2 * Copyright © 2008 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
24 * Eric Anholt <eric@anholt.net>
25 * Keith Packard <keithp@keithp.com>
29 #include <linux/seq_file.h>
30 #include <linux/debugfs.h>
31 #include <linux/slab.h>
34 #include "intel_drv.h"
38 #define DRM_I915_RING_DEBUG 1
41 #if defined(CONFIG_DEBUG_FS)
44 #define FLUSHING_LIST 2
45 #define INACTIVE_LIST 3
47 static const char *yesno(int v
)
49 return v
? "yes" : "no";
52 static int i915_capabilities(struct seq_file
*m
, void *data
)
54 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
55 struct drm_device
*dev
= node
->minor
->dev
;
56 const struct intel_device_info
*info
= INTEL_INFO(dev
);
58 seq_printf(m
, "gen: %d\n", info
->gen
);
59 #define B(x) seq_printf(m, #x ": %s\n", yesno(info->x))
79 B(cursor_needs_physical
);
81 B(overlay_needs_physical
);
87 static const char *get_pin_flag(struct drm_i915_gem_object
*obj_priv
)
89 if (obj_priv
->user_pin_count
> 0)
91 else if (obj_priv
->pin_count
> 0)
97 static const char *get_tiling_flag(struct drm_i915_gem_object
*obj_priv
)
99 switch (obj_priv
->tiling_mode
) {
101 case I915_TILING_NONE
: return " ";
102 case I915_TILING_X
: return "X";
103 case I915_TILING_Y
: return "Y";
108 describe_obj(struct seq_file
*m
, struct drm_i915_gem_object
*obj
)
110 seq_printf(m
, "%p: %s%s %8zd %08x %08x %d%s%s",
113 get_tiling_flag(obj
),
115 obj
->base
.read_domains
,
116 obj
->base
.write_domain
,
117 obj
->last_rendering_seqno
,
118 obj
->dirty
? " dirty" : "",
119 obj
->madv
== I915_MADV_DONTNEED
? " purgeable" : "");
121 seq_printf(m
, " (name: %d)", obj
->base
.name
);
122 if (obj
->fence_reg
!= I915_FENCE_REG_NONE
)
123 seq_printf(m
, " (fence: %d)", obj
->fence_reg
);
124 if (obj
->gtt_space
!= NULL
)
125 seq_printf(m
, " (gtt_offset: %08x)", obj
->gtt_offset
);
128 static int i915_gem_object_list_info(struct seq_file
*m
, void *data
)
130 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
131 uintptr_t list
= (uintptr_t) node
->info_ent
->data
;
132 struct list_head
*head
;
133 struct drm_device
*dev
= node
->minor
->dev
;
134 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
135 struct drm_i915_gem_object
*obj_priv
;
138 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
144 seq_printf(m
, "Active:\n");
145 head
= &dev_priv
->render_ring
.active_list
;
148 seq_printf(m
, "Inactive:\n");
149 head
= &dev_priv
->mm
.inactive_list
;
152 seq_printf(m
, "Flushing:\n");
153 head
= &dev_priv
->mm
.flushing_list
;
156 mutex_unlock(&dev
->struct_mutex
);
160 list_for_each_entry(obj_priv
, head
, list
) {
162 describe_obj(m
, obj_priv
);
166 mutex_unlock(&dev
->struct_mutex
);
170 static int i915_gem_pageflip_info(struct seq_file
*m
, void *data
)
172 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
173 struct drm_device
*dev
= node
->minor
->dev
;
175 struct intel_crtc
*crtc
;
177 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, base
.head
) {
178 const char *pipe
= crtc
->pipe
? "B" : "A";
179 const char *plane
= crtc
->plane
? "B" : "A";
180 struct intel_unpin_work
*work
;
182 spin_lock_irqsave(&dev
->event_lock
, flags
);
183 work
= crtc
->unpin_work
;
185 seq_printf(m
, "No flip due on pipe %s (plane %s)\n",
188 if (!work
->pending
) {
189 seq_printf(m
, "Flip queued on pipe %s (plane %s)\n",
192 seq_printf(m
, "Flip pending (waiting for vsync) on pipe %s (plane %s)\n",
195 if (work
->enable_stall_check
)
196 seq_printf(m
, "Stall check enabled, ");
198 seq_printf(m
, "Stall check waiting for page flip ioctl, ");
199 seq_printf(m
, "%d prepares\n", work
->pending
);
201 if (work
->old_fb_obj
) {
202 struct drm_i915_gem_object
*obj_priv
= to_intel_bo(work
->old_fb_obj
);
204 seq_printf(m
, "Old framebuffer gtt_offset 0x%08x\n", obj_priv
->gtt_offset
);
206 if (work
->pending_flip_obj
) {
207 struct drm_i915_gem_object
*obj_priv
= to_intel_bo(work
->pending_flip_obj
);
209 seq_printf(m
, "New framebuffer gtt_offset 0x%08x\n", obj_priv
->gtt_offset
);
212 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
218 static int i915_gem_request_info(struct seq_file
*m
, void *data
)
220 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
221 struct drm_device
*dev
= node
->minor
->dev
;
222 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
223 struct drm_i915_gem_request
*gem_request
;
226 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
230 seq_printf(m
, "Request:\n");
231 list_for_each_entry(gem_request
, &dev_priv
->render_ring
.request_list
,
233 seq_printf(m
, " %d @ %d\n",
235 (int) (jiffies
- gem_request
->emitted_jiffies
));
237 mutex_unlock(&dev
->struct_mutex
);
242 static int i915_gem_seqno_info(struct seq_file
*m
, void *data
)
244 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
245 struct drm_device
*dev
= node
->minor
->dev
;
246 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
249 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
253 if (dev_priv
->render_ring
.status_page
.page_addr
!= NULL
) {
254 seq_printf(m
, "Current sequence: %d\n",
255 i915_get_gem_seqno(dev
, &dev_priv
->render_ring
));
257 seq_printf(m
, "Current sequence: hws uninitialized\n");
259 seq_printf(m
, "Waiter sequence: %d\n",
260 dev_priv
->mm
.waiting_gem_seqno
);
261 seq_printf(m
, "IRQ sequence: %d\n", dev_priv
->mm
.irq_gem_seqno
);
263 mutex_unlock(&dev
->struct_mutex
);
269 static int i915_interrupt_info(struct seq_file
*m
, void *data
)
271 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
272 struct drm_device
*dev
= node
->minor
->dev
;
273 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
276 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
280 if (!HAS_PCH_SPLIT(dev
)) {
281 seq_printf(m
, "Interrupt enable: %08x\n",
283 seq_printf(m
, "Interrupt identity: %08x\n",
285 seq_printf(m
, "Interrupt mask: %08x\n",
287 seq_printf(m
, "Pipe A stat: %08x\n",
288 I915_READ(PIPEASTAT
));
289 seq_printf(m
, "Pipe B stat: %08x\n",
290 I915_READ(PIPEBSTAT
));
292 seq_printf(m
, "North Display Interrupt enable: %08x\n",
294 seq_printf(m
, "North Display Interrupt identity: %08x\n",
296 seq_printf(m
, "North Display Interrupt mask: %08x\n",
298 seq_printf(m
, "South Display Interrupt enable: %08x\n",
300 seq_printf(m
, "South Display Interrupt identity: %08x\n",
302 seq_printf(m
, "South Display Interrupt mask: %08x\n",
304 seq_printf(m
, "Graphics Interrupt enable: %08x\n",
306 seq_printf(m
, "Graphics Interrupt identity: %08x\n",
308 seq_printf(m
, "Graphics Interrupt mask: %08x\n",
311 seq_printf(m
, "Interrupts received: %d\n",
312 atomic_read(&dev_priv
->irq_received
));
313 if (dev_priv
->render_ring
.status_page
.page_addr
!= NULL
) {
314 seq_printf(m
, "Current sequence: %d\n",
315 i915_get_gem_seqno(dev
, &dev_priv
->render_ring
));
317 seq_printf(m
, "Current sequence: hws uninitialized\n");
319 seq_printf(m
, "Waiter sequence: %d\n",
320 dev_priv
->mm
.waiting_gem_seqno
);
321 seq_printf(m
, "IRQ sequence: %d\n",
322 dev_priv
->mm
.irq_gem_seqno
);
323 mutex_unlock(&dev
->struct_mutex
);
328 static int i915_gem_fence_regs_info(struct seq_file
*m
, void *data
)
330 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
331 struct drm_device
*dev
= node
->minor
->dev
;
332 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
335 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
339 seq_printf(m
, "Reserved fences = %d\n", dev_priv
->fence_reg_start
);
340 seq_printf(m
, "Total fences = %d\n", dev_priv
->num_fence_regs
);
341 for (i
= 0; i
< dev_priv
->num_fence_regs
; i
++) {
342 struct drm_gem_object
*obj
= dev_priv
->fence_regs
[i
].obj
;
345 seq_printf(m
, "Fenced object[%2d] = unused\n", i
);
347 struct drm_i915_gem_object
*obj_priv
;
349 obj_priv
= to_intel_bo(obj
);
350 seq_printf(m
, "Fenced object[%2d] = %p: %s "
351 "%08x %08zx %08x %s %08x %08x %d",
352 i
, obj
, get_pin_flag(obj_priv
),
353 obj_priv
->gtt_offset
,
354 obj
->size
, obj_priv
->stride
,
355 get_tiling_flag(obj_priv
),
356 obj
->read_domains
, obj
->write_domain
,
357 obj_priv
->last_rendering_seqno
);
359 seq_printf(m
, " (name: %d)", obj
->name
);
363 mutex_unlock(&dev
->struct_mutex
);
368 static int i915_hws_info(struct seq_file
*m
, void *data
)
370 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
371 struct drm_device
*dev
= node
->minor
->dev
;
372 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
376 hws
= (volatile u32
*)dev_priv
->render_ring
.status_page
.page_addr
;
380 for (i
= 0; i
< 4096 / sizeof(u32
) / 4; i
+= 4) {
381 seq_printf(m
, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
383 hws
[i
], hws
[i
+ 1], hws
[i
+ 2], hws
[i
+ 3]);
388 static void i915_dump_pages(struct seq_file
*m
, struct page
**pages
, int page_count
)
393 for (page
= 0; page
< page_count
; page
++) {
394 mem
= kmap(pages
[page
]);
395 for (i
= 0; i
< PAGE_SIZE
; i
+= 4)
396 seq_printf(m
, "%08x : %08x\n", i
, mem
[i
/ 4]);
401 static int i915_batchbuffer_info(struct seq_file
*m
, void *data
)
403 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
404 struct drm_device
*dev
= node
->minor
->dev
;
405 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
406 struct drm_gem_object
*obj
;
407 struct drm_i915_gem_object
*obj_priv
;
410 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
414 list_for_each_entry(obj_priv
, &dev_priv
->render_ring
.active_list
,
416 obj
= &obj_priv
->base
;
417 if (obj
->read_domains
& I915_GEM_DOMAIN_COMMAND
) {
418 ret
= i915_gem_object_get_pages(obj
, 0);
420 mutex_unlock(&dev
->struct_mutex
);
424 seq_printf(m
, "--- gtt_offset = 0x%08x\n", obj_priv
->gtt_offset
);
425 i915_dump_pages(m
, obj_priv
->pages
, obj
->size
/ PAGE_SIZE
);
427 i915_gem_object_put_pages(obj
);
431 mutex_unlock(&dev
->struct_mutex
);
436 static int i915_ringbuffer_data(struct seq_file
*m
, void *data
)
438 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
439 struct drm_device
*dev
= node
->minor
->dev
;
440 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
443 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
447 if (!dev_priv
->render_ring
.gem_object
) {
448 seq_printf(m
, "No ringbuffer setup\n");
450 u8
*virt
= dev_priv
->render_ring
.virtual_start
;
453 for (off
= 0; off
< dev_priv
->render_ring
.size
; off
+= 4) {
454 uint32_t *ptr
= (uint32_t *)(virt
+ off
);
455 seq_printf(m
, "%08x : %08x\n", off
, *ptr
);
458 mutex_unlock(&dev
->struct_mutex
);
463 static int i915_ringbuffer_info(struct seq_file
*m
, void *data
)
465 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
466 struct drm_device
*dev
= node
->minor
->dev
;
467 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
468 unsigned int head
, tail
;
470 head
= I915_READ(PRB0_HEAD
) & HEAD_ADDR
;
471 tail
= I915_READ(PRB0_TAIL
) & TAIL_ADDR
;
473 seq_printf(m
, "RingHead : %08x\n", head
);
474 seq_printf(m
, "RingTail : %08x\n", tail
);
475 seq_printf(m
, "RingSize : %08lx\n", dev_priv
->render_ring
.size
);
476 seq_printf(m
, "Acthd : %08x\n", I915_READ(IS_I965G(dev
) ? ACTHD_I965
: ACTHD
));
481 static const char *pin_flag(int pinned
)
491 static const char *tiling_flag(int tiling
)
495 case I915_TILING_NONE
: return "";
496 case I915_TILING_X
: return " X";
497 case I915_TILING_Y
: return " Y";
501 static const char *dirty_flag(int dirty
)
503 return dirty
? " dirty" : "";
506 static const char *purgeable_flag(int purgeable
)
508 return purgeable
? " purgeable" : "";
511 static int i915_error_state(struct seq_file
*m
, void *unused
)
513 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
514 struct drm_device
*dev
= node
->minor
->dev
;
515 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
516 struct drm_i915_error_state
*error
;
518 int i
, page
, offset
, elt
;
520 spin_lock_irqsave(&dev_priv
->error_lock
, flags
);
521 if (!dev_priv
->first_error
) {
522 seq_printf(m
, "no error state collected\n");
526 error
= dev_priv
->first_error
;
528 seq_printf(m
, "Time: %ld s %ld us\n", error
->time
.tv_sec
,
529 error
->time
.tv_usec
);
530 seq_printf(m
, "PCI ID: 0x%04x\n", dev
->pci_device
);
531 seq_printf(m
, "EIR: 0x%08x\n", error
->eir
);
532 seq_printf(m
, " PGTBL_ER: 0x%08x\n", error
->pgtbl_er
);
533 seq_printf(m
, " INSTPM: 0x%08x\n", error
->instpm
);
534 seq_printf(m
, " IPEIR: 0x%08x\n", error
->ipeir
);
535 seq_printf(m
, " IPEHR: 0x%08x\n", error
->ipehr
);
536 seq_printf(m
, " INSTDONE: 0x%08x\n", error
->instdone
);
537 seq_printf(m
, " ACTHD: 0x%08x\n", error
->acthd
);
539 seq_printf(m
, " INSTPS: 0x%08x\n", error
->instps
);
540 seq_printf(m
, " INSTDONE1: 0x%08x\n", error
->instdone1
);
542 seq_printf(m
, "seqno: 0x%08x\n", error
->seqno
);
544 if (error
->active_bo_count
) {
545 seq_printf(m
, "Buffers [%d]:\n", error
->active_bo_count
);
547 for (i
= 0; i
< error
->active_bo_count
; i
++) {
548 seq_printf(m
, " %08x %8zd %08x %08x %08x%s%s%s%s",
549 error
->active_bo
[i
].gtt_offset
,
550 error
->active_bo
[i
].size
,
551 error
->active_bo
[i
].read_domains
,
552 error
->active_bo
[i
].write_domain
,
553 error
->active_bo
[i
].seqno
,
554 pin_flag(error
->active_bo
[i
].pinned
),
555 tiling_flag(error
->active_bo
[i
].tiling
),
556 dirty_flag(error
->active_bo
[i
].dirty
),
557 purgeable_flag(error
->active_bo
[i
].purgeable
));
559 if (error
->active_bo
[i
].name
)
560 seq_printf(m
, " (name: %d)", error
->active_bo
[i
].name
);
561 if (error
->active_bo
[i
].fence_reg
!= I915_FENCE_REG_NONE
)
562 seq_printf(m
, " (fence: %d)", error
->active_bo
[i
].fence_reg
);
568 for (i
= 0; i
< ARRAY_SIZE(error
->batchbuffer
); i
++) {
569 if (error
->batchbuffer
[i
]) {
570 struct drm_i915_error_object
*obj
= error
->batchbuffer
[i
];
572 seq_printf(m
, "--- gtt_offset = 0x%08x\n", obj
->gtt_offset
);
574 for (page
= 0; page
< obj
->page_count
; page
++) {
575 for (elt
= 0; elt
< PAGE_SIZE
/4; elt
++) {
576 seq_printf(m
, "%08x : %08x\n", offset
, obj
->pages
[page
][elt
]);
583 if (error
->ringbuffer
) {
584 struct drm_i915_error_object
*obj
= error
->ringbuffer
;
586 seq_printf(m
, "--- ringbuffer = 0x%08x\n", obj
->gtt_offset
);
588 for (page
= 0; page
< obj
->page_count
; page
++) {
589 for (elt
= 0; elt
< PAGE_SIZE
/4; elt
++) {
590 seq_printf(m
, "%08x : %08x\n", offset
, obj
->pages
[page
][elt
]);
597 intel_overlay_print_error_state(m
, error
->overlay
);
600 spin_unlock_irqrestore(&dev_priv
->error_lock
, flags
);
605 static int i915_rstdby_delays(struct seq_file
*m
, void *unused
)
607 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
608 struct drm_device
*dev
= node
->minor
->dev
;
609 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
610 u16 crstanddelay
= I915_READ16(CRSTANDVID
);
612 seq_printf(m
, "w/ctx: %d, w/o ctx: %d\n", (crstanddelay
>> 8) & 0x3f, (crstanddelay
& 0x3f));
617 static int i915_cur_delayinfo(struct seq_file
*m
, void *unused
)
619 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
620 struct drm_device
*dev
= node
->minor
->dev
;
621 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
622 u16 rgvswctl
= I915_READ16(MEMSWCTL
);
623 u16 rgvstat
= I915_READ16(MEMSTAT_ILK
);
625 seq_printf(m
, "Requested P-state: %d\n", (rgvswctl
>> 8) & 0xf);
626 seq_printf(m
, "Requested VID: %d\n", rgvswctl
& 0x3f);
627 seq_printf(m
, "Current VID: %d\n", (rgvstat
& MEMSTAT_VID_MASK
) >>
629 seq_printf(m
, "Current P-state: %d\n",
630 (rgvstat
& MEMSTAT_PSTATE_MASK
) >> MEMSTAT_PSTATE_SHIFT
);
635 static int i915_delayfreq_table(struct seq_file
*m
, void *unused
)
637 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
638 struct drm_device
*dev
= node
->minor
->dev
;
639 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
643 for (i
= 0; i
< 16; i
++) {
644 delayfreq
= I915_READ(PXVFREQ_BASE
+ i
* 4);
645 seq_printf(m
, "P%02dVIDFREQ: 0x%08x (VID: %d)\n", i
, delayfreq
,
646 (delayfreq
& PXVFREQ_PX_MASK
) >> PXVFREQ_PX_SHIFT
);
652 static inline int MAP_TO_MV(int map
)
654 return 1250 - (map
* 25);
657 static int i915_inttoext_table(struct seq_file
*m
, void *unused
)
659 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
660 struct drm_device
*dev
= node
->minor
->dev
;
661 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
665 for (i
= 1; i
<= 32; i
++) {
666 inttoext
= I915_READ(INTTOEXT_BASE_ILK
+ i
* 4);
667 seq_printf(m
, "INTTOEXT%02d: 0x%08x\n", i
, inttoext
);
673 static int i915_drpc_info(struct seq_file
*m
, void *unused
)
675 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
676 struct drm_device
*dev
= node
->minor
->dev
;
677 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
678 u32 rgvmodectl
= I915_READ(MEMMODECTL
);
679 u32 rstdbyctl
= I915_READ(MCHBAR_RENDER_STANDBY
);
680 u16 crstandvid
= I915_READ16(CRSTANDVID
);
682 seq_printf(m
, "HD boost: %s\n", (rgvmodectl
& MEMMODE_BOOST_EN
) ?
684 seq_printf(m
, "Boost freq: %d\n",
685 (rgvmodectl
& MEMMODE_BOOST_FREQ_MASK
) >>
686 MEMMODE_BOOST_FREQ_SHIFT
);
687 seq_printf(m
, "HW control enabled: %s\n",
688 rgvmodectl
& MEMMODE_HWIDLE_EN
? "yes" : "no");
689 seq_printf(m
, "SW control enabled: %s\n",
690 rgvmodectl
& MEMMODE_SWMODE_EN
? "yes" : "no");
691 seq_printf(m
, "Gated voltage change: %s\n",
692 rgvmodectl
& MEMMODE_RCLK_GATE
? "yes" : "no");
693 seq_printf(m
, "Starting frequency: P%d\n",
694 (rgvmodectl
& MEMMODE_FSTART_MASK
) >> MEMMODE_FSTART_SHIFT
);
695 seq_printf(m
, "Max P-state: P%d\n",
696 (rgvmodectl
& MEMMODE_FMAX_MASK
) >> MEMMODE_FMAX_SHIFT
);
697 seq_printf(m
, "Min P-state: P%d\n", (rgvmodectl
& MEMMODE_FMIN_MASK
));
698 seq_printf(m
, "RS1 VID: %d\n", (crstandvid
& 0x3f));
699 seq_printf(m
, "RS2 VID: %d\n", ((crstandvid
>> 8) & 0x3f));
700 seq_printf(m
, "Render standby enabled: %s\n",
701 (rstdbyctl
& RCX_SW_EXIT
) ? "no" : "yes");
706 static int i915_fbc_status(struct seq_file
*m
, void *unused
)
708 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
709 struct drm_device
*dev
= node
->minor
->dev
;
710 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
712 if (!I915_HAS_FBC(dev
)) {
713 seq_printf(m
, "FBC unsupported on this chipset\n");
717 if (intel_fbc_enabled(dev
)) {
718 seq_printf(m
, "FBC enabled\n");
720 seq_printf(m
, "FBC disabled: ");
721 switch (dev_priv
->no_fbc_reason
) {
722 case FBC_STOLEN_TOO_SMALL
:
723 seq_printf(m
, "not enough stolen memory");
725 case FBC_UNSUPPORTED_MODE
:
726 seq_printf(m
, "mode not supported");
728 case FBC_MODE_TOO_LARGE
:
729 seq_printf(m
, "mode too large");
732 seq_printf(m
, "FBC unsupported on plane");
735 seq_printf(m
, "scanout buffer not tiled");
737 case FBC_MULTIPLE_PIPES
:
738 seq_printf(m
, "multiple pipes are enabled");
741 seq_printf(m
, "unknown reason");
748 static int i915_sr_status(struct seq_file
*m
, void *unused
)
750 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
751 struct drm_device
*dev
= node
->minor
->dev
;
752 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
753 bool sr_enabled
= false;
755 if (IS_I965GM(dev
) || IS_I945G(dev
) || IS_I945GM(dev
))
756 sr_enabled
= I915_READ(FW_BLC_SELF
) & FW_BLC_SELF_EN
;
757 else if (IS_I915GM(dev
))
758 sr_enabled
= I915_READ(INSTPM
) & INSTPM_SELF_EN
;
759 else if (IS_PINEVIEW(dev
))
760 sr_enabled
= I915_READ(DSPFW3
) & PINEVIEW_SELF_REFRESH_EN
;
762 seq_printf(m
, "self-refresh: %s\n", sr_enabled
? "enabled" :
768 static int i915_emon_status(struct seq_file
*m
, void *unused
)
770 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
771 struct drm_device
*dev
= node
->minor
->dev
;
772 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
773 unsigned long temp
, chipset
, gfx
;
776 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
780 temp
= i915_mch_val(dev_priv
);
781 chipset
= i915_chipset_val(dev_priv
);
782 gfx
= i915_gfx_val(dev_priv
);
783 mutex_unlock(&dev
->struct_mutex
);
785 seq_printf(m
, "GMCH temp: %ld\n", temp
);
786 seq_printf(m
, "Chipset power: %ld\n", chipset
);
787 seq_printf(m
, "GFX power: %ld\n", gfx
);
788 seq_printf(m
, "Total power: %ld\n", chipset
+ gfx
);
793 static int i915_gfxec(struct seq_file
*m
, void *unused
)
795 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
796 struct drm_device
*dev
= node
->minor
->dev
;
797 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
799 seq_printf(m
, "GFXEC: %ld\n", (unsigned long)I915_READ(0x112f4));
804 static int i915_opregion(struct seq_file
*m
, void *unused
)
806 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
807 struct drm_device
*dev
= node
->minor
->dev
;
808 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
809 struct intel_opregion
*opregion
= &dev_priv
->opregion
;
812 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
816 if (opregion
->header
)
817 seq_write(m
, opregion
->header
, OPREGION_SIZE
);
819 mutex_unlock(&dev
->struct_mutex
);
824 static int i915_gem_framebuffer_info(struct seq_file
*m
, void *data
)
826 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
827 struct drm_device
*dev
= node
->minor
->dev
;
828 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
829 struct intel_fbdev
*ifbdev
;
830 struct intel_framebuffer
*fb
;
833 ret
= mutex_lock_interruptible(&dev
->mode_config
.mutex
);
837 ifbdev
= dev_priv
->fbdev
;
838 fb
= to_intel_framebuffer(ifbdev
->helper
.fb
);
840 seq_printf(m
, "fbcon size: %d x %d, depth %d, %d bpp, obj ",
844 fb
->base
.bits_per_pixel
);
845 describe_obj(m
, to_intel_bo(fb
->obj
));
848 list_for_each_entry(fb
, &dev
->mode_config
.fb_list
, base
.head
) {
849 if (&fb
->base
== ifbdev
->helper
.fb
)
852 seq_printf(m
, "user size: %d x %d, depth %d, %d bpp, obj ",
856 fb
->base
.bits_per_pixel
);
857 describe_obj(m
, to_intel_bo(fb
->obj
));
861 mutex_unlock(&dev
->mode_config
.mutex
);
867 i915_wedged_open(struct inode
*inode
,
870 filp
->private_data
= inode
->i_private
;
875 i915_wedged_read(struct file
*filp
,
880 struct drm_device
*dev
= filp
->private_data
;
881 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
885 len
= snprintf(buf
, sizeof (buf
),
887 atomic_read(&dev_priv
->mm
.wedged
));
889 return simple_read_from_buffer(ubuf
, max
, ppos
, buf
, len
);
893 i915_wedged_write(struct file
*filp
,
894 const char __user
*ubuf
,
898 struct drm_device
*dev
= filp
->private_data
;
899 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
904 if (cnt
> sizeof (buf
) - 1)
907 if (copy_from_user(buf
, ubuf
, cnt
))
911 val
= simple_strtoul(buf
, NULL
, 0);
914 DRM_INFO("Manually setting wedged to %d\n", val
);
916 atomic_set(&dev_priv
->mm
.wedged
, val
);
918 DRM_WAKEUP(&dev_priv
->irq_queue
);
919 queue_work(dev_priv
->wq
, &dev_priv
->error_work
);
925 static const struct file_operations i915_wedged_fops
= {
926 .owner
= THIS_MODULE
,
927 .open
= i915_wedged_open
,
928 .read
= i915_wedged_read
,
929 .write
= i915_wedged_write
,
932 /* As the drm_debugfs_init() routines are called before dev->dev_private is
933 * allocated we need to hook into the minor for release. */
935 drm_add_fake_info_node(struct drm_minor
*minor
,
939 struct drm_info_node
*node
;
941 node
= kmalloc(sizeof(struct drm_info_node
), GFP_KERNEL
);
949 node
->info_ent
= (void *) key
;
950 list_add(&node
->list
, &minor
->debugfs_nodes
.list
);
955 static int i915_wedged_create(struct dentry
*root
, struct drm_minor
*minor
)
957 struct drm_device
*dev
= minor
->dev
;
960 ent
= debugfs_create_file("i915_wedged",
967 return drm_add_fake_info_node(minor
, ent
, &i915_wedged_fops
);
970 static struct drm_info_list i915_debugfs_list
[] = {
971 {"i915_capabilities", i915_capabilities
, 0, 0},
972 {"i915_gem_active", i915_gem_object_list_info
, 0, (void *) ACTIVE_LIST
},
973 {"i915_gem_flushing", i915_gem_object_list_info
, 0, (void *) FLUSHING_LIST
},
974 {"i915_gem_inactive", i915_gem_object_list_info
, 0, (void *) INACTIVE_LIST
},
975 {"i915_gem_pageflip", i915_gem_pageflip_info
, 0},
976 {"i915_gem_request", i915_gem_request_info
, 0},
977 {"i915_gem_seqno", i915_gem_seqno_info
, 0},
978 {"i915_gem_fence_regs", i915_gem_fence_regs_info
, 0},
979 {"i915_gem_interrupt", i915_interrupt_info
, 0},
980 {"i915_gem_hws", i915_hws_info
, 0},
981 {"i915_ringbuffer_data", i915_ringbuffer_data
, 0},
982 {"i915_ringbuffer_info", i915_ringbuffer_info
, 0},
983 {"i915_batchbuffers", i915_batchbuffer_info
, 0},
984 {"i915_error_state", i915_error_state
, 0},
985 {"i915_rstdby_delays", i915_rstdby_delays
, 0},
986 {"i915_cur_delayinfo", i915_cur_delayinfo
, 0},
987 {"i915_delayfreq_table", i915_delayfreq_table
, 0},
988 {"i915_inttoext_table", i915_inttoext_table
, 0},
989 {"i915_drpc_info", i915_drpc_info
, 0},
990 {"i915_emon_status", i915_emon_status
, 0},
991 {"i915_gfxec", i915_gfxec
, 0},
992 {"i915_fbc_status", i915_fbc_status
, 0},
993 {"i915_sr_status", i915_sr_status
, 0},
994 {"i915_opregion", i915_opregion
, 0},
995 {"i915_gem_framebuffer", i915_gem_framebuffer_info
, 0},
997 #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
999 int i915_debugfs_init(struct drm_minor
*minor
)
1003 ret
= i915_wedged_create(minor
->debugfs_root
, minor
);
1007 return drm_debugfs_create_files(i915_debugfs_list
,
1008 I915_DEBUGFS_ENTRIES
,
1009 minor
->debugfs_root
, minor
);
1012 void i915_debugfs_cleanup(struct drm_minor
*minor
)
1014 drm_debugfs_remove_files(i915_debugfs_list
,
1015 I915_DEBUGFS_ENTRIES
, minor
);
1016 drm_debugfs_remove_files((struct drm_info_list
*) &i915_wedged_fops
,
1020 #endif /* CONFIG_DEBUG_FS */