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)
52 static const char *yesno(int v
)
54 return v
? "yes" : "no";
57 static int i915_capabilities(struct seq_file
*m
, void *data
)
59 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
60 struct drm_device
*dev
= node
->minor
->dev
;
61 const struct intel_device_info
*info
= INTEL_INFO(dev
);
63 seq_printf(m
, "gen: %d\n", info
->gen
);
64 #define B(x) seq_printf(m, #x ": %s\n", yesno(info->x))
80 B(cursor_needs_physical
);
82 B(overlay_needs_physical
);
89 static const char *get_pin_flag(struct drm_i915_gem_object
*obj_priv
)
91 if (obj_priv
->user_pin_count
> 0)
93 else if (obj_priv
->pin_count
> 0)
99 static const char *get_tiling_flag(struct drm_i915_gem_object
*obj_priv
)
101 switch (obj_priv
->tiling_mode
) {
103 case I915_TILING_NONE
: return " ";
104 case I915_TILING_X
: return "X";
105 case I915_TILING_Y
: return "Y";
110 describe_obj(struct seq_file
*m
, struct drm_i915_gem_object
*obj
)
112 seq_printf(m
, "%p: %s%s %8zd %08x %08x %d%s%s",
115 get_tiling_flag(obj
),
117 obj
->base
.read_domains
,
118 obj
->base
.write_domain
,
119 obj
->last_rendering_seqno
,
120 obj
->dirty
? " dirty" : "",
121 obj
->madv
== I915_MADV_DONTNEED
? " purgeable" : "");
123 seq_printf(m
, " (name: %d)", obj
->base
.name
);
124 if (obj
->fence_reg
!= I915_FENCE_REG_NONE
)
125 seq_printf(m
, " (fence: %d)", obj
->fence_reg
);
126 if (obj
->gtt_space
!= NULL
)
127 seq_printf(m
, " (gtt_offset: %08x)", obj
->gtt_offset
);
130 static int i915_gem_object_list_info(struct seq_file
*m
, void *data
)
132 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
133 uintptr_t list
= (uintptr_t) node
->info_ent
->data
;
134 struct list_head
*head
;
135 struct drm_device
*dev
= node
->minor
->dev
;
136 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
137 struct drm_i915_gem_object
*obj_priv
;
140 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
146 seq_printf(m
, "Render:\n");
147 head
= &dev_priv
->render_ring
.active_list
;
150 seq_printf(m
, "BSD:\n");
151 head
= &dev_priv
->bsd_ring
.active_list
;
154 seq_printf(m
, "Inactive:\n");
155 head
= &dev_priv
->mm
.inactive_list
;
158 seq_printf(m
, "Pinned:\n");
159 head
= &dev_priv
->mm
.pinned_list
;
162 seq_printf(m
, "Flushing:\n");
163 head
= &dev_priv
->mm
.flushing_list
;
165 case DEFERRED_FREE_LIST
:
166 seq_printf(m
, "Deferred free:\n");
167 head
= &dev_priv
->mm
.deferred_free_list
;
170 mutex_unlock(&dev
->struct_mutex
);
174 list_for_each_entry(obj_priv
, head
, list
) {
176 describe_obj(m
, obj_priv
);
180 mutex_unlock(&dev
->struct_mutex
);
184 static int i915_gem_pageflip_info(struct seq_file
*m
, void *data
)
186 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
187 struct drm_device
*dev
= node
->minor
->dev
;
189 struct intel_crtc
*crtc
;
191 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, base
.head
) {
192 const char *pipe
= crtc
->pipe
? "B" : "A";
193 const char *plane
= crtc
->plane
? "B" : "A";
194 struct intel_unpin_work
*work
;
196 spin_lock_irqsave(&dev
->event_lock
, flags
);
197 work
= crtc
->unpin_work
;
199 seq_printf(m
, "No flip due on pipe %s (plane %s)\n",
202 if (!work
->pending
) {
203 seq_printf(m
, "Flip queued on pipe %s (plane %s)\n",
206 seq_printf(m
, "Flip pending (waiting for vsync) on pipe %s (plane %s)\n",
209 if (work
->enable_stall_check
)
210 seq_printf(m
, "Stall check enabled, ");
212 seq_printf(m
, "Stall check waiting for page flip ioctl, ");
213 seq_printf(m
, "%d prepares\n", work
->pending
);
215 if (work
->old_fb_obj
) {
216 struct drm_i915_gem_object
*obj_priv
= to_intel_bo(work
->old_fb_obj
);
218 seq_printf(m
, "Old framebuffer gtt_offset 0x%08x\n", obj_priv
->gtt_offset
);
220 if (work
->pending_flip_obj
) {
221 struct drm_i915_gem_object
*obj_priv
= to_intel_bo(work
->pending_flip_obj
);
223 seq_printf(m
, "New framebuffer gtt_offset 0x%08x\n", obj_priv
->gtt_offset
);
226 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
232 static int i915_gem_request_info(struct seq_file
*m
, void *data
)
234 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
235 struct drm_device
*dev
= node
->minor
->dev
;
236 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
237 struct drm_i915_gem_request
*gem_request
;
240 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
244 seq_printf(m
, "Request:\n");
245 list_for_each_entry(gem_request
, &dev_priv
->render_ring
.request_list
,
247 seq_printf(m
, " %d @ %d\n",
249 (int) (jiffies
- gem_request
->emitted_jiffies
));
251 mutex_unlock(&dev
->struct_mutex
);
256 static int i915_gem_seqno_info(struct seq_file
*m
, void *data
)
258 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
259 struct drm_device
*dev
= node
->minor
->dev
;
260 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
263 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
267 if (dev_priv
->render_ring
.status_page
.page_addr
!= NULL
) {
268 seq_printf(m
, "Current sequence: %d\n",
269 dev_priv
->render_ring
.get_seqno(dev
, &dev_priv
->render_ring
));
271 seq_printf(m
, "Current sequence: hws uninitialized\n");
273 seq_printf(m
, "Waiter sequence: %d\n",
274 dev_priv
->mm
.waiting_gem_seqno
);
275 seq_printf(m
, "IRQ sequence: %d\n", dev_priv
->mm
.irq_gem_seqno
);
277 mutex_unlock(&dev
->struct_mutex
);
283 static int i915_interrupt_info(struct seq_file
*m
, void *data
)
285 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
286 struct drm_device
*dev
= node
->minor
->dev
;
287 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
290 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
294 if (!HAS_PCH_SPLIT(dev
)) {
295 seq_printf(m
, "Interrupt enable: %08x\n",
297 seq_printf(m
, "Interrupt identity: %08x\n",
299 seq_printf(m
, "Interrupt mask: %08x\n",
301 seq_printf(m
, "Pipe A stat: %08x\n",
302 I915_READ(PIPEASTAT
));
303 seq_printf(m
, "Pipe B stat: %08x\n",
304 I915_READ(PIPEBSTAT
));
306 seq_printf(m
, "North Display Interrupt enable: %08x\n",
308 seq_printf(m
, "North Display Interrupt identity: %08x\n",
310 seq_printf(m
, "North Display Interrupt mask: %08x\n",
312 seq_printf(m
, "South Display Interrupt enable: %08x\n",
314 seq_printf(m
, "South Display Interrupt identity: %08x\n",
316 seq_printf(m
, "South Display Interrupt mask: %08x\n",
318 seq_printf(m
, "Graphics Interrupt enable: %08x\n",
320 seq_printf(m
, "Graphics Interrupt identity: %08x\n",
322 seq_printf(m
, "Graphics Interrupt mask: %08x\n",
325 seq_printf(m
, "Interrupts received: %d\n",
326 atomic_read(&dev_priv
->irq_received
));
327 if (dev_priv
->render_ring
.status_page
.page_addr
!= NULL
) {
328 seq_printf(m
, "Current sequence: %d\n",
329 dev_priv
->render_ring
.get_seqno(dev
, &dev_priv
->render_ring
));
331 seq_printf(m
, "Current sequence: hws uninitialized\n");
333 seq_printf(m
, "Waiter sequence: %d\n",
334 dev_priv
->mm
.waiting_gem_seqno
);
335 seq_printf(m
, "IRQ sequence: %d\n",
336 dev_priv
->mm
.irq_gem_seqno
);
337 mutex_unlock(&dev
->struct_mutex
);
342 static int i915_gem_fence_regs_info(struct seq_file
*m
, void *data
)
344 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
345 struct drm_device
*dev
= node
->minor
->dev
;
346 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
349 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
353 seq_printf(m
, "Reserved fences = %d\n", dev_priv
->fence_reg_start
);
354 seq_printf(m
, "Total fences = %d\n", dev_priv
->num_fence_regs
);
355 for (i
= 0; i
< dev_priv
->num_fence_regs
; i
++) {
356 struct drm_gem_object
*obj
= dev_priv
->fence_regs
[i
].obj
;
359 seq_printf(m
, "Fenced object[%2d] = unused\n", i
);
361 struct drm_i915_gem_object
*obj_priv
;
363 obj_priv
= to_intel_bo(obj
);
364 seq_printf(m
, "Fenced object[%2d] = %p: %s "
365 "%08x %08zx %08x %s %08x %08x %d",
366 i
, obj
, get_pin_flag(obj_priv
),
367 obj_priv
->gtt_offset
,
368 obj
->size
, obj_priv
->stride
,
369 get_tiling_flag(obj_priv
),
370 obj
->read_domains
, obj
->write_domain
,
371 obj_priv
->last_rendering_seqno
);
373 seq_printf(m
, " (name: %d)", obj
->name
);
377 mutex_unlock(&dev
->struct_mutex
);
382 static int i915_hws_info(struct seq_file
*m
, void *data
)
384 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
385 struct drm_device
*dev
= node
->minor
->dev
;
386 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
390 hws
= (volatile u32
*)dev_priv
->render_ring
.status_page
.page_addr
;
394 for (i
= 0; i
< 4096 / sizeof(u32
) / 4; i
+= 4) {
395 seq_printf(m
, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
397 hws
[i
], hws
[i
+ 1], hws
[i
+ 2], hws
[i
+ 3]);
402 static void i915_dump_pages(struct seq_file
*m
, struct page
**pages
, int page_count
)
407 for (page
= 0; page
< page_count
; page
++) {
408 mem
= kmap(pages
[page
]);
409 for (i
= 0; i
< PAGE_SIZE
; i
+= 4)
410 seq_printf(m
, "%08x : %08x\n", i
, mem
[i
/ 4]);
415 static int i915_batchbuffer_info(struct seq_file
*m
, void *data
)
417 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
418 struct drm_device
*dev
= node
->minor
->dev
;
419 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
420 struct drm_gem_object
*obj
;
421 struct drm_i915_gem_object
*obj_priv
;
424 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
428 list_for_each_entry(obj_priv
, &dev_priv
->render_ring
.active_list
,
430 obj
= &obj_priv
->base
;
431 if (obj
->read_domains
& I915_GEM_DOMAIN_COMMAND
) {
432 ret
= i915_gem_object_get_pages(obj
, 0);
434 mutex_unlock(&dev
->struct_mutex
);
438 seq_printf(m
, "--- gtt_offset = 0x%08x\n", obj_priv
->gtt_offset
);
439 i915_dump_pages(m
, obj_priv
->pages
, obj
->size
/ PAGE_SIZE
);
441 i915_gem_object_put_pages(obj
);
445 mutex_unlock(&dev
->struct_mutex
);
450 static int i915_ringbuffer_data(struct seq_file
*m
, void *data
)
452 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
453 struct drm_device
*dev
= node
->minor
->dev
;
454 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
457 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
461 if (!dev_priv
->render_ring
.gem_object
) {
462 seq_printf(m
, "No ringbuffer setup\n");
464 u8
*virt
= dev_priv
->render_ring
.virtual_start
;
467 for (off
= 0; off
< dev_priv
->render_ring
.size
; off
+= 4) {
468 uint32_t *ptr
= (uint32_t *)(virt
+ off
);
469 seq_printf(m
, "%08x : %08x\n", off
, *ptr
);
472 mutex_unlock(&dev
->struct_mutex
);
477 static int i915_ringbuffer_info(struct seq_file
*m
, void *data
)
479 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
480 struct drm_device
*dev
= node
->minor
->dev
;
481 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
482 unsigned int head
, tail
;
484 head
= I915_READ(PRB0_HEAD
) & HEAD_ADDR
;
485 tail
= I915_READ(PRB0_TAIL
) & TAIL_ADDR
;
487 seq_printf(m
, "RingHead : %08x\n", head
);
488 seq_printf(m
, "RingTail : %08x\n", tail
);
489 seq_printf(m
, "RingSize : %08lx\n", dev_priv
->render_ring
.size
);
490 seq_printf(m
, "Acthd : %08x\n", I915_READ(INTEL_INFO(dev
)->gen
>= 4 ? ACTHD_I965
: ACTHD
));
495 static const char *pin_flag(int pinned
)
505 static const char *tiling_flag(int tiling
)
509 case I915_TILING_NONE
: return "";
510 case I915_TILING_X
: return " X";
511 case I915_TILING_Y
: return " Y";
515 static const char *dirty_flag(int dirty
)
517 return dirty
? " dirty" : "";
520 static const char *purgeable_flag(int purgeable
)
522 return purgeable
? " purgeable" : "";
525 static int i915_error_state(struct seq_file
*m
, void *unused
)
527 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
528 struct drm_device
*dev
= node
->minor
->dev
;
529 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
530 struct drm_i915_error_state
*error
;
532 int i
, page
, offset
, elt
;
534 spin_lock_irqsave(&dev_priv
->error_lock
, flags
);
535 if (!dev_priv
->first_error
) {
536 seq_printf(m
, "no error state collected\n");
540 error
= dev_priv
->first_error
;
542 seq_printf(m
, "Time: %ld s %ld us\n", error
->time
.tv_sec
,
543 error
->time
.tv_usec
);
544 seq_printf(m
, "PCI ID: 0x%04x\n", dev
->pci_device
);
545 seq_printf(m
, "EIR: 0x%08x\n", error
->eir
);
546 seq_printf(m
, " PGTBL_ER: 0x%08x\n", error
->pgtbl_er
);
547 seq_printf(m
, " INSTPM: 0x%08x\n", error
->instpm
);
548 seq_printf(m
, " IPEIR: 0x%08x\n", error
->ipeir
);
549 seq_printf(m
, " IPEHR: 0x%08x\n", error
->ipehr
);
550 seq_printf(m
, " INSTDONE: 0x%08x\n", error
->instdone
);
551 seq_printf(m
, " ACTHD: 0x%08x\n", error
->acthd
);
552 if (INTEL_INFO(dev
)->gen
>= 4) {
553 seq_printf(m
, " INSTPS: 0x%08x\n", error
->instps
);
554 seq_printf(m
, " INSTDONE1: 0x%08x\n", error
->instdone1
);
556 seq_printf(m
, "seqno: 0x%08x\n", error
->seqno
);
558 if (error
->active_bo_count
) {
559 seq_printf(m
, "Buffers [%d]:\n", error
->active_bo_count
);
561 for (i
= 0; i
< error
->active_bo_count
; i
++) {
562 seq_printf(m
, " %08x %8zd %08x %08x %08x%s%s%s%s",
563 error
->active_bo
[i
].gtt_offset
,
564 error
->active_bo
[i
].size
,
565 error
->active_bo
[i
].read_domains
,
566 error
->active_bo
[i
].write_domain
,
567 error
->active_bo
[i
].seqno
,
568 pin_flag(error
->active_bo
[i
].pinned
),
569 tiling_flag(error
->active_bo
[i
].tiling
),
570 dirty_flag(error
->active_bo
[i
].dirty
),
571 purgeable_flag(error
->active_bo
[i
].purgeable
));
573 if (error
->active_bo
[i
].name
)
574 seq_printf(m
, " (name: %d)", error
->active_bo
[i
].name
);
575 if (error
->active_bo
[i
].fence_reg
!= I915_FENCE_REG_NONE
)
576 seq_printf(m
, " (fence: %d)", error
->active_bo
[i
].fence_reg
);
582 for (i
= 0; i
< ARRAY_SIZE(error
->batchbuffer
); i
++) {
583 if (error
->batchbuffer
[i
]) {
584 struct drm_i915_error_object
*obj
= error
->batchbuffer
[i
];
586 seq_printf(m
, "--- gtt_offset = 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 if (error
->ringbuffer
) {
598 struct drm_i915_error_object
*obj
= error
->ringbuffer
;
600 seq_printf(m
, "--- ringbuffer = 0x%08x\n", obj
->gtt_offset
);
602 for (page
= 0; page
< obj
->page_count
; page
++) {
603 for (elt
= 0; elt
< PAGE_SIZE
/4; elt
++) {
604 seq_printf(m
, "%08x : %08x\n", offset
, obj
->pages
[page
][elt
]);
611 intel_overlay_print_error_state(m
, error
->overlay
);
614 spin_unlock_irqrestore(&dev_priv
->error_lock
, flags
);
619 static int i915_rstdby_delays(struct seq_file
*m
, void *unused
)
621 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
622 struct drm_device
*dev
= node
->minor
->dev
;
623 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
624 u16 crstanddelay
= I915_READ16(CRSTANDVID
);
626 seq_printf(m
, "w/ctx: %d, w/o ctx: %d\n", (crstanddelay
>> 8) & 0x3f, (crstanddelay
& 0x3f));
631 static int i915_cur_delayinfo(struct seq_file
*m
, void *unused
)
633 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
634 struct drm_device
*dev
= node
->minor
->dev
;
635 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
636 u16 rgvswctl
= I915_READ16(MEMSWCTL
);
637 u16 rgvstat
= I915_READ16(MEMSTAT_ILK
);
639 seq_printf(m
, "Requested P-state: %d\n", (rgvswctl
>> 8) & 0xf);
640 seq_printf(m
, "Requested VID: %d\n", rgvswctl
& 0x3f);
641 seq_printf(m
, "Current VID: %d\n", (rgvstat
& MEMSTAT_VID_MASK
) >>
643 seq_printf(m
, "Current P-state: %d\n",
644 (rgvstat
& MEMSTAT_PSTATE_MASK
) >> MEMSTAT_PSTATE_SHIFT
);
649 static int i915_delayfreq_table(struct seq_file
*m
, void *unused
)
651 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
652 struct drm_device
*dev
= node
->minor
->dev
;
653 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
657 for (i
= 0; i
< 16; i
++) {
658 delayfreq
= I915_READ(PXVFREQ_BASE
+ i
* 4);
659 seq_printf(m
, "P%02dVIDFREQ: 0x%08x (VID: %d)\n", i
, delayfreq
,
660 (delayfreq
& PXVFREQ_PX_MASK
) >> PXVFREQ_PX_SHIFT
);
666 static inline int MAP_TO_MV(int map
)
668 return 1250 - (map
* 25);
671 static int i915_inttoext_table(struct seq_file
*m
, void *unused
)
673 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
674 struct drm_device
*dev
= node
->minor
->dev
;
675 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
679 for (i
= 1; i
<= 32; i
++) {
680 inttoext
= I915_READ(INTTOEXT_BASE_ILK
+ i
* 4);
681 seq_printf(m
, "INTTOEXT%02d: 0x%08x\n", i
, inttoext
);
687 static int i915_drpc_info(struct seq_file
*m
, void *unused
)
689 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
690 struct drm_device
*dev
= node
->minor
->dev
;
691 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
692 u32 rgvmodectl
= I915_READ(MEMMODECTL
);
693 u32 rstdbyctl
= I915_READ(MCHBAR_RENDER_STANDBY
);
694 u16 crstandvid
= I915_READ16(CRSTANDVID
);
696 seq_printf(m
, "HD boost: %s\n", (rgvmodectl
& MEMMODE_BOOST_EN
) ?
698 seq_printf(m
, "Boost freq: %d\n",
699 (rgvmodectl
& MEMMODE_BOOST_FREQ_MASK
) >>
700 MEMMODE_BOOST_FREQ_SHIFT
);
701 seq_printf(m
, "HW control enabled: %s\n",
702 rgvmodectl
& MEMMODE_HWIDLE_EN
? "yes" : "no");
703 seq_printf(m
, "SW control enabled: %s\n",
704 rgvmodectl
& MEMMODE_SWMODE_EN
? "yes" : "no");
705 seq_printf(m
, "Gated voltage change: %s\n",
706 rgvmodectl
& MEMMODE_RCLK_GATE
? "yes" : "no");
707 seq_printf(m
, "Starting frequency: P%d\n",
708 (rgvmodectl
& MEMMODE_FSTART_MASK
) >> MEMMODE_FSTART_SHIFT
);
709 seq_printf(m
, "Max P-state: P%d\n",
710 (rgvmodectl
& MEMMODE_FMAX_MASK
) >> MEMMODE_FMAX_SHIFT
);
711 seq_printf(m
, "Min P-state: P%d\n", (rgvmodectl
& MEMMODE_FMIN_MASK
));
712 seq_printf(m
, "RS1 VID: %d\n", (crstandvid
& 0x3f));
713 seq_printf(m
, "RS2 VID: %d\n", ((crstandvid
>> 8) & 0x3f));
714 seq_printf(m
, "Render standby enabled: %s\n",
715 (rstdbyctl
& RCX_SW_EXIT
) ? "no" : "yes");
720 static int i915_fbc_status(struct seq_file
*m
, void *unused
)
722 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
723 struct drm_device
*dev
= node
->minor
->dev
;
724 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
726 if (!I915_HAS_FBC(dev
)) {
727 seq_printf(m
, "FBC unsupported on this chipset\n");
731 if (intel_fbc_enabled(dev
)) {
732 seq_printf(m
, "FBC enabled\n");
734 seq_printf(m
, "FBC disabled: ");
735 switch (dev_priv
->no_fbc_reason
) {
737 seq_printf(m
, "no outputs");
739 case FBC_STOLEN_TOO_SMALL
:
740 seq_printf(m
, "not enough stolen memory");
742 case FBC_UNSUPPORTED_MODE
:
743 seq_printf(m
, "mode not supported");
745 case FBC_MODE_TOO_LARGE
:
746 seq_printf(m
, "mode too large");
749 seq_printf(m
, "FBC unsupported on plane");
752 seq_printf(m
, "scanout buffer not tiled");
754 case FBC_MULTIPLE_PIPES
:
755 seq_printf(m
, "multiple pipes are enabled");
758 seq_printf(m
, "unknown reason");
765 static int i915_sr_status(struct seq_file
*m
, void *unused
)
767 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
768 struct drm_device
*dev
= node
->minor
->dev
;
769 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
770 bool sr_enabled
= false;
772 if (IS_IRONLAKE(dev
))
773 sr_enabled
= I915_READ(WM1_LP_ILK
) & WM1_LP_SR_EN
;
774 else if (IS_CRESTLINE(dev
) || IS_I945G(dev
) || IS_I945GM(dev
))
775 sr_enabled
= I915_READ(FW_BLC_SELF
) & FW_BLC_SELF_EN
;
776 else if (IS_I915GM(dev
))
777 sr_enabled
= I915_READ(INSTPM
) & INSTPM_SELF_EN
;
778 else if (IS_PINEVIEW(dev
))
779 sr_enabled
= I915_READ(DSPFW3
) & PINEVIEW_SELF_REFRESH_EN
;
781 seq_printf(m
, "self-refresh: %s\n",
782 sr_enabled
? "enabled" : "disabled");
787 static int i915_emon_status(struct seq_file
*m
, void *unused
)
789 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
790 struct drm_device
*dev
= node
->minor
->dev
;
791 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
792 unsigned long temp
, chipset
, gfx
;
795 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
799 temp
= i915_mch_val(dev_priv
);
800 chipset
= i915_chipset_val(dev_priv
);
801 gfx
= i915_gfx_val(dev_priv
);
802 mutex_unlock(&dev
->struct_mutex
);
804 seq_printf(m
, "GMCH temp: %ld\n", temp
);
805 seq_printf(m
, "Chipset power: %ld\n", chipset
);
806 seq_printf(m
, "GFX power: %ld\n", gfx
);
807 seq_printf(m
, "Total power: %ld\n", chipset
+ gfx
);
812 static int i915_gfxec(struct seq_file
*m
, void *unused
)
814 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
815 struct drm_device
*dev
= node
->minor
->dev
;
816 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
818 seq_printf(m
, "GFXEC: %ld\n", (unsigned long)I915_READ(0x112f4));
823 static int i915_opregion(struct seq_file
*m
, void *unused
)
825 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
826 struct drm_device
*dev
= node
->minor
->dev
;
827 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
828 struct intel_opregion
*opregion
= &dev_priv
->opregion
;
831 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
835 if (opregion
->header
)
836 seq_write(m
, opregion
->header
, OPREGION_SIZE
);
838 mutex_unlock(&dev
->struct_mutex
);
843 static int i915_gem_framebuffer_info(struct seq_file
*m
, void *data
)
845 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
846 struct drm_device
*dev
= node
->minor
->dev
;
847 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
848 struct intel_fbdev
*ifbdev
;
849 struct intel_framebuffer
*fb
;
852 ret
= mutex_lock_interruptible(&dev
->mode_config
.mutex
);
856 ifbdev
= dev_priv
->fbdev
;
857 fb
= to_intel_framebuffer(ifbdev
->helper
.fb
);
859 seq_printf(m
, "fbcon size: %d x %d, depth %d, %d bpp, obj ",
863 fb
->base
.bits_per_pixel
);
864 describe_obj(m
, to_intel_bo(fb
->obj
));
867 list_for_each_entry(fb
, &dev
->mode_config
.fb_list
, base
.head
) {
868 if (&fb
->base
== ifbdev
->helper
.fb
)
871 seq_printf(m
, "user size: %d x %d, depth %d, %d bpp, obj ",
875 fb
->base
.bits_per_pixel
);
876 describe_obj(m
, to_intel_bo(fb
->obj
));
880 mutex_unlock(&dev
->mode_config
.mutex
);
886 i915_wedged_open(struct inode
*inode
,
889 filp
->private_data
= inode
->i_private
;
894 i915_wedged_read(struct file
*filp
,
899 struct drm_device
*dev
= filp
->private_data
;
900 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
904 len
= snprintf(buf
, sizeof (buf
),
906 atomic_read(&dev_priv
->mm
.wedged
));
908 if (len
> sizeof (buf
))
911 return simple_read_from_buffer(ubuf
, max
, ppos
, buf
, len
);
915 i915_wedged_write(struct file
*filp
,
916 const char __user
*ubuf
,
920 struct drm_device
*dev
= filp
->private_data
;
921 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
926 if (cnt
> sizeof (buf
) - 1)
929 if (copy_from_user(buf
, ubuf
, cnt
))
933 val
= simple_strtoul(buf
, NULL
, 0);
936 DRM_INFO("Manually setting wedged to %d\n", val
);
938 atomic_set(&dev_priv
->mm
.wedged
, val
);
940 wake_up_all(&dev_priv
->irq_queue
);
941 queue_work(dev_priv
->wq
, &dev_priv
->error_work
);
947 static const struct file_operations i915_wedged_fops
= {
948 .owner
= THIS_MODULE
,
949 .open
= i915_wedged_open
,
950 .read
= i915_wedged_read
,
951 .write
= i915_wedged_write
,
954 /* As the drm_debugfs_init() routines are called before dev->dev_private is
955 * allocated we need to hook into the minor for release. */
957 drm_add_fake_info_node(struct drm_minor
*minor
,
961 struct drm_info_node
*node
;
963 node
= kmalloc(sizeof(struct drm_info_node
), GFP_KERNEL
);
971 node
->info_ent
= (void *) key
;
972 list_add(&node
->list
, &minor
->debugfs_nodes
.list
);
977 static int i915_wedged_create(struct dentry
*root
, struct drm_minor
*minor
)
979 struct drm_device
*dev
= minor
->dev
;
982 ent
= debugfs_create_file("i915_wedged",
989 return drm_add_fake_info_node(minor
, ent
, &i915_wedged_fops
);
992 static struct drm_info_list i915_debugfs_list
[] = {
993 {"i915_capabilities", i915_capabilities
, 0, 0},
994 {"i915_gem_render_active", i915_gem_object_list_info
, 0, (void *) RENDER_LIST
},
995 {"i915_gem_bsd_active", i915_gem_object_list_info
, 0, (void *) BSD_LIST
},
996 {"i915_gem_flushing", i915_gem_object_list_info
, 0, (void *) FLUSHING_LIST
},
997 {"i915_gem_inactive", i915_gem_object_list_info
, 0, (void *) INACTIVE_LIST
},
998 {"i915_gem_pinned", i915_gem_object_list_info
, 0, (void *) PINNED_LIST
},
999 {"i915_gem_deferred_free", i915_gem_object_list_info
, 0, (void *) DEFERRED_FREE_LIST
},
1000 {"i915_gem_pageflip", i915_gem_pageflip_info
, 0},
1001 {"i915_gem_request", i915_gem_request_info
, 0},
1002 {"i915_gem_seqno", i915_gem_seqno_info
, 0},
1003 {"i915_gem_fence_regs", i915_gem_fence_regs_info
, 0},
1004 {"i915_gem_interrupt", i915_interrupt_info
, 0},
1005 {"i915_gem_hws", i915_hws_info
, 0},
1006 {"i915_ringbuffer_data", i915_ringbuffer_data
, 0},
1007 {"i915_ringbuffer_info", i915_ringbuffer_info
, 0},
1008 {"i915_batchbuffers", i915_batchbuffer_info
, 0},
1009 {"i915_error_state", i915_error_state
, 0},
1010 {"i915_rstdby_delays", i915_rstdby_delays
, 0},
1011 {"i915_cur_delayinfo", i915_cur_delayinfo
, 0},
1012 {"i915_delayfreq_table", i915_delayfreq_table
, 0},
1013 {"i915_inttoext_table", i915_inttoext_table
, 0},
1014 {"i915_drpc_info", i915_drpc_info
, 0},
1015 {"i915_emon_status", i915_emon_status
, 0},
1016 {"i915_gfxec", i915_gfxec
, 0},
1017 {"i915_fbc_status", i915_fbc_status
, 0},
1018 {"i915_sr_status", i915_sr_status
, 0},
1019 {"i915_opregion", i915_opregion
, 0},
1020 {"i915_gem_framebuffer", i915_gem_framebuffer_info
, 0},
1022 #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
1024 int i915_debugfs_init(struct drm_minor
*minor
)
1028 ret
= i915_wedged_create(minor
->debugfs_root
, minor
);
1032 return drm_debugfs_create_files(i915_debugfs_list
,
1033 I915_DEBUGFS_ENTRIES
,
1034 minor
->debugfs_root
, minor
);
1037 void i915_debugfs_cleanup(struct drm_minor
*minor
)
1039 drm_debugfs_remove_files(i915_debugfs_list
,
1040 I915_DEBUGFS_ENTRIES
, minor
);
1041 drm_debugfs_remove_files((struct drm_info_list
*) &i915_wedged_fops
,
1045 #endif /* CONFIG_DEBUG_FS */