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>
36 #include "intel_bios.h"
37 #include "intel_ringbuffer.h"
38 #include <linux/io-mapping.h>
39 #include <linux/i2c.h>
40 #include <linux/i2c-algo-bit.h>
41 #include <drm/intel-gtt.h>
42 #include <linux/backlight.h>
43 #include <linux/intel-iommu.h>
44 #include <linux/kref.h>
45 #include <linux/pm_qos.h>
47 /* General customization:
50 #define DRIVER_AUTHOR "Tungsten Graphics, Inc."
52 #define DRIVER_NAME "i915"
53 #define DRIVER_DESC "Intel Graphics"
54 #define DRIVER_DATE "20080730"
63 #define pipe_name(p) ((p) + 'A')
71 #define transcoder_name(t) ((t) + 'A')
78 #define plane_name(p) ((p) + 'A')
80 #define sprite_name(p, s) ((p) * dev_priv->num_plane + (s) + 'A')
90 #define port_name(p) ((p) + 'A')
92 #define I915_NUM_PHYS_VLV 1
104 enum intel_display_power_domain
{
108 POWER_DOMAIN_PIPE_A_PANEL_FITTER
,
109 POWER_DOMAIN_PIPE_B_PANEL_FITTER
,
110 POWER_DOMAIN_PIPE_C_PANEL_FITTER
,
111 POWER_DOMAIN_TRANSCODER_A
,
112 POWER_DOMAIN_TRANSCODER_B
,
113 POWER_DOMAIN_TRANSCODER_C
,
114 POWER_DOMAIN_TRANSCODER_EDP
,
122 #define POWER_DOMAIN_MASK (BIT(POWER_DOMAIN_NUM) - 1)
124 #define POWER_DOMAIN_PIPE(pipe) ((pipe) + POWER_DOMAIN_PIPE_A)
125 #define POWER_DOMAIN_PIPE_PANEL_FITTER(pipe) \
126 ((pipe) + POWER_DOMAIN_PIPE_A_PANEL_FITTER)
127 #define POWER_DOMAIN_TRANSCODER(tran) \
128 ((tran) == TRANSCODER_EDP ? POWER_DOMAIN_TRANSCODER_EDP : \
129 (tran) + POWER_DOMAIN_TRANSCODER_A)
131 #define HSW_ALWAYS_ON_POWER_DOMAINS ( \
132 BIT(POWER_DOMAIN_PIPE_A) | \
133 BIT(POWER_DOMAIN_TRANSCODER_EDP))
134 #define BDW_ALWAYS_ON_POWER_DOMAINS ( \
135 BIT(POWER_DOMAIN_PIPE_A) | \
136 BIT(POWER_DOMAIN_TRANSCODER_EDP) | \
137 BIT(POWER_DOMAIN_PIPE_A_PANEL_FITTER))
141 HPD_PORT_A
= HPD_NONE
, /* PORT_A is internal */
142 HPD_TV
= HPD_NONE
, /* TV is known to be unreliable */
152 #define I915_GEM_GPU_DOMAINS \
153 (I915_GEM_DOMAIN_RENDER | \
154 I915_GEM_DOMAIN_SAMPLER | \
155 I915_GEM_DOMAIN_COMMAND | \
156 I915_GEM_DOMAIN_INSTRUCTION | \
157 I915_GEM_DOMAIN_VERTEX)
159 #define for_each_pipe(p) for ((p) = 0; (p) < INTEL_INFO(dev)->num_pipes; (p)++)
161 #define for_each_encoder_on_crtc(dev, __crtc, intel_encoder) \
162 list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \
163 if ((intel_encoder)->base.crtc == (__crtc))
165 struct drm_i915_private
;
168 DPLL_ID_PRIVATE
= -1, /* non-shared dpll in use */
169 /* real shared dpll ids must be >= 0 */
173 #define I915_NUM_PLLS 2
175 struct intel_dpll_hw_state
{
182 struct intel_shared_dpll
{
183 int refcount
; /* count of number of CRTCs sharing this PLL */
184 int active
; /* count of number of active CRTCs (i.e. DPMS on) */
185 bool on
; /* is the PLL actually active? Disabled during modeset */
187 /* should match the index in the dev_priv->shared_dplls array */
188 enum intel_dpll_id id
;
189 struct intel_dpll_hw_state hw_state
;
190 void (*mode_set
)(struct drm_i915_private
*dev_priv
,
191 struct intel_shared_dpll
*pll
);
192 void (*enable
)(struct drm_i915_private
*dev_priv
,
193 struct intel_shared_dpll
*pll
);
194 void (*disable
)(struct drm_i915_private
*dev_priv
,
195 struct intel_shared_dpll
*pll
);
196 bool (*get_hw_state
)(struct drm_i915_private
*dev_priv
,
197 struct intel_shared_dpll
*pll
,
198 struct intel_dpll_hw_state
*hw_state
);
201 /* Used by dp and fdi links */
202 struct intel_link_m_n
{
210 void intel_link_compute_m_n(int bpp
, int nlanes
,
211 int pixel_clock
, int link_clock
,
212 struct intel_link_m_n
*m_n
);
214 struct intel_ddi_plls
{
220 /* Interface history:
223 * 1.2: Add Power Management
224 * 1.3: Add vblank support
225 * 1.4: Fix cmdbuffer path, add heap destroy
226 * 1.5: Add vblank pipe configuration
227 * 1.6: - New ioctl for scheduling buffer swaps on vertical blank
228 * - Support vertical blank on secondary display pipe
230 #define DRIVER_MAJOR 1
231 #define DRIVER_MINOR 6
232 #define DRIVER_PATCHLEVEL 0
234 #define WATCH_LISTS 0
237 #define I915_GEM_PHYS_CURSOR_0 1
238 #define I915_GEM_PHYS_CURSOR_1 2
239 #define I915_GEM_PHYS_OVERLAY_REGS 3
240 #define I915_MAX_PHYS_OBJECT (I915_GEM_PHYS_OVERLAY_REGS)
242 struct drm_i915_gem_phys_object
{
244 struct page
**page_list
;
245 drm_dma_handle_t
*handle
;
246 struct drm_i915_gem_object
*cur_obj
;
249 struct opregion_header
;
250 struct opregion_acpi
;
251 struct opregion_swsci
;
252 struct opregion_asle
;
254 struct intel_opregion
{
255 struct opregion_header __iomem
*header
;
256 struct opregion_acpi __iomem
*acpi
;
257 struct opregion_swsci __iomem
*swsci
;
258 u32 swsci_gbda_sub_functions
;
259 u32 swsci_sbcb_sub_functions
;
260 struct opregion_asle __iomem
*asle
;
262 u32 __iomem
*lid_state
;
263 struct work_struct asle_work
;
265 #define OPREGION_SIZE (8*1024)
267 struct intel_overlay
;
268 struct intel_overlay_error_state
;
270 struct drm_i915_master_private
{
271 drm_local_map_t
*sarea
;
272 struct _drm_i915_sarea
*sarea_priv
;
274 #define I915_FENCE_REG_NONE -1
275 #define I915_MAX_NUM_FENCES 32
276 /* 32 fences + sign bit for FENCE_REG_NONE */
277 #define I915_MAX_NUM_FENCE_BITS 6
279 struct drm_i915_fence_reg
{
280 struct list_head lru_list
;
281 struct drm_i915_gem_object
*obj
;
285 struct sdvo_device_mapping
{
294 struct intel_display_error_state
;
296 struct drm_i915_error_state
{
304 bool waiting
[I915_NUM_RINGS
];
305 u32 pipestat
[I915_MAX_PIPES
];
306 u32 tail
[I915_NUM_RINGS
];
307 u32 head
[I915_NUM_RINGS
];
308 u32 ctl
[I915_NUM_RINGS
];
309 u32 ipeir
[I915_NUM_RINGS
];
310 u32 ipehr
[I915_NUM_RINGS
];
311 u32 instdone
[I915_NUM_RINGS
];
312 u32 acthd
[I915_NUM_RINGS
];
313 u32 semaphore_mboxes
[I915_NUM_RINGS
][I915_NUM_RINGS
- 1];
314 u32 semaphore_seqno
[I915_NUM_RINGS
][I915_NUM_RINGS
- 1];
315 u32 rc_psmi
[I915_NUM_RINGS
]; /* sleep state */
316 /* our own tracking of ring head and tail */
317 u32 cpu_ring_head
[I915_NUM_RINGS
];
318 u32 cpu_ring_tail
[I915_NUM_RINGS
];
319 u32 error
; /* gen6+ */
320 u32 err_int
; /* gen7 */
321 u32 bbstate
[I915_NUM_RINGS
];
322 u32 instpm
[I915_NUM_RINGS
];
323 u32 instps
[I915_NUM_RINGS
];
324 u32 extra_instdone
[I915_NUM_INSTDONE_REG
];
325 u32 seqno
[I915_NUM_RINGS
];
327 u32 fault_reg
[I915_NUM_RINGS
];
329 u32 faddr
[I915_NUM_RINGS
];
330 u64 fence
[I915_MAX_NUM_FENCES
];
332 struct drm_i915_error_ring
{
333 struct drm_i915_error_object
{
337 } *ringbuffer
, *batchbuffer
, *ctx
;
338 struct drm_i915_error_request
{
344 } ring
[I915_NUM_RINGS
];
345 struct drm_i915_error_buffer
{
352 s32 fence_reg
:I915_MAX_NUM_FENCE_BITS
;
359 } **active_bo
, **pinned_bo
;
360 u32
*active_bo_count
, *pinned_bo_count
;
361 struct intel_overlay_error_state
*overlay
;
362 struct intel_display_error_state
*display
;
363 int hangcheck_score
[I915_NUM_RINGS
];
364 enum intel_ring_hangcheck_action hangcheck_action
[I915_NUM_RINGS
];
367 struct intel_connector
;
368 struct intel_crtc_config
;
373 struct drm_i915_display_funcs
{
374 bool (*fbc_enabled
)(struct drm_device
*dev
);
375 void (*enable_fbc
)(struct drm_crtc
*crtc
, unsigned long interval
);
376 void (*disable_fbc
)(struct drm_device
*dev
);
377 int (*get_display_clock_speed
)(struct drm_device
*dev
);
378 int (*get_fifo_size
)(struct drm_device
*dev
, int plane
);
380 * find_dpll() - Find the best values for the PLL
381 * @limit: limits for the PLL
382 * @crtc: current CRTC
383 * @target: target frequency in kHz
384 * @refclk: reference clock frequency in kHz
385 * @match_clock: if provided, @best_clock P divider must
386 * match the P divider from @match_clock
387 * used for LVDS downclocking
388 * @best_clock: best PLL values found
390 * Returns true on success, false on failure.
392 bool (*find_dpll
)(const struct intel_limit
*limit
,
393 struct drm_crtc
*crtc
,
394 int target
, int refclk
,
395 struct dpll
*match_clock
,
396 struct dpll
*best_clock
);
397 void (*update_wm
)(struct drm_crtc
*crtc
);
398 void (*update_sprite_wm
)(struct drm_plane
*plane
,
399 struct drm_crtc
*crtc
,
400 uint32_t sprite_width
, int pixel_size
,
401 bool enable
, bool scaled
);
402 void (*modeset_global_resources
)(struct drm_device
*dev
);
403 /* Returns the active state of the crtc, and if the crtc is active,
404 * fills out the pipe-config with the hw state. */
405 bool (*get_pipe_config
)(struct intel_crtc
*,
406 struct intel_crtc_config
*);
407 int (*crtc_mode_set
)(struct drm_crtc
*crtc
,
409 struct drm_framebuffer
*old_fb
);
410 void (*crtc_enable
)(struct drm_crtc
*crtc
);
411 void (*crtc_disable
)(struct drm_crtc
*crtc
);
412 void (*off
)(struct drm_crtc
*crtc
);
413 void (*write_eld
)(struct drm_connector
*connector
,
414 struct drm_crtc
*crtc
,
415 struct drm_display_mode
*mode
);
416 void (*fdi_link_train
)(struct drm_crtc
*crtc
);
417 void (*init_clock_gating
)(struct drm_device
*dev
);
418 int (*queue_flip
)(struct drm_device
*dev
, struct drm_crtc
*crtc
,
419 struct drm_framebuffer
*fb
,
420 struct drm_i915_gem_object
*obj
,
422 int (*update_plane
)(struct drm_crtc
*crtc
, struct drm_framebuffer
*fb
,
424 void (*hpd_irq_setup
)(struct drm_device
*dev
);
425 /* clock updates for mode set */
427 /* render clock increase/decrease */
428 /* display clock increase/decrease */
429 /* pll clock increase/decrease */
431 int (*setup_backlight
)(struct intel_connector
*connector
);
432 uint32_t (*get_backlight
)(struct intel_connector
*connector
);
433 void (*set_backlight
)(struct intel_connector
*connector
,
435 void (*disable_backlight
)(struct intel_connector
*connector
);
436 void (*enable_backlight
)(struct intel_connector
*connector
);
439 struct intel_uncore_funcs
{
440 void (*force_wake_get
)(struct drm_i915_private
*dev_priv
,
442 void (*force_wake_put
)(struct drm_i915_private
*dev_priv
,
445 uint8_t (*mmio_readb
)(struct drm_i915_private
*dev_priv
, off_t offset
, bool trace
);
446 uint16_t (*mmio_readw
)(struct drm_i915_private
*dev_priv
, off_t offset
, bool trace
);
447 uint32_t (*mmio_readl
)(struct drm_i915_private
*dev_priv
, off_t offset
, bool trace
);
448 uint64_t (*mmio_readq
)(struct drm_i915_private
*dev_priv
, off_t offset
, bool trace
);
450 void (*mmio_writeb
)(struct drm_i915_private
*dev_priv
, off_t offset
,
451 uint8_t val
, bool trace
);
452 void (*mmio_writew
)(struct drm_i915_private
*dev_priv
, off_t offset
,
453 uint16_t val
, bool trace
);
454 void (*mmio_writel
)(struct drm_i915_private
*dev_priv
, off_t offset
,
455 uint32_t val
, bool trace
);
456 void (*mmio_writeq
)(struct drm_i915_private
*dev_priv
, off_t offset
,
457 uint64_t val
, bool trace
);
460 struct intel_uncore
{
461 spinlock_t lock
; /** lock is also taken in irq contexts. */
463 struct intel_uncore_funcs funcs
;
466 unsigned forcewake_count
;
468 unsigned fw_rendercount
;
469 unsigned fw_mediacount
;
471 struct delayed_work force_wake_work
;
474 #define DEV_INFO_FOR_EACH_FLAG(func, sep) \
475 func(is_mobile) sep \
478 func(is_i945gm) sep \
480 func(need_gfx_hws) sep \
482 func(is_pineview) sep \
483 func(is_broadwater) sep \
484 func(is_crestline) sep \
485 func(is_ivybridge) sep \
486 func(is_valleyview) sep \
487 func(is_haswell) sep \
488 func(is_preliminary) sep \
490 func(has_pipe_cxsr) sep \
491 func(has_hotplug) sep \
492 func(cursor_needs_physical) sep \
493 func(has_overlay) sep \
494 func(overlay_needs_physical) sep \
495 func(supports_tv) sep \
500 #define DEFINE_FLAG(name) u8 name:1
501 #define SEP_SEMICOLON ;
503 struct intel_device_info
{
504 u32 display_mmio_offset
;
507 u8 ring_mask
; /* Rings supported by the HW */
508 DEV_INFO_FOR_EACH_FLAG(DEFINE_FLAG
, SEP_SEMICOLON
);
514 enum i915_cache_level
{
516 I915_CACHE_LLC
, /* also used for snoopable memory on non-LLC */
517 I915_CACHE_L3_LLC
, /* gen7+, L3 sits between the domain specifc
518 caches, eg sampler/render caches, and the
519 large Last-Level-Cache. LLC is coherent with
520 the CPU, but L3 is only visible to the GPU. */
521 I915_CACHE_WT
, /* hsw:gt3e WriteThrough for scanouts */
524 typedef uint32_t gen6_gtt_pte_t
;
526 struct i915_address_space
{
528 struct drm_device
*dev
;
529 struct list_head global_link
;
530 unsigned long start
; /* Start offset always 0 for dri2 */
531 size_t total
; /* size addr space maps (ex. 2GB for ggtt) */
539 * List of objects currently involved in rendering.
541 * Includes buffers having the contents of their GPU caches
542 * flushed, not necessarily primitives. last_rendering_seqno
543 * represents when the rendering involved will be completed.
545 * A reference is held on the buffer while on this list.
547 struct list_head active_list
;
550 * LRU list of objects which are not in the ringbuffer and
551 * are ready to unbind, but are still in the GTT.
553 * last_rendering_seqno is 0 while an object is in this list.
555 * A reference is not held on the buffer while on this list,
556 * as merely being GTT-bound shouldn't prevent its being
557 * freed, and we'll pull it off the list in the free path.
559 struct list_head inactive_list
;
561 /* FIXME: Need a more generic return type */
562 gen6_gtt_pte_t (*pte_encode
)(dma_addr_t addr
,
563 enum i915_cache_level level
,
564 bool valid
); /* Create a valid PTE */
565 void (*clear_range
)(struct i915_address_space
*vm
,
566 unsigned int first_entry
,
567 unsigned int num_entries
,
569 void (*insert_entries
)(struct i915_address_space
*vm
,
571 unsigned int first_entry
,
572 enum i915_cache_level cache_level
);
573 void (*cleanup
)(struct i915_address_space
*vm
);
576 /* The Graphics Translation Table is the way in which GEN hardware translates a
577 * Graphics Virtual Address into a Physical Address. In addition to the normal
578 * collateral associated with any va->pa translations GEN hardware also has a
579 * portion of the GTT which can be mapped by the CPU and remain both coherent
580 * and correct (in cases like swizzling). That region is referred to as GMADR in
584 struct i915_address_space base
;
585 size_t stolen_size
; /* Total size of stolen memory */
587 unsigned long mappable_end
; /* End offset that we can CPU map */
588 struct io_mapping
*mappable
; /* Mapping to our CPU mappable region */
589 phys_addr_t mappable_base
; /* PA of our GMADR */
591 /** "Graphics Stolen Memory" holds the global PTEs */
599 int (*gtt_probe
)(struct drm_device
*dev
, size_t *gtt_total
,
600 size_t *stolen
, phys_addr_t
*mappable_base
,
601 unsigned long *mappable_end
);
603 #define gtt_total_entries(gtt) ((gtt).base.total >> PAGE_SHIFT)
605 struct i915_hw_ppgtt
{
606 struct i915_address_space base
;
607 unsigned num_pd_entries
;
609 struct page
**pt_pages
;
610 struct page
*gen8_pt_pages
;
612 struct page
*pd_pages
;
617 dma_addr_t pd_dma_addr
[4];
620 dma_addr_t
*pt_dma_addr
;
621 dma_addr_t
*gen8_pt_dma_addr
[4];
623 int (*enable
)(struct drm_device
*dev
);
627 * A VMA represents a GEM BO that is bound into an address space. Therefore, a
628 * VMA's presence cannot be guaranteed before binding, or after unbinding the
629 * object into/from the address space.
631 * To make things as simple as possible (ie. no refcounting), a VMA's lifetime
632 * will always be <= an objects lifetime. So object refcounting should cover us.
635 struct drm_mm_node node
;
636 struct drm_i915_gem_object
*obj
;
637 struct i915_address_space
*vm
;
639 /** This object's place on the active/inactive lists */
640 struct list_head mm_list
;
642 struct list_head vma_link
; /* Link in the object's VMA list */
644 /** This vma's place in the batchbuffer or on the eviction list */
645 struct list_head exec_list
;
648 * Used for performing relocations during execbuffer insertion.
650 struct hlist_node exec_node
;
651 unsigned long exec_handle
;
652 struct drm_i915_gem_exec_object2
*exec_entry
;
656 struct i915_ctx_hang_stats
{
657 /* This context had batch pending when hang was declared */
658 unsigned batch_pending
;
660 /* This context had batch active when hang was declared */
661 unsigned batch_active
;
663 /* Time when this context was last blamed for a GPU reset */
664 unsigned long guilty_ts
;
666 /* This context is banned to submit more work */
670 /* This must match up with the value previously used for execbuf2.rsvd1. */
671 #define DEFAULT_CONTEXT_ID 0
672 struct i915_hw_context
{
677 struct drm_i915_file_private
*file_priv
;
678 struct intel_ring_buffer
*ring
;
679 struct drm_i915_gem_object
*obj
;
680 struct i915_ctx_hang_stats hang_stats
;
682 struct list_head link
;
691 struct drm_mm_node
*compressed_fb
;
692 struct drm_mm_node
*compressed_llb
;
694 struct intel_fbc_work
{
695 struct delayed_work work
;
696 struct drm_crtc
*crtc
;
697 struct drm_framebuffer
*fb
;
702 FBC_OK
, /* FBC is enabled */
703 FBC_UNSUPPORTED
, /* FBC is not supported by this chipset */
704 FBC_NO_OUTPUT
, /* no outputs enabled to compress */
705 FBC_STOLEN_TOO_SMALL
, /* not enough space for buffers */
706 FBC_UNSUPPORTED_MODE
, /* interlace or doublescanned mode */
707 FBC_MODE_TOO_LARGE
, /* mode too large for compression */
708 FBC_BAD_PLANE
, /* fbc not supported on plane */
709 FBC_NOT_TILED
, /* buffer not tiled */
710 FBC_MULTIPLE_PIPES
, /* more than one pipe active */
712 FBC_CHIP_DEFAULT
, /* disabled by default on this chip */
722 PCH_NONE
= 0, /* No PCH present */
723 PCH_IBX
, /* Ibexpeak PCH */
724 PCH_CPT
, /* Cougarpoint PCH */
725 PCH_LPT
, /* Lynxpoint PCH */
729 enum intel_sbi_destination
{
734 #define QUIRK_PIPEA_FORCE (1<<0)
735 #define QUIRK_LVDS_SSC_DISABLE (1<<1)
736 #define QUIRK_INVERT_BRIGHTNESS (1<<2)
739 struct intel_fbc_work
;
742 struct i2c_adapter adapter
;
746 struct i2c_algo_bit_data bit_algo
;
747 struct drm_i915_private
*dev_priv
;
750 struct i915_suspend_saved_registers
{
771 u32 saveTRANS_HTOTAL_A
;
772 u32 saveTRANS_HBLANK_A
;
773 u32 saveTRANS_HSYNC_A
;
774 u32 saveTRANS_VTOTAL_A
;
775 u32 saveTRANS_VBLANK_A
;
776 u32 saveTRANS_VSYNC_A
;
784 u32 savePFIT_PGM_RATIOS
;
785 u32 saveBLC_HIST_CTL
;
787 u32 saveBLC_PWM_CTL2
;
788 u32 saveBLC_HIST_CTL_B
;
789 u32 saveBLC_CPU_PWM_CTL
;
790 u32 saveBLC_CPU_PWM_CTL2
;
803 u32 saveTRANS_HTOTAL_B
;
804 u32 saveTRANS_HBLANK_B
;
805 u32 saveTRANS_HSYNC_B
;
806 u32 saveTRANS_VTOTAL_B
;
807 u32 saveTRANS_VBLANK_B
;
808 u32 saveTRANS_VSYNC_B
;
822 u32 savePP_ON_DELAYS
;
823 u32 savePP_OFF_DELAYS
;
831 u32 savePFIT_CONTROL
;
832 u32 save_palette_a
[256];
833 u32 save_palette_b
[256];
834 u32 saveDPFC_CB_BASE
;
835 u32 saveFBC_CFB_BASE
;
838 u32 saveFBC_CONTROL2
;
848 u32 saveCACHE_MODE_0
;
849 u32 saveMI_ARB_STATE
;
860 uint64_t saveFENCE
[I915_MAX_NUM_FENCES
];
871 u32 savePIPEA_GMCH_DATA_M
;
872 u32 savePIPEB_GMCH_DATA_M
;
873 u32 savePIPEA_GMCH_DATA_N
;
874 u32 savePIPEB_GMCH_DATA_N
;
875 u32 savePIPEA_DP_LINK_M
;
876 u32 savePIPEB_DP_LINK_M
;
877 u32 savePIPEA_DP_LINK_N
;
878 u32 savePIPEB_DP_LINK_N
;
889 u32 savePCH_DREF_CONTROL
;
890 u32 saveDISP_ARB_CTL
;
891 u32 savePIPEA_DATA_M1
;
892 u32 savePIPEA_DATA_N1
;
893 u32 savePIPEA_LINK_M1
;
894 u32 savePIPEA_LINK_N1
;
895 u32 savePIPEB_DATA_M1
;
896 u32 savePIPEB_DATA_N1
;
897 u32 savePIPEB_LINK_M1
;
898 u32 savePIPEB_LINK_N1
;
899 u32 saveMCHBAR_RENDER_STANDBY
;
900 u32 savePCH_PORT_HOTPLUG
;
903 struct intel_gen6_power_mgmt
{
904 /* work and pm_iir are protected by dev_priv->irq_lock */
905 struct work_struct work
;
908 /* The below variables an all the rps hw state are protected by
909 * dev->struct mutext. */
919 enum { LOW_POWER
, BETWEEN
, HIGH_POWER
} power
;
922 struct delayed_work delayed_resume_work
;
925 * Protects RPS/RC6 register access and PCU communication.
926 * Must be taken after struct_mutex if nested.
928 struct mutex hw_lock
;
931 /* defined intel_pm.c */
932 extern spinlock_t mchdev_lock
;
934 struct intel_ilk_power_mgmt
{
942 unsigned long last_time1
;
943 unsigned long chipset_power
;
945 struct timespec last_time2
;
946 unsigned long gfx_power
;
952 struct drm_i915_gem_object
*pwrctx
;
953 struct drm_i915_gem_object
*renderctx
;
956 /* Power well structure for haswell */
957 struct i915_power_well
{
960 /* power well enable/disable usage count */
962 unsigned long domains
;
964 void (*set
)(struct drm_device
*dev
, struct i915_power_well
*power_well
,
966 bool (*is_enabled
)(struct drm_device
*dev
,
967 struct i915_power_well
*power_well
);
970 struct i915_power_domains
{
972 * Power wells needed for initialization at driver init and suspend
973 * time are on. They are kept on until after the first modeset.
976 int power_well_count
;
979 int domain_use_count
[POWER_DOMAIN_NUM
];
980 struct i915_power_well
*power_wells
;
983 struct i915_dri1_state
{
984 unsigned allow_batchbuffer
: 1;
985 u32 __iomem
*gfx_hws_cpu_addr
;
996 struct i915_ums_state
{
998 * Flag if the X Server, and thus DRM, is not currently in
999 * control of the device.
1001 * This is set between LeaveVT and EnterVT. It needs to be
1002 * replaced with a semaphore. It also needs to be
1003 * transitioned away from for kernel modesetting.
1008 #define MAX_L3_SLICES 2
1009 struct intel_l3_parity
{
1010 u32
*remap_info
[MAX_L3_SLICES
];
1011 struct work_struct error_work
;
1015 struct i915_gem_mm
{
1016 /** Memory allocator for GTT stolen memory */
1017 struct drm_mm stolen
;
1018 /** List of all objects in gtt_space. Used to restore gtt
1019 * mappings on resume */
1020 struct list_head bound_list
;
1022 * List of objects which are not bound to the GTT (thus
1023 * are idle and not used by the GPU) but still have
1024 * (presumably uncached) pages still attached.
1026 struct list_head unbound_list
;
1028 /** Usable portion of the GTT for GEM */
1029 unsigned long stolen_base
; /* limited to low memory (32-bit) */
1031 /** PPGTT used for aliasing the PPGTT with the GTT */
1032 struct i915_hw_ppgtt
*aliasing_ppgtt
;
1034 struct shrinker inactive_shrinker
;
1035 bool shrinker_no_lock_stealing
;
1037 /** LRU list of objects with fence regs on them. */
1038 struct list_head fence_list
;
1041 * We leave the user IRQ off as much as possible,
1042 * but this means that requests will finish and never
1043 * be retired once the system goes idle. Set a timer to
1044 * fire periodically while the ring is running. When it
1045 * fires, go retire requests.
1047 struct delayed_work retire_work
;
1050 * When we detect an idle GPU, we want to turn on
1051 * powersaving features. So once we see that there
1052 * are no more requests outstanding and no more
1053 * arrive within a small period of time, we fire
1054 * off the idle_work.
1056 struct delayed_work idle_work
;
1059 * Are we in a non-interruptible section of code like
1064 /** Bit 6 swizzling required for X tiling */
1065 uint32_t bit_6_swizzle_x
;
1066 /** Bit 6 swizzling required for Y tiling */
1067 uint32_t bit_6_swizzle_y
;
1069 /* storage for physical objects */
1070 struct drm_i915_gem_phys_object
*phys_objs
[I915_MAX_PHYS_OBJECT
];
1072 /* accounting, useful for userland debugging */
1073 spinlock_t object_stat_lock
;
1074 size_t object_memory
;
1078 struct drm_i915_error_state_buf
{
1087 struct i915_error_state_file_priv
{
1088 struct drm_device
*dev
;
1089 struct drm_i915_error_state
*error
;
1092 struct i915_gpu_error
{
1093 /* For hangcheck timer */
1094 #define DRM_I915_HANGCHECK_PERIOD 1500 /* in ms */
1095 #define DRM_I915_HANGCHECK_JIFFIES msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD)
1096 /* Hang gpu twice in this window and your context gets banned */
1097 #define DRM_I915_CTX_BAN_PERIOD DIV_ROUND_UP(8*DRM_I915_HANGCHECK_PERIOD, 1000)
1099 struct timer_list hangcheck_timer
;
1101 /* For reset and error_state handling. */
1103 /* Protected by the above dev->gpu_error.lock. */
1104 struct drm_i915_error_state
*first_error
;
1105 struct work_struct work
;
1108 unsigned long missed_irq_rings
;
1111 * State variable controlling the reset flow and count
1113 * This is a counter which gets incremented when reset is triggered,
1114 * and again when reset has been handled. So odd values (lowest bit set)
1115 * means that reset is in progress and even values that
1116 * (reset_counter >> 1):th reset was successfully completed.
1118 * If reset is not completed succesfully, the I915_WEDGE bit is
1119 * set meaning that hardware is terminally sour and there is no
1120 * recovery. All waiters on the reset_queue will be woken when
1123 * This counter is used by the wait_seqno code to notice that reset
1124 * event happened and it needs to restart the entire ioctl (since most
1125 * likely the seqno it waited for won't ever signal anytime soon).
1127 * This is important for lock-free wait paths, where no contended lock
1128 * naturally enforces the correct ordering between the bail-out of the
1129 * waiter and the gpu reset work code.
1131 atomic_t reset_counter
;
1133 #define I915_RESET_IN_PROGRESS_FLAG 1
1134 #define I915_WEDGED (1 << 31)
1137 * Waitqueue to signal when the reset has completed. Used by clients
1138 * that wait for dev_priv->mm.wedged to settle.
1140 wait_queue_head_t reset_queue
;
1142 /* For gpu hang simulation. */
1143 unsigned int stop_rings
;
1145 /* For missed irq/seqno simulation. */
1146 unsigned int test_irq_rings
;
1149 enum modeset_restore
{
1150 MODESET_ON_LID_OPEN
,
1155 struct ddi_vbt_port_info
{
1156 uint8_t hdmi_level_shift
;
1158 uint8_t supports_dvi
:1;
1159 uint8_t supports_hdmi
:1;
1160 uint8_t supports_dp
:1;
1163 struct intel_vbt_data
{
1164 struct drm_display_mode
*lfp_lvds_vbt_mode
; /* if any */
1165 struct drm_display_mode
*sdvo_lvds_vbt_mode
; /* if any */
1168 unsigned int int_tv_support
:1;
1169 unsigned int lvds_dither
:1;
1170 unsigned int lvds_vbt
:1;
1171 unsigned int int_crt_support
:1;
1172 unsigned int lvds_use_ssc
:1;
1173 unsigned int display_clock_mode
:1;
1174 unsigned int fdi_rx_polarity_inverted
:1;
1176 unsigned int bios_lvds_val
; /* initial [PCH_]LVDS reg val in VBIOS */
1181 int edp_preemphasis
;
1183 bool edp_initialized
;
1186 struct edp_power_seq edp_pps
;
1196 union child_device_config
*child_dev
;
1198 struct ddi_vbt_port_info ddi_port_info
[I915_MAX_PORTS
];
1201 enum intel_ddb_partitioning
{
1203 INTEL_DDB_PART_5_6
, /* IVB+ */
1206 struct intel_wm_level
{
1214 struct hsw_wm_values
{
1215 uint32_t wm_pipe
[3];
1217 uint32_t wm_lp_spr
[3];
1218 uint32_t wm_linetime
[3];
1220 enum intel_ddb_partitioning partitioning
;
1224 * This struct tracks the state needed for the Package C8+ feature.
1226 * Package states C8 and deeper are really deep PC states that can only be
1227 * reached when all the devices on the system allow it, so even if the graphics
1228 * device allows PC8+, it doesn't mean the system will actually get to these
1231 * Our driver only allows PC8+ when all the outputs are disabled, the power well
1232 * is disabled and the GPU is idle. When these conditions are met, we manually
1233 * do the other conditions: disable the interrupts, clocks and switch LCPLL
1236 * When we really reach PC8 or deeper states (not just when we allow it) we lose
1237 * the state of some registers, so when we come back from PC8+ we need to
1238 * restore this state. We don't get into PC8+ if we're not in RC6, so we don't
1239 * need to take care of the registers kept by RC6.
1241 * The interrupt disabling is part of the requirements. We can only leave the
1242 * PCH HPD interrupts enabled. If we're in PC8+ and we get another interrupt we
1243 * can lock the machine.
1245 * Ideally every piece of our code that needs PC8+ disabled would call
1246 * hsw_disable_package_c8, which would increment disable_count and prevent the
1247 * system from reaching PC8+. But we don't have a symmetric way to do this for
1248 * everything, so we have the requirements_met and gpu_idle variables. When we
1249 * switch requirements_met or gpu_idle to true we decrease disable_count, and
1250 * increase it in the opposite case. The requirements_met variable is true when
1251 * all the CRTCs, encoders and the power well are disabled. The gpu_idle
1252 * variable is true when the GPU is idle.
1254 * In addition to everything, we only actually enable PC8+ if disable_count
1255 * stays at zero for at least some seconds. This is implemented with the
1256 * enable_work variable. We do this so we don't enable/disable PC8 dozens of
1257 * consecutive times when all screens are disabled and some background app
1258 * queries the state of our connectors, or we have some application constantly
1259 * waking up to use the GPU. Only after the enable_work function actually
1260 * enables PC8+ the "enable" variable will become true, which means that it can
1261 * be false even if disable_count is 0.
1263 * The irqs_disabled variable becomes true exactly after we disable the IRQs and
1264 * goes back to false exactly before we reenable the IRQs. We use this variable
1265 * to check if someone is trying to enable/disable IRQs while they're supposed
1266 * to be disabled. This shouldn't happen and we'll print some error messages in
1267 * case it happens, but if it actually happens we'll also update the variables
1268 * inside struct regsave so when we restore the IRQs they will contain the
1269 * latest expected values.
1271 * For more, read "Display Sequences for Package C8" on our documentation.
1273 struct i915_package_c8
{
1274 bool requirements_met
;
1277 /* Only true after the delayed work task actually enables it. */
1281 struct delayed_work enable_work
;
1288 uint32_t gen6_pmimr
;
1292 struct i915_runtime_pm
{
1296 enum intel_pipe_crc_source
{
1297 INTEL_PIPE_CRC_SOURCE_NONE
,
1298 INTEL_PIPE_CRC_SOURCE_PLANE1
,
1299 INTEL_PIPE_CRC_SOURCE_PLANE2
,
1300 INTEL_PIPE_CRC_SOURCE_PF
,
1301 INTEL_PIPE_CRC_SOURCE_PIPE
,
1302 /* TV/DP on pre-gen5/vlv can't use the pipe source. */
1303 INTEL_PIPE_CRC_SOURCE_TV
,
1304 INTEL_PIPE_CRC_SOURCE_DP_B
,
1305 INTEL_PIPE_CRC_SOURCE_DP_C
,
1306 INTEL_PIPE_CRC_SOURCE_DP_D
,
1307 INTEL_PIPE_CRC_SOURCE_AUTO
,
1308 INTEL_PIPE_CRC_SOURCE_MAX
,
1311 struct intel_pipe_crc_entry
{
1316 #define INTEL_PIPE_CRC_ENTRIES_NR 128
1317 struct intel_pipe_crc
{
1319 bool opened
; /* exclusive access to the result file */
1320 struct intel_pipe_crc_entry
*entries
;
1321 enum intel_pipe_crc_source source
;
1323 wait_queue_head_t wq
;
1326 typedef struct drm_i915_private
{
1327 struct drm_device
*dev
;
1328 struct kmem_cache
*slab
;
1330 const struct intel_device_info
*info
;
1332 int relative_constants_mode
;
1336 struct intel_uncore uncore
;
1338 struct intel_gmbus gmbus
[GMBUS_NUM_PORTS
];
1341 /** gmbus_mutex protects against concurrent usage of the single hw gmbus
1342 * controller on different i2c buses. */
1343 struct mutex gmbus_mutex
;
1346 * Base address of the gmbus and gpio block.
1348 uint32_t gpio_mmio_base
;
1350 wait_queue_head_t gmbus_wait_queue
;
1352 struct pci_dev
*bridge_dev
;
1353 struct intel_ring_buffer ring
[I915_NUM_RINGS
];
1354 uint32_t last_seqno
, next_seqno
;
1356 drm_dma_handle_t
*status_page_dmah
;
1357 struct resource mch_res
;
1359 atomic_t irq_received
;
1361 /* protects the irq masks */
1362 spinlock_t irq_lock
;
1364 /* To control wakeup latency, e.g. for irq-driven dp aux transfers. */
1365 struct pm_qos_request pm_qos
;
1367 /* DPIO indirect register protection */
1368 struct mutex dpio_lock
;
1370 /** Cached value of IMR to avoid reads in updating the bitfield */
1373 u32 de_irq_mask
[I915_MAX_PIPES
];
1378 struct work_struct hotplug_work
;
1379 bool enable_hotplug_processing
;
1381 unsigned long hpd_last_jiffies
;
1386 HPD_MARK_DISABLED
= 2
1388 } hpd_stats
[HPD_NUM_PINS
];
1390 struct timer_list hotplug_reenable_timer
;
1394 struct i915_fbc fbc
;
1395 struct intel_opregion opregion
;
1396 struct intel_vbt_data vbt
;
1399 struct intel_overlay
*overlay
;
1400 unsigned int sprite_scaling_enabled
;
1402 /* backlight registers and fields in struct intel_panel */
1403 spinlock_t backlight_lock
;
1406 bool no_aux_handshake
;
1408 struct drm_i915_fence_reg fence_regs
[I915_MAX_NUM_FENCES
]; /* assume 965 */
1409 int fence_reg_start
; /* 4 if userland hasn't ioctl'd us yet */
1410 int num_fence_regs
; /* 8 on pre-965, 16 otherwise */
1412 unsigned int fsb_freq
, mem_freq
, is_ddr3
;
1415 * wq - Driver workqueue for GEM.
1417 * NOTE: Work items scheduled here are not allowed to grab any modeset
1418 * locks, for otherwise the flushing done in the pageflip code will
1419 * result in deadlocks.
1421 struct workqueue_struct
*wq
;
1423 /* Display functions */
1424 struct drm_i915_display_funcs display
;
1426 /* PCH chipset type */
1427 enum intel_pch pch_type
;
1428 unsigned short pch_id
;
1430 unsigned long quirks
;
1432 enum modeset_restore modeset_restore
;
1433 struct mutex modeset_restore_lock
;
1435 struct list_head vm_list
; /* Global list of all address spaces */
1436 struct i915_gtt gtt
; /* VMA representing the global address space */
1438 struct i915_gem_mm mm
;
1440 /* Kernel Modesetting */
1442 struct sdvo_device_mapping sdvo_mappings
[2];
1444 struct drm_crtc
*plane_to_crtc_mapping
[3];
1445 struct drm_crtc
*pipe_to_crtc_mapping
[3];
1446 wait_queue_head_t pending_flip_queue
;
1448 #ifdef CONFIG_DEBUG_FS
1449 struct intel_pipe_crc pipe_crc
[I915_MAX_PIPES
];
1452 int num_shared_dpll
;
1453 struct intel_shared_dpll shared_dplls
[I915_NUM_PLLS
];
1454 struct intel_ddi_plls ddi_plls
;
1455 int dpio_phy_iosf_port
[I915_NUM_PHYS_VLV
];
1457 /* Reclocking support */
1458 bool render_reclock_avail
;
1459 bool lvds_downclock_avail
;
1460 /* indicates the reduced downclock for LVDS*/
1464 bool mchbar_need_disable
;
1466 struct intel_l3_parity l3_parity
;
1468 /* Cannot be determined by PCIID. You must always read a register. */
1471 /* gen6+ rps state */
1472 struct intel_gen6_power_mgmt rps
;
1474 /* ilk-only ips/rps state. Everything in here is protected by the global
1475 * mchdev_lock in intel_pm.c */
1476 struct intel_ilk_power_mgmt ips
;
1478 struct i915_power_domains power_domains
;
1480 struct i915_psr psr
;
1482 struct i915_gpu_error gpu_error
;
1484 struct drm_i915_gem_object
*vlv_pctx
;
1486 #ifdef CONFIG_DRM_I915_FBDEV
1487 /* list of fbdev register on this device */
1488 struct intel_fbdev
*fbdev
;
1492 * The console may be contended at resume, but we don't
1493 * want it to block on it.
1495 struct work_struct console_resume_work
;
1497 struct drm_property
*broadcast_rgb_property
;
1498 struct drm_property
*force_audio_property
;
1500 uint32_t hw_context_size
;
1501 struct list_head context_list
;
1505 struct i915_suspend_saved_registers regfile
;
1509 * Raw watermark latency values:
1510 * in 0.1us units for WM0,
1511 * in 0.5us units for WM1+.
1514 uint16_t pri_latency
[5];
1516 uint16_t spr_latency
[5];
1518 uint16_t cur_latency
[5];
1520 /* current hardware state */
1521 struct hsw_wm_values hw
;
1524 struct i915_package_c8 pc8
;
1526 struct i915_runtime_pm pm
;
1528 /* Old dri1 support infrastructure, beware the dragons ya fools entering
1530 struct i915_dri1_state dri1
;
1531 /* Old ums support infrastructure, same warning applies. */
1532 struct i915_ums_state ums
;
1533 } drm_i915_private_t
;
1535 static inline struct drm_i915_private
*to_i915(const struct drm_device
*dev
)
1537 return dev
->dev_private
;
1540 /* Iterate over initialised rings */
1541 #define for_each_ring(ring__, dev_priv__, i__) \
1542 for ((i__) = 0; (i__) < I915_NUM_RINGS; (i__)++) \
1543 if (((ring__) = &(dev_priv__)->ring[(i__)]), intel_ring_initialized((ring__)))
1545 enum hdmi_force_audio
{
1546 HDMI_AUDIO_OFF_DVI
= -2, /* no aux data for HDMI-DVI converter */
1547 HDMI_AUDIO_OFF
, /* force turn off HDMI audio */
1548 HDMI_AUDIO_AUTO
, /* trust EDID */
1549 HDMI_AUDIO_ON
, /* force turn on HDMI audio */
1552 #define I915_GTT_OFFSET_NONE ((u32)-1)
1554 struct drm_i915_gem_object_ops
{
1555 /* Interface between the GEM object and its backing storage.
1556 * get_pages() is called once prior to the use of the associated set
1557 * of pages before to binding them into the GTT, and put_pages() is
1558 * called after we no longer need them. As we expect there to be
1559 * associated cost with migrating pages between the backing storage
1560 * and making them available for the GPU (e.g. clflush), we may hold
1561 * onto the pages after they are no longer referenced by the GPU
1562 * in case they may be used again shortly (for example migrating the
1563 * pages to a different memory domain within the GTT). put_pages()
1564 * will therefore most likely be called when the object itself is
1565 * being released or under memory pressure (where we attempt to
1566 * reap pages for the shrinker).
1568 int (*get_pages
)(struct drm_i915_gem_object
*);
1569 void (*put_pages
)(struct drm_i915_gem_object
*);
1572 struct drm_i915_gem_object
{
1573 struct drm_gem_object base
;
1575 const struct drm_i915_gem_object_ops
*ops
;
1577 /** List of VMAs backed by this object */
1578 struct list_head vma_list
;
1580 /** Stolen memory for this object, instead of being backed by shmem. */
1581 struct drm_mm_node
*stolen
;
1582 struct list_head global_list
;
1584 struct list_head ring_list
;
1585 /** Used in execbuf to temporarily hold a ref */
1586 struct list_head obj_exec_link
;
1589 * This is set if the object is on the active lists (has pending
1590 * rendering and so a non-zero seqno), and is not set if it i s on
1591 * inactive (ready to be unbound) list.
1593 unsigned int active
:1;
1596 * This is set if the object has been written to since last bound
1599 unsigned int dirty
:1;
1602 * Fence register bits (if any) for this object. Will be set
1603 * as needed when mapped into the GTT.
1604 * Protected by dev->struct_mutex.
1606 signed int fence_reg
:I915_MAX_NUM_FENCE_BITS
;
1609 * Advice: are the backing pages purgeable?
1611 unsigned int madv
:2;
1614 * Current tiling mode for the object.
1616 unsigned int tiling_mode
:2;
1618 * Whether the tiling parameters for the currently associated fence
1619 * register have changed. Note that for the purposes of tracking
1620 * tiling changes we also treat the unfenced register, the register
1621 * slot that the object occupies whilst it executes a fenced
1622 * command (such as BLT on gen2/3), as a "fence".
1624 unsigned int fence_dirty
:1;
1626 /** How many users have pinned this object in GTT space. The following
1627 * users can each hold at most one reference: pwrite/pread, pin_ioctl
1628 * (via user_pin_count), execbuffer (objects are not allowed multiple
1629 * times for the same batchbuffer), and the framebuffer code. When
1630 * switching/pageflipping, the framebuffer code has at most two buffers
1633 * In the worst case this is 1 + 1 + 1 + 2*2 = 7. That would fit into 3
1634 * bits with absolutely no headroom. So use 4 bits. */
1635 unsigned int pin_count
:4;
1636 #define DRM_I915_GEM_OBJECT_MAX_PIN_COUNT 0xf
1639 * Is the object at the current location in the gtt mappable and
1640 * fenceable? Used to avoid costly recalculations.
1642 unsigned int map_and_fenceable
:1;
1645 * Whether the current gtt mapping needs to be mappable (and isn't just
1646 * mappable by accident). Track pin and fault separate for a more
1647 * accurate mappable working set.
1649 unsigned int fault_mappable
:1;
1650 unsigned int pin_mappable
:1;
1651 unsigned int pin_display
:1;
1654 * Is the GPU currently using a fence to access this buffer,
1656 unsigned int pending_fenced_gpu_access
:1;
1657 unsigned int fenced_gpu_access
:1;
1659 unsigned int cache_level
:3;
1661 unsigned int has_aliasing_ppgtt_mapping
:1;
1662 unsigned int has_global_gtt_mapping
:1;
1663 unsigned int has_dma_mapping
:1;
1665 struct sg_table
*pages
;
1666 int pages_pin_count
;
1668 /* prime dma-buf support */
1669 void *dma_buf_vmapping
;
1672 struct intel_ring_buffer
*ring
;
1674 /** Breadcrumb of last rendering to the buffer. */
1675 uint32_t last_read_seqno
;
1676 uint32_t last_write_seqno
;
1677 /** Breadcrumb of last fenced GPU access to the buffer. */
1678 uint32_t last_fenced_seqno
;
1680 /** Current tiling stride for the object, if it's tiled. */
1683 /** References from framebuffers, locks out tiling changes. */
1684 unsigned long framebuffer_references
;
1686 /** Record of address bit 17 of each page at last unbind. */
1687 unsigned long *bit_17
;
1689 /** User space pin count and filp owning the pin */
1690 unsigned long user_pin_count
;
1691 struct drm_file
*pin_filp
;
1693 /** for phy allocated objects */
1694 struct drm_i915_gem_phys_object
*phys_obj
;
1696 #define to_gem_object(obj) (&((struct drm_i915_gem_object *)(obj))->base)
1698 #define to_intel_bo(x) container_of(x, struct drm_i915_gem_object, base)
1701 * Request queue structure.
1703 * The request queue allows us to note sequence numbers that have been emitted
1704 * and may be associated with active buffers to be retired.
1706 * By keeping this list, we can avoid having to do questionable
1707 * sequence-number comparisons on buffer last_rendering_seqnos, and associate
1708 * an emission time with seqnos for tracking how far ahead of the GPU we are.
1710 struct drm_i915_gem_request
{
1711 /** On Which ring this request was generated */
1712 struct intel_ring_buffer
*ring
;
1714 /** GEM sequence number associated with this request. */
1717 /** Position in the ringbuffer of the start of the request */
1720 /** Position in the ringbuffer of the end of the request */
1723 /** Context related to this request */
1724 struct i915_hw_context
*ctx
;
1726 /** Batch buffer related to this request if any */
1727 struct drm_i915_gem_object
*batch_obj
;
1729 /** Time at which this request was emitted, in jiffies. */
1730 unsigned long emitted_jiffies
;
1732 /** global list entry for this request */
1733 struct list_head list
;
1735 struct drm_i915_file_private
*file_priv
;
1736 /** file_priv list entry for this request */
1737 struct list_head client_list
;
1740 struct drm_i915_file_private
{
1741 struct drm_i915_private
*dev_priv
;
1745 struct list_head request_list
;
1746 struct delayed_work idle_work
;
1748 struct idr context_idr
;
1750 struct i915_ctx_hang_stats hang_stats
;
1751 atomic_t rps_wait_boost
;
1754 #define INTEL_INFO(dev) (to_i915(dev)->info)
1756 #define IS_I830(dev) ((dev)->pdev->device == 0x3577)
1757 #define IS_845G(dev) ((dev)->pdev->device == 0x2562)
1758 #define IS_I85X(dev) (INTEL_INFO(dev)->is_i85x)
1759 #define IS_I865G(dev) ((dev)->pdev->device == 0x2572)
1760 #define IS_I915G(dev) (INTEL_INFO(dev)->is_i915g)
1761 #define IS_I915GM(dev) ((dev)->pdev->device == 0x2592)
1762 #define IS_I945G(dev) ((dev)->pdev->device == 0x2772)
1763 #define IS_I945GM(dev) (INTEL_INFO(dev)->is_i945gm)
1764 #define IS_BROADWATER(dev) (INTEL_INFO(dev)->is_broadwater)
1765 #define IS_CRESTLINE(dev) (INTEL_INFO(dev)->is_crestline)
1766 #define IS_GM45(dev) ((dev)->pdev->device == 0x2A42)
1767 #define IS_G4X(dev) (INTEL_INFO(dev)->is_g4x)
1768 #define IS_PINEVIEW_G(dev) ((dev)->pdev->device == 0xa001)
1769 #define IS_PINEVIEW_M(dev) ((dev)->pdev->device == 0xa011)
1770 #define IS_PINEVIEW(dev) (INTEL_INFO(dev)->is_pineview)
1771 #define IS_G33(dev) (INTEL_INFO(dev)->is_g33)
1772 #define IS_IRONLAKE_M(dev) ((dev)->pdev->device == 0x0046)
1773 #define IS_IVYBRIDGE(dev) (INTEL_INFO(dev)->is_ivybridge)
1774 #define IS_IVB_GT1(dev) ((dev)->pdev->device == 0x0156 || \
1775 (dev)->pdev->device == 0x0152 || \
1776 (dev)->pdev->device == 0x015a)
1777 #define IS_SNB_GT1(dev) ((dev)->pdev->device == 0x0102 || \
1778 (dev)->pdev->device == 0x0106 || \
1779 (dev)->pdev->device == 0x010A)
1780 #define IS_VALLEYVIEW(dev) (INTEL_INFO(dev)->is_valleyview)
1781 #define IS_HASWELL(dev) (INTEL_INFO(dev)->is_haswell)
1782 #define IS_BROADWELL(dev) (INTEL_INFO(dev)->gen == 8)
1783 #define IS_MOBILE(dev) (INTEL_INFO(dev)->is_mobile)
1784 #define IS_HSW_EARLY_SDV(dev) (IS_HASWELL(dev) && \
1785 ((dev)->pdev->device & 0xFF00) == 0x0C00)
1786 #define IS_BDW_ULT(dev) (IS_BROADWELL(dev) && \
1787 (((dev)->pdev->device & 0xf) == 0x2 || \
1788 ((dev)->pdev->device & 0xf) == 0x6 || \
1789 ((dev)->pdev->device & 0xf) == 0xe))
1790 #define IS_HSW_ULT(dev) (IS_HASWELL(dev) && \
1791 ((dev)->pdev->device & 0xFF00) == 0x0A00)
1792 #define IS_ULT(dev) (IS_HSW_ULT(dev) || IS_BDW_ULT(dev))
1793 #define IS_HSW_GT3(dev) (IS_HASWELL(dev) && \
1794 ((dev)->pdev->device & 0x00F0) == 0x0020)
1795 #define IS_PRELIMINARY_HW(intel_info) ((intel_info)->is_preliminary)
1798 * The genX designation typically refers to the render engine, so render
1799 * capability related checks should use IS_GEN, while display and other checks
1800 * have their own (e.g. HAS_PCH_SPLIT for ILK+ display, IS_foo for particular
1803 #define IS_GEN2(dev) (INTEL_INFO(dev)->gen == 2)
1804 #define IS_GEN3(dev) (INTEL_INFO(dev)->gen == 3)
1805 #define IS_GEN4(dev) (INTEL_INFO(dev)->gen == 4)
1806 #define IS_GEN5(dev) (INTEL_INFO(dev)->gen == 5)
1807 #define IS_GEN6(dev) (INTEL_INFO(dev)->gen == 6)
1808 #define IS_GEN7(dev) (INTEL_INFO(dev)->gen == 7)
1809 #define IS_GEN8(dev) (INTEL_INFO(dev)->gen == 8)
1811 #define RENDER_RING (1<<RCS)
1812 #define BSD_RING (1<<VCS)
1813 #define BLT_RING (1<<BCS)
1814 #define VEBOX_RING (1<<VECS)
1815 #define HAS_BSD(dev) (INTEL_INFO(dev)->ring_mask & BSD_RING)
1816 #define HAS_BLT(dev) (INTEL_INFO(dev)->ring_mask & BLT_RING)
1817 #define HAS_VEBOX(dev) (INTEL_INFO(dev)->ring_mask & VEBOX_RING)
1818 #define HAS_LLC(dev) (INTEL_INFO(dev)->has_llc)
1819 #define HAS_WT(dev) (IS_HASWELL(dev) && to_i915(dev)->ellc_size)
1820 #define I915_NEED_GFX_HWS(dev) (INTEL_INFO(dev)->need_gfx_hws)
1822 #define HAS_HW_CONTEXTS(dev) (INTEL_INFO(dev)->gen >= 6)
1823 #define HAS_ALIASING_PPGTT(dev) (INTEL_INFO(dev)->gen >=6 && !IS_VALLEYVIEW(dev))
1825 #define HAS_OVERLAY(dev) (INTEL_INFO(dev)->has_overlay)
1826 #define OVERLAY_NEEDS_PHYSICAL(dev) (INTEL_INFO(dev)->overlay_needs_physical)
1828 /* Early gen2 have a totally busted CS tlb and require pinned batches. */
1829 #define HAS_BROKEN_CS_TLB(dev) (IS_I830(dev) || IS_845G(dev))
1831 /* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
1832 * rows, which changed the alignment requirements and fence programming.
1834 #define HAS_128_BYTE_Y_TILING(dev) (!IS_GEN2(dev) && !(IS_I915G(dev) || \
1836 #define SUPPORTS_DIGITAL_OUTPUTS(dev) (!IS_GEN2(dev) && !IS_PINEVIEW(dev))
1837 #define SUPPORTS_INTEGRATED_HDMI(dev) (IS_G4X(dev) || IS_GEN5(dev))
1838 #define SUPPORTS_INTEGRATED_DP(dev) (IS_G4X(dev) || IS_GEN5(dev))
1839 #define SUPPORTS_TV(dev) (INTEL_INFO(dev)->supports_tv)
1840 #define I915_HAS_HOTPLUG(dev) (INTEL_INFO(dev)->has_hotplug)
1842 #define HAS_FW_BLC(dev) (INTEL_INFO(dev)->gen > 2)
1843 #define HAS_PIPE_CXSR(dev) (INTEL_INFO(dev)->has_pipe_cxsr)
1844 #define I915_HAS_FBC(dev) (INTEL_INFO(dev)->has_fbc)
1846 #define HAS_IPS(dev) (IS_ULT(dev) || IS_BROADWELL(dev))
1848 #define HAS_DDI(dev) (INTEL_INFO(dev)->has_ddi)
1849 #define HAS_FPGA_DBG_UNCLAIMED(dev) (INTEL_INFO(dev)->has_fpga_dbg)
1850 #define HAS_PSR(dev) (IS_HASWELL(dev) || IS_BROADWELL(dev))
1851 #define HAS_PC8(dev) (IS_HASWELL(dev)) /* XXX HSW:ULX */
1852 #define HAS_RUNTIME_PM(dev) false
1854 #define INTEL_PCH_DEVICE_ID_MASK 0xff00
1855 #define INTEL_PCH_IBX_DEVICE_ID_TYPE 0x3b00
1856 #define INTEL_PCH_CPT_DEVICE_ID_TYPE 0x1c00
1857 #define INTEL_PCH_PPT_DEVICE_ID_TYPE 0x1e00
1858 #define INTEL_PCH_LPT_DEVICE_ID_TYPE 0x8c00
1859 #define INTEL_PCH_LPT_LP_DEVICE_ID_TYPE 0x9c00
1861 #define INTEL_PCH_TYPE(dev) (to_i915(dev)->pch_type)
1862 #define HAS_PCH_LPT(dev) (INTEL_PCH_TYPE(dev) == PCH_LPT)
1863 #define HAS_PCH_CPT(dev) (INTEL_PCH_TYPE(dev) == PCH_CPT)
1864 #define HAS_PCH_IBX(dev) (INTEL_PCH_TYPE(dev) == PCH_IBX)
1865 #define HAS_PCH_NOP(dev) (INTEL_PCH_TYPE(dev) == PCH_NOP)
1866 #define HAS_PCH_SPLIT(dev) (INTEL_PCH_TYPE(dev) != PCH_NONE)
1868 /* DPF == dynamic parity feature */
1869 #define HAS_L3_DPF(dev) (IS_IVYBRIDGE(dev) || IS_HASWELL(dev))
1870 #define NUM_L3_SLICES(dev) (IS_HSW_GT3(dev) ? 2 : HAS_L3_DPF(dev))
1872 #define GT_FREQUENCY_MULTIPLIER 50
1874 #include "i915_trace.h"
1876 extern const struct drm_ioctl_desc i915_ioctls
[];
1877 extern int i915_max_ioctl
;
1878 extern unsigned int i915_fbpercrtc __always_unused
;
1879 extern int i915_panel_ignore_lid __read_mostly
;
1880 extern unsigned int i915_powersave __read_mostly
;
1881 extern int i915_semaphores __read_mostly
;
1882 extern unsigned int i915_lvds_downclock __read_mostly
;
1883 extern int i915_lvds_channel_mode __read_mostly
;
1884 extern int i915_panel_use_ssc __read_mostly
;
1885 extern int i915_vbt_sdvo_panel_type __read_mostly
;
1886 extern int i915_enable_rc6 __read_mostly
;
1887 extern int i915_enable_fbc __read_mostly
;
1888 extern bool i915_enable_hangcheck __read_mostly
;
1889 extern int i915_enable_ppgtt __read_mostly
;
1890 extern int i915_enable_psr __read_mostly
;
1891 extern unsigned int i915_preliminary_hw_support __read_mostly
;
1892 extern int i915_disable_power_well __read_mostly
;
1893 extern int i915_enable_ips __read_mostly
;
1894 extern bool i915_fastboot __read_mostly
;
1895 extern int i915_enable_pc8 __read_mostly
;
1896 extern int i915_pc8_timeout __read_mostly
;
1897 extern bool i915_prefault_disable __read_mostly
;
1899 extern int i915_suspend(struct drm_device
*dev
, pm_message_t state
);
1900 extern int i915_resume(struct drm_device
*dev
);
1901 extern int i915_master_create(struct drm_device
*dev
, struct drm_master
*master
);
1902 extern void i915_master_destroy(struct drm_device
*dev
, struct drm_master
*master
);
1905 void i915_update_dri1_breadcrumb(struct drm_device
*dev
);
1906 extern void i915_kernel_lost_context(struct drm_device
* dev
);
1907 extern int i915_driver_load(struct drm_device
*, unsigned long flags
);
1908 extern int i915_driver_unload(struct drm_device
*);
1909 extern int i915_driver_open(struct drm_device
*dev
, struct drm_file
*file_priv
);
1910 extern void i915_driver_lastclose(struct drm_device
* dev
);
1911 extern void i915_driver_preclose(struct drm_device
*dev
,
1912 struct drm_file
*file_priv
);
1913 extern void i915_driver_postclose(struct drm_device
*dev
,
1914 struct drm_file
*file_priv
);
1915 extern int i915_driver_device_is_agp(struct drm_device
* dev
);
1916 #ifdef CONFIG_COMPAT
1917 extern long i915_compat_ioctl(struct file
*filp
, unsigned int cmd
,
1920 extern int i915_emit_box(struct drm_device
*dev
,
1921 struct drm_clip_rect
*box
,
1923 extern int intel_gpu_reset(struct drm_device
*dev
);
1924 extern int i915_reset(struct drm_device
*dev
);
1925 extern unsigned long i915_chipset_val(struct drm_i915_private
*dev_priv
);
1926 extern unsigned long i915_mch_val(struct drm_i915_private
*dev_priv
);
1927 extern unsigned long i915_gfx_val(struct drm_i915_private
*dev_priv
);
1928 extern void i915_update_gfx_val(struct drm_i915_private
*dev_priv
);
1930 extern void intel_console_resume(struct work_struct
*work
);
1933 void i915_queue_hangcheck(struct drm_device
*dev
);
1934 void i915_handle_error(struct drm_device
*dev
, bool wedged
);
1936 extern void intel_irq_init(struct drm_device
*dev
);
1937 extern void intel_pm_init(struct drm_device
*dev
);
1938 extern void intel_hpd_init(struct drm_device
*dev
);
1939 extern void intel_pm_init(struct drm_device
*dev
);
1941 extern void intel_uncore_sanitize(struct drm_device
*dev
);
1942 extern void intel_uncore_early_sanitize(struct drm_device
*dev
);
1943 extern void intel_uncore_init(struct drm_device
*dev
);
1944 extern void intel_uncore_check_errors(struct drm_device
*dev
);
1945 extern void intel_uncore_fini(struct drm_device
*dev
);
1948 i915_enable_pipestat(drm_i915_private_t
*dev_priv
, enum pipe pipe
, u32 mask
);
1951 i915_disable_pipestat(drm_i915_private_t
*dev_priv
, enum pipe pipe
, u32 mask
);
1954 int i915_gem_init_ioctl(struct drm_device
*dev
, void *data
,
1955 struct drm_file
*file_priv
);
1956 int i915_gem_create_ioctl(struct drm_device
*dev
, void *data
,
1957 struct drm_file
*file_priv
);
1958 int i915_gem_pread_ioctl(struct drm_device
*dev
, void *data
,
1959 struct drm_file
*file_priv
);
1960 int i915_gem_pwrite_ioctl(struct drm_device
*dev
, void *data
,
1961 struct drm_file
*file_priv
);
1962 int i915_gem_mmap_ioctl(struct drm_device
*dev
, void *data
,
1963 struct drm_file
*file_priv
);
1964 int i915_gem_mmap_gtt_ioctl(struct drm_device
*dev
, void *data
,
1965 struct drm_file
*file_priv
);
1966 int i915_gem_set_domain_ioctl(struct drm_device
*dev
, void *data
,
1967 struct drm_file
*file_priv
);
1968 int i915_gem_sw_finish_ioctl(struct drm_device
*dev
, void *data
,
1969 struct drm_file
*file_priv
);
1970 int i915_gem_execbuffer(struct drm_device
*dev
, void *data
,
1971 struct drm_file
*file_priv
);
1972 int i915_gem_execbuffer2(struct drm_device
*dev
, void *data
,
1973 struct drm_file
*file_priv
);
1974 int i915_gem_pin_ioctl(struct drm_device
*dev
, void *data
,
1975 struct drm_file
*file_priv
);
1976 int i915_gem_unpin_ioctl(struct drm_device
*dev
, void *data
,
1977 struct drm_file
*file_priv
);
1978 int i915_gem_busy_ioctl(struct drm_device
*dev
, void *data
,
1979 struct drm_file
*file_priv
);
1980 int i915_gem_get_caching_ioctl(struct drm_device
*dev
, void *data
,
1981 struct drm_file
*file
);
1982 int i915_gem_set_caching_ioctl(struct drm_device
*dev
, void *data
,
1983 struct drm_file
*file
);
1984 int i915_gem_throttle_ioctl(struct drm_device
*dev
, void *data
,
1985 struct drm_file
*file_priv
);
1986 int i915_gem_madvise_ioctl(struct drm_device
*dev
, void *data
,
1987 struct drm_file
*file_priv
);
1988 int i915_gem_entervt_ioctl(struct drm_device
*dev
, void *data
,
1989 struct drm_file
*file_priv
);
1990 int i915_gem_leavevt_ioctl(struct drm_device
*dev
, void *data
,
1991 struct drm_file
*file_priv
);
1992 int i915_gem_set_tiling(struct drm_device
*dev
, void *data
,
1993 struct drm_file
*file_priv
);
1994 int i915_gem_get_tiling(struct drm_device
*dev
, void *data
,
1995 struct drm_file
*file_priv
);
1996 int i915_gem_get_aperture_ioctl(struct drm_device
*dev
, void *data
,
1997 struct drm_file
*file_priv
);
1998 int i915_gem_wait_ioctl(struct drm_device
*dev
, void *data
,
1999 struct drm_file
*file_priv
);
2000 void i915_gem_load(struct drm_device
*dev
);
2001 void *i915_gem_object_alloc(struct drm_device
*dev
);
2002 void i915_gem_object_free(struct drm_i915_gem_object
*obj
);
2003 void i915_gem_object_init(struct drm_i915_gem_object
*obj
,
2004 const struct drm_i915_gem_object_ops
*ops
);
2005 struct drm_i915_gem_object
*i915_gem_alloc_object(struct drm_device
*dev
,
2007 void i915_gem_free_object(struct drm_gem_object
*obj
);
2008 void i915_gem_vma_destroy(struct i915_vma
*vma
);
2010 int __must_check
i915_gem_object_pin(struct drm_i915_gem_object
*obj
,
2011 struct i915_address_space
*vm
,
2013 bool map_and_fenceable
,
2015 void i915_gem_object_unpin(struct drm_i915_gem_object
*obj
);
2016 int __must_check
i915_vma_unbind(struct i915_vma
*vma
);
2017 int __must_check
i915_gem_object_ggtt_unbind(struct drm_i915_gem_object
*obj
);
2018 int i915_gem_object_put_pages(struct drm_i915_gem_object
*obj
);
2019 void i915_gem_release_mmap(struct drm_i915_gem_object
*obj
);
2020 void i915_gem_lastclose(struct drm_device
*dev
);
2022 int __must_check
i915_gem_object_get_pages(struct drm_i915_gem_object
*obj
);
2023 static inline struct page
*i915_gem_object_get_page(struct drm_i915_gem_object
*obj
, int n
)
2025 struct sg_page_iter sg_iter
;
2027 for_each_sg_page(obj
->pages
->sgl
, &sg_iter
, obj
->pages
->nents
, n
)
2028 return sg_page_iter_page(&sg_iter
);
2032 static inline void i915_gem_object_pin_pages(struct drm_i915_gem_object
*obj
)
2034 BUG_ON(obj
->pages
== NULL
);
2035 obj
->pages_pin_count
++;
2037 static inline void i915_gem_object_unpin_pages(struct drm_i915_gem_object
*obj
)
2039 BUG_ON(obj
->pages_pin_count
== 0);
2040 obj
->pages_pin_count
--;
2043 int __must_check
i915_mutex_lock_interruptible(struct drm_device
*dev
);
2044 int i915_gem_object_sync(struct drm_i915_gem_object
*obj
,
2045 struct intel_ring_buffer
*to
);
2046 void i915_vma_move_to_active(struct i915_vma
*vma
,
2047 struct intel_ring_buffer
*ring
);
2048 int i915_gem_dumb_create(struct drm_file
*file_priv
,
2049 struct drm_device
*dev
,
2050 struct drm_mode_create_dumb
*args
);
2051 int i915_gem_mmap_gtt(struct drm_file
*file_priv
, struct drm_device
*dev
,
2052 uint32_t handle
, uint64_t *offset
);
2054 * Returns true if seq1 is later than seq2.
2057 i915_seqno_passed(uint32_t seq1
, uint32_t seq2
)
2059 return (int32_t)(seq1
- seq2
) >= 0;
2062 int __must_check
i915_gem_get_seqno(struct drm_device
*dev
, u32
*seqno
);
2063 int __must_check
i915_gem_set_seqno(struct drm_device
*dev
, u32 seqno
);
2064 int __must_check
i915_gem_object_get_fence(struct drm_i915_gem_object
*obj
);
2065 int __must_check
i915_gem_object_put_fence(struct drm_i915_gem_object
*obj
);
2068 i915_gem_object_pin_fence(struct drm_i915_gem_object
*obj
)
2070 if (obj
->fence_reg
!= I915_FENCE_REG_NONE
) {
2071 struct drm_i915_private
*dev_priv
= obj
->base
.dev
->dev_private
;
2072 dev_priv
->fence_regs
[obj
->fence_reg
].pin_count
++;
2079 i915_gem_object_unpin_fence(struct drm_i915_gem_object
*obj
)
2081 if (obj
->fence_reg
!= I915_FENCE_REG_NONE
) {
2082 struct drm_i915_private
*dev_priv
= obj
->base
.dev
->dev_private
;
2083 WARN_ON(dev_priv
->fence_regs
[obj
->fence_reg
].pin_count
<= 0);
2084 dev_priv
->fence_regs
[obj
->fence_reg
].pin_count
--;
2088 bool i915_gem_retire_requests(struct drm_device
*dev
);
2089 void i915_gem_retire_requests_ring(struct intel_ring_buffer
*ring
);
2090 int __must_check
i915_gem_check_wedge(struct i915_gpu_error
*error
,
2091 bool interruptible
);
2092 static inline bool i915_reset_in_progress(struct i915_gpu_error
*error
)
2094 return unlikely(atomic_read(&error
->reset_counter
)
2095 & (I915_RESET_IN_PROGRESS_FLAG
| I915_WEDGED
));
2098 static inline bool i915_terminally_wedged(struct i915_gpu_error
*error
)
2100 return atomic_read(&error
->reset_counter
) & I915_WEDGED
;
2103 static inline u32
i915_reset_count(struct i915_gpu_error
*error
)
2105 return ((atomic_read(&error
->reset_counter
) & ~I915_WEDGED
) + 1) / 2;
2108 void i915_gem_reset(struct drm_device
*dev
);
2109 bool i915_gem_clflush_object(struct drm_i915_gem_object
*obj
, bool force
);
2110 int __must_check
i915_gem_object_finish_gpu(struct drm_i915_gem_object
*obj
);
2111 int __must_check
i915_gem_init(struct drm_device
*dev
);
2112 int __must_check
i915_gem_init_hw(struct drm_device
*dev
);
2113 int i915_gem_l3_remap(struct intel_ring_buffer
*ring
, int slice
);
2114 void i915_gem_init_swizzling(struct drm_device
*dev
);
2115 void i915_gem_cleanup_ringbuffer(struct drm_device
*dev
);
2116 int __must_check
i915_gpu_idle(struct drm_device
*dev
);
2117 int __must_check
i915_gem_suspend(struct drm_device
*dev
);
2118 int __i915_add_request(struct intel_ring_buffer
*ring
,
2119 struct drm_file
*file
,
2120 struct drm_i915_gem_object
*batch_obj
,
2122 #define i915_add_request(ring, seqno) \
2123 __i915_add_request(ring, NULL, NULL, seqno)
2124 int __must_check
i915_wait_seqno(struct intel_ring_buffer
*ring
,
2126 int i915_gem_fault(struct vm_area_struct
*vma
, struct vm_fault
*vmf
);
2128 i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object
*obj
,
2131 i915_gem_object_set_to_cpu_domain(struct drm_i915_gem_object
*obj
, bool write
);
2133 i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object
*obj
,
2135 struct intel_ring_buffer
*pipelined
);
2136 void i915_gem_object_unpin_from_display_plane(struct drm_i915_gem_object
*obj
);
2137 int i915_gem_attach_phys_object(struct drm_device
*dev
,
2138 struct drm_i915_gem_object
*obj
,
2141 void i915_gem_detach_phys_object(struct drm_device
*dev
,
2142 struct drm_i915_gem_object
*obj
);
2143 void i915_gem_free_all_phys_object(struct drm_device
*dev
);
2144 int i915_gem_open(struct drm_device
*dev
, struct drm_file
*file
);
2145 void i915_gem_release(struct drm_device
*dev
, struct drm_file
*file
);
2148 i915_gem_get_gtt_size(struct drm_device
*dev
, uint32_t size
, int tiling_mode
);
2150 i915_gem_get_gtt_alignment(struct drm_device
*dev
, uint32_t size
,
2151 int tiling_mode
, bool fenced
);
2153 int i915_gem_object_set_cache_level(struct drm_i915_gem_object
*obj
,
2154 enum i915_cache_level cache_level
);
2156 struct drm_gem_object
*i915_gem_prime_import(struct drm_device
*dev
,
2157 struct dma_buf
*dma_buf
);
2159 struct dma_buf
*i915_gem_prime_export(struct drm_device
*dev
,
2160 struct drm_gem_object
*gem_obj
, int flags
);
2162 void i915_gem_restore_fences(struct drm_device
*dev
);
2164 unsigned long i915_gem_obj_offset(struct drm_i915_gem_object
*o
,
2165 struct i915_address_space
*vm
);
2166 bool i915_gem_obj_bound_any(struct drm_i915_gem_object
*o
);
2167 bool i915_gem_obj_bound(struct drm_i915_gem_object
*o
,
2168 struct i915_address_space
*vm
);
2169 unsigned long i915_gem_obj_size(struct drm_i915_gem_object
*o
,
2170 struct i915_address_space
*vm
);
2171 struct i915_vma
*i915_gem_obj_to_vma(struct drm_i915_gem_object
*obj
,
2172 struct i915_address_space
*vm
);
2174 i915_gem_obj_lookup_or_create_vma(struct drm_i915_gem_object
*obj
,
2175 struct i915_address_space
*vm
);
2177 struct i915_vma
*i915_gem_obj_to_ggtt(struct drm_i915_gem_object
*obj
);
2179 /* Some GGTT VM helpers */
2180 #define obj_to_ggtt(obj) \
2181 (&((struct drm_i915_private *)(obj)->base.dev->dev_private)->gtt.base)
2182 static inline bool i915_is_ggtt(struct i915_address_space
*vm
)
2184 struct i915_address_space
*ggtt
=
2185 &((struct drm_i915_private
*)(vm
)->dev
->dev_private
)->gtt
.base
;
2189 static inline bool i915_gem_obj_ggtt_bound(struct drm_i915_gem_object
*obj
)
2191 return i915_gem_obj_bound(obj
, obj_to_ggtt(obj
));
2194 static inline unsigned long
2195 i915_gem_obj_ggtt_offset(struct drm_i915_gem_object
*obj
)
2197 return i915_gem_obj_offset(obj
, obj_to_ggtt(obj
));
2200 static inline unsigned long
2201 i915_gem_obj_ggtt_size(struct drm_i915_gem_object
*obj
)
2203 return i915_gem_obj_size(obj
, obj_to_ggtt(obj
));
2206 static inline int __must_check
2207 i915_gem_obj_ggtt_pin(struct drm_i915_gem_object
*obj
,
2209 bool map_and_fenceable
,
2212 return i915_gem_object_pin(obj
, obj_to_ggtt(obj
), alignment
,
2213 map_and_fenceable
, nonblocking
);
2216 /* i915_gem_context.c */
2217 int __must_check
i915_gem_context_init(struct drm_device
*dev
);
2218 void i915_gem_context_fini(struct drm_device
*dev
);
2219 void i915_gem_context_close(struct drm_device
*dev
, struct drm_file
*file
);
2220 int i915_switch_context(struct intel_ring_buffer
*ring
,
2221 struct drm_file
*file
, int to_id
);
2222 void i915_gem_context_free(struct kref
*ctx_ref
);
2223 static inline void i915_gem_context_reference(struct i915_hw_context
*ctx
)
2225 kref_get(&ctx
->ref
);
2228 static inline void i915_gem_context_unreference(struct i915_hw_context
*ctx
)
2230 kref_put(&ctx
->ref
, i915_gem_context_free
);
2233 struct i915_ctx_hang_stats
* __must_check
2234 i915_gem_context_get_hang_stats(struct drm_device
*dev
,
2235 struct drm_file
*file
,
2237 int i915_gem_context_create_ioctl(struct drm_device
*dev
, void *data
,
2238 struct drm_file
*file
);
2239 int i915_gem_context_destroy_ioctl(struct drm_device
*dev
, void *data
,
2240 struct drm_file
*file
);
2242 /* i915_gem_gtt.c */
2243 void i915_gem_cleanup_aliasing_ppgtt(struct drm_device
*dev
);
2244 void i915_ppgtt_bind_object(struct i915_hw_ppgtt
*ppgtt
,
2245 struct drm_i915_gem_object
*obj
,
2246 enum i915_cache_level cache_level
);
2247 void i915_ppgtt_unbind_object(struct i915_hw_ppgtt
*ppgtt
,
2248 struct drm_i915_gem_object
*obj
);
2250 void i915_check_and_clear_faults(struct drm_device
*dev
);
2251 void i915_gem_suspend_gtt_mappings(struct drm_device
*dev
);
2252 void i915_gem_restore_gtt_mappings(struct drm_device
*dev
);
2253 int __must_check
i915_gem_gtt_prepare_object(struct drm_i915_gem_object
*obj
);
2254 void i915_gem_gtt_bind_object(struct drm_i915_gem_object
*obj
,
2255 enum i915_cache_level cache_level
);
2256 void i915_gem_gtt_unbind_object(struct drm_i915_gem_object
*obj
);
2257 void i915_gem_gtt_finish_object(struct drm_i915_gem_object
*obj
);
2258 void i915_gem_init_global_gtt(struct drm_device
*dev
);
2259 void i915_gem_setup_global_gtt(struct drm_device
*dev
, unsigned long start
,
2260 unsigned long mappable_end
, unsigned long end
);
2261 int i915_gem_gtt_init(struct drm_device
*dev
);
2262 static inline void i915_gem_chipset_flush(struct drm_device
*dev
)
2264 if (INTEL_INFO(dev
)->gen
< 6)
2265 intel_gtt_chipset_flush();
2269 /* i915_gem_evict.c */
2270 int __must_check
i915_gem_evict_something(struct drm_device
*dev
,
2271 struct i915_address_space
*vm
,
2274 unsigned cache_level
,
2277 int i915_gem_evict_vm(struct i915_address_space
*vm
, bool do_idle
);
2278 int i915_gem_evict_everything(struct drm_device
*dev
);
2280 /* i915_gem_stolen.c */
2281 int i915_gem_init_stolen(struct drm_device
*dev
);
2282 int i915_gem_stolen_setup_compression(struct drm_device
*dev
, int size
);
2283 void i915_gem_stolen_cleanup_compression(struct drm_device
*dev
);
2284 void i915_gem_cleanup_stolen(struct drm_device
*dev
);
2285 struct drm_i915_gem_object
*
2286 i915_gem_object_create_stolen(struct drm_device
*dev
, u32 size
);
2287 struct drm_i915_gem_object
*
2288 i915_gem_object_create_stolen_for_preallocated(struct drm_device
*dev
,
2292 void i915_gem_object_release_stolen(struct drm_i915_gem_object
*obj
);
2294 /* i915_gem_tiling.c */
2295 static inline bool i915_gem_object_needs_bit17_swizzle(struct drm_i915_gem_object
*obj
)
2297 drm_i915_private_t
*dev_priv
= obj
->base
.dev
->dev_private
;
2299 return dev_priv
->mm
.bit_6_swizzle_x
== I915_BIT_6_SWIZZLE_9_10_17
&&
2300 obj
->tiling_mode
!= I915_TILING_NONE
;
2303 void i915_gem_detect_bit_6_swizzle(struct drm_device
*dev
);
2304 void i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object
*obj
);
2305 void i915_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object
*obj
);
2307 /* i915_gem_debug.c */
2309 int i915_verify_lists(struct drm_device
*dev
);
2311 #define i915_verify_lists(dev) 0
2314 /* i915_debugfs.c */
2315 int i915_debugfs_init(struct drm_minor
*minor
);
2316 void i915_debugfs_cleanup(struct drm_minor
*minor
);
2317 #ifdef CONFIG_DEBUG_FS
2318 void intel_display_crc_init(struct drm_device
*dev
);
2320 static inline void intel_display_crc_init(struct drm_device
*dev
) {}
2323 /* i915_gpu_error.c */
2325 void i915_error_printf(struct drm_i915_error_state_buf
*e
, const char *f
, ...);
2326 int i915_error_state_to_str(struct drm_i915_error_state_buf
*estr
,
2327 const struct i915_error_state_file_priv
*error
);
2328 int i915_error_state_buf_init(struct drm_i915_error_state_buf
*eb
,
2329 size_t count
, loff_t pos
);
2330 static inline void i915_error_state_buf_release(
2331 struct drm_i915_error_state_buf
*eb
)
2335 void i915_capture_error_state(struct drm_device
*dev
);
2336 void i915_error_state_get(struct drm_device
*dev
,
2337 struct i915_error_state_file_priv
*error_priv
);
2338 void i915_error_state_put(struct i915_error_state_file_priv
*error_priv
);
2339 void i915_destroy_error_state(struct drm_device
*dev
);
2341 void i915_get_extra_instdone(struct drm_device
*dev
, uint32_t *instdone
);
2342 const char *i915_cache_level_str(int type
);
2344 /* i915_suspend.c */
2345 extern int i915_save_state(struct drm_device
*dev
);
2346 extern int i915_restore_state(struct drm_device
*dev
);
2349 void i915_save_display_reg(struct drm_device
*dev
);
2350 void i915_restore_display_reg(struct drm_device
*dev
);
2353 void i915_setup_sysfs(struct drm_device
*dev_priv
);
2354 void i915_teardown_sysfs(struct drm_device
*dev_priv
);
2357 extern int intel_setup_gmbus(struct drm_device
*dev
);
2358 extern void intel_teardown_gmbus(struct drm_device
*dev
);
2359 static inline bool intel_gmbus_is_port_valid(unsigned port
)
2361 return (port
>= GMBUS_PORT_SSC
&& port
<= GMBUS_PORT_DPD
);
2364 extern struct i2c_adapter
*intel_gmbus_get_adapter(
2365 struct drm_i915_private
*dev_priv
, unsigned port
);
2366 extern void intel_gmbus_set_speed(struct i2c_adapter
*adapter
, int speed
);
2367 extern void intel_gmbus_force_bit(struct i2c_adapter
*adapter
, bool force_bit
);
2368 static inline bool intel_gmbus_is_forced_bit(struct i2c_adapter
*adapter
)
2370 return container_of(adapter
, struct intel_gmbus
, adapter
)->force_bit
;
2372 extern void intel_i2c_reset(struct drm_device
*dev
);
2374 /* intel_opregion.c */
2375 struct intel_encoder
;
2376 extern int intel_opregion_setup(struct drm_device
*dev
);
2378 extern void intel_opregion_init(struct drm_device
*dev
);
2379 extern void intel_opregion_fini(struct drm_device
*dev
);
2380 extern void intel_opregion_asle_intr(struct drm_device
*dev
);
2381 extern int intel_opregion_notify_encoder(struct intel_encoder
*intel_encoder
,
2383 extern int intel_opregion_notify_adapter(struct drm_device
*dev
,
2386 static inline void intel_opregion_init(struct drm_device
*dev
) { return; }
2387 static inline void intel_opregion_fini(struct drm_device
*dev
) { return; }
2388 static inline void intel_opregion_asle_intr(struct drm_device
*dev
) { return; }
2390 intel_opregion_notify_encoder(struct intel_encoder
*intel_encoder
, bool enable
)
2395 intel_opregion_notify_adapter(struct drm_device
*dev
, pci_power_t state
)
2403 extern void intel_register_dsm_handler(void);
2404 extern void intel_unregister_dsm_handler(void);
2406 static inline void intel_register_dsm_handler(void) { return; }
2407 static inline void intel_unregister_dsm_handler(void) { return; }
2408 #endif /* CONFIG_ACPI */
2411 extern void intel_modeset_init_hw(struct drm_device
*dev
);
2412 extern void intel_modeset_suspend_hw(struct drm_device
*dev
);
2413 extern void intel_modeset_init(struct drm_device
*dev
);
2414 extern void intel_modeset_gem_init(struct drm_device
*dev
);
2415 extern void intel_modeset_cleanup(struct drm_device
*dev
);
2416 extern int intel_modeset_vga_set_state(struct drm_device
*dev
, bool state
);
2417 extern void intel_modeset_setup_hw_state(struct drm_device
*dev
,
2418 bool force_restore
);
2419 extern void i915_redisable_vga(struct drm_device
*dev
);
2420 extern bool intel_fbc_enabled(struct drm_device
*dev
);
2421 extern void intel_disable_fbc(struct drm_device
*dev
);
2422 extern bool ironlake_set_drps(struct drm_device
*dev
, u8 val
);
2423 extern void intel_init_pch_refclk(struct drm_device
*dev
);
2424 extern void gen6_set_rps(struct drm_device
*dev
, u8 val
);
2425 extern void valleyview_set_rps(struct drm_device
*dev
, u8 val
);
2426 extern int valleyview_rps_max_freq(struct drm_i915_private
*dev_priv
);
2427 extern int valleyview_rps_min_freq(struct drm_i915_private
*dev_priv
);
2428 extern void intel_detect_pch(struct drm_device
*dev
);
2429 extern int intel_trans_dp_port_sel(struct drm_crtc
*crtc
);
2430 extern int intel_enable_rc6(const struct drm_device
*dev
);
2432 extern bool i915_semaphore_is_enabled(struct drm_device
*dev
);
2433 int i915_reg_read_ioctl(struct drm_device
*dev
, void *data
,
2434 struct drm_file
*file
);
2435 int i915_get_reset_stats_ioctl(struct drm_device
*dev
, void *data
,
2436 struct drm_file
*file
);
2439 extern struct intel_overlay_error_state
*intel_overlay_capture_error_state(struct drm_device
*dev
);
2440 extern void intel_overlay_print_error_state(struct drm_i915_error_state_buf
*e
,
2441 struct intel_overlay_error_state
*error
);
2443 extern struct intel_display_error_state
*intel_display_capture_error_state(struct drm_device
*dev
);
2444 extern void intel_display_print_error_state(struct drm_i915_error_state_buf
*e
,
2445 struct drm_device
*dev
,
2446 struct intel_display_error_state
*error
);
2448 /* On SNB platform, before reading ring registers forcewake bit
2449 * must be set to prevent GT core from power down and stale values being
2452 void gen6_gt_force_wake_get(struct drm_i915_private
*dev_priv
, int fw_engine
);
2453 void gen6_gt_force_wake_put(struct drm_i915_private
*dev_priv
, int fw_engine
);
2455 int sandybridge_pcode_read(struct drm_i915_private
*dev_priv
, u8 mbox
, u32
*val
);
2456 int sandybridge_pcode_write(struct drm_i915_private
*dev_priv
, u8 mbox
, u32 val
);
2458 /* intel_sideband.c */
2459 u32
vlv_punit_read(struct drm_i915_private
*dev_priv
, u8 addr
);
2460 void vlv_punit_write(struct drm_i915_private
*dev_priv
, u8 addr
, u32 val
);
2461 u32
vlv_nc_read(struct drm_i915_private
*dev_priv
, u8 addr
);
2462 u32
vlv_gpio_nc_read(struct drm_i915_private
*dev_priv
, u32 reg
);
2463 void vlv_gpio_nc_write(struct drm_i915_private
*dev_priv
, u32 reg
, u32 val
);
2464 u32
vlv_cck_read(struct drm_i915_private
*dev_priv
, u32 reg
);
2465 void vlv_cck_write(struct drm_i915_private
*dev_priv
, u32 reg
, u32 val
);
2466 u32
vlv_ccu_read(struct drm_i915_private
*dev_priv
, u32 reg
);
2467 void vlv_ccu_write(struct drm_i915_private
*dev_priv
, u32 reg
, u32 val
);
2468 u32
vlv_bunit_read(struct drm_i915_private
*dev_priv
, u32 reg
);
2469 void vlv_bunit_write(struct drm_i915_private
*dev_priv
, u32 reg
, u32 val
);
2470 u32
vlv_gps_core_read(struct drm_i915_private
*dev_priv
, u32 reg
);
2471 void vlv_gps_core_write(struct drm_i915_private
*dev_priv
, u32 reg
, u32 val
);
2472 u32
vlv_dpio_read(struct drm_i915_private
*dev_priv
, enum pipe pipe
, int reg
);
2473 void vlv_dpio_write(struct drm_i915_private
*dev_priv
, enum pipe pipe
, int reg
, u32 val
);
2474 u32
intel_sbi_read(struct drm_i915_private
*dev_priv
, u16 reg
,
2475 enum intel_sbi_destination destination
);
2476 void intel_sbi_write(struct drm_i915_private
*dev_priv
, u16 reg
, u32 value
,
2477 enum intel_sbi_destination destination
);
2479 int vlv_gpu_freq(struct drm_i915_private
*dev_priv
, int val
);
2480 int vlv_freq_opcode(struct drm_i915_private
*dev_priv
, int val
);
2482 void vlv_force_wake_get(struct drm_i915_private
*dev_priv
, int fw_engine
);
2483 void vlv_force_wake_put(struct drm_i915_private
*dev_priv
, int fw_engine
);
2485 #define FORCEWAKE_VLV_RENDER_RANGE_OFFSET(reg) \
2486 (((reg) >= 0x2000 && (reg) < 0x4000) ||\
2487 ((reg) >= 0x5000 && (reg) < 0x8000) ||\
2488 ((reg) >= 0xB000 && (reg) < 0x12000) ||\
2489 ((reg) >= 0x2E000 && (reg) < 0x30000))
2491 #define FORCEWAKE_VLV_MEDIA_RANGE_OFFSET(reg)\
2492 (((reg) >= 0x12000 && (reg) < 0x14000) ||\
2493 ((reg) >= 0x22000 && (reg) < 0x24000) ||\
2494 ((reg) >= 0x30000 && (reg) < 0x40000))
2496 #define FORCEWAKE_RENDER (1 << 0)
2497 #define FORCEWAKE_MEDIA (1 << 1)
2498 #define FORCEWAKE_ALL (FORCEWAKE_RENDER | FORCEWAKE_MEDIA)
2501 #define I915_READ8(reg) dev_priv->uncore.funcs.mmio_readb(dev_priv, (reg), true)
2502 #define I915_WRITE8(reg, val) dev_priv->uncore.funcs.mmio_writeb(dev_priv, (reg), (val), true)
2504 #define I915_READ16(reg) dev_priv->uncore.funcs.mmio_readw(dev_priv, (reg), true)
2505 #define I915_WRITE16(reg, val) dev_priv->uncore.funcs.mmio_writew(dev_priv, (reg), (val), true)
2506 #define I915_READ16_NOTRACE(reg) dev_priv->uncore.funcs.mmio_readw(dev_priv, (reg), false)
2507 #define I915_WRITE16_NOTRACE(reg, val) dev_priv->uncore.funcs.mmio_writew(dev_priv, (reg), (val), false)
2509 #define I915_READ(reg) dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), true)
2510 #define I915_WRITE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), true)
2511 #define I915_READ_NOTRACE(reg) dev_priv->uncore.funcs.mmio_readl(dev_priv, (reg), false)
2512 #define I915_WRITE_NOTRACE(reg, val) dev_priv->uncore.funcs.mmio_writel(dev_priv, (reg), (val), false)
2514 #define I915_WRITE64(reg, val) dev_priv->uncore.funcs.mmio_writeq(dev_priv, (reg), (val), true)
2515 #define I915_READ64(reg) dev_priv->uncore.funcs.mmio_readq(dev_priv, (reg), true)
2517 #define POSTING_READ(reg) (void)I915_READ_NOTRACE(reg)
2518 #define POSTING_READ16(reg) (void)I915_READ16_NOTRACE(reg)
2520 /* "Broadcast RGB" property */
2521 #define INTEL_BROADCAST_RGB_AUTO 0
2522 #define INTEL_BROADCAST_RGB_FULL 1
2523 #define INTEL_BROADCAST_RGB_LIMITED 2
2525 static inline uint32_t i915_vgacntrl_reg(struct drm_device
*dev
)
2527 if (HAS_PCH_SPLIT(dev
))
2528 return CPU_VGACNTRL
;
2529 else if (IS_VALLEYVIEW(dev
))
2530 return VLV_VGACNTRL
;
2535 static inline void __user
*to_user_ptr(u64 address
)
2537 return (void __user
*)(uintptr_t)address
;
2540 static inline unsigned long msecs_to_jiffies_timeout(const unsigned int m
)
2542 unsigned long j
= msecs_to_jiffies(m
);
2544 return min_t(unsigned long, MAX_JIFFY_OFFSET
, j
+ 1);
2547 static inline unsigned long
2548 timespec_to_jiffies_timeout(const struct timespec
*value
)
2550 unsigned long j
= timespec_to_jiffies(value
);
2552 return min_t(unsigned long, MAX_JIFFY_OFFSET
, j
+ 1);