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 PRINT_FLAG(x) seq_printf(m, #x ": %s\n", yesno(info->x))
65 #define SEP_SEMICOLON ;
66 DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG
, SEP_SEMICOLON
);
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_puts(m
, "Active:\n");
161 head
= &dev_priv
->mm
.active_list
;
164 seq_puts(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; \
201 size_t total
, active
, inactive
, unbound
;
204 static int per_file_stats(int id
, void *ptr
, void *data
)
206 struct drm_i915_gem_object
*obj
= ptr
;
207 struct file_stats
*stats
= data
;
210 stats
->total
+= obj
->base
.size
;
212 if (obj
->gtt_space
) {
213 if (!list_empty(&obj
->ring_list
))
214 stats
->active
+= obj
->base
.size
;
216 stats
->inactive
+= obj
->base
.size
;
218 if (!list_empty(&obj
->global_list
))
219 stats
->unbound
+= obj
->base
.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
, purgeable_count
;
231 size_t size
, mappable_size
, purgeable_size
;
232 struct drm_i915_gem_object
*obj
;
233 struct drm_file
*file
;
236 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
240 seq_printf(m
, "%u objects, %zu bytes\n",
241 dev_priv
->mm
.object_count
,
242 dev_priv
->mm
.object_memory
);
244 size
= count
= mappable_size
= mappable_count
= 0;
245 count_objects(&dev_priv
->mm
.bound_list
, global_list
);
246 seq_printf(m
, "%u [%u] objects, %zu [%zu] bytes in gtt\n",
247 count
, mappable_count
, size
, mappable_size
);
249 size
= count
= mappable_size
= mappable_count
= 0;
250 count_objects(&dev_priv
->mm
.active_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
.inactive_list
, mm_list
);
256 seq_printf(m
, " %u [%u] inactive objects, %zu [%zu] bytes\n",
257 count
, mappable_count
, size
, mappable_size
);
259 size
= count
= purgeable_size
= purgeable_count
= 0;
260 list_for_each_entry(obj
, &dev_priv
->mm
.unbound_list
, global_list
) {
261 size
+= obj
->base
.size
, ++count
;
262 if (obj
->madv
== I915_MADV_DONTNEED
)
263 purgeable_size
+= obj
->base
.size
, ++purgeable_count
;
265 seq_printf(m
, "%u unbound objects, %zu bytes\n", count
, size
);
267 size
= count
= mappable_size
= mappable_count
= 0;
268 list_for_each_entry(obj
, &dev_priv
->mm
.bound_list
, global_list
) {
269 if (obj
->fault_mappable
) {
270 size
+= obj
->gtt_space
->size
;
273 if (obj
->pin_mappable
) {
274 mappable_size
+= obj
->gtt_space
->size
;
277 if (obj
->madv
== I915_MADV_DONTNEED
) {
278 purgeable_size
+= obj
->base
.size
;
282 seq_printf(m
, "%u purgeable objects, %zu bytes\n",
283 purgeable_count
, purgeable_size
);
284 seq_printf(m
, "%u pinned mappable objects, %zu bytes\n",
285 mappable_count
, mappable_size
);
286 seq_printf(m
, "%u fault mappable objects, %zu bytes\n",
289 seq_printf(m
, "%zu [%lu] gtt total\n",
291 dev_priv
->gtt
.mappable_end
- dev_priv
->gtt
.start
);
294 list_for_each_entry_reverse(file
, &dev
->filelist
, lhead
) {
295 struct file_stats stats
;
297 memset(&stats
, 0, sizeof(stats
));
298 idr_for_each(&file
->object_idr
, per_file_stats
, &stats
);
299 seq_printf(m
, "%s: %u objects, %zu bytes (%zu active, %zu inactive, %zu unbound)\n",
300 get_pid_task(file
->pid
, PIDTYPE_PID
)->comm
,
308 mutex_unlock(&dev
->struct_mutex
);
313 static int i915_gem_gtt_info(struct seq_file
*m
, void *data
)
315 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
316 struct drm_device
*dev
= node
->minor
->dev
;
317 uintptr_t list
= (uintptr_t) node
->info_ent
->data
;
318 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
319 struct drm_i915_gem_object
*obj
;
320 size_t total_obj_size
, total_gtt_size
;
323 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
327 total_obj_size
= total_gtt_size
= count
= 0;
328 list_for_each_entry(obj
, &dev_priv
->mm
.bound_list
, global_list
) {
329 if (list
== PINNED_LIST
&& obj
->pin_count
== 0)
333 describe_obj(m
, obj
);
335 total_obj_size
+= obj
->base
.size
;
336 total_gtt_size
+= obj
->gtt_space
->size
;
340 mutex_unlock(&dev
->struct_mutex
);
342 seq_printf(m
, "Total %d objects, %zu bytes, %zu GTT size\n",
343 count
, total_obj_size
, total_gtt_size
);
348 static int i915_gem_pageflip_info(struct seq_file
*m
, void *data
)
350 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
351 struct drm_device
*dev
= node
->minor
->dev
;
353 struct intel_crtc
*crtc
;
355 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, base
.head
) {
356 const char pipe
= pipe_name(crtc
->pipe
);
357 const char plane
= plane_name(crtc
->plane
);
358 struct intel_unpin_work
*work
;
360 spin_lock_irqsave(&dev
->event_lock
, flags
);
361 work
= crtc
->unpin_work
;
363 seq_printf(m
, "No flip due on pipe %c (plane %c)\n",
366 if (atomic_read(&work
->pending
) < INTEL_FLIP_COMPLETE
) {
367 seq_printf(m
, "Flip queued on pipe %c (plane %c)\n",
370 seq_printf(m
, "Flip pending (waiting for vsync) on pipe %c (plane %c)\n",
373 if (work
->enable_stall_check
)
374 seq_puts(m
, "Stall check enabled, ");
376 seq_puts(m
, "Stall check waiting for page flip ioctl, ");
377 seq_printf(m
, "%d prepares\n", atomic_read(&work
->pending
));
379 if (work
->old_fb_obj
) {
380 struct drm_i915_gem_object
*obj
= work
->old_fb_obj
;
382 seq_printf(m
, "Old framebuffer gtt_offset 0x%08x\n", obj
->gtt_offset
);
384 if (work
->pending_flip_obj
) {
385 struct drm_i915_gem_object
*obj
= work
->pending_flip_obj
;
387 seq_printf(m
, "New framebuffer gtt_offset 0x%08x\n", obj
->gtt_offset
);
390 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
396 static int i915_gem_request_info(struct seq_file
*m
, void *data
)
398 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
399 struct drm_device
*dev
= node
->minor
->dev
;
400 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
401 struct intel_ring_buffer
*ring
;
402 struct drm_i915_gem_request
*gem_request
;
405 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
410 for_each_ring(ring
, dev_priv
, i
) {
411 if (list_empty(&ring
->request_list
))
414 seq_printf(m
, "%s requests:\n", ring
->name
);
415 list_for_each_entry(gem_request
,
418 seq_printf(m
, " %d @ %d\n",
420 (int) (jiffies
- gem_request
->emitted_jiffies
));
424 mutex_unlock(&dev
->struct_mutex
);
427 seq_puts(m
, "No requests\n");
432 static void i915_ring_seqno_info(struct seq_file
*m
,
433 struct intel_ring_buffer
*ring
)
435 if (ring
->get_seqno
) {
436 seq_printf(m
, "Current sequence (%s): %u\n",
437 ring
->name
, ring
->get_seqno(ring
, false));
441 static int i915_gem_seqno_info(struct seq_file
*m
, void *data
)
443 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
444 struct drm_device
*dev
= node
->minor
->dev
;
445 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
446 struct intel_ring_buffer
*ring
;
449 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
453 for_each_ring(ring
, dev_priv
, i
)
454 i915_ring_seqno_info(m
, ring
);
456 mutex_unlock(&dev
->struct_mutex
);
462 static int i915_interrupt_info(struct seq_file
*m
, void *data
)
464 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
465 struct drm_device
*dev
= node
->minor
->dev
;
466 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
467 struct intel_ring_buffer
*ring
;
470 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
474 if (IS_VALLEYVIEW(dev
)) {
475 seq_printf(m
, "Display IER:\t%08x\n",
477 seq_printf(m
, "Display IIR:\t%08x\n",
479 seq_printf(m
, "Display IIR_RW:\t%08x\n",
480 I915_READ(VLV_IIR_RW
));
481 seq_printf(m
, "Display IMR:\t%08x\n",
484 seq_printf(m
, "Pipe %c stat:\t%08x\n",
486 I915_READ(PIPESTAT(pipe
)));
488 seq_printf(m
, "Master IER:\t%08x\n",
489 I915_READ(VLV_MASTER_IER
));
491 seq_printf(m
, "Render IER:\t%08x\n",
493 seq_printf(m
, "Render IIR:\t%08x\n",
495 seq_printf(m
, "Render IMR:\t%08x\n",
498 seq_printf(m
, "PM IER:\t\t%08x\n",
499 I915_READ(GEN6_PMIER
));
500 seq_printf(m
, "PM IIR:\t\t%08x\n",
501 I915_READ(GEN6_PMIIR
));
502 seq_printf(m
, "PM IMR:\t\t%08x\n",
503 I915_READ(GEN6_PMIMR
));
505 seq_printf(m
, "Port hotplug:\t%08x\n",
506 I915_READ(PORT_HOTPLUG_EN
));
507 seq_printf(m
, "DPFLIPSTAT:\t%08x\n",
508 I915_READ(VLV_DPFLIPSTAT
));
509 seq_printf(m
, "DPINVGTT:\t%08x\n",
510 I915_READ(DPINVGTT
));
512 } else if (!HAS_PCH_SPLIT(dev
)) {
513 seq_printf(m
, "Interrupt enable: %08x\n",
515 seq_printf(m
, "Interrupt identity: %08x\n",
517 seq_printf(m
, "Interrupt mask: %08x\n",
520 seq_printf(m
, "Pipe %c stat: %08x\n",
522 I915_READ(PIPESTAT(pipe
)));
524 seq_printf(m
, "North Display Interrupt enable: %08x\n",
526 seq_printf(m
, "North Display Interrupt identity: %08x\n",
528 seq_printf(m
, "North Display Interrupt mask: %08x\n",
530 seq_printf(m
, "South Display Interrupt enable: %08x\n",
532 seq_printf(m
, "South Display Interrupt identity: %08x\n",
534 seq_printf(m
, "South Display Interrupt mask: %08x\n",
536 seq_printf(m
, "Graphics Interrupt enable: %08x\n",
538 seq_printf(m
, "Graphics Interrupt identity: %08x\n",
540 seq_printf(m
, "Graphics Interrupt mask: %08x\n",
543 seq_printf(m
, "Interrupts received: %d\n",
544 atomic_read(&dev_priv
->irq_received
));
545 for_each_ring(ring
, dev_priv
, i
) {
546 if (IS_GEN6(dev
) || IS_GEN7(dev
)) {
548 "Graphics Interrupt mask (%s): %08x\n",
549 ring
->name
, I915_READ_IMR(ring
));
551 i915_ring_seqno_info(m
, ring
);
553 mutex_unlock(&dev
->struct_mutex
);
558 static int i915_gem_fence_regs_info(struct seq_file
*m
, void *data
)
560 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
561 struct drm_device
*dev
= node
->minor
->dev
;
562 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
565 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
569 seq_printf(m
, "Reserved fences = %d\n", dev_priv
->fence_reg_start
);
570 seq_printf(m
, "Total fences = %d\n", dev_priv
->num_fence_regs
);
571 for (i
= 0; i
< dev_priv
->num_fence_regs
; i
++) {
572 struct drm_i915_gem_object
*obj
= dev_priv
->fence_regs
[i
].obj
;
574 seq_printf(m
, "Fence %d, pin count = %d, object = ",
575 i
, dev_priv
->fence_regs
[i
].pin_count
);
577 seq_puts(m
, "unused");
579 describe_obj(m
, obj
);
583 mutex_unlock(&dev
->struct_mutex
);
587 static int i915_hws_info(struct seq_file
*m
, void *data
)
589 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
590 struct drm_device
*dev
= node
->minor
->dev
;
591 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
592 struct intel_ring_buffer
*ring
;
596 ring
= &dev_priv
->ring
[(uintptr_t)node
->info_ent
->data
];
597 hws
= ring
->status_page
.page_addr
;
601 for (i
= 0; i
< 4096 / sizeof(u32
) / 4; i
+= 4) {
602 seq_printf(m
, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
604 hws
[i
], hws
[i
+ 1], hws
[i
+ 2], hws
[i
+ 3]);
609 static const char *ring_str(int ring
)
612 case RCS
: return "render";
613 case VCS
: return "bsd";
614 case BCS
: return "blt";
615 case VECS
: return "vebox";
620 static const char *pin_flag(int pinned
)
630 static const char *tiling_flag(int tiling
)
634 case I915_TILING_NONE
: return "";
635 case I915_TILING_X
: return " X";
636 case I915_TILING_Y
: return " Y";
640 static const char *dirty_flag(int dirty
)
642 return dirty
? " dirty" : "";
645 static const char *purgeable_flag(int purgeable
)
647 return purgeable
? " purgeable" : "";
650 static bool __i915_error_ok(struct drm_i915_error_state_buf
*e
)
653 if (!e
->err
&& WARN(e
->bytes
> (e
->size
- 1), "overflow")) {
658 if (e
->bytes
== e
->size
- 1 || e
->err
)
664 static bool __i915_error_seek(struct drm_i915_error_state_buf
*e
,
667 if (e
->pos
+ len
<= e
->start
) {
672 /* First vsnprintf needs to fit in its entirety for memmove */
673 if (len
>= e
->size
) {
681 static void __i915_error_advance(struct drm_i915_error_state_buf
*e
,
684 /* If this is first printf in this window, adjust it so that
685 * start position matches start of the buffer
688 if (e
->pos
< e
->start
) {
689 const size_t off
= e
->start
- e
->pos
;
691 /* Should not happen but be paranoid */
692 if (off
> len
|| e
->bytes
) {
697 memmove(e
->buf
, e
->buf
+ off
, len
- off
);
698 e
->bytes
= len
- off
;
707 static void i915_error_vprintf(struct drm_i915_error_state_buf
*e
,
708 const char *f
, va_list args
)
712 if (!__i915_error_ok(e
))
715 /* Seek the first printf which is hits start position */
716 if (e
->pos
< e
->start
) {
717 len
= vsnprintf(NULL
, 0, f
, args
);
718 if (!__i915_error_seek(e
, len
))
722 len
= vsnprintf(e
->buf
+ e
->bytes
, e
->size
- e
->bytes
, f
, args
);
723 if (len
>= e
->size
- e
->bytes
)
724 len
= e
->size
- e
->bytes
- 1;
726 __i915_error_advance(e
, len
);
729 static void i915_error_puts(struct drm_i915_error_state_buf
*e
,
734 if (!__i915_error_ok(e
))
739 /* Seek the first printf which is hits start position */
740 if (e
->pos
< e
->start
) {
741 if (!__i915_error_seek(e
, len
))
745 if (len
>= e
->size
- e
->bytes
)
746 len
= e
->size
- e
->bytes
- 1;
747 memcpy(e
->buf
+ e
->bytes
, str
, len
);
749 __i915_error_advance(e
, len
);
752 void i915_error_printf(struct drm_i915_error_state_buf
*e
, const char *f
, ...)
757 i915_error_vprintf(e
, f
, args
);
761 #define err_printf(e, ...) i915_error_printf(e, __VA_ARGS__)
762 #define err_puts(e, s) i915_error_puts(e, s)
764 static void print_error_buffers(struct drm_i915_error_state_buf
*m
,
766 struct drm_i915_error_buffer
*err
,
769 err_printf(m
, "%s [%d]:\n", name
, count
);
772 err_printf(m
, " %08x %8u %02x %02x %x %x",
777 err
->rseqno
, err
->wseqno
);
778 err_puts(m
, pin_flag(err
->pinned
));
779 err_puts(m
, tiling_flag(err
->tiling
));
780 err_puts(m
, dirty_flag(err
->dirty
));
781 err_puts(m
, purgeable_flag(err
->purgeable
));
782 err_puts(m
, err
->ring
!= -1 ? " " : "");
783 err_puts(m
, ring_str(err
->ring
));
784 err_puts(m
, cache_level_str(err
->cache_level
));
787 err_printf(m
, " (name: %d)", err
->name
);
788 if (err
->fence_reg
!= I915_FENCE_REG_NONE
)
789 err_printf(m
, " (fence: %d)", err
->fence_reg
);
796 static void i915_ring_error_state(struct drm_i915_error_state_buf
*m
,
797 struct drm_device
*dev
,
798 struct drm_i915_error_state
*error
,
801 BUG_ON(ring
>= I915_NUM_RINGS
); /* shut up confused gcc */
802 err_printf(m
, "%s command stream:\n", ring_str(ring
));
803 err_printf(m
, " HEAD: 0x%08x\n", error
->head
[ring
]);
804 err_printf(m
, " TAIL: 0x%08x\n", error
->tail
[ring
]);
805 err_printf(m
, " CTL: 0x%08x\n", error
->ctl
[ring
]);
806 err_printf(m
, " ACTHD: 0x%08x\n", error
->acthd
[ring
]);
807 err_printf(m
, " IPEIR: 0x%08x\n", error
->ipeir
[ring
]);
808 err_printf(m
, " IPEHR: 0x%08x\n", error
->ipehr
[ring
]);
809 err_printf(m
, " INSTDONE: 0x%08x\n", error
->instdone
[ring
]);
810 if (ring
== RCS
&& INTEL_INFO(dev
)->gen
>= 4)
811 err_printf(m
, " BBADDR: 0x%08llx\n", error
->bbaddr
);
813 if (INTEL_INFO(dev
)->gen
>= 4)
814 err_printf(m
, " INSTPS: 0x%08x\n", error
->instps
[ring
]);
815 err_printf(m
, " INSTPM: 0x%08x\n", error
->instpm
[ring
]);
816 err_printf(m
, " FADDR: 0x%08x\n", error
->faddr
[ring
]);
817 if (INTEL_INFO(dev
)->gen
>= 6) {
818 err_printf(m
, " RC PSMI: 0x%08x\n", error
->rc_psmi
[ring
]);
819 err_printf(m
, " FAULT_REG: 0x%08x\n", error
->fault_reg
[ring
]);
820 err_printf(m
, " SYNC_0: 0x%08x [last synced 0x%08x]\n",
821 error
->semaphore_mboxes
[ring
][0],
822 error
->semaphore_seqno
[ring
][0]);
823 err_printf(m
, " SYNC_1: 0x%08x [last synced 0x%08x]\n",
824 error
->semaphore_mboxes
[ring
][1],
825 error
->semaphore_seqno
[ring
][1]);
827 err_printf(m
, " seqno: 0x%08x\n", error
->seqno
[ring
]);
828 err_printf(m
, " waiting: %s\n", yesno(error
->waiting
[ring
]));
829 err_printf(m
, " ring->head: 0x%08x\n", error
->cpu_ring_head
[ring
]);
830 err_printf(m
, " ring->tail: 0x%08x\n", error
->cpu_ring_tail
[ring
]);
833 int i915_error_state_to_str(struct drm_i915_error_state_buf
*m
,
834 const struct i915_error_state_file_priv
*error_priv
)
836 struct drm_device
*dev
= error_priv
->dev
;
837 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
838 struct drm_i915_error_state
*error
= error_priv
->error
;
839 struct intel_ring_buffer
*ring
;
840 int i
, j
, page
, offset
, elt
;
843 err_printf(m
, "no error state collected\n");
847 err_printf(m
, "Time: %ld s %ld us\n", error
->time
.tv_sec
,
848 error
->time
.tv_usec
);
849 err_printf(m
, "Kernel: " UTS_RELEASE
"\n");
850 err_printf(m
, "PCI ID: 0x%04x\n", dev
->pci_device
);
851 err_printf(m
, "EIR: 0x%08x\n", error
->eir
);
852 err_printf(m
, "IER: 0x%08x\n", error
->ier
);
853 err_printf(m
, "PGTBL_ER: 0x%08x\n", error
->pgtbl_er
);
854 err_printf(m
, "FORCEWAKE: 0x%08x\n", error
->forcewake
);
855 err_printf(m
, "DERRMR: 0x%08x\n", error
->derrmr
);
856 err_printf(m
, "CCID: 0x%08x\n", error
->ccid
);
858 for (i
= 0; i
< dev_priv
->num_fence_regs
; i
++)
859 err_printf(m
, " fence[%d] = %08llx\n", i
, error
->fence
[i
]);
861 for (i
= 0; i
< ARRAY_SIZE(error
->extra_instdone
); i
++)
862 err_printf(m
, " INSTDONE_%d: 0x%08x\n", i
,
863 error
->extra_instdone
[i
]);
865 if (INTEL_INFO(dev
)->gen
>= 6) {
866 err_printf(m
, "ERROR: 0x%08x\n", error
->error
);
867 err_printf(m
, "DONE_REG: 0x%08x\n", error
->done_reg
);
870 if (INTEL_INFO(dev
)->gen
== 7)
871 err_printf(m
, "ERR_INT: 0x%08x\n", error
->err_int
);
873 for_each_ring(ring
, dev_priv
, i
)
874 i915_ring_error_state(m
, dev
, error
, i
);
876 if (error
->active_bo
)
877 print_error_buffers(m
, "Active",
879 error
->active_bo_count
);
881 if (error
->pinned_bo
)
882 print_error_buffers(m
, "Pinned",
884 error
->pinned_bo_count
);
886 for (i
= 0; i
< ARRAY_SIZE(error
->ring
); i
++) {
887 struct drm_i915_error_object
*obj
;
889 if ((obj
= error
->ring
[i
].batchbuffer
)) {
890 err_printf(m
, "%s --- gtt_offset = 0x%08x\n",
891 dev_priv
->ring
[i
].name
,
894 for (page
= 0; page
< obj
->page_count
; page
++) {
895 for (elt
= 0; elt
< PAGE_SIZE
/4; elt
++) {
896 err_printf(m
, "%08x : %08x\n", offset
,
897 obj
->pages
[page
][elt
]);
903 if (error
->ring
[i
].num_requests
) {
904 err_printf(m
, "%s --- %d requests\n",
905 dev_priv
->ring
[i
].name
,
906 error
->ring
[i
].num_requests
);
907 for (j
= 0; j
< error
->ring
[i
].num_requests
; j
++) {
908 err_printf(m
, " seqno 0x%08x, emitted %ld, tail 0x%08x\n",
909 error
->ring
[i
].requests
[j
].seqno
,
910 error
->ring
[i
].requests
[j
].jiffies
,
911 error
->ring
[i
].requests
[j
].tail
);
915 if ((obj
= error
->ring
[i
].ringbuffer
)) {
916 err_printf(m
, "%s --- ringbuffer = 0x%08x\n",
917 dev_priv
->ring
[i
].name
,
920 for (page
= 0; page
< obj
->page_count
; page
++) {
921 for (elt
= 0; elt
< PAGE_SIZE
/4; elt
++) {
922 err_printf(m
, "%08x : %08x\n",
924 obj
->pages
[page
][elt
]);
930 obj
= error
->ring
[i
].ctx
;
932 err_printf(m
, "%s --- HW Context = 0x%08x\n",
933 dev_priv
->ring
[i
].name
,
936 for (elt
= 0; elt
< PAGE_SIZE
/16; elt
+= 4) {
937 err_printf(m
, "[%04x] %08x %08x %08x %08x\n",
940 obj
->pages
[0][elt
+1],
941 obj
->pages
[0][elt
+2],
942 obj
->pages
[0][elt
+3]);
949 intel_overlay_print_error_state(m
, error
->overlay
);
952 intel_display_print_error_state(m
, dev
, error
->display
);
955 if (m
->bytes
== 0 && m
->err
)
962 i915_error_state_write(struct file
*filp
,
963 const char __user
*ubuf
,
967 struct i915_error_state_file_priv
*error_priv
= filp
->private_data
;
968 struct drm_device
*dev
= error_priv
->dev
;
971 DRM_DEBUG_DRIVER("Resetting error state\n");
973 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
977 i915_destroy_error_state(dev
);
978 mutex_unlock(&dev
->struct_mutex
);
983 static int i915_error_state_open(struct inode
*inode
, struct file
*file
)
985 struct drm_device
*dev
= inode
->i_private
;
986 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
987 struct i915_error_state_file_priv
*error_priv
;
990 error_priv
= kzalloc(sizeof(*error_priv
), GFP_KERNEL
);
994 error_priv
->dev
= dev
;
996 spin_lock_irqsave(&dev_priv
->gpu_error
.lock
, flags
);
997 error_priv
->error
= dev_priv
->gpu_error
.first_error
;
998 if (error_priv
->error
)
999 kref_get(&error_priv
->error
->ref
);
1000 spin_unlock_irqrestore(&dev_priv
->gpu_error
.lock
, flags
);
1002 file
->private_data
= error_priv
;
1007 static int i915_error_state_release(struct inode
*inode
, struct file
*file
)
1009 struct i915_error_state_file_priv
*error_priv
= file
->private_data
;
1011 if (error_priv
->error
)
1012 kref_put(&error_priv
->error
->ref
, i915_error_state_free
);
1018 static ssize_t
i915_error_state_read(struct file
*file
, char __user
*userbuf
,
1019 size_t count
, loff_t
*pos
)
1021 struct i915_error_state_file_priv
*error_priv
= file
->private_data
;
1022 struct drm_i915_error_state_buf error_str
;
1024 ssize_t ret_count
= 0;
1027 memset(&error_str
, 0, sizeof(error_str
));
1029 /* We need to have enough room to store any i915_error_state printf
1030 * so that we can move it to start position.
1032 error_str
.size
= count
+ 1 > PAGE_SIZE
? count
+ 1 : PAGE_SIZE
;
1033 error_str
.buf
= kmalloc(error_str
.size
,
1034 GFP_TEMPORARY
| __GFP_NORETRY
| __GFP_NOWARN
);
1036 if (error_str
.buf
== NULL
) {
1037 error_str
.size
= PAGE_SIZE
;
1038 error_str
.buf
= kmalloc(error_str
.size
, GFP_TEMPORARY
);
1041 if (error_str
.buf
== NULL
) {
1042 error_str
.size
= 128;
1043 error_str
.buf
= kmalloc(error_str
.size
, GFP_TEMPORARY
);
1046 if (error_str
.buf
== NULL
)
1049 error_str
.start
= *pos
;
1051 ret
= i915_error_state_to_str(&error_str
, error_priv
);
1055 ret_count
= simple_read_from_buffer(userbuf
, count
, &tmp_pos
,
1062 *pos
= error_str
.start
+ ret_count
;
1064 kfree(error_str
.buf
);
1065 return ret
?: ret_count
;
1068 static const struct file_operations i915_error_state_fops
= {
1069 .owner
= THIS_MODULE
,
1070 .open
= i915_error_state_open
,
1071 .read
= i915_error_state_read
,
1072 .write
= i915_error_state_write
,
1073 .llseek
= default_llseek
,
1074 .release
= i915_error_state_release
,
1078 i915_next_seqno_get(void *data
, u64
*val
)
1080 struct drm_device
*dev
= data
;
1081 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1084 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1088 *val
= dev_priv
->next_seqno
;
1089 mutex_unlock(&dev
->struct_mutex
);
1095 i915_next_seqno_set(void *data
, u64 val
)
1097 struct drm_device
*dev
= data
;
1100 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1104 ret
= i915_gem_set_seqno(dev
, val
);
1105 mutex_unlock(&dev
->struct_mutex
);
1110 DEFINE_SIMPLE_ATTRIBUTE(i915_next_seqno_fops
,
1111 i915_next_seqno_get
, i915_next_seqno_set
,
1114 static int i915_rstdby_delays(struct seq_file
*m
, void *unused
)
1116 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1117 struct drm_device
*dev
= node
->minor
->dev
;
1118 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1122 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1126 crstanddelay
= I915_READ16(CRSTANDVID
);
1128 mutex_unlock(&dev
->struct_mutex
);
1130 seq_printf(m
, "w/ctx: %d, w/o ctx: %d\n", (crstanddelay
>> 8) & 0x3f, (crstanddelay
& 0x3f));
1135 static int i915_cur_delayinfo(struct seq_file
*m
, void *unused
)
1137 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1138 struct drm_device
*dev
= node
->minor
->dev
;
1139 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1143 u16 rgvswctl
= I915_READ16(MEMSWCTL
);
1144 u16 rgvstat
= I915_READ16(MEMSTAT_ILK
);
1146 seq_printf(m
, "Requested P-state: %d\n", (rgvswctl
>> 8) & 0xf);
1147 seq_printf(m
, "Requested VID: %d\n", rgvswctl
& 0x3f);
1148 seq_printf(m
, "Current VID: %d\n", (rgvstat
& MEMSTAT_VID_MASK
) >>
1150 seq_printf(m
, "Current P-state: %d\n",
1151 (rgvstat
& MEMSTAT_PSTATE_MASK
) >> MEMSTAT_PSTATE_SHIFT
);
1152 } else if ((IS_GEN6(dev
) || IS_GEN7(dev
)) && !IS_VALLEYVIEW(dev
)) {
1153 u32 gt_perf_status
= I915_READ(GEN6_GT_PERF_STATUS
);
1154 u32 rp_state_limits
= I915_READ(GEN6_RP_STATE_LIMITS
);
1155 u32 rp_state_cap
= I915_READ(GEN6_RP_STATE_CAP
);
1157 u32 rpupei
, rpcurup
, rpprevup
;
1158 u32 rpdownei
, rpcurdown
, rpprevdown
;
1161 /* RPSTAT1 is in the GT power well */
1162 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1166 gen6_gt_force_wake_get(dev_priv
);
1168 rpstat
= I915_READ(GEN6_RPSTAT1
);
1169 rpupei
= I915_READ(GEN6_RP_CUR_UP_EI
);
1170 rpcurup
= I915_READ(GEN6_RP_CUR_UP
);
1171 rpprevup
= I915_READ(GEN6_RP_PREV_UP
);
1172 rpdownei
= I915_READ(GEN6_RP_CUR_DOWN_EI
);
1173 rpcurdown
= I915_READ(GEN6_RP_CUR_DOWN
);
1174 rpprevdown
= I915_READ(GEN6_RP_PREV_DOWN
);
1175 if (IS_HASWELL(dev
))
1176 cagf
= (rpstat
& HSW_CAGF_MASK
) >> HSW_CAGF_SHIFT
;
1178 cagf
= (rpstat
& GEN6_CAGF_MASK
) >> GEN6_CAGF_SHIFT
;
1179 cagf
*= GT_FREQUENCY_MULTIPLIER
;
1181 gen6_gt_force_wake_put(dev_priv
);
1182 mutex_unlock(&dev
->struct_mutex
);
1184 seq_printf(m
, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status
);
1185 seq_printf(m
, "RPSTAT1: 0x%08x\n", rpstat
);
1186 seq_printf(m
, "Render p-state ratio: %d\n",
1187 (gt_perf_status
& 0xff00) >> 8);
1188 seq_printf(m
, "Render p-state VID: %d\n",
1189 gt_perf_status
& 0xff);
1190 seq_printf(m
, "Render p-state limit: %d\n",
1191 rp_state_limits
& 0xff);
1192 seq_printf(m
, "CAGF: %dMHz\n", cagf
);
1193 seq_printf(m
, "RP CUR UP EI: %dus\n", rpupei
&
1194 GEN6_CURICONT_MASK
);
1195 seq_printf(m
, "RP CUR UP: %dus\n", rpcurup
&
1196 GEN6_CURBSYTAVG_MASK
);
1197 seq_printf(m
, "RP PREV UP: %dus\n", rpprevup
&
1198 GEN6_CURBSYTAVG_MASK
);
1199 seq_printf(m
, "RP CUR DOWN EI: %dus\n", rpdownei
&
1201 seq_printf(m
, "RP CUR DOWN: %dus\n", rpcurdown
&
1202 GEN6_CURBSYTAVG_MASK
);
1203 seq_printf(m
, "RP PREV DOWN: %dus\n", rpprevdown
&
1204 GEN6_CURBSYTAVG_MASK
);
1206 max_freq
= (rp_state_cap
& 0xff0000) >> 16;
1207 seq_printf(m
, "Lowest (RPN) frequency: %dMHz\n",
1208 max_freq
* GT_FREQUENCY_MULTIPLIER
);
1210 max_freq
= (rp_state_cap
& 0xff00) >> 8;
1211 seq_printf(m
, "Nominal (RP1) frequency: %dMHz\n",
1212 max_freq
* GT_FREQUENCY_MULTIPLIER
);
1214 max_freq
= rp_state_cap
& 0xff;
1215 seq_printf(m
, "Max non-overclocked (RP0) frequency: %dMHz\n",
1216 max_freq
* GT_FREQUENCY_MULTIPLIER
);
1218 seq_printf(m
, "Max overclocked frequency: %dMHz\n",
1219 dev_priv
->rps
.hw_max
* GT_FREQUENCY_MULTIPLIER
);
1220 } else if (IS_VALLEYVIEW(dev
)) {
1223 mutex_lock(&dev_priv
->rps
.hw_lock
);
1224 freq_sts
= vlv_punit_read(dev_priv
, PUNIT_REG_GPU_FREQ_STS
);
1225 seq_printf(m
, "PUNIT_REG_GPU_FREQ_STS: 0x%08x\n", freq_sts
);
1226 seq_printf(m
, "DDR freq: %d MHz\n", dev_priv
->mem_freq
);
1228 val
= vlv_punit_read(dev_priv
, PUNIT_FUSE_BUS1
);
1229 seq_printf(m
, "max GPU freq: %d MHz\n",
1230 vlv_gpu_freq(dev_priv
->mem_freq
, val
));
1232 val
= vlv_punit_read(dev_priv
, PUNIT_REG_GPU_LFM
);
1233 seq_printf(m
, "min GPU freq: %d MHz\n",
1234 vlv_gpu_freq(dev_priv
->mem_freq
, val
));
1236 seq_printf(m
, "current GPU freq: %d MHz\n",
1237 vlv_gpu_freq(dev_priv
->mem_freq
,
1238 (freq_sts
>> 8) & 0xff));
1239 mutex_unlock(&dev_priv
->rps
.hw_lock
);
1241 seq_puts(m
, "no P-state info available\n");
1247 static int i915_delayfreq_table(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
;
1255 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1259 for (i
= 0; i
< 16; i
++) {
1260 delayfreq
= I915_READ(PXVFREQ_BASE
+ i
* 4);
1261 seq_printf(m
, "P%02dVIDFREQ: 0x%08x (VID: %d)\n", i
, delayfreq
,
1262 (delayfreq
& PXVFREQ_PX_MASK
) >> PXVFREQ_PX_SHIFT
);
1265 mutex_unlock(&dev
->struct_mutex
);
1270 static inline int MAP_TO_MV(int map
)
1272 return 1250 - (map
* 25);
1275 static int i915_inttoext_table(struct seq_file
*m
, void *unused
)
1277 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1278 struct drm_device
*dev
= node
->minor
->dev
;
1279 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1283 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1287 for (i
= 1; i
<= 32; i
++) {
1288 inttoext
= I915_READ(INTTOEXT_BASE_ILK
+ i
* 4);
1289 seq_printf(m
, "INTTOEXT%02d: 0x%08x\n", i
, inttoext
);
1292 mutex_unlock(&dev
->struct_mutex
);
1297 static int ironlake_drpc_info(struct seq_file
*m
)
1299 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1300 struct drm_device
*dev
= node
->minor
->dev
;
1301 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1302 u32 rgvmodectl
, rstdbyctl
;
1306 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1310 rgvmodectl
= I915_READ(MEMMODECTL
);
1311 rstdbyctl
= I915_READ(RSTDBYCTL
);
1312 crstandvid
= I915_READ16(CRSTANDVID
);
1314 mutex_unlock(&dev
->struct_mutex
);
1316 seq_printf(m
, "HD boost: %s\n", (rgvmodectl
& MEMMODE_BOOST_EN
) ?
1318 seq_printf(m
, "Boost freq: %d\n",
1319 (rgvmodectl
& MEMMODE_BOOST_FREQ_MASK
) >>
1320 MEMMODE_BOOST_FREQ_SHIFT
);
1321 seq_printf(m
, "HW control enabled: %s\n",
1322 rgvmodectl
& MEMMODE_HWIDLE_EN
? "yes" : "no");
1323 seq_printf(m
, "SW control enabled: %s\n",
1324 rgvmodectl
& MEMMODE_SWMODE_EN
? "yes" : "no");
1325 seq_printf(m
, "Gated voltage change: %s\n",
1326 rgvmodectl
& MEMMODE_RCLK_GATE
? "yes" : "no");
1327 seq_printf(m
, "Starting frequency: P%d\n",
1328 (rgvmodectl
& MEMMODE_FSTART_MASK
) >> MEMMODE_FSTART_SHIFT
);
1329 seq_printf(m
, "Max P-state: P%d\n",
1330 (rgvmodectl
& MEMMODE_FMAX_MASK
) >> MEMMODE_FMAX_SHIFT
);
1331 seq_printf(m
, "Min P-state: P%d\n", (rgvmodectl
& MEMMODE_FMIN_MASK
));
1332 seq_printf(m
, "RS1 VID: %d\n", (crstandvid
& 0x3f));
1333 seq_printf(m
, "RS2 VID: %d\n", ((crstandvid
>> 8) & 0x3f));
1334 seq_printf(m
, "Render standby enabled: %s\n",
1335 (rstdbyctl
& RCX_SW_EXIT
) ? "no" : "yes");
1336 seq_puts(m
, "Current RS state: ");
1337 switch (rstdbyctl
& RSX_STATUS_MASK
) {
1339 seq_puts(m
, "on\n");
1341 case RSX_STATUS_RC1
:
1342 seq_puts(m
, "RC1\n");
1344 case RSX_STATUS_RC1E
:
1345 seq_puts(m
, "RC1E\n");
1347 case RSX_STATUS_RS1
:
1348 seq_puts(m
, "RS1\n");
1350 case RSX_STATUS_RS2
:
1351 seq_puts(m
, "RS2 (RC6)\n");
1353 case RSX_STATUS_RS3
:
1354 seq_puts(m
, "RC3 (RC6+)\n");
1357 seq_puts(m
, "unknown\n");
1364 static int gen6_drpc_info(struct seq_file
*m
)
1367 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1368 struct drm_device
*dev
= node
->minor
->dev
;
1369 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1370 u32 rpmodectl1
, gt_core_status
, rcctl1
, rc6vids
= 0;
1371 unsigned forcewake_count
;
1374 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1378 spin_lock_irq(&dev_priv
->gt_lock
);
1379 forcewake_count
= dev_priv
->forcewake_count
;
1380 spin_unlock_irq(&dev_priv
->gt_lock
);
1382 if (forcewake_count
) {
1383 seq_puts(m
, "RC information inaccurate because somebody "
1384 "holds a forcewake reference \n");
1386 /* NB: we cannot use forcewake, else we read the wrong values */
1387 while (count
++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_ACK
) & 1))
1389 seq_printf(m
, "RC information accurate: %s\n", yesno(count
< 51));
1392 gt_core_status
= readl(dev_priv
->regs
+ GEN6_GT_CORE_STATUS
);
1393 trace_i915_reg_rw(false, GEN6_GT_CORE_STATUS
, gt_core_status
, 4);
1395 rpmodectl1
= I915_READ(GEN6_RP_CONTROL
);
1396 rcctl1
= I915_READ(GEN6_RC_CONTROL
);
1397 mutex_unlock(&dev
->struct_mutex
);
1398 mutex_lock(&dev_priv
->rps
.hw_lock
);
1399 sandybridge_pcode_read(dev_priv
, GEN6_PCODE_READ_RC6VIDS
, &rc6vids
);
1400 mutex_unlock(&dev_priv
->rps
.hw_lock
);
1402 seq_printf(m
, "Video Turbo Mode: %s\n",
1403 yesno(rpmodectl1
& GEN6_RP_MEDIA_TURBO
));
1404 seq_printf(m
, "HW control enabled: %s\n",
1405 yesno(rpmodectl1
& GEN6_RP_ENABLE
));
1406 seq_printf(m
, "SW control enabled: %s\n",
1407 yesno((rpmodectl1
& GEN6_RP_MEDIA_MODE_MASK
) ==
1408 GEN6_RP_MEDIA_SW_MODE
));
1409 seq_printf(m
, "RC1e Enabled: %s\n",
1410 yesno(rcctl1
& GEN6_RC_CTL_RC1e_ENABLE
));
1411 seq_printf(m
, "RC6 Enabled: %s\n",
1412 yesno(rcctl1
& GEN6_RC_CTL_RC6_ENABLE
));
1413 seq_printf(m
, "Deep RC6 Enabled: %s\n",
1414 yesno(rcctl1
& GEN6_RC_CTL_RC6p_ENABLE
));
1415 seq_printf(m
, "Deepest RC6 Enabled: %s\n",
1416 yesno(rcctl1
& GEN6_RC_CTL_RC6pp_ENABLE
));
1417 seq_puts(m
, "Current RC state: ");
1418 switch (gt_core_status
& GEN6_RCn_MASK
) {
1420 if (gt_core_status
& GEN6_CORE_CPD_STATE_MASK
)
1421 seq_puts(m
, "Core Power Down\n");
1423 seq_puts(m
, "on\n");
1426 seq_puts(m
, "RC3\n");
1429 seq_puts(m
, "RC6\n");
1432 seq_puts(m
, "RC7\n");
1435 seq_puts(m
, "Unknown\n");
1439 seq_printf(m
, "Core Power Down: %s\n",
1440 yesno(gt_core_status
& GEN6_CORE_CPD_STATE_MASK
));
1442 /* Not exactly sure what this is */
1443 seq_printf(m
, "RC6 \"Locked to RPn\" residency since boot: %u\n",
1444 I915_READ(GEN6_GT_GFX_RC6_LOCKED
));
1445 seq_printf(m
, "RC6 residency since boot: %u\n",
1446 I915_READ(GEN6_GT_GFX_RC6
));
1447 seq_printf(m
, "RC6+ residency since boot: %u\n",
1448 I915_READ(GEN6_GT_GFX_RC6p
));
1449 seq_printf(m
, "RC6++ residency since boot: %u\n",
1450 I915_READ(GEN6_GT_GFX_RC6pp
));
1452 seq_printf(m
, "RC6 voltage: %dmV\n",
1453 GEN6_DECODE_RC6_VID(((rc6vids
>> 0) & 0xff)));
1454 seq_printf(m
, "RC6+ voltage: %dmV\n",
1455 GEN6_DECODE_RC6_VID(((rc6vids
>> 8) & 0xff)));
1456 seq_printf(m
, "RC6++ voltage: %dmV\n",
1457 GEN6_DECODE_RC6_VID(((rc6vids
>> 16) & 0xff)));
1461 static int i915_drpc_info(struct seq_file
*m
, void *unused
)
1463 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1464 struct drm_device
*dev
= node
->minor
->dev
;
1466 if (IS_GEN6(dev
) || IS_GEN7(dev
))
1467 return gen6_drpc_info(m
);
1469 return ironlake_drpc_info(m
);
1472 static int i915_fbc_status(struct seq_file
*m
, void *unused
)
1474 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1475 struct drm_device
*dev
= node
->minor
->dev
;
1476 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1478 if (!I915_HAS_FBC(dev
)) {
1479 seq_puts(m
, "FBC unsupported on this chipset\n");
1483 if (intel_fbc_enabled(dev
)) {
1484 seq_puts(m
, "FBC enabled\n");
1486 seq_puts(m
, "FBC disabled: ");
1487 switch (dev_priv
->fbc
.no_fbc_reason
) {
1489 seq_puts(m
, "no outputs");
1491 case FBC_STOLEN_TOO_SMALL
:
1492 seq_puts(m
, "not enough stolen memory");
1494 case FBC_UNSUPPORTED_MODE
:
1495 seq_puts(m
, "mode not supported");
1497 case FBC_MODE_TOO_LARGE
:
1498 seq_puts(m
, "mode too large");
1501 seq_puts(m
, "FBC unsupported on plane");
1504 seq_puts(m
, "scanout buffer not tiled");
1506 case FBC_MULTIPLE_PIPES
:
1507 seq_puts(m
, "multiple pipes are enabled");
1509 case FBC_MODULE_PARAM
:
1510 seq_puts(m
, "disabled per module param (default off)");
1512 case FBC_CHIP_DEFAULT
:
1513 seq_puts(m
, "disabled per chip default");
1516 seq_puts(m
, "unknown reason");
1523 static int i915_ips_status(struct seq_file
*m
, void *unused
)
1525 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1526 struct drm_device
*dev
= node
->minor
->dev
;
1527 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1529 if (!HAS_IPS(dev
)) {
1530 seq_puts(m
, "not supported\n");
1534 if (I915_READ(IPS_CTL
) & IPS_ENABLE
)
1535 seq_puts(m
, "enabled\n");
1537 seq_puts(m
, "disabled\n");
1542 static int i915_sr_status(struct seq_file
*m
, void *unused
)
1544 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1545 struct drm_device
*dev
= node
->minor
->dev
;
1546 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1547 bool sr_enabled
= false;
1549 if (HAS_PCH_SPLIT(dev
))
1550 sr_enabled
= I915_READ(WM1_LP_ILK
) & WM1_LP_SR_EN
;
1551 else if (IS_CRESTLINE(dev
) || IS_I945G(dev
) || IS_I945GM(dev
))
1552 sr_enabled
= I915_READ(FW_BLC_SELF
) & FW_BLC_SELF_EN
;
1553 else if (IS_I915GM(dev
))
1554 sr_enabled
= I915_READ(INSTPM
) & INSTPM_SELF_EN
;
1555 else if (IS_PINEVIEW(dev
))
1556 sr_enabled
= I915_READ(DSPFW3
) & PINEVIEW_SELF_REFRESH_EN
;
1558 seq_printf(m
, "self-refresh: %s\n",
1559 sr_enabled
? "enabled" : "disabled");
1564 static int i915_emon_status(struct seq_file
*m
, void *unused
)
1566 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1567 struct drm_device
*dev
= node
->minor
->dev
;
1568 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1569 unsigned long temp
, chipset
, gfx
;
1575 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1579 temp
= i915_mch_val(dev_priv
);
1580 chipset
= i915_chipset_val(dev_priv
);
1581 gfx
= i915_gfx_val(dev_priv
);
1582 mutex_unlock(&dev
->struct_mutex
);
1584 seq_printf(m
, "GMCH temp: %ld\n", temp
);
1585 seq_printf(m
, "Chipset power: %ld\n", chipset
);
1586 seq_printf(m
, "GFX power: %ld\n", gfx
);
1587 seq_printf(m
, "Total power: %ld\n", chipset
+ gfx
);
1592 static int i915_ring_freq_table(struct seq_file
*m
, void *unused
)
1594 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1595 struct drm_device
*dev
= node
->minor
->dev
;
1596 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1598 int gpu_freq
, ia_freq
;
1600 if (!(IS_GEN6(dev
) || IS_GEN7(dev
))) {
1601 seq_puts(m
, "unsupported on this chipset\n");
1605 ret
= mutex_lock_interruptible(&dev_priv
->rps
.hw_lock
);
1609 seq_puts(m
, "GPU freq (MHz)\tEffective CPU freq (MHz)\tEffective Ring freq (MHz)\n");
1611 for (gpu_freq
= dev_priv
->rps
.min_delay
;
1612 gpu_freq
<= dev_priv
->rps
.max_delay
;
1615 sandybridge_pcode_read(dev_priv
,
1616 GEN6_PCODE_READ_MIN_FREQ_TABLE
,
1618 seq_printf(m
, "%d\t\t%d\t\t\t\t%d\n",
1619 gpu_freq
* GT_FREQUENCY_MULTIPLIER
,
1620 ((ia_freq
>> 0) & 0xff) * 100,
1621 ((ia_freq
>> 8) & 0xff) * 100);
1624 mutex_unlock(&dev_priv
->rps
.hw_lock
);
1629 static int i915_gfxec(struct seq_file
*m
, void *unused
)
1631 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1632 struct drm_device
*dev
= node
->minor
->dev
;
1633 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1636 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1640 seq_printf(m
, "GFXEC: %ld\n", (unsigned long)I915_READ(0x112f4));
1642 mutex_unlock(&dev
->struct_mutex
);
1647 static int i915_opregion(struct seq_file
*m
, void *unused
)
1649 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1650 struct drm_device
*dev
= node
->minor
->dev
;
1651 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1652 struct intel_opregion
*opregion
= &dev_priv
->opregion
;
1653 void *data
= kmalloc(OPREGION_SIZE
, GFP_KERNEL
);
1659 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1663 if (opregion
->header
) {
1664 memcpy_fromio(data
, opregion
->header
, OPREGION_SIZE
);
1665 seq_write(m
, data
, OPREGION_SIZE
);
1668 mutex_unlock(&dev
->struct_mutex
);
1675 static int i915_gem_framebuffer_info(struct seq_file
*m
, void *data
)
1677 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1678 struct drm_device
*dev
= node
->minor
->dev
;
1679 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1680 struct intel_fbdev
*ifbdev
;
1681 struct intel_framebuffer
*fb
;
1684 ret
= mutex_lock_interruptible(&dev
->mode_config
.mutex
);
1688 ifbdev
= dev_priv
->fbdev
;
1689 fb
= to_intel_framebuffer(ifbdev
->helper
.fb
);
1691 seq_printf(m
, "fbcon size: %d x %d, depth %d, %d bpp, refcount %d, obj ",
1695 fb
->base
.bits_per_pixel
,
1696 atomic_read(&fb
->base
.refcount
.refcount
));
1697 describe_obj(m
, fb
->obj
);
1699 mutex_unlock(&dev
->mode_config
.mutex
);
1701 mutex_lock(&dev
->mode_config
.fb_lock
);
1702 list_for_each_entry(fb
, &dev
->mode_config
.fb_list
, base
.head
) {
1703 if (&fb
->base
== ifbdev
->helper
.fb
)
1706 seq_printf(m
, "user size: %d x %d, depth %d, %d bpp, refcount %d, obj ",
1710 fb
->base
.bits_per_pixel
,
1711 atomic_read(&fb
->base
.refcount
.refcount
));
1712 describe_obj(m
, fb
->obj
);
1715 mutex_unlock(&dev
->mode_config
.fb_lock
);
1720 static int i915_context_status(struct seq_file
*m
, void *unused
)
1722 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1723 struct drm_device
*dev
= node
->minor
->dev
;
1724 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1725 struct intel_ring_buffer
*ring
;
1728 ret
= mutex_lock_interruptible(&dev
->mode_config
.mutex
);
1732 if (dev_priv
->ips
.pwrctx
) {
1733 seq_puts(m
, "power context ");
1734 describe_obj(m
, dev_priv
->ips
.pwrctx
);
1738 if (dev_priv
->ips
.renderctx
) {
1739 seq_puts(m
, "render context ");
1740 describe_obj(m
, dev_priv
->ips
.renderctx
);
1744 for_each_ring(ring
, dev_priv
, i
) {
1745 if (ring
->default_context
) {
1746 seq_printf(m
, "HW default context %s ring ", ring
->name
);
1747 describe_obj(m
, ring
->default_context
->obj
);
1752 mutex_unlock(&dev
->mode_config
.mutex
);
1757 static int i915_gen6_forcewake_count_info(struct seq_file
*m
, void *data
)
1759 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1760 struct drm_device
*dev
= node
->minor
->dev
;
1761 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1762 unsigned forcewake_count
;
1764 spin_lock_irq(&dev_priv
->gt_lock
);
1765 forcewake_count
= dev_priv
->forcewake_count
;
1766 spin_unlock_irq(&dev_priv
->gt_lock
);
1768 seq_printf(m
, "forcewake count = %u\n", forcewake_count
);
1773 static const char *swizzle_string(unsigned swizzle
)
1776 case I915_BIT_6_SWIZZLE_NONE
:
1778 case I915_BIT_6_SWIZZLE_9
:
1780 case I915_BIT_6_SWIZZLE_9_10
:
1781 return "bit9/bit10";
1782 case I915_BIT_6_SWIZZLE_9_11
:
1783 return "bit9/bit11";
1784 case I915_BIT_6_SWIZZLE_9_10_11
:
1785 return "bit9/bit10/bit11";
1786 case I915_BIT_6_SWIZZLE_9_17
:
1787 return "bit9/bit17";
1788 case I915_BIT_6_SWIZZLE_9_10_17
:
1789 return "bit9/bit10/bit17";
1790 case I915_BIT_6_SWIZZLE_UNKNOWN
:
1797 static int i915_swizzle_info(struct seq_file
*m
, void *data
)
1799 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1800 struct drm_device
*dev
= node
->minor
->dev
;
1801 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1804 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1808 seq_printf(m
, "bit6 swizzle for X-tiling = %s\n",
1809 swizzle_string(dev_priv
->mm
.bit_6_swizzle_x
));
1810 seq_printf(m
, "bit6 swizzle for Y-tiling = %s\n",
1811 swizzle_string(dev_priv
->mm
.bit_6_swizzle_y
));
1813 if (IS_GEN3(dev
) || IS_GEN4(dev
)) {
1814 seq_printf(m
, "DDC = 0x%08x\n",
1816 seq_printf(m
, "C0DRB3 = 0x%04x\n",
1817 I915_READ16(C0DRB3
));
1818 seq_printf(m
, "C1DRB3 = 0x%04x\n",
1819 I915_READ16(C1DRB3
));
1820 } else if (IS_GEN6(dev
) || IS_GEN7(dev
)) {
1821 seq_printf(m
, "MAD_DIMM_C0 = 0x%08x\n",
1822 I915_READ(MAD_DIMM_C0
));
1823 seq_printf(m
, "MAD_DIMM_C1 = 0x%08x\n",
1824 I915_READ(MAD_DIMM_C1
));
1825 seq_printf(m
, "MAD_DIMM_C2 = 0x%08x\n",
1826 I915_READ(MAD_DIMM_C2
));
1827 seq_printf(m
, "TILECTL = 0x%08x\n",
1828 I915_READ(TILECTL
));
1829 seq_printf(m
, "ARB_MODE = 0x%08x\n",
1830 I915_READ(ARB_MODE
));
1831 seq_printf(m
, "DISP_ARB_CTL = 0x%08x\n",
1832 I915_READ(DISP_ARB_CTL
));
1834 mutex_unlock(&dev
->struct_mutex
);
1839 static int i915_ppgtt_info(struct seq_file
*m
, void *data
)
1841 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1842 struct drm_device
*dev
= node
->minor
->dev
;
1843 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1844 struct intel_ring_buffer
*ring
;
1848 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1851 if (INTEL_INFO(dev
)->gen
== 6)
1852 seq_printf(m
, "GFX_MODE: 0x%08x\n", I915_READ(GFX_MODE
));
1854 for_each_ring(ring
, dev_priv
, i
) {
1855 seq_printf(m
, "%s\n", ring
->name
);
1856 if (INTEL_INFO(dev
)->gen
== 7)
1857 seq_printf(m
, "GFX_MODE: 0x%08x\n", I915_READ(RING_MODE_GEN7(ring
)));
1858 seq_printf(m
, "PP_DIR_BASE: 0x%08x\n", I915_READ(RING_PP_DIR_BASE(ring
)));
1859 seq_printf(m
, "PP_DIR_BASE_READ: 0x%08x\n", I915_READ(RING_PP_DIR_BASE_READ(ring
)));
1860 seq_printf(m
, "PP_DIR_DCLV: 0x%08x\n", I915_READ(RING_PP_DIR_DCLV(ring
)));
1862 if (dev_priv
->mm
.aliasing_ppgtt
) {
1863 struct i915_hw_ppgtt
*ppgtt
= dev_priv
->mm
.aliasing_ppgtt
;
1865 seq_puts(m
, "aliasing PPGTT:\n");
1866 seq_printf(m
, "pd gtt offset: 0x%08x\n", ppgtt
->pd_offset
);
1868 seq_printf(m
, "ECOCHK: 0x%08x\n", I915_READ(GAM_ECOCHK
));
1869 mutex_unlock(&dev
->struct_mutex
);
1874 static int i915_dpio_info(struct seq_file
*m
, void *data
)
1876 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1877 struct drm_device
*dev
= node
->minor
->dev
;
1878 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1882 if (!IS_VALLEYVIEW(dev
)) {
1883 seq_puts(m
, "unsupported\n");
1887 ret
= mutex_lock_interruptible(&dev_priv
->dpio_lock
);
1891 seq_printf(m
, "DPIO_CTL: 0x%08x\n", I915_READ(DPIO_CTL
));
1893 seq_printf(m
, "DPIO_DIV_A: 0x%08x\n",
1894 vlv_dpio_read(dev_priv
, _DPIO_DIV_A
));
1895 seq_printf(m
, "DPIO_DIV_B: 0x%08x\n",
1896 vlv_dpio_read(dev_priv
, _DPIO_DIV_B
));
1898 seq_printf(m
, "DPIO_REFSFR_A: 0x%08x\n",
1899 vlv_dpio_read(dev_priv
, _DPIO_REFSFR_A
));
1900 seq_printf(m
, "DPIO_REFSFR_B: 0x%08x\n",
1901 vlv_dpio_read(dev_priv
, _DPIO_REFSFR_B
));
1903 seq_printf(m
, "DPIO_CORE_CLK_A: 0x%08x\n",
1904 vlv_dpio_read(dev_priv
, _DPIO_CORE_CLK_A
));
1905 seq_printf(m
, "DPIO_CORE_CLK_B: 0x%08x\n",
1906 vlv_dpio_read(dev_priv
, _DPIO_CORE_CLK_B
));
1908 seq_printf(m
, "DPIO_LPF_COEFF_A: 0x%08x\n",
1909 vlv_dpio_read(dev_priv
, _DPIO_LPF_COEFF_A
));
1910 seq_printf(m
, "DPIO_LPF_COEFF_B: 0x%08x\n",
1911 vlv_dpio_read(dev_priv
, _DPIO_LPF_COEFF_B
));
1913 seq_printf(m
, "DPIO_FASTCLK_DISABLE: 0x%08x\n",
1914 vlv_dpio_read(dev_priv
, DPIO_FASTCLK_DISABLE
));
1916 mutex_unlock(&dev_priv
->dpio_lock
);
1922 i915_wedged_get(void *data
, u64
*val
)
1924 struct drm_device
*dev
= data
;
1925 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1927 *val
= atomic_read(&dev_priv
->gpu_error
.reset_counter
);
1933 i915_wedged_set(void *data
, u64 val
)
1935 struct drm_device
*dev
= data
;
1937 DRM_INFO("Manually setting wedged to %llu\n", val
);
1938 i915_handle_error(dev
, val
);
1943 DEFINE_SIMPLE_ATTRIBUTE(i915_wedged_fops
,
1944 i915_wedged_get
, i915_wedged_set
,
1948 i915_ring_stop_get(void *data
, u64
*val
)
1950 struct drm_device
*dev
= data
;
1951 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1953 *val
= dev_priv
->gpu_error
.stop_rings
;
1959 i915_ring_stop_set(void *data
, u64 val
)
1961 struct drm_device
*dev
= data
;
1962 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1965 DRM_DEBUG_DRIVER("Stopping rings 0x%08llx\n", val
);
1967 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1971 dev_priv
->gpu_error
.stop_rings
= val
;
1972 mutex_unlock(&dev
->struct_mutex
);
1977 DEFINE_SIMPLE_ATTRIBUTE(i915_ring_stop_fops
,
1978 i915_ring_stop_get
, i915_ring_stop_set
,
1981 #define DROP_UNBOUND 0x1
1982 #define DROP_BOUND 0x2
1983 #define DROP_RETIRE 0x4
1984 #define DROP_ACTIVE 0x8
1985 #define DROP_ALL (DROP_UNBOUND | \
1990 i915_drop_caches_get(void *data
, u64
*val
)
1998 i915_drop_caches_set(void *data
, u64 val
)
2000 struct drm_device
*dev
= data
;
2001 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2002 struct drm_i915_gem_object
*obj
, *next
;
2005 DRM_DEBUG_DRIVER("Dropping caches: 0x%08llx\n", val
);
2007 /* No need to check and wait for gpu resets, only libdrm auto-restarts
2008 * on ioctls on -EAGAIN. */
2009 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
2013 if (val
& DROP_ACTIVE
) {
2014 ret
= i915_gpu_idle(dev
);
2019 if (val
& (DROP_RETIRE
| DROP_ACTIVE
))
2020 i915_gem_retire_requests(dev
);
2022 if (val
& DROP_BOUND
) {
2023 list_for_each_entry_safe(obj
, next
, &dev_priv
->mm
.inactive_list
, mm_list
)
2024 if (obj
->pin_count
== 0) {
2025 ret
= i915_gem_object_unbind(obj
);
2031 if (val
& DROP_UNBOUND
) {
2032 list_for_each_entry_safe(obj
, next
, &dev_priv
->mm
.unbound_list
,
2034 if (obj
->pages_pin_count
== 0) {
2035 ret
= i915_gem_object_put_pages(obj
);
2042 mutex_unlock(&dev
->struct_mutex
);
2047 DEFINE_SIMPLE_ATTRIBUTE(i915_drop_caches_fops
,
2048 i915_drop_caches_get
, i915_drop_caches_set
,
2052 i915_max_freq_get(void *data
, u64
*val
)
2054 struct drm_device
*dev
= data
;
2055 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
2058 if (!(IS_GEN6(dev
) || IS_GEN7(dev
)))
2061 ret
= mutex_lock_interruptible(&dev_priv
->rps
.hw_lock
);
2065 if (IS_VALLEYVIEW(dev
))
2066 *val
= vlv_gpu_freq(dev_priv
->mem_freq
,
2067 dev_priv
->rps
.max_delay
);
2069 *val
= dev_priv
->rps
.max_delay
* GT_FREQUENCY_MULTIPLIER
;
2070 mutex_unlock(&dev_priv
->rps
.hw_lock
);
2076 i915_max_freq_set(void *data
, u64 val
)
2078 struct drm_device
*dev
= data
;
2079 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2082 if (!(IS_GEN6(dev
) || IS_GEN7(dev
)))
2085 DRM_DEBUG_DRIVER("Manually setting max freq to %llu\n", val
);
2087 ret
= mutex_lock_interruptible(&dev_priv
->rps
.hw_lock
);
2092 * Turbo will still be enabled, but won't go above the set value.
2094 if (IS_VALLEYVIEW(dev
)) {
2095 val
= vlv_freq_opcode(dev_priv
->mem_freq
, val
);
2096 dev_priv
->rps
.max_delay
= val
;
2097 gen6_set_rps(dev
, val
);
2099 do_div(val
, GT_FREQUENCY_MULTIPLIER
);
2100 dev_priv
->rps
.max_delay
= val
;
2101 gen6_set_rps(dev
, val
);
2104 mutex_unlock(&dev_priv
->rps
.hw_lock
);
2109 DEFINE_SIMPLE_ATTRIBUTE(i915_max_freq_fops
,
2110 i915_max_freq_get
, i915_max_freq_set
,
2114 i915_min_freq_get(void *data
, u64
*val
)
2116 struct drm_device
*dev
= data
;
2117 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
2120 if (!(IS_GEN6(dev
) || IS_GEN7(dev
)))
2123 ret
= mutex_lock_interruptible(&dev_priv
->rps
.hw_lock
);
2127 if (IS_VALLEYVIEW(dev
))
2128 *val
= vlv_gpu_freq(dev_priv
->mem_freq
,
2129 dev_priv
->rps
.min_delay
);
2131 *val
= dev_priv
->rps
.min_delay
* GT_FREQUENCY_MULTIPLIER
;
2132 mutex_unlock(&dev_priv
->rps
.hw_lock
);
2138 i915_min_freq_set(void *data
, u64 val
)
2140 struct drm_device
*dev
= data
;
2141 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2144 if (!(IS_GEN6(dev
) || IS_GEN7(dev
)))
2147 DRM_DEBUG_DRIVER("Manually setting min freq to %llu\n", val
);
2149 ret
= mutex_lock_interruptible(&dev_priv
->rps
.hw_lock
);
2154 * Turbo will still be enabled, but won't go below the set value.
2156 if (IS_VALLEYVIEW(dev
)) {
2157 val
= vlv_freq_opcode(dev_priv
->mem_freq
, val
);
2158 dev_priv
->rps
.min_delay
= val
;
2159 valleyview_set_rps(dev
, val
);
2161 do_div(val
, GT_FREQUENCY_MULTIPLIER
);
2162 dev_priv
->rps
.min_delay
= val
;
2163 gen6_set_rps(dev
, val
);
2165 mutex_unlock(&dev_priv
->rps
.hw_lock
);
2170 DEFINE_SIMPLE_ATTRIBUTE(i915_min_freq_fops
,
2171 i915_min_freq_get
, i915_min_freq_set
,
2175 i915_cache_sharing_get(void *data
, u64
*val
)
2177 struct drm_device
*dev
= data
;
2178 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
2182 if (!(IS_GEN6(dev
) || IS_GEN7(dev
)))
2185 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
2189 snpcr
= I915_READ(GEN6_MBCUNIT_SNPCR
);
2190 mutex_unlock(&dev_priv
->dev
->struct_mutex
);
2192 *val
= (snpcr
& GEN6_MBC_SNPCR_MASK
) >> GEN6_MBC_SNPCR_SHIFT
;
2198 i915_cache_sharing_set(void *data
, u64 val
)
2200 struct drm_device
*dev
= data
;
2201 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2204 if (!(IS_GEN6(dev
) || IS_GEN7(dev
)))
2210 DRM_DEBUG_DRIVER("Manually setting uncore sharing to %llu\n", val
);
2212 /* Update the cache sharing policy here as well */
2213 snpcr
= I915_READ(GEN6_MBCUNIT_SNPCR
);
2214 snpcr
&= ~GEN6_MBC_SNPCR_MASK
;
2215 snpcr
|= (val
<< GEN6_MBC_SNPCR_SHIFT
);
2216 I915_WRITE(GEN6_MBCUNIT_SNPCR
, snpcr
);
2221 DEFINE_SIMPLE_ATTRIBUTE(i915_cache_sharing_fops
,
2222 i915_cache_sharing_get
, i915_cache_sharing_set
,
2225 /* As the drm_debugfs_init() routines are called before dev->dev_private is
2226 * allocated we need to hook into the minor for release. */
2228 drm_add_fake_info_node(struct drm_minor
*minor
,
2232 struct drm_info_node
*node
;
2234 node
= kmalloc(sizeof(struct drm_info_node
), GFP_KERNEL
);
2236 debugfs_remove(ent
);
2240 node
->minor
= minor
;
2242 node
->info_ent
= (void *) key
;
2244 mutex_lock(&minor
->debugfs_lock
);
2245 list_add(&node
->list
, &minor
->debugfs_list
);
2246 mutex_unlock(&minor
->debugfs_lock
);
2251 static int i915_forcewake_open(struct inode
*inode
, struct file
*file
)
2253 struct drm_device
*dev
= inode
->i_private
;
2254 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2256 if (INTEL_INFO(dev
)->gen
< 6)
2259 gen6_gt_force_wake_get(dev_priv
);
2264 static int i915_forcewake_release(struct inode
*inode
, struct file
*file
)
2266 struct drm_device
*dev
= inode
->i_private
;
2267 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2269 if (INTEL_INFO(dev
)->gen
< 6)
2272 gen6_gt_force_wake_put(dev_priv
);
2277 static const struct file_operations i915_forcewake_fops
= {
2278 .owner
= THIS_MODULE
,
2279 .open
= i915_forcewake_open
,
2280 .release
= i915_forcewake_release
,
2283 static int i915_forcewake_create(struct dentry
*root
, struct drm_minor
*minor
)
2285 struct drm_device
*dev
= minor
->dev
;
2288 ent
= debugfs_create_file("i915_forcewake_user",
2291 &i915_forcewake_fops
);
2293 return PTR_ERR(ent
);
2295 return drm_add_fake_info_node(minor
, ent
, &i915_forcewake_fops
);
2298 static int i915_debugfs_create(struct dentry
*root
,
2299 struct drm_minor
*minor
,
2301 const struct file_operations
*fops
)
2303 struct drm_device
*dev
= minor
->dev
;
2306 ent
= debugfs_create_file(name
,
2311 return PTR_ERR(ent
);
2313 return drm_add_fake_info_node(minor
, ent
, fops
);
2316 static struct drm_info_list i915_debugfs_list
[] = {
2317 {"i915_capabilities", i915_capabilities
, 0},
2318 {"i915_gem_objects", i915_gem_object_info
, 0},
2319 {"i915_gem_gtt", i915_gem_gtt_info
, 0},
2320 {"i915_gem_pinned", i915_gem_gtt_info
, 0, (void *) PINNED_LIST
},
2321 {"i915_gem_active", i915_gem_object_list_info
, 0, (void *) ACTIVE_LIST
},
2322 {"i915_gem_inactive", i915_gem_object_list_info
, 0, (void *) INACTIVE_LIST
},
2323 {"i915_gem_pageflip", i915_gem_pageflip_info
, 0},
2324 {"i915_gem_request", i915_gem_request_info
, 0},
2325 {"i915_gem_seqno", i915_gem_seqno_info
, 0},
2326 {"i915_gem_fence_regs", i915_gem_fence_regs_info
, 0},
2327 {"i915_gem_interrupt", i915_interrupt_info
, 0},
2328 {"i915_gem_hws", i915_hws_info
, 0, (void *)RCS
},
2329 {"i915_gem_hws_blt", i915_hws_info
, 0, (void *)BCS
},
2330 {"i915_gem_hws_bsd", i915_hws_info
, 0, (void *)VCS
},
2331 {"i915_gem_hws_vebox", i915_hws_info
, 0, (void *)VECS
},
2332 {"i915_rstdby_delays", i915_rstdby_delays
, 0},
2333 {"i915_cur_delayinfo", i915_cur_delayinfo
, 0},
2334 {"i915_delayfreq_table", i915_delayfreq_table
, 0},
2335 {"i915_inttoext_table", i915_inttoext_table
, 0},
2336 {"i915_drpc_info", i915_drpc_info
, 0},
2337 {"i915_emon_status", i915_emon_status
, 0},
2338 {"i915_ring_freq_table", i915_ring_freq_table
, 0},
2339 {"i915_gfxec", i915_gfxec
, 0},
2340 {"i915_fbc_status", i915_fbc_status
, 0},
2341 {"i915_ips_status", i915_ips_status
, 0},
2342 {"i915_sr_status", i915_sr_status
, 0},
2343 {"i915_opregion", i915_opregion
, 0},
2344 {"i915_gem_framebuffer", i915_gem_framebuffer_info
, 0},
2345 {"i915_context_status", i915_context_status
, 0},
2346 {"i915_gen6_forcewake_count", i915_gen6_forcewake_count_info
, 0},
2347 {"i915_swizzle_info", i915_swizzle_info
, 0},
2348 {"i915_ppgtt_info", i915_ppgtt_info
, 0},
2349 {"i915_dpio", i915_dpio_info
, 0},
2351 #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
2353 int i915_debugfs_init(struct drm_minor
*minor
)
2357 ret
= i915_debugfs_create(minor
->debugfs_root
, minor
,
2363 ret
= i915_forcewake_create(minor
->debugfs_root
, minor
);
2367 ret
= i915_debugfs_create(minor
->debugfs_root
, minor
,
2369 &i915_max_freq_fops
);
2373 ret
= i915_debugfs_create(minor
->debugfs_root
, minor
,
2375 &i915_min_freq_fops
);
2379 ret
= i915_debugfs_create(minor
->debugfs_root
, minor
,
2380 "i915_cache_sharing",
2381 &i915_cache_sharing_fops
);
2385 ret
= i915_debugfs_create(minor
->debugfs_root
, minor
,
2387 &i915_ring_stop_fops
);
2391 ret
= i915_debugfs_create(minor
->debugfs_root
, minor
,
2392 "i915_gem_drop_caches",
2393 &i915_drop_caches_fops
);
2397 ret
= i915_debugfs_create(minor
->debugfs_root
, minor
,
2399 &i915_error_state_fops
);
2403 ret
= i915_debugfs_create(minor
->debugfs_root
, minor
,
2405 &i915_next_seqno_fops
);
2409 return drm_debugfs_create_files(i915_debugfs_list
,
2410 I915_DEBUGFS_ENTRIES
,
2411 minor
->debugfs_root
, minor
);
2414 void i915_debugfs_cleanup(struct drm_minor
*minor
)
2416 drm_debugfs_remove_files(i915_debugfs_list
,
2417 I915_DEBUGFS_ENTRIES
, minor
);
2418 drm_debugfs_remove_files((struct drm_info_list
*) &i915_forcewake_fops
,
2420 drm_debugfs_remove_files((struct drm_info_list
*) &i915_wedged_fops
,
2422 drm_debugfs_remove_files((struct drm_info_list
*) &i915_max_freq_fops
,
2424 drm_debugfs_remove_files((struct drm_info_list
*) &i915_min_freq_fops
,
2426 drm_debugfs_remove_files((struct drm_info_list
*) &i915_cache_sharing_fops
,
2428 drm_debugfs_remove_files((struct drm_info_list
*) &i915_drop_caches_fops
,
2430 drm_debugfs_remove_files((struct drm_info_list
*) &i915_ring_stop_fops
,
2432 drm_debugfs_remove_files((struct drm_info_list
*) &i915_error_state_fops
,
2434 drm_debugfs_remove_files((struct drm_info_list
*) &i915_next_seqno_fops
,
2438 #endif /* CONFIG_DEBUG_FS */