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"
35 #include "intel_ringbuffer.h"
39 #define DRM_I915_RING_DEBUG 1
42 #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))
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, size: %08x)",
129 obj
->gtt_offset
, (unsigned int)obj
->gtt_space
->size
);
130 if (obj
->pin_mappable
|| obj
->fault_mappable
)
131 seq_printf(m
, " (mappable)");
132 if (obj
->ring
!= NULL
)
133 seq_printf(m
, " (%s)", obj
->ring
->name
);
136 static int i915_gem_object_list_info(struct seq_file
*m
, void *data
)
138 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
139 uintptr_t list
= (uintptr_t) node
->info_ent
->data
;
140 struct list_head
*head
;
141 struct drm_device
*dev
= node
->minor
->dev
;
142 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
143 struct drm_i915_gem_object
*obj_priv
;
144 size_t total_obj_size
, total_gtt_size
;
147 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
153 seq_printf(m
, "Active:\n");
154 head
= &dev_priv
->mm
.active_list
;
157 seq_printf(m
, "Inactive:\n");
158 head
= &dev_priv
->mm
.inactive_list
;
161 seq_printf(m
, "Pinned:\n");
162 head
= &dev_priv
->mm
.pinned_list
;
165 seq_printf(m
, "Flushing:\n");
166 head
= &dev_priv
->mm
.flushing_list
;
168 case DEFERRED_FREE_LIST
:
169 seq_printf(m
, "Deferred free:\n");
170 head
= &dev_priv
->mm
.deferred_free_list
;
173 mutex_unlock(&dev
->struct_mutex
);
177 total_obj_size
= total_gtt_size
= count
= 0;
178 list_for_each_entry(obj_priv
, head
, mm_list
) {
180 describe_obj(m
, obj_priv
);
182 total_obj_size
+= obj_priv
->base
.size
;
183 total_gtt_size
+= obj_priv
->gtt_space
->size
;
186 mutex_unlock(&dev
->struct_mutex
);
188 seq_printf(m
, "Total %d objects, %zu bytes, %zu GTT size\n",
189 count
, total_obj_size
, total_gtt_size
);
193 static int i915_gem_object_info(struct seq_file
*m
, void* data
)
195 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
196 struct drm_device
*dev
= node
->minor
->dev
;
197 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
200 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
204 seq_printf(m
, "%u objects\n", dev_priv
->mm
.object_count
);
205 seq_printf(m
, "%zu object bytes\n", dev_priv
->mm
.object_memory
);
206 seq_printf(m
, "%u pinned\n", dev_priv
->mm
.pin_count
);
207 seq_printf(m
, "%zu pin bytes\n", dev_priv
->mm
.pin_memory
);
208 seq_printf(m
, "%u mappable objects in gtt\n", dev_priv
->mm
.gtt_mappable_count
);
209 seq_printf(m
, "%zu mappable gtt bytes\n", dev_priv
->mm
.gtt_mappable_memory
);
210 seq_printf(m
, "%zu mappable gtt used bytes\n", dev_priv
->mm
.mappable_gtt_used
);
211 seq_printf(m
, "%zu mappable gtt total\n", dev_priv
->mm
.mappable_gtt_total
);
212 seq_printf(m
, "%u objects in gtt\n", dev_priv
->mm
.gtt_count
);
213 seq_printf(m
, "%zu gtt bytes\n", dev_priv
->mm
.gtt_memory
);
214 seq_printf(m
, "%zu gtt total\n", dev_priv
->mm
.gtt_total
);
216 mutex_unlock(&dev
->struct_mutex
);
222 static int i915_gem_pageflip_info(struct seq_file
*m
, void *data
)
224 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
225 struct drm_device
*dev
= node
->minor
->dev
;
227 struct intel_crtc
*crtc
;
229 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, base
.head
) {
230 const char *pipe
= crtc
->pipe
? "B" : "A";
231 const char *plane
= crtc
->plane
? "B" : "A";
232 struct intel_unpin_work
*work
;
234 spin_lock_irqsave(&dev
->event_lock
, flags
);
235 work
= crtc
->unpin_work
;
237 seq_printf(m
, "No flip due on pipe %s (plane %s)\n",
240 if (!work
->pending
) {
241 seq_printf(m
, "Flip queued on pipe %s (plane %s)\n",
244 seq_printf(m
, "Flip pending (waiting for vsync) on pipe %s (plane %s)\n",
247 if (work
->enable_stall_check
)
248 seq_printf(m
, "Stall check enabled, ");
250 seq_printf(m
, "Stall check waiting for page flip ioctl, ");
251 seq_printf(m
, "%d prepares\n", work
->pending
);
253 if (work
->old_fb_obj
) {
254 struct drm_i915_gem_object
*obj_priv
= to_intel_bo(work
->old_fb_obj
);
256 seq_printf(m
, "Old framebuffer gtt_offset 0x%08x\n", obj_priv
->gtt_offset
);
258 if (work
->pending_flip_obj
) {
259 struct drm_i915_gem_object
*obj_priv
= to_intel_bo(work
->pending_flip_obj
);
261 seq_printf(m
, "New framebuffer gtt_offset 0x%08x\n", obj_priv
->gtt_offset
);
264 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
270 static int i915_gem_request_info(struct seq_file
*m
, void *data
)
272 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
273 struct drm_device
*dev
= node
->minor
->dev
;
274 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
275 struct drm_i915_gem_request
*gem_request
;
278 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
283 if (!list_empty(&dev_priv
->render_ring
.request_list
)) {
284 seq_printf(m
, "Render requests:\n");
285 list_for_each_entry(gem_request
,
286 &dev_priv
->render_ring
.request_list
,
288 seq_printf(m
, " %d @ %d\n",
290 (int) (jiffies
- gem_request
->emitted_jiffies
));
294 if (!list_empty(&dev_priv
->bsd_ring
.request_list
)) {
295 seq_printf(m
, "BSD requests:\n");
296 list_for_each_entry(gem_request
,
297 &dev_priv
->bsd_ring
.request_list
,
299 seq_printf(m
, " %d @ %d\n",
301 (int) (jiffies
- gem_request
->emitted_jiffies
));
305 if (!list_empty(&dev_priv
->blt_ring
.request_list
)) {
306 seq_printf(m
, "BLT requests:\n");
307 list_for_each_entry(gem_request
,
308 &dev_priv
->blt_ring
.request_list
,
310 seq_printf(m
, " %d @ %d\n",
312 (int) (jiffies
- gem_request
->emitted_jiffies
));
316 mutex_unlock(&dev
->struct_mutex
);
319 seq_printf(m
, "No requests\n");
324 static void i915_ring_seqno_info(struct seq_file
*m
,
325 struct intel_ring_buffer
*ring
)
327 if (ring
->get_seqno
) {
328 seq_printf(m
, "Current sequence (%s): %d\n",
329 ring
->name
, ring
->get_seqno(ring
));
330 seq_printf(m
, "Waiter sequence (%s): %d\n",
331 ring
->name
, ring
->waiting_seqno
);
332 seq_printf(m
, "IRQ sequence (%s): %d\n",
333 ring
->name
, ring
->irq_seqno
);
337 static int i915_gem_seqno_info(struct seq_file
*m
, void *data
)
339 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
340 struct drm_device
*dev
= node
->minor
->dev
;
341 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
344 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
348 i915_ring_seqno_info(m
, &dev_priv
->render_ring
);
349 i915_ring_seqno_info(m
, &dev_priv
->bsd_ring
);
350 i915_ring_seqno_info(m
, &dev_priv
->blt_ring
);
352 mutex_unlock(&dev
->struct_mutex
);
358 static int i915_interrupt_info(struct seq_file
*m
, void *data
)
360 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
361 struct drm_device
*dev
= node
->minor
->dev
;
362 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
365 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
369 if (!HAS_PCH_SPLIT(dev
)) {
370 seq_printf(m
, "Interrupt enable: %08x\n",
372 seq_printf(m
, "Interrupt identity: %08x\n",
374 seq_printf(m
, "Interrupt mask: %08x\n",
376 seq_printf(m
, "Pipe A stat: %08x\n",
377 I915_READ(PIPEASTAT
));
378 seq_printf(m
, "Pipe B stat: %08x\n",
379 I915_READ(PIPEBSTAT
));
381 seq_printf(m
, "North Display Interrupt enable: %08x\n",
383 seq_printf(m
, "North Display Interrupt identity: %08x\n",
385 seq_printf(m
, "North Display Interrupt mask: %08x\n",
387 seq_printf(m
, "South Display Interrupt enable: %08x\n",
389 seq_printf(m
, "South Display Interrupt identity: %08x\n",
391 seq_printf(m
, "South Display Interrupt mask: %08x\n",
393 seq_printf(m
, "Graphics Interrupt enable: %08x\n",
395 seq_printf(m
, "Graphics Interrupt identity: %08x\n",
397 seq_printf(m
, "Graphics Interrupt mask: %08x\n",
400 seq_printf(m
, "Interrupts received: %d\n",
401 atomic_read(&dev_priv
->irq_received
));
402 i915_ring_seqno_info(m
, &dev_priv
->render_ring
);
403 i915_ring_seqno_info(m
, &dev_priv
->bsd_ring
);
404 i915_ring_seqno_info(m
, &dev_priv
->blt_ring
);
405 mutex_unlock(&dev
->struct_mutex
);
410 static int i915_gem_fence_regs_info(struct seq_file
*m
, void *data
)
412 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
413 struct drm_device
*dev
= node
->minor
->dev
;
414 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
417 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
421 seq_printf(m
, "Reserved fences = %d\n", dev_priv
->fence_reg_start
);
422 seq_printf(m
, "Total fences = %d\n", dev_priv
->num_fence_regs
);
423 for (i
= 0; i
< dev_priv
->num_fence_regs
; i
++) {
424 struct drm_gem_object
*obj
= dev_priv
->fence_regs
[i
].obj
;
426 seq_printf(m
, "Fenced object[%2d] = ", i
);
428 seq_printf(m
, "unused");
430 describe_obj(m
, to_intel_bo(obj
));
433 mutex_unlock(&dev
->struct_mutex
);
438 static int i915_hws_info(struct seq_file
*m
, void *data
)
440 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
441 struct drm_device
*dev
= node
->minor
->dev
;
442 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
443 struct intel_ring_buffer
*ring
;
447 switch ((uintptr_t)node
->info_ent
->data
) {
448 case RING_RENDER
: ring
= &dev_priv
->render_ring
; break;
449 case RING_BSD
: ring
= &dev_priv
->bsd_ring
; break;
450 case RING_BLT
: ring
= &dev_priv
->blt_ring
; break;
451 default: return -EINVAL
;
454 hws
= (volatile u32
*)ring
->status_page
.page_addr
;
458 for (i
= 0; i
< 4096 / sizeof(u32
) / 4; i
+= 4) {
459 seq_printf(m
, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
461 hws
[i
], hws
[i
+ 1], hws
[i
+ 2], hws
[i
+ 3]);
466 static void i915_dump_object(struct seq_file
*m
,
467 struct io_mapping
*mapping
,
468 struct drm_i915_gem_object
*obj_priv
)
470 int page
, page_count
, i
;
472 page_count
= obj_priv
->base
.size
/ PAGE_SIZE
;
473 for (page
= 0; page
< page_count
; page
++) {
474 u32
*mem
= io_mapping_map_wc(mapping
,
475 obj_priv
->gtt_offset
+ page
* PAGE_SIZE
);
476 for (i
= 0; i
< PAGE_SIZE
; i
+= 4)
477 seq_printf(m
, "%08x : %08x\n", i
, mem
[i
/ 4]);
478 io_mapping_unmap(mem
);
482 static int i915_batchbuffer_info(struct seq_file
*m
, void *data
)
484 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
485 struct drm_device
*dev
= node
->minor
->dev
;
486 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
487 struct drm_gem_object
*obj
;
488 struct drm_i915_gem_object
*obj_priv
;
491 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
495 list_for_each_entry(obj_priv
, &dev_priv
->mm
.active_list
, mm_list
) {
496 obj
= &obj_priv
->base
;
497 if (obj
->read_domains
& I915_GEM_DOMAIN_COMMAND
) {
498 seq_printf(m
, "--- gtt_offset = 0x%08x\n",
499 obj_priv
->gtt_offset
);
500 i915_dump_object(m
, dev_priv
->mm
.gtt_mapping
, obj_priv
);
504 mutex_unlock(&dev
->struct_mutex
);
509 static int i915_ringbuffer_data(struct seq_file
*m
, void *data
)
511 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
512 struct drm_device
*dev
= node
->minor
->dev
;
513 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
514 struct intel_ring_buffer
*ring
;
517 switch ((uintptr_t)node
->info_ent
->data
) {
518 case RING_RENDER
: ring
= &dev_priv
->render_ring
; break;
519 case RING_BSD
: ring
= &dev_priv
->bsd_ring
; break;
520 case RING_BLT
: ring
= &dev_priv
->blt_ring
; break;
521 default: return -EINVAL
;
524 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
528 if (!ring
->gem_object
) {
529 seq_printf(m
, "No ringbuffer setup\n");
531 u8
*virt
= ring
->virtual_start
;
534 for (off
= 0; off
< ring
->size
; off
+= 4) {
535 uint32_t *ptr
= (uint32_t *)(virt
+ off
);
536 seq_printf(m
, "%08x : %08x\n", off
, *ptr
);
539 mutex_unlock(&dev
->struct_mutex
);
544 static int i915_ringbuffer_info(struct seq_file
*m
, void *data
)
546 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
547 struct drm_device
*dev
= node
->minor
->dev
;
548 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
549 struct intel_ring_buffer
*ring
;
551 switch ((uintptr_t)node
->info_ent
->data
) {
552 case RING_RENDER
: ring
= &dev_priv
->render_ring
; break;
553 case RING_BSD
: ring
= &dev_priv
->bsd_ring
; break;
554 case RING_BLT
: ring
= &dev_priv
->blt_ring
; break;
555 default: return -EINVAL
;
561 seq_printf(m
, "Ring %s:\n", ring
->name
);
562 seq_printf(m
, " Head : %08x\n", I915_READ_HEAD(ring
) & HEAD_ADDR
);
563 seq_printf(m
, " Tail : %08x\n", I915_READ_TAIL(ring
) & TAIL_ADDR
);
564 seq_printf(m
, " Size : %08x\n", ring
->size
);
565 seq_printf(m
, " Active : %08x\n", intel_ring_get_active_head(ring
));
566 seq_printf(m
, " Control : %08x\n", I915_READ_CTL(ring
));
567 seq_printf(m
, " Start : %08x\n", I915_READ_START(ring
));
572 static const char *ring_str(int ring
)
575 case RING_RENDER
: return "render";
576 case RING_BSD
: return "bsd";
577 case RING_BLT
: return "blt";
582 static const char *pin_flag(int pinned
)
592 static const char *tiling_flag(int tiling
)
596 case I915_TILING_NONE
: return "";
597 case I915_TILING_X
: return " X";
598 case I915_TILING_Y
: return " Y";
602 static const char *dirty_flag(int dirty
)
604 return dirty
? " dirty" : "";
607 static const char *purgeable_flag(int purgeable
)
609 return purgeable
? " purgeable" : "";
612 static int i915_error_state(struct seq_file
*m
, void *unused
)
614 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
615 struct drm_device
*dev
= node
->minor
->dev
;
616 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
617 struct drm_i915_error_state
*error
;
619 int i
, page
, offset
, elt
;
621 spin_lock_irqsave(&dev_priv
->error_lock
, flags
);
622 if (!dev_priv
->first_error
) {
623 seq_printf(m
, "no error state collected\n");
627 error
= dev_priv
->first_error
;
629 seq_printf(m
, "Time: %ld s %ld us\n", error
->time
.tv_sec
,
630 error
->time
.tv_usec
);
631 seq_printf(m
, "PCI ID: 0x%04x\n", dev
->pci_device
);
632 seq_printf(m
, "EIR: 0x%08x\n", error
->eir
);
633 seq_printf(m
, "PGTBL_ER: 0x%08x\n", error
->pgtbl_er
);
634 if (INTEL_INFO(dev
)->gen
>= 6) {
635 seq_printf(m
, "ERROR: 0x%08x\n", error
->error
);
636 seq_printf(m
, "Blitter command stream:\n");
637 seq_printf(m
, " ACTHD: 0x%08x\n", error
->bcs_acthd
);
638 seq_printf(m
, " IPEIR: 0x%08x\n", error
->bcs_ipeir
);
639 seq_printf(m
, " IPEHR: 0x%08x\n", error
->bcs_ipehr
);
640 seq_printf(m
, " INSTDONE: 0x%08x\n", error
->bcs_instdone
);
641 seq_printf(m
, " seqno: 0x%08x\n", error
->bcs_seqno
);
642 seq_printf(m
, "Video (BSD) command stream:\n");
643 seq_printf(m
, " ACTHD: 0x%08x\n", error
->vcs_acthd
);
644 seq_printf(m
, " IPEIR: 0x%08x\n", error
->vcs_ipeir
);
645 seq_printf(m
, " IPEHR: 0x%08x\n", error
->vcs_ipehr
);
646 seq_printf(m
, " INSTDONE: 0x%08x\n", error
->vcs_instdone
);
647 seq_printf(m
, " seqno: 0x%08x\n", error
->vcs_seqno
);
649 seq_printf(m
, "Render command stream:\n");
650 seq_printf(m
, " ACTHD: 0x%08x\n", error
->acthd
);
651 seq_printf(m
, " IPEIR: 0x%08x\n", error
->ipeir
);
652 seq_printf(m
, " IPEHR: 0x%08x\n", error
->ipehr
);
653 seq_printf(m
, " INSTDONE: 0x%08x\n", error
->instdone
);
654 if (INTEL_INFO(dev
)->gen
>= 4) {
655 seq_printf(m
, " INSTDONE1: 0x%08x\n", error
->instdone1
);
656 seq_printf(m
, " INSTPS: 0x%08x\n", error
->instps
);
658 seq_printf(m
, " INSTPM: 0x%08x\n", error
->instpm
);
659 seq_printf(m
, " seqno: 0x%08x\n", error
->seqno
);
661 if (error
->active_bo_count
) {
662 seq_printf(m
, "Buffers [%d]:\n", error
->active_bo_count
);
664 for (i
= 0; i
< error
->active_bo_count
; i
++) {
665 seq_printf(m
, " %08x %8zd %08x %08x %08x%s%s%s%s %s",
666 error
->active_bo
[i
].gtt_offset
,
667 error
->active_bo
[i
].size
,
668 error
->active_bo
[i
].read_domains
,
669 error
->active_bo
[i
].write_domain
,
670 error
->active_bo
[i
].seqno
,
671 pin_flag(error
->active_bo
[i
].pinned
),
672 tiling_flag(error
->active_bo
[i
].tiling
),
673 dirty_flag(error
->active_bo
[i
].dirty
),
674 purgeable_flag(error
->active_bo
[i
].purgeable
),
675 ring_str(error
->active_bo
[i
].ring
));
677 if (error
->active_bo
[i
].name
)
678 seq_printf(m
, " (name: %d)", error
->active_bo
[i
].name
);
679 if (error
->active_bo
[i
].fence_reg
!= I915_FENCE_REG_NONE
)
680 seq_printf(m
, " (fence: %d)", error
->active_bo
[i
].fence_reg
);
686 for (i
= 0; i
< ARRAY_SIZE(error
->batchbuffer
); i
++) {
687 if (error
->batchbuffer
[i
]) {
688 struct drm_i915_error_object
*obj
= error
->batchbuffer
[i
];
690 seq_printf(m
, "--- gtt_offset = 0x%08x\n", obj
->gtt_offset
);
692 for (page
= 0; page
< obj
->page_count
; page
++) {
693 for (elt
= 0; elt
< PAGE_SIZE
/4; elt
++) {
694 seq_printf(m
, "%08x : %08x\n", offset
, obj
->pages
[page
][elt
]);
701 if (error
->ringbuffer
) {
702 struct drm_i915_error_object
*obj
= error
->ringbuffer
;
704 seq_printf(m
, "--- ringbuffer = 0x%08x\n", obj
->gtt_offset
);
706 for (page
= 0; page
< obj
->page_count
; page
++) {
707 for (elt
= 0; elt
< PAGE_SIZE
/4; elt
++) {
708 seq_printf(m
, "%08x : %08x\n", offset
, obj
->pages
[page
][elt
]);
715 intel_overlay_print_error_state(m
, error
->overlay
);
718 spin_unlock_irqrestore(&dev_priv
->error_lock
, flags
);
723 static int i915_rstdby_delays(struct seq_file
*m
, void *unused
)
725 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
726 struct drm_device
*dev
= node
->minor
->dev
;
727 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
728 u16 crstanddelay
= I915_READ16(CRSTANDVID
);
730 seq_printf(m
, "w/ctx: %d, w/o ctx: %d\n", (crstanddelay
>> 8) & 0x3f, (crstanddelay
& 0x3f));
735 static int i915_cur_delayinfo(struct seq_file
*m
, void *unused
)
737 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
738 struct drm_device
*dev
= node
->minor
->dev
;
739 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
740 u16 rgvswctl
= I915_READ16(MEMSWCTL
);
741 u16 rgvstat
= I915_READ16(MEMSTAT_ILK
);
743 seq_printf(m
, "Requested P-state: %d\n", (rgvswctl
>> 8) & 0xf);
744 seq_printf(m
, "Requested VID: %d\n", rgvswctl
& 0x3f);
745 seq_printf(m
, "Current VID: %d\n", (rgvstat
& MEMSTAT_VID_MASK
) >>
747 seq_printf(m
, "Current P-state: %d\n",
748 (rgvstat
& MEMSTAT_PSTATE_MASK
) >> MEMSTAT_PSTATE_SHIFT
);
753 static int i915_delayfreq_table(struct seq_file
*m
, void *unused
)
755 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
756 struct drm_device
*dev
= node
->minor
->dev
;
757 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
761 for (i
= 0; i
< 16; i
++) {
762 delayfreq
= I915_READ(PXVFREQ_BASE
+ i
* 4);
763 seq_printf(m
, "P%02dVIDFREQ: 0x%08x (VID: %d)\n", i
, delayfreq
,
764 (delayfreq
& PXVFREQ_PX_MASK
) >> PXVFREQ_PX_SHIFT
);
770 static inline int MAP_TO_MV(int map
)
772 return 1250 - (map
* 25);
775 static int i915_inttoext_table(struct seq_file
*m
, void *unused
)
777 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
778 struct drm_device
*dev
= node
->minor
->dev
;
779 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
783 for (i
= 1; i
<= 32; i
++) {
784 inttoext
= I915_READ(INTTOEXT_BASE_ILK
+ i
* 4);
785 seq_printf(m
, "INTTOEXT%02d: 0x%08x\n", i
, inttoext
);
791 static int i915_drpc_info(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 u32 rgvmodectl
= I915_READ(MEMMODECTL
);
797 u32 rstdbyctl
= I915_READ(MCHBAR_RENDER_STANDBY
);
798 u16 crstandvid
= I915_READ16(CRSTANDVID
);
800 seq_printf(m
, "HD boost: %s\n", (rgvmodectl
& MEMMODE_BOOST_EN
) ?
802 seq_printf(m
, "Boost freq: %d\n",
803 (rgvmodectl
& MEMMODE_BOOST_FREQ_MASK
) >>
804 MEMMODE_BOOST_FREQ_SHIFT
);
805 seq_printf(m
, "HW control enabled: %s\n",
806 rgvmodectl
& MEMMODE_HWIDLE_EN
? "yes" : "no");
807 seq_printf(m
, "SW control enabled: %s\n",
808 rgvmodectl
& MEMMODE_SWMODE_EN
? "yes" : "no");
809 seq_printf(m
, "Gated voltage change: %s\n",
810 rgvmodectl
& MEMMODE_RCLK_GATE
? "yes" : "no");
811 seq_printf(m
, "Starting frequency: P%d\n",
812 (rgvmodectl
& MEMMODE_FSTART_MASK
) >> MEMMODE_FSTART_SHIFT
);
813 seq_printf(m
, "Max P-state: P%d\n",
814 (rgvmodectl
& MEMMODE_FMAX_MASK
) >> MEMMODE_FMAX_SHIFT
);
815 seq_printf(m
, "Min P-state: P%d\n", (rgvmodectl
& MEMMODE_FMIN_MASK
));
816 seq_printf(m
, "RS1 VID: %d\n", (crstandvid
& 0x3f));
817 seq_printf(m
, "RS2 VID: %d\n", ((crstandvid
>> 8) & 0x3f));
818 seq_printf(m
, "Render standby enabled: %s\n",
819 (rstdbyctl
& RCX_SW_EXIT
) ? "no" : "yes");
824 static int i915_fbc_status(struct seq_file
*m
, void *unused
)
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
;
830 if (!I915_HAS_FBC(dev
)) {
831 seq_printf(m
, "FBC unsupported on this chipset\n");
835 if (intel_fbc_enabled(dev
)) {
836 seq_printf(m
, "FBC enabled\n");
838 seq_printf(m
, "FBC disabled: ");
839 switch (dev_priv
->no_fbc_reason
) {
841 seq_printf(m
, "no outputs");
843 case FBC_STOLEN_TOO_SMALL
:
844 seq_printf(m
, "not enough stolen memory");
846 case FBC_UNSUPPORTED_MODE
:
847 seq_printf(m
, "mode not supported");
849 case FBC_MODE_TOO_LARGE
:
850 seq_printf(m
, "mode too large");
853 seq_printf(m
, "FBC unsupported on plane");
856 seq_printf(m
, "scanout buffer not tiled");
858 case FBC_MULTIPLE_PIPES
:
859 seq_printf(m
, "multiple pipes are enabled");
862 seq_printf(m
, "unknown reason");
869 static int i915_sr_status(struct seq_file
*m
, void *unused
)
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 bool sr_enabled
= false;
877 sr_enabled
= I915_READ(WM1_LP_ILK
) & WM1_LP_SR_EN
;
878 else if (IS_CRESTLINE(dev
) || IS_I945G(dev
) || IS_I945GM(dev
))
879 sr_enabled
= I915_READ(FW_BLC_SELF
) & FW_BLC_SELF_EN
;
880 else if (IS_I915GM(dev
))
881 sr_enabled
= I915_READ(INSTPM
) & INSTPM_SELF_EN
;
882 else if (IS_PINEVIEW(dev
))
883 sr_enabled
= I915_READ(DSPFW3
) & PINEVIEW_SELF_REFRESH_EN
;
885 seq_printf(m
, "self-refresh: %s\n",
886 sr_enabled
? "enabled" : "disabled");
891 static int i915_emon_status(struct seq_file
*m
, void *unused
)
893 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
894 struct drm_device
*dev
= node
->minor
->dev
;
895 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
896 unsigned long temp
, chipset
, gfx
;
899 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
903 temp
= i915_mch_val(dev_priv
);
904 chipset
= i915_chipset_val(dev_priv
);
905 gfx
= i915_gfx_val(dev_priv
);
906 mutex_unlock(&dev
->struct_mutex
);
908 seq_printf(m
, "GMCH temp: %ld\n", temp
);
909 seq_printf(m
, "Chipset power: %ld\n", chipset
);
910 seq_printf(m
, "GFX power: %ld\n", gfx
);
911 seq_printf(m
, "Total power: %ld\n", chipset
+ gfx
);
916 static int i915_gfxec(struct seq_file
*m
, void *unused
)
918 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
919 struct drm_device
*dev
= node
->minor
->dev
;
920 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
922 seq_printf(m
, "GFXEC: %ld\n", (unsigned long)I915_READ(0x112f4));
927 static int i915_opregion(struct seq_file
*m
, void *unused
)
929 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
930 struct drm_device
*dev
= node
->minor
->dev
;
931 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
932 struct intel_opregion
*opregion
= &dev_priv
->opregion
;
935 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
939 if (opregion
->header
)
940 seq_write(m
, opregion
->header
, OPREGION_SIZE
);
942 mutex_unlock(&dev
->struct_mutex
);
947 static int i915_gem_framebuffer_info(struct seq_file
*m
, void *data
)
949 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
950 struct drm_device
*dev
= node
->minor
->dev
;
951 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
952 struct intel_fbdev
*ifbdev
;
953 struct intel_framebuffer
*fb
;
956 ret
= mutex_lock_interruptible(&dev
->mode_config
.mutex
);
960 ifbdev
= dev_priv
->fbdev
;
961 fb
= to_intel_framebuffer(ifbdev
->helper
.fb
);
963 seq_printf(m
, "fbcon size: %d x %d, depth %d, %d bpp, obj ",
967 fb
->base
.bits_per_pixel
);
968 describe_obj(m
, to_intel_bo(fb
->obj
));
971 list_for_each_entry(fb
, &dev
->mode_config
.fb_list
, base
.head
) {
972 if (&fb
->base
== ifbdev
->helper
.fb
)
975 seq_printf(m
, "user size: %d x %d, depth %d, %d bpp, obj ",
979 fb
->base
.bits_per_pixel
);
980 describe_obj(m
, to_intel_bo(fb
->obj
));
984 mutex_unlock(&dev
->mode_config
.mutex
);
990 i915_wedged_open(struct inode
*inode
,
993 filp
->private_data
= inode
->i_private
;
998 i915_wedged_read(struct file
*filp
,
1003 struct drm_device
*dev
= filp
->private_data
;
1004 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1008 len
= snprintf(buf
, sizeof (buf
),
1010 atomic_read(&dev_priv
->mm
.wedged
));
1012 if (len
> sizeof (buf
))
1015 return simple_read_from_buffer(ubuf
, max
, ppos
, buf
, len
);
1019 i915_wedged_write(struct file
*filp
,
1020 const char __user
*ubuf
,
1024 struct drm_device
*dev
= filp
->private_data
;
1029 if (cnt
> sizeof (buf
) - 1)
1032 if (copy_from_user(buf
, ubuf
, cnt
))
1036 val
= simple_strtoul(buf
, NULL
, 0);
1039 DRM_INFO("Manually setting wedged to %d\n", val
);
1040 i915_handle_error(dev
, val
);
1045 static const struct file_operations i915_wedged_fops
= {
1046 .owner
= THIS_MODULE
,
1047 .open
= i915_wedged_open
,
1048 .read
= i915_wedged_read
,
1049 .write
= i915_wedged_write
,
1050 .llseek
= default_llseek
,
1053 /* As the drm_debugfs_init() routines are called before dev->dev_private is
1054 * allocated we need to hook into the minor for release. */
1056 drm_add_fake_info_node(struct drm_minor
*minor
,
1060 struct drm_info_node
*node
;
1062 node
= kmalloc(sizeof(struct drm_info_node
), GFP_KERNEL
);
1064 debugfs_remove(ent
);
1068 node
->minor
= minor
;
1070 node
->info_ent
= (void *) key
;
1071 list_add(&node
->list
, &minor
->debugfs_nodes
.list
);
1076 static int i915_wedged_create(struct dentry
*root
, struct drm_minor
*minor
)
1078 struct drm_device
*dev
= minor
->dev
;
1081 ent
= debugfs_create_file("i915_wedged",
1086 return PTR_ERR(ent
);
1088 return drm_add_fake_info_node(minor
, ent
, &i915_wedged_fops
);
1091 static struct drm_info_list i915_debugfs_list
[] = {
1092 {"i915_capabilities", i915_capabilities
, 0, 0},
1093 {"i915_gem_objects", i915_gem_object_info
, 0},
1094 {"i915_gem_active", i915_gem_object_list_info
, 0, (void *) ACTIVE_LIST
},
1095 {"i915_gem_flushing", i915_gem_object_list_info
, 0, (void *) FLUSHING_LIST
},
1096 {"i915_gem_inactive", i915_gem_object_list_info
, 0, (void *) INACTIVE_LIST
},
1097 {"i915_gem_pinned", i915_gem_object_list_info
, 0, (void *) PINNED_LIST
},
1098 {"i915_gem_deferred_free", i915_gem_object_list_info
, 0, (void *) DEFERRED_FREE_LIST
},
1099 {"i915_gem_pageflip", i915_gem_pageflip_info
, 0},
1100 {"i915_gem_request", i915_gem_request_info
, 0},
1101 {"i915_gem_seqno", i915_gem_seqno_info
, 0},
1102 {"i915_gem_fence_regs", i915_gem_fence_regs_info
, 0},
1103 {"i915_gem_interrupt", i915_interrupt_info
, 0},
1104 {"i915_gem_hws", i915_hws_info
, 0, (void *)RING_RENDER
},
1105 {"i915_gem_hws_blt", i915_hws_info
, 0, (void *)RING_BLT
},
1106 {"i915_gem_hws_bsd", i915_hws_info
, 0, (void *)RING_BSD
},
1107 {"i915_ringbuffer_data", i915_ringbuffer_data
, 0, (void *)RING_RENDER
},
1108 {"i915_ringbuffer_info", i915_ringbuffer_info
, 0, (void *)RING_RENDER
},
1109 {"i915_bsd_ringbuffer_data", i915_ringbuffer_data
, 0, (void *)RING_BSD
},
1110 {"i915_bsd_ringbuffer_info", i915_ringbuffer_info
, 0, (void *)RING_BSD
},
1111 {"i915_blt_ringbuffer_data", i915_ringbuffer_data
, 0, (void *)RING_BLT
},
1112 {"i915_blt_ringbuffer_info", i915_ringbuffer_info
, 0, (void *)RING_BLT
},
1113 {"i915_batchbuffers", i915_batchbuffer_info
, 0},
1114 {"i915_error_state", i915_error_state
, 0},
1115 {"i915_rstdby_delays", i915_rstdby_delays
, 0},
1116 {"i915_cur_delayinfo", i915_cur_delayinfo
, 0},
1117 {"i915_delayfreq_table", i915_delayfreq_table
, 0},
1118 {"i915_inttoext_table", i915_inttoext_table
, 0},
1119 {"i915_drpc_info", i915_drpc_info
, 0},
1120 {"i915_emon_status", i915_emon_status
, 0},
1121 {"i915_gfxec", i915_gfxec
, 0},
1122 {"i915_fbc_status", i915_fbc_status
, 0},
1123 {"i915_sr_status", i915_sr_status
, 0},
1124 {"i915_opregion", i915_opregion
, 0},
1125 {"i915_gem_framebuffer", i915_gem_framebuffer_info
, 0},
1127 #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
1129 int i915_debugfs_init(struct drm_minor
*minor
)
1133 ret
= i915_wedged_create(minor
->debugfs_root
, minor
);
1137 return drm_debugfs_create_files(i915_debugfs_list
,
1138 I915_DEBUGFS_ENTRIES
,
1139 minor
->debugfs_root
, minor
);
1142 void i915_debugfs_cleanup(struct drm_minor
*minor
)
1144 drm_debugfs_remove_files(i915_debugfs_list
,
1145 I915_DEBUGFS_ENTRIES
, minor
);
1146 drm_debugfs_remove_files((struct drm_info_list
*) &i915_wedged_fops
,
1150 #endif /* CONFIG_DEBUG_FS */