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)
57 static const char *yesno(int v
)
59 return v
? "yes" : "no";
62 static int i915_capabilities(struct seq_file
*m
, void *data
)
64 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
65 struct drm_device
*dev
= node
->minor
->dev
;
66 const struct intel_device_info
*info
= INTEL_INFO(dev
);
68 seq_printf(m
, "gen: %d\n", info
->gen
);
69 #define B(x) seq_printf(m, #x ": %s\n", yesno(info->x))
84 B(cursor_needs_physical
);
86 B(overlay_needs_physical
);
95 static const char *get_pin_flag(struct drm_i915_gem_object
*obj_priv
)
97 if (obj_priv
->user_pin_count
> 0)
99 else if (obj_priv
->pin_count
> 0)
105 static const char *get_tiling_flag(struct drm_i915_gem_object
*obj_priv
)
107 switch (obj_priv
->tiling_mode
) {
109 case I915_TILING_NONE
: return " ";
110 case I915_TILING_X
: return "X";
111 case I915_TILING_Y
: return "Y";
116 describe_obj(struct seq_file
*m
, struct drm_i915_gem_object
*obj
)
118 seq_printf(m
, "%p: %s%s %8zd %08x %08x %d%s%s",
121 get_tiling_flag(obj
),
123 obj
->base
.read_domains
,
124 obj
->base
.write_domain
,
125 obj
->last_rendering_seqno
,
126 obj
->dirty
? " dirty" : "",
127 obj
->madv
== I915_MADV_DONTNEED
? " purgeable" : "");
129 seq_printf(m
, " (name: %d)", obj
->base
.name
);
130 if (obj
->fence_reg
!= I915_FENCE_REG_NONE
)
131 seq_printf(m
, " (fence: %d)", obj
->fence_reg
);
132 if (obj
->gtt_space
!= NULL
)
133 seq_printf(m
, " (gtt_offset: %08x)", obj
->gtt_offset
);
134 if (obj
->ring
!= NULL
)
135 seq_printf(m
, " (%s)", obj
->ring
->name
);
138 static int i915_gem_object_list_info(struct seq_file
*m
, void *data
)
140 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
141 uintptr_t list
= (uintptr_t) node
->info_ent
->data
;
142 struct list_head
*head
;
143 struct drm_device
*dev
= node
->minor
->dev
;
144 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
145 struct drm_i915_gem_object
*obj_priv
;
146 size_t total_obj_size
, total_gtt_size
;
149 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
155 seq_printf(m
, "Active:\n");
156 head
= &dev_priv
->mm
.active_list
;
159 seq_printf(m
, "Inactive:\n");
160 head
= &dev_priv
->mm
.inactive_list
;
163 seq_printf(m
, "Pinned:\n");
164 head
= &dev_priv
->mm
.pinned_list
;
167 seq_printf(m
, "Flushing:\n");
168 head
= &dev_priv
->mm
.flushing_list
;
170 case DEFERRED_FREE_LIST
:
171 seq_printf(m
, "Deferred free:\n");
172 head
= &dev_priv
->mm
.deferred_free_list
;
175 mutex_unlock(&dev
->struct_mutex
);
179 total_obj_size
= total_gtt_size
= count
= 0;
180 list_for_each_entry(obj_priv
, head
, mm_list
) {
182 describe_obj(m
, obj_priv
);
184 total_obj_size
+= obj_priv
->base
.size
;
185 total_gtt_size
+= obj_priv
->gtt_space
->size
;
188 mutex_unlock(&dev
->struct_mutex
);
190 seq_printf(m
, "Total %d objects, %zu bytes, %zu GTT size\n",
191 count
, total_obj_size
, total_gtt_size
);
195 static int i915_gem_object_info(struct seq_file
*m
, void* data
)
197 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
198 struct drm_device
*dev
= node
->minor
->dev
;
199 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
202 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
206 seq_printf(m
, "%u objects\n", dev_priv
->mm
.object_count
);
207 seq_printf(m
, "%zu object bytes\n", dev_priv
->mm
.object_memory
);
208 seq_printf(m
, "%u pinned\n", dev_priv
->mm
.pin_count
);
209 seq_printf(m
, "%zu pin bytes\n", dev_priv
->mm
.pin_memory
);
210 seq_printf(m
, "%u objects in gtt\n", dev_priv
->mm
.gtt_count
);
211 seq_printf(m
, "%zu gtt bytes\n", dev_priv
->mm
.gtt_memory
);
212 seq_printf(m
, "%zu gtt total\n", dev_priv
->mm
.gtt_total
);
214 mutex_unlock(&dev
->struct_mutex
);
220 static int i915_gem_pageflip_info(struct seq_file
*m
, void *data
)
222 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
223 struct drm_device
*dev
= node
->minor
->dev
;
225 struct intel_crtc
*crtc
;
227 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, base
.head
) {
228 const char *pipe
= crtc
->pipe
? "B" : "A";
229 const char *plane
= crtc
->plane
? "B" : "A";
230 struct intel_unpin_work
*work
;
232 spin_lock_irqsave(&dev
->event_lock
, flags
);
233 work
= crtc
->unpin_work
;
235 seq_printf(m
, "No flip due on pipe %s (plane %s)\n",
238 if (!work
->pending
) {
239 seq_printf(m
, "Flip queued on pipe %s (plane %s)\n",
242 seq_printf(m
, "Flip pending (waiting for vsync) on pipe %s (plane %s)\n",
245 if (work
->enable_stall_check
)
246 seq_printf(m
, "Stall check enabled, ");
248 seq_printf(m
, "Stall check waiting for page flip ioctl, ");
249 seq_printf(m
, "%d prepares\n", work
->pending
);
251 if (work
->old_fb_obj
) {
252 struct drm_i915_gem_object
*obj_priv
= to_intel_bo(work
->old_fb_obj
);
254 seq_printf(m
, "Old framebuffer gtt_offset 0x%08x\n", obj_priv
->gtt_offset
);
256 if (work
->pending_flip_obj
) {
257 struct drm_i915_gem_object
*obj_priv
= to_intel_bo(work
->pending_flip_obj
);
259 seq_printf(m
, "New framebuffer gtt_offset 0x%08x\n", obj_priv
->gtt_offset
);
262 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
268 static int i915_gem_request_info(struct seq_file
*m
, void *data
)
270 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
271 struct drm_device
*dev
= node
->minor
->dev
;
272 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
273 struct drm_i915_gem_request
*gem_request
;
276 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
281 if (!list_empty(&dev_priv
->render_ring
.request_list
)) {
282 seq_printf(m
, "Render requests:\n");
283 list_for_each_entry(gem_request
,
284 &dev_priv
->render_ring
.request_list
,
286 seq_printf(m
, " %d @ %d\n",
288 (int) (jiffies
- gem_request
->emitted_jiffies
));
292 if (!list_empty(&dev_priv
->bsd_ring
.request_list
)) {
293 seq_printf(m
, "BSD requests:\n");
294 list_for_each_entry(gem_request
,
295 &dev_priv
->bsd_ring
.request_list
,
297 seq_printf(m
, " %d @ %d\n",
299 (int) (jiffies
- gem_request
->emitted_jiffies
));
303 if (!list_empty(&dev_priv
->blt_ring
.request_list
)) {
304 seq_printf(m
, "BLT requests:\n");
305 list_for_each_entry(gem_request
,
306 &dev_priv
->blt_ring
.request_list
,
308 seq_printf(m
, " %d @ %d\n",
310 (int) (jiffies
- gem_request
->emitted_jiffies
));
314 mutex_unlock(&dev
->struct_mutex
);
317 seq_printf(m
, "No requests\n");
322 static int i915_gem_seqno_info(struct seq_file
*m
, void *data
)
324 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
325 struct drm_device
*dev
= node
->minor
->dev
;
326 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
329 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
333 if (dev_priv
->render_ring
.status_page
.page_addr
!= NULL
) {
334 seq_printf(m
, "Current sequence: %d\n",
335 dev_priv
->render_ring
.get_seqno(&dev_priv
->render_ring
));
337 seq_printf(m
, "Current sequence: hws uninitialized\n");
339 seq_printf(m
, "Waiter sequence: %d\n",
340 dev_priv
->mm
.waiting_gem_seqno
);
341 seq_printf(m
, "IRQ sequence: %d\n", dev_priv
->mm
.irq_gem_seqno
);
343 mutex_unlock(&dev
->struct_mutex
);
349 static int i915_interrupt_info(struct seq_file
*m
, void *data
)
351 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
352 struct drm_device
*dev
= node
->minor
->dev
;
353 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
356 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
360 if (!HAS_PCH_SPLIT(dev
)) {
361 seq_printf(m
, "Interrupt enable: %08x\n",
363 seq_printf(m
, "Interrupt identity: %08x\n",
365 seq_printf(m
, "Interrupt mask: %08x\n",
367 seq_printf(m
, "Pipe A stat: %08x\n",
368 I915_READ(PIPEASTAT
));
369 seq_printf(m
, "Pipe B stat: %08x\n",
370 I915_READ(PIPEBSTAT
));
372 seq_printf(m
, "North Display Interrupt enable: %08x\n",
374 seq_printf(m
, "North Display Interrupt identity: %08x\n",
376 seq_printf(m
, "North Display Interrupt mask: %08x\n",
378 seq_printf(m
, "South Display Interrupt enable: %08x\n",
380 seq_printf(m
, "South Display Interrupt identity: %08x\n",
382 seq_printf(m
, "South Display Interrupt mask: %08x\n",
384 seq_printf(m
, "Graphics Interrupt enable: %08x\n",
386 seq_printf(m
, "Graphics Interrupt identity: %08x\n",
388 seq_printf(m
, "Graphics Interrupt mask: %08x\n",
391 seq_printf(m
, "Interrupts received: %d\n",
392 atomic_read(&dev_priv
->irq_received
));
393 if (dev_priv
->render_ring
.get_seqno
) {
394 seq_printf(m
, "Current sequence (render): %d\n",
395 dev_priv
->render_ring
.get_seqno(&dev_priv
->render_ring
));
397 if (dev_priv
->bsd_ring
.get_seqno
) {
398 seq_printf(m
, "Current sequence (BSD): %d\n",
399 dev_priv
->bsd_ring
.get_seqno(&dev_priv
->bsd_ring
));
401 if (dev_priv
->blt_ring
.get_seqno
) {
402 seq_printf(m
, "Current sequence (BLT): %d\n",
403 dev_priv
->blt_ring
.get_seqno(&dev_priv
->blt_ring
));
405 seq_printf(m
, "Waiter sequence: %d\n",
406 dev_priv
->mm
.waiting_gem_seqno
);
407 seq_printf(m
, "IRQ sequence: %d\n",
408 dev_priv
->mm
.irq_gem_seqno
);
409 mutex_unlock(&dev
->struct_mutex
);
414 static int i915_gem_fence_regs_info(struct seq_file
*m
, void *data
)
416 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
417 struct drm_device
*dev
= node
->minor
->dev
;
418 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
421 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
425 seq_printf(m
, "Reserved fences = %d\n", dev_priv
->fence_reg_start
);
426 seq_printf(m
, "Total fences = %d\n", dev_priv
->num_fence_regs
);
427 for (i
= 0; i
< dev_priv
->num_fence_regs
; i
++) {
428 struct drm_gem_object
*obj
= dev_priv
->fence_regs
[i
].obj
;
430 seq_printf(m
, "Fenced object[%2d] = ", i
);
432 seq_printf(m
, "unused");
434 describe_obj(m
, to_intel_bo(obj
));
437 mutex_unlock(&dev
->struct_mutex
);
442 static int i915_hws_info(struct seq_file
*m
, void *data
)
444 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
445 struct drm_device
*dev
= node
->minor
->dev
;
446 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
450 hws
= (volatile u32
*)dev_priv
->render_ring
.status_page
.page_addr
;
454 for (i
= 0; i
< 4096 / sizeof(u32
) / 4; i
+= 4) {
455 seq_printf(m
, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
457 hws
[i
], hws
[i
+ 1], hws
[i
+ 2], hws
[i
+ 3]);
462 static void i915_dump_object(struct seq_file
*m
,
463 struct io_mapping
*mapping
,
464 struct drm_i915_gem_object
*obj_priv
)
466 int page
, page_count
, i
;
468 page_count
= obj_priv
->base
.size
/ PAGE_SIZE
;
469 for (page
= 0; page
< page_count
; page
++) {
470 u32
*mem
= io_mapping_map_wc(mapping
,
471 obj_priv
->gtt_offset
+ page
* PAGE_SIZE
);
472 for (i
= 0; i
< PAGE_SIZE
; i
+= 4)
473 seq_printf(m
, "%08x : %08x\n", i
, mem
[i
/ 4]);
474 io_mapping_unmap(mem
);
478 static int i915_batchbuffer_info(struct seq_file
*m
, void *data
)
480 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
481 struct drm_device
*dev
= node
->minor
->dev
;
482 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
483 struct drm_gem_object
*obj
;
484 struct drm_i915_gem_object
*obj_priv
;
487 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
491 list_for_each_entry(obj_priv
, &dev_priv
->mm
.active_list
, mm_list
) {
492 obj
= &obj_priv
->base
;
493 if (obj
->read_domains
& I915_GEM_DOMAIN_COMMAND
) {
494 seq_printf(m
, "--- gtt_offset = 0x%08x\n",
495 obj_priv
->gtt_offset
);
496 i915_dump_object(m
, dev_priv
->mm
.gtt_mapping
, obj_priv
);
500 mutex_unlock(&dev
->struct_mutex
);
505 static int i915_ringbuffer_data(struct seq_file
*m
, void *data
)
507 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
508 struct drm_device
*dev
= node
->minor
->dev
;
509 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
510 struct intel_ring_buffer
*ring
;
513 switch ((uintptr_t)node
->info_ent
->data
) {
514 case RENDER_RING
: ring
= &dev_priv
->render_ring
; break;
515 case BSD_RING
: ring
= &dev_priv
->bsd_ring
; break;
516 case BLT_RING
: ring
= &dev_priv
->blt_ring
; break;
517 default: return -EINVAL
;
520 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
524 if (!ring
->gem_object
) {
525 seq_printf(m
, "No ringbuffer setup\n");
527 u8
*virt
= ring
->virtual_start
;
530 for (off
= 0; off
< ring
->size
; off
+= 4) {
531 uint32_t *ptr
= (uint32_t *)(virt
+ off
);
532 seq_printf(m
, "%08x : %08x\n", off
, *ptr
);
535 mutex_unlock(&dev
->struct_mutex
);
540 static int i915_ringbuffer_info(struct seq_file
*m
, void *data
)
542 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
543 struct drm_device
*dev
= node
->minor
->dev
;
544 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
545 struct intel_ring_buffer
*ring
;
547 switch ((uintptr_t)node
->info_ent
->data
) {
548 case RENDER_RING
: ring
= &dev_priv
->render_ring
; break;
549 case BSD_RING
: ring
= &dev_priv
->bsd_ring
; break;
550 case BLT_RING
: ring
= &dev_priv
->blt_ring
; break;
551 default: return -EINVAL
;
557 seq_printf(m
, "Ring %s:\n", ring
->name
);
558 seq_printf(m
, " Head : %08x\n", I915_READ_HEAD(ring
) & HEAD_ADDR
);
559 seq_printf(m
, " Tail : %08x\n", I915_READ_TAIL(ring
) & TAIL_ADDR
);
560 seq_printf(m
, " Size : %08x\n", ring
->size
);
561 seq_printf(m
, " Active : %08x\n", intel_ring_get_active_head(ring
));
562 seq_printf(m
, " Control : %08x\n", I915_READ_CTL(ring
));
563 seq_printf(m
, " Start : %08x\n", I915_READ_START(ring
));
568 static const char *pin_flag(int pinned
)
578 static const char *tiling_flag(int tiling
)
582 case I915_TILING_NONE
: return "";
583 case I915_TILING_X
: return " X";
584 case I915_TILING_Y
: return " Y";
588 static const char *dirty_flag(int dirty
)
590 return dirty
? " dirty" : "";
593 static const char *purgeable_flag(int purgeable
)
595 return purgeable
? " purgeable" : "";
598 static int i915_error_state(struct seq_file
*m
, void *unused
)
600 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
601 struct drm_device
*dev
= node
->minor
->dev
;
602 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
603 struct drm_i915_error_state
*error
;
605 int i
, page
, offset
, elt
;
607 spin_lock_irqsave(&dev_priv
->error_lock
, flags
);
608 if (!dev_priv
->first_error
) {
609 seq_printf(m
, "no error state collected\n");
613 error
= dev_priv
->first_error
;
615 seq_printf(m
, "Time: %ld s %ld us\n", error
->time
.tv_sec
,
616 error
->time
.tv_usec
);
617 seq_printf(m
, "PCI ID: 0x%04x\n", dev
->pci_device
);
618 seq_printf(m
, "EIR: 0x%08x\n", error
->eir
);
619 seq_printf(m
, " PGTBL_ER: 0x%08x\n", error
->pgtbl_er
);
620 seq_printf(m
, " INSTPM: 0x%08x\n", error
->instpm
);
621 seq_printf(m
, " IPEIR: 0x%08x\n", error
->ipeir
);
622 seq_printf(m
, " IPEHR: 0x%08x\n", error
->ipehr
);
623 seq_printf(m
, " INSTDONE: 0x%08x\n", error
->instdone
);
624 seq_printf(m
, " ACTHD: 0x%08x\n", error
->acthd
);
625 if (INTEL_INFO(dev
)->gen
>= 4) {
626 seq_printf(m
, " INSTPS: 0x%08x\n", error
->instps
);
627 seq_printf(m
, " INSTDONE1: 0x%08x\n", error
->instdone1
);
629 seq_printf(m
, "seqno: 0x%08x\n", error
->seqno
);
631 if (error
->active_bo_count
) {
632 seq_printf(m
, "Buffers [%d]:\n", error
->active_bo_count
);
634 for (i
= 0; i
< error
->active_bo_count
; i
++) {
635 seq_printf(m
, " %08x %8zd %08x %08x %08x%s%s%s%s",
636 error
->active_bo
[i
].gtt_offset
,
637 error
->active_bo
[i
].size
,
638 error
->active_bo
[i
].read_domains
,
639 error
->active_bo
[i
].write_domain
,
640 error
->active_bo
[i
].seqno
,
641 pin_flag(error
->active_bo
[i
].pinned
),
642 tiling_flag(error
->active_bo
[i
].tiling
),
643 dirty_flag(error
->active_bo
[i
].dirty
),
644 purgeable_flag(error
->active_bo
[i
].purgeable
));
646 if (error
->active_bo
[i
].name
)
647 seq_printf(m
, " (name: %d)", error
->active_bo
[i
].name
);
648 if (error
->active_bo
[i
].fence_reg
!= I915_FENCE_REG_NONE
)
649 seq_printf(m
, " (fence: %d)", error
->active_bo
[i
].fence_reg
);
655 for (i
= 0; i
< ARRAY_SIZE(error
->batchbuffer
); i
++) {
656 if (error
->batchbuffer
[i
]) {
657 struct drm_i915_error_object
*obj
= error
->batchbuffer
[i
];
659 seq_printf(m
, "--- gtt_offset = 0x%08x\n", obj
->gtt_offset
);
661 for (page
= 0; page
< obj
->page_count
; page
++) {
662 for (elt
= 0; elt
< PAGE_SIZE
/4; elt
++) {
663 seq_printf(m
, "%08x : %08x\n", offset
, obj
->pages
[page
][elt
]);
670 if (error
->ringbuffer
) {
671 struct drm_i915_error_object
*obj
= error
->ringbuffer
;
673 seq_printf(m
, "--- ringbuffer = 0x%08x\n", obj
->gtt_offset
);
675 for (page
= 0; page
< obj
->page_count
; page
++) {
676 for (elt
= 0; elt
< PAGE_SIZE
/4; elt
++) {
677 seq_printf(m
, "%08x : %08x\n", offset
, obj
->pages
[page
][elt
]);
684 intel_overlay_print_error_state(m
, error
->overlay
);
687 spin_unlock_irqrestore(&dev_priv
->error_lock
, flags
);
692 static int i915_rstdby_delays(struct seq_file
*m
, void *unused
)
694 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
695 struct drm_device
*dev
= node
->minor
->dev
;
696 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
697 u16 crstanddelay
= I915_READ16(CRSTANDVID
);
699 seq_printf(m
, "w/ctx: %d, w/o ctx: %d\n", (crstanddelay
>> 8) & 0x3f, (crstanddelay
& 0x3f));
704 static int i915_cur_delayinfo(struct seq_file
*m
, void *unused
)
706 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
707 struct drm_device
*dev
= node
->minor
->dev
;
708 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
709 u16 rgvswctl
= I915_READ16(MEMSWCTL
);
710 u16 rgvstat
= I915_READ16(MEMSTAT_ILK
);
712 seq_printf(m
, "Requested P-state: %d\n", (rgvswctl
>> 8) & 0xf);
713 seq_printf(m
, "Requested VID: %d\n", rgvswctl
& 0x3f);
714 seq_printf(m
, "Current VID: %d\n", (rgvstat
& MEMSTAT_VID_MASK
) >>
716 seq_printf(m
, "Current P-state: %d\n",
717 (rgvstat
& MEMSTAT_PSTATE_MASK
) >> MEMSTAT_PSTATE_SHIFT
);
722 static int i915_delayfreq_table(struct seq_file
*m
, void *unused
)
724 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
725 struct drm_device
*dev
= node
->minor
->dev
;
726 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
730 for (i
= 0; i
< 16; i
++) {
731 delayfreq
= I915_READ(PXVFREQ_BASE
+ i
* 4);
732 seq_printf(m
, "P%02dVIDFREQ: 0x%08x (VID: %d)\n", i
, delayfreq
,
733 (delayfreq
& PXVFREQ_PX_MASK
) >> PXVFREQ_PX_SHIFT
);
739 static inline int MAP_TO_MV(int map
)
741 return 1250 - (map
* 25);
744 static int i915_inttoext_table(struct seq_file
*m
, void *unused
)
746 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
747 struct drm_device
*dev
= node
->minor
->dev
;
748 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
752 for (i
= 1; i
<= 32; i
++) {
753 inttoext
= I915_READ(INTTOEXT_BASE_ILK
+ i
* 4);
754 seq_printf(m
, "INTTOEXT%02d: 0x%08x\n", i
, inttoext
);
760 static int i915_drpc_info(struct seq_file
*m
, void *unused
)
762 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
763 struct drm_device
*dev
= node
->minor
->dev
;
764 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
765 u32 rgvmodectl
= I915_READ(MEMMODECTL
);
766 u32 rstdbyctl
= I915_READ(MCHBAR_RENDER_STANDBY
);
767 u16 crstandvid
= I915_READ16(CRSTANDVID
);
769 seq_printf(m
, "HD boost: %s\n", (rgvmodectl
& MEMMODE_BOOST_EN
) ?
771 seq_printf(m
, "Boost freq: %d\n",
772 (rgvmodectl
& MEMMODE_BOOST_FREQ_MASK
) >>
773 MEMMODE_BOOST_FREQ_SHIFT
);
774 seq_printf(m
, "HW control enabled: %s\n",
775 rgvmodectl
& MEMMODE_HWIDLE_EN
? "yes" : "no");
776 seq_printf(m
, "SW control enabled: %s\n",
777 rgvmodectl
& MEMMODE_SWMODE_EN
? "yes" : "no");
778 seq_printf(m
, "Gated voltage change: %s\n",
779 rgvmodectl
& MEMMODE_RCLK_GATE
? "yes" : "no");
780 seq_printf(m
, "Starting frequency: P%d\n",
781 (rgvmodectl
& MEMMODE_FSTART_MASK
) >> MEMMODE_FSTART_SHIFT
);
782 seq_printf(m
, "Max P-state: P%d\n",
783 (rgvmodectl
& MEMMODE_FMAX_MASK
) >> MEMMODE_FMAX_SHIFT
);
784 seq_printf(m
, "Min P-state: P%d\n", (rgvmodectl
& MEMMODE_FMIN_MASK
));
785 seq_printf(m
, "RS1 VID: %d\n", (crstandvid
& 0x3f));
786 seq_printf(m
, "RS2 VID: %d\n", ((crstandvid
>> 8) & 0x3f));
787 seq_printf(m
, "Render standby enabled: %s\n",
788 (rstdbyctl
& RCX_SW_EXIT
) ? "no" : "yes");
793 static int i915_fbc_status(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 if (!I915_HAS_FBC(dev
)) {
800 seq_printf(m
, "FBC unsupported on this chipset\n");
804 if (intel_fbc_enabled(dev
)) {
805 seq_printf(m
, "FBC enabled\n");
807 seq_printf(m
, "FBC disabled: ");
808 switch (dev_priv
->no_fbc_reason
) {
810 seq_printf(m
, "no outputs");
812 case FBC_STOLEN_TOO_SMALL
:
813 seq_printf(m
, "not enough stolen memory");
815 case FBC_UNSUPPORTED_MODE
:
816 seq_printf(m
, "mode not supported");
818 case FBC_MODE_TOO_LARGE
:
819 seq_printf(m
, "mode too large");
822 seq_printf(m
, "FBC unsupported on plane");
825 seq_printf(m
, "scanout buffer not tiled");
827 case FBC_MULTIPLE_PIPES
:
828 seq_printf(m
, "multiple pipes are enabled");
831 seq_printf(m
, "unknown reason");
838 static int i915_sr_status(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
;
843 bool sr_enabled
= false;
846 sr_enabled
= I915_READ(WM1_LP_ILK
) & WM1_LP_SR_EN
;
847 else if (IS_CRESTLINE(dev
) || IS_I945G(dev
) || IS_I945GM(dev
))
848 sr_enabled
= I915_READ(FW_BLC_SELF
) & FW_BLC_SELF_EN
;
849 else if (IS_I915GM(dev
))
850 sr_enabled
= I915_READ(INSTPM
) & INSTPM_SELF_EN
;
851 else if (IS_PINEVIEW(dev
))
852 sr_enabled
= I915_READ(DSPFW3
) & PINEVIEW_SELF_REFRESH_EN
;
854 seq_printf(m
, "self-refresh: %s\n",
855 sr_enabled
? "enabled" : "disabled");
860 static int i915_emon_status(struct seq_file
*m
, void *unused
)
862 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
863 struct drm_device
*dev
= node
->minor
->dev
;
864 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
865 unsigned long temp
, chipset
, gfx
;
868 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
872 temp
= i915_mch_val(dev_priv
);
873 chipset
= i915_chipset_val(dev_priv
);
874 gfx
= i915_gfx_val(dev_priv
);
875 mutex_unlock(&dev
->struct_mutex
);
877 seq_printf(m
, "GMCH temp: %ld\n", temp
);
878 seq_printf(m
, "Chipset power: %ld\n", chipset
);
879 seq_printf(m
, "GFX power: %ld\n", gfx
);
880 seq_printf(m
, "Total power: %ld\n", chipset
+ gfx
);
885 static int i915_gfxec(struct seq_file
*m
, void *unused
)
887 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
888 struct drm_device
*dev
= node
->minor
->dev
;
889 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
891 seq_printf(m
, "GFXEC: %ld\n", (unsigned long)I915_READ(0x112f4));
896 static int i915_opregion(struct seq_file
*m
, void *unused
)
898 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
899 struct drm_device
*dev
= node
->minor
->dev
;
900 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
901 struct intel_opregion
*opregion
= &dev_priv
->opregion
;
904 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
908 if (opregion
->header
)
909 seq_write(m
, opregion
->header
, OPREGION_SIZE
);
911 mutex_unlock(&dev
->struct_mutex
);
916 static int i915_gem_framebuffer_info(struct seq_file
*m
, void *data
)
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
;
921 struct intel_fbdev
*ifbdev
;
922 struct intel_framebuffer
*fb
;
925 ret
= mutex_lock_interruptible(&dev
->mode_config
.mutex
);
929 ifbdev
= dev_priv
->fbdev
;
930 fb
= to_intel_framebuffer(ifbdev
->helper
.fb
);
932 seq_printf(m
, "fbcon size: %d x %d, depth %d, %d bpp, obj ",
936 fb
->base
.bits_per_pixel
);
937 describe_obj(m
, to_intel_bo(fb
->obj
));
940 list_for_each_entry(fb
, &dev
->mode_config
.fb_list
, base
.head
) {
941 if (&fb
->base
== ifbdev
->helper
.fb
)
944 seq_printf(m
, "user size: %d x %d, depth %d, %d bpp, obj ",
948 fb
->base
.bits_per_pixel
);
949 describe_obj(m
, to_intel_bo(fb
->obj
));
953 mutex_unlock(&dev
->mode_config
.mutex
);
959 i915_wedged_open(struct inode
*inode
,
962 filp
->private_data
= inode
->i_private
;
967 i915_wedged_read(struct file
*filp
,
972 struct drm_device
*dev
= filp
->private_data
;
973 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
977 len
= snprintf(buf
, sizeof (buf
),
979 atomic_read(&dev_priv
->mm
.wedged
));
981 if (len
> sizeof (buf
))
984 return simple_read_from_buffer(ubuf
, max
, ppos
, buf
, len
);
988 i915_wedged_write(struct file
*filp
,
989 const char __user
*ubuf
,
993 struct drm_device
*dev
= filp
->private_data
;
994 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
999 if (cnt
> sizeof (buf
) - 1)
1002 if (copy_from_user(buf
, ubuf
, cnt
))
1006 val
= simple_strtoul(buf
, NULL
, 0);
1009 DRM_INFO("Manually setting wedged to %d\n", val
);
1011 atomic_set(&dev_priv
->mm
.wedged
, val
);
1013 wake_up_all(&dev_priv
->irq_queue
);
1014 queue_work(dev_priv
->wq
, &dev_priv
->error_work
);
1020 static const struct file_operations i915_wedged_fops
= {
1021 .owner
= THIS_MODULE
,
1022 .open
= i915_wedged_open
,
1023 .read
= i915_wedged_read
,
1024 .write
= i915_wedged_write
,
1025 .llseek
= default_llseek
,
1028 /* As the drm_debugfs_init() routines are called before dev->dev_private is
1029 * allocated we need to hook into the minor for release. */
1031 drm_add_fake_info_node(struct drm_minor
*minor
,
1035 struct drm_info_node
*node
;
1037 node
= kmalloc(sizeof(struct drm_info_node
), GFP_KERNEL
);
1039 debugfs_remove(ent
);
1043 node
->minor
= minor
;
1045 node
->info_ent
= (void *) key
;
1046 list_add(&node
->list
, &minor
->debugfs_nodes
.list
);
1051 static int i915_wedged_create(struct dentry
*root
, struct drm_minor
*minor
)
1053 struct drm_device
*dev
= minor
->dev
;
1056 ent
= debugfs_create_file("i915_wedged",
1061 return PTR_ERR(ent
);
1063 return drm_add_fake_info_node(minor
, ent
, &i915_wedged_fops
);
1066 static struct drm_info_list i915_debugfs_list
[] = {
1067 {"i915_capabilities", i915_capabilities
, 0, 0},
1068 {"i915_gem_objects", i915_gem_object_info
, 0},
1069 {"i915_gem_active", i915_gem_object_list_info
, 0, (void *) ACTIVE_LIST
},
1070 {"i915_gem_flushing", i915_gem_object_list_info
, 0, (void *) FLUSHING_LIST
},
1071 {"i915_gem_inactive", i915_gem_object_list_info
, 0, (void *) INACTIVE_LIST
},
1072 {"i915_gem_pinned", i915_gem_object_list_info
, 0, (void *) PINNED_LIST
},
1073 {"i915_gem_deferred_free", i915_gem_object_list_info
, 0, (void *) DEFERRED_FREE_LIST
},
1074 {"i915_gem_pageflip", i915_gem_pageflip_info
, 0},
1075 {"i915_gem_request", i915_gem_request_info
, 0},
1076 {"i915_gem_seqno", i915_gem_seqno_info
, 0},
1077 {"i915_gem_fence_regs", i915_gem_fence_regs_info
, 0},
1078 {"i915_gem_interrupt", i915_interrupt_info
, 0},
1079 {"i915_gem_hws", i915_hws_info
, 0},
1080 {"i915_ringbuffer_data", i915_ringbuffer_data
, 0, (void *)RENDER_RING
},
1081 {"i915_ringbuffer_info", i915_ringbuffer_info
, 0, (void *)RENDER_RING
},
1082 {"i915_bsd_ringbuffer_data", i915_ringbuffer_data
, 0, (void *)BSD_RING
},
1083 {"i915_bsd_ringbuffer_info", i915_ringbuffer_info
, 0, (void *)BSD_RING
},
1084 {"i915_blt_ringbuffer_data", i915_ringbuffer_data
, 0, (void *)BLT_RING
},
1085 {"i915_blt_ringbuffer_info", i915_ringbuffer_info
, 0, (void *)BLT_RING
},
1086 {"i915_batchbuffers", i915_batchbuffer_info
, 0},
1087 {"i915_error_state", i915_error_state
, 0},
1088 {"i915_rstdby_delays", i915_rstdby_delays
, 0},
1089 {"i915_cur_delayinfo", i915_cur_delayinfo
, 0},
1090 {"i915_delayfreq_table", i915_delayfreq_table
, 0},
1091 {"i915_inttoext_table", i915_inttoext_table
, 0},
1092 {"i915_drpc_info", i915_drpc_info
, 0},
1093 {"i915_emon_status", i915_emon_status
, 0},
1094 {"i915_gfxec", i915_gfxec
, 0},
1095 {"i915_fbc_status", i915_fbc_status
, 0},
1096 {"i915_sr_status", i915_sr_status
, 0},
1097 {"i915_opregion", i915_opregion
, 0},
1098 {"i915_gem_framebuffer", i915_gem_framebuffer_info
, 0},
1100 #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
1102 int i915_debugfs_init(struct drm_minor
*minor
)
1106 ret
= i915_wedged_create(minor
->debugfs_root
, minor
);
1110 return drm_debugfs_create_files(i915_debugfs_list
,
1111 I915_DEBUGFS_ENTRIES
,
1112 minor
->debugfs_root
, minor
);
1115 void i915_debugfs_cleanup(struct drm_minor
*minor
)
1117 drm_debugfs_remove_files(i915_debugfs_list
,
1118 I915_DEBUGFS_ENTRIES
, minor
);
1119 drm_debugfs_remove_files((struct drm_info_list
*) &i915_wedged_fops
,
1123 #endif /* CONFIG_DEBUG_FS */