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>
33 #include <generated/utsrelease.h>
35 #include "intel_drv.h"
36 #include "intel_ringbuffer.h"
37 #include <drm/i915_drm.h>
40 #define DRM_I915_RING_DEBUG 1
43 #if defined(CONFIG_DEBUG_FS)
51 static const char *yesno(int v
)
53 return v
? "yes" : "no";
56 static int i915_capabilities(struct seq_file
*m
, void *data
)
58 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
59 struct drm_device
*dev
= node
->minor
->dev
;
60 const struct intel_device_info
*info
= INTEL_INFO(dev
);
62 seq_printf(m
, "gen: %d\n", info
->gen
);
63 seq_printf(m
, "pch: %d\n", INTEL_PCH_TYPE(dev
));
64 #define DEV_INFO_FLAG(x) seq_printf(m, #x ": %s\n", yesno(info->x))
65 #define DEV_INFO_SEP ;
73 static const char *get_pin_flag(struct drm_i915_gem_object
*obj
)
75 if (obj
->user_pin_count
> 0)
77 else if (obj
->pin_count
> 0)
83 static const char *get_tiling_flag(struct drm_i915_gem_object
*obj
)
85 switch (obj
->tiling_mode
) {
87 case I915_TILING_NONE
: return " ";
88 case I915_TILING_X
: return "X";
89 case I915_TILING_Y
: return "Y";
93 static const char *cache_level_str(int type
)
96 case I915_CACHE_NONE
: return " uncached";
97 case I915_CACHE_LLC
: return " snooped (LLC)";
98 case I915_CACHE_LLC_MLC
: return " snooped (LLC+MLC)";
104 describe_obj(struct seq_file
*m
, struct drm_i915_gem_object
*obj
)
106 seq_printf(m
, "%pK: %s%s %8zdKiB %02x %02x %d %d %d%s%s%s",
109 get_tiling_flag(obj
),
110 obj
->base
.size
/ 1024,
111 obj
->base
.read_domains
,
112 obj
->base
.write_domain
,
113 obj
->last_read_seqno
,
114 obj
->last_write_seqno
,
115 obj
->last_fenced_seqno
,
116 cache_level_str(obj
->cache_level
),
117 obj
->dirty
? " dirty" : "",
118 obj
->madv
== I915_MADV_DONTNEED
? " purgeable" : "");
120 seq_printf(m
, " (name: %d)", obj
->base
.name
);
122 seq_printf(m
, " (pinned x %d)", obj
->pin_count
);
123 if (obj
->fence_reg
!= I915_FENCE_REG_NONE
)
124 seq_printf(m
, " (fence: %d)", obj
->fence_reg
);
125 if (obj
->gtt_space
!= NULL
)
126 seq_printf(m
, " (gtt offset: %08x, size: %08x)",
127 obj
->gtt_offset
, (unsigned int)obj
->gtt_space
->size
);
129 seq_printf(m
, " (stolen: %08lx)", obj
->stolen
->start
);
130 if (obj
->pin_mappable
|| obj
->fault_mappable
) {
132 if (obj
->pin_mappable
)
134 if (obj
->fault_mappable
)
137 seq_printf(m
, " (%s mappable)", s
);
139 if (obj
->ring
!= NULL
)
140 seq_printf(m
, " (%s)", obj
->ring
->name
);
143 static int i915_gem_object_list_info(struct seq_file
*m
, void *data
)
145 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
146 uintptr_t list
= (uintptr_t) node
->info_ent
->data
;
147 struct list_head
*head
;
148 struct drm_device
*dev
= node
->minor
->dev
;
149 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
150 struct drm_i915_gem_object
*obj
;
151 size_t total_obj_size
, total_gtt_size
;
154 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
160 seq_printf(m
, "Active:\n");
161 head
= &dev_priv
->mm
.active_list
;
164 seq_printf(m
, "Inactive:\n");
165 head
= &dev_priv
->mm
.inactive_list
;
168 mutex_unlock(&dev
->struct_mutex
);
172 total_obj_size
= total_gtt_size
= count
= 0;
173 list_for_each_entry(obj
, head
, mm_list
) {
175 describe_obj(m
, obj
);
177 total_obj_size
+= obj
->base
.size
;
178 total_gtt_size
+= obj
->gtt_space
->size
;
181 mutex_unlock(&dev
->struct_mutex
);
183 seq_printf(m
, "Total %d objects, %zu bytes, %zu GTT size\n",
184 count
, total_obj_size
, total_gtt_size
);
188 #define count_objects(list, member) do { \
189 list_for_each_entry(obj, list, member) { \
190 size += obj->gtt_space->size; \
192 if (obj->map_and_fenceable) { \
193 mappable_size += obj->gtt_space->size; \
199 static int i915_gem_object_info(struct seq_file
*m
, void* data
)
201 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
202 struct drm_device
*dev
= node
->minor
->dev
;
203 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
204 u32 count
, mappable_count
, purgeable_count
;
205 size_t size
, mappable_size
, purgeable_size
;
206 struct drm_i915_gem_object
*obj
;
209 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
213 seq_printf(m
, "%u objects, %zu bytes\n",
214 dev_priv
->mm
.object_count
,
215 dev_priv
->mm
.object_memory
);
217 size
= count
= mappable_size
= mappable_count
= 0;
218 count_objects(&dev_priv
->mm
.bound_list
, gtt_list
);
219 seq_printf(m
, "%u [%u] objects, %zu [%zu] bytes in gtt\n",
220 count
, mappable_count
, size
, mappable_size
);
222 size
= count
= mappable_size
= mappable_count
= 0;
223 count_objects(&dev_priv
->mm
.active_list
, mm_list
);
224 seq_printf(m
, " %u [%u] active objects, %zu [%zu] bytes\n",
225 count
, mappable_count
, size
, mappable_size
);
227 size
= count
= mappable_size
= mappable_count
= 0;
228 count_objects(&dev_priv
->mm
.inactive_list
, mm_list
);
229 seq_printf(m
, " %u [%u] inactive objects, %zu [%zu] bytes\n",
230 count
, mappable_count
, size
, mappable_size
);
232 size
= count
= purgeable_size
= purgeable_count
= 0;
233 list_for_each_entry(obj
, &dev_priv
->mm
.unbound_list
, gtt_list
) {
234 size
+= obj
->base
.size
, ++count
;
235 if (obj
->madv
== I915_MADV_DONTNEED
)
236 purgeable_size
+= obj
->base
.size
, ++purgeable_count
;
238 seq_printf(m
, "%u unbound objects, %zu bytes\n", count
, size
);
240 size
= count
= mappable_size
= mappable_count
= 0;
241 list_for_each_entry(obj
, &dev_priv
->mm
.bound_list
, gtt_list
) {
242 if (obj
->fault_mappable
) {
243 size
+= obj
->gtt_space
->size
;
246 if (obj
->pin_mappable
) {
247 mappable_size
+= obj
->gtt_space
->size
;
250 if (obj
->madv
== I915_MADV_DONTNEED
) {
251 purgeable_size
+= obj
->base
.size
;
255 seq_printf(m
, "%u purgeable objects, %zu bytes\n",
256 purgeable_count
, purgeable_size
);
257 seq_printf(m
, "%u pinned mappable objects, %zu bytes\n",
258 mappable_count
, mappable_size
);
259 seq_printf(m
, "%u fault mappable objects, %zu bytes\n",
262 seq_printf(m
, "%zu [%lu] gtt total\n",
264 dev_priv
->gtt
.mappable_end
- dev_priv
->gtt
.start
);
266 mutex_unlock(&dev
->struct_mutex
);
271 static int i915_gem_gtt_info(struct seq_file
*m
, void* data
)
273 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
274 struct drm_device
*dev
= node
->minor
->dev
;
275 uintptr_t list
= (uintptr_t) node
->info_ent
->data
;
276 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
277 struct drm_i915_gem_object
*obj
;
278 size_t total_obj_size
, total_gtt_size
;
281 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
285 total_obj_size
= total_gtt_size
= count
= 0;
286 list_for_each_entry(obj
, &dev_priv
->mm
.bound_list
, gtt_list
) {
287 if (list
== PINNED_LIST
&& obj
->pin_count
== 0)
291 describe_obj(m
, obj
);
293 total_obj_size
+= obj
->base
.size
;
294 total_gtt_size
+= obj
->gtt_space
->size
;
298 mutex_unlock(&dev
->struct_mutex
);
300 seq_printf(m
, "Total %d objects, %zu bytes, %zu GTT size\n",
301 count
, total_obj_size
, total_gtt_size
);
306 static int i915_gem_pageflip_info(struct seq_file
*m
, void *data
)
308 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
309 struct drm_device
*dev
= node
->minor
->dev
;
311 struct intel_crtc
*crtc
;
313 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, base
.head
) {
314 const char pipe
= pipe_name(crtc
->pipe
);
315 const char plane
= plane_name(crtc
->plane
);
316 struct intel_unpin_work
*work
;
318 spin_lock_irqsave(&dev
->event_lock
, flags
);
319 work
= crtc
->unpin_work
;
321 seq_printf(m
, "No flip due on pipe %c (plane %c)\n",
324 if (atomic_read(&work
->pending
) < INTEL_FLIP_COMPLETE
) {
325 seq_printf(m
, "Flip queued on pipe %c (plane %c)\n",
328 seq_printf(m
, "Flip pending (waiting for vsync) on pipe %c (plane %c)\n",
331 if (work
->enable_stall_check
)
332 seq_printf(m
, "Stall check enabled, ");
334 seq_printf(m
, "Stall check waiting for page flip ioctl, ");
335 seq_printf(m
, "%d prepares\n", atomic_read(&work
->pending
));
337 if (work
->old_fb_obj
) {
338 struct drm_i915_gem_object
*obj
= work
->old_fb_obj
;
340 seq_printf(m
, "Old framebuffer gtt_offset 0x%08x\n", obj
->gtt_offset
);
342 if (work
->pending_flip_obj
) {
343 struct drm_i915_gem_object
*obj
= work
->pending_flip_obj
;
345 seq_printf(m
, "New framebuffer gtt_offset 0x%08x\n", obj
->gtt_offset
);
348 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
354 static int i915_gem_request_info(struct seq_file
*m
, void *data
)
356 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
357 struct drm_device
*dev
= node
->minor
->dev
;
358 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
359 struct intel_ring_buffer
*ring
;
360 struct drm_i915_gem_request
*gem_request
;
363 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
368 for_each_ring(ring
, dev_priv
, i
) {
369 if (list_empty(&ring
->request_list
))
372 seq_printf(m
, "%s requests:\n", ring
->name
);
373 list_for_each_entry(gem_request
,
376 seq_printf(m
, " %d @ %d\n",
378 (int) (jiffies
- gem_request
->emitted_jiffies
));
382 mutex_unlock(&dev
->struct_mutex
);
385 seq_printf(m
, "No requests\n");
390 static void i915_ring_seqno_info(struct seq_file
*m
,
391 struct intel_ring_buffer
*ring
)
393 if (ring
->get_seqno
) {
394 seq_printf(m
, "Current sequence (%s): %u\n",
395 ring
->name
, ring
->get_seqno(ring
, false));
399 static int i915_gem_seqno_info(struct seq_file
*m
, void *data
)
401 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
402 struct drm_device
*dev
= node
->minor
->dev
;
403 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
404 struct intel_ring_buffer
*ring
;
407 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
411 for_each_ring(ring
, dev_priv
, i
)
412 i915_ring_seqno_info(m
, ring
);
414 mutex_unlock(&dev
->struct_mutex
);
420 static int i915_interrupt_info(struct seq_file
*m
, void *data
)
422 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
423 struct drm_device
*dev
= node
->minor
->dev
;
424 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
425 struct intel_ring_buffer
*ring
;
428 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
432 if (IS_VALLEYVIEW(dev
)) {
433 seq_printf(m
, "Display IER:\t%08x\n",
435 seq_printf(m
, "Display IIR:\t%08x\n",
437 seq_printf(m
, "Display IIR_RW:\t%08x\n",
438 I915_READ(VLV_IIR_RW
));
439 seq_printf(m
, "Display IMR:\t%08x\n",
442 seq_printf(m
, "Pipe %c stat:\t%08x\n",
444 I915_READ(PIPESTAT(pipe
)));
446 seq_printf(m
, "Master IER:\t%08x\n",
447 I915_READ(VLV_MASTER_IER
));
449 seq_printf(m
, "Render IER:\t%08x\n",
451 seq_printf(m
, "Render IIR:\t%08x\n",
453 seq_printf(m
, "Render IMR:\t%08x\n",
456 seq_printf(m
, "PM IER:\t\t%08x\n",
457 I915_READ(GEN6_PMIER
));
458 seq_printf(m
, "PM IIR:\t\t%08x\n",
459 I915_READ(GEN6_PMIIR
));
460 seq_printf(m
, "PM IMR:\t\t%08x\n",
461 I915_READ(GEN6_PMIMR
));
463 seq_printf(m
, "Port hotplug:\t%08x\n",
464 I915_READ(PORT_HOTPLUG_EN
));
465 seq_printf(m
, "DPFLIPSTAT:\t%08x\n",
466 I915_READ(VLV_DPFLIPSTAT
));
467 seq_printf(m
, "DPINVGTT:\t%08x\n",
468 I915_READ(DPINVGTT
));
470 } else if (!HAS_PCH_SPLIT(dev
)) {
471 seq_printf(m
, "Interrupt enable: %08x\n",
473 seq_printf(m
, "Interrupt identity: %08x\n",
475 seq_printf(m
, "Interrupt mask: %08x\n",
478 seq_printf(m
, "Pipe %c stat: %08x\n",
480 I915_READ(PIPESTAT(pipe
)));
482 seq_printf(m
, "North Display Interrupt enable: %08x\n",
484 seq_printf(m
, "North Display Interrupt identity: %08x\n",
486 seq_printf(m
, "North Display Interrupt mask: %08x\n",
488 seq_printf(m
, "South Display Interrupt enable: %08x\n",
490 seq_printf(m
, "South Display Interrupt identity: %08x\n",
492 seq_printf(m
, "South Display Interrupt mask: %08x\n",
494 seq_printf(m
, "Graphics Interrupt enable: %08x\n",
496 seq_printf(m
, "Graphics Interrupt identity: %08x\n",
498 seq_printf(m
, "Graphics Interrupt mask: %08x\n",
501 seq_printf(m
, "Interrupts received: %d\n",
502 atomic_read(&dev_priv
->irq_received
));
503 for_each_ring(ring
, dev_priv
, i
) {
504 if (IS_GEN6(dev
) || IS_GEN7(dev
)) {
506 "Graphics Interrupt mask (%s): %08x\n",
507 ring
->name
, I915_READ_IMR(ring
));
509 i915_ring_seqno_info(m
, ring
);
511 mutex_unlock(&dev
->struct_mutex
);
516 static int i915_gem_fence_regs_info(struct seq_file
*m
, void *data
)
518 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
519 struct drm_device
*dev
= node
->minor
->dev
;
520 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
523 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
527 seq_printf(m
, "Reserved fences = %d\n", dev_priv
->fence_reg_start
);
528 seq_printf(m
, "Total fences = %d\n", dev_priv
->num_fence_regs
);
529 for (i
= 0; i
< dev_priv
->num_fence_regs
; i
++) {
530 struct drm_i915_gem_object
*obj
= dev_priv
->fence_regs
[i
].obj
;
532 seq_printf(m
, "Fence %d, pin count = %d, object = ",
533 i
, dev_priv
->fence_regs
[i
].pin_count
);
535 seq_printf(m
, "unused");
537 describe_obj(m
, obj
);
541 mutex_unlock(&dev
->struct_mutex
);
545 static int i915_hws_info(struct seq_file
*m
, void *data
)
547 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
548 struct drm_device
*dev
= node
->minor
->dev
;
549 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
550 struct intel_ring_buffer
*ring
;
554 ring
= &dev_priv
->ring
[(uintptr_t)node
->info_ent
->data
];
555 hws
= ring
->status_page
.page_addr
;
559 for (i
= 0; i
< 4096 / sizeof(u32
) / 4; i
+= 4) {
560 seq_printf(m
, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
562 hws
[i
], hws
[i
+ 1], hws
[i
+ 2], hws
[i
+ 3]);
567 static const char *ring_str(int ring
)
570 case RCS
: return "render";
571 case VCS
: return "bsd";
572 case BCS
: return "blt";
577 static const char *pin_flag(int pinned
)
587 static const char *tiling_flag(int tiling
)
591 case I915_TILING_NONE
: return "";
592 case I915_TILING_X
: return " X";
593 case I915_TILING_Y
: return " Y";
597 static const char *dirty_flag(int dirty
)
599 return dirty
? " dirty" : "";
602 static const char *purgeable_flag(int purgeable
)
604 return purgeable
? " purgeable" : "";
607 static void print_error_buffers(struct seq_file
*m
,
609 struct drm_i915_error_buffer
*err
,
612 seq_printf(m
, "%s [%d]:\n", name
, count
);
615 seq_printf(m
, " %08x %8u %02x %02x %x %x%s%s%s%s%s%s%s",
620 err
->rseqno
, err
->wseqno
,
621 pin_flag(err
->pinned
),
622 tiling_flag(err
->tiling
),
623 dirty_flag(err
->dirty
),
624 purgeable_flag(err
->purgeable
),
625 err
->ring
!= -1 ? " " : "",
627 cache_level_str(err
->cache_level
));
630 seq_printf(m
, " (name: %d)", err
->name
);
631 if (err
->fence_reg
!= I915_FENCE_REG_NONE
)
632 seq_printf(m
, " (fence: %d)", err
->fence_reg
);
639 static void i915_ring_error_state(struct seq_file
*m
,
640 struct drm_device
*dev
,
641 struct drm_i915_error_state
*error
,
644 BUG_ON(ring
>= I915_NUM_RINGS
); /* shut up confused gcc */
645 seq_printf(m
, "%s command stream:\n", ring_str(ring
));
646 seq_printf(m
, " HEAD: 0x%08x\n", error
->head
[ring
]);
647 seq_printf(m
, " TAIL: 0x%08x\n", error
->tail
[ring
]);
648 seq_printf(m
, " CTL: 0x%08x\n", error
->ctl
[ring
]);
649 seq_printf(m
, " ACTHD: 0x%08x\n", error
->acthd
[ring
]);
650 seq_printf(m
, " IPEIR: 0x%08x\n", error
->ipeir
[ring
]);
651 seq_printf(m
, " IPEHR: 0x%08x\n", error
->ipehr
[ring
]);
652 seq_printf(m
, " INSTDONE: 0x%08x\n", error
->instdone
[ring
]);
653 if (ring
== RCS
&& INTEL_INFO(dev
)->gen
>= 4)
654 seq_printf(m
, " BBADDR: 0x%08llx\n", error
->bbaddr
);
656 if (INTEL_INFO(dev
)->gen
>= 4)
657 seq_printf(m
, " INSTPS: 0x%08x\n", error
->instps
[ring
]);
658 seq_printf(m
, " INSTPM: 0x%08x\n", error
->instpm
[ring
]);
659 seq_printf(m
, " FADDR: 0x%08x\n", error
->faddr
[ring
]);
660 if (INTEL_INFO(dev
)->gen
>= 6) {
661 seq_printf(m
, " RC PSMI: 0x%08x\n", error
->rc_psmi
[ring
]);
662 seq_printf(m
, " FAULT_REG: 0x%08x\n", error
->fault_reg
[ring
]);
663 seq_printf(m
, " SYNC_0: 0x%08x [last synced 0x%08x]\n",
664 error
->semaphore_mboxes
[ring
][0],
665 error
->semaphore_seqno
[ring
][0]);
666 seq_printf(m
, " SYNC_1: 0x%08x [last synced 0x%08x]\n",
667 error
->semaphore_mboxes
[ring
][1],
668 error
->semaphore_seqno
[ring
][1]);
670 seq_printf(m
, " seqno: 0x%08x\n", error
->seqno
[ring
]);
671 seq_printf(m
, " waiting: %s\n", yesno(error
->waiting
[ring
]));
672 seq_printf(m
, " ring->head: 0x%08x\n", error
->cpu_ring_head
[ring
]);
673 seq_printf(m
, " ring->tail: 0x%08x\n", error
->cpu_ring_tail
[ring
]);
676 struct i915_error_state_file_priv
{
677 struct drm_device
*dev
;
678 struct drm_i915_error_state
*error
;
681 static int i915_error_state(struct seq_file
*m
, void *unused
)
683 struct i915_error_state_file_priv
*error_priv
= m
->private;
684 struct drm_device
*dev
= error_priv
->dev
;
685 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
686 struct drm_i915_error_state
*error
= error_priv
->error
;
687 struct intel_ring_buffer
*ring
;
688 int i
, j
, page
, offset
, elt
;
691 seq_printf(m
, "no error state collected\n");
695 seq_printf(m
, "Time: %ld s %ld us\n", error
->time
.tv_sec
,
696 error
->time
.tv_usec
);
697 seq_printf(m
, "Kernel: " UTS_RELEASE
"\n");
698 seq_printf(m
, "PCI ID: 0x%04x\n", dev
->pci_device
);
699 seq_printf(m
, "EIR: 0x%08x\n", error
->eir
);
700 seq_printf(m
, "IER: 0x%08x\n", error
->ier
);
701 seq_printf(m
, "PGTBL_ER: 0x%08x\n", error
->pgtbl_er
);
702 seq_printf(m
, "FORCEWAKE: 0x%08x\n", error
->forcewake
);
703 seq_printf(m
, "DERRMR: 0x%08x\n", error
->derrmr
);
704 seq_printf(m
, "CCID: 0x%08x\n", error
->ccid
);
706 for (i
= 0; i
< dev_priv
->num_fence_regs
; i
++)
707 seq_printf(m
, " fence[%d] = %08llx\n", i
, error
->fence
[i
]);
709 for (i
= 0; i
< ARRAY_SIZE(error
->extra_instdone
); i
++)
710 seq_printf(m
, " INSTDONE_%d: 0x%08x\n", i
, error
->extra_instdone
[i
]);
712 if (INTEL_INFO(dev
)->gen
>= 6) {
713 seq_printf(m
, "ERROR: 0x%08x\n", error
->error
);
714 seq_printf(m
, "DONE_REG: 0x%08x\n", error
->done_reg
);
717 if (INTEL_INFO(dev
)->gen
== 7)
718 seq_printf(m
, "ERR_INT: 0x%08x\n", error
->err_int
);
720 for_each_ring(ring
, dev_priv
, i
)
721 i915_ring_error_state(m
, dev
, error
, i
);
723 if (error
->active_bo
)
724 print_error_buffers(m
, "Active",
726 error
->active_bo_count
);
728 if (error
->pinned_bo
)
729 print_error_buffers(m
, "Pinned",
731 error
->pinned_bo_count
);
733 for (i
= 0; i
< ARRAY_SIZE(error
->ring
); i
++) {
734 struct drm_i915_error_object
*obj
;
736 if ((obj
= error
->ring
[i
].batchbuffer
)) {
737 seq_printf(m
, "%s --- gtt_offset = 0x%08x\n",
738 dev_priv
->ring
[i
].name
,
741 for (page
= 0; page
< obj
->page_count
; page
++) {
742 for (elt
= 0; elt
< PAGE_SIZE
/4; elt
++) {
743 seq_printf(m
, "%08x : %08x\n", offset
, obj
->pages
[page
][elt
]);
749 if (error
->ring
[i
].num_requests
) {
750 seq_printf(m
, "%s --- %d requests\n",
751 dev_priv
->ring
[i
].name
,
752 error
->ring
[i
].num_requests
);
753 for (j
= 0; j
< error
->ring
[i
].num_requests
; j
++) {
754 seq_printf(m
, " seqno 0x%08x, emitted %ld, tail 0x%08x\n",
755 error
->ring
[i
].requests
[j
].seqno
,
756 error
->ring
[i
].requests
[j
].jiffies
,
757 error
->ring
[i
].requests
[j
].tail
);
761 if ((obj
= error
->ring
[i
].ringbuffer
)) {
762 seq_printf(m
, "%s --- ringbuffer = 0x%08x\n",
763 dev_priv
->ring
[i
].name
,
766 for (page
= 0; page
< obj
->page_count
; page
++) {
767 for (elt
= 0; elt
< PAGE_SIZE
/4; elt
++) {
768 seq_printf(m
, "%08x : %08x\n",
770 obj
->pages
[page
][elt
]);
778 intel_overlay_print_error_state(m
, error
->overlay
);
781 intel_display_print_error_state(m
, dev
, error
->display
);
787 i915_error_state_write(struct file
*filp
,
788 const char __user
*ubuf
,
792 struct seq_file
*m
= filp
->private_data
;
793 struct i915_error_state_file_priv
*error_priv
= m
->private;
794 struct drm_device
*dev
= error_priv
->dev
;
797 DRM_DEBUG_DRIVER("Resetting error state\n");
799 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
803 i915_destroy_error_state(dev
);
804 mutex_unlock(&dev
->struct_mutex
);
809 static int i915_error_state_open(struct inode
*inode
, struct file
*file
)
811 struct drm_device
*dev
= inode
->i_private
;
812 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
813 struct i915_error_state_file_priv
*error_priv
;
816 error_priv
= kzalloc(sizeof(*error_priv
), GFP_KERNEL
);
820 error_priv
->dev
= dev
;
822 spin_lock_irqsave(&dev_priv
->gpu_error
.lock
, flags
);
823 error_priv
->error
= dev_priv
->gpu_error
.first_error
;
824 if (error_priv
->error
)
825 kref_get(&error_priv
->error
->ref
);
826 spin_unlock_irqrestore(&dev_priv
->gpu_error
.lock
, flags
);
828 return single_open(file
, i915_error_state
, error_priv
);
831 static int i915_error_state_release(struct inode
*inode
, struct file
*file
)
833 struct seq_file
*m
= file
->private_data
;
834 struct i915_error_state_file_priv
*error_priv
= m
->private;
836 if (error_priv
->error
)
837 kref_put(&error_priv
->error
->ref
, i915_error_state_free
);
840 return single_release(inode
, file
);
843 static const struct file_operations i915_error_state_fops
= {
844 .owner
= THIS_MODULE
,
845 .open
= i915_error_state_open
,
847 .write
= i915_error_state_write
,
848 .llseek
= default_llseek
,
849 .release
= i915_error_state_release
,
853 i915_next_seqno_read(struct file
*filp
,
858 struct drm_device
*dev
= filp
->private_data
;
859 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
864 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
868 len
= snprintf(buf
, sizeof(buf
),
869 "next_seqno : 0x%x\n",
870 dev_priv
->next_seqno
);
872 mutex_unlock(&dev
->struct_mutex
);
874 if (len
> sizeof(buf
))
877 return simple_read_from_buffer(ubuf
, max
, ppos
, buf
, len
);
881 i915_next_seqno_write(struct file
*filp
,
882 const char __user
*ubuf
,
886 struct drm_device
*dev
= filp
->private_data
;
892 if (cnt
> sizeof(buf
) - 1)
895 if (copy_from_user(buf
, ubuf
, cnt
))
899 ret
= kstrtouint(buf
, 0, &val
);
904 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
908 ret
= i915_gem_set_seqno(dev
, val
);
910 mutex_unlock(&dev
->struct_mutex
);
915 static const struct file_operations i915_next_seqno_fops
= {
916 .owner
= THIS_MODULE
,
918 .read
= i915_next_seqno_read
,
919 .write
= i915_next_seqno_write
,
920 .llseek
= default_llseek
,
923 static int i915_rstdby_delays(struct seq_file
*m
, void *unused
)
925 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
926 struct drm_device
*dev
= node
->minor
->dev
;
927 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
931 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
935 crstanddelay
= I915_READ16(CRSTANDVID
);
937 mutex_unlock(&dev
->struct_mutex
);
939 seq_printf(m
, "w/ctx: %d, w/o ctx: %d\n", (crstanddelay
>> 8) & 0x3f, (crstanddelay
& 0x3f));
944 static int i915_cur_delayinfo(struct seq_file
*m
, void *unused
)
946 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
947 struct drm_device
*dev
= node
->minor
->dev
;
948 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
952 u16 rgvswctl
= I915_READ16(MEMSWCTL
);
953 u16 rgvstat
= I915_READ16(MEMSTAT_ILK
);
955 seq_printf(m
, "Requested P-state: %d\n", (rgvswctl
>> 8) & 0xf);
956 seq_printf(m
, "Requested VID: %d\n", rgvswctl
& 0x3f);
957 seq_printf(m
, "Current VID: %d\n", (rgvstat
& MEMSTAT_VID_MASK
) >>
959 seq_printf(m
, "Current P-state: %d\n",
960 (rgvstat
& MEMSTAT_PSTATE_MASK
) >> MEMSTAT_PSTATE_SHIFT
);
961 } else if (IS_GEN6(dev
) || IS_GEN7(dev
)) {
962 u32 gt_perf_status
= I915_READ(GEN6_GT_PERF_STATUS
);
963 u32 rp_state_limits
= I915_READ(GEN6_RP_STATE_LIMITS
);
964 u32 rp_state_cap
= I915_READ(GEN6_RP_STATE_CAP
);
966 u32 rpupei
, rpcurup
, rpprevup
;
967 u32 rpdownei
, rpcurdown
, rpprevdown
;
970 /* RPSTAT1 is in the GT power well */
971 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
975 gen6_gt_force_wake_get(dev_priv
);
977 rpstat
= I915_READ(GEN6_RPSTAT1
);
978 rpupei
= I915_READ(GEN6_RP_CUR_UP_EI
);
979 rpcurup
= I915_READ(GEN6_RP_CUR_UP
);
980 rpprevup
= I915_READ(GEN6_RP_PREV_UP
);
981 rpdownei
= I915_READ(GEN6_RP_CUR_DOWN_EI
);
982 rpcurdown
= I915_READ(GEN6_RP_CUR_DOWN
);
983 rpprevdown
= I915_READ(GEN6_RP_PREV_DOWN
);
985 cagf
= (rpstat
& HSW_CAGF_MASK
) >> HSW_CAGF_SHIFT
;
987 cagf
= (rpstat
& GEN6_CAGF_MASK
) >> GEN6_CAGF_SHIFT
;
988 cagf
*= GT_FREQUENCY_MULTIPLIER
;
990 gen6_gt_force_wake_put(dev_priv
);
991 mutex_unlock(&dev
->struct_mutex
);
993 seq_printf(m
, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status
);
994 seq_printf(m
, "RPSTAT1: 0x%08x\n", rpstat
);
995 seq_printf(m
, "Render p-state ratio: %d\n",
996 (gt_perf_status
& 0xff00) >> 8);
997 seq_printf(m
, "Render p-state VID: %d\n",
998 gt_perf_status
& 0xff);
999 seq_printf(m
, "Render p-state limit: %d\n",
1000 rp_state_limits
& 0xff);
1001 seq_printf(m
, "CAGF: %dMHz\n", cagf
);
1002 seq_printf(m
, "RP CUR UP EI: %dus\n", rpupei
&
1003 GEN6_CURICONT_MASK
);
1004 seq_printf(m
, "RP CUR UP: %dus\n", rpcurup
&
1005 GEN6_CURBSYTAVG_MASK
);
1006 seq_printf(m
, "RP PREV UP: %dus\n", rpprevup
&
1007 GEN6_CURBSYTAVG_MASK
);
1008 seq_printf(m
, "RP CUR DOWN EI: %dus\n", rpdownei
&
1010 seq_printf(m
, "RP CUR DOWN: %dus\n", rpcurdown
&
1011 GEN6_CURBSYTAVG_MASK
);
1012 seq_printf(m
, "RP PREV DOWN: %dus\n", rpprevdown
&
1013 GEN6_CURBSYTAVG_MASK
);
1015 max_freq
= (rp_state_cap
& 0xff0000) >> 16;
1016 seq_printf(m
, "Lowest (RPN) frequency: %dMHz\n",
1017 max_freq
* GT_FREQUENCY_MULTIPLIER
);
1019 max_freq
= (rp_state_cap
& 0xff00) >> 8;
1020 seq_printf(m
, "Nominal (RP1) frequency: %dMHz\n",
1021 max_freq
* GT_FREQUENCY_MULTIPLIER
);
1023 max_freq
= rp_state_cap
& 0xff;
1024 seq_printf(m
, "Max non-overclocked (RP0) frequency: %dMHz\n",
1025 max_freq
* GT_FREQUENCY_MULTIPLIER
);
1027 seq_printf(m
, "no P-state info available\n");
1033 static int i915_delayfreq_table(struct seq_file
*m
, void *unused
)
1035 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1036 struct drm_device
*dev
= node
->minor
->dev
;
1037 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1041 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1045 for (i
= 0; i
< 16; i
++) {
1046 delayfreq
= I915_READ(PXVFREQ_BASE
+ i
* 4);
1047 seq_printf(m
, "P%02dVIDFREQ: 0x%08x (VID: %d)\n", i
, delayfreq
,
1048 (delayfreq
& PXVFREQ_PX_MASK
) >> PXVFREQ_PX_SHIFT
);
1051 mutex_unlock(&dev
->struct_mutex
);
1056 static inline int MAP_TO_MV(int map
)
1058 return 1250 - (map
* 25);
1061 static int i915_inttoext_table(struct seq_file
*m
, void *unused
)
1063 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1064 struct drm_device
*dev
= node
->minor
->dev
;
1065 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1069 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1073 for (i
= 1; i
<= 32; i
++) {
1074 inttoext
= I915_READ(INTTOEXT_BASE_ILK
+ i
* 4);
1075 seq_printf(m
, "INTTOEXT%02d: 0x%08x\n", i
, inttoext
);
1078 mutex_unlock(&dev
->struct_mutex
);
1083 static int ironlake_drpc_info(struct seq_file
*m
)
1085 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1086 struct drm_device
*dev
= node
->minor
->dev
;
1087 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1088 u32 rgvmodectl
, rstdbyctl
;
1092 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1096 rgvmodectl
= I915_READ(MEMMODECTL
);
1097 rstdbyctl
= I915_READ(RSTDBYCTL
);
1098 crstandvid
= I915_READ16(CRSTANDVID
);
1100 mutex_unlock(&dev
->struct_mutex
);
1102 seq_printf(m
, "HD boost: %s\n", (rgvmodectl
& MEMMODE_BOOST_EN
) ?
1104 seq_printf(m
, "Boost freq: %d\n",
1105 (rgvmodectl
& MEMMODE_BOOST_FREQ_MASK
) >>
1106 MEMMODE_BOOST_FREQ_SHIFT
);
1107 seq_printf(m
, "HW control enabled: %s\n",
1108 rgvmodectl
& MEMMODE_HWIDLE_EN
? "yes" : "no");
1109 seq_printf(m
, "SW control enabled: %s\n",
1110 rgvmodectl
& MEMMODE_SWMODE_EN
? "yes" : "no");
1111 seq_printf(m
, "Gated voltage change: %s\n",
1112 rgvmodectl
& MEMMODE_RCLK_GATE
? "yes" : "no");
1113 seq_printf(m
, "Starting frequency: P%d\n",
1114 (rgvmodectl
& MEMMODE_FSTART_MASK
) >> MEMMODE_FSTART_SHIFT
);
1115 seq_printf(m
, "Max P-state: P%d\n",
1116 (rgvmodectl
& MEMMODE_FMAX_MASK
) >> MEMMODE_FMAX_SHIFT
);
1117 seq_printf(m
, "Min P-state: P%d\n", (rgvmodectl
& MEMMODE_FMIN_MASK
));
1118 seq_printf(m
, "RS1 VID: %d\n", (crstandvid
& 0x3f));
1119 seq_printf(m
, "RS2 VID: %d\n", ((crstandvid
>> 8) & 0x3f));
1120 seq_printf(m
, "Render standby enabled: %s\n",
1121 (rstdbyctl
& RCX_SW_EXIT
) ? "no" : "yes");
1122 seq_printf(m
, "Current RS state: ");
1123 switch (rstdbyctl
& RSX_STATUS_MASK
) {
1125 seq_printf(m
, "on\n");
1127 case RSX_STATUS_RC1
:
1128 seq_printf(m
, "RC1\n");
1130 case RSX_STATUS_RC1E
:
1131 seq_printf(m
, "RC1E\n");
1133 case RSX_STATUS_RS1
:
1134 seq_printf(m
, "RS1\n");
1136 case RSX_STATUS_RS2
:
1137 seq_printf(m
, "RS2 (RC6)\n");
1139 case RSX_STATUS_RS3
:
1140 seq_printf(m
, "RC3 (RC6+)\n");
1143 seq_printf(m
, "unknown\n");
1150 static int gen6_drpc_info(struct seq_file
*m
)
1153 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1154 struct drm_device
*dev
= node
->minor
->dev
;
1155 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1156 u32 rpmodectl1
, gt_core_status
, rcctl1
, rc6vids
= 0;
1157 unsigned forcewake_count
;
1161 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1165 spin_lock_irq(&dev_priv
->gt_lock
);
1166 forcewake_count
= dev_priv
->forcewake_count
;
1167 spin_unlock_irq(&dev_priv
->gt_lock
);
1169 if (forcewake_count
) {
1170 seq_printf(m
, "RC information inaccurate because somebody "
1171 "holds a forcewake reference \n");
1173 /* NB: we cannot use forcewake, else we read the wrong values */
1174 while (count
++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_ACK
) & 1))
1176 seq_printf(m
, "RC information accurate: %s\n", yesno(count
< 51));
1179 gt_core_status
= readl(dev_priv
->regs
+ GEN6_GT_CORE_STATUS
);
1180 trace_i915_reg_rw(false, GEN6_GT_CORE_STATUS
, gt_core_status
, 4);
1182 rpmodectl1
= I915_READ(GEN6_RP_CONTROL
);
1183 rcctl1
= I915_READ(GEN6_RC_CONTROL
);
1184 mutex_unlock(&dev
->struct_mutex
);
1185 mutex_lock(&dev_priv
->rps
.hw_lock
);
1186 sandybridge_pcode_read(dev_priv
, GEN6_PCODE_READ_RC6VIDS
, &rc6vids
);
1187 mutex_unlock(&dev_priv
->rps
.hw_lock
);
1189 seq_printf(m
, "Video Turbo Mode: %s\n",
1190 yesno(rpmodectl1
& GEN6_RP_MEDIA_TURBO
));
1191 seq_printf(m
, "HW control enabled: %s\n",
1192 yesno(rpmodectl1
& GEN6_RP_ENABLE
));
1193 seq_printf(m
, "SW control enabled: %s\n",
1194 yesno((rpmodectl1
& GEN6_RP_MEDIA_MODE_MASK
) ==
1195 GEN6_RP_MEDIA_SW_MODE
));
1196 seq_printf(m
, "RC1e Enabled: %s\n",
1197 yesno(rcctl1
& GEN6_RC_CTL_RC1e_ENABLE
));
1198 seq_printf(m
, "RC6 Enabled: %s\n",
1199 yesno(rcctl1
& GEN6_RC_CTL_RC6_ENABLE
));
1200 seq_printf(m
, "Deep RC6 Enabled: %s\n",
1201 yesno(rcctl1
& GEN6_RC_CTL_RC6p_ENABLE
));
1202 seq_printf(m
, "Deepest RC6 Enabled: %s\n",
1203 yesno(rcctl1
& GEN6_RC_CTL_RC6pp_ENABLE
));
1204 seq_printf(m
, "Current RC state: ");
1205 switch (gt_core_status
& GEN6_RCn_MASK
) {
1207 if (gt_core_status
& GEN6_CORE_CPD_STATE_MASK
)
1208 seq_printf(m
, "Core Power Down\n");
1210 seq_printf(m
, "on\n");
1213 seq_printf(m
, "RC3\n");
1216 seq_printf(m
, "RC6\n");
1219 seq_printf(m
, "RC7\n");
1222 seq_printf(m
, "Unknown\n");
1226 seq_printf(m
, "Core Power Down: %s\n",
1227 yesno(gt_core_status
& GEN6_CORE_CPD_STATE_MASK
));
1229 /* Not exactly sure what this is */
1230 seq_printf(m
, "RC6 \"Locked to RPn\" residency since boot: %u\n",
1231 I915_READ(GEN6_GT_GFX_RC6_LOCKED
));
1232 seq_printf(m
, "RC6 residency since boot: %u\n",
1233 I915_READ(GEN6_GT_GFX_RC6
));
1234 seq_printf(m
, "RC6+ residency since boot: %u\n",
1235 I915_READ(GEN6_GT_GFX_RC6p
));
1236 seq_printf(m
, "RC6++ residency since boot: %u\n",
1237 I915_READ(GEN6_GT_GFX_RC6pp
));
1239 seq_printf(m
, "RC6 voltage: %dmV\n",
1240 GEN6_DECODE_RC6_VID(((rc6vids
>> 0) & 0xff)));
1241 seq_printf(m
, "RC6+ voltage: %dmV\n",
1242 GEN6_DECODE_RC6_VID(((rc6vids
>> 8) & 0xff)));
1243 seq_printf(m
, "RC6++ voltage: %dmV\n",
1244 GEN6_DECODE_RC6_VID(((rc6vids
>> 16) & 0xff)));
1248 static int i915_drpc_info(struct seq_file
*m
, void *unused
)
1250 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1251 struct drm_device
*dev
= node
->minor
->dev
;
1253 if (IS_GEN6(dev
) || IS_GEN7(dev
))
1254 return gen6_drpc_info(m
);
1256 return ironlake_drpc_info(m
);
1259 static int i915_fbc_status(struct seq_file
*m
, void *unused
)
1261 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1262 struct drm_device
*dev
= node
->minor
->dev
;
1263 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1265 if (!I915_HAS_FBC(dev
)) {
1266 seq_printf(m
, "FBC unsupported on this chipset\n");
1270 if (intel_fbc_enabled(dev
)) {
1271 seq_printf(m
, "FBC enabled\n");
1273 seq_printf(m
, "FBC disabled: ");
1274 switch (dev_priv
->no_fbc_reason
) {
1276 seq_printf(m
, "no outputs");
1278 case FBC_STOLEN_TOO_SMALL
:
1279 seq_printf(m
, "not enough stolen memory");
1281 case FBC_UNSUPPORTED_MODE
:
1282 seq_printf(m
, "mode not supported");
1284 case FBC_MODE_TOO_LARGE
:
1285 seq_printf(m
, "mode too large");
1288 seq_printf(m
, "FBC unsupported on plane");
1291 seq_printf(m
, "scanout buffer not tiled");
1293 case FBC_MULTIPLE_PIPES
:
1294 seq_printf(m
, "multiple pipes are enabled");
1296 case FBC_MODULE_PARAM
:
1297 seq_printf(m
, "disabled per module param (default off)");
1300 seq_printf(m
, "unknown reason");
1302 seq_printf(m
, "\n");
1307 static int i915_sr_status(struct seq_file
*m
, void *unused
)
1309 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1310 struct drm_device
*dev
= node
->minor
->dev
;
1311 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1312 bool sr_enabled
= false;
1314 if (HAS_PCH_SPLIT(dev
))
1315 sr_enabled
= I915_READ(WM1_LP_ILK
) & WM1_LP_SR_EN
;
1316 else if (IS_CRESTLINE(dev
) || IS_I945G(dev
) || IS_I945GM(dev
))
1317 sr_enabled
= I915_READ(FW_BLC_SELF
) & FW_BLC_SELF_EN
;
1318 else if (IS_I915GM(dev
))
1319 sr_enabled
= I915_READ(INSTPM
) & INSTPM_SELF_EN
;
1320 else if (IS_PINEVIEW(dev
))
1321 sr_enabled
= I915_READ(DSPFW3
) & PINEVIEW_SELF_REFRESH_EN
;
1323 seq_printf(m
, "self-refresh: %s\n",
1324 sr_enabled
? "enabled" : "disabled");
1329 static int i915_emon_status(struct seq_file
*m
, void *unused
)
1331 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1332 struct drm_device
*dev
= node
->minor
->dev
;
1333 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1334 unsigned long temp
, chipset
, gfx
;
1340 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1344 temp
= i915_mch_val(dev_priv
);
1345 chipset
= i915_chipset_val(dev_priv
);
1346 gfx
= i915_gfx_val(dev_priv
);
1347 mutex_unlock(&dev
->struct_mutex
);
1349 seq_printf(m
, "GMCH temp: %ld\n", temp
);
1350 seq_printf(m
, "Chipset power: %ld\n", chipset
);
1351 seq_printf(m
, "GFX power: %ld\n", gfx
);
1352 seq_printf(m
, "Total power: %ld\n", chipset
+ gfx
);
1357 static int i915_ring_freq_table(struct seq_file
*m
, void *unused
)
1359 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1360 struct drm_device
*dev
= node
->minor
->dev
;
1361 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1363 int gpu_freq
, ia_freq
;
1365 if (!(IS_GEN6(dev
) || IS_GEN7(dev
))) {
1366 seq_printf(m
, "unsupported on this chipset\n");
1370 ret
= mutex_lock_interruptible(&dev_priv
->rps
.hw_lock
);
1374 seq_printf(m
, "GPU freq (MHz)\tEffective CPU freq (MHz)\n");
1376 for (gpu_freq
= dev_priv
->rps
.min_delay
;
1377 gpu_freq
<= dev_priv
->rps
.max_delay
;
1380 sandybridge_pcode_read(dev_priv
,
1381 GEN6_PCODE_READ_MIN_FREQ_TABLE
,
1383 seq_printf(m
, "%d\t\t%d\n", gpu_freq
* GT_FREQUENCY_MULTIPLIER
, ia_freq
* 100);
1386 mutex_unlock(&dev_priv
->rps
.hw_lock
);
1391 static int i915_gfxec(struct seq_file
*m
, void *unused
)
1393 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1394 struct drm_device
*dev
= node
->minor
->dev
;
1395 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1398 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1402 seq_printf(m
, "GFXEC: %ld\n", (unsigned long)I915_READ(0x112f4));
1404 mutex_unlock(&dev
->struct_mutex
);
1409 static int i915_opregion(struct seq_file
*m
, void *unused
)
1411 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1412 struct drm_device
*dev
= node
->minor
->dev
;
1413 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1414 struct intel_opregion
*opregion
= &dev_priv
->opregion
;
1415 void *data
= kmalloc(OPREGION_SIZE
, GFP_KERNEL
);
1421 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1425 if (opregion
->header
) {
1426 memcpy_fromio(data
, opregion
->header
, OPREGION_SIZE
);
1427 seq_write(m
, data
, OPREGION_SIZE
);
1430 mutex_unlock(&dev
->struct_mutex
);
1437 static int i915_gem_framebuffer_info(struct seq_file
*m
, void *data
)
1439 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1440 struct drm_device
*dev
= node
->minor
->dev
;
1441 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1442 struct intel_fbdev
*ifbdev
;
1443 struct intel_framebuffer
*fb
;
1446 ret
= mutex_lock_interruptible(&dev
->mode_config
.mutex
);
1450 ifbdev
= dev_priv
->fbdev
;
1451 fb
= to_intel_framebuffer(ifbdev
->helper
.fb
);
1453 seq_printf(m
, "fbcon size: %d x %d, depth %d, %d bpp, refcount %d, obj ",
1457 fb
->base
.bits_per_pixel
,
1458 atomic_read(&fb
->base
.refcount
.refcount
));
1459 describe_obj(m
, fb
->obj
);
1460 seq_printf(m
, "\n");
1461 mutex_unlock(&dev
->mode_config
.mutex
);
1463 mutex_lock(&dev
->mode_config
.fb_lock
);
1464 list_for_each_entry(fb
, &dev
->mode_config
.fb_list
, base
.head
) {
1465 if (&fb
->base
== ifbdev
->helper
.fb
)
1468 seq_printf(m
, "user size: %d x %d, depth %d, %d bpp, refcount %d, obj ",
1472 fb
->base
.bits_per_pixel
,
1473 atomic_read(&fb
->base
.refcount
.refcount
));
1474 describe_obj(m
, fb
->obj
);
1475 seq_printf(m
, "\n");
1477 mutex_unlock(&dev
->mode_config
.fb_lock
);
1482 static int i915_context_status(struct seq_file
*m
, void *unused
)
1484 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1485 struct drm_device
*dev
= node
->minor
->dev
;
1486 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1487 struct intel_ring_buffer
*ring
;
1490 ret
= mutex_lock_interruptible(&dev
->mode_config
.mutex
);
1494 if (dev_priv
->ips
.pwrctx
) {
1495 seq_printf(m
, "power context ");
1496 describe_obj(m
, dev_priv
->ips
.pwrctx
);
1497 seq_printf(m
, "\n");
1500 if (dev_priv
->ips
.renderctx
) {
1501 seq_printf(m
, "render context ");
1502 describe_obj(m
, dev_priv
->ips
.renderctx
);
1503 seq_printf(m
, "\n");
1506 for_each_ring(ring
, dev_priv
, i
) {
1507 if (ring
->default_context
) {
1508 seq_printf(m
, "HW default context %s ring ", ring
->name
);
1509 describe_obj(m
, ring
->default_context
->obj
);
1510 seq_printf(m
, "\n");
1514 mutex_unlock(&dev
->mode_config
.mutex
);
1519 static int i915_gen6_forcewake_count_info(struct seq_file
*m
, void *data
)
1521 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1522 struct drm_device
*dev
= node
->minor
->dev
;
1523 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1524 unsigned forcewake_count
;
1526 spin_lock_irq(&dev_priv
->gt_lock
);
1527 forcewake_count
= dev_priv
->forcewake_count
;
1528 spin_unlock_irq(&dev_priv
->gt_lock
);
1530 seq_printf(m
, "forcewake count = %u\n", forcewake_count
);
1535 static const char *swizzle_string(unsigned swizzle
)
1538 case I915_BIT_6_SWIZZLE_NONE
:
1540 case I915_BIT_6_SWIZZLE_9
:
1542 case I915_BIT_6_SWIZZLE_9_10
:
1543 return "bit9/bit10";
1544 case I915_BIT_6_SWIZZLE_9_11
:
1545 return "bit9/bit11";
1546 case I915_BIT_6_SWIZZLE_9_10_11
:
1547 return "bit9/bit10/bit11";
1548 case I915_BIT_6_SWIZZLE_9_17
:
1549 return "bit9/bit17";
1550 case I915_BIT_6_SWIZZLE_9_10_17
:
1551 return "bit9/bit10/bit17";
1552 case I915_BIT_6_SWIZZLE_UNKNOWN
:
1559 static int i915_swizzle_info(struct seq_file
*m
, void *data
)
1561 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1562 struct drm_device
*dev
= node
->minor
->dev
;
1563 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1566 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1570 seq_printf(m
, "bit6 swizzle for X-tiling = %s\n",
1571 swizzle_string(dev_priv
->mm
.bit_6_swizzle_x
));
1572 seq_printf(m
, "bit6 swizzle for Y-tiling = %s\n",
1573 swizzle_string(dev_priv
->mm
.bit_6_swizzle_y
));
1575 if (IS_GEN3(dev
) || IS_GEN4(dev
)) {
1576 seq_printf(m
, "DDC = 0x%08x\n",
1578 seq_printf(m
, "C0DRB3 = 0x%04x\n",
1579 I915_READ16(C0DRB3
));
1580 seq_printf(m
, "C1DRB3 = 0x%04x\n",
1581 I915_READ16(C1DRB3
));
1582 } else if (IS_GEN6(dev
) || IS_GEN7(dev
)) {
1583 seq_printf(m
, "MAD_DIMM_C0 = 0x%08x\n",
1584 I915_READ(MAD_DIMM_C0
));
1585 seq_printf(m
, "MAD_DIMM_C1 = 0x%08x\n",
1586 I915_READ(MAD_DIMM_C1
));
1587 seq_printf(m
, "MAD_DIMM_C2 = 0x%08x\n",
1588 I915_READ(MAD_DIMM_C2
));
1589 seq_printf(m
, "TILECTL = 0x%08x\n",
1590 I915_READ(TILECTL
));
1591 seq_printf(m
, "ARB_MODE = 0x%08x\n",
1592 I915_READ(ARB_MODE
));
1593 seq_printf(m
, "DISP_ARB_CTL = 0x%08x\n",
1594 I915_READ(DISP_ARB_CTL
));
1596 mutex_unlock(&dev
->struct_mutex
);
1601 static int i915_ppgtt_info(struct seq_file
*m
, void *data
)
1603 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1604 struct drm_device
*dev
= node
->minor
->dev
;
1605 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1606 struct intel_ring_buffer
*ring
;
1610 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1613 if (INTEL_INFO(dev
)->gen
== 6)
1614 seq_printf(m
, "GFX_MODE: 0x%08x\n", I915_READ(GFX_MODE
));
1616 for_each_ring(ring
, dev_priv
, i
) {
1617 seq_printf(m
, "%s\n", ring
->name
);
1618 if (INTEL_INFO(dev
)->gen
== 7)
1619 seq_printf(m
, "GFX_MODE: 0x%08x\n", I915_READ(RING_MODE_GEN7(ring
)));
1620 seq_printf(m
, "PP_DIR_BASE: 0x%08x\n", I915_READ(RING_PP_DIR_BASE(ring
)));
1621 seq_printf(m
, "PP_DIR_BASE_READ: 0x%08x\n", I915_READ(RING_PP_DIR_BASE_READ(ring
)));
1622 seq_printf(m
, "PP_DIR_DCLV: 0x%08x\n", I915_READ(RING_PP_DIR_DCLV(ring
)));
1624 if (dev_priv
->mm
.aliasing_ppgtt
) {
1625 struct i915_hw_ppgtt
*ppgtt
= dev_priv
->mm
.aliasing_ppgtt
;
1627 seq_printf(m
, "aliasing PPGTT:\n");
1628 seq_printf(m
, "pd gtt offset: 0x%08x\n", ppgtt
->pd_offset
);
1630 seq_printf(m
, "ECOCHK: 0x%08x\n", I915_READ(GAM_ECOCHK
));
1631 mutex_unlock(&dev
->struct_mutex
);
1636 static int i915_dpio_info(struct seq_file
*m
, void *data
)
1638 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1639 struct drm_device
*dev
= node
->minor
->dev
;
1640 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1644 if (!IS_VALLEYVIEW(dev
)) {
1645 seq_printf(m
, "unsupported\n");
1649 ret
= mutex_lock_interruptible(&dev_priv
->dpio_lock
);
1653 seq_printf(m
, "DPIO_CTL: 0x%08x\n", I915_READ(DPIO_CTL
));
1655 seq_printf(m
, "DPIO_DIV_A: 0x%08x\n",
1656 intel_dpio_read(dev_priv
, _DPIO_DIV_A
));
1657 seq_printf(m
, "DPIO_DIV_B: 0x%08x\n",
1658 intel_dpio_read(dev_priv
, _DPIO_DIV_B
));
1660 seq_printf(m
, "DPIO_REFSFR_A: 0x%08x\n",
1661 intel_dpio_read(dev_priv
, _DPIO_REFSFR_A
));
1662 seq_printf(m
, "DPIO_REFSFR_B: 0x%08x\n",
1663 intel_dpio_read(dev_priv
, _DPIO_REFSFR_B
));
1665 seq_printf(m
, "DPIO_CORE_CLK_A: 0x%08x\n",
1666 intel_dpio_read(dev_priv
, _DPIO_CORE_CLK_A
));
1667 seq_printf(m
, "DPIO_CORE_CLK_B: 0x%08x\n",
1668 intel_dpio_read(dev_priv
, _DPIO_CORE_CLK_B
));
1670 seq_printf(m
, "DPIO_LFP_COEFF_A: 0x%08x\n",
1671 intel_dpio_read(dev_priv
, _DPIO_LFP_COEFF_A
));
1672 seq_printf(m
, "DPIO_LFP_COEFF_B: 0x%08x\n",
1673 intel_dpio_read(dev_priv
, _DPIO_LFP_COEFF_B
));
1675 seq_printf(m
, "DPIO_FASTCLK_DISABLE: 0x%08x\n",
1676 intel_dpio_read(dev_priv
, DPIO_FASTCLK_DISABLE
));
1678 mutex_unlock(&dev_priv
->dpio_lock
);
1684 i915_wedged_read(struct file
*filp
,
1689 struct drm_device
*dev
= filp
->private_data
;
1690 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1694 len
= snprintf(buf
, sizeof(buf
),
1696 atomic_read(&dev_priv
->gpu_error
.reset_counter
));
1698 if (len
> sizeof(buf
))
1701 return simple_read_from_buffer(ubuf
, max
, ppos
, buf
, len
);
1705 i915_wedged_write(struct file
*filp
,
1706 const char __user
*ubuf
,
1710 struct drm_device
*dev
= filp
->private_data
;
1715 if (cnt
> sizeof(buf
) - 1)
1718 if (copy_from_user(buf
, ubuf
, cnt
))
1722 val
= simple_strtoul(buf
, NULL
, 0);
1725 DRM_INFO("Manually setting wedged to %d\n", val
);
1726 i915_handle_error(dev
, val
);
1731 static const struct file_operations i915_wedged_fops
= {
1732 .owner
= THIS_MODULE
,
1733 .open
= simple_open
,
1734 .read
= i915_wedged_read
,
1735 .write
= i915_wedged_write
,
1736 .llseek
= default_llseek
,
1740 i915_ring_stop_read(struct file
*filp
,
1745 struct drm_device
*dev
= filp
->private_data
;
1746 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1750 len
= snprintf(buf
, sizeof(buf
),
1751 "0x%08x\n", dev_priv
->gpu_error
.stop_rings
);
1753 if (len
> sizeof(buf
))
1756 return simple_read_from_buffer(ubuf
, max
, ppos
, buf
, len
);
1760 i915_ring_stop_write(struct file
*filp
,
1761 const char __user
*ubuf
,
1765 struct drm_device
*dev
= filp
->private_data
;
1766 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1771 if (cnt
> sizeof(buf
) - 1)
1774 if (copy_from_user(buf
, ubuf
, cnt
))
1778 val
= simple_strtoul(buf
, NULL
, 0);
1781 DRM_DEBUG_DRIVER("Stopping rings 0x%08x\n", val
);
1783 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1787 dev_priv
->gpu_error
.stop_rings
= val
;
1788 mutex_unlock(&dev
->struct_mutex
);
1793 static const struct file_operations i915_ring_stop_fops
= {
1794 .owner
= THIS_MODULE
,
1795 .open
= simple_open
,
1796 .read
= i915_ring_stop_read
,
1797 .write
= i915_ring_stop_write
,
1798 .llseek
= default_llseek
,
1801 #define DROP_UNBOUND 0x1
1802 #define DROP_BOUND 0x2
1803 #define DROP_RETIRE 0x4
1804 #define DROP_ACTIVE 0x8
1805 #define DROP_ALL (DROP_UNBOUND | \
1810 i915_drop_caches_read(struct file
*filp
,
1818 len
= snprintf(buf
, sizeof(buf
), "0x%08x\n", DROP_ALL
);
1819 if (len
> sizeof(buf
))
1822 return simple_read_from_buffer(ubuf
, max
, ppos
, buf
, len
);
1826 i915_drop_caches_write(struct file
*filp
,
1827 const char __user
*ubuf
,
1831 struct drm_device
*dev
= filp
->private_data
;
1832 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1833 struct drm_i915_gem_object
*obj
, *next
;
1838 if (cnt
> sizeof(buf
) - 1)
1841 if (copy_from_user(buf
, ubuf
, cnt
))
1845 val
= simple_strtoul(buf
, NULL
, 0);
1848 DRM_DEBUG_DRIVER("Dropping caches: 0x%08x\n", val
);
1850 /* No need to check and wait for gpu resets, only libdrm auto-restarts
1851 * on ioctls on -EAGAIN. */
1852 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1856 if (val
& DROP_ACTIVE
) {
1857 ret
= i915_gpu_idle(dev
);
1862 if (val
& (DROP_RETIRE
| DROP_ACTIVE
))
1863 i915_gem_retire_requests(dev
);
1865 if (val
& DROP_BOUND
) {
1866 list_for_each_entry_safe(obj
, next
, &dev_priv
->mm
.inactive_list
, mm_list
)
1867 if (obj
->pin_count
== 0) {
1868 ret
= i915_gem_object_unbind(obj
);
1874 if (val
& DROP_UNBOUND
) {
1875 list_for_each_entry_safe(obj
, next
, &dev_priv
->mm
.unbound_list
, gtt_list
)
1876 if (obj
->pages_pin_count
== 0) {
1877 ret
= i915_gem_object_put_pages(obj
);
1884 mutex_unlock(&dev
->struct_mutex
);
1889 static const struct file_operations i915_drop_caches_fops
= {
1890 .owner
= THIS_MODULE
,
1891 .open
= simple_open
,
1892 .read
= i915_drop_caches_read
,
1893 .write
= i915_drop_caches_write
,
1894 .llseek
= default_llseek
,
1898 i915_max_freq_read(struct file
*filp
,
1903 struct drm_device
*dev
= filp
->private_data
;
1904 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1908 if (!(IS_GEN6(dev
) || IS_GEN7(dev
)))
1911 ret
= mutex_lock_interruptible(&dev_priv
->rps
.hw_lock
);
1915 len
= snprintf(buf
, sizeof(buf
),
1916 "max freq: %d\n", dev_priv
->rps
.max_delay
* GT_FREQUENCY_MULTIPLIER
);
1917 mutex_unlock(&dev_priv
->rps
.hw_lock
);
1919 if (len
> sizeof(buf
))
1922 return simple_read_from_buffer(ubuf
, max
, ppos
, buf
, len
);
1926 i915_max_freq_write(struct file
*filp
,
1927 const char __user
*ubuf
,
1931 struct drm_device
*dev
= filp
->private_data
;
1932 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1936 if (!(IS_GEN6(dev
) || IS_GEN7(dev
)))
1940 if (cnt
> sizeof(buf
) - 1)
1943 if (copy_from_user(buf
, ubuf
, cnt
))
1947 val
= simple_strtoul(buf
, NULL
, 0);
1950 DRM_DEBUG_DRIVER("Manually setting max freq to %d\n", val
);
1952 ret
= mutex_lock_interruptible(&dev_priv
->rps
.hw_lock
);
1957 * Turbo will still be enabled, but won't go above the set value.
1959 dev_priv
->rps
.max_delay
= val
/ GT_FREQUENCY_MULTIPLIER
;
1961 gen6_set_rps(dev
, val
/ GT_FREQUENCY_MULTIPLIER
);
1962 mutex_unlock(&dev_priv
->rps
.hw_lock
);
1967 static const struct file_operations i915_max_freq_fops
= {
1968 .owner
= THIS_MODULE
,
1969 .open
= simple_open
,
1970 .read
= i915_max_freq_read
,
1971 .write
= i915_max_freq_write
,
1972 .llseek
= default_llseek
,
1976 i915_min_freq_read(struct file
*filp
, char __user
*ubuf
, size_t max
,
1979 struct drm_device
*dev
= filp
->private_data
;
1980 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1984 if (!(IS_GEN6(dev
) || IS_GEN7(dev
)))
1987 ret
= mutex_lock_interruptible(&dev_priv
->rps
.hw_lock
);
1991 len
= snprintf(buf
, sizeof(buf
),
1992 "min freq: %d\n", dev_priv
->rps
.min_delay
* GT_FREQUENCY_MULTIPLIER
);
1993 mutex_unlock(&dev_priv
->rps
.hw_lock
);
1995 if (len
> sizeof(buf
))
1998 return simple_read_from_buffer(ubuf
, max
, ppos
, buf
, len
);
2002 i915_min_freq_write(struct file
*filp
, const char __user
*ubuf
, size_t cnt
,
2005 struct drm_device
*dev
= filp
->private_data
;
2006 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2010 if (!(IS_GEN6(dev
) || IS_GEN7(dev
)))
2014 if (cnt
> sizeof(buf
) - 1)
2017 if (copy_from_user(buf
, ubuf
, cnt
))
2021 val
= simple_strtoul(buf
, NULL
, 0);
2024 DRM_DEBUG_DRIVER("Manually setting min freq to %d\n", val
);
2026 ret
= mutex_lock_interruptible(&dev_priv
->rps
.hw_lock
);
2031 * Turbo will still be enabled, but won't go below the set value.
2033 dev_priv
->rps
.min_delay
= val
/ GT_FREQUENCY_MULTIPLIER
;
2035 gen6_set_rps(dev
, val
/ GT_FREQUENCY_MULTIPLIER
);
2036 mutex_unlock(&dev_priv
->rps
.hw_lock
);
2041 static const struct file_operations i915_min_freq_fops
= {
2042 .owner
= THIS_MODULE
,
2043 .open
= simple_open
,
2044 .read
= i915_min_freq_read
,
2045 .write
= i915_min_freq_write
,
2046 .llseek
= default_llseek
,
2050 i915_cache_sharing_read(struct file
*filp
,
2055 struct drm_device
*dev
= filp
->private_data
;
2056 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
2061 if (!(IS_GEN6(dev
) || IS_GEN7(dev
)))
2064 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
2068 snpcr
= I915_READ(GEN6_MBCUNIT_SNPCR
);
2069 mutex_unlock(&dev_priv
->dev
->struct_mutex
);
2071 len
= snprintf(buf
, sizeof(buf
),
2072 "%d\n", (snpcr
& GEN6_MBC_SNPCR_MASK
) >>
2073 GEN6_MBC_SNPCR_SHIFT
);
2075 if (len
> sizeof(buf
))
2078 return simple_read_from_buffer(ubuf
, max
, ppos
, buf
, len
);
2082 i915_cache_sharing_write(struct file
*filp
,
2083 const char __user
*ubuf
,
2087 struct drm_device
*dev
= filp
->private_data
;
2088 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2093 if (!(IS_GEN6(dev
) || IS_GEN7(dev
)))
2097 if (cnt
> sizeof(buf
) - 1)
2100 if (copy_from_user(buf
, ubuf
, cnt
))
2104 val
= simple_strtoul(buf
, NULL
, 0);
2107 if (val
< 0 || val
> 3)
2110 DRM_DEBUG_DRIVER("Manually setting uncore sharing to %d\n", val
);
2112 /* Update the cache sharing policy here as well */
2113 snpcr
= I915_READ(GEN6_MBCUNIT_SNPCR
);
2114 snpcr
&= ~GEN6_MBC_SNPCR_MASK
;
2115 snpcr
|= (val
<< GEN6_MBC_SNPCR_SHIFT
);
2116 I915_WRITE(GEN6_MBCUNIT_SNPCR
, snpcr
);
2121 static const struct file_operations i915_cache_sharing_fops
= {
2122 .owner
= THIS_MODULE
,
2123 .open
= simple_open
,
2124 .read
= i915_cache_sharing_read
,
2125 .write
= i915_cache_sharing_write
,
2126 .llseek
= default_llseek
,
2129 /* As the drm_debugfs_init() routines are called before dev->dev_private is
2130 * allocated we need to hook into the minor for release. */
2132 drm_add_fake_info_node(struct drm_minor
*minor
,
2136 struct drm_info_node
*node
;
2138 node
= kmalloc(sizeof(struct drm_info_node
), GFP_KERNEL
);
2140 debugfs_remove(ent
);
2144 node
->minor
= minor
;
2146 node
->info_ent
= (void *) key
;
2148 mutex_lock(&minor
->debugfs_lock
);
2149 list_add(&node
->list
, &minor
->debugfs_list
);
2150 mutex_unlock(&minor
->debugfs_lock
);
2155 static int i915_forcewake_open(struct inode
*inode
, struct file
*file
)
2157 struct drm_device
*dev
= inode
->i_private
;
2158 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2160 if (INTEL_INFO(dev
)->gen
< 6)
2163 gen6_gt_force_wake_get(dev_priv
);
2168 static int i915_forcewake_release(struct inode
*inode
, struct file
*file
)
2170 struct drm_device
*dev
= inode
->i_private
;
2171 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2173 if (INTEL_INFO(dev
)->gen
< 6)
2176 gen6_gt_force_wake_put(dev_priv
);
2181 static const struct file_operations i915_forcewake_fops
= {
2182 .owner
= THIS_MODULE
,
2183 .open
= i915_forcewake_open
,
2184 .release
= i915_forcewake_release
,
2187 static int i915_forcewake_create(struct dentry
*root
, struct drm_minor
*minor
)
2189 struct drm_device
*dev
= minor
->dev
;
2192 ent
= debugfs_create_file("i915_forcewake_user",
2195 &i915_forcewake_fops
);
2197 return PTR_ERR(ent
);
2199 return drm_add_fake_info_node(minor
, ent
, &i915_forcewake_fops
);
2202 static int i915_debugfs_create(struct dentry
*root
,
2203 struct drm_minor
*minor
,
2205 const struct file_operations
*fops
)
2207 struct drm_device
*dev
= minor
->dev
;
2210 ent
= debugfs_create_file(name
,
2215 return PTR_ERR(ent
);
2217 return drm_add_fake_info_node(minor
, ent
, fops
);
2220 static struct drm_info_list i915_debugfs_list
[] = {
2221 {"i915_capabilities", i915_capabilities
, 0},
2222 {"i915_gem_objects", i915_gem_object_info
, 0},
2223 {"i915_gem_gtt", i915_gem_gtt_info
, 0},
2224 {"i915_gem_pinned", i915_gem_gtt_info
, 0, (void *) PINNED_LIST
},
2225 {"i915_gem_active", i915_gem_object_list_info
, 0, (void *) ACTIVE_LIST
},
2226 {"i915_gem_inactive", i915_gem_object_list_info
, 0, (void *) INACTIVE_LIST
},
2227 {"i915_gem_pageflip", i915_gem_pageflip_info
, 0},
2228 {"i915_gem_request", i915_gem_request_info
, 0},
2229 {"i915_gem_seqno", i915_gem_seqno_info
, 0},
2230 {"i915_gem_fence_regs", i915_gem_fence_regs_info
, 0},
2231 {"i915_gem_interrupt", i915_interrupt_info
, 0},
2232 {"i915_gem_hws", i915_hws_info
, 0, (void *)RCS
},
2233 {"i915_gem_hws_blt", i915_hws_info
, 0, (void *)BCS
},
2234 {"i915_gem_hws_bsd", i915_hws_info
, 0, (void *)VCS
},
2235 {"i915_rstdby_delays", i915_rstdby_delays
, 0},
2236 {"i915_cur_delayinfo", i915_cur_delayinfo
, 0},
2237 {"i915_delayfreq_table", i915_delayfreq_table
, 0},
2238 {"i915_inttoext_table", i915_inttoext_table
, 0},
2239 {"i915_drpc_info", i915_drpc_info
, 0},
2240 {"i915_emon_status", i915_emon_status
, 0},
2241 {"i915_ring_freq_table", i915_ring_freq_table
, 0},
2242 {"i915_gfxec", i915_gfxec
, 0},
2243 {"i915_fbc_status", i915_fbc_status
, 0},
2244 {"i915_sr_status", i915_sr_status
, 0},
2245 {"i915_opregion", i915_opregion
, 0},
2246 {"i915_gem_framebuffer", i915_gem_framebuffer_info
, 0},
2247 {"i915_context_status", i915_context_status
, 0},
2248 {"i915_gen6_forcewake_count", i915_gen6_forcewake_count_info
, 0},
2249 {"i915_swizzle_info", i915_swizzle_info
, 0},
2250 {"i915_ppgtt_info", i915_ppgtt_info
, 0},
2251 {"i915_dpio", i915_dpio_info
, 0},
2253 #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
2255 int i915_debugfs_init(struct drm_minor
*minor
)
2259 ret
= i915_debugfs_create(minor
->debugfs_root
, minor
,
2265 ret
= i915_forcewake_create(minor
->debugfs_root
, minor
);
2269 ret
= i915_debugfs_create(minor
->debugfs_root
, minor
,
2271 &i915_max_freq_fops
);
2275 ret
= i915_debugfs_create(minor
->debugfs_root
, minor
,
2277 &i915_min_freq_fops
);
2281 ret
= i915_debugfs_create(minor
->debugfs_root
, minor
,
2282 "i915_cache_sharing",
2283 &i915_cache_sharing_fops
);
2287 ret
= i915_debugfs_create(minor
->debugfs_root
, minor
,
2289 &i915_ring_stop_fops
);
2293 ret
= i915_debugfs_create(minor
->debugfs_root
, minor
,
2294 "i915_gem_drop_caches",
2295 &i915_drop_caches_fops
);
2299 ret
= i915_debugfs_create(minor
->debugfs_root
, minor
,
2301 &i915_error_state_fops
);
2305 ret
= i915_debugfs_create(minor
->debugfs_root
, minor
,
2307 &i915_next_seqno_fops
);
2311 return drm_debugfs_create_files(i915_debugfs_list
,
2312 I915_DEBUGFS_ENTRIES
,
2313 minor
->debugfs_root
, minor
);
2316 void i915_debugfs_cleanup(struct drm_minor
*minor
)
2318 drm_debugfs_remove_files(i915_debugfs_list
,
2319 I915_DEBUGFS_ENTRIES
, minor
);
2320 drm_debugfs_remove_files((struct drm_info_list
*) &i915_forcewake_fops
,
2322 drm_debugfs_remove_files((struct drm_info_list
*) &i915_wedged_fops
,
2324 drm_debugfs_remove_files((struct drm_info_list
*) &i915_max_freq_fops
,
2326 drm_debugfs_remove_files((struct drm_info_list
*) &i915_min_freq_fops
,
2328 drm_debugfs_remove_files((struct drm_info_list
*) &i915_cache_sharing_fops
,
2330 drm_debugfs_remove_files((struct drm_info_list
*) &i915_drop_caches_fops
,
2332 drm_debugfs_remove_files((struct drm_info_list
*) &i915_ring_stop_fops
,
2334 drm_debugfs_remove_files((struct drm_info_list
*) &i915_error_state_fops
,
2336 drm_debugfs_remove_files((struct drm_info_list
*) &i915_next_seqno_fops
,
2340 #endif /* CONFIG_DEBUG_FS */