define POWER_DOMAIN_PIPE_PANEL_FITTER(pipe) \
199 ((pipe) + POWER_DOMAIN_PIPE_A_PANEL_FITTER)
200 #define POWER_DOMAIN_TRANSCODER(tran) \
201 ((tran) == TRANSCODER_EDP ? POWER_DOMAIN_TRANSCODER_EDP : \
202 (tran) + POWER_DOMAIN_TRANSCODER_A)
206 HPD_PORT_A
= HPD_NONE
, /* PORT_A is internal */
207 HPD_TV
= HPD_NONE
, /* TV is known to be unreliable */
217 #define I915_GEM_GPU_DOMAINS \
218 (I915_GEM_DOMAIN_RENDER | \
219 I915_GEM_DOMAIN_SAMPLER | \
220 I915_GEM_DOMAIN_COMMAND | \
221 I915_GEM_DOMAIN_INSTRUCTION | \
222 I915_GEM_DOMAIN_VERTEX)
224 #define for_each_pipe(__dev_priv, __p) \
225 for ((__p) = 0; (__p) < INTEL_INFO(__dev_priv)->num_pipes; (__p)++)
226 #define for_each_plane(pipe, p) \
227 for ((p) = 0; (p) < INTEL_INFO(dev)->num_sprites[(pipe)] + 1; (p)++)
228 #define for_each_sprite(p, s) for ((s) = 0; (s) < INTEL_INFO(dev)->num_sprites[(p)]; (s)++)
230 #define for_each_crtc(dev, crtc) \
231 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
233 #define for_each_intel_crtc(dev, intel_crtc) \
234 list_for_each_entry(intel_crtc, &dev->mode_config.crtc_list, base.head)
236 #define for_each_intel_encoder(dev, intel_encoder) \
237 list_for_each_entry(intel_encoder, \
238 &(dev)->mode_config.encoder_list, \
241 #define for_each_encoder_on_crtc(dev, __crtc, intel_encoder) \
242 list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \
243 if ((intel_encoder)->base.crtc == (__crtc))
245 #define for_each_connector_on_encoder(dev, __encoder, intel_connector) \
246 list_for_each_entry((intel_connector), &(dev)->mode_config.connector_list, base.head) \
247 if ((intel_connector)->base.encoder == (__encoder))
249 #define for_each_power_domain(domain, mask) \
250 for ((domain) = 0; (domain) < POWER_DOMAIN_NUM; (domain)++) \
251 if ((1 << (domain)) & (mask))
253 struct drm_i915_private
;
254 struct i915_mm_struct
;
255 struct i915_mmu_object
;
258 DPLL_ID_PRIVATE
= -1, /* non-shared dpll in use */
259 /* real shared dpll ids must be >= 0 */
260 DPLL_ID_PCH_PLL_A
= 0,
261 DPLL_ID_PCH_PLL_B
= 1,
266 DPLL_ID_SKL_DPLL1
= 0,
267 DPLL_ID_SKL_DPLL2
= 1,
268 DPLL_ID_SKL_DPLL3
= 2,
270 #define I915_NUM_PLLS 3
272 struct intel_dpll_hw_state
{
284 * DPLL_CTRL1 has 6 bits for each each this DPLL. We store those in
285 * lower part of crtl1 and they get shifted into position when writing
286 * the register. This allows us to easily compare the state to share
290 /* HDMI only, 0 when used for DP */
291 uint32_t cfgcr1
, cfgcr2
;
294 struct intel_shared_dpll_config
{
295 unsigned crtc_mask
; /* mask of CRTCs sharing this PLL */
296 struct intel_dpll_hw_state hw_state
;
299 struct intel_shared_dpll
{
300 struct intel_shared_dpll_config config
;
301 struct intel_shared_dpll_config
*new_config
;
303 int active
; /* count of number of active CRTCs (i.e. DPMS on) */
304 bool on
; /* is the PLL actually active? Disabled during modeset */
306 /* should match the index in the dev_priv->shared_dplls array */
307 enum intel_dpll_id id
;
308 /* The mode_set hook is optional and should be used together with the
309 * intel_prepare_shared_dpll function. */
310 void (*mode_set
)(struct drm_i915_private
*dev_priv
,
311 struct intel_shared_dpll
*pll
);
312 void (*enable
)(struct drm_i915_private
*dev_priv
,
313 struct intel_shared_dpll
*pll
);
314 void (*disable
)(struct drm_i915_private
*dev_priv
,
315 struct intel_shared_dpll
*pll
);
316 bool (*get_hw_state
)(struct drm_i915_private
*dev_priv
,
317 struct intel_shared_dpll
*pll
,
318 struct intel_dpll_hw_state
*hw_state
);
326 /* Used by dp and fdi links */
327 struct intel_link_m_n
{
335 void intel_link_compute_m_n(int bpp
, int nlanes
,
336 int pixel_clock
, int link_clock
,
337 struct intel_link_m_n
*m_n
);
339 /* Interface history:
342 * 1.2: Add Power Management
343 * 1.3: Add vblank support
344 * 1.4: Fix cmdbuffer path, add heap destroy
345 * 1.5: Add vblank pipe configuration
346 * 1.6: - New ioctl for scheduling buffer swaps on vertical blank
347 * - Support vertical blank on secondary display pipe
349 #define DRIVER_MAJOR 1
350 #define DRIVER_MINOR 6
351 #define DRIVER_PATCHLEVEL 0
353 #define WATCH_LISTS 0
355 struct opregion_header
;
356 struct opregion_acpi
;
357 struct opregion_swsci
;
358 struct opregion_asle
;
360 struct intel_opregion
{
361 struct opregion_header __iomem
*header
;
362 struct opregion_acpi __iomem
*acpi
;
363 struct opregion_swsci __iomem
*swsci
;
364 u32 swsci_gbda_sub_functions
;
365 u32 swsci_sbcb_sub_functions
;
366 struct opregion_asle __iomem
*asle
;
368 u32 __iomem
*lid_state
;
369 struct work_struct asle_work
;
371 #define OPREGION_SIZE (8*1024)
373 struct intel_overlay
;
374 struct intel_overlay_error_state
;
376 #define I915_FENCE_REG_NONE -1
377 #define I915_MAX_NUM_FENCES 32
378 /* 32 fences + sign bit for FENCE_REG_NONE */
379 #define I915_MAX_NUM_FENCE_BITS 6
381 struct drm_i915_fence_reg
{
382 struct list_head lru_list
;
383 struct drm_i915_gem_object
*obj
;
387 struct sdvo_device_mapping
{
396 struct intel_display_error_state
;
398 struct drm_i915_error_state
{
406 /* Generic register state */
414 u32 error
; /* gen6+ */
415 u32 err_int
; /* gen7 */
421 u32 extra_instdone
[I915_NUM_INSTDONE_REG
];
422 u64 fence
[I915_MAX_NUM_FENCES
];
423 struct intel_overlay_error_state
*overlay
;
424 struct intel_display_error_state
*display
;
425 struct drm_i915_error_object
*semaphore_obj
;
427 struct drm_i915_error_ring
{
429 /* Software tracked state */
432 enum intel_ring_hangcheck_action hangcheck_action
;
435 /* our own tracking of ring head and tail */
439 u32 semaphore_seqno
[I915_NUM_RINGS
- 1];
457 u32 rc_psmi
; /* sleep state */
458 u32 semaphore_mboxes
[I915_NUM_RINGS
- 1];
460 struct drm_i915_error_object
{
464 } *ringbuffer
, *batchbuffer
, *wa_batchbuffer
, *ctx
, *hws_page
;
466 struct drm_i915_error_request
{
481 char comm
[TASK_COMM_LEN
];
482 } ring
[I915_NUM_RINGS
];
484 struct drm_i915_error_buffer
{
491 s32 fence_reg
:I915_MAX_NUM_FENCE_BITS
;
499 } **active_bo
, **pinned_bo
;
501 u32
*active_bo_count
, *pinned_bo_count
;
505 struct intel_connector
;
506 struct intel_encoder
;
507 struct intel_crtc_state
;
508 struct intel_initial_plane_config
;
513 struct drm_i915_display_funcs
{
514 bool (*fbc_enabled
)(struct drm_device
*dev
);
515 void (*enable_fbc
)(struct drm_crtc
*crtc
);
516 void (*disable_fbc
)(struct drm_device
*dev
);
517 int (*get_display_clock_speed
)(struct drm_device
*dev
);
518 int (*get_fifo_size
)(struct drm_device
*dev
, int plane
);
520 * find_dpll() - Find the best values for the PLL
521 * @limit: limits for the PLL
522 * @crtc: current CRTC
523 * @target: target frequency in kHz
524 * @refclk: reference clock frequency in kHz
525 * @match_clock: if provided, @best_clock P divider must
526 * match the P divider from @match_clock
527 * used for LVDS downclocking
528 * @best_clock: best PLL values found
530 * Returns true on success, false on failure.
532 bool (*find_dpll
)(const struct intel_limit
*limit
,
533 struct intel_crtc
*crtc
,
534 int target
, int refclk
,
535 struct dpll
*match_clock
,
536 struct dpll
*best_clock
);
537 void (*update_wm
)(struct drm_crtc
*crtc
);
538 void (*update_sprite_wm
)(struct drm_plane
*plane
,
539 struct drm_crtc
*crtc
,
540 uint32_t sprite_width
, uint32_t sprite_height
,
541 int pixel_size
, bool enable
, bool scaled
);
542 void (*modeset_global_resources
)(struct drm_device
*dev
);
543 /* Returns the active state of the crtc, and if the crtc is active,
544 * fills out the pipe-config with the hw state. */
545 bool (*get_pipe_config
)(struct intel_crtc
*,
546 struct intel_crtc_state
*);
547 void (*get_initial_plane_config
)(struct intel_crtc
*,
548 struct intel_initial_plane_config
*);
549 int (*crtc_compute_clock
)(struct intel_crtc
*crtc
,
550 struct intel_crtc_state
*crtc_state
);
551 void (*crtc_enable
)(struct drm_crtc
*crtc
);
552 void (*crtc_disable
)(struct drm_crtc
*crtc
);
553 void (*off
)(struct drm_crtc
*crtc
);
554 void (*audio_codec_enable
)(struct drm_connector
*connector
,
555 struct intel_encoder
*encoder
,
556 struct drm_display_mode
*mode
);
557 void (*audio_codec_disable
)(struct intel_encoder
*encoder
);
558 void (*fdi_link_train
)(struct drm_crtc
*crtc
);
559 void (*init_clock_gating
)(struct drm_device
*dev
);
560 int (*queue_flip
)(struct drm_device
*dev
, struct drm_crtc
*crtc
,
561 struct drm_framebuffer
*fb
,
562 struct drm_i915_gem_object
*obj
,
563 struct intel_engine_cs
*ring
,
565 void (*update_primary_plane
)(struct drm_crtc
*crtc
,
566 struct drm_framebuffer
*fb
,
568 void (*hpd_irq_setup
)(struct drm_device
*dev
);
569 /* clock updates for mode set */
571 /* render clock increase/decrease */
572 /* display clock increase/decrease */
573 /* pll clock increase/decrease */
575 int (*setup_backlight
)(struct intel_connector
*connector
, enum pipe pipe
);
576 uint32_t (*get_backlight
)(struct intel_connector
*connector
);
577 void (*set_backlight
)(struct intel_connector
*connector
,
579 void (*disable_backlight
)(struct intel_connector
*connector
);
580 void (*enable_backlight
)(struct intel_connector
*connector
);
583 enum forcewake_domain_id
{
584 FW_DOMAIN_ID_RENDER
= 0,
585 FW_DOMAIN_ID_BLITTER
,
591 enum forcewake_domains
{
592 FORCEWAKE_RENDER
= (1 << FW_DOMAIN_ID_RENDER
),
593 FORCEWAKE_BLITTER
= (1 << FW_DOMAIN_ID_BLITTER
),
594 FORCEWAKE_MEDIA
= (1 << FW_DOMAIN_ID_MEDIA
),
595 FORCEWAKE_ALL
= (FORCEWAKE_RENDER
|
600 struct intel_uncore_funcs
{
601 void (*force_wake_get
)(struct drm_i915_private
*dev_priv
,
602 enum forcewake_domains domains
);
603 void (*force_wake_put
)(struct drm_i915_private
*dev_priv
,
604 enum forcewake_domains domains
);
606 uint8_t (*mmio_readb
)(struct drm_i915_private
*dev_priv
, off_t offset
, bool trace
);
607 uint16_t (*mmio_readw
)(struct drm_i915_private
*dev_priv
, off_t offset
, bool trace
);
608 uint32_t (*mmio_readl
)(struct drm_i915_private
*dev_priv
, off_t offset
, bool trace
);
609 uint64_t (*mmio_readq
)(struct drm_i915_private
*dev_priv
, off_t offset
, bool trace
);
611 void (*mmio_writeb
)(struct drm_i915_private
*dev_priv
, off_t offset
,
612 uint8_t val
, bool trace
);
613 void (*mmio_writew
)(struct drm_i915_private
*dev_priv
, off_t offset
,
614 uint16_t val
, bool trace
);
615 void (*mmio_writel
)(struct drm_i915_private
*dev_priv
, off_t offset
,
616 uint32_t val
, bool trace
);
617 void (*mmio_writeq
)(struct drm_i915_private
*dev_priv
, off_t offset
,
618 uint64_t val
, bool trace
);
621 struct intel_uncore
{
622 spinlock_t lock
; /** lock is also taken in irq contexts. */
624 struct intel_uncore_funcs funcs
;
627 enum forcewake_domains fw_domains
;
629 struct intel_uncore_forcewake_domain
{
630 struct drm_i915_private
*i915
;
631 enum forcewake_domain_id id
;
633 struct timer_list timer
;
640 } fw_domain
[FW_DOMAIN_ID_COUNT
];
643 /* Iterate over initialised fw domains */
644 #define for_each_fw_domain_mask(domain__, mask__, dev_priv__, i__) \
645 for ((i__) = 0, (domain__) = &(dev_priv__)->uncore.fw_domain[0]; \
646 (i__) < FW_DOMAIN_ID_COUNT; \
647 (i__)++, (domain__) = &(dev_priv__)->uncore.fw_domain[i__]) \
648 if (((mask__) & (dev_priv__)->uncore.fw_domains) & (1 << (i__)))
650 #define for_each_fw_domain(domain__, dev_priv__, i__) \
651 for_each_fw_domain_mask(domain__, FORCEWAKE_ALL, dev_priv__, i__)
653 #define DEV_INFO_FOR_EACH_FLAG(func, sep) \
654 func(is_mobile) sep \
657 func(is_i945gm) sep \
659 func(need_gfx_hws) sep \
661 func(is_pineview) sep \
662 func(is_broadwater) sep \
663 func(is_crestline) sep \
664 func(is_ivybridge) sep \
665 func(is_valleyview) sep \
666 func(is_haswell) sep \
667 func(is_skylake) sep \
668 func(is_preliminary) sep \
670 func(has_pipe_cxsr) sep \
671 func(has_hotplug) sep \
672 func(cursor_needs_physical) sep \
673 func(has_overlay) sep \
674 func(overlay_needs_physical) sep \
675 func(supports_tv) sep \
680 #define DEFINE_FLAG(name) u8 name:1
681 #define SEP_SEMICOLON ;
683 struct intel_device_info
{
684 u32 display_mmio_offset
;
687 u8 num_sprites
[I915_MAX_PIPES
];
689 u8 ring_mask
; /* Rings supported by the HW */
690 DEV_INFO_FOR_EACH_FLAG(DEFINE_FLAG
, SEP_SEMICOLON
);
691 /* Register offsets for the various display pipes and transcoders */
692 int pipe_offsets
[I915_MAX_TRANSCODERS
];
693 int trans_offsets
[I915_MAX_TRANSCODERS
];
694 int palette_offsets
[I915_MAX_PIPES
];
695 int cursor_offsets
[I915_MAX_PIPES
];
696 unsigned int eu_total
;
702 enum i915_cache_level
{
704 I915_CACHE_LLC
, /* also used for snoopable memory on non-LLC */
705 I915_CACHE_L3_LLC
, /* gen7+, L3 sits between the domain specifc
706 caches, eg sampler/render caches, and the
707 large Last-Level-Cache. LLC is coherent with
708 the CPU, but L3 is only visible to the GPU. */
709 I915_CACHE_WT
, /* hsw:gt3e WriteThrough for scanouts */
712 struct i915_ctx_hang_stats
{
713 /* This context had batch pending when hang was declared */
714 unsigned batch_pending
;
716 /* This context had batch active when hang was declared */
717 unsigned batch_active
;
719 /* Time when this context was last blamed for a GPU reset */
720 unsigned long guilty_ts
;
722 /* If the contexts causes a second GPU hang within this time,
723 * it is permanently banned from submitting any more work.
725 unsigned long ban_period_seconds
;
727 /* This context is banned to submit more work */
731 /* This must match up with the value previously used for execbuf2.rsvd1. */
732 #define DEFAULT_CONTEXT_HANDLE 0
734 * struct intel_context - as the name implies, represents a context.
735 * @ref: reference count.
736 * @user_handle: userspace tracking identity for this context.
737 * @remap_slice: l3 row remapping information.
738 * @file_priv: filp associated with this context (NULL for global default
740 * @hang_stats: information about the role of this context in possible GPU
742 * @vm: virtual memory space used by this context.
743 * @legacy_hw_ctx: render context backing object and whether it is correctly
744 * initialized (legacy ring submission mechanism only).
745 * @link: link in the global list of contexts.
747 * Contexts are memory images used by the hardware to store copies of their
750 struct intel_context
{
754 struct drm_i915_file_private
*file_priv
;
755 struct i915_ctx_hang_stats hang_stats
;
756 struct i915_hw_ppgtt
*ppgtt
;
758 /* Legacy ring buffer submission */
760 struct drm_i915_gem_object
*rcs_state
;
765 bool rcs_initialized
;
767 struct drm_i915_gem_object
*state
;
768 struct intel_ringbuffer
*ringbuf
;
770 } engine
[I915_NUM_RINGS
];
772 struct list_head link
;
776 unsigned long uncompressed_size
;
779 struct intel_crtc
*crtc
;
782 struct drm_mm_node compressed_fb
;
783 struct drm_mm_node
*compressed_llb
;
787 /* Tracks whether the HW is actually enabled, not whether the feature is
791 /* On gen8 some rings cannont perform fbc clean operation so for now
792 * we are doing this on SW with mmio.
793 * This variable works in the opposite information direction
794 * of ring->fbc_dirty telling software on frontbuffer tracking
795 * to perform the cache clean on sw side.
797 bool need_sw_cache_clean
;
799 struct intel_fbc_work
{
800 struct delayed_work work
;
801 struct drm_crtc
*crtc
;
802 struct drm_framebuffer
*fb
;
806 FBC_OK
, /* FBC is enabled */
807 FBC_UNSUPPORTED
, /* FBC is not supported by this chipset */
808 FBC_NO_OUTPUT
, /* no outputs enabled to compress */
809 FBC_STOLEN_TOO_SMALL
, /* not enough space for buffers */
810 FBC_UNSUPPORTED_MODE
, /* interlace or doublescanned mode */
811 FBC_MODE_TOO_LARGE
, /* mode too large for compression */
812 FBC_BAD_PLANE
, /* fbc not supported on plane */
813 FBC_NOT_TILED
, /* buffer not tiled */
814 FBC_MULTIPLE_PIPES
, /* more than one pipe active */
816 FBC_CHIP_DEFAULT
, /* disabled by default on this chip */
821 * HIGH_RR is the highest eDP panel refresh rate read from EDID
822 * LOW_RR is the lowest eDP panel refresh rate found from EDID
823 * parsing for same resolution.
825 enum drrs_refresh_rate_type
{
828 DRRS_MAX_RR
, /* RR count */
831 enum drrs_support_type
{
832 DRRS_NOT_SUPPORTED
= 0,
833 STATIC_DRRS_SUPPORT
= 1,
834 SEAMLESS_DRRS_SUPPORT
= 2
840 struct delayed_work work
;
842 unsigned busy_frontbuffer_bits
;
843 enum drrs_refresh_rate_type refresh_rate_type
;
844 enum drrs_support_type type
;
851 struct intel_dp
*enabled
;
853 struct delayed_work work
;
854 unsigned busy_frontbuffer_bits
;
859 PCH_NONE
= 0, /* No PCH present */
860 PCH_IBX
, /* Ibexpeak PCH */
861 PCH_CPT
, /* Cougarpoint PCH */
862 PCH_LPT
, /* Lynxpoint PCH */
863 PCH_SPT
, /* Sunrisepoint PCH */
867 enum intel_sbi_destination
{
872 #define QUIRK_PIPEA_FORCE (1<<0)
873 #define QUIRK_LVDS_SSC_DISABLE (1<<1)
874 #define QUIRK_INVERT_BRIGHTNESS (1<<2)
875 #define QUIRK_BACKLIGHT_PRESENT (1<<3)
876 #define QUIRK_PIPEB_FORCE (1<<4)
877 #define QUIRK_PIN_SWIZZLED_PAGES (1<<5)
880 struct intel_fbc_work
;
883 struct i2c_adapter adapter
;
887 struct i2c_algo_bit_data bit_algo
;
888 struct drm_i915_private
*dev_priv
;
891 struct i915_suspend_saved_registers
{
912 u32 saveTRANS_HTOTAL_A
;
913 u32 saveTRANS_HBLANK_A
;
914 u32 saveTRANS_HSYNC_A
;
915 u32 saveTRANS_VTOTAL_A
;
916 u32 saveTRANS_VBLANK_A
;
917 u32 saveTRANS_VSYNC_A
;
925 u32 savePFIT_PGM_RATIOS
;
926 u32 saveBLC_HIST_CTL
;
928 u32 saveBLC_PWM_CTL2
;
929 u32 saveBLC_CPU_PWM_CTL
;
930 u32 saveBLC_CPU_PWM_CTL2
;
943 u32 saveTRANS_HTOTAL_B
;
944 u32 saveTRANS_HBLANK_B
;
945 u32 saveTRANS_HSYNC_B
;
946 u32 saveTRANS_VTOTAL_B
;
947 u32 saveTRANS_VBLANK_B
;
948 u32 saveTRANS_VSYNC_B
;
962 u32 savePP_ON_DELAYS
;
963 u32 savePP_OFF_DELAYS
;
971 u32 savePFIT_CONTROL
;
972 u32 save_palette_a
[256];
973 u32 save_palette_b
[256];
984 u32 saveCACHE_MODE_0
;
985 u32 saveMI_ARB_STATE
;
996 uint64_t saveFENCE
[I915_MAX_NUM_FENCES
];
1007 u32 savePIPEA_GMCH_DATA_M
;
1008 u32 savePIPEB_GMCH_DATA_M
;
1009 u32 savePIPEA_GMCH_DATA_N
;
1010 u32 savePIPEB_GMCH_DATA_N
;
1011 u32 savePIPEA_DP_LINK_M
;
1012 u32 savePIPEB_DP_LINK_M
;
1013 u32 savePIPEA_DP_LINK_N
;
1014 u32 savePIPEB_DP_LINK_N
;
1015 u32 saveFDI_RXA_CTL
;
1016 u32 saveFDI_TXA_CTL
;
1017 u32 saveFDI_RXB_CTL
;
1018 u32 saveFDI_TXB_CTL
;
1023 u32 savePFA_WIN_POS
;
1024 u32 savePFB_WIN_POS
;
1025 u32 savePCH_DREF_CONTROL
;
1026 u32 saveDISP_ARB_CTL
;
1027 u32 savePIPEA_DATA_M1
;
1028 u32 savePIPEA_DATA_N1
;
1029 u32 savePIPEA_LINK_M1
;
1030 u32 savePIPEA_LINK_N1
;
1031 u32 savePIPEB_DATA_M1
;
1032 u32 savePIPEB_DATA_N1
;
1033 u32 savePIPEB_LINK_M1
;
1034 u32 savePIPEB_LINK_N1
;
1035 u32 saveMCHBAR_RENDER_STANDBY
;
1036 u32 savePCH_PORT_HOTPLUG
;
1040 struct vlv_s0ix_state
{
1047 u32 lra_limits
[GEN7_LRA_LIMITS_REG_NUM
];
1048 u32 media_max_req_count
;
1049 u32 gfx_max_req_count
;
1075 u32 rp_down_timeout
;
1081 /* Display 1 CZ domain */
1086 u32 gt_scratch
[GEN7_GT_SCRATCH_REG_NUM
];
1088 /* GT SA CZ domain */
1095 /* Display 2 CZ domain */
1098 u32 clock_gate_dis2
;
1101 struct intel_rps_ei
{
1107 struct intel_gen6_power_mgmt
{
1109 * work, interrupts_enabled and pm_iir are protected by
1110 * dev_priv->irq_lock
1112 struct work_struct work
;
1113 bool interrupts_enabled
;
1116 /* Frequencies are stored in potentially platform dependent multiples.
1117 * In other words, *_freq needs to be multiplied by X to be interesting.
1118 * Soft limits are those which are used for the dynamic reclocking done
1119 * by the driver (raise frequencies under heavy loads, and lower for
1120 * lighter loads). Hard limits are those imposed by the hardware.
1122 * A distinction is made for overclocking, which is never enabled by
1123 * default, and is considered to be above the hard limit if it's
1126 u8 cur_freq
; /* Current frequency (cached, may not == HW) */
1127 u8 min_freq_softlimit
; /* Minimum frequency permitted by the driver */
1128 u8 max_freq_softlimit
; /* Max frequency permitted by the driver */
1129 u8 max_freq
; /* Maximum frequency, RP0 if not overclocking */
1130 u8 min_freq
; /* AKA RPn. Minimum frequency */
1131 u8 efficient_freq
; /* AKA RPe. Pre-determined balanced frequency */
1132 u8 rp1_freq
; /* "less than" RP0 power/freqency */
1133 u8 rp0_freq
; /* Non-overclocked max frequency. */
1136 u32 ei_interrupt_count
;
1139 enum { LOW_POWER
, BETWEEN
, HIGH_POWER
} power
;
1142 struct delayed_work delayed_resume_work
;
1144 /* manual wa residency calculations */
1145 struct intel_rps_ei up_ei
, down_ei
;
1148 * Protects RPS/RC6 register access and PCU communication.
1149 * Must be taken after struct_mutex if nested.
1151 struct mutex hw_lock
;
1154 /* defined intel_pm.c */
1155 extern spinlock_t mchdev_lock
;
1157 struct intel_ilk_power_mgmt
{
1165 unsigned long last_time1
;
1166 unsigned long chipset_power
;
1169 unsigned long gfx_power
;
1175 struct drm_i915_gem_object
*pwrctx
;
1176 struct drm_i915_gem_object
*renderctx
;
1179 struct drm_i915_private
;
1180 struct i915_power_well
;
1182 struct i915_power_well_ops
{
1184 * Synchronize the well's hw state to match the current sw state, for
1185 * example enable/disable it based on the current refcount. Called
1186 * during driver init and resume time, possibly after first calling
1187 * the enable/disable handlers.
1189 void (*sync_hw
)(struct drm_i915_private
*dev_priv
,
1190 struct i915_power_well
*power_well
);
1192 * Enable the well and resources that depend on it (for example
1193 * interrupts located on the well). Called after the 0->1 refcount
1196 void (*enable
)(struct drm_i915_private
*dev_priv
,
1197 struct i915_power_well
*power_well
);
1199 * Disable the well and resources that depend on it. Called after
1200 * the 1->0 refcount transition.
1202 void (*disable
)(struct drm_i915_private
*dev_priv
,
1203 struct i915_power_well
*power_well
);
1204 /* Returns the hw enabled state. */
1205 bool (*is_enabled
)(struct drm_i915_private
*dev_priv
,
1206 struct i915_power_well
*power_well
);
1209 /* Power well structure for haswell */
1210 struct i915_power_well
{
1213 /* power well enable/disable usage count */
1215 /* cached hw enabled state */
1217 unsigned long domains
;
1219 const struct i915_power_well_ops
*ops
;
1222 struct i915_power_domains
{
1224 * Power wells needed for initialization at driver init and suspend
1225 * time are on. They are kept on until after the first modeset.
1229 int power_well_count
;
1232 int domain_use_count
[POWER_DOMAIN_NUM
];
1233 struct i915_power_well
*power_wells
;
1236 #define MAX_L3_SLICES 2
1237 struct intel_l3_parity
{
1238 u32
*remap_info
[MAX_L3_SLICES
];
1239 struct work_struct error_work
;
1243 struct i915_gem_batch_pool
{
1244 struct drm_device
*dev
;
1245 struct list_head cache_list
;
1248 struct i915_gem_mm
{
1249 /** Memory allocator for GTT stolen memory */
1250 struct drm_mm stolen
;
1251 /** List of all objects in gtt_space. Used to restore gtt
1252 * mappings on resume */
1253 struct list_head bound_list
;
1255 * List of objects which are not bound to the GTT (thus
1256 * are idle and not used by the GPU) but still have
1257 * (presumably uncached) pages still attached.
1259 struct list_head unbound_list
;
1262 * A pool of objects to use as shadow copies of client batch buffers
1263 * when the command parser is enabled. Prevents the client from
1264 * modifying the batch contents after software parsing.
1266 struct i915_gem_batch_pool batch_pool
;
1268 /** Usable portion of the GTT for GEM */
1269 unsigned long stolen_base
; /* limited to low memory (32-bit) */
1271 /** PPGTT used for aliasing the PPGTT with the GTT */
1272 struct i915_hw_ppgtt
*aliasing_ppgtt
;
1274 struct notifier_block oom_notifier
;
1275 struct shrinker shrinker
;
1276 bool shrinker_no_lock_stealing
;
1278 /** LRU list of objects with fence regs on them. */
1279 struct list_head fence_list
;
1282 * We leave the user IRQ off as much as possible,
1283 * but this means that requests will finish and never
1284 * be retired once the system goes idle. Set a timer to
1285 * fire periodically while the ring is running. When it
1286 * fires, go retire requests.
1288 struct delayed_work retire_work
;
1291 * When we detect an idle GPU, we want to turn on
1292 * powersaving features. So once we see that there
1293 * are no more requests outstanding and no more
1294 * arrive within a small period of time, we fire
1295 * off the idle_work.
1297 struct delayed_work idle_work
;
1300 * Are we in a non-interruptible section of code like
1306 * Is the GPU currently considered idle, or busy executing userspace
1307 * requests? Whilst idle, we attempt to power down the hardware and
1308 * display clocks. In order to reduce the effect on performance, there
1309 * is a slight delay before we do so.
1313 /* the indicator for dispatch video commands on two BSD rings */
1314 int bsd_ring_dispatch_index
;
1316 /** Bit 6 swizzling required for X tiling */
1317 uint32_t bit_6_swizzle_x
;
1318 /** Bit 6 swizzling required for Y tiling */
1319 uint32_t bit_6_swizzle_y
;
1321 /* accounting, useful for userland debugging */
1322 spinlock_t object_stat_lock
;
1323 size_t object_memory
;
1327 struct drm_i915_error_state_buf
{
1328 struct drm_i915_private
*i915
;
1337 struct i915_error_state_file_priv
{
1338 struct drm_device
*dev
;
1339 struct drm_i915_error_state
*error
;
1342 struct i915_gpu_error
{
1343 /* For hangcheck timer */
1344 #define DRM_I915_HANGCHECK_PERIOD 1500 /* in ms */
1345 #define DRM_I915_HANGCHECK_JIFFIES msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD)
1346 /* Hang gpu twice in this window and your context gets banned */
1347 #define DRM_I915_CTX_BAN_PERIOD DIV_ROUND_UP(8*DRM_I915_HANGCHECK_PERIOD, 1000)
1349 struct workqueue_struct
*hangcheck_wq
;
1350 struct delayed_work hangcheck_work
;
1352 /* For reset and error_state handling. */
1354 /* Protected by the above dev->gpu_error.lock. */
1355 struct drm_i915_error_state
*first_error
;
1357 unsigned long missed_irq_rings
;
1360 * State variable controlling the reset flow and count
1362 * This is a counter which gets incremented when reset is triggered,
1363 * and again when reset has been handled. So odd values (lowest bit set)
1364 * means that reset is in progress and even values that
1365 * (reset_counter >> 1):th reset was successfully completed.
1367 * If reset is not completed succesfully, the I915_WEDGE bit is
1368 * set meaning that hardware is terminally sour and there is no
1369 * recovery. All waiters on the reset_queue will be woken when
1372 * This counter is used by the wait_seqno code to notice that reset
1373 * event happened and it needs to restart the entire ioctl (since most
1374 * likely the seqno it waited for won't ever signal anytime soon).
1376 * This is important for lock-free wait paths, where no contended lock
1377 * naturally enforces the correct ordering between the bail-out of the
1378 * waiter and the gpu reset work code.
1380 atomic_t reset_counter
;
1382 #define I915_RESET_IN_PROGRESS_FLAG 1
1383 #define I915_WEDGED (1 << 31)
1386 * Waitqueue to signal when the reset has completed. Used by clients
1387 * that wait for dev_priv->mm.wedged to settle.
1389 wait_queue_head_t reset_queue
;
1391 /* Userspace knobs for gpu hang simulation;
1392 * combines both a ring mask, and extra flags
1395 #define I915_STOP_RING_ALLOW_BAN (1 << 31)
1396 #define I915_STOP_RING_ALLOW_WARN (1 << 30)
1398 /* For missed irq/seqno simulation. */
1399 unsigned int test_irq_rings
;
1401 /* Used to prevent gem_check_wedged returning -EAGAIN during gpu reset */
1402 bool reload_in_reset
;
1405 enum modeset_restore
{
1406 MODESET_ON_LID_OPEN
,
1411 struct ddi_vbt_port_info
{
1413 * This is an index in the HDMI/DVI DDI buffer translation table.
1414 * The special value HDMI_LEVEL_SHIFT_UNKNOWN means the VBT didn't
1415 * populate this field.
1417 #define HDMI_LEVEL_SHIFT_UNKNOWN 0xff
1418 uint8_t hdmi_level_shift
;
1420 uint8_t supports_dvi
:1;
1421 uint8_t supports_hdmi
:1;
1422 uint8_t supports_dp
:1;
1425 enum psr_lines_to_wait
{
1426 PSR_0_LINES_TO_WAIT
= 0,
1428 PSR_4_LINES_TO_WAIT
,
1432 struct intel_vbt_data
{
1433 struct drm_display_mode
*lfp_lvds_vbt_mode
; /* if any */
1434 struct drm_display_mode
*sdvo_lvds_vbt_mode
; /* if any */
1437 unsigned int int_tv_support
:1;
1438 unsigned int lvds_dither
:1;
1439 unsigned int lvds_vbt
:1;
1440 unsigned int int_crt_support
:1;
1441 unsigned int lvds_use_ssc
:1;
1442 unsigned int display_clock_mode
:1;
1443 unsigned int fdi_rx_polarity_inverted
:1;
1444 unsigned int has_mipi
:1;
1446 unsigned int bios_lvds_val
; /* initial [PCH_]LVDS reg val in VBIOS */
1448 enum drrs_support_type drrs_type
;
1453 int edp_preemphasis
;
1455 bool edp_initialized
;
1458 struct edp_power_seq edp_pps
;
1462 bool require_aux_wakeup
;
1464 enum psr_lines_to_wait lines_to_wait
;
1465 int tp1_wakeup_time
;
1466 int tp2_tp3_wakeup_time
;
1472 bool active_low_pwm
;
1473 u8 min_brightness
; /* min_brightness/255 of max */
1480 struct mipi_config
*config
;
1481 struct mipi_pps_data
*pps
;
1485 u8
*sequence
[MIPI_SEQ_MAX
];
1491 union child_device_config
*child_dev
;
1493 struct ddi_vbt_port_info ddi_port_info
[I915_MAX_PORTS
];
1496 enum intel_ddb_partitioning
{
1498 INTEL_DDB_PART_5_6
, /* IVB+ */
1501 struct intel_wm_level
{
1509 struct ilk_wm_values
{
1510 uint32_t wm_pipe
[3];
1512 uint32_t wm_lp_spr
[3];
1513 uint32_t wm_linetime
[3];
1515 enum intel_ddb_partitioning partitioning
;
1518 struct skl_ddb_entry
{
1519 uint16_t start
, end
; /* in number of blocks, 'end' is exclusive */
1522 static inline uint16_t skl_ddb_entry_size(const struct skl_ddb_entry
*entry
)
1524 return entry
->end
- entry
->start
;
1527 static inline bool skl_ddb_entry_equal(const struct skl_ddb_entry
*e1
,
1528 const struct skl_ddb_entry
*e2
)
1530 if (e1
->start
== e2
->start
&& e1
->end
== e2
->end
)
1536 struct skl_ddb_allocation
{
1537 struct skl_ddb_entry pipe
[I915_MAX_PIPES
];
1538 struct skl_ddb_entry plane
[I915_MAX_PIPES
][I915_MAX_PLANES
];
1539 struct skl_ddb_entry cursor
[I915_MAX_PIPES
];
1542 struct skl_wm_values
{
1543 bool dirty
[I915_MAX_PIPES
];
1544 struct skl_ddb_allocation ddb
;
1545 uint32_t wm_linetime
[I915_MAX_PIPES
];
1546 uint32_t plane
[I915_MAX_PIPES
][I915_MAX_PLANES
][8];
1547 uint32_t cursor
[I915_MAX_PIPES
][8];
1548 uint32_t plane_trans
[I915_MAX_PIPES
][I915_MAX_PLANES
];
1549 uint32_t cursor_trans
[I915_MAX_PIPES
];
1552 struct skl_wm_level
{
1553 bool plane_en
[I915_MAX_PLANES
];
1555 uint16_t plane_res_b
[I915_MAX_PLANES
];
1556 uint8_t plane_res_l
[I915_MAX_PLANES
];
1557 uint16_t cursor_res_b
;
1558 uint8_t cursor_res_l
;
1562 * This struct helps tracking the state needed for runtime PM, which puts the
1563 * device in PCI D3 state. Notice that when this happens, nothing on the
1564 * graphics device works, even register access, so we don't get interrupts nor
1567 * Every piece of our code that needs to actually touch the hardware needs to
1568 * either call intel_runtime_pm_get or call intel_display_power_get with the
1569 * appropriate power domain.
1571 * Our driver uses the autosuspend delay feature, which means we'll only really
1572 * suspend if we stay with zero refcount for a certain amount of time. The
1573 * default value is currently very conservative (see intel_runtime_pm_enable), but
1574 * it can be changed with the standard runtime PM files from sysfs.
1576 * The irqs_disabled variable becomes true exactly after we disable the IRQs and
1577 * goes back to false exactly before we reenable the IRQs. We use this variable
1578 * to check if someone is trying to enable/disable IRQs while they're supposed
1579 * to be disabled. This shouldn't happen and we'll print some error messages in
1582 * For more, read the Documentation/power/runtime_pm.txt.
1584 struct i915_runtime_pm
{
1589 enum intel_pipe_crc_source
{
1590 INTEL_PIPE_CRC_SOURCE_NONE
,
1591 INTEL_PIPE_CRC_SOURCE_PLANE1
,
1592 INTEL_PIPE_CRC_SOURCE_PLANE2
,
1593 INTEL_PIPE_CRC_SOURCE_PF
,
1594 INTEL_PIPE_CRC_SOURCE_PIPE
,
1595 /* TV/DP on pre-gen5/vlv can't use the pipe source. */
1596 INTEL_PIPE_CRC_SOURCE_TV
,
1597 INTEL_PIPE_CRC_SOURCE_DP_B
,
1598 INTEL_PIPE_CRC_SOURCE_DP_C
,
1599 INTEL_PIPE_CRC_SOURCE_DP_D
,
1600 INTEL_PIPE_CRC_SOURCE_AUTO
,
1601 INTEL_PIPE_CRC_SOURCE_MAX
,
1604 struct intel_pipe_crc_entry
{
1609 #define INTEL_PIPE_CRC_ENTRIES_NR 128
1610 struct intel_pipe_crc
{
1612 bool opened
; /* exclusive access to the result file */
1613 struct intel_pipe_crc_entry
*entries
;
1614 enum intel_pipe_crc_source source
;
1616 wait_queue_head_t wq
;
1619 struct i915_frontbuffer_tracking
{
1623 * Tracking bits for delayed frontbuffer flushing du to gpu activity or
1630 struct i915_wa_reg
{
1633 /* bitmask representing WA bits */
1637 #define I915_MAX_WA_REGS 16
1639 struct i915_workarounds
{
1640 struct i915_wa_reg reg
[I915_MAX_WA_REGS
];
1644 struct i915_virtual_gpu
{
1648 struct drm_i915_private
{
1649 struct drm_device
*dev
;
1650 struct kmem_cache
*slab
;
1652 const struct intel_device_info info
;
1654 int relative_constants_mode
;
1658 struct intel_uncore uncore
;
1660 struct i915_virtual_gpu vgpu
;
1662 struct intel_gmbus gmbus
[GMBUS_NUM_PORTS
];
1665 /** gmbus_mutex protects against concurrent usage of the single hw gmbus
1666 * controller on different i2c buses. */
1667 struct mutex gmbus_mutex
;
1670 * Base address of the gmbus and gpio block.
1672 uint32_t gpio_mmio_base
;
1674 /* MMIO base address for MIPI regs */
1675 uint32_t mipi_mmio_base
;
1677 wait_queue_head_t gmbus_wait_queue
;
1679 struct pci_dev
*bridge_dev
;
1680 struct intel_engine_cs ring
[I915_NUM_RINGS
];
1681 struct drm_i915_gem_object
*semaphore_obj
;
1682 uint32_t last_seqno
, next_seqno
;
1684 struct drm_dma_handle
*status_page_dmah
;
1685 struct resource mch_res
;
1687 /* protects the irq masks */
1688 spinlock_t irq_lock
;
1690 /* protects the mmio flip data */
1691 spinlock_t mmio_flip_lock
;
1693 bool display_irqs_enabled
;
1695 /* To control wakeup latency, e.g. for irq-driven dp aux transfers. */
1696 struct pm_qos_request pm_qos
;
1698 /* DPIO indirect register protection */
1699 struct mutex dpio_lock
;
1701 /** Cached value of IMR to avoid reads in updating the bitfield */
1704 u32 de_irq_mask
[I915_MAX_PIPES
];
1709 u32 pipestat_irq_mask
[I915_MAX_PIPES
];
1711 struct work_struct hotplug_work
;
1713 unsigned long hpd_last_jiffies
;
1718 HPD_MARK_DISABLED
= 2
1720 } hpd_stats
[HPD_NUM_PINS
];
1722 struct delayed_work hotplug_reenable_work
;
1724 struct i915_fbc fbc
;
1725 struct i915_drrs drrs
;
1726 struct intel_opregion opregion
;
1727 struct intel_vbt_data vbt
;
1729 bool preserve_bios_swizzle
;
1732 struct intel_overlay
*overlay
;
1734 /* backlight registers and fields in struct intel_panel */
1735 struct mutex backlight_lock
;
1738 bool no_aux_handshake
;
1740 /* protects panel power sequencer state */
1741 struct mutex pps_mutex
;
1743 struct drm_i915_fence_reg fence_regs
[I915_MAX_NUM_FENCES
]; /* assume 965 */
1744 int fence_reg_start
; /* 4 if userland hasn't ioctl'd us yet */
1745 int num_fence_regs
; /* 8 on pre-965, 16 otherwise */
1747 unsigned int fsb_freq
, mem_freq
, is_ddr3
;
1748 unsigned int vlv_cdclk_freq
;
1749 unsigned int hpll_freq
;
1752 * wq - Driver workqueue for GEM.
1754 * NOTE: Work items scheduled here are not allowed to grab any modeset
1755 * locks, for otherwise the flushing done in the pageflip code will
1756 * result in deadlocks.
1758 struct workqueue_struct
*wq
;
1760 /* Display functions */
1761 struct drm_i915_display_funcs display
;
1763 /* PCH chipset type */
1764 enum intel_pch pch_type
;
1765 unsigned short pch_id
;
1767 unsigned long quirks
;
1769 enum modeset_restore modeset_restore
;
1770 struct mutex modeset_restore_lock
;
1772 struct list_head vm_list
; /* Global list of all address spaces */
1773 struct i915_gtt gtt
; /* VM representing the global address space */
1775 struct i915_gem_mm mm
;
1776 DECLARE_HASHTABLE(mm_structs
, 7);
1777 struct mutex mm_lock
;
1779 /* Kernel Modesetting */
1781 struct sdvo_device_mapping sdvo_mappings
[2];
1783 struct drm_crtc
*plane_to_crtc_mapping
[I915_MAX_PIPES
];
1784 struct drm_crtc
*pipe_to_crtc_mapping
[I915_MAX_PIPES
];
1785 wait_queue_head_t pending_flip_queue
;
1787 #ifdef CONFIG_DEBUG_FS
1788 struct intel_pipe_crc pipe_crc
[I915_MAX_PIPES
];
1791 int num_shared_dpll
;
1792 struct intel_shared_dpll shared_dplls
[I915_NUM_PLLS
];
1793 int dpio_phy_iosf_port
[I915_NUM_PHYS_VLV
];
1795 struct i915_workarounds workarounds
;
1797 /* Reclocking support */
1798 bool render_reclock_avail
;
1799 bool lvds_downclock_avail
;
1800 /* indicates the reduced downclock for LVDS*/
1803 struct i915_frontbuffer_tracking fb_tracking
;
1807 bool mchbar_need_disable
;
1809 struct intel_l3_parity l3_parity
;
1811 /* Cannot be determined by PCIID. You must always read a register. */
1814 /* gen6+ rps state */
1815 struct intel_gen6_power_mgmt rps
;
1817 /* ilk-only ips/rps state. Everything in here is protected by the global
1818 * mchdev_lock in intel_pm.c */
1819 struct intel_ilk_power_mgmt ips
;
1821 struct i915_power_domains power_domains
;
1823 struct i915_psr psr
;
1825 struct i915_gpu_error gpu_error
;
1827 struct drm_i915_gem_object
*vlv_pctx
;
1829 #ifdef CONFIG_DRM_I915_FBDEV
1830 /* list of fbdev register on this device */
1831 struct intel_fbdev
*fbdev
;
1832 struct work_struct fbdev_suspend_work
;
1835 struct drm_property
*broadcast_rgb_property
;
1836 struct drm_property
*force_audio_property
;
1838 /* hda/i915 audio component */
1839 bool audio_component_registered
;
1841 uint32_t hw_context_size
;
1842 struct list_head context_list
;
1847 struct i915_suspend_saved_registers regfile
;
1848 struct vlv_s0ix_state vlv_s0ix_state
;
1852 * Raw watermark latency values:
1853 * in 0.1us units for WM0,
1854 * in 0.5us units for WM1+.
1857 uint16_t pri_latency
[5];
1859 uint16_t spr_latency
[5];
1861 uint16_t cur_latency
[5];
1863 * Raw watermark memory latency values
1864 * for SKL for all 8 levels
1867 uint16_t skl_latency
[8];
1870 * The skl_wm_values structure is a bit too big for stack
1871 * allocation, so we keep the staging struct where we store
1872 * intermediate results here instead.
1874 struct skl_wm_values skl_results
;
1876 /* current hardware state */
1878 struct ilk_wm_values hw
;
1879 struct skl_wm_values skl_hw
;
1883 struct i915_runtime_pm pm
;
1885 struct intel_digital_port
*hpd_irq_port
[I915_MAX_PORTS
];
1886 u32 long_hpd_port_mask
;
1887 u32 short_hpd_port_mask
;
1888 struct work_struct dig_port_work
;
1891 * if we get a HPD irq from DP and a HPD irq from non-DP
1892 * the non-DP HPD could block the workqueue on a mode config
1893 * mutex getting, that userspace may have taken. However
1894 * userspace is waiting on the DP workqueue to run which is
1895 * blocked behind the non-DP one.
1897 struct workqueue_struct
*dp_wq
;
1899 /* Abstract the submission mechanism (legacy ringbuffer or execlists) away */
1901 int (*do_execbuf
)(struct drm_device
*dev
, struct drm_file
*file
,
1902 struct intel_engine_cs
*ring
,
1903 struct intel_context
*ctx
,
1904 struct drm_i915_gem_execbuffer2
*args
,
1905 struct list_head
*vmas
,
1906 struct drm_i915_gem_object
*batch_obj
,
1907 u64 exec_start
, u32 flags
);
1908 int (*init_rings
)(struct drm_device
*dev
);
1909 void (*cleanup_ring
)(struct intel_engine_cs
*ring
);
1910 void (*stop_ring
)(struct intel_engine_cs
*ring
);
1913 uint32_t request_uniq
;
1916 * NOTE: This is the dri1/ums dungeon, don't add stuff here. Your patch
1917 * will be rejected. Instead look for a better place.
1921 static inline struct drm_i915_private
*to_i915(const struct drm_device
*dev
)
1923 return dev
->dev_private
;
1926 static inline struct drm_i915_private
*dev_to_i915(struct device
*dev
)
1928 return to_i915(dev_get_drvdata(dev
));
1931 /* Iterate over initialised rings */
1932 #define for_each_ring(ring__, dev_priv__, i__) \
1933 for ((i__) = 0; (i__) < I915_NUM_RINGS; (i__)++) \
1934 if (((ring__) = &(dev_priv__)->ring[(i__)]), intel_ring_initialized((ring__)))
1936 enum hdmi_force_audio
{
1937 HDMI_AUDIO_OFF_DVI
= -2, /* no aux data for HDMI-DVI converter */
1938 HDMI_AUDIO_OFF
, /* force turn off HDMI audio */
1939 HDMI_AUDIO_AUTO
, /* trust EDID */
1940 HDMI_AUDIO_ON
, /* force turn on HDMI audio */
1943 #define I915_GTT_OFFSET_NONE ((u32)-1)
1945 struct drm_i915_gem_object_ops
{
1946 /* Interface between the GEM object and its backing storage.
1947 * get_pages() is called once prior to the use of the associated set
1948 * of pages before to binding them into the GTT, and put_pages() is
1949 * called after we no longer need them. As we expect there to be
1950 * associated cost with migrating pages between the backing storage
1951 * and making them available for the GPU (e.g. clflush), we may hold
1952 * onto the pages after they are no longer referenced by the GPU
1953 * in case they may be used again shortly (for example migrating the
1954 * pages to a different memory domain within the GTT). put_pages()
1955 * will therefore most likely be called when the object itself is
1956 * being released or under memory pressure (where we attempt to
1957 * reap pages for the shrinker).
1959 int (*get_pages
)(struct drm_i915_gem_object
*);
1960 void (*put_pages
)(struct drm_i915_gem_object
*);
1961 int (*dmabuf_export
)(struct drm_i915_gem_object
*);
1962 void (*release
)(struct drm_i915_gem_object
*);
1966 * Frontbuffer tracking bits. Set in obj->frontbuffer_bits while a gem bo is
1967 * considered to be the frontbuffer for the given plane interface-vise. This
1968 * doesn't mean that the hw necessarily already scans it out, but that any
1969 * rendering (by the cpu or gpu) will land in the frontbuffer eventually.
1971 * We have one bit per pipe and per scanout plane type.
1973 #define INTEL_FRONTBUFFER_BITS_PER_PIPE 4
1974 #define INTEL_FRONTBUFFER_BITS \
1975 (INTEL_FRONTBUFFER_BITS_PER_PIPE * I915_MAX_PIPES)
1976 #define INTEL_FRONTBUFFER_PRIMARY(pipe) \
1977 (1 << (INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe)))
1978 #define INTEL_FRONTBUFFER_CURSOR(pipe) \
1979 (1 << (1 +(INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe))))
1980 #define INTEL_FRONTBUFFER_SPRITE(pipe) \
1981 (1 << (2 +(INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe))))
1982 #define INTEL_FRONTBUFFER_OVERLAY(pipe) \
1983 (1 << (3 +(INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe))))
1984 #define INTEL_FRONTBUFFER_ALL_MASK(pipe) \
1985 (0xf << (INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe)))
1987 struct drm_i915_gem_object
{
1988 struct drm_gem_object base
;
1990 const struct drm_i915_gem_object_ops
*ops
;
1992 /** List of VMAs backed by this object */
1993 struct list_head vma_list
;
1995 /** Stolen memory for this object, instead of being backed by shmem. */
1996 struct drm_mm_node
*stolen
;
1997 struct list_head global_list
;
1999 struct list_head ring_list
;
2000 /** Used in execbuf to temporarily hold a ref */
2001 struct list_head obj_exec_link
;
2003 struct list_head batch_pool_list
;
2006 * This is set if the object is on the active lists (has pending
2007 * rendering and so a non-zero seqno), and is not set if it i s on
2008 * inactive (ready to be unbound) list.
2010 unsigned int active
:1;
2013 * This is set if the object has been written to since last bound
2016 unsigned int dirty
:1;
2019 * Fence register bits (if any) for this object. Will be set
2020 * as needed when mapped into the GTT.
2021 * Protected by dev->struct_mutex.
2023 signed int fence_reg
:I915_MAX_NUM_FENCE_BITS
;
2026 * Advice: are the backing pages purgeable?
2028 unsigned int madv
:2;
2031 * Current tiling mode for the object.
2033 unsigned int tiling_mode
:2;
2035 * Whether the tiling parameters for the currently associated fence
2036 * register have changed. Note that for the purposes of tracking
2037 * tiling changes we also treat the unfenced register, the register
2038 * slot that the object occupies whilst it executes a fenced
2039 * command (such as BLT on gen2/3), as a "fence".
2041 unsigned int fence_dirty
:1;
2044 * Is the object at the current location in the gtt mappable and
2045 * fenceable? Used to avoid costly recalculations.
2047 unsigned int map_and_fenceable
:1;
2050 * Whether the current gtt mapping needs to be mappable (and isn't just
2051 * mappable by accident). Track pin and fault separate for a more
2052 * accurate mappable working set.
2054 unsigned int fault_mappable
:1;
2055 unsigned int pin_mappable
:1;
2056 unsigned int pin_display
:1;
2059 * Is the object to be mapped as read-only to the GPU
2060 * Only honoured if hardware has relevant pte bit
2062 unsigned long gt_ro
:1;
2063 unsigned int cache_level
:3;
2064 unsigned int cache_dirty
:1;
2066 unsigned int has_dma_mapping
:1;
2068 unsigned int frontbuffer_bits
:INTEL_FRONTBUFFER_BITS
;
2070 struct sg_table
*pages
;
2071 int pages_pin_count
;
2073 /* prime dma-buf support */
2074 void *dma_buf_vmapping
;
2077 /** Breadcrumb of last rendering to the buffer. */
2078 struct drm_i915_gem_request
*last_read_req
;
2079 struct drm_i915_gem_request
*last_write_req
;
2080 /** Breadcrumb of last fenced GPU access to the buffer. */
2081 struct drm_i915_gem_request
*last_fenced_req
;
2083 /** Current tiling stride for the object, if it's tiled. */
2086 /** References from framebuffers, locks out tiling changes. */
2087 unsigned long framebuffer_references
;
2089 /** Record of address bit 17 of each page at last unbind. */
2090 unsigned long *bit_17
;
2093 /** for phy allocated objects */
2094 struct drm_dma_handle
*phys_handle
;
2096 struct i915_gem_userptr
{
2098 unsigned read_only
:1;
2099 unsigned workers
:4;
2100 #define I915_GEM_USERPTR_MAX_WORKERS 15
2102 struct i915_mm_struct
*mm
;
2103 struct i915_mmu_object
*mmu_object
;
2104 struct work_struct
*work
;
2108 #define to_intel_bo(x) container_of(x, struct drm_i915_gem_object, base)
2110 void i915_gem_track_fb(struct drm_i915_gem_object
*old
,
2111 struct drm_i915_gem_object
*new,
2112 unsigned frontbuffer_bits
);
2115 * Request queue structure.
2117 * The request queue allows us to note sequence numbers that have been emitted
2118 * and may be associated with active buffers to be retired.
2120 * By keeping this list, we can avoid having to do questionable sequence
2121 * number comparisons on buffer last_read|write_seqno. It also allows an
2122 * emission time to be associated with the request for tracking how far ahead
2123 * of the GPU the submission is.
2125 struct drm_i915_gem_request
{
2128 /** On Which ring this request was generated */
2129 struct intel_engine_cs
*ring
;
2131 /** GEM sequence number associated with this request. */
2134 /** Position in the ringbuffer of the start of the request */
2138 * Position in the ringbuffer of the start of the postfix.
2139 * This is required to calculate the maximum available ringbuffer
2140 * space without overwriting the postfix.
2144 /** Position in the ringbuffer of the end of the whole request */
2147 /** Context related to this request */
2148 struct intel_context
*ctx
;
2150 /** Batch buffer related to this request if any */
2151 struct drm_i915_gem_object
*batch_obj
;
2153 /** Time at which this request was emitted, in jiffies. */
2154 unsigned long emitted_jiffies
;
2156 /** global list entry for this request */
2157 struct list_head list
;
2159 struct drm_i915_file_private
*file_priv
;
2160 /** file_priv list entry for this request */
2161 struct list_head client_list
;
2163 /** process identifier submitting this request */
2169 * The ELSP only accepts two elements at a time, so we queue
2170 * context/tail pairs on a given queue (ring->execlist_queue) until the
2171 * hardware is available. The queue serves a double purpose: we also use
2172 * it to keep track of the up to 2 contexts currently in the hardware
2173 * (usually one in execution and the other queued up by the GPU): We
2174 * only remove elements from the head of the queue when the hardware
2175 * informs us that an element has been completed.
2177 * All accesses to the queue are mediated by a spinlock
2178 * (ring->execlist_lock).
2181 /** Execlist link in the submission queue.*/
2182 struct list_head execlist_link
;
2184 /** Execlists no. of times this request has been sent to the ELSP */
2189 void i915_gem_request_free(struct kref
*req_ref
);
2191 static inline uint32_t
2192 i915_gem_request_get_seqno(struct drm_i915_gem_request
*req
)
2194 return req
? req
->seqno
: 0;
2197 static inline struct intel_engine_cs
*
2198 i915_gem_request_get_ring(struct drm_i915_gem_request
*req
)
2200 return req
? req
->ring
: NULL
;
2204 i915_gem_request_reference(struct drm_i915_gem_request
*req
)
2206 kref_get(&req
->ref
);
2210 i915_gem_request_unreference(struct drm_i915_gem_request
*req
)
2212 WARN_ON(!mutex_is_locked(&req
->ring
->dev
->struct_mutex
));
2213 kref_put(&req
->ref
, i915_gem_request_free
);
2216 static inline void i915_gem_request_assign(struct drm_i915_gem_request
**pdst
,
2217 struct drm_i915_gem_request
*src
)
2220 i915_gem_request_reference(src
);
2223 i915_gem_request_unreference(*pdst
);
2229 * XXX: i915_gem_request_completed should be here but currently needs the
2230 * definition of i915_seqno_passed() which is below. It will be moved in
2231 * a later patch when the call to i915_seqno_passed() is obsoleted...
2234 struct drm_i915_file_private
{
2235 struct drm_i915_private
*dev_priv
;
2236 struct drm_file
*file
;
2240 struct list_head request_list
;
2241 struct delayed_work idle_work
;
2243 struct idr context_idr
;
2245 atomic_t rps_wait_boost
;
2246 struct intel_engine_cs
*bsd_ring
;
2250 * A command that requires special handling by the command parser.
2252 struct drm_i915_cmd_descriptor
{
2254 * Flags describing how the command parser processes the command.
2256 * CMD_DESC_FIXED: The command has a fixed length if this is set,
2257 * a length mask if not set
2258 * CMD_DESC_SKIP: The command is allowed but does not follow the
2259 * standard length encoding for the opcode range in
2261 * CMD_DESC_REJECT: The command is never allowed
2262 * CMD_DESC_REGISTER: The command should be checked against the
2263 * register whitelist for the appropriate ring
2264 * CMD_DESC_MASTER: The command is allowed if the submitting process
2268 #define CMD_DESC_FIXED (1<<0)
2269 #define CMD_DESC_SKIP (1<<1)
2270 #define CMD_DESC_REJECT (1<<2)
2271 #define CMD_DESC_REGISTER (1<<3)
2272 #define CMD_DESC_BITMASK (1<<4)
2273 #define CMD_DESC_MASTER (1<<5)
2276 * The command's unique identification bits and the bitmask to get them.
2277 * This isn't strictly the opcode field as defined in the spec and may
2278 * also include type, subtype, and/or subop fields.
2286 * The command's length. The command is either fixed length (i.e. does
2287 * not include a length field) or has a length field mask. The flag
2288 * CMD_DESC_FIXED indicates a fixed length. Otherwise, the command has
2289 * a length mask. All command entries in a command table must include
2290 * length information.
2298 * Describes where to find a register address in the command to check
2299 * against the ring's register whitelist. Only valid if flags has the
2300 * CMD_DESC_REGISTER bit set.
2307 #define MAX_CMD_DESC_BITMASKS 3
2309 * Describes command checks where a particular dword is masked and
2310 * compared against an expected value. If the command does not match
2311 * the expected value, the parser rejects it. Only valid if flags has
2312 * the CMD_DESC_BITMASK bit set. Only entries where mask is non-zero
2315 * If the check specifies a non-zero condition_mask then the parser
2316 * only performs the check when the bits specified by condition_mask
2323 u32 condition_offset
;
2325 } bits
[MAX_CMD_DESC_BITMASKS
];
2329 * A table of commands requiring special handling by the command parser.
2331 * Each ring has an array of tables. Each table consists of an array of command
2332 * descriptors, which must be sorted with command opcodes in ascending order.
2334 struct drm_i915_cmd_table
{
2335 const struct drm_i915_cmd_descriptor
*table
;
2339 /* Note that the (struct drm_i915_private *) cast is just to shut up gcc. */
2340 #define __I915__(p) ({ \
2341 struct drm_i915_private *__p; \
2342 if (__builtin_types_compatible_p(typeof(*p), struct drm_i915_private)) \
2343 __p = (struct drm_i915_private *)p; \
2344 else if (__builtin_types_compatible_p(typeof(*p), struct drm_device)) \
2345 __p = to_i915((struct drm_device *)p); \
2350 #define INTEL_INFO(p) (&__I915__(p)->info)
2351 #define INTEL_DEVID(p) (INTEL_INFO(p)->device_id)
2352 #define INTEL_REVID(p) (__I915__(p)->dev->pdev->revision)
2354 #define IS_I830(dev) (INTEL_DEVID(dev) == 0x3577)
2355 #define IS_845G(dev) (INTEL_DEVID(dev) == 0x2562)
2356 #define IS_I85X(dev) (INTEL_INFO(dev)->is_i85x)
2357 #define IS_I865G(dev) (INTEL_DEVID(dev) == 0x2572)
2358 #define IS_I915G(dev) (INTEL_INFO(dev)->is_i915g)
2359 #define IS_I915GM(dev) (INTEL_DEVID(dev) == 0x2592)
2360 #define IS_I945G(dev) (INTEL_DEVID(dev) == 0x2772)
2361 #define IS_I945GM(dev) (INTEL_INFO(dev)->is_i945gm)
2362 #define IS_BROADWATER(dev) (INTEL_INFO(dev)->is_broadwater)
2363 #define IS_CRESTLINE(dev) (INTEL_INFO(dev)->is_crestline)
2364 #define IS_GM45(dev) (INTEL_DEVID(dev) == 0x2A42)
2365 #define IS_G4X(dev) (INTEL_INFO(dev)->is_g4x)
2366 #define IS_PINEVIEW_G(dev) (INTEL_DEVID(dev) == 0xa001)
2367 #define IS_PINEVIEW_M(dev) (INTEL_DEVID(dev) == 0xa011)
2368 #define IS_PINEVIEW(dev) (INTEL_INFO(dev)->is_pineview)
2369 #define IS_G33(dev) (INTEL_INFO(dev)->is_g33)
2370 #define IS_IRONLAKE_M(dev) (INTEL_DEVID(dev) == 0x0046)
2371 #define IS_IVYBRIDGE(dev) (INTEL_INFO(dev)->is_ivybridge)
2372 #define IS_IVB_GT1(dev) (INTEL_DEVID(dev) == 0x0156 || \
2373 INTEL_DEVID(dev) == 0x0152 || \
2374 INTEL_DEVID(dev) == 0x015a)
2375 #define IS_VALLEYVIEW(dev) (INTEL_INFO(dev)->is_valleyview)
2376 #define IS_CHERRYVIEW(dev) (INTEL_INFO(dev)->is_valleyview && IS_GEN8(dev))
2377 #define IS_HASWELL(dev) (INTEL_INFO(dev)->is_haswell)
2378 #define IS_BROADWELL(dev) (!INTEL_INFO(dev)->is_valleyview && IS_GEN8(dev))
2379 #define IS_SKYLAKE(dev) (INTEL_INFO(dev)->is_skylake)
2380 #define IS_MOBILE(dev) (INTEL_INFO(dev)->is_mobile)
2381 #define IS_HSW_EARLY_SDV(dev) (IS_HASWELL(dev) && \
2382 (INTEL_DEVID(dev) & 0xFF00) == 0x0C00)
2383 #define IS_BDW_ULT(dev) (IS_BROADWELL(dev) && \
2384 ((INTEL_DEVID(dev) & 0xf) == 0x6 || \
2385 (INTEL_DEVID(dev) & 0xf) == 0xe))
2386 #define IS_BDW_GT3(dev) (IS_BROADWELL(dev) && \
2387 (INTEL_DEVID(dev) & 0x00F0) == 0x0020)
2388 #define IS_HSW_ULT(dev) (IS_HASWELL(dev) && \
2389 (INTEL_DEVID(dev) & 0xFF00) == 0x0A00)
2390 #define IS_HSW_GT3(dev) (IS_HASWELL(dev) && \
2391 (INTEL_DEVID(dev) & 0x00F0) == 0x0020)
2392 /* ULX machines are also considered ULT. */
2393 #define IS_HSW_ULX(dev) (INTEL_DEVID(dev) == 0x0A0E || \
2394 INTEL_DEVID(dev) == 0x0A1E)
2395 #define IS_PRELIMINARY_HW(intel_info) ((intel_info)->is_preliminary)
2397 #define SKL_REVID_A0 (0x0)
2398 #define SKL_REVID_B0 (0x1)
2399 #define SKL_REVID_C0 (0x2)
2400 #define SKL_REVID_D0 (0x3)
2401 #define SKL_REVID_E0 (0x4)
2404 * The genX designation typically refers to the render engine, so render
2405 * capability related checks should use IS_GEN, while display and other checks
2406 * have their own (e.g. HAS_PCH_SPLIT for ILK+ display, IS_foo for particular
2409 #define IS_GEN2(dev) (INTEL_INFO(dev)->gen == 2)
2410 #define IS_GEN3(dev) (INTEL_INFO(dev)->gen == 3)
2411 #define IS_GEN4(dev) (INTEL_INFO(dev)->gen == 4)
2412 #define IS_GEN5(dev) (INTEL_INFO(dev)->gen == 5)
2413 #define IS_GEN6(dev) (INTEL_INFO(dev)->gen == 6)
2414 #define IS_GEN7(dev) (INTEL_INFO(dev)->gen == 7)
2415 #define IS_GEN8(dev) (INTEL_INFO(dev)->gen == 8)
2416 #define IS_GEN9(dev) (INTEL_INFO(dev)->gen == 9)
2418 #define RENDER_RING (1<<RCS)
2419 #define BSD_RING (1<<VCS)
2420 #define BLT_RING (1<<BCS)
2421 #define VEBOX_RING (1<<VECS)
2422 #define BSD2_RING (1<<VCS2)
2423 #define HAS_BSD(dev) (INTEL_INFO(dev)->ring_mask & BSD_RING)
2424 #define HAS_BSD2(dev) (INTEL_INFO(dev)->ring_mask & BSD2_RING)
2425 #define HAS_BLT(dev) (INTEL_INFO(dev)->ring_mask & BLT_RING)
2426 #define HAS_VEBOX(dev) (INTEL_INFO(dev)->ring_mask & VEBOX_RING)
2427 #define HAS_LLC(dev) (INTEL_INFO(dev)->has_llc)
2428 #define HAS_WT(dev) ((IS_HASWELL(dev) || IS_BROADWELL(dev)) && \
2429 __I915__(dev)->ellc_size)
2430 #define I915_NEED_GFX_HWS(dev) (INTEL_INFO(dev)->need_gfx_hws)
2432 #define HAS_HW_CONTEXTS(dev) (INTEL_INFO(dev)->gen >= 6)
2433 #define HAS_LOGICAL_RING_CONTEXTS(dev) (INTEL_INFO(dev)->gen >= 8)
2434 #define USES_PPGTT(dev) (i915.enable_ppgtt)
2435 #define USES_FULL_PPGTT(dev) (i915.enable_ppgtt == 2)
2437 #define HAS_OVERLAY(dev) (INTEL_INFO(dev)->has_overlay)
2438 #define OVERLAY_NEEDS_PHYSICAL(dev) (INTEL_INFO(dev)->overlay_needs_physical)
2440 /* Early gen2 have a totally busted CS tlb and require pinned batches. */
2441 #define HAS_BROKEN_CS_TLB(dev) (IS_I830(dev) || IS_845G(dev))
2443 * dp aux and gmbus irq on gen4 seems to be able to generate legacy interrupts
2444 * even when in MSI mode. This results in spurious interrupt warnings if the
2445 * legacy irq no. is shared with another device. The kernel then disables that
2446 * interrupt source and so prevents the other device from working properly.
2448 #define HAS_AUX_IRQ(dev) (INTEL_INFO(dev)->gen >= 5)
2449 #define HAS_GMBUS_IRQ(dev) (INTEL_INFO(dev)->gen >= 5)
2451 /* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
2452 * rows, which changed the alignment requirements and fence programming.
2454 #define HAS_128_BYTE_Y_TILING(dev) (!IS_GEN2(dev) && !(IS_I915G(dev) || \
2456 #define SUPPORTS_DIGITAL_OUTPUTS(dev) (!IS_GEN2(dev) && !IS_PINEVIEW(dev))
2457 #define SUPPORTS_INTEGRATED_HDMI(dev) (IS_G4X(dev) || IS_GEN5(dev))
2458 #define SUPPORTS_INTEGRATED_DP(dev) (IS_G4X(dev) || IS_GEN5(dev))
2459 #define SUPPORTS_TV(dev) (INTEL_INFO(dev)->supports_tv)
2460 #define I915_HAS_HOTPLUG(dev) (INTEL_INFO(dev)->has_hotplug)
2462 #define HAS_FW_BLC(dev) (INTEL_INFO(dev)->gen > 2)
2463 #define HAS_PIPE_CXSR(dev) (INTEL_INFO(dev)->has_pipe_cxsr)
2464 #define HAS_FBC(dev) (INTEL_INFO(dev)->has_fbc)
2466 #define HAS_IPS(dev) (IS_HSW_ULT(dev) || IS_BROADWELL(dev))
2468 #define HAS_DDI(dev) (INTEL_INFO(dev)->has_ddi)
2469 #define HAS_FPGA_DBG_UNCLAIMED(dev) (INTEL_INFO(dev)->has_fpga_dbg)
2470 #define HAS_PSR(dev) (IS_HASWELL(dev) || IS_BROADWELL(dev) || \
2471 IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev) || \
2473 #define HAS_RUNTIME_PM(dev) (IS_GEN6(dev) || IS_HASWELL(dev) || \
2474 IS_BROADWELL(dev) || IS_VALLEYVIEW(dev))
2475 #define HAS_RC6(dev) (INTEL_INFO(dev)->gen >= 6)
2476 #define HAS_RC6p(dev) (INTEL_INFO(dev)->gen == 6 || IS_IVYBRIDGE(dev))
2478 #define INTEL_PCH_DEVICE_ID_MASK 0xff00
2479 #define INTEL_PCH_IBX_DEVICE_ID_TYPE 0x3b00
2480 #define INTEL_PCH_CPT_DEVICE_ID_TYPE 0x1c00
2481 #define INTEL_PCH_PPT_DEVICE_ID_TYPE 0x1e00
2482 #define INTEL_PCH_LPT_DEVICE_ID_TYPE 0x8c00
2483 #define INTEL_PCH_LPT_LP_DEVICE_ID_TYPE 0x9c00
2484 #define INTEL_PCH_SPT_DEVICE_ID_TYPE 0xA100
2485 #define INTEL_PCH_SPT_LP_DEVICE_ID_TYPE 0x9D00
2487 #define INTEL_PCH_TYPE(dev) (__I915__(dev)->pch_type)
2488 #define HAS_PCH_SPT(dev) (INTEL_PCH_TYPE(dev) == PCH_SPT)
2489 #define HAS_PCH_LPT(dev) (INTEL_PCH_TYPE(dev) == PCH_LPT)
2490 #define HAS_PCH_CPT(dev) (INTEL_PCH_TYPE(dev) == PCH_CPT)
2491 #define HAS_PCH_IBX(dev) (INTEL_PCH_TYPE(dev) == PCH_IBX)
2492 #define HAS_PCH_NOP(dev) (INTEL_PCH_TYPE(dev) == PCH_NOP)
2493 #define HAS_PCH_SPLIT(dev) (INTEL_PCH_TYPE(dev) != PCH_NONE)
2495 #define HAS_GMCH_DISPLAY(dev) (INTEL_INFO(dev)->gen < 5 || IS_VALLEYVIEW(dev))
2497 /* DPF == dynamic parity feature */
2498 #define HAS_L3_DPF(dev) (IS_IVYBRIDGE(dev) || IS_HASWELL(dev))
2499 #define NUM_L3_SLICES(dev) (IS_HSW_GT3(dev) ? 2 : HAS_L3_DPF(dev))
2501 #define GT_FREQUENCY_MULTIPLIER 50
2503 #include "i915_trace.h"
2505 extern const struct drm_ioctl_desc i915_ioctls
[];
2506 extern int i915_max_ioctl
;
2508 extern int i915_suspend_legacy(struct drm_device
*dev
, pm_message_t state
);
2509 extern int i915_resume_legacy(struct drm_device
*dev
);
2512 struct i915_params
{
2514 int panel_ignore_lid
;
2515 unsigned int powersave
;
2517 unsigned int lvds_downclock
;
2518 int lvds_channel_mode
;
2520 int vbt_sdvo_panel_type
;
2524 int enable_execlists
;
2526 unsigned int preliminary_hw_support
;
2527 int disable_power_well
;
2529 int invert_brightness
;
2530 int enable_cmd_parser
;
2531 /* leave bools at the end to not create holes */
2532 bool enable_hangcheck
;
2534 bool prefault_disable
;
2536 bool disable_display
;
2537 bool disable_vtd_wa
;
2540 bool verbose_state_checks
;
2541 bool nuclear_pageflip
;
2543 extern struct i915_params i915 __read_mostly
;
2546 extern int i915_driver_load(struct drm_device
*, unsigned long flags
);
2547 extern int i915_driver_unload(struct drm_device
*);
2548 extern int i915_driver_open(struct drm_device
*dev
, struct drm_file
*file
);
2549 extern void i915_driver_lastclose(struct drm_device
* dev
);
2550 extern void i915_driver_preclose(struct drm_device
*dev
,
2551 struct drm_file
*file
);
2552 extern void i915_driver_postclose(struct drm_device
*dev
,
2553 struct drm_file
*file
);
2554 extern int i915_driver_device_is_agp(struct drm_device
* dev
);
2555 #ifdef CONFIG_COMPAT
2556 extern long i915_compat_ioctl(struct file
*filp
, unsigned int cmd
,
2559 extern int intel_gpu_reset(struct drm_device
*dev
);
2560 extern int i915_reset(struct drm_device
*dev
);
2561 extern unsigned long i915_chipset_val(struct drm_i915_private
*dev_priv
);
2562 extern unsigned long i915_mch_val(struct drm_i915_private
*dev_priv
);
2563 extern unsigned long i915_gfx_val(struct drm_i915_private
*dev_priv
);
2564 extern void i915_update_gfx_val(struct drm_i915_private
*dev_priv
);
2565 int vlv_force_gfx_clock(struct drm_i915_private
*dev_priv
, bool on
);
2566 void intel_hpd_cancel_work(struct drm_i915_private
*dev_priv
);
2569 void i915_queue_hangcheck(struct drm_device
*dev
);
2571 void i915_handle_error(struct drm_device
*dev
, bool wedged
,
2572 const char *fmt
, ...);
2574 extern void intel_irq_init(struct drm_i915_private
*dev_priv
);
2575 extern void intel_hpd_init(struct drm_i915_private
*dev_priv
);
2576 int intel_irq_install(struct drm_i915_private
*dev_priv
);
2577 void intel_irq_uninstall(struct drm_i915_private
*dev_priv
);
2579 extern void intel_uncore_sanitize(struct drm_device
*dev
);
2580 extern void intel_uncore_early_sanitize(struct drm_device
*dev
,
2581 bool restore_forcewake
);
2582 extern void intel_uncore_init(struct drm_device
*dev
);
2583 extern void intel_uncore_check_errors(struct drm_device
*dev
);
2584 extern void intel_uncore_fini(struct drm_device
*dev
);
2585 extern void intel_uncore_forcewake_reset(struct drm_device
*dev
, bool restore
);
2586 const char *intel_uncore_forcewake_domain_to_str(const enum forcewake_domain_id id
);
2587 void intel_uncore_forcewake_get(struct drm_i915_private
*dev_priv
,
2588 enum forcewake_domains domains
);
2589 void intel_uncore_forcewake_put(struct drm_i915_private
*dev_priv
,
2590 enum forcewake_domains domains
);
2591 void assert_forcewakes_inactive(struct drm_i915_private
*dev_priv
);
2592 static inline bool intel_vgpu_active(struct drm_device
*dev
)
2594 return to_i915(dev
)->vgpu
.active
;
2598 i915_enable_pipestat(struct drm_i915_private
*dev_priv
, enum pipe pipe
,
2602 i915_disable_pipestat(struct drm_i915_private
*dev_priv
, enum pipe pipe
,
2605 void valleyview_enable_display_irqs(struct drm_i915_private
*dev_priv
);
2606 void valleyview_disable_display_irqs(struct drm_i915_private
*dev_priv
);
2608 ironlake_enable_display_irq(struct drm_i915_private
*dev_priv
, u32 mask
);
2610 ironlake_disable_display_irq(struct drm_i915_private
*dev_priv
, u32 mask
);
2611 void ibx_display_interrupt_update(struct drm_i915_private
*dev_priv
,
2612 uint32_t interrupt_mask
,
2613 uint32_t enabled_irq_mask
);
2614 #define ibx_enable_display_interrupt(dev_priv, bits) \
2615 ibx_display_interrupt_update((dev_priv), (bits), (bits))
2616 #define ibx_disable_display_interrupt(dev_priv, bits) \
2617 ibx_display_interrupt_update((dev_priv), (bits), 0)
2620 int i915_gem_create_ioctl(struct drm_device
*dev
, void *data
,
2621 struct drm_file
*file_priv
);
2622 int i915_gem_pread_ioctl(struct drm_device
*dev
, void *data
,
2623 struct drm_file
*file_priv
);
2624 int i915_gem_pwrite_ioctl(struct drm_device
*dev
, void *data
,
2625 struct drm_file
*file_priv
);
2626 int i915_gem_mmap_ioctl(struct drm_device
*dev
, void *data
,
2627 struct drm_file
*file_priv
);
2628 int i915_gem_mmap_gtt_ioctl(struct drm_device
*dev
, void *data
,
2629 struct drm_file
*file_priv
);
2630 int i915_gem_set_domain_ioctl(struct drm_device
*dev
, void *data
,
2631 struct drm_file
*file_priv
);
2632 int i915_gem_sw_finish_ioctl(struct drm_device
*dev
, void *data
,
2633 struct drm_file
*file_priv
);
2634 void i915_gem_execbuffer_move_to_active(struct list_head
*vmas
,
2635 struct intel_engine_cs
*ring
);
2636 void i915_gem_execbuffer_retire_commands(struct drm_device
*dev
,
2637 struct drm_file
*file
,
2638 struct intel_engine_cs
*ring
,
2639 struct drm_i915_gem_object
*obj
);
2640 int i915_gem_ringbuffer_submission(struct drm_device
*dev
,
2641 struct drm_file
*file
,
2642 struct intel_engine_cs
*ring
,
2643 struct intel_context
*ctx
,
2644 struct drm_i915_gem_execbuffer2
*args
,
2645 struct list_head
*vmas
,
2646 struct drm_i915_gem_object
*batch_obj
,
2647 u64 exec_start
, u32 flags
);
2648 int i915_gem_execbuffer(struct drm_device
*dev
, void *data
,
2649 struct drm_file
*file_priv
);
2650 int i915_gem_execbuffer2(struct drm_device
*dev
, void *data
,
2651 struct drm_file
*file_priv
);
2652 int i915_gem_busy_ioctl(struct drm_device
*dev
, void *data
,
2653 struct drm_file
*file_priv
);
2654 int i915_gem_get_caching_ioctl(struct drm_device
*dev
, void *data
,
2655 struct drm_file
*file
);
2656 int i915_gem_set_caching_ioctl(struct drm_device
*dev
, void *data
,
2657 struct drm_file
*file
);
2658 int i915_gem_throttle_ioctl(struct drm_device
*dev
, void *data
,
2659 struct drm_file
*file_priv
);
2660 int i915_gem_madvise_ioctl(struct drm_device
*dev
, void *data
,
2661 struct drm_file
*file_priv
);
2662 int i915_gem_set_tiling(struct drm_device
*dev
, void *data
,
2663 struct drm_file
*file_priv
);
2664 int i915_gem_get_tiling(struct drm_device
*dev
, void *data
,
2665 struct drm_file
*file_priv
);
2666 int i915_gem_init_userptr(struct drm_device
*dev
);
2667 int i915_gem_userptr_ioctl(struct drm_device
*dev
, void *data
,
2668 struct drm_file
*file
);
2669 int i915_gem_get_aperture_ioctl(struct drm_device
*dev
, void *data
,
2670 struct drm_file
*file_priv
);
2671 int i915_gem_wait_ioctl(struct drm_device
*dev
, void *data
,
2672 struct drm_file
*file_priv
);
2673 void i915_gem_load(struct drm_device
*dev
);
2674 unsigned long i915_gem_shrink(struct drm_i915_private
*dev_priv
,
2677 #define I915_SHRINK_PURGEABLE 0x1
2678 #define I915_SHRINK_UNBOUND 0x2
2679 #define I915_SHRINK_BOUND 0x4
2680 void *i915_gem_object_alloc(struct drm_device
*dev
);
2681 void i915_gem_object_free(struct drm_i915_gem_object
*obj
);
2682 void i915_gem_object_init(struct drm_i915_gem_object
*obj
,
2683 const struct drm_i915_gem_object_ops
*ops
);
2684 struct drm_i915_gem_object
*i915_gem_alloc_object(struct drm_device
*dev
,
2686 void i915_init_vm(struct drm_i915_private
*dev_priv
,
2687 struct i915_address_space
*vm
);
2688 void i915_gem_free_object(struct drm_gem_object
*obj
);
2689 void i915_gem_vma_destroy(struct i915_vma
*vma
);
2691 #define PIN_MAPPABLE 0x1
2692 #define PIN_NONBLOCK 0x2
2693 #define PIN_GLOBAL 0x4
2694 #define PIN_OFFSET_BIAS 0x8
2695 #define PIN_OFFSET_MASK (~4095)
2696 int __must_check
i915_gem_object_pin_view(struct drm_i915_gem_object
*obj
,
2697 struct i915_address_space
*vm
,
2700 const struct i915_ggtt_view
*view
);
2702 int __must_check
i915_gem_object_pin(struct drm_i915_gem_object
*obj
,
2703 struct i915_address_space
*vm
,
2707 return i915_gem_object_pin_view(obj
, vm
, alignment
, flags
,
2708 &i915_ggtt_view_normal
);
2711 int i915_vma_bind(struct i915_vma
*vma
, enum i915_cache_level cache_level
,
2713 int __must_check
i915_vma_unbind(struct i915_vma
*vma
);
2714 int i915_gem_object_put_pages(struct drm_i915_gem_object
*obj
);
2715 void i915_gem_release_all_mmaps(struct drm_i915_private
*dev_priv
);
2716 void i915_gem_release_mmap(struct drm_i915_gem_object
*obj
);
2718 int i915_gem_obj_prepare_shmem_read(struct drm_i915_gem_object
*obj
,
2719 int *needs_clflush
);
2721 int __must_check
i915_gem_object_get_pages(struct drm_i915_gem_object
*obj
);
2722 static inline struct page
*i915_gem_object_get_page(struct drm_i915_gem_object
*obj
, int n
)
2724 struct sg_page_iter sg_iter
;
2726 for_each_sg_page(obj
->pages
->sgl
, &sg_iter
, obj
->pages
->nents
, n
)
2727 return sg_page_iter_page(&sg_iter
);
2731 static inline void i915_gem_object_pin_pages(struct drm_i915_gem_object
*obj
)
2733 BUG_ON(obj
->pages
== NULL
);
2734 obj
->pages_pin_count
++;
2736 static inline void i915_gem_object_unpin_pages(struct drm_i915_gem_object
*obj
)
2738 BUG_ON(obj
->pages_pin_count
== 0);
2739 obj
->pages_pin_count
--;
2742 int __must_check
i915_mutex_lock_interruptible(struct drm_device
*dev
);
2743 int i915_gem_object_sync(struct drm_i915_gem_object
*obj
,
2744 struct intel_engine_cs
*to
);
2745 void i915_vma_move_to_active(struct i915_vma
*vma
,
2746 struct intel_engine_cs
*ring
);
2747 int i915_gem_dumb_create(struct drm_file
*file_priv
,
2748 struct drm_device
*dev
,
2749 struct drm_mode_create_dumb
*args
);
2750 int i915_gem_mmap_gtt(struct drm_file
*file_priv
, struct drm_device
*dev
,
2751 uint32_t handle
, uint64_t *offset
);
2753 * Returns true if seq1 is later than seq2.
2756 i915_seqno_passed(uint32_t seq1
, uint32_t seq2
)
2758 return (int32_t)(seq1
- seq2
) >= 0;
2761 static inline bool i915_gem_request_completed(struct drm_i915_gem_request
*req
,
2762 bool lazy_coherency
)
2766 BUG_ON(req
== NULL
);
2768 seqno
= req
->ring
->get_seqno(req
->ring
, lazy_coherency
);
2770 return i915_seqno_passed(seqno
, req
->seqno
);
2773 int __must_check
i915_gem_get_seqno(struct drm_device
*dev
, u32
*seqno
);
2774 int __must_check
i915_gem_set_seqno(struct drm_device
*dev
, u32 seqno
);
2775 int __must_check
i915_gem_object_get_fence(struct drm_i915_gem_object
*obj
);
2776 int __must_check
i915_gem_object_put_fence(struct drm_i915_gem_object
*obj
);
2778 bool i915_gem_object_pin_fence(struct drm_i915_gem_object
*obj
);
2779 void i915_gem_object_unpin_fence(struct drm_i915_gem_object
*obj
);
2781 struct drm_i915_gem_request
*
2782 i915_gem_find_active_request(struct intel_engine_cs
*ring
);
2784 bool i915_gem_retire_requests(struct drm_device
*dev
);
2785 void i915_gem_retire_requests_ring(struct intel_engine_cs
*ring
);
2786 int __must_check
i915_gem_check_wedge(struct i915_gpu_error
*error
,
2787 bool interruptible
);
2788 int __must_check
i915_gem_check_olr(struct drm_i915_gem_request
*req
);
2790 static inline bool i915_reset_in_progress(struct i915_gpu_error
*error
)
2792 return unlikely(atomic_read(&error
->reset_counter
)
2793 & (I915_RESET_IN_PROGRESS_FLAG
| I915_WEDGED
));
2796 static inline bool i915_terminally_wedged(struct i915_gpu_error
*error
)
2798 return atomic_read(&error
->reset_counter
) & I915_WEDGED
;
2801 static inline u32
i915_reset_count(struct i915_gpu_error
*error
)
2803 return ((atomic_read(&error
->reset_counter
) & ~I915_WEDGED
) + 1) / 2;
2806 static inline bool i915_stop_ring_allow_ban(struct drm_i915_private
*dev_priv
)
2808 return dev_priv
->gpu_error
.stop_rings
== 0 ||
2809 dev_priv
->gpu_error
.stop_rings
& I915_STOP_RING_ALLOW_BAN
;
2812 static inline bool i915_stop_ring_allow_warn(struct drm_i915_private
*dev_priv
)
2814 return dev_priv
->gpu_error
.stop_rings
== 0 ||
2815 dev_priv
->gpu_error
.stop_rings
& I915_STOP_RING_ALLOW_WARN
;
2818 void i915_gem_reset(struct drm_device
*dev
);
2819 bool i915_gem_clflush_object(struct drm_i915_gem_object
*obj
, bool force
);
2820 int __must_check
i915_gem_object_finish_gpu(struct drm_i915_gem_object
*obj
);
2821 int __must_check
i915_gem_init(struct drm_device
*dev
);
2822 int i915_gem_init_rings(struct drm_device
*dev
);
2823 int __must_check
i915_gem_init_hw(struct drm_device
*dev
);
2824 int i915_gem_l3_remap(struct intel_engine_cs
*ring
, int slice
);
2825 void i915_gem_init_swizzling(struct drm_device
*dev
);
2826 void i915_gem_cleanup_ringbuffer(struct drm_device
*dev
);
2827 int __must_check
i915_gpu_idle(struct drm_device
*dev
);
2828 int __must_check
i915_gem_suspend(struct drm_device
*dev
);
2829 int __i915_add_request(struct intel_engine_cs
*ring
,
2830 struct drm_file
*file
,
2831 struct drm_i915_gem_object
*batch_obj
);
2832 #define i915_add_request(ring) \
2833 __i915_add_request(ring, NULL, NULL)
2834 int __i915_wait_request(struct drm_i915_gem_request
*req
,
2835 unsigned reset_counter
,
2838 struct drm_i915_file_private
*file_priv
);
2839 int __must_check
i915_wait_request(struct drm_i915_gem_request
*req
);
2840 int i915_gem_fault(struct vm_area_struct
*vma
, struct vm_fault
*vmf
);
2842 i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object
*obj
,
2845 i915_gem_object_set_to_cpu_domain(struct drm_i915_gem_object
*obj
, bool write
);
2847 i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object
*obj
,
2849 struct intel_engine_cs
*pipelined
);
2850 void i915_gem_object_unpin_from_display_plane(struct drm_i915_gem_object
*obj
);
2851 int i915_gem_object_attach_phys(struct drm_i915_gem_object
*obj
,
2853 int i915_gem_open(struct drm_device
*dev
, struct drm_file
*file
);
2854 void i915_gem_release(struct drm_device
*dev
, struct drm_file
*file
);
2857 i915_gem_get_gtt_size(struct drm_device
*dev
, uint32_t size
, int tiling_mode
);
2859 i915_gem_get_gtt_alignment(struct drm_device
*dev
, uint32_t size
,
2860 int tiling_mode
, bool fenced
);
2862 int i915_gem_object_set_cache_level(struct drm_i915_gem_object
*obj
,
2863 enum i915_cache_level cache_level
);
2865 struct drm_gem_object
*i915_gem_prime_import(struct drm_device
*dev
,
2866 struct dma_buf
*dma_buf
);
2868 struct dma_buf
*i915_gem_prime_export(struct drm_device
*dev
,
2869 struct drm_gem_object
*gem_obj
, int flags
);
2871 void i915_gem_restore_fences(struct drm_device
*dev
);
2873 unsigned long i915_gem_obj_offset_view(struct drm_i915_gem_object
*o
,
2874 struct i915_address_space
*vm
,
2875 enum i915_ggtt_view_type view
);
2877 unsigned long i915_gem_obj_offset(struct drm_i915_gem_object
*o
,
2878 struct i915_address_space
*vm
)
2880 return i915_gem_obj_offset_view(o
, vm
, I915_GGTT_VIEW_NORMAL
);
2882 bool i915_gem_obj_bound_any(struct drm_i915_gem_object
*o
);
2883 bool i915_gem_obj_bound_view(struct drm_i915_gem_object
*o
,
2884 struct i915_address_space
*vm
,
2885 enum i915_ggtt_view_type view
);
2887 bool i915_gem_obj_bound(struct drm_i915_gem_object
*o
,
2888 struct i915_address_space
*vm
)
2890 return i915_gem_obj_bound_view(o
, vm
, I915_GGTT_VIEW_NORMAL
);
2893 unsigned long i915_gem_obj_size(struct drm_i915_gem_object
*o
,
2894 struct i915_address_space
*vm
);
2895 struct i915_vma
*i915_gem_obj_to_vma_view(struct drm_i915_gem_object
*obj
,
2896 struct i915_address_space
*vm
,
2897 const struct i915_ggtt_view
*view
);
2899 struct i915_vma
*i915_gem_obj_to_vma(struct drm_i915_gem_object
*obj
,
2900 struct i915_address_space
*vm
)
2902 return i915_gem_obj_to_vma_view(obj
, vm
, &i915_ggtt_view_normal
);
2906 i915_gem_obj_lookup_or_create_vma_view(struct drm_i915_gem_object
*obj
,
2907 struct i915_address_space
*vm
,
2908 const struct i915_ggtt_view
*view
);
2912 i915_gem_obj_lookup_or_create_vma(struct drm_i915_gem_object
*obj
,
2913 struct i915_address_space
*vm
)
2915 return i915_gem_obj_lookup_or_create_vma_view(obj
, vm
,
2916 &i915_ggtt_view_normal
);
2919 struct i915_vma
*i915_gem_obj_to_ggtt(struct drm_i915_gem_object
*obj
);
2920 static inline bool i915_gem_obj_is_pinned(struct drm_i915_gem_object
*obj
) {
2921 struct i915_vma
*vma
;
2922 list_for_each_entry(vma
, &obj
->vma_list
, vma_link
)
2923 if (vma
->pin_count
> 0)
2928 /* Some GGTT VM helpers */
2929 #define i915_obj_to_ggtt(obj) \
2930 (&((struct drm_i915_private *)(obj)->base.dev->dev_private)->gtt.base)
2931 static inline bool i915_is_ggtt(struct i915_address_space
*vm
)
2933 struct i915_address_space
*ggtt
=
2934 &((struct drm_i915_private
*)(vm
)->dev
->dev_private
)->gtt
.base
;
2938 static inline struct i915_hw_ppgtt
*
2939 i915_vm_to_ppgtt(struct i915_address_space
*vm
)
2941 WARN_ON(i915_is_ggtt(vm
));
2943 return container_of(vm
, struct i915_hw_ppgtt
, base
);
2947 static inline bool i915_gem_obj_ggtt_bound(struct drm_i915_gem_object
*obj
)
2949 return i915_gem_obj_bound(obj
, i915_obj_to_ggtt(obj
));
2952 static inline unsigned long
2953 i915_gem_obj_ggtt_offset(struct drm_i915_gem_object
*obj
)
2955 return i915_gem_obj_offset(obj
, i915_obj_to_ggtt(obj
));
2958 static inline unsigned long
2959 i915_gem_obj_ggtt_size(struct drm_i915_gem_object
*obj
)
2961 return i915_gem_obj_size(obj
, i915_obj_to_ggtt(obj
));
2964 static inline int __must_check
2965 i915_gem_obj_ggtt_pin(struct drm_i915_gem_object
*obj
,
2969 return i915_gem_object_pin(obj
, i915_obj_to_ggtt(obj
),
2970 alignment
, flags
| PIN_GLOBAL
);
2974 i915_gem_object_ggtt_unbind(struct drm_i915_gem_object
*obj
)
2976 return i915_vma_unbind(i915_gem_obj_to_ggtt(obj
));
2979 void i915_gem_object_ggtt_unpin(struct drm_i915_gem_object
*obj
);
2981 /* i915_gem_context.c */
2982 int __must_check
i915_gem_context_init(struct drm_device
*dev
);
2983 void i915_gem_context_fini(struct drm_device
*dev
);
2984 void i915_gem_context_reset(struct drm_device
*dev
);
2985 int i915_gem_context_open(struct drm_device
*dev
, struct drm_file
*file
);
2986 int i915_gem_context_enable(struct drm_i915_private
*dev_priv
);
2987 void i915_gem_context_close(struct drm_device
*dev
, struct drm_file
*file
);
2988 int i915_switch_context(struct intel_engine_cs
*ring
,
2989 struct intel_context
*to
);
2990 struct intel_context
*
2991 i915_gem_context_get(struct drm_i915_file_private
*file_priv
, u32 id
);
2992 void i915_gem_context_free(struct kref
*ctx_ref
);
2993 struct drm_i915_gem_object
*
2994 i915_gem_alloc_context_obj(struct drm_device
*dev
, size_t size
);
2995 static inline void i915_gem_context_reference(struct intel_context
*ctx
)
2997 kref_get(&ctx
->ref
);
3000 static inline void i915_gem_context_unreference(struct intel_context
*ctx
)
3002 kref_put(&ctx
->ref
, i915_gem_context_free
);
3005 static inline bool i915_gem_context_is_default(const struct intel_context
*c
)
3007 return c
->user_handle
== DEFAULT_CONTEXT_HANDLE
;
3010 int i915_gem_context_create_ioctl(struct drm_device
*dev
, void *data
,
3011 struct drm_file
*file
);
3012 int i915_gem_context_destroy_ioctl(struct drm_device
*dev
, void *data
,
3013 struct drm_file
*file
);
3014 int i915_gem_context_getparam_ioctl(struct drm_device
*dev
, void *data
,
3015 struct drm_file
*file_priv
);
3016 int i915_gem_context_setparam_ioctl(struct drm_device
*dev
, void *data
,
3017 struct drm_file
*file_priv
);
3019 /* i915_gem_evict.c */
3020 int __must_check
i915_gem_evict_something(struct drm_device
*dev
,
3021 struct i915_address_space
*vm
,
3024 unsigned cache_level
,
3025 unsigned long start
,
3028 int i915_gem_evict_vm(struct i915_address_space
*vm
, bool do_idle
);
3029 int i915_gem_evict_everything(struct drm_device
*dev
);
3031 /* belongs in i915_gem_gtt.h */
3032 static inline void i915_gem_chipset_flush(struct drm_device
*dev
)
3034 if (INTEL_INFO(dev
)->gen
< 6)
3035 intel_gtt_chipset_flush();
3038 /* i915_gem_stolen.c */
3039 int i915_gem_init_stolen(struct drm_device
*dev
);
3040 int i915_gem_stolen_setup_compression(struct drm_device
*dev
, int size
, int fb_cpp
);
3041 void i915_gem_stolen_cleanup_compression(struct drm_device
*dev
);
3042 void i915_gem_cleanup_stolen(struct drm_device
*dev
);
3043 struct drm_i915_gem_object
*
3044 i915_gem_object_create_stolen(struct drm_device
*dev
, u32 size
);
3045 struct drm_i915_gem_object
*
3046 i915_gem_object_create_stolen_for_preallocated(struct drm_device
*dev
,
3051 /* i915_gem_tiling.c */
3052 static inline bool i915_gem_object_needs_bit17_swizzle(struct drm_i915_gem_object
*obj
)
3054 struct drm_i915_private
*dev_priv
= obj
->base
.dev
->dev_private
;
3056 return dev_priv
->mm
.bit_6_swizzle_x
== I915_BIT_6_SWIZZLE_9_10_17
&&
3057 obj
->tiling_mode
!= I915_TILING_NONE
;
3060 void i915_gem_detect_bit_6_swizzle(struct drm_device
*dev
);
3061 void i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object
*obj
);
3062 void i915_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object
*obj
);
3064 /* i915_gem_debug.c */
3066 int i915_verify_lists(struct drm_device
*dev
);
3068 #define i915_verify_lists(dev) 0
3071 /* i915_debugfs.c */
3072 int i915_debugfs_init(struct drm_minor
*minor
);
3073 void i915_debugfs_cleanup(struct drm_minor
*minor
);
3074 #ifdef CONFIG_DEBUG_FS
3075 void intel_display_crc_init(struct drm_device
*dev
);
3077 static inline void intel_display_crc_init(struct drm_device
*dev
) {}
3080 /* i915_gpu_error.c */
3082 void i915_error_printf(struct drm_i915_error_state_buf
*e
, const char *f
, ...);
3083 int i915_error_state_to_str(struct drm_i915_error_state_buf
*estr
,
3084 const struct i915_error_state_file_priv
*error
);
3085 int i915_error_state_buf_init(struct drm_i915_error_state_buf
*eb
,
3086 struct drm_i915_private
*i915
,
3087 size_t count
, loff_t pos
);
3088 static inline void i915_error_state_buf_release(
3089 struct drm_i915_error_state_buf
*eb
)
3093 void i915_capture_error_state(struct drm_device
*dev
, bool wedge
,
3094 const char *error_msg
);
3095 void i915_error_state_get(struct drm_device
*dev
,
3096 struct i915_error_state_file_priv
*error_priv
);
3097 void i915_error_state_put(struct i915_error_state_file_priv
*error_priv
);
3098 void i915_destroy_error_state(struct drm_device
*dev
);
3100 void i915_get_extra_instdone(struct drm_device
*dev
, uint32_t *instdone
);
3101 const char *i915_cache_level_str(struct drm_i915_private
*i915
, int type
);
3103 /* i915_gem_batch_pool.c */
3104 void i915_gem_batch_pool_init(struct drm_device
*dev
,
3105 struct i915_gem_batch_pool
*pool
);
3106 void i915_gem_batch_pool_fini(struct i915_gem_batch_pool
*pool
);
3107 struct drm_i915_gem_object
*
3108 i915_gem_batch_pool_get(struct i915_gem_batch_pool
*pool
, size_t size
);
3110 /* i915_cmd_parser.c */
3111 int i915_cmd_parser_get_version(void);
3112 int i915_cmd_parser_init_ring(struct intel_engine_cs
*ring
);
3113 void i915_cmd_parser_fini_ring(struct intel_engine_cs
*ring
);
3114 bool i915_needs_cmd_parser(struct intel_engine_cs
*ring
);
3115 int i915_parse_cmds(struct intel_engine_cs
*ring
,
3116 struct drm_i915_gem_object
*batch_obj
,
3117 struct drm_i915_gem_object
*shadow_batch_obj
,
3118 u32 batch_start_offset
,
3122 /* i915_suspend.c */
3123 extern int i915_save_state(struct drm_device
*dev
);
3124 extern int i915_restore_state(struct drm_device
*dev
);
3127 void i915_save_display_reg(struct drm_device
*dev
);
3128 void i915_restore_display_reg(struct drm_device
*dev
);
3131 void i915_setup_sysfs(struct drm_device
*dev_priv
);
3132 void i915_teardown_sysfs(struct drm_device
*dev_priv
);
3135 extern int intel_setup_gmbus(struct drm_device
*dev
);
3136 extern void intel_teardown_gmbus(struct drm_device
*dev
);
3137 static inline bool intel_gmbus_is_port_valid(unsigned port
)
3139 return (port
>= GMBUS_PORT_SSC
&& port
<= GMBUS_PORT_DPD
);
3142 extern struct i2c_adapter
*intel_gmbus_get_adapter(
3143 struct drm_i915_private
*dev_priv
, unsigned port
);
3144 extern void intel_gmbus_set_speed(struct i2c_adapter
*adapter
, int speed
);
3145 extern void intel_gmbus_force_bit(struct i2c_adapter
*adapter
, bool force_bit
);
3146 static inline bool intel_gmbus_is_forced_bit(struct i2c_adapter
*adapter
)
3148 return container_of(adapter
, struct intel_gmbus
, adapter
)->force_bit
;
3150 extern void intel_i2c_reset(struct drm_device
*dev
);
3152 /* intel_opregion.c */
3154 extern int intel_opregion_setup(struct drm_device
*dev
);
3155 extern void intel_opregion_init(struct drm_device
*dev
);
3156 extern void intel_opregion_fini(struct drm_device
*dev
);
3157 extern void intel_opregion_asle_intr(struct drm_device
*dev
);
3158 extern int intel_opregion_notify_encoder(struct intel_encoder
*intel_encoder
,
3160 extern int intel_opregion_notify_adapter(struct drm_device
*dev
,
3163 static inline int intel_opregion_setup(struct drm_device
*dev
) { return 0; }
3164 static inline void intel_opregion_init(struct drm_device
*dev
) { return; }
3165 static inline void intel_opregion_fini(struct drm_device
*dev
) { return; }
3166 static inline void intel_opregion_asle_intr(struct drm_device
*dev
) { return; }
3168 intel_opregion_notify_encoder(struct intel_encoder
*intel_encoder
, bool enable
)
3173 intel_opregion_notify_adapter(struct drm_device
*dev
, pci_power_t state
)
3181 extern void intel_register_dsm_handler(void);
3182 extern void intel_unregister_dsm_handler(void);
3184 static inline void intel_register_dsm_handler(void) { return; }
3185 static inline void intel_unregister_dsm_handler(void) { return; }
3186 #endif /* CONFIG_ACPI */
3189 extern void intel_modeset_init_hw(struct drm_device
*dev
);
3190 extern void intel_modeset_init(struct drm_device
*dev
);
3191 extern void intel_modeset_gem_init(struct drm_device
*dev
);
3192 extern void intel_modeset_cleanup(struct drm_device
*dev
);
3193 extern void intel_connector_unregister(struct intel_connector
*);
3194 extern int intel_modeset_vga_set_state(struct drm_device
*dev
, bool state
);
3195 extern void intel_modeset_setup_hw_state(struct drm_device
*dev
,
3196 bool force_restore
);
3197 extern void i915_redisable_vga(struct drm_device
*dev
);
3198 extern void i915_redisable_vga_power_on(struct drm_device
*dev
);
3199 extern bool ironlake_set_drps(struct drm_device
*dev
, u8 val
);
3200 extern void intel_init_pch_refclk(struct drm_device
*dev
);
3201 extern void intel_set_rps(struct drm_device
*dev
, u8 val
);
3202 extern void intel_set_memory_cxsr(struct drm_i915_private
*dev_priv
,
3204 extern void intel_detect_pch(struct drm_device
*dev
);
3205 extern int intel_trans_dp_port_sel(struct drm_crtc
*crtc
);
3206 extern int intel_enable_rc6(const struct drm_device
*dev
);
3208 extern bool i915_semaphore_is_enabled(struct drm_device
*dev
);
3209 int i915_reg_read_ioctl(struct drm_device
*dev
, void *data
,
3210 struct drm_file
*file
);
3211 int i915_get_reset_stats_ioctl(struct drm_device
*dev
, void *data
,
3212 struct drm_file
*file
);
3215 extern struct intel_overlay_error_state
*intel_overlay_capture_error_state(struct drm_device
*dev
);
3216 extern void intel_overlay_print_error_state(struct drm_i915_error_state_buf
*e
,
3217 struct intel_overlay_error_state
*error
);
3219 extern struct intel_display_error_state
*intel_display_capture_error_state(struct drm_device
*dev
);
3220 extern void intel_display_print_error_state(struct drm_i915_error_state_buf
*e
,
3221 struct drm_device
*dev
,
3222 struct intel_display_error_state
*error
);
3224 int sandybridge_pcode_read(struct drm_i915_private
*dev_priv
, u32 mbox
, u32
*val
);
3225 int sandybridge_pcode_write(struct drm_i915_private
*dev_priv
, u32 mbox
, u32 val
);
3227 /* intel_sideband.c */
3228 u32
vlv_punit_read(struct drm_i915_private
*dev_priv
, u32 addr
);
3229 void vlv_punit_write(struct drm_i915_private
*dev_priv
, u32 addr
, u32 val
);
3230 u32
vlv_nc_read(struct drm_i915_private
*dev_priv
, u8 addr
);
3231 u32
vlv_gpio_nc_read(struct drm_i915_private
*dev_priv
, u32 reg
);
3232 void vlv_gpio_nc_write(struct drm_i915_private
*dev_priv
, u32 reg
, u32 val
);
3233 u32
vlv_cck_read(struct drm_i915_private
*dev_priv
, u32 reg
);
3234 void vlv_cck_write(struct drm_i915_private
*dev_priv
, u32 reg
, u32 val
);
3235 u32
vlv_ccu_read(struct drm_i915_private
*dev_priv
, u32 reg
);
3236 void vlv_ccu_write(struct drm_i915_private
*dev_priv
, u32 reg
, u32 val
);
3237 u32
vlv_bunit_read(struct drm_i915_private
*dev_priv
, u32 reg
);
3238 void vlv_bunit_write(struct drm_i915_private
*dev_priv
, u32 reg
, u32 val
);
3239 u32
vlv_gps_core_read(struct drm_i915_private
*dev_priv
, u32 reg
);
3240 void vlv_gps_core_write(struct drm_i915_private
*dev_priv
, u32 reg
, u32 val
);
3241 u32
vlv_dpio_read(struct drm_i915_private
*dev_priv
, enum pipe pipe
, int reg
);
3242 void vlv_dpio_write(struct drm_i915_private
*dev_priv
, enum pipe pipe
, int reg
, u32 val
);
3243 u32
intel_sbi_read(struct drm_i915_private
*dev_priv
, u16 reg
,
3244 enum intel_sbi_destination destination
);
3245 void intel_sbi_write(struct drm_i915_private
*dev_priv
, u16 reg
, u32 value
,
3246 enum intel_sbi_destination destination
);
3247 u32
vlv_flisdsi_read(struct drm_i915_private
*dev_priv
, u32 reg
);
3248 void vlv_flisdsi_write(struct drm_i915_private
*dev_priv
, u32 reg
, u32 val
);
3250 int intel_gpu_freq(struct drm_i915_private
*dev_priv
, int val
);
3251 int intel_freq_opcode(struct drm_i915_private
*dev_priv
, int val
);
3253 #define I915_READ8(reg) dev_priv->uncore.funcs.mmio_readb(dev_priv, (reg), true)
3254 #define I915_WRITE8(reg, val) dev_priv->uncore.funcs.mmio_writeb(dev_priv, (reg), (val), true)
3256 #define I915_READ16(reg) dev_priv->uncore.funcs.mmio_readw(dev_priv, (reg), true)
3257 #define I915_WRITE16(reg, val) dev_priv->uncore.funcs.mmio_writew(dev_priv, (reg), (val), true)
3258 #define I915_READ16_NOTRACE(reg) dev_priv->uncore.funcs.mmio_readw(dev_priv, (reg), false)
3259 #define I915_WRITE16_NOTRACE(reg, val) dev_priv->uncore.funcs.mmio_writew(dev_priv, (reg), (val), false)
3261 #define I915_READ(reg) dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true)
3262 #define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
3263 #define I915_READ_NOTRACE(reg) dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), false)
3264 #define I915_WRITE_NOTRACE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), false)
3266 /* Be very careful with read/write 64-bit values. On 32-bit machines, they
3267 * will be implemented using 2 32-bit writes in an arbitrary order with
3268 * an arbitrary delay between them. This can cause the hardware to
3269 * act upon the intermediate value, possibly leading to corruption and
3270 * machine death. You have been warned.
3272 #define I915_WRITE64(reg, val) dev_priv->uncore.funcs.mmio_writeq(dev_priv, (reg), (val), true)
3273 #define I915_READ64(reg) dev_priv->uncore.funcs.mmio_readq(dev_priv, (reg), true)
3275 #define I915_READ64_2x32(lower_reg, upper_reg) ({ \
3276 u32 upper = I915_READ(upper_reg); \
3277 u32 lower = I915_READ(lower_reg); \
3278 u32 tmp = I915_READ(upper_reg); \
3279 if (upper != tmp) { \
3281 lower = I915_READ(lower_reg); \
3282 WARN_ON(I915_READ(upper_reg) != upper); \
3284 (u64)upper << 32 | lower; })
3286 #define POSTING_READ(reg) (void)I915_READ_NOTRACE(reg)
3287 #define POSTING_READ16(reg) (void)I915_READ16_NOTRACE(reg)
3289 /* "Broadcast RGB" property */
3290 #define INTEL_BROADCAST_RGB_AUTO 0
3291 #define INTEL_BROADCAST_RGB_FULL 1
3292 #define INTEL_BROADCAST_RGB_LIMITED 2
3294 static inline uint32_t i915_vgacntrl_reg(struct drm_device
*dev
)
3296 if (IS_VALLEYVIEW(dev
))
3297 return VLV_VGACNTRL
;
3298 else if (INTEL_INFO(dev
)->gen
>= 5)
3299 return CPU_VGACNTRL
;
3304 static inline void __user
*to_user_ptr(u64 address
)
3306 return (void __user
*)(uintptr_t)address
;
3309 static inline unsigned long msecs_to_jiffies_timeout(const unsigned int m
)
3311 unsigned long j
= msecs_to_jiffies(m
);
3313 return min_t(unsigned long, MAX_JIFFY_OFFSET
, j
+ 1);
3316 static inline unsigned long nsecs_to_jiffies_timeout(const u64 n
)
3318 return min_t(u64
, MAX_JIFFY_OFFSET
, nsecs_to_jiffies64(n
) + 1);
3321 static inline unsigned long
3322 timespec_to_jiffies_timeout(const struct timespec
*value
)
3324 unsigned long j
= timespec_to_jiffies(value
);
3326 return min_t(unsigned long, MAX_JIFFY_OFFSET
, j
+ 1);
3330 * If you need to wait X milliseconds between events A and B, but event B
3331 * doesn't happen exactly after event A, you record the timestamp (jiffies) of
3332 * when event A happened, then just before event B you call this function and
3333 * pass the timestamp as the first argument, and X as the second argument.
3336 wait_remaining_ms_from_jiffies(unsigned long timestamp_jiffies
, int to_wait_ms
)
3338 unsigned long target_jiffies
, tmp_jiffies
, remaining_jiffies
;
3341 * Don't re-read the value of "jiffies" every time since it may change
3342 * behind our back and break the math.
3344 tmp_jiffies
= jiffies
;
3345 target_jiffies
= timestamp_jiffies
+
3346 msecs_to_jiffies_timeout(to_wait_ms
);
3348 if (time_after(target_jiffies
, tmp_jiffies
)) {
3349 remaining_jiffies
= target_jiffies
- tmp_jiffies
;
3350 while (remaining_jiffies
)
3352 schedule_timeout_uninterruptible(remaining_jiffies
);
3356 static inline void i915_trace_irq_get(struct intel_engine_cs
*ring
,
3357 struct drm_i915_gem_request
*req
)
3359 if (ring
->trace_irq_req
== NULL
&& ring
->irq_get(ring
))
3360 i915_gem_request_assign(&ring
->trace_irq_req
, req
);