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)
51 static const char *yesno(int v
)
53 return v
? "yes" : "no";
56 static int i915_capabilities(struct seq_file
*m
, void *data
)
58 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
59 struct drm_device
*dev
= node
->minor
->dev
;
60 const struct intel_device_info
*info
= INTEL_INFO(dev
);
62 seq_printf(m
, "gen: %d\n", info
->gen
);
63 #define B(x) seq_printf(m, #x ": %s\n", yesno(info->x))
79 B(cursor_needs_physical
);
81 B(overlay_needs_physical
);
90 static const char *get_pin_flag(struct drm_i915_gem_object
*obj_priv
)
92 if (obj_priv
->user_pin_count
> 0)
94 else if (obj_priv
->pin_count
> 0)
100 static const char *get_tiling_flag(struct drm_i915_gem_object
*obj_priv
)
102 switch (obj_priv
->tiling_mode
) {
104 case I915_TILING_NONE
: return " ";
105 case I915_TILING_X
: return "X";
106 case I915_TILING_Y
: return "Y";
111 describe_obj(struct seq_file
*m
, struct drm_i915_gem_object
*obj
)
113 seq_printf(m
, "%p: %s%s %8zd %08x %08x %d%s%s",
116 get_tiling_flag(obj
),
118 obj
->base
.read_domains
,
119 obj
->base
.write_domain
,
120 obj
->last_rendering_seqno
,
121 obj
->dirty
? " dirty" : "",
122 obj
->madv
== I915_MADV_DONTNEED
? " purgeable" : "");
124 seq_printf(m
, " (name: %d)", obj
->base
.name
);
125 if (obj
->fence_reg
!= I915_FENCE_REG_NONE
)
126 seq_printf(m
, " (fence: %d)", obj
->fence_reg
);
127 if (obj
->gtt_space
!= NULL
)
128 seq_printf(m
, " (gtt_offset: %08x)", obj
->gtt_offset
);
129 if (obj
->ring
!= NULL
)
130 seq_printf(m
, " (%s)", obj
->ring
->name
);
133 static int i915_gem_object_list_info(struct seq_file
*m
, void *data
)
135 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
136 uintptr_t list
= (uintptr_t) node
->info_ent
->data
;
137 struct list_head
*head
;
138 struct drm_device
*dev
= node
->minor
->dev
;
139 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
140 struct drm_i915_gem_object
*obj_priv
;
141 size_t total_obj_size
, total_gtt_size
;
144 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
150 seq_printf(m
, "Active:\n");
151 head
= &dev_priv
->mm
.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 total_obj_size
= total_gtt_size
= count
= 0;
175 list_for_each_entry(obj_priv
, head
, mm_list
) {
177 describe_obj(m
, obj_priv
);
179 total_obj_size
+= obj_priv
->base
.size
;
180 total_gtt_size
+= obj_priv
->gtt_space
->size
;
183 mutex_unlock(&dev
->struct_mutex
);
185 seq_printf(m
, "Total %d objects, %zu bytes, %zu GTT size\n",
186 count
, total_obj_size
, total_gtt_size
);
190 static int i915_gem_object_info(struct seq_file
*m
, void* data
)
192 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
193 struct drm_device
*dev
= node
->minor
->dev
;
194 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
197 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
201 seq_printf(m
, "%u objects\n", dev_priv
->mm
.object_count
);
202 seq_printf(m
, "%zu object bytes\n", dev_priv
->mm
.object_memory
);
203 seq_printf(m
, "%u pinned\n", dev_priv
->mm
.pin_count
);
204 seq_printf(m
, "%zu pin bytes\n", dev_priv
->mm
.pin_memory
);
205 seq_printf(m
, "%u objects in gtt\n", dev_priv
->mm
.gtt_count
);
206 seq_printf(m
, "%zu gtt bytes\n", dev_priv
->mm
.gtt_memory
);
207 seq_printf(m
, "%zu gtt total\n", dev_priv
->mm
.gtt_total
);
209 mutex_unlock(&dev
->struct_mutex
);
215 static int i915_gem_pageflip_info(struct seq_file
*m
, void *data
)
217 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
218 struct drm_device
*dev
= node
->minor
->dev
;
220 struct intel_crtc
*crtc
;
222 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, base
.head
) {
223 const char *pipe
= crtc
->pipe
? "B" : "A";
224 const char *plane
= crtc
->plane
? "B" : "A";
225 struct intel_unpin_work
*work
;
227 spin_lock_irqsave(&dev
->event_lock
, flags
);
228 work
= crtc
->unpin_work
;
230 seq_printf(m
, "No flip due on pipe %s (plane %s)\n",
233 if (!work
->pending
) {
234 seq_printf(m
, "Flip queued on pipe %s (plane %s)\n",
237 seq_printf(m
, "Flip pending (waiting for vsync) on pipe %s (plane %s)\n",
240 if (work
->enable_stall_check
)
241 seq_printf(m
, "Stall check enabled, ");
243 seq_printf(m
, "Stall check waiting for page flip ioctl, ");
244 seq_printf(m
, "%d prepares\n", work
->pending
);
246 if (work
->old_fb_obj
) {
247 struct drm_i915_gem_object
*obj_priv
= to_intel_bo(work
->old_fb_obj
);
249 seq_printf(m
, "Old framebuffer gtt_offset 0x%08x\n", obj_priv
->gtt_offset
);
251 if (work
->pending_flip_obj
) {
252 struct drm_i915_gem_object
*obj_priv
= to_intel_bo(work
->pending_flip_obj
);
254 seq_printf(m
, "New framebuffer gtt_offset 0x%08x\n", obj_priv
->gtt_offset
);
257 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
263 static int i915_gem_request_info(struct seq_file
*m
, void *data
)
265 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
266 struct drm_device
*dev
= node
->minor
->dev
;
267 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
268 struct drm_i915_gem_request
*gem_request
;
271 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
275 seq_printf(m
, "Request:\n");
276 list_for_each_entry(gem_request
, &dev_priv
->render_ring
.request_list
,
278 seq_printf(m
, " %d @ %d\n",
280 (int) (jiffies
- gem_request
->emitted_jiffies
));
282 mutex_unlock(&dev
->struct_mutex
);
287 static int i915_gem_seqno_info(struct seq_file
*m
, void *data
)
289 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
290 struct drm_device
*dev
= node
->minor
->dev
;
291 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
294 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
298 if (dev_priv
->render_ring
.status_page
.page_addr
!= NULL
) {
299 seq_printf(m
, "Current sequence: %d\n",
300 dev_priv
->render_ring
.get_seqno(dev
, &dev_priv
->render_ring
));
302 seq_printf(m
, "Current sequence: hws uninitialized\n");
304 seq_printf(m
, "Waiter sequence: %d\n",
305 dev_priv
->mm
.waiting_gem_seqno
);
306 seq_printf(m
, "IRQ sequence: %d\n", dev_priv
->mm
.irq_gem_seqno
);
308 mutex_unlock(&dev
->struct_mutex
);
314 static int i915_interrupt_info(struct seq_file
*m
, void *data
)
316 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
317 struct drm_device
*dev
= node
->minor
->dev
;
318 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
321 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
325 if (!HAS_PCH_SPLIT(dev
)) {
326 seq_printf(m
, "Interrupt enable: %08x\n",
328 seq_printf(m
, "Interrupt identity: %08x\n",
330 seq_printf(m
, "Interrupt mask: %08x\n",
332 seq_printf(m
, "Pipe A stat: %08x\n",
333 I915_READ(PIPEASTAT
));
334 seq_printf(m
, "Pipe B stat: %08x\n",
335 I915_READ(PIPEBSTAT
));
337 seq_printf(m
, "North Display Interrupt enable: %08x\n",
339 seq_printf(m
, "North Display Interrupt identity: %08x\n",
341 seq_printf(m
, "North Display Interrupt mask: %08x\n",
343 seq_printf(m
, "South Display Interrupt enable: %08x\n",
345 seq_printf(m
, "South Display Interrupt identity: %08x\n",
347 seq_printf(m
, "South Display Interrupt mask: %08x\n",
349 seq_printf(m
, "Graphics Interrupt enable: %08x\n",
351 seq_printf(m
, "Graphics Interrupt identity: %08x\n",
353 seq_printf(m
, "Graphics Interrupt mask: %08x\n",
356 seq_printf(m
, "Interrupts received: %d\n",
357 atomic_read(&dev_priv
->irq_received
));
358 if (dev_priv
->render_ring
.status_page
.page_addr
!= NULL
) {
359 seq_printf(m
, "Current sequence: %d\n",
360 dev_priv
->render_ring
.get_seqno(dev
, &dev_priv
->render_ring
));
362 seq_printf(m
, "Current sequence: hws uninitialized\n");
364 seq_printf(m
, "Waiter sequence: %d\n",
365 dev_priv
->mm
.waiting_gem_seqno
);
366 seq_printf(m
, "IRQ sequence: %d\n",
367 dev_priv
->mm
.irq_gem_seqno
);
368 mutex_unlock(&dev
->struct_mutex
);
373 static int i915_gem_fence_regs_info(struct seq_file
*m
, void *data
)
375 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
376 struct drm_device
*dev
= node
->minor
->dev
;
377 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
380 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
384 seq_printf(m
, "Reserved fences = %d\n", dev_priv
->fence_reg_start
);
385 seq_printf(m
, "Total fences = %d\n", dev_priv
->num_fence_regs
);
386 for (i
= 0; i
< dev_priv
->num_fence_regs
; i
++) {
387 struct drm_gem_object
*obj
= dev_priv
->fence_regs
[i
].obj
;
390 seq_printf(m
, "Fenced object[%2d] = unused\n", i
);
392 struct drm_i915_gem_object
*obj_priv
;
394 obj_priv
= to_intel_bo(obj
);
395 seq_printf(m
, "Fenced object[%2d] = %p: %s "
396 "%08x %08zx %08x %s %08x %08x %d",
397 i
, obj
, get_pin_flag(obj_priv
),
398 obj_priv
->gtt_offset
,
399 obj
->size
, obj_priv
->stride
,
400 get_tiling_flag(obj_priv
),
401 obj
->read_domains
, obj
->write_domain
,
402 obj_priv
->last_rendering_seqno
);
404 seq_printf(m
, " (name: %d)", obj
->name
);
408 mutex_unlock(&dev
->struct_mutex
);
413 static int i915_hws_info(struct seq_file
*m
, void *data
)
415 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
416 struct drm_device
*dev
= node
->minor
->dev
;
417 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
421 hws
= (volatile u32
*)dev_priv
->render_ring
.status_page
.page_addr
;
425 for (i
= 0; i
< 4096 / sizeof(u32
) / 4; i
+= 4) {
426 seq_printf(m
, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
428 hws
[i
], hws
[i
+ 1], hws
[i
+ 2], hws
[i
+ 3]);
433 static void i915_dump_object(struct seq_file
*m
,
434 struct io_mapping
*mapping
,
435 struct drm_i915_gem_object
*obj_priv
)
437 int page
, page_count
, i
;
439 page_count
= obj_priv
->base
.size
/ PAGE_SIZE
;
440 for (page
= 0; page
< page_count
; page
++) {
441 u32
*mem
= io_mapping_map_wc(mapping
,
442 obj_priv
->gtt_offset
+ page
* PAGE_SIZE
);
443 for (i
= 0; i
< PAGE_SIZE
; i
+= 4)
444 seq_printf(m
, "%08x : %08x\n", i
, mem
[i
/ 4]);
445 io_mapping_unmap(mem
);
449 static int i915_batchbuffer_info(struct seq_file
*m
, void *data
)
451 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
452 struct drm_device
*dev
= node
->minor
->dev
;
453 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
454 struct drm_gem_object
*obj
;
455 struct drm_i915_gem_object
*obj_priv
;
458 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
462 list_for_each_entry(obj_priv
, &dev_priv
->mm
.active_list
, mm_list
) {
463 obj
= &obj_priv
->base
;
464 if (obj
->read_domains
& I915_GEM_DOMAIN_COMMAND
) {
465 seq_printf(m
, "--- gtt_offset = 0x%08x\n",
466 obj_priv
->gtt_offset
);
467 i915_dump_object(m
, dev_priv
->mm
.gtt_mapping
, obj_priv
);
471 mutex_unlock(&dev
->struct_mutex
);
476 static int i915_ringbuffer_data(struct seq_file
*m
, void *data
)
478 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
479 struct drm_device
*dev
= node
->minor
->dev
;
480 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
483 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
487 if (!dev_priv
->render_ring
.gem_object
) {
488 seq_printf(m
, "No ringbuffer setup\n");
490 u8
*virt
= dev_priv
->render_ring
.virtual_start
;
493 for (off
= 0; off
< dev_priv
->render_ring
.size
; off
+= 4) {
494 uint32_t *ptr
= (uint32_t *)(virt
+ off
);
495 seq_printf(m
, "%08x : %08x\n", off
, *ptr
);
498 mutex_unlock(&dev
->struct_mutex
);
503 static int i915_ringbuffer_info(struct seq_file
*m
, void *data
)
505 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
506 struct drm_device
*dev
= node
->minor
->dev
;
507 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
508 unsigned int head
, tail
;
510 head
= I915_READ(PRB0_HEAD
) & HEAD_ADDR
;
511 tail
= I915_READ(PRB0_TAIL
) & TAIL_ADDR
;
513 seq_printf(m
, "RingHead : %08x\n", head
);
514 seq_printf(m
, "RingTail : %08x\n", tail
);
515 seq_printf(m
, "RingSize : %08lx\n", dev_priv
->render_ring
.size
);
516 seq_printf(m
, "Acthd : %08x\n", I915_READ(INTEL_INFO(dev
)->gen
>= 4 ? ACTHD_I965
: ACTHD
));
521 static const char *pin_flag(int pinned
)
531 static const char *tiling_flag(int tiling
)
535 case I915_TILING_NONE
: return "";
536 case I915_TILING_X
: return " X";
537 case I915_TILING_Y
: return " Y";
541 static const char *dirty_flag(int dirty
)
543 return dirty
? " dirty" : "";
546 static const char *purgeable_flag(int purgeable
)
548 return purgeable
? " purgeable" : "";
551 static int i915_error_state(struct seq_file
*m
, void *unused
)
553 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
554 struct drm_device
*dev
= node
->minor
->dev
;
555 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
556 struct drm_i915_error_state
*error
;
558 int i
, page
, offset
, elt
;
560 spin_lock_irqsave(&dev_priv
->error_lock
, flags
);
561 if (!dev_priv
->first_error
) {
562 seq_printf(m
, "no error state collected\n");
566 error
= dev_priv
->first_error
;
568 seq_printf(m
, "Time: %ld s %ld us\n", error
->time
.tv_sec
,
569 error
->time
.tv_usec
);
570 seq_printf(m
, "PCI ID: 0x%04x\n", dev
->pci_device
);
571 seq_printf(m
, "EIR: 0x%08x\n", error
->eir
);
572 seq_printf(m
, " PGTBL_ER: 0x%08x\n", error
->pgtbl_er
);
573 seq_printf(m
, " INSTPM: 0x%08x\n", error
->instpm
);
574 seq_printf(m
, " IPEIR: 0x%08x\n", error
->ipeir
);
575 seq_printf(m
, " IPEHR: 0x%08x\n", error
->ipehr
);
576 seq_printf(m
, " INSTDONE: 0x%08x\n", error
->instdone
);
577 seq_printf(m
, " ACTHD: 0x%08x\n", error
->acthd
);
578 if (INTEL_INFO(dev
)->gen
>= 4) {
579 seq_printf(m
, " INSTPS: 0x%08x\n", error
->instps
);
580 seq_printf(m
, " INSTDONE1: 0x%08x\n", error
->instdone1
);
582 seq_printf(m
, "seqno: 0x%08x\n", error
->seqno
);
584 if (error
->active_bo_count
) {
585 seq_printf(m
, "Buffers [%d]:\n", error
->active_bo_count
);
587 for (i
= 0; i
< error
->active_bo_count
; i
++) {
588 seq_printf(m
, " %08x %8zd %08x %08x %08x%s%s%s%s",
589 error
->active_bo
[i
].gtt_offset
,
590 error
->active_bo
[i
].size
,
591 error
->active_bo
[i
].read_domains
,
592 error
->active_bo
[i
].write_domain
,
593 error
->active_bo
[i
].seqno
,
594 pin_flag(error
->active_bo
[i
].pinned
),
595 tiling_flag(error
->active_bo
[i
].tiling
),
596 dirty_flag(error
->active_bo
[i
].dirty
),
597 purgeable_flag(error
->active_bo
[i
].purgeable
));
599 if (error
->active_bo
[i
].name
)
600 seq_printf(m
, " (name: %d)", error
->active_bo
[i
].name
);
601 if (error
->active_bo
[i
].fence_reg
!= I915_FENCE_REG_NONE
)
602 seq_printf(m
, " (fence: %d)", error
->active_bo
[i
].fence_reg
);
608 for (i
= 0; i
< ARRAY_SIZE(error
->batchbuffer
); i
++) {
609 if (error
->batchbuffer
[i
]) {
610 struct drm_i915_error_object
*obj
= error
->batchbuffer
[i
];
612 seq_printf(m
, "--- gtt_offset = 0x%08x\n", obj
->gtt_offset
);
614 for (page
= 0; page
< obj
->page_count
; page
++) {
615 for (elt
= 0; elt
< PAGE_SIZE
/4; elt
++) {
616 seq_printf(m
, "%08x : %08x\n", offset
, obj
->pages
[page
][elt
]);
623 if (error
->ringbuffer
) {
624 struct drm_i915_error_object
*obj
= error
->ringbuffer
;
626 seq_printf(m
, "--- ringbuffer = 0x%08x\n", obj
->gtt_offset
);
628 for (page
= 0; page
< obj
->page_count
; page
++) {
629 for (elt
= 0; elt
< PAGE_SIZE
/4; elt
++) {
630 seq_printf(m
, "%08x : %08x\n", offset
, obj
->pages
[page
][elt
]);
637 intel_overlay_print_error_state(m
, error
->overlay
);
640 spin_unlock_irqrestore(&dev_priv
->error_lock
, flags
);
645 static int i915_rstdby_delays(struct seq_file
*m
, void *unused
)
647 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
648 struct drm_device
*dev
= node
->minor
->dev
;
649 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
650 u16 crstanddelay
= I915_READ16(CRSTANDVID
);
652 seq_printf(m
, "w/ctx: %d, w/o ctx: %d\n", (crstanddelay
>> 8) & 0x3f, (crstanddelay
& 0x3f));
657 static int i915_cur_delayinfo(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
;
662 u16 rgvswctl
= I915_READ16(MEMSWCTL
);
663 u16 rgvstat
= I915_READ16(MEMSTAT_ILK
);
665 seq_printf(m
, "Requested P-state: %d\n", (rgvswctl
>> 8) & 0xf);
666 seq_printf(m
, "Requested VID: %d\n", rgvswctl
& 0x3f);
667 seq_printf(m
, "Current VID: %d\n", (rgvstat
& MEMSTAT_VID_MASK
) >>
669 seq_printf(m
, "Current P-state: %d\n",
670 (rgvstat
& MEMSTAT_PSTATE_MASK
) >> MEMSTAT_PSTATE_SHIFT
);
675 static int i915_delayfreq_table(struct seq_file
*m
, void *unused
)
677 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
678 struct drm_device
*dev
= node
->minor
->dev
;
679 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
683 for (i
= 0; i
< 16; i
++) {
684 delayfreq
= I915_READ(PXVFREQ_BASE
+ i
* 4);
685 seq_printf(m
, "P%02dVIDFREQ: 0x%08x (VID: %d)\n", i
, delayfreq
,
686 (delayfreq
& PXVFREQ_PX_MASK
) >> PXVFREQ_PX_SHIFT
);
692 static inline int MAP_TO_MV(int map
)
694 return 1250 - (map
* 25);
697 static int i915_inttoext_table(struct seq_file
*m
, void *unused
)
699 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
700 struct drm_device
*dev
= node
->minor
->dev
;
701 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
705 for (i
= 1; i
<= 32; i
++) {
706 inttoext
= I915_READ(INTTOEXT_BASE_ILK
+ i
* 4);
707 seq_printf(m
, "INTTOEXT%02d: 0x%08x\n", i
, inttoext
);
713 static int i915_drpc_info(struct seq_file
*m
, void *unused
)
715 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
716 struct drm_device
*dev
= node
->minor
->dev
;
717 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
718 u32 rgvmodectl
= I915_READ(MEMMODECTL
);
719 u32 rstdbyctl
= I915_READ(MCHBAR_RENDER_STANDBY
);
720 u16 crstandvid
= I915_READ16(CRSTANDVID
);
722 seq_printf(m
, "HD boost: %s\n", (rgvmodectl
& MEMMODE_BOOST_EN
) ?
724 seq_printf(m
, "Boost freq: %d\n",
725 (rgvmodectl
& MEMMODE_BOOST_FREQ_MASK
) >>
726 MEMMODE_BOOST_FREQ_SHIFT
);
727 seq_printf(m
, "HW control enabled: %s\n",
728 rgvmodectl
& MEMMODE_HWIDLE_EN
? "yes" : "no");
729 seq_printf(m
, "SW control enabled: %s\n",
730 rgvmodectl
& MEMMODE_SWMODE_EN
? "yes" : "no");
731 seq_printf(m
, "Gated voltage change: %s\n",
732 rgvmodectl
& MEMMODE_RCLK_GATE
? "yes" : "no");
733 seq_printf(m
, "Starting frequency: P%d\n",
734 (rgvmodectl
& MEMMODE_FSTART_MASK
) >> MEMMODE_FSTART_SHIFT
);
735 seq_printf(m
, "Max P-state: P%d\n",
736 (rgvmodectl
& MEMMODE_FMAX_MASK
) >> MEMMODE_FMAX_SHIFT
);
737 seq_printf(m
, "Min P-state: P%d\n", (rgvmodectl
& MEMMODE_FMIN_MASK
));
738 seq_printf(m
, "RS1 VID: %d\n", (crstandvid
& 0x3f));
739 seq_printf(m
, "RS2 VID: %d\n", ((crstandvid
>> 8) & 0x3f));
740 seq_printf(m
, "Render standby enabled: %s\n",
741 (rstdbyctl
& RCX_SW_EXIT
) ? "no" : "yes");
746 static int i915_fbc_status(struct seq_file
*m
, void *unused
)
748 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
749 struct drm_device
*dev
= node
->minor
->dev
;
750 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
752 if (!I915_HAS_FBC(dev
)) {
753 seq_printf(m
, "FBC unsupported on this chipset\n");
757 if (intel_fbc_enabled(dev
)) {
758 seq_printf(m
, "FBC enabled\n");
760 seq_printf(m
, "FBC disabled: ");
761 switch (dev_priv
->no_fbc_reason
) {
763 seq_printf(m
, "no outputs");
765 case FBC_STOLEN_TOO_SMALL
:
766 seq_printf(m
, "not enough stolen memory");
768 case FBC_UNSUPPORTED_MODE
:
769 seq_printf(m
, "mode not supported");
771 case FBC_MODE_TOO_LARGE
:
772 seq_printf(m
, "mode too large");
775 seq_printf(m
, "FBC unsupported on plane");
778 seq_printf(m
, "scanout buffer not tiled");
780 case FBC_MULTIPLE_PIPES
:
781 seq_printf(m
, "multiple pipes are enabled");
784 seq_printf(m
, "unknown reason");
791 static int i915_sr_status(struct seq_file
*m
, void *unused
)
793 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
794 struct drm_device
*dev
= node
->minor
->dev
;
795 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
796 bool sr_enabled
= false;
798 if (IS_IRONLAKE(dev
))
799 sr_enabled
= I915_READ(WM1_LP_ILK
) & WM1_LP_SR_EN
;
800 else if (IS_CRESTLINE(dev
) || IS_I945G(dev
) || IS_I945GM(dev
))
801 sr_enabled
= I915_READ(FW_BLC_SELF
) & FW_BLC_SELF_EN
;
802 else if (IS_I915GM(dev
))
803 sr_enabled
= I915_READ(INSTPM
) & INSTPM_SELF_EN
;
804 else if (IS_PINEVIEW(dev
))
805 sr_enabled
= I915_READ(DSPFW3
) & PINEVIEW_SELF_REFRESH_EN
;
807 seq_printf(m
, "self-refresh: %s\n",
808 sr_enabled
? "enabled" : "disabled");
813 static int i915_emon_status(struct seq_file
*m
, void *unused
)
815 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
816 struct drm_device
*dev
= node
->minor
->dev
;
817 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
818 unsigned long temp
, chipset
, gfx
;
821 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
825 temp
= i915_mch_val(dev_priv
);
826 chipset
= i915_chipset_val(dev_priv
);
827 gfx
= i915_gfx_val(dev_priv
);
828 mutex_unlock(&dev
->struct_mutex
);
830 seq_printf(m
, "GMCH temp: %ld\n", temp
);
831 seq_printf(m
, "Chipset power: %ld\n", chipset
);
832 seq_printf(m
, "GFX power: %ld\n", gfx
);
833 seq_printf(m
, "Total power: %ld\n", chipset
+ gfx
);
838 static int i915_gfxec(struct seq_file
*m
, void *unused
)
840 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
841 struct drm_device
*dev
= node
->minor
->dev
;
842 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
844 seq_printf(m
, "GFXEC: %ld\n", (unsigned long)I915_READ(0x112f4));
849 static int i915_opregion(struct seq_file
*m
, void *unused
)
851 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
852 struct drm_device
*dev
= node
->minor
->dev
;
853 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
854 struct intel_opregion
*opregion
= &dev_priv
->opregion
;
857 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
861 if (opregion
->header
)
862 seq_write(m
, opregion
->header
, OPREGION_SIZE
);
864 mutex_unlock(&dev
->struct_mutex
);
869 static int i915_gem_framebuffer_info(struct seq_file
*m
, void *data
)
871 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
872 struct drm_device
*dev
= node
->minor
->dev
;
873 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
874 struct intel_fbdev
*ifbdev
;
875 struct intel_framebuffer
*fb
;
878 ret
= mutex_lock_interruptible(&dev
->mode_config
.mutex
);
882 ifbdev
= dev_priv
->fbdev
;
883 fb
= to_intel_framebuffer(ifbdev
->helper
.fb
);
885 seq_printf(m
, "fbcon size: %d x %d, depth %d, %d bpp, obj ",
889 fb
->base
.bits_per_pixel
);
890 describe_obj(m
, to_intel_bo(fb
->obj
));
893 list_for_each_entry(fb
, &dev
->mode_config
.fb_list
, base
.head
) {
894 if (&fb
->base
== ifbdev
->helper
.fb
)
897 seq_printf(m
, "user size: %d x %d, depth %d, %d bpp, obj ",
901 fb
->base
.bits_per_pixel
);
902 describe_obj(m
, to_intel_bo(fb
->obj
));
906 mutex_unlock(&dev
->mode_config
.mutex
);
912 i915_wedged_open(struct inode
*inode
,
915 filp
->private_data
= inode
->i_private
;
920 i915_wedged_read(struct file
*filp
,
925 struct drm_device
*dev
= filp
->private_data
;
926 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
930 len
= snprintf(buf
, sizeof (buf
),
932 atomic_read(&dev_priv
->mm
.wedged
));
934 if (len
> sizeof (buf
))
937 return simple_read_from_buffer(ubuf
, max
, ppos
, buf
, len
);
941 i915_wedged_write(struct file
*filp
,
942 const char __user
*ubuf
,
946 struct drm_device
*dev
= filp
->private_data
;
947 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
952 if (cnt
> sizeof (buf
) - 1)
955 if (copy_from_user(buf
, ubuf
, cnt
))
959 val
= simple_strtoul(buf
, NULL
, 0);
962 DRM_INFO("Manually setting wedged to %d\n", val
);
964 atomic_set(&dev_priv
->mm
.wedged
, val
);
966 wake_up_all(&dev_priv
->irq_queue
);
967 queue_work(dev_priv
->wq
, &dev_priv
->error_work
);
973 static const struct file_operations i915_wedged_fops
= {
974 .owner
= THIS_MODULE
,
975 .open
= i915_wedged_open
,
976 .read
= i915_wedged_read
,
977 .write
= i915_wedged_write
,
980 /* As the drm_debugfs_init() routines are called before dev->dev_private is
981 * allocated we need to hook into the minor for release. */
983 drm_add_fake_info_node(struct drm_minor
*minor
,
987 struct drm_info_node
*node
;
989 node
= kmalloc(sizeof(struct drm_info_node
), GFP_KERNEL
);
997 node
->info_ent
= (void *) key
;
998 list_add(&node
->list
, &minor
->debugfs_nodes
.list
);
1003 static int i915_wedged_create(struct dentry
*root
, struct drm_minor
*minor
)
1005 struct drm_device
*dev
= minor
->dev
;
1008 ent
= debugfs_create_file("i915_wedged",
1013 return PTR_ERR(ent
);
1015 return drm_add_fake_info_node(minor
, ent
, &i915_wedged_fops
);
1018 static struct drm_info_list i915_debugfs_list
[] = {
1019 {"i915_capabilities", i915_capabilities
, 0, 0},
1020 {"i915_gem_objects", i915_gem_object_info
, 0},
1021 {"i915_gem_active", i915_gem_object_list_info
, 0, (void *) ACTIVE_LIST
},
1022 {"i915_gem_flushing", i915_gem_object_list_info
, 0, (void *) FLUSHING_LIST
},
1023 {"i915_gem_inactive", i915_gem_object_list_info
, 0, (void *) INACTIVE_LIST
},
1024 {"i915_gem_pinned", i915_gem_object_list_info
, 0, (void *) PINNED_LIST
},
1025 {"i915_gem_deferred_free", i915_gem_object_list_info
, 0, (void *) DEFERRED_FREE_LIST
},
1026 {"i915_gem_pageflip", i915_gem_pageflip_info
, 0},
1027 {"i915_gem_request", i915_gem_request_info
, 0},
1028 {"i915_gem_seqno", i915_gem_seqno_info
, 0},
1029 {"i915_gem_fence_regs", i915_gem_fence_regs_info
, 0},
1030 {"i915_gem_interrupt", i915_interrupt_info
, 0},
1031 {"i915_gem_hws", i915_hws_info
, 0},
1032 {"i915_ringbuffer_data", i915_ringbuffer_data
, 0},
1033 {"i915_ringbuffer_info", i915_ringbuffer_info
, 0},
1034 {"i915_batchbuffers", i915_batchbuffer_info
, 0},
1035 {"i915_error_state", i915_error_state
, 0},
1036 {"i915_rstdby_delays", i915_rstdby_delays
, 0},
1037 {"i915_cur_delayinfo", i915_cur_delayinfo
, 0},
1038 {"i915_delayfreq_table", i915_delayfreq_table
, 0},
1039 {"i915_inttoext_table", i915_inttoext_table
, 0},
1040 {"i915_drpc_info", i915_drpc_info
, 0},
1041 {"i915_emon_status", i915_emon_status
, 0},
1042 {"i915_gfxec", i915_gfxec
, 0},
1043 {"i915_fbc_status", i915_fbc_status
, 0},
1044 {"i915_sr_status", i915_sr_status
, 0},
1045 {"i915_opregion", i915_opregion
, 0},
1046 {"i915_gem_framebuffer", i915_gem_framebuffer_info
, 0},
1048 #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
1050 int i915_debugfs_init(struct drm_minor
*minor
)
1054 ret
= i915_wedged_create(minor
->debugfs_root
, minor
);
1058 return drm_debugfs_create_files(i915_debugfs_list
,
1059 I915_DEBUGFS_ENTRIES
,
1060 minor
->debugfs_root
, minor
);
1063 void i915_debugfs_cleanup(struct drm_minor
*minor
)
1065 drm_debugfs_remove_files(i915_debugfs_list
,
1066 I915_DEBUGFS_ENTRIES
, minor
);
1067 drm_debugfs_remove_files((struct drm_info_list
*) &i915_wedged_fops
,
1071 #endif /* CONFIG_DEBUG_FS */