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>
32 #include <linux/export.h>
35 #include "intel_drv.h"
36 #include "intel_ringbuffer.h"
40 #define DRM_I915_RING_DEBUG 1
43 #if defined(CONFIG_DEBUG_FS)
53 static const char *yesno(int v
)
55 return v
? "yes" : "no";
58 static int i915_capabilities(struct seq_file
*m
, void *data
)
60 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
61 struct drm_device
*dev
= node
->minor
->dev
;
62 const struct intel_device_info
*info
= INTEL_INFO(dev
);
64 seq_printf(m
, "gen: %d\n", info
->gen
);
65 seq_printf(m
, "pch: %d\n", INTEL_PCH_TYPE(dev
));
66 #define B(x) seq_printf(m, #x ": %s\n", yesno(info->x))
80 B(cursor_needs_physical
);
82 B(overlay_needs_physical
);
92 static const char *get_pin_flag(struct drm_i915_gem_object
*obj
)
94 if (obj
->user_pin_count
> 0)
96 else if (obj
->pin_count
> 0)
102 static const char *get_tiling_flag(struct drm_i915_gem_object
*obj
)
104 switch (obj
->tiling_mode
) {
106 case I915_TILING_NONE
: return " ";
107 case I915_TILING_X
: return "X";
108 case I915_TILING_Y
: return "Y";
112 static const char *cache_level_str(int type
)
115 case I915_CACHE_NONE
: return " uncached";
116 case I915_CACHE_LLC
: return " snooped (LLC)";
117 case I915_CACHE_LLC_MLC
: return " snooped (LLC+MLC)";
123 describe_obj(struct seq_file
*m
, struct drm_i915_gem_object
*obj
)
125 seq_printf(m
, "%p: %s%s %8zdKiB %04x %04x %d %d%s%s%s",
128 get_tiling_flag(obj
),
129 obj
->base
.size
/ 1024,
130 obj
->base
.read_domains
,
131 obj
->base
.write_domain
,
132 obj
->last_rendering_seqno
,
133 obj
->last_fenced_seqno
,
134 cache_level_str(obj
->cache_level
),
135 obj
->dirty
? " dirty" : "",
136 obj
->madv
== I915_MADV_DONTNEED
? " purgeable" : "");
138 seq_printf(m
, " (name: %d)", obj
->base
.name
);
139 if (obj
->fence_reg
!= I915_FENCE_REG_NONE
)
140 seq_printf(m
, " (fence: %d)", obj
->fence_reg
);
141 if (obj
->gtt_space
!= NULL
)
142 seq_printf(m
, " (gtt offset: %08x, size: %08x)",
143 obj
->gtt_offset
, (unsigned int)obj
->gtt_space
->size
);
144 if (obj
->pin_mappable
|| obj
->fault_mappable
) {
146 if (obj
->pin_mappable
)
148 if (obj
->fault_mappable
)
151 seq_printf(m
, " (%s mappable)", s
);
153 if (obj
->ring
!= NULL
)
154 seq_printf(m
, " (%s)", obj
->ring
->name
);
157 static int i915_gem_object_list_info(struct seq_file
*m
, void *data
)
159 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
160 uintptr_t list
= (uintptr_t) node
->info_ent
->data
;
161 struct list_head
*head
;
162 struct drm_device
*dev
= node
->minor
->dev
;
163 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
164 struct drm_i915_gem_object
*obj
;
165 size_t total_obj_size
, total_gtt_size
;
168 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
174 seq_printf(m
, "Active:\n");
175 head
= &dev_priv
->mm
.active_list
;
178 seq_printf(m
, "Inactive:\n");
179 head
= &dev_priv
->mm
.inactive_list
;
182 seq_printf(m
, "Pinned:\n");
183 head
= &dev_priv
->mm
.pinned_list
;
186 seq_printf(m
, "Flushing:\n");
187 head
= &dev_priv
->mm
.flushing_list
;
189 case DEFERRED_FREE_LIST
:
190 seq_printf(m
, "Deferred free:\n");
191 head
= &dev_priv
->mm
.deferred_free_list
;
194 mutex_unlock(&dev
->struct_mutex
);
198 total_obj_size
= total_gtt_size
= count
= 0;
199 list_for_each_entry(obj
, head
, mm_list
) {
201 describe_obj(m
, obj
);
203 total_obj_size
+= obj
->base
.size
;
204 total_gtt_size
+= obj
->gtt_space
->size
;
207 mutex_unlock(&dev
->struct_mutex
);
209 seq_printf(m
, "Total %d objects, %zu bytes, %zu GTT size\n",
210 count
, total_obj_size
, total_gtt_size
);
214 #define count_objects(list, member) do { \
215 list_for_each_entry(obj, list, member) { \
216 size += obj->gtt_space->size; \
218 if (obj->map_and_fenceable) { \
219 mappable_size += obj->gtt_space->size; \
225 static int i915_gem_object_info(struct seq_file
*m
, void* data
)
227 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
228 struct drm_device
*dev
= node
->minor
->dev
;
229 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
230 u32 count
, mappable_count
;
231 size_t size
, mappable_size
;
232 struct drm_i915_gem_object
*obj
;
235 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
239 seq_printf(m
, "%u objects, %zu bytes\n",
240 dev_priv
->mm
.object_count
,
241 dev_priv
->mm
.object_memory
);
243 size
= count
= mappable_size
= mappable_count
= 0;
244 count_objects(&dev_priv
->mm
.gtt_list
, gtt_list
);
245 seq_printf(m
, "%u [%u] objects, %zu [%zu] bytes in gtt\n",
246 count
, mappable_count
, size
, mappable_size
);
248 size
= count
= mappable_size
= mappable_count
= 0;
249 count_objects(&dev_priv
->mm
.active_list
, mm_list
);
250 count_objects(&dev_priv
->mm
.flushing_list
, mm_list
);
251 seq_printf(m
, " %u [%u] active objects, %zu [%zu] bytes\n",
252 count
, mappable_count
, size
, mappable_size
);
254 size
= count
= mappable_size
= mappable_count
= 0;
255 count_objects(&dev_priv
->mm
.pinned_list
, mm_list
);
256 seq_printf(m
, " %u [%u] pinned objects, %zu [%zu] bytes\n",
257 count
, mappable_count
, size
, mappable_size
);
259 size
= count
= mappable_size
= mappable_count
= 0;
260 count_objects(&dev_priv
->mm
.inactive_list
, mm_list
);
261 seq_printf(m
, " %u [%u] inactive objects, %zu [%zu] bytes\n",
262 count
, mappable_count
, size
, mappable_size
);
264 size
= count
= mappable_size
= mappable_count
= 0;
265 count_objects(&dev_priv
->mm
.deferred_free_list
, mm_list
);
266 seq_printf(m
, " %u [%u] freed objects, %zu [%zu] bytes\n",
267 count
, mappable_count
, size
, mappable_size
);
269 size
= count
= mappable_size
= mappable_count
= 0;
270 list_for_each_entry(obj
, &dev_priv
->mm
.gtt_list
, gtt_list
) {
271 if (obj
->fault_mappable
) {
272 size
+= obj
->gtt_space
->size
;
275 if (obj
->pin_mappable
) {
276 mappable_size
+= obj
->gtt_space
->size
;
280 seq_printf(m
, "%u pinned mappable objects, %zu bytes\n",
281 mappable_count
, mappable_size
);
282 seq_printf(m
, "%u fault mappable objects, %zu bytes\n",
285 seq_printf(m
, "%zu [%zu] gtt total\n",
286 dev_priv
->mm
.gtt_total
, dev_priv
->mm
.mappable_gtt_total
);
288 mutex_unlock(&dev
->struct_mutex
);
293 static int i915_gem_gtt_info(struct seq_file
*m
, void* data
)
295 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
296 struct drm_device
*dev
= node
->minor
->dev
;
297 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
298 struct drm_i915_gem_object
*obj
;
299 size_t total_obj_size
, total_gtt_size
;
302 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
306 total_obj_size
= total_gtt_size
= count
= 0;
307 list_for_each_entry(obj
, &dev_priv
->mm
.gtt_list
, gtt_list
) {
309 describe_obj(m
, obj
);
311 total_obj_size
+= obj
->base
.size
;
312 total_gtt_size
+= obj
->gtt_space
->size
;
316 mutex_unlock(&dev
->struct_mutex
);
318 seq_printf(m
, "Total %d objects, %zu bytes, %zu GTT size\n",
319 count
, total_obj_size
, total_gtt_size
);
325 static int i915_gem_pageflip_info(struct seq_file
*m
, void *data
)
327 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
328 struct drm_device
*dev
= node
->minor
->dev
;
330 struct intel_crtc
*crtc
;
332 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, base
.head
) {
333 const char pipe
= pipe_name(crtc
->pipe
);
334 const char plane
= plane_name(crtc
->plane
);
335 struct intel_unpin_work
*work
;
337 spin_lock_irqsave(&dev
->event_lock
, flags
);
338 work
= crtc
->unpin_work
;
340 seq_printf(m
, "No flip due on pipe %c (plane %c)\n",
343 if (!work
->pending
) {
344 seq_printf(m
, "Flip queued on pipe %c (plane %c)\n",
347 seq_printf(m
, "Flip pending (waiting for vsync) on pipe %c (plane %c)\n",
350 if (work
->enable_stall_check
)
351 seq_printf(m
, "Stall check enabled, ");
353 seq_printf(m
, "Stall check waiting for page flip ioctl, ");
354 seq_printf(m
, "%d prepares\n", work
->pending
);
356 if (work
->old_fb_obj
) {
357 struct drm_i915_gem_object
*obj
= work
->old_fb_obj
;
359 seq_printf(m
, "Old framebuffer gtt_offset 0x%08x\n", obj
->gtt_offset
);
361 if (work
->pending_flip_obj
) {
362 struct drm_i915_gem_object
*obj
= work
->pending_flip_obj
;
364 seq_printf(m
, "New framebuffer gtt_offset 0x%08x\n", obj
->gtt_offset
);
367 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
373 static int i915_gem_request_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
;
378 struct drm_i915_gem_request
*gem_request
;
381 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
386 if (!list_empty(&dev_priv
->ring
[RCS
].request_list
)) {
387 seq_printf(m
, "Render requests:\n");
388 list_for_each_entry(gem_request
,
389 &dev_priv
->ring
[RCS
].request_list
,
391 seq_printf(m
, " %d @ %d\n",
393 (int) (jiffies
- gem_request
->emitted_jiffies
));
397 if (!list_empty(&dev_priv
->ring
[VCS
].request_list
)) {
398 seq_printf(m
, "BSD requests:\n");
399 list_for_each_entry(gem_request
,
400 &dev_priv
->ring
[VCS
].request_list
,
402 seq_printf(m
, " %d @ %d\n",
404 (int) (jiffies
- gem_request
->emitted_jiffies
));
408 if (!list_empty(&dev_priv
->ring
[BCS
].request_list
)) {
409 seq_printf(m
, "BLT requests:\n");
410 list_for_each_entry(gem_request
,
411 &dev_priv
->ring
[BCS
].request_list
,
413 seq_printf(m
, " %d @ %d\n",
415 (int) (jiffies
- gem_request
->emitted_jiffies
));
419 mutex_unlock(&dev
->struct_mutex
);
422 seq_printf(m
, "No requests\n");
427 static void i915_ring_seqno_info(struct seq_file
*m
,
428 struct intel_ring_buffer
*ring
)
430 if (ring
->get_seqno
) {
431 seq_printf(m
, "Current sequence (%s): %d\n",
432 ring
->name
, ring
->get_seqno(ring
));
433 seq_printf(m
, "Waiter sequence (%s): %d\n",
434 ring
->name
, ring
->waiting_seqno
);
435 seq_printf(m
, "IRQ sequence (%s): %d\n",
436 ring
->name
, ring
->irq_seqno
);
440 static int i915_gem_seqno_info(struct seq_file
*m
, void *data
)
442 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
443 struct drm_device
*dev
= node
->minor
->dev
;
444 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
447 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
451 for (i
= 0; i
< I915_NUM_RINGS
; i
++)
452 i915_ring_seqno_info(m
, &dev_priv
->ring
[i
]);
454 mutex_unlock(&dev
->struct_mutex
);
460 static int i915_interrupt_info(struct seq_file
*m
, void *data
)
462 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
463 struct drm_device
*dev
= node
->minor
->dev
;
464 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
467 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
471 if (IS_VALLEYVIEW(dev
)) {
472 seq_printf(m
, "Display IER:\t%08x\n",
474 seq_printf(m
, "Display IIR:\t%08x\n",
476 seq_printf(m
, "Display IIR_RW:\t%08x\n",
477 I915_READ(VLV_IIR_RW
));
478 seq_printf(m
, "Display IMR:\t%08x\n",
481 seq_printf(m
, "Pipe %c stat:\t%08x\n",
483 I915_READ(PIPESTAT(pipe
)));
485 seq_printf(m
, "Master IER:\t%08x\n",
486 I915_READ(VLV_MASTER_IER
));
488 seq_printf(m
, "Render IER:\t%08x\n",
490 seq_printf(m
, "Render IIR:\t%08x\n",
492 seq_printf(m
, "Render IMR:\t%08x\n",
495 seq_printf(m
, "PM IER:\t\t%08x\n",
496 I915_READ(GEN6_PMIER
));
497 seq_printf(m
, "PM IIR:\t\t%08x\n",
498 I915_READ(GEN6_PMIIR
));
499 seq_printf(m
, "PM IMR:\t\t%08x\n",
500 I915_READ(GEN6_PMIMR
));
502 seq_printf(m
, "Port hotplug:\t%08x\n",
503 I915_READ(PORT_HOTPLUG_EN
));
504 seq_printf(m
, "DPFLIPSTAT:\t%08x\n",
505 I915_READ(VLV_DPFLIPSTAT
));
506 seq_printf(m
, "DPINVGTT:\t%08x\n",
507 I915_READ(DPINVGTT
));
509 } else if (!HAS_PCH_SPLIT(dev
)) {
510 seq_printf(m
, "Interrupt enable: %08x\n",
512 seq_printf(m
, "Interrupt identity: %08x\n",
514 seq_printf(m
, "Interrupt mask: %08x\n",
517 seq_printf(m
, "Pipe %c stat: %08x\n",
519 I915_READ(PIPESTAT(pipe
)));
521 seq_printf(m
, "North Display Interrupt enable: %08x\n",
523 seq_printf(m
, "North Display Interrupt identity: %08x\n",
525 seq_printf(m
, "North Display Interrupt mask: %08x\n",
527 seq_printf(m
, "South Display Interrupt enable: %08x\n",
529 seq_printf(m
, "South Display Interrupt identity: %08x\n",
531 seq_printf(m
, "South Display Interrupt mask: %08x\n",
533 seq_printf(m
, "Graphics Interrupt enable: %08x\n",
535 seq_printf(m
, "Graphics Interrupt identity: %08x\n",
537 seq_printf(m
, "Graphics Interrupt mask: %08x\n",
540 seq_printf(m
, "Interrupts received: %d\n",
541 atomic_read(&dev_priv
->irq_received
));
542 for (i
= 0; i
< I915_NUM_RINGS
; i
++) {
543 if (IS_GEN6(dev
) || IS_GEN7(dev
)) {
544 seq_printf(m
, "Graphics Interrupt mask (%s): %08x\n",
545 dev_priv
->ring
[i
].name
,
546 I915_READ_IMR(&dev_priv
->ring
[i
]));
548 i915_ring_seqno_info(m
, &dev_priv
->ring
[i
]);
550 mutex_unlock(&dev
->struct_mutex
);
555 static int i915_gem_fence_regs_info(struct seq_file
*m
, void *data
)
557 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
558 struct drm_device
*dev
= node
->minor
->dev
;
559 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
562 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
566 seq_printf(m
, "Reserved fences = %d\n", dev_priv
->fence_reg_start
);
567 seq_printf(m
, "Total fences = %d\n", dev_priv
->num_fence_regs
);
568 for (i
= 0; i
< dev_priv
->num_fence_regs
; i
++) {
569 struct drm_i915_gem_object
*obj
= dev_priv
->fence_regs
[i
].obj
;
571 seq_printf(m
, "Fenced object[%2d] = ", i
);
573 seq_printf(m
, "unused");
575 describe_obj(m
, obj
);
579 mutex_unlock(&dev
->struct_mutex
);
583 static int i915_hws_info(struct seq_file
*m
, void *data
)
585 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
586 struct drm_device
*dev
= node
->minor
->dev
;
587 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
588 struct intel_ring_buffer
*ring
;
589 const volatile u32 __iomem
*hws
;
592 ring
= &dev_priv
->ring
[(uintptr_t)node
->info_ent
->data
];
593 hws
= (volatile u32 __iomem
*)ring
->status_page
.page_addr
;
597 for (i
= 0; i
< 4096 / sizeof(u32
) / 4; i
+= 4) {
598 seq_printf(m
, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
600 hws
[i
], hws
[i
+ 1], hws
[i
+ 2], hws
[i
+ 3]);
605 static int i915_ringbuffer_data(struct seq_file
*m
, void *data
)
607 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
608 struct drm_device
*dev
= node
->minor
->dev
;
609 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
610 struct intel_ring_buffer
*ring
;
613 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
617 ring
= &dev_priv
->ring
[(uintptr_t)node
->info_ent
->data
];
619 seq_printf(m
, "No ringbuffer setup\n");
621 const u8 __iomem
*virt
= ring
->virtual_start
;
624 for (off
= 0; off
< ring
->size
; off
+= 4) {
625 uint32_t *ptr
= (uint32_t *)(virt
+ off
);
626 seq_printf(m
, "%08x : %08x\n", off
, *ptr
);
629 mutex_unlock(&dev
->struct_mutex
);
634 static int i915_ringbuffer_info(struct seq_file
*m
, void *data
)
636 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
637 struct drm_device
*dev
= node
->minor
->dev
;
638 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
639 struct intel_ring_buffer
*ring
;
642 ring
= &dev_priv
->ring
[(uintptr_t)node
->info_ent
->data
];
646 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
650 seq_printf(m
, "Ring %s:\n", ring
->name
);
651 seq_printf(m
, " Head : %08x\n", I915_READ_HEAD(ring
) & HEAD_ADDR
);
652 seq_printf(m
, " Tail : %08x\n", I915_READ_TAIL(ring
) & TAIL_ADDR
);
653 seq_printf(m
, " Size : %08x\n", ring
->size
);
654 seq_printf(m
, " Active : %08x\n", intel_ring_get_active_head(ring
));
655 seq_printf(m
, " NOPID : %08x\n", I915_READ_NOPID(ring
));
656 if (IS_GEN6(dev
) || IS_GEN7(dev
)) {
657 seq_printf(m
, " Sync 0 : %08x\n", I915_READ_SYNC_0(ring
));
658 seq_printf(m
, " Sync 1 : %08x\n", I915_READ_SYNC_1(ring
));
660 seq_printf(m
, " Control : %08x\n", I915_READ_CTL(ring
));
661 seq_printf(m
, " Start : %08x\n", I915_READ_START(ring
));
663 mutex_unlock(&dev
->struct_mutex
);
668 static const char *ring_str(int ring
)
671 case RCS
: return "render";
672 case VCS
: return "bsd";
673 case BCS
: return "blt";
678 static const char *pin_flag(int pinned
)
688 static const char *tiling_flag(int tiling
)
692 case I915_TILING_NONE
: return "";
693 case I915_TILING_X
: return " X";
694 case I915_TILING_Y
: return " Y";
698 static const char *dirty_flag(int dirty
)
700 return dirty
? " dirty" : "";
703 static const char *purgeable_flag(int purgeable
)
705 return purgeable
? " purgeable" : "";
708 static void print_error_buffers(struct seq_file
*m
,
710 struct drm_i915_error_buffer
*err
,
713 seq_printf(m
, "%s [%d]:\n", name
, count
);
716 seq_printf(m
, " %08x %8u %04x %04x %08x%s%s%s%s%s%s%s",
722 pin_flag(err
->pinned
),
723 tiling_flag(err
->tiling
),
724 dirty_flag(err
->dirty
),
725 purgeable_flag(err
->purgeable
),
726 err
->ring
!= -1 ? " " : "",
728 cache_level_str(err
->cache_level
));
731 seq_printf(m
, " (name: %d)", err
->name
);
732 if (err
->fence_reg
!= I915_FENCE_REG_NONE
)
733 seq_printf(m
, " (fence: %d)", err
->fence_reg
);
740 static void i915_ring_error_state(struct seq_file
*m
,
741 struct drm_device
*dev
,
742 struct drm_i915_error_state
*error
,
745 BUG_ON(ring
>= I915_NUM_RINGS
); /* shut up confused gcc */
746 seq_printf(m
, "%s command stream:\n", ring_str(ring
));
747 seq_printf(m
, " HEAD: 0x%08x\n", error
->head
[ring
]);
748 seq_printf(m
, " TAIL: 0x%08x\n", error
->tail
[ring
]);
749 seq_printf(m
, " ACTHD: 0x%08x\n", error
->acthd
[ring
]);
750 seq_printf(m
, " IPEIR: 0x%08x\n", error
->ipeir
[ring
]);
751 seq_printf(m
, " IPEHR: 0x%08x\n", error
->ipehr
[ring
]);
752 seq_printf(m
, " INSTDONE: 0x%08x\n", error
->instdone
[ring
]);
753 if (ring
== RCS
&& INTEL_INFO(dev
)->gen
>= 4) {
754 seq_printf(m
, " INSTDONE1: 0x%08x\n", error
->instdone1
);
755 seq_printf(m
, " BBADDR: 0x%08llx\n", error
->bbaddr
);
757 if (INTEL_INFO(dev
)->gen
>= 4)
758 seq_printf(m
, " INSTPS: 0x%08x\n", error
->instps
[ring
]);
759 seq_printf(m
, " INSTPM: 0x%08x\n", error
->instpm
[ring
]);
760 seq_printf(m
, " FADDR: 0x%08x\n", error
->faddr
[ring
]);
761 if (INTEL_INFO(dev
)->gen
>= 6) {
762 seq_printf(m
, " FAULT_REG: 0x%08x\n", error
->fault_reg
[ring
]);
763 seq_printf(m
, " SYNC_0: 0x%08x\n",
764 error
->semaphore_mboxes
[ring
][0]);
765 seq_printf(m
, " SYNC_1: 0x%08x\n",
766 error
->semaphore_mboxes
[ring
][1]);
768 seq_printf(m
, " seqno: 0x%08x\n", error
->seqno
[ring
]);
769 seq_printf(m
, " ring->head: 0x%08x\n", error
->cpu_ring_head
[ring
]);
770 seq_printf(m
, " ring->tail: 0x%08x\n", error
->cpu_ring_tail
[ring
]);
773 static int i915_error_state(struct seq_file
*m
, void *unused
)
775 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
776 struct drm_device
*dev
= node
->minor
->dev
;
777 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
778 struct drm_i915_error_state
*error
;
780 int i
, j
, page
, offset
, elt
;
782 spin_lock_irqsave(&dev_priv
->error_lock
, flags
);
783 if (!dev_priv
->first_error
) {
784 seq_printf(m
, "no error state collected\n");
788 error
= dev_priv
->first_error
;
790 seq_printf(m
, "Time: %ld s %ld us\n", error
->time
.tv_sec
,
791 error
->time
.tv_usec
);
792 seq_printf(m
, "PCI ID: 0x%04x\n", dev
->pci_device
);
793 seq_printf(m
, "EIR: 0x%08x\n", error
->eir
);
794 seq_printf(m
, "PGTBL_ER: 0x%08x\n", error
->pgtbl_er
);
796 for (i
= 0; i
< dev_priv
->num_fence_regs
; i
++)
797 seq_printf(m
, " fence[%d] = %08llx\n", i
, error
->fence
[i
]);
799 if (INTEL_INFO(dev
)->gen
>= 6) {
800 seq_printf(m
, "ERROR: 0x%08x\n", error
->error
);
801 seq_printf(m
, "DONE_REG: 0x%08x\n", error
->done_reg
);
804 i915_ring_error_state(m
, dev
, error
, RCS
);
806 i915_ring_error_state(m
, dev
, error
, BCS
);
808 i915_ring_error_state(m
, dev
, error
, VCS
);
810 if (error
->active_bo
)
811 print_error_buffers(m
, "Active",
813 error
->active_bo_count
);
815 if (error
->pinned_bo
)
816 print_error_buffers(m
, "Pinned",
818 error
->pinned_bo_count
);
820 for (i
= 0; i
< ARRAY_SIZE(error
->ring
); i
++) {
821 struct drm_i915_error_object
*obj
;
823 if ((obj
= error
->ring
[i
].batchbuffer
)) {
824 seq_printf(m
, "%s --- gtt_offset = 0x%08x\n",
825 dev_priv
->ring
[i
].name
,
828 for (page
= 0; page
< obj
->page_count
; page
++) {
829 for (elt
= 0; elt
< PAGE_SIZE
/4; elt
++) {
830 seq_printf(m
, "%08x : %08x\n", offset
, obj
->pages
[page
][elt
]);
836 if (error
->ring
[i
].num_requests
) {
837 seq_printf(m
, "%s --- %d requests\n",
838 dev_priv
->ring
[i
].name
,
839 error
->ring
[i
].num_requests
);
840 for (j
= 0; j
< error
->ring
[i
].num_requests
; j
++) {
841 seq_printf(m
, " seqno 0x%08x, emitted %ld, tail 0x%08x\n",
842 error
->ring
[i
].requests
[j
].seqno
,
843 error
->ring
[i
].requests
[j
].jiffies
,
844 error
->ring
[i
].requests
[j
].tail
);
848 if ((obj
= error
->ring
[i
].ringbuffer
)) {
849 seq_printf(m
, "%s --- ringbuffer = 0x%08x\n",
850 dev_priv
->ring
[i
].name
,
853 for (page
= 0; page
< obj
->page_count
; page
++) {
854 for (elt
= 0; elt
< PAGE_SIZE
/4; elt
++) {
855 seq_printf(m
, "%08x : %08x\n",
857 obj
->pages
[page
][elt
]);
865 intel_overlay_print_error_state(m
, error
->overlay
);
868 intel_display_print_error_state(m
, dev
, error
->display
);
871 spin_unlock_irqrestore(&dev_priv
->error_lock
, flags
);
876 static int i915_rstdby_delays(struct seq_file
*m
, void *unused
)
878 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
879 struct drm_device
*dev
= node
->minor
->dev
;
880 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
884 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
888 crstanddelay
= I915_READ16(CRSTANDVID
);
890 mutex_unlock(&dev
->struct_mutex
);
892 seq_printf(m
, "w/ctx: %d, w/o ctx: %d\n", (crstanddelay
>> 8) & 0x3f, (crstanddelay
& 0x3f));
897 static int i915_cur_delayinfo(struct seq_file
*m
, void *unused
)
899 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
900 struct drm_device
*dev
= node
->minor
->dev
;
901 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
905 u16 rgvswctl
= I915_READ16(MEMSWCTL
);
906 u16 rgvstat
= I915_READ16(MEMSTAT_ILK
);
908 seq_printf(m
, "Requested P-state: %d\n", (rgvswctl
>> 8) & 0xf);
909 seq_printf(m
, "Requested VID: %d\n", rgvswctl
& 0x3f);
910 seq_printf(m
, "Current VID: %d\n", (rgvstat
& MEMSTAT_VID_MASK
) >>
912 seq_printf(m
, "Current P-state: %d\n",
913 (rgvstat
& MEMSTAT_PSTATE_MASK
) >> MEMSTAT_PSTATE_SHIFT
);
914 } else if (IS_GEN6(dev
) || IS_GEN7(dev
)) {
915 u32 gt_perf_status
= I915_READ(GEN6_GT_PERF_STATUS
);
916 u32 rp_state_limits
= I915_READ(GEN6_RP_STATE_LIMITS
);
917 u32 rp_state_cap
= I915_READ(GEN6_RP_STATE_CAP
);
919 u32 rpupei
, rpcurup
, rpprevup
;
920 u32 rpdownei
, rpcurdown
, rpprevdown
;
923 /* RPSTAT1 is in the GT power well */
924 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
928 gen6_gt_force_wake_get(dev_priv
);
930 rpstat
= I915_READ(GEN6_RPSTAT1
);
931 rpupei
= I915_READ(GEN6_RP_CUR_UP_EI
);
932 rpcurup
= I915_READ(GEN6_RP_CUR_UP
);
933 rpprevup
= I915_READ(GEN6_RP_PREV_UP
);
934 rpdownei
= I915_READ(GEN6_RP_CUR_DOWN_EI
);
935 rpcurdown
= I915_READ(GEN6_RP_CUR_DOWN
);
936 rpprevdown
= I915_READ(GEN6_RP_PREV_DOWN
);
938 gen6_gt_force_wake_put(dev_priv
);
939 mutex_unlock(&dev
->struct_mutex
);
941 seq_printf(m
, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status
);
942 seq_printf(m
, "RPSTAT1: 0x%08x\n", rpstat
);
943 seq_printf(m
, "Render p-state ratio: %d\n",
944 (gt_perf_status
& 0xff00) >> 8);
945 seq_printf(m
, "Render p-state VID: %d\n",
946 gt_perf_status
& 0xff);
947 seq_printf(m
, "Render p-state limit: %d\n",
948 rp_state_limits
& 0xff);
949 seq_printf(m
, "CAGF: %dMHz\n", ((rpstat
& GEN6_CAGF_MASK
) >>
950 GEN6_CAGF_SHIFT
) * 50);
951 seq_printf(m
, "RP CUR UP EI: %dus\n", rpupei
&
953 seq_printf(m
, "RP CUR UP: %dus\n", rpcurup
&
954 GEN6_CURBSYTAVG_MASK
);
955 seq_printf(m
, "RP PREV UP: %dus\n", rpprevup
&
956 GEN6_CURBSYTAVG_MASK
);
957 seq_printf(m
, "RP CUR DOWN EI: %dus\n", rpdownei
&
959 seq_printf(m
, "RP CUR DOWN: %dus\n", rpcurdown
&
960 GEN6_CURBSYTAVG_MASK
);
961 seq_printf(m
, "RP PREV DOWN: %dus\n", rpprevdown
&
962 GEN6_CURBSYTAVG_MASK
);
964 max_freq
= (rp_state_cap
& 0xff0000) >> 16;
965 seq_printf(m
, "Lowest (RPN) frequency: %dMHz\n",
968 max_freq
= (rp_state_cap
& 0xff00) >> 8;
969 seq_printf(m
, "Nominal (RP1) frequency: %dMHz\n",
972 max_freq
= rp_state_cap
& 0xff;
973 seq_printf(m
, "Max non-overclocked (RP0) frequency: %dMHz\n",
976 seq_printf(m
, "no P-state info available\n");
982 static int i915_delayfreq_table(struct seq_file
*m
, void *unused
)
984 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
985 struct drm_device
*dev
= node
->minor
->dev
;
986 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
990 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
994 for (i
= 0; i
< 16; i
++) {
995 delayfreq
= I915_READ(PXVFREQ_BASE
+ i
* 4);
996 seq_printf(m
, "P%02dVIDFREQ: 0x%08x (VID: %d)\n", i
, delayfreq
,
997 (delayfreq
& PXVFREQ_PX_MASK
) >> PXVFREQ_PX_SHIFT
);
1000 mutex_unlock(&dev
->struct_mutex
);
1005 static inline int MAP_TO_MV(int map
)
1007 return 1250 - (map
* 25);
1010 static int i915_inttoext_table(struct seq_file
*m
, void *unused
)
1012 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1013 struct drm_device
*dev
= node
->minor
->dev
;
1014 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1018 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1022 for (i
= 1; i
<= 32; i
++) {
1023 inttoext
= I915_READ(INTTOEXT_BASE_ILK
+ i
* 4);
1024 seq_printf(m
, "INTTOEXT%02d: 0x%08x\n", i
, inttoext
);
1027 mutex_unlock(&dev
->struct_mutex
);
1032 static int ironlake_drpc_info(struct seq_file
*m
)
1034 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1035 struct drm_device
*dev
= node
->minor
->dev
;
1036 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1037 u32 rgvmodectl
, rstdbyctl
;
1041 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1045 rgvmodectl
= I915_READ(MEMMODECTL
);
1046 rstdbyctl
= I915_READ(RSTDBYCTL
);
1047 crstandvid
= I915_READ16(CRSTANDVID
);
1049 mutex_unlock(&dev
->struct_mutex
);
1051 seq_printf(m
, "HD boost: %s\n", (rgvmodectl
& MEMMODE_BOOST_EN
) ?
1053 seq_printf(m
, "Boost freq: %d\n",
1054 (rgvmodectl
& MEMMODE_BOOST_FREQ_MASK
) >>
1055 MEMMODE_BOOST_FREQ_SHIFT
);
1056 seq_printf(m
, "HW control enabled: %s\n",
1057 rgvmodectl
& MEMMODE_HWIDLE_EN
? "yes" : "no");
1058 seq_printf(m
, "SW control enabled: %s\n",
1059 rgvmodectl
& MEMMODE_SWMODE_EN
? "yes" : "no");
1060 seq_printf(m
, "Gated voltage change: %s\n",
1061 rgvmodectl
& MEMMODE_RCLK_GATE
? "yes" : "no");
1062 seq_printf(m
, "Starting frequency: P%d\n",
1063 (rgvmodectl
& MEMMODE_FSTART_MASK
) >> MEMMODE_FSTART_SHIFT
);
1064 seq_printf(m
, "Max P-state: P%d\n",
1065 (rgvmodectl
& MEMMODE_FMAX_MASK
) >> MEMMODE_FMAX_SHIFT
);
1066 seq_printf(m
, "Min P-state: P%d\n", (rgvmodectl
& MEMMODE_FMIN_MASK
));
1067 seq_printf(m
, "RS1 VID: %d\n", (crstandvid
& 0x3f));
1068 seq_printf(m
, "RS2 VID: %d\n", ((crstandvid
>> 8) & 0x3f));
1069 seq_printf(m
, "Render standby enabled: %s\n",
1070 (rstdbyctl
& RCX_SW_EXIT
) ? "no" : "yes");
1071 seq_printf(m
, "Current RS state: ");
1072 switch (rstdbyctl
& RSX_STATUS_MASK
) {
1074 seq_printf(m
, "on\n");
1076 case RSX_STATUS_RC1
:
1077 seq_printf(m
, "RC1\n");
1079 case RSX_STATUS_RC1E
:
1080 seq_printf(m
, "RC1E\n");
1082 case RSX_STATUS_RS1
:
1083 seq_printf(m
, "RS1\n");
1085 case RSX_STATUS_RS2
:
1086 seq_printf(m
, "RS2 (RC6)\n");
1088 case RSX_STATUS_RS3
:
1089 seq_printf(m
, "RC3 (RC6+)\n");
1092 seq_printf(m
, "unknown\n");
1099 static int gen6_drpc_info(struct seq_file
*m
)
1102 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1103 struct drm_device
*dev
= node
->minor
->dev
;
1104 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1105 u32 rpmodectl1
, gt_core_status
, rcctl1
;
1106 unsigned forcewake_count
;
1110 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1114 spin_lock_irq(&dev_priv
->gt_lock
);
1115 forcewake_count
= dev_priv
->forcewake_count
;
1116 spin_unlock_irq(&dev_priv
->gt_lock
);
1118 if (forcewake_count
) {
1119 seq_printf(m
, "RC information inaccurate because somebody "
1120 "holds a forcewake reference \n");
1122 /* NB: we cannot use forcewake, else we read the wrong values */
1123 while (count
++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_ACK
) & 1))
1125 seq_printf(m
, "RC information accurate: %s\n", yesno(count
< 51));
1128 gt_core_status
= readl(dev_priv
->regs
+ GEN6_GT_CORE_STATUS
);
1129 trace_i915_reg_rw(false, GEN6_GT_CORE_STATUS
, gt_core_status
, 4);
1131 rpmodectl1
= I915_READ(GEN6_RP_CONTROL
);
1132 rcctl1
= I915_READ(GEN6_RC_CONTROL
);
1133 mutex_unlock(&dev
->struct_mutex
);
1135 seq_printf(m
, "Video Turbo Mode: %s\n",
1136 yesno(rpmodectl1
& GEN6_RP_MEDIA_TURBO
));
1137 seq_printf(m
, "HW control enabled: %s\n",
1138 yesno(rpmodectl1
& GEN6_RP_ENABLE
));
1139 seq_printf(m
, "SW control enabled: %s\n",
1140 yesno((rpmodectl1
& GEN6_RP_MEDIA_MODE_MASK
) ==
1141 GEN6_RP_MEDIA_SW_MODE
));
1142 seq_printf(m
, "RC1e Enabled: %s\n",
1143 yesno(rcctl1
& GEN6_RC_CTL_RC1e_ENABLE
));
1144 seq_printf(m
, "RC6 Enabled: %s\n",
1145 yesno(rcctl1
& GEN6_RC_CTL_RC6_ENABLE
));
1146 seq_printf(m
, "Deep RC6 Enabled: %s\n",
1147 yesno(rcctl1
& GEN6_RC_CTL_RC6p_ENABLE
));
1148 seq_printf(m
, "Deepest RC6 Enabled: %s\n",
1149 yesno(rcctl1
& GEN6_RC_CTL_RC6pp_ENABLE
));
1150 seq_printf(m
, "Current RC state: ");
1151 switch (gt_core_status
& GEN6_RCn_MASK
) {
1153 if (gt_core_status
& GEN6_CORE_CPD_STATE_MASK
)
1154 seq_printf(m
, "Core Power Down\n");
1156 seq_printf(m
, "on\n");
1159 seq_printf(m
, "RC3\n");
1162 seq_printf(m
, "RC6\n");
1165 seq_printf(m
, "RC7\n");
1168 seq_printf(m
, "Unknown\n");
1172 seq_printf(m
, "Core Power Down: %s\n",
1173 yesno(gt_core_status
& GEN6_CORE_CPD_STATE_MASK
));
1175 /* Not exactly sure what this is */
1176 seq_printf(m
, "RC6 \"Locked to RPn\" residency since boot: %u\n",
1177 I915_READ(GEN6_GT_GFX_RC6_LOCKED
));
1178 seq_printf(m
, "RC6 residency since boot: %u\n",
1179 I915_READ(GEN6_GT_GFX_RC6
));
1180 seq_printf(m
, "RC6+ residency since boot: %u\n",
1181 I915_READ(GEN6_GT_GFX_RC6p
));
1182 seq_printf(m
, "RC6++ residency since boot: %u\n",
1183 I915_READ(GEN6_GT_GFX_RC6pp
));
1188 static int i915_drpc_info(struct seq_file
*m
, void *unused
)
1190 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1191 struct drm_device
*dev
= node
->minor
->dev
;
1193 if (IS_GEN6(dev
) || IS_GEN7(dev
))
1194 return gen6_drpc_info(m
);
1196 return ironlake_drpc_info(m
);
1199 static int i915_fbc_status(struct seq_file
*m
, void *unused
)
1201 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1202 struct drm_device
*dev
= node
->minor
->dev
;
1203 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1205 if (!I915_HAS_FBC(dev
)) {
1206 seq_printf(m
, "FBC unsupported on this chipset\n");
1210 if (intel_fbc_enabled(dev
)) {
1211 seq_printf(m
, "FBC enabled\n");
1213 seq_printf(m
, "FBC disabled: ");
1214 switch (dev_priv
->no_fbc_reason
) {
1216 seq_printf(m
, "no outputs");
1218 case FBC_STOLEN_TOO_SMALL
:
1219 seq_printf(m
, "not enough stolen memory");
1221 case FBC_UNSUPPORTED_MODE
:
1222 seq_printf(m
, "mode not supported");
1224 case FBC_MODE_TOO_LARGE
:
1225 seq_printf(m
, "mode too large");
1228 seq_printf(m
, "FBC unsupported on plane");
1231 seq_printf(m
, "scanout buffer not tiled");
1233 case FBC_MULTIPLE_PIPES
:
1234 seq_printf(m
, "multiple pipes are enabled");
1236 case FBC_MODULE_PARAM
:
1237 seq_printf(m
, "disabled per module param (default off)");
1240 seq_printf(m
, "unknown reason");
1242 seq_printf(m
, "\n");
1247 static int i915_sr_status(struct seq_file
*m
, void *unused
)
1249 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1250 struct drm_device
*dev
= node
->minor
->dev
;
1251 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1252 bool sr_enabled
= false;
1254 if (HAS_PCH_SPLIT(dev
))
1255 sr_enabled
= I915_READ(WM1_LP_ILK
) & WM1_LP_SR_EN
;
1256 else if (IS_CRESTLINE(dev
) || IS_I945G(dev
) || IS_I945GM(dev
))
1257 sr_enabled
= I915_READ(FW_BLC_SELF
) & FW_BLC_SELF_EN
;
1258 else if (IS_I915GM(dev
))
1259 sr_enabled
= I915_READ(INSTPM
) & INSTPM_SELF_EN
;
1260 else if (IS_PINEVIEW(dev
))
1261 sr_enabled
= I915_READ(DSPFW3
) & PINEVIEW_SELF_REFRESH_EN
;
1263 seq_printf(m
, "self-refresh: %s\n",
1264 sr_enabled
? "enabled" : "disabled");
1269 static int i915_emon_status(struct seq_file
*m
, void *unused
)
1271 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1272 struct drm_device
*dev
= node
->minor
->dev
;
1273 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1274 unsigned long temp
, chipset
, gfx
;
1277 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1281 temp
= i915_mch_val(dev_priv
);
1282 chipset
= i915_chipset_val(dev_priv
);
1283 gfx
= i915_gfx_val(dev_priv
);
1284 mutex_unlock(&dev
->struct_mutex
);
1286 seq_printf(m
, "GMCH temp: %ld\n", temp
);
1287 seq_printf(m
, "Chipset power: %ld\n", chipset
);
1288 seq_printf(m
, "GFX power: %ld\n", gfx
);
1289 seq_printf(m
, "Total power: %ld\n", chipset
+ gfx
);
1294 static int i915_ring_freq_table(struct seq_file
*m
, void *unused
)
1296 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1297 struct drm_device
*dev
= node
->minor
->dev
;
1298 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1300 int gpu_freq
, ia_freq
;
1302 if (!(IS_GEN6(dev
) || IS_GEN7(dev
))) {
1303 seq_printf(m
, "unsupported on this chipset\n");
1307 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1311 seq_printf(m
, "GPU freq (MHz)\tEffective CPU freq (MHz)\n");
1313 for (gpu_freq
= dev_priv
->min_delay
; gpu_freq
<= dev_priv
->max_delay
;
1315 I915_WRITE(GEN6_PCODE_DATA
, gpu_freq
);
1316 I915_WRITE(GEN6_PCODE_MAILBOX
, GEN6_PCODE_READY
|
1317 GEN6_PCODE_READ_MIN_FREQ_TABLE
);
1318 if (wait_for((I915_READ(GEN6_PCODE_MAILBOX
) &
1319 GEN6_PCODE_READY
) == 0, 10)) {
1320 DRM_ERROR("pcode read of freq table timed out\n");
1323 ia_freq
= I915_READ(GEN6_PCODE_DATA
);
1324 seq_printf(m
, "%d\t\t%d\n", gpu_freq
* 50, ia_freq
* 100);
1327 mutex_unlock(&dev
->struct_mutex
);
1332 static int i915_gfxec(struct seq_file
*m
, void *unused
)
1334 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1335 struct drm_device
*dev
= node
->minor
->dev
;
1336 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1339 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1343 seq_printf(m
, "GFXEC: %ld\n", (unsigned long)I915_READ(0x112f4));
1345 mutex_unlock(&dev
->struct_mutex
);
1350 static int i915_opregion(struct seq_file
*m
, void *unused
)
1352 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1353 struct drm_device
*dev
= node
->minor
->dev
;
1354 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1355 struct intel_opregion
*opregion
= &dev_priv
->opregion
;
1358 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1362 if (opregion
->header
)
1363 seq_write(m
, opregion
->header
, OPREGION_SIZE
);
1365 mutex_unlock(&dev
->struct_mutex
);
1370 static int i915_gem_framebuffer_info(struct seq_file
*m
, void *data
)
1372 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1373 struct drm_device
*dev
= node
->minor
->dev
;
1374 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1375 struct intel_fbdev
*ifbdev
;
1376 struct intel_framebuffer
*fb
;
1379 ret
= mutex_lock_interruptible(&dev
->mode_config
.mutex
);
1383 ifbdev
= dev_priv
->fbdev
;
1384 fb
= to_intel_framebuffer(ifbdev
->helper
.fb
);
1386 seq_printf(m
, "fbcon size: %d x %d, depth %d, %d bpp, obj ",
1390 fb
->base
.bits_per_pixel
);
1391 describe_obj(m
, fb
->obj
);
1392 seq_printf(m
, "\n");
1394 list_for_each_entry(fb
, &dev
->mode_config
.fb_list
, base
.head
) {
1395 if (&fb
->base
== ifbdev
->helper
.fb
)
1398 seq_printf(m
, "user size: %d x %d, depth %d, %d bpp, obj ",
1402 fb
->base
.bits_per_pixel
);
1403 describe_obj(m
, fb
->obj
);
1404 seq_printf(m
, "\n");
1407 mutex_unlock(&dev
->mode_config
.mutex
);
1412 static int i915_context_status(struct seq_file
*m
, void *unused
)
1414 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1415 struct drm_device
*dev
= node
->minor
->dev
;
1416 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1419 ret
= mutex_lock_interruptible(&dev
->mode_config
.mutex
);
1423 if (dev_priv
->pwrctx
) {
1424 seq_printf(m
, "power context ");
1425 describe_obj(m
, dev_priv
->pwrctx
);
1426 seq_printf(m
, "\n");
1429 if (dev_priv
->renderctx
) {
1430 seq_printf(m
, "render context ");
1431 describe_obj(m
, dev_priv
->renderctx
);
1432 seq_printf(m
, "\n");
1435 mutex_unlock(&dev
->mode_config
.mutex
);
1440 static int i915_gen6_forcewake_count_info(struct seq_file
*m
, void *data
)
1442 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1443 struct drm_device
*dev
= node
->minor
->dev
;
1444 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1445 unsigned forcewake_count
;
1447 spin_lock_irq(&dev_priv
->gt_lock
);
1448 forcewake_count
= dev_priv
->forcewake_count
;
1449 spin_unlock_irq(&dev_priv
->gt_lock
);
1451 seq_printf(m
, "forcewake count = %u\n", forcewake_count
);
1456 static const char *swizzle_string(unsigned swizzle
)
1459 case I915_BIT_6_SWIZZLE_NONE
:
1461 case I915_BIT_6_SWIZZLE_9
:
1463 case I915_BIT_6_SWIZZLE_9_10
:
1464 return "bit9/bit10";
1465 case I915_BIT_6_SWIZZLE_9_11
:
1466 return "bit9/bit11";
1467 case I915_BIT_6_SWIZZLE_9_10_11
:
1468 return "bit9/bit10/bit11";
1469 case I915_BIT_6_SWIZZLE_9_17
:
1470 return "bit9/bit17";
1471 case I915_BIT_6_SWIZZLE_9_10_17
:
1472 return "bit9/bit10/bit17";
1473 case I915_BIT_6_SWIZZLE_UNKNOWN
:
1480 static int i915_swizzle_info(struct seq_file
*m
, void *data
)
1482 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1483 struct drm_device
*dev
= node
->minor
->dev
;
1484 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1486 mutex_lock(&dev
->struct_mutex
);
1487 seq_printf(m
, "bit6 swizzle for X-tiling = %s\n",
1488 swizzle_string(dev_priv
->mm
.bit_6_swizzle_x
));
1489 seq_printf(m
, "bit6 swizzle for Y-tiling = %s\n",
1490 swizzle_string(dev_priv
->mm
.bit_6_swizzle_y
));
1492 if (IS_GEN3(dev
) || IS_GEN4(dev
)) {
1493 seq_printf(m
, "DDC = 0x%08x\n",
1495 seq_printf(m
, "C0DRB3 = 0x%04x\n",
1496 I915_READ16(C0DRB3
));
1497 seq_printf(m
, "C1DRB3 = 0x%04x\n",
1498 I915_READ16(C1DRB3
));
1499 } else if (IS_GEN6(dev
) || IS_GEN7(dev
)) {
1500 seq_printf(m
, "MAD_DIMM_C0 = 0x%08x\n",
1501 I915_READ(MAD_DIMM_C0
));
1502 seq_printf(m
, "MAD_DIMM_C1 = 0x%08x\n",
1503 I915_READ(MAD_DIMM_C1
));
1504 seq_printf(m
, "MAD_DIMM_C2 = 0x%08x\n",
1505 I915_READ(MAD_DIMM_C2
));
1506 seq_printf(m
, "TILECTL = 0x%08x\n",
1507 I915_READ(TILECTL
));
1508 seq_printf(m
, "ARB_MODE = 0x%08x\n",
1509 I915_READ(ARB_MODE
));
1510 seq_printf(m
, "DISP_ARB_CTL = 0x%08x\n",
1511 I915_READ(DISP_ARB_CTL
));
1513 mutex_unlock(&dev
->struct_mutex
);
1518 static int i915_ppgtt_info(struct seq_file
*m
, void *data
)
1520 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1521 struct drm_device
*dev
= node
->minor
->dev
;
1522 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1523 struct intel_ring_buffer
*ring
;
1527 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1530 if (INTEL_INFO(dev
)->gen
== 6)
1531 seq_printf(m
, "GFX_MODE: 0x%08x\n", I915_READ(GFX_MODE
));
1533 for (i
= 0; i
< I915_NUM_RINGS
; i
++) {
1534 ring
= &dev_priv
->ring
[i
];
1536 seq_printf(m
, "%s\n", ring
->name
);
1537 if (INTEL_INFO(dev
)->gen
== 7)
1538 seq_printf(m
, "GFX_MODE: 0x%08x\n", I915_READ(RING_MODE_GEN7(ring
)));
1539 seq_printf(m
, "PP_DIR_BASE: 0x%08x\n", I915_READ(RING_PP_DIR_BASE(ring
)));
1540 seq_printf(m
, "PP_DIR_BASE_READ: 0x%08x\n", I915_READ(RING_PP_DIR_BASE_READ(ring
)));
1541 seq_printf(m
, "PP_DIR_DCLV: 0x%08x\n", I915_READ(RING_PP_DIR_DCLV(ring
)));
1543 if (dev_priv
->mm
.aliasing_ppgtt
) {
1544 struct i915_hw_ppgtt
*ppgtt
= dev_priv
->mm
.aliasing_ppgtt
;
1546 seq_printf(m
, "aliasing PPGTT:\n");
1547 seq_printf(m
, "pd gtt offset: 0x%08x\n", ppgtt
->pd_offset
);
1549 seq_printf(m
, "ECOCHK: 0x%08x\n", I915_READ(GAM_ECOCHK
));
1550 mutex_unlock(&dev
->struct_mutex
);
1555 static int i915_dpio_info(struct seq_file
*m
, void *data
)
1557 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1558 struct drm_device
*dev
= node
->minor
->dev
;
1559 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1563 if (!IS_VALLEYVIEW(dev
)) {
1564 seq_printf(m
, "unsupported\n");
1568 ret
= mutex_lock_interruptible(&dev
->mode_config
.mutex
);
1572 seq_printf(m
, "DPIO_CTL: 0x%08x\n", I915_READ(DPIO_CTL
));
1574 seq_printf(m
, "DPIO_DIV_A: 0x%08x\n",
1575 intel_dpio_read(dev_priv
, _DPIO_DIV_A
));
1576 seq_printf(m
, "DPIO_DIV_B: 0x%08x\n",
1577 intel_dpio_read(dev_priv
, _DPIO_DIV_B
));
1579 seq_printf(m
, "DPIO_REFSFR_A: 0x%08x\n",
1580 intel_dpio_read(dev_priv
, _DPIO_REFSFR_A
));
1581 seq_printf(m
, "DPIO_REFSFR_B: 0x%08x\n",
1582 intel_dpio_read(dev_priv
, _DPIO_REFSFR_B
));
1584 seq_printf(m
, "DPIO_CORE_CLK_A: 0x%08x\n",
1585 intel_dpio_read(dev_priv
, _DPIO_CORE_CLK_A
));
1586 seq_printf(m
, "DPIO_CORE_CLK_B: 0x%08x\n",
1587 intel_dpio_read(dev_priv
, _DPIO_CORE_CLK_B
));
1589 seq_printf(m
, "DPIO_LFP_COEFF_A: 0x%08x\n",
1590 intel_dpio_read(dev_priv
, _DPIO_LFP_COEFF_A
));
1591 seq_printf(m
, "DPIO_LFP_COEFF_B: 0x%08x\n",
1592 intel_dpio_read(dev_priv
, _DPIO_LFP_COEFF_B
));
1594 seq_printf(m
, "DPIO_FASTCLK_DISABLE: 0x%08x\n",
1595 intel_dpio_read(dev_priv
, DPIO_FASTCLK_DISABLE
));
1597 mutex_unlock(&dev
->mode_config
.mutex
);
1603 i915_wedged_read(struct file
*filp
,
1608 struct drm_device
*dev
= filp
->private_data
;
1609 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1613 len
= snprintf(buf
, sizeof(buf
),
1615 atomic_read(&dev_priv
->mm
.wedged
));
1617 if (len
> sizeof(buf
))
1620 return simple_read_from_buffer(ubuf
, max
, ppos
, buf
, len
);
1624 i915_wedged_write(struct file
*filp
,
1625 const char __user
*ubuf
,
1629 struct drm_device
*dev
= filp
->private_data
;
1634 if (cnt
> sizeof(buf
) - 1)
1637 if (copy_from_user(buf
, ubuf
, cnt
))
1641 val
= simple_strtoul(buf
, NULL
, 0);
1644 DRM_INFO("Manually setting wedged to %d\n", val
);
1645 i915_handle_error(dev
, val
);
1650 static const struct file_operations i915_wedged_fops
= {
1651 .owner
= THIS_MODULE
,
1652 .open
= simple_open
,
1653 .read
= i915_wedged_read
,
1654 .write
= i915_wedged_write
,
1655 .llseek
= default_llseek
,
1659 i915_max_freq_read(struct file
*filp
,
1664 struct drm_device
*dev
= filp
->private_data
;
1665 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1669 len
= snprintf(buf
, sizeof(buf
),
1670 "max freq: %d\n", dev_priv
->max_delay
* 50);
1672 if (len
> sizeof(buf
))
1675 return simple_read_from_buffer(ubuf
, max
, ppos
, buf
, len
);
1679 i915_max_freq_write(struct file
*filp
,
1680 const char __user
*ubuf
,
1684 struct drm_device
*dev
= filp
->private_data
;
1685 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1690 if (cnt
> sizeof(buf
) - 1)
1693 if (copy_from_user(buf
, ubuf
, cnt
))
1697 val
= simple_strtoul(buf
, NULL
, 0);
1700 DRM_DEBUG_DRIVER("Manually setting max freq to %d\n", val
);
1703 * Turbo will still be enabled, but won't go above the set value.
1705 dev_priv
->max_delay
= val
/ 50;
1707 gen6_set_rps(dev
, val
/ 50);
1712 static const struct file_operations i915_max_freq_fops
= {
1713 .owner
= THIS_MODULE
,
1714 .open
= simple_open
,
1715 .read
= i915_max_freq_read
,
1716 .write
= i915_max_freq_write
,
1717 .llseek
= default_llseek
,
1721 i915_cache_sharing_read(struct file
*filp
,
1726 struct drm_device
*dev
= filp
->private_data
;
1727 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1732 mutex_lock(&dev_priv
->dev
->struct_mutex
);
1733 snpcr
= I915_READ(GEN6_MBCUNIT_SNPCR
);
1734 mutex_unlock(&dev_priv
->dev
->struct_mutex
);
1736 len
= snprintf(buf
, sizeof(buf
),
1737 "%d\n", (snpcr
& GEN6_MBC_SNPCR_MASK
) >>
1738 GEN6_MBC_SNPCR_SHIFT
);
1740 if (len
> sizeof(buf
))
1743 return simple_read_from_buffer(ubuf
, max
, ppos
, buf
, len
);
1747 i915_cache_sharing_write(struct file
*filp
,
1748 const char __user
*ubuf
,
1752 struct drm_device
*dev
= filp
->private_data
;
1753 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1759 if (cnt
> sizeof(buf
) - 1)
1762 if (copy_from_user(buf
, ubuf
, cnt
))
1766 val
= simple_strtoul(buf
, NULL
, 0);
1769 if (val
< 0 || val
> 3)
1772 DRM_DEBUG_DRIVER("Manually setting uncore sharing to %d\n", val
);
1774 /* Update the cache sharing policy here as well */
1775 snpcr
= I915_READ(GEN6_MBCUNIT_SNPCR
);
1776 snpcr
&= ~GEN6_MBC_SNPCR_MASK
;
1777 snpcr
|= (val
<< GEN6_MBC_SNPCR_SHIFT
);
1778 I915_WRITE(GEN6_MBCUNIT_SNPCR
, snpcr
);
1783 static const struct file_operations i915_cache_sharing_fops
= {
1784 .owner
= THIS_MODULE
,
1785 .open
= simple_open
,
1786 .read
= i915_cache_sharing_read
,
1787 .write
= i915_cache_sharing_write
,
1788 .llseek
= default_llseek
,
1791 /* As the drm_debugfs_init() routines are called before dev->dev_private is
1792 * allocated we need to hook into the minor for release. */
1794 drm_add_fake_info_node(struct drm_minor
*minor
,
1798 struct drm_info_node
*node
;
1800 node
= kmalloc(sizeof(struct drm_info_node
), GFP_KERNEL
);
1802 debugfs_remove(ent
);
1806 node
->minor
= minor
;
1808 node
->info_ent
= (void *) key
;
1810 mutex_lock(&minor
->debugfs_lock
);
1811 list_add(&node
->list
, &minor
->debugfs_list
);
1812 mutex_unlock(&minor
->debugfs_lock
);
1817 static int i915_forcewake_open(struct inode
*inode
, struct file
*file
)
1819 struct drm_device
*dev
= inode
->i_private
;
1820 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1823 if (INTEL_INFO(dev
)->gen
< 6)
1826 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1829 gen6_gt_force_wake_get(dev_priv
);
1830 mutex_unlock(&dev
->struct_mutex
);
1835 int i915_forcewake_release(struct inode
*inode
, struct file
*file
)
1837 struct drm_device
*dev
= inode
->i_private
;
1838 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1840 if (INTEL_INFO(dev
)->gen
< 6)
1844 * It's bad that we can potentially hang userspace if struct_mutex gets
1845 * forever stuck. However, if we cannot acquire this lock it means that
1846 * almost certainly the driver has hung, is not unload-able. Therefore
1847 * hanging here is probably a minor inconvenience not to be seen my
1848 * almost every user.
1850 mutex_lock(&dev
->struct_mutex
);
1851 gen6_gt_force_wake_put(dev_priv
);
1852 mutex_unlock(&dev
->struct_mutex
);
1857 static const struct file_operations i915_forcewake_fops
= {
1858 .owner
= THIS_MODULE
,
1859 .open
= i915_forcewake_open
,
1860 .release
= i915_forcewake_release
,
1863 static int i915_forcewake_create(struct dentry
*root
, struct drm_minor
*minor
)
1865 struct drm_device
*dev
= minor
->dev
;
1868 ent
= debugfs_create_file("i915_forcewake_user",
1871 &i915_forcewake_fops
);
1873 return PTR_ERR(ent
);
1875 return drm_add_fake_info_node(minor
, ent
, &i915_forcewake_fops
);
1878 static int i915_debugfs_create(struct dentry
*root
,
1879 struct drm_minor
*minor
,
1881 const struct file_operations
*fops
)
1883 struct drm_device
*dev
= minor
->dev
;
1886 ent
= debugfs_create_file(name
,
1891 return PTR_ERR(ent
);
1893 return drm_add_fake_info_node(minor
, ent
, fops
);
1896 static struct drm_info_list i915_debugfs_list
[] = {
1897 {"i915_capabilities", i915_capabilities
, 0},
1898 {"i915_gem_objects", i915_gem_object_info
, 0},
1899 {"i915_gem_gtt", i915_gem_gtt_info
, 0},
1900 {"i915_gem_active", i915_gem_object_list_info
, 0, (void *) ACTIVE_LIST
},
1901 {"i915_gem_flushing", i915_gem_object_list_info
, 0, (void *) FLUSHING_LIST
},
1902 {"i915_gem_inactive", i915_gem_object_list_info
, 0, (void *) INACTIVE_LIST
},
1903 {"i915_gem_pinned", i915_gem_object_list_info
, 0, (void *) PINNED_LIST
},
1904 {"i915_gem_deferred_free", i915_gem_object_list_info
, 0, (void *) DEFERRED_FREE_LIST
},
1905 {"i915_gem_pageflip", i915_gem_pageflip_info
, 0},
1906 {"i915_gem_request", i915_gem_request_info
, 0},
1907 {"i915_gem_seqno", i915_gem_seqno_info
, 0},
1908 {"i915_gem_fence_regs", i915_gem_fence_regs_info
, 0},
1909 {"i915_gem_interrupt", i915_interrupt_info
, 0},
1910 {"i915_gem_hws", i915_hws_info
, 0, (void *)RCS
},
1911 {"i915_gem_hws_blt", i915_hws_info
, 0, (void *)BCS
},
1912 {"i915_gem_hws_bsd", i915_hws_info
, 0, (void *)VCS
},
1913 {"i915_ringbuffer_data", i915_ringbuffer_data
, 0, (void *)RCS
},
1914 {"i915_ringbuffer_info", i915_ringbuffer_info
, 0, (void *)RCS
},
1915 {"i915_bsd_ringbuffer_data", i915_ringbuffer_data
, 0, (void *)VCS
},
1916 {"i915_bsd_ringbuffer_info", i915_ringbuffer_info
, 0, (void *)VCS
},
1917 {"i915_blt_ringbuffer_data", i915_ringbuffer_data
, 0, (void *)BCS
},
1918 {"i915_blt_ringbuffer_info", i915_ringbuffer_info
, 0, (void *)BCS
},
1919 {"i915_error_state", i915_error_state
, 0},
1920 {"i915_rstdby_delays", i915_rstdby_delays
, 0},
1921 {"i915_cur_delayinfo", i915_cur_delayinfo
, 0},
1922 {"i915_delayfreq_table", i915_delayfreq_table
, 0},
1923 {"i915_inttoext_table", i915_inttoext_table
, 0},
1924 {"i915_drpc_info", i915_drpc_info
, 0},
1925 {"i915_emon_status", i915_emon_status
, 0},
1926 {"i915_ring_freq_table", i915_ring_freq_table
, 0},
1927 {"i915_gfxec", i915_gfxec
, 0},
1928 {"i915_fbc_status", i915_fbc_status
, 0},
1929 {"i915_sr_status", i915_sr_status
, 0},
1930 {"i915_opregion", i915_opregion
, 0},
1931 {"i915_gem_framebuffer", i915_gem_framebuffer_info
, 0},
1932 {"i915_context_status", i915_context_status
, 0},
1933 {"i915_gen6_forcewake_count", i915_gen6_forcewake_count_info
, 0},
1934 {"i915_swizzle_info", i915_swizzle_info
, 0},
1935 {"i915_ppgtt_info", i915_ppgtt_info
, 0},
1936 {"i915_dpio", i915_dpio_info
, 0},
1938 #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
1940 int i915_debugfs_init(struct drm_minor
*minor
)
1944 ret
= i915_debugfs_create(minor
->debugfs_root
, minor
,
1950 ret
= i915_forcewake_create(minor
->debugfs_root
, minor
);
1954 ret
= i915_debugfs_create(minor
->debugfs_root
, minor
,
1956 &i915_max_freq_fops
);
1960 ret
= i915_debugfs_create(minor
->debugfs_root
, minor
,
1961 "i915_cache_sharing",
1962 &i915_cache_sharing_fops
);
1966 return drm_debugfs_create_files(i915_debugfs_list
,
1967 I915_DEBUGFS_ENTRIES
,
1968 minor
->debugfs_root
, minor
);
1971 void i915_debugfs_cleanup(struct drm_minor
*minor
)
1973 drm_debugfs_remove_files(i915_debugfs_list
,
1974 I915_DEBUGFS_ENTRIES
, minor
);
1975 drm_debugfs_remove_files((struct drm_info_list
*) &i915_forcewake_fops
,
1977 drm_debugfs_remove_files((struct drm_info_list
*) &i915_wedged_fops
,
1979 drm_debugfs_remove_files((struct drm_info_list
*) &i915_max_freq_fops
,
1981 drm_debugfs_remove_files((struct drm_info_list
*) &i915_cache_sharing_fops
,
1985 #endif /* CONFIG_DEBUG_FS */