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 <linux/list_sort.h>
34 #include <asm/msr-index.h>
36 #include "intel_drv.h"
37 #include "intel_ringbuffer.h"
38 #include <drm/i915_drm.h>
41 #if defined(CONFIG_DEBUG_FS)
49 static const char *yesno(int v
)
51 return v
? "yes" : "no";
54 static int i915_capabilities(struct seq_file
*m
, void *data
)
56 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
57 struct drm_device
*dev
= node
->minor
->dev
;
58 const struct intel_device_info
*info
= INTEL_INFO(dev
);
60 seq_printf(m
, "gen: %d\n", info
->gen
);
61 seq_printf(m
, "pch: %d\n", INTEL_PCH_TYPE(dev
));
62 #define PRINT_FLAG(x) seq_printf(m, #x ": %s\n", yesno(info->x))
63 #define SEP_SEMICOLON ;
64 DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG
, SEP_SEMICOLON
);
71 static const char *get_pin_flag(struct drm_i915_gem_object
*obj
)
73 if (obj
->user_pin_count
> 0)
75 else if (obj
->pin_count
> 0)
81 static const char *get_tiling_flag(struct drm_i915_gem_object
*obj
)
83 switch (obj
->tiling_mode
) {
85 case I915_TILING_NONE
: return " ";
86 case I915_TILING_X
: return "X";
87 case I915_TILING_Y
: return "Y";
91 static inline const char *get_global_flag(struct drm_i915_gem_object
*obj
)
93 return obj
->has_global_gtt_mapping
? "g" : " ";
97 describe_obj(struct seq_file
*m
, struct drm_i915_gem_object
*obj
)
100 seq_printf(m
, "%pK: %s%s%s %8zdKiB %02x %02x %u %u %u%s%s%s",
103 get_tiling_flag(obj
),
104 get_global_flag(obj
),
105 obj
->base
.size
/ 1024,
106 obj
->base
.read_domains
,
107 obj
->base
.write_domain
,
108 obj
->last_read_seqno
,
109 obj
->last_write_seqno
,
110 obj
->last_fenced_seqno
,
111 i915_cache_level_str(obj
->cache_level
),
112 obj
->dirty
? " dirty" : "",
113 obj
->madv
== I915_MADV_DONTNEED
? " purgeable" : "");
115 seq_printf(m
, " (name: %d)", obj
->base
.name
);
117 seq_printf(m
, " (pinned x %d)", obj
->pin_count
);
118 if (obj
->pin_display
)
119 seq_printf(m
, " (display)");
120 if (obj
->fence_reg
!= I915_FENCE_REG_NONE
)
121 seq_printf(m
, " (fence: %d)", obj
->fence_reg
);
122 list_for_each_entry(vma
, &obj
->vma_list
, vma_link
) {
123 if (!i915_is_ggtt(vma
->vm
))
127 seq_printf(m
, "gtt offset: %08lx, size: %08lx)",
128 vma
->node
.start
, vma
->node
.size
);
131 seq_printf(m
, " (stolen: %08lx)", obj
->stolen
->start
);
132 if (obj
->pin_mappable
|| obj
->fault_mappable
) {
134 if (obj
->pin_mappable
)
136 if (obj
->fault_mappable
)
139 seq_printf(m
, " (%s mappable)", s
);
141 if (obj
->ring
!= NULL
)
142 seq_printf(m
, " (%s)", obj
->ring
->name
);
145 static void describe_ctx(struct seq_file
*m
, struct i915_hw_context
*ctx
)
147 seq_putc(m
, ctx
->is_initialized
? 'I' : 'i');
148 seq_putc(m
, ctx
->remap_slice
? 'R' : 'r');
152 static int i915_gem_object_list_info(struct seq_file
*m
, void *data
)
154 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
155 uintptr_t list
= (uintptr_t) node
->info_ent
->data
;
156 struct list_head
*head
;
157 struct drm_device
*dev
= node
->minor
->dev
;
158 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
159 struct i915_address_space
*vm
= &dev_priv
->gtt
.base
;
160 struct i915_vma
*vma
;
161 size_t total_obj_size
, total_gtt_size
;
164 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
168 /* FIXME: the user of this interface might want more than just GGTT */
171 seq_puts(m
, "Active:\n");
172 head
= &vm
->active_list
;
175 seq_puts(m
, "Inactive:\n");
176 head
= &vm
->inactive_list
;
179 mutex_unlock(&dev
->struct_mutex
);
183 total_obj_size
= total_gtt_size
= count
= 0;
184 list_for_each_entry(vma
, head
, mm_list
) {
186 describe_obj(m
, vma
->obj
);
188 total_obj_size
+= vma
->obj
->base
.size
;
189 total_gtt_size
+= vma
->node
.size
;
192 mutex_unlock(&dev
->struct_mutex
);
194 seq_printf(m
, "Total %d objects, %zu bytes, %zu GTT size\n",
195 count
, total_obj_size
, total_gtt_size
);
199 static int obj_rank_by_stolen(void *priv
,
200 struct list_head
*A
, struct list_head
*B
)
202 struct drm_i915_gem_object
*a
=
203 container_of(A
, struct drm_i915_gem_object
, obj_exec_link
);
204 struct drm_i915_gem_object
*b
=
205 container_of(B
, struct drm_i915_gem_object
, obj_exec_link
);
207 return a
->stolen
->start
- b
->stolen
->start
;
210 static int i915_gem_stolen_list_info(struct seq_file
*m
, void *data
)
212 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
213 struct drm_device
*dev
= node
->minor
->dev
;
214 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
215 struct drm_i915_gem_object
*obj
;
216 size_t total_obj_size
, total_gtt_size
;
220 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
224 total_obj_size
= total_gtt_size
= count
= 0;
225 list_for_each_entry(obj
, &dev_priv
->mm
.bound_list
, global_list
) {
226 if (obj
->stolen
== NULL
)
229 list_add(&obj
->obj_exec_link
, &stolen
);
231 total_obj_size
+= obj
->base
.size
;
232 total_gtt_size
+= i915_gem_obj_ggtt_size(obj
);
235 list_for_each_entry(obj
, &dev_priv
->mm
.unbound_list
, global_list
) {
236 if (obj
->stolen
== NULL
)
239 list_add(&obj
->obj_exec_link
, &stolen
);
241 total_obj_size
+= obj
->base
.size
;
244 list_sort(NULL
, &stolen
, obj_rank_by_stolen
);
245 seq_puts(m
, "Stolen:\n");
246 while (!list_empty(&stolen
)) {
247 obj
= list_first_entry(&stolen
, typeof(*obj
), obj_exec_link
);
249 describe_obj(m
, obj
);
251 list_del_init(&obj
->obj_exec_link
);
253 mutex_unlock(&dev
->struct_mutex
);
255 seq_printf(m
, "Total %d objects, %zu bytes, %zu GTT size\n",
256 count
, total_obj_size
, total_gtt_size
);
260 #define count_objects(list, member) do { \
261 list_for_each_entry(obj, list, member) { \
262 size += i915_gem_obj_ggtt_size(obj); \
264 if (obj->map_and_fenceable) { \
265 mappable_size += i915_gem_obj_ggtt_size(obj); \
273 size_t total
, active
, inactive
, unbound
;
276 static int per_file_stats(int id
, void *ptr
, void *data
)
278 struct drm_i915_gem_object
*obj
= ptr
;
279 struct file_stats
*stats
= data
;
282 stats
->total
+= obj
->base
.size
;
284 if (i915_gem_obj_ggtt_bound(obj
)) {
285 if (!list_empty(&obj
->ring_list
))
286 stats
->active
+= obj
->base
.size
;
288 stats
->inactive
+= obj
->base
.size
;
290 if (!list_empty(&obj
->global_list
))
291 stats
->unbound
+= obj
->base
.size
;
297 #define count_vmas(list, member) do { \
298 list_for_each_entry(vma, list, member) { \
299 size += i915_gem_obj_ggtt_size(vma->obj); \
301 if (vma->obj->map_and_fenceable) { \
302 mappable_size += i915_gem_obj_ggtt_size(vma->obj); \
308 static int i915_gem_object_info(struct seq_file
*m
, void* data
)
310 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
311 struct drm_device
*dev
= node
->minor
->dev
;
312 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
313 u32 count
, mappable_count
, purgeable_count
;
314 size_t size
, mappable_size
, purgeable_size
;
315 struct drm_i915_gem_object
*obj
;
316 struct i915_address_space
*vm
= &dev_priv
->gtt
.base
;
317 struct drm_file
*file
;
318 struct i915_vma
*vma
;
321 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
325 seq_printf(m
, "%u objects, %zu bytes\n",
326 dev_priv
->mm
.object_count
,
327 dev_priv
->mm
.object_memory
);
329 size
= count
= mappable_size
= mappable_count
= 0;
330 count_objects(&dev_priv
->mm
.bound_list
, global_list
);
331 seq_printf(m
, "%u [%u] objects, %zu [%zu] bytes in gtt\n",
332 count
, mappable_count
, size
, mappable_size
);
334 size
= count
= mappable_size
= mappable_count
= 0;
335 count_vmas(&vm
->active_list
, mm_list
);
336 seq_printf(m
, " %u [%u] active objects, %zu [%zu] bytes\n",
337 count
, mappable_count
, size
, mappable_size
);
339 size
= count
= mappable_size
= mappable_count
= 0;
340 count_vmas(&vm
->inactive_list
, mm_list
);
341 seq_printf(m
, " %u [%u] inactive objects, %zu [%zu] bytes\n",
342 count
, mappable_count
, size
, mappable_size
);
344 size
= count
= purgeable_size
= purgeable_count
= 0;
345 list_for_each_entry(obj
, &dev_priv
->mm
.unbound_list
, global_list
) {
346 size
+= obj
->base
.size
, ++count
;
347 if (obj
->madv
== I915_MADV_DONTNEED
)
348 purgeable_size
+= obj
->base
.size
, ++purgeable_count
;
350 seq_printf(m
, "%u unbound objects, %zu bytes\n", count
, size
);
352 size
= count
= mappable_size
= mappable_count
= 0;
353 list_for_each_entry(obj
, &dev_priv
->mm
.bound_list
, global_list
) {
354 if (obj
->fault_mappable
) {
355 size
+= i915_gem_obj_ggtt_size(obj
);
358 if (obj
->pin_mappable
) {
359 mappable_size
+= i915_gem_obj_ggtt_size(obj
);
362 if (obj
->madv
== I915_MADV_DONTNEED
) {
363 purgeable_size
+= obj
->base
.size
;
367 seq_printf(m
, "%u purgeable objects, %zu bytes\n",
368 purgeable_count
, purgeable_size
);
369 seq_printf(m
, "%u pinned mappable objects, %zu bytes\n",
370 mappable_count
, mappable_size
);
371 seq_printf(m
, "%u fault mappable objects, %zu bytes\n",
374 seq_printf(m
, "%zu [%lu] gtt total\n",
375 dev_priv
->gtt
.base
.total
,
376 dev_priv
->gtt
.mappable_end
- dev_priv
->gtt
.base
.start
);
379 list_for_each_entry_reverse(file
, &dev
->filelist
, lhead
) {
380 struct file_stats stats
;
382 memset(&stats
, 0, sizeof(stats
));
383 idr_for_each(&file
->object_idr
, per_file_stats
, &stats
);
384 seq_printf(m
, "%s: %u objects, %zu bytes (%zu active, %zu inactive, %zu unbound)\n",
385 get_pid_task(file
->pid
, PIDTYPE_PID
)->comm
,
393 mutex_unlock(&dev
->struct_mutex
);
398 static int i915_gem_gtt_info(struct seq_file
*m
, void *data
)
400 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
401 struct drm_device
*dev
= node
->minor
->dev
;
402 uintptr_t list
= (uintptr_t) node
->info_ent
->data
;
403 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
404 struct drm_i915_gem_object
*obj
;
405 size_t total_obj_size
, total_gtt_size
;
408 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
412 total_obj_size
= total_gtt_size
= count
= 0;
413 list_for_each_entry(obj
, &dev_priv
->mm
.bound_list
, global_list
) {
414 if (list
== PINNED_LIST
&& obj
->pin_count
== 0)
418 describe_obj(m
, obj
);
420 total_obj_size
+= obj
->base
.size
;
421 total_gtt_size
+= i915_gem_obj_ggtt_size(obj
);
425 mutex_unlock(&dev
->struct_mutex
);
427 seq_printf(m
, "Total %d objects, %zu bytes, %zu GTT size\n",
428 count
, total_obj_size
, total_gtt_size
);
433 static int i915_gem_pageflip_info(struct seq_file
*m
, void *data
)
435 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
436 struct drm_device
*dev
= node
->minor
->dev
;
438 struct intel_crtc
*crtc
;
440 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, base
.head
) {
441 const char pipe
= pipe_name(crtc
->pipe
);
442 const char plane
= plane_name(crtc
->plane
);
443 struct intel_unpin_work
*work
;
445 spin_lock_irqsave(&dev
->event_lock
, flags
);
446 work
= crtc
->unpin_work
;
448 seq_printf(m
, "No flip due on pipe %c (plane %c)\n",
451 if (atomic_read(&work
->pending
) < INTEL_FLIP_COMPLETE
) {
452 seq_printf(m
, "Flip queued on pipe %c (plane %c)\n",
455 seq_printf(m
, "Flip pending (waiting for vsync) on pipe %c (plane %c)\n",
458 if (work
->enable_stall_check
)
459 seq_puts(m
, "Stall check enabled, ");
461 seq_puts(m
, "Stall check waiting for page flip ioctl, ");
462 seq_printf(m
, "%d prepares\n", atomic_read(&work
->pending
));
464 if (work
->old_fb_obj
) {
465 struct drm_i915_gem_object
*obj
= work
->old_fb_obj
;
467 seq_printf(m
, "Old framebuffer gtt_offset 0x%08lx\n",
468 i915_gem_obj_ggtt_offset(obj
));
470 if (work
->pending_flip_obj
) {
471 struct drm_i915_gem_object
*obj
= work
->pending_flip_obj
;
473 seq_printf(m
, "New framebuffer gtt_offset 0x%08lx\n",
474 i915_gem_obj_ggtt_offset(obj
));
477 spin_unlock_irqrestore(&dev
->event_lock
, flags
);
483 static int i915_gem_request_info(struct seq_file
*m
, void *data
)
485 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
486 struct drm_device
*dev
= node
->minor
->dev
;
487 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
488 struct intel_ring_buffer
*ring
;
489 struct drm_i915_gem_request
*gem_request
;
492 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
497 for_each_ring(ring
, dev_priv
, i
) {
498 if (list_empty(&ring
->request_list
))
501 seq_printf(m
, "%s requests:\n", ring
->name
);
502 list_for_each_entry(gem_request
,
505 seq_printf(m
, " %d @ %d\n",
507 (int) (jiffies
- gem_request
->emitted_jiffies
));
511 mutex_unlock(&dev
->struct_mutex
);
514 seq_puts(m
, "No requests\n");
519 static void i915_ring_seqno_info(struct seq_file
*m
,
520 struct intel_ring_buffer
*ring
)
522 if (ring
->get_seqno
) {
523 seq_printf(m
, "Current sequence (%s): %u\n",
524 ring
->name
, ring
->get_seqno(ring
, false));
528 static int i915_gem_seqno_info(struct seq_file
*m
, void *data
)
530 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
531 struct drm_device
*dev
= node
->minor
->dev
;
532 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
533 struct intel_ring_buffer
*ring
;
536 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
540 for_each_ring(ring
, dev_priv
, i
)
541 i915_ring_seqno_info(m
, ring
);
543 mutex_unlock(&dev
->struct_mutex
);
549 static int i915_interrupt_info(struct seq_file
*m
, void *data
)
551 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
552 struct drm_device
*dev
= node
->minor
->dev
;
553 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
554 struct intel_ring_buffer
*ring
;
557 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
561 if (IS_VALLEYVIEW(dev
)) {
562 seq_printf(m
, "Display IER:\t%08x\n",
564 seq_printf(m
, "Display IIR:\t%08x\n",
566 seq_printf(m
, "Display IIR_RW:\t%08x\n",
567 I915_READ(VLV_IIR_RW
));
568 seq_printf(m
, "Display IMR:\t%08x\n",
571 seq_printf(m
, "Pipe %c stat:\t%08x\n",
573 I915_READ(PIPESTAT(pipe
)));
575 seq_printf(m
, "Master IER:\t%08x\n",
576 I915_READ(VLV_MASTER_IER
));
578 seq_printf(m
, "Render IER:\t%08x\n",
580 seq_printf(m
, "Render IIR:\t%08x\n",
582 seq_printf(m
, "Render IMR:\t%08x\n",
585 seq_printf(m
, "PM IER:\t\t%08x\n",
586 I915_READ(GEN6_PMIER
));
587 seq_printf(m
, "PM IIR:\t\t%08x\n",
588 I915_READ(GEN6_PMIIR
));
589 seq_printf(m
, "PM IMR:\t\t%08x\n",
590 I915_READ(GEN6_PMIMR
));
592 seq_printf(m
, "Port hotplug:\t%08x\n",
593 I915_READ(PORT_HOTPLUG_EN
));
594 seq_printf(m
, "DPFLIPSTAT:\t%08x\n",
595 I915_READ(VLV_DPFLIPSTAT
));
596 seq_printf(m
, "DPINVGTT:\t%08x\n",
597 I915_READ(DPINVGTT
));
599 } else if (!HAS_PCH_SPLIT(dev
)) {
600 seq_printf(m
, "Interrupt enable: %08x\n",
602 seq_printf(m
, "Interrupt identity: %08x\n",
604 seq_printf(m
, "Interrupt mask: %08x\n",
607 seq_printf(m
, "Pipe %c stat: %08x\n",
609 I915_READ(PIPESTAT(pipe
)));
611 seq_printf(m
, "North Display Interrupt enable: %08x\n",
613 seq_printf(m
, "North Display Interrupt identity: %08x\n",
615 seq_printf(m
, "North Display Interrupt mask: %08x\n",
617 seq_printf(m
, "South Display Interrupt enable: %08x\n",
619 seq_printf(m
, "South Display Interrupt identity: %08x\n",
621 seq_printf(m
, "South Display Interrupt mask: %08x\n",
623 seq_printf(m
, "Graphics Interrupt enable: %08x\n",
625 seq_printf(m
, "Graphics Interrupt identity: %08x\n",
627 seq_printf(m
, "Graphics Interrupt mask: %08x\n",
630 seq_printf(m
, "Interrupts received: %d\n",
631 atomic_read(&dev_priv
->irq_received
));
632 for_each_ring(ring
, dev_priv
, i
) {
633 if (IS_GEN6(dev
) || IS_GEN7(dev
)) {
635 "Graphics Interrupt mask (%s): %08x\n",
636 ring
->name
, I915_READ_IMR(ring
));
638 i915_ring_seqno_info(m
, ring
);
640 mutex_unlock(&dev
->struct_mutex
);
645 static int i915_gem_fence_regs_info(struct seq_file
*m
, void *data
)
647 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
648 struct drm_device
*dev
= node
->minor
->dev
;
649 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
652 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
656 seq_printf(m
, "Reserved fences = %d\n", dev_priv
->fence_reg_start
);
657 seq_printf(m
, "Total fences = %d\n", dev_priv
->num_fence_regs
);
658 for (i
= 0; i
< dev_priv
->num_fence_regs
; i
++) {
659 struct drm_i915_gem_object
*obj
= dev_priv
->fence_regs
[i
].obj
;
661 seq_printf(m
, "Fence %d, pin count = %d, object = ",
662 i
, dev_priv
->fence_regs
[i
].pin_count
);
664 seq_puts(m
, "unused");
666 describe_obj(m
, obj
);
670 mutex_unlock(&dev
->struct_mutex
);
674 static int i915_hws_info(struct seq_file
*m
, void *data
)
676 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
677 struct drm_device
*dev
= node
->minor
->dev
;
678 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
679 struct intel_ring_buffer
*ring
;
683 ring
= &dev_priv
->ring
[(uintptr_t)node
->info_ent
->data
];
684 hws
= ring
->status_page
.page_addr
;
688 for (i
= 0; i
< 4096 / sizeof(u32
) / 4; i
+= 4) {
689 seq_printf(m
, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
691 hws
[i
], hws
[i
+ 1], hws
[i
+ 2], hws
[i
+ 3]);
697 i915_error_state_write(struct file
*filp
,
698 const char __user
*ubuf
,
702 struct i915_error_state_file_priv
*error_priv
= filp
->private_data
;
703 struct drm_device
*dev
= error_priv
->dev
;
706 DRM_DEBUG_DRIVER("Resetting error state\n");
708 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
712 i915_destroy_error_state(dev
);
713 mutex_unlock(&dev
->struct_mutex
);
718 static int i915_error_state_open(struct inode
*inode
, struct file
*file
)
720 struct drm_device
*dev
= inode
->i_private
;
721 struct i915_error_state_file_priv
*error_priv
;
723 error_priv
= kzalloc(sizeof(*error_priv
), GFP_KERNEL
);
727 error_priv
->dev
= dev
;
729 i915_error_state_get(dev
, error_priv
);
731 file
->private_data
= error_priv
;
736 static int i915_error_state_release(struct inode
*inode
, struct file
*file
)
738 struct i915_error_state_file_priv
*error_priv
= file
->private_data
;
740 i915_error_state_put(error_priv
);
746 static ssize_t
i915_error_state_read(struct file
*file
, char __user
*userbuf
,
747 size_t count
, loff_t
*pos
)
749 struct i915_error_state_file_priv
*error_priv
= file
->private_data
;
750 struct drm_i915_error_state_buf error_str
;
752 ssize_t ret_count
= 0;
755 ret
= i915_error_state_buf_init(&error_str
, count
, *pos
);
759 ret
= i915_error_state_to_str(&error_str
, error_priv
);
763 ret_count
= simple_read_from_buffer(userbuf
, count
, &tmp_pos
,
770 *pos
= error_str
.start
+ ret_count
;
772 i915_error_state_buf_release(&error_str
);
773 return ret
?: ret_count
;
776 static const struct file_operations i915_error_state_fops
= {
777 .owner
= THIS_MODULE
,
778 .open
= i915_error_state_open
,
779 .read
= i915_error_state_read
,
780 .write
= i915_error_state_write
,
781 .llseek
= default_llseek
,
782 .release
= i915_error_state_release
,
786 i915_next_seqno_get(void *data
, u64
*val
)
788 struct drm_device
*dev
= data
;
789 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
792 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
796 *val
= dev_priv
->next_seqno
;
797 mutex_unlock(&dev
->struct_mutex
);
803 i915_next_seqno_set(void *data
, u64 val
)
805 struct drm_device
*dev
= data
;
808 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
812 ret
= i915_gem_set_seqno(dev
, val
);
813 mutex_unlock(&dev
->struct_mutex
);
818 DEFINE_SIMPLE_ATTRIBUTE(i915_next_seqno_fops
,
819 i915_next_seqno_get
, i915_next_seqno_set
,
822 static int i915_rstdby_delays(struct seq_file
*m
, void *unused
)
824 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
825 struct drm_device
*dev
= node
->minor
->dev
;
826 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
830 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
834 crstanddelay
= I915_READ16(CRSTANDVID
);
836 mutex_unlock(&dev
->struct_mutex
);
838 seq_printf(m
, "w/ctx: %d, w/o ctx: %d\n", (crstanddelay
>> 8) & 0x3f, (crstanddelay
& 0x3f));
843 static int i915_cur_delayinfo(struct seq_file
*m
, void *unused
)
845 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
846 struct drm_device
*dev
= node
->minor
->dev
;
847 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
850 flush_delayed_work(&dev_priv
->rps
.delayed_resume_work
);
853 u16 rgvswctl
= I915_READ16(MEMSWCTL
);
854 u16 rgvstat
= I915_READ16(MEMSTAT_ILK
);
856 seq_printf(m
, "Requested P-state: %d\n", (rgvswctl
>> 8) & 0xf);
857 seq_printf(m
, "Requested VID: %d\n", rgvswctl
& 0x3f);
858 seq_printf(m
, "Current VID: %d\n", (rgvstat
& MEMSTAT_VID_MASK
) >>
860 seq_printf(m
, "Current P-state: %d\n",
861 (rgvstat
& MEMSTAT_PSTATE_MASK
) >> MEMSTAT_PSTATE_SHIFT
);
862 } else if ((IS_GEN6(dev
) || IS_GEN7(dev
)) && !IS_VALLEYVIEW(dev
)) {
863 u32 gt_perf_status
= I915_READ(GEN6_GT_PERF_STATUS
);
864 u32 rp_state_limits
= I915_READ(GEN6_RP_STATE_LIMITS
);
865 u32 rp_state_cap
= I915_READ(GEN6_RP_STATE_CAP
);
866 u32 rpstat
, cagf
, reqf
;
867 u32 rpupei
, rpcurup
, rpprevup
;
868 u32 rpdownei
, rpcurdown
, rpprevdown
;
871 /* RPSTAT1 is in the GT power well */
872 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
876 gen6_gt_force_wake_get(dev_priv
);
878 reqf
= I915_READ(GEN6_RPNSWREQ
);
879 reqf
&= ~GEN6_TURBO_DISABLE
;
884 reqf
*= GT_FREQUENCY_MULTIPLIER
;
886 rpstat
= I915_READ(GEN6_RPSTAT1
);
887 rpupei
= I915_READ(GEN6_RP_CUR_UP_EI
);
888 rpcurup
= I915_READ(GEN6_RP_CUR_UP
);
889 rpprevup
= I915_READ(GEN6_RP_PREV_UP
);
890 rpdownei
= I915_READ(GEN6_RP_CUR_DOWN_EI
);
891 rpcurdown
= I915_READ(GEN6_RP_CUR_DOWN
);
892 rpprevdown
= I915_READ(GEN6_RP_PREV_DOWN
);
894 cagf
= (rpstat
& HSW_CAGF_MASK
) >> HSW_CAGF_SHIFT
;
896 cagf
= (rpstat
& GEN6_CAGF_MASK
) >> GEN6_CAGF_SHIFT
;
897 cagf
*= GT_FREQUENCY_MULTIPLIER
;
899 gen6_gt_force_wake_put(dev_priv
);
900 mutex_unlock(&dev
->struct_mutex
);
902 seq_printf(m
, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status
);
903 seq_printf(m
, "RPSTAT1: 0x%08x\n", rpstat
);
904 seq_printf(m
, "Render p-state ratio: %d\n",
905 (gt_perf_status
& 0xff00) >> 8);
906 seq_printf(m
, "Render p-state VID: %d\n",
907 gt_perf_status
& 0xff);
908 seq_printf(m
, "Render p-state limit: %d\n",
909 rp_state_limits
& 0xff);
910 seq_printf(m
, "RPNSWREQ: %dMHz\n", reqf
);
911 seq_printf(m
, "CAGF: %dMHz\n", cagf
);
912 seq_printf(m
, "RP CUR UP EI: %dus\n", rpupei
&
914 seq_printf(m
, "RP CUR UP: %dus\n", rpcurup
&
915 GEN6_CURBSYTAVG_MASK
);
916 seq_printf(m
, "RP PREV UP: %dus\n", rpprevup
&
917 GEN6_CURBSYTAVG_MASK
);
918 seq_printf(m
, "RP CUR DOWN EI: %dus\n", rpdownei
&
920 seq_printf(m
, "RP CUR DOWN: %dus\n", rpcurdown
&
921 GEN6_CURBSYTAVG_MASK
);
922 seq_printf(m
, "RP PREV DOWN: %dus\n", rpprevdown
&
923 GEN6_CURBSYTAVG_MASK
);
925 max_freq
= (rp_state_cap
& 0xff0000) >> 16;
926 seq_printf(m
, "Lowest (RPN) frequency: %dMHz\n",
927 max_freq
* GT_FREQUENCY_MULTIPLIER
);
929 max_freq
= (rp_state_cap
& 0xff00) >> 8;
930 seq_printf(m
, "Nominal (RP1) frequency: %dMHz\n",
931 max_freq
* GT_FREQUENCY_MULTIPLIER
);
933 max_freq
= rp_state_cap
& 0xff;
934 seq_printf(m
, "Max non-overclocked (RP0) frequency: %dMHz\n",
935 max_freq
* GT_FREQUENCY_MULTIPLIER
);
937 seq_printf(m
, "Max overclocked frequency: %dMHz\n",
938 dev_priv
->rps
.hw_max
* GT_FREQUENCY_MULTIPLIER
);
939 } else if (IS_VALLEYVIEW(dev
)) {
942 mutex_lock(&dev_priv
->rps
.hw_lock
);
943 freq_sts
= vlv_punit_read(dev_priv
, PUNIT_REG_GPU_FREQ_STS
);
944 seq_printf(m
, "PUNIT_REG_GPU_FREQ_STS: 0x%08x\n", freq_sts
);
945 seq_printf(m
, "DDR freq: %d MHz\n", dev_priv
->mem_freq
);
947 val
= vlv_punit_read(dev_priv
, PUNIT_FUSE_BUS1
);
948 seq_printf(m
, "max GPU freq: %d MHz\n",
949 vlv_gpu_freq(dev_priv
->mem_freq
, val
));
951 val
= vlv_punit_read(dev_priv
, PUNIT_REG_GPU_LFM
);
952 seq_printf(m
, "min GPU freq: %d MHz\n",
953 vlv_gpu_freq(dev_priv
->mem_freq
, val
));
955 seq_printf(m
, "current GPU freq: %d MHz\n",
956 vlv_gpu_freq(dev_priv
->mem_freq
,
957 (freq_sts
>> 8) & 0xff));
958 mutex_unlock(&dev_priv
->rps
.hw_lock
);
960 seq_puts(m
, "no P-state info available\n");
966 static int i915_delayfreq_table(struct seq_file
*m
, void *unused
)
968 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
969 struct drm_device
*dev
= node
->minor
->dev
;
970 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
974 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
978 for (i
= 0; i
< 16; i
++) {
979 delayfreq
= I915_READ(PXVFREQ_BASE
+ i
* 4);
980 seq_printf(m
, "P%02dVIDFREQ: 0x%08x (VID: %d)\n", i
, delayfreq
,
981 (delayfreq
& PXVFREQ_PX_MASK
) >> PXVFREQ_PX_SHIFT
);
984 mutex_unlock(&dev
->struct_mutex
);
989 static inline int MAP_TO_MV(int map
)
991 return 1250 - (map
* 25);
994 static int i915_inttoext_table(struct seq_file
*m
, void *unused
)
996 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
997 struct drm_device
*dev
= node
->minor
->dev
;
998 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1002 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1006 for (i
= 1; i
<= 32; i
++) {
1007 inttoext
= I915_READ(INTTOEXT_BASE_ILK
+ i
* 4);
1008 seq_printf(m
, "INTTOEXT%02d: 0x%08x\n", i
, inttoext
);
1011 mutex_unlock(&dev
->struct_mutex
);
1016 static int ironlake_drpc_info(struct seq_file
*m
)
1018 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1019 struct drm_device
*dev
= node
->minor
->dev
;
1020 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1021 u32 rgvmodectl
, rstdbyctl
;
1025 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1029 rgvmodectl
= I915_READ(MEMMODECTL
);
1030 rstdbyctl
= I915_READ(RSTDBYCTL
);
1031 crstandvid
= I915_READ16(CRSTANDVID
);
1033 mutex_unlock(&dev
->struct_mutex
);
1035 seq_printf(m
, "HD boost: %s\n", (rgvmodectl
& MEMMODE_BOOST_EN
) ?
1037 seq_printf(m
, "Boost freq: %d\n",
1038 (rgvmodectl
& MEMMODE_BOOST_FREQ_MASK
) >>
1039 MEMMODE_BOOST_FREQ_SHIFT
);
1040 seq_printf(m
, "HW control enabled: %s\n",
1041 rgvmodectl
& MEMMODE_HWIDLE_EN
? "yes" : "no");
1042 seq_printf(m
, "SW control enabled: %s\n",
1043 rgvmodectl
& MEMMODE_SWMODE_EN
? "yes" : "no");
1044 seq_printf(m
, "Gated voltage change: %s\n",
1045 rgvmodectl
& MEMMODE_RCLK_GATE
? "yes" : "no");
1046 seq_printf(m
, "Starting frequency: P%d\n",
1047 (rgvmodectl
& MEMMODE_FSTART_MASK
) >> MEMMODE_FSTART_SHIFT
);
1048 seq_printf(m
, "Max P-state: P%d\n",
1049 (rgvmodectl
& MEMMODE_FMAX_MASK
) >> MEMMODE_FMAX_SHIFT
);
1050 seq_printf(m
, "Min P-state: P%d\n", (rgvmodectl
& MEMMODE_FMIN_MASK
));
1051 seq_printf(m
, "RS1 VID: %d\n", (crstandvid
& 0x3f));
1052 seq_printf(m
, "RS2 VID: %d\n", ((crstandvid
>> 8) & 0x3f));
1053 seq_printf(m
, "Render standby enabled: %s\n",
1054 (rstdbyctl
& RCX_SW_EXIT
) ? "no" : "yes");
1055 seq_puts(m
, "Current RS state: ");
1056 switch (rstdbyctl
& RSX_STATUS_MASK
) {
1058 seq_puts(m
, "on\n");
1060 case RSX_STATUS_RC1
:
1061 seq_puts(m
, "RC1\n");
1063 case RSX_STATUS_RC1E
:
1064 seq_puts(m
, "RC1E\n");
1066 case RSX_STATUS_RS1
:
1067 seq_puts(m
, "RS1\n");
1069 case RSX_STATUS_RS2
:
1070 seq_puts(m
, "RS2 (RC6)\n");
1072 case RSX_STATUS_RS3
:
1073 seq_puts(m
, "RC3 (RC6+)\n");
1076 seq_puts(m
, "unknown\n");
1083 static int gen6_drpc_info(struct seq_file
*m
)
1086 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1087 struct drm_device
*dev
= node
->minor
->dev
;
1088 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1089 u32 rpmodectl1
, gt_core_status
, rcctl1
, rc6vids
= 0;
1090 unsigned forcewake_count
;
1093 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1097 spin_lock_irq(&dev_priv
->uncore
.lock
);
1098 forcewake_count
= dev_priv
->uncore
.forcewake_count
;
1099 spin_unlock_irq(&dev_priv
->uncore
.lock
);
1101 if (forcewake_count
) {
1102 seq_puts(m
, "RC information inaccurate because somebody "
1103 "holds a forcewake reference \n");
1105 /* NB: we cannot use forcewake, else we read the wrong values */
1106 while (count
++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_ACK
) & 1))
1108 seq_printf(m
, "RC information accurate: %s\n", yesno(count
< 51));
1111 gt_core_status
= readl(dev_priv
->regs
+ GEN6_GT_CORE_STATUS
);
1112 trace_i915_reg_rw(false, GEN6_GT_CORE_STATUS
, gt_core_status
, 4, true);
1114 rpmodectl1
= I915_READ(GEN6_RP_CONTROL
);
1115 rcctl1
= I915_READ(GEN6_RC_CONTROL
);
1116 mutex_unlock(&dev
->struct_mutex
);
1117 mutex_lock(&dev_priv
->rps
.hw_lock
);
1118 sandybridge_pcode_read(dev_priv
, GEN6_PCODE_READ_RC6VIDS
, &rc6vids
);
1119 mutex_unlock(&dev_priv
->rps
.hw_lock
);
1121 seq_printf(m
, "Video Turbo Mode: %s\n",
1122 yesno(rpmodectl1
& GEN6_RP_MEDIA_TURBO
));
1123 seq_printf(m
, "HW control enabled: %s\n",
1124 yesno(rpmodectl1
& GEN6_RP_ENABLE
));
1125 seq_printf(m
, "SW control enabled: %s\n",
1126 yesno((rpmodectl1
& GEN6_RP_MEDIA_MODE_MASK
) ==
1127 GEN6_RP_MEDIA_SW_MODE
));
1128 seq_printf(m
, "RC1e Enabled: %s\n",
1129 yesno(rcctl1
& GEN6_RC_CTL_RC1e_ENABLE
));
1130 seq_printf(m
, "RC6 Enabled: %s\n",
1131 yesno(rcctl1
& GEN6_RC_CTL_RC6_ENABLE
));
1132 seq_printf(m
, "Deep RC6 Enabled: %s\n",
1133 yesno(rcctl1
& GEN6_RC_CTL_RC6p_ENABLE
));
1134 seq_printf(m
, "Deepest RC6 Enabled: %s\n",
1135 yesno(rcctl1
& GEN6_RC_CTL_RC6pp_ENABLE
));
1136 seq_puts(m
, "Current RC state: ");
1137 switch (gt_core_status
& GEN6_RCn_MASK
) {
1139 if (gt_core_status
& GEN6_CORE_CPD_STATE_MASK
)
1140 seq_puts(m
, "Core Power Down\n");
1142 seq_puts(m
, "on\n");
1145 seq_puts(m
, "RC3\n");
1148 seq_puts(m
, "RC6\n");
1151 seq_puts(m
, "RC7\n");
1154 seq_puts(m
, "Unknown\n");
1158 seq_printf(m
, "Core Power Down: %s\n",
1159 yesno(gt_core_status
& GEN6_CORE_CPD_STATE_MASK
));
1161 /* Not exactly sure what this is */
1162 seq_printf(m
, "RC6 \"Locked to RPn\" residency since boot: %u\n",
1163 I915_READ(GEN6_GT_GFX_RC6_LOCKED
));
1164 seq_printf(m
, "RC6 residency since boot: %u\n",
1165 I915_READ(GEN6_GT_GFX_RC6
));
1166 seq_printf(m
, "RC6+ residency since boot: %u\n",
1167 I915_READ(GEN6_GT_GFX_RC6p
));
1168 seq_printf(m
, "RC6++ residency since boot: %u\n",
1169 I915_READ(GEN6_GT_GFX_RC6pp
));
1171 seq_printf(m
, "RC6 voltage: %dmV\n",
1172 GEN6_DECODE_RC6_VID(((rc6vids
>> 0) & 0xff)));
1173 seq_printf(m
, "RC6+ voltage: %dmV\n",
1174 GEN6_DECODE_RC6_VID(((rc6vids
>> 8) & 0xff)));
1175 seq_printf(m
, "RC6++ voltage: %dmV\n",
1176 GEN6_DECODE_RC6_VID(((rc6vids
>> 16) & 0xff)));
1180 static int i915_drpc_info(struct seq_file
*m
, void *unused
)
1182 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1183 struct drm_device
*dev
= node
->minor
->dev
;
1185 if (IS_GEN6(dev
) || IS_GEN7(dev
))
1186 return gen6_drpc_info(m
);
1188 return ironlake_drpc_info(m
);
1191 static int i915_fbc_status(struct seq_file
*m
, void *unused
)
1193 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1194 struct drm_device
*dev
= node
->minor
->dev
;
1195 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1197 if (!I915_HAS_FBC(dev
)) {
1198 seq_puts(m
, "FBC unsupported on this chipset\n");
1202 if (intel_fbc_enabled(dev
)) {
1203 seq_puts(m
, "FBC enabled\n");
1205 seq_puts(m
, "FBC disabled: ");
1206 switch (dev_priv
->fbc
.no_fbc_reason
) {
1208 seq_puts(m
, "FBC actived, but currently disabled in hardware");
1210 case FBC_UNSUPPORTED
:
1211 seq_puts(m
, "unsupported by this chipset");
1214 seq_puts(m
, "no outputs");
1216 case FBC_STOLEN_TOO_SMALL
:
1217 seq_puts(m
, "not enough stolen memory");
1219 case FBC_UNSUPPORTED_MODE
:
1220 seq_puts(m
, "mode not supported");
1222 case FBC_MODE_TOO_LARGE
:
1223 seq_puts(m
, "mode too large");
1226 seq_puts(m
, "FBC unsupported on plane");
1229 seq_puts(m
, "scanout buffer not tiled");
1231 case FBC_MULTIPLE_PIPES
:
1232 seq_puts(m
, "multiple pipes are enabled");
1234 case FBC_MODULE_PARAM
:
1235 seq_puts(m
, "disabled per module param (default off)");
1237 case FBC_CHIP_DEFAULT
:
1238 seq_puts(m
, "disabled per chip default");
1241 seq_puts(m
, "unknown reason");
1248 static int i915_ips_status(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
;
1252 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1254 if (!HAS_IPS(dev
)) {
1255 seq_puts(m
, "not supported\n");
1259 if (I915_READ(IPS_CTL
) & IPS_ENABLE
)
1260 seq_puts(m
, "enabled\n");
1262 seq_puts(m
, "disabled\n");
1267 static int i915_sr_status(struct seq_file
*m
, void *unused
)
1269 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1270 struct drm_device
*dev
= node
->minor
->dev
;
1271 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1272 bool sr_enabled
= false;
1274 if (HAS_PCH_SPLIT(dev
))
1275 sr_enabled
= I915_READ(WM1_LP_ILK
) & WM1_LP_SR_EN
;
1276 else if (IS_CRESTLINE(dev
) || IS_I945G(dev
) || IS_I945GM(dev
))
1277 sr_enabled
= I915_READ(FW_BLC_SELF
) & FW_BLC_SELF_EN
;
1278 else if (IS_I915GM(dev
))
1279 sr_enabled
= I915_READ(INSTPM
) & INSTPM_SELF_EN
;
1280 else if (IS_PINEVIEW(dev
))
1281 sr_enabled
= I915_READ(DSPFW3
) & PINEVIEW_SELF_REFRESH_EN
;
1283 seq_printf(m
, "self-refresh: %s\n",
1284 sr_enabled
? "enabled" : "disabled");
1289 static int i915_emon_status(struct seq_file
*m
, void *unused
)
1291 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1292 struct drm_device
*dev
= node
->minor
->dev
;
1293 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1294 unsigned long temp
, chipset
, gfx
;
1300 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1304 temp
= i915_mch_val(dev_priv
);
1305 chipset
= i915_chipset_val(dev_priv
);
1306 gfx
= i915_gfx_val(dev_priv
);
1307 mutex_unlock(&dev
->struct_mutex
);
1309 seq_printf(m
, "GMCH temp: %ld\n", temp
);
1310 seq_printf(m
, "Chipset power: %ld\n", chipset
);
1311 seq_printf(m
, "GFX power: %ld\n", gfx
);
1312 seq_printf(m
, "Total power: %ld\n", chipset
+ gfx
);
1317 static int i915_ring_freq_table(struct seq_file
*m
, void *unused
)
1319 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1320 struct drm_device
*dev
= node
->minor
->dev
;
1321 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1323 int gpu_freq
, ia_freq
;
1325 if (!(IS_GEN6(dev
) || IS_GEN7(dev
))) {
1326 seq_puts(m
, "unsupported on this chipset\n");
1330 flush_delayed_work(&dev_priv
->rps
.delayed_resume_work
);
1332 ret
= mutex_lock_interruptible(&dev_priv
->rps
.hw_lock
);
1336 seq_puts(m
, "GPU freq (MHz)\tEffective CPU freq (MHz)\tEffective Ring freq (MHz)\n");
1338 for (gpu_freq
= dev_priv
->rps
.min_delay
;
1339 gpu_freq
<= dev_priv
->rps
.max_delay
;
1342 sandybridge_pcode_read(dev_priv
,
1343 GEN6_PCODE_READ_MIN_FREQ_TABLE
,
1345 seq_printf(m
, "%d\t\t%d\t\t\t\t%d\n",
1346 gpu_freq
* GT_FREQUENCY_MULTIPLIER
,
1347 ((ia_freq
>> 0) & 0xff) * 100,
1348 ((ia_freq
>> 8) & 0xff) * 100);
1351 mutex_unlock(&dev_priv
->rps
.hw_lock
);
1356 static int i915_gfxec(struct seq_file
*m
, void *unused
)
1358 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1359 struct drm_device
*dev
= node
->minor
->dev
;
1360 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1363 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1367 seq_printf(m
, "GFXEC: %ld\n", (unsigned long)I915_READ(0x112f4));
1369 mutex_unlock(&dev
->struct_mutex
);
1374 static int i915_opregion(struct seq_file
*m
, void *unused
)
1376 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1377 struct drm_device
*dev
= node
->minor
->dev
;
1378 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1379 struct intel_opregion
*opregion
= &dev_priv
->opregion
;
1380 void *data
= kmalloc(OPREGION_SIZE
, GFP_KERNEL
);
1386 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1390 if (opregion
->header
) {
1391 memcpy_fromio(data
, opregion
->header
, OPREGION_SIZE
);
1392 seq_write(m
, data
, OPREGION_SIZE
);
1395 mutex_unlock(&dev
->struct_mutex
);
1402 static int i915_gem_framebuffer_info(struct seq_file
*m
, void *data
)
1404 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1405 struct drm_device
*dev
= node
->minor
->dev
;
1406 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1407 struct intel_fbdev
*ifbdev
;
1408 struct intel_framebuffer
*fb
;
1411 ret
= mutex_lock_interruptible(&dev
->mode_config
.mutex
);
1415 ifbdev
= dev_priv
->fbdev
;
1416 fb
= to_intel_framebuffer(ifbdev
->helper
.fb
);
1418 seq_printf(m
, "fbcon size: %d x %d, depth %d, %d bpp, refcount %d, obj ",
1422 fb
->base
.bits_per_pixel
,
1423 atomic_read(&fb
->base
.refcount
.refcount
));
1424 describe_obj(m
, fb
->obj
);
1426 mutex_unlock(&dev
->mode_config
.mutex
);
1428 mutex_lock(&dev
->mode_config
.fb_lock
);
1429 list_for_each_entry(fb
, &dev
->mode_config
.fb_list
, base
.head
) {
1430 if (&fb
->base
== ifbdev
->helper
.fb
)
1433 seq_printf(m
, "user size: %d x %d, depth %d, %d bpp, refcount %d, obj ",
1437 fb
->base
.bits_per_pixel
,
1438 atomic_read(&fb
->base
.refcount
.refcount
));
1439 describe_obj(m
, fb
->obj
);
1442 mutex_unlock(&dev
->mode_config
.fb_lock
);
1447 static int i915_context_status(struct seq_file
*m
, void *unused
)
1449 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1450 struct drm_device
*dev
= node
->minor
->dev
;
1451 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1452 struct intel_ring_buffer
*ring
;
1453 struct i915_hw_context
*ctx
;
1456 ret
= mutex_lock_interruptible(&dev
->mode_config
.mutex
);
1460 if (dev_priv
->ips
.pwrctx
) {
1461 seq_puts(m
, "power context ");
1462 describe_obj(m
, dev_priv
->ips
.pwrctx
);
1466 if (dev_priv
->ips
.renderctx
) {
1467 seq_puts(m
, "render context ");
1468 describe_obj(m
, dev_priv
->ips
.renderctx
);
1472 list_for_each_entry(ctx
, &dev_priv
->context_list
, link
) {
1473 seq_puts(m
, "HW context ");
1474 describe_ctx(m
, ctx
);
1475 for_each_ring(ring
, dev_priv
, i
)
1476 if (ring
->default_context
== ctx
)
1477 seq_printf(m
, "(default context %s) ", ring
->name
);
1479 describe_obj(m
, ctx
->obj
);
1483 mutex_unlock(&dev
->mode_config
.mutex
);
1488 static int i915_gen6_forcewake_count_info(struct seq_file
*m
, void *data
)
1490 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1491 struct drm_device
*dev
= node
->minor
->dev
;
1492 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1493 unsigned forcewake_count
;
1495 spin_lock_irq(&dev_priv
->uncore
.lock
);
1496 forcewake_count
= dev_priv
->uncore
.forcewake_count
;
1497 spin_unlock_irq(&dev_priv
->uncore
.lock
);
1499 seq_printf(m
, "forcewake count = %u\n", forcewake_count
);
1504 static const char *swizzle_string(unsigned swizzle
)
1507 case I915_BIT_6_SWIZZLE_NONE
:
1509 case I915_BIT_6_SWIZZLE_9
:
1511 case I915_BIT_6_SWIZZLE_9_10
:
1512 return "bit9/bit10";
1513 case I915_BIT_6_SWIZZLE_9_11
:
1514 return "bit9/bit11";
1515 case I915_BIT_6_SWIZZLE_9_10_11
:
1516 return "bit9/bit10/bit11";
1517 case I915_BIT_6_SWIZZLE_9_17
:
1518 return "bit9/bit17";
1519 case I915_BIT_6_SWIZZLE_9_10_17
:
1520 return "bit9/bit10/bit17";
1521 case I915_BIT_6_SWIZZLE_UNKNOWN
:
1528 static int i915_swizzle_info(struct seq_file
*m
, void *data
)
1530 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1531 struct drm_device
*dev
= node
->minor
->dev
;
1532 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1535 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1539 seq_printf(m
, "bit6 swizzle for X-tiling = %s\n",
1540 swizzle_string(dev_priv
->mm
.bit_6_swizzle_x
));
1541 seq_printf(m
, "bit6 swizzle for Y-tiling = %s\n",
1542 swizzle_string(dev_priv
->mm
.bit_6_swizzle_y
));
1544 if (IS_GEN3(dev
) || IS_GEN4(dev
)) {
1545 seq_printf(m
, "DDC = 0x%08x\n",
1547 seq_printf(m
, "C0DRB3 = 0x%04x\n",
1548 I915_READ16(C0DRB3
));
1549 seq_printf(m
, "C1DRB3 = 0x%04x\n",
1550 I915_READ16(C1DRB3
));
1551 } else if (IS_GEN6(dev
) || IS_GEN7(dev
)) {
1552 seq_printf(m
, "MAD_DIMM_C0 = 0x%08x\n",
1553 I915_READ(MAD_DIMM_C0
));
1554 seq_printf(m
, "MAD_DIMM_C1 = 0x%08x\n",
1555 I915_READ(MAD_DIMM_C1
));
1556 seq_printf(m
, "MAD_DIMM_C2 = 0x%08x\n",
1557 I915_READ(MAD_DIMM_C2
));
1558 seq_printf(m
, "TILECTL = 0x%08x\n",
1559 I915_READ(TILECTL
));
1560 seq_printf(m
, "ARB_MODE = 0x%08x\n",
1561 I915_READ(ARB_MODE
));
1562 seq_printf(m
, "DISP_ARB_CTL = 0x%08x\n",
1563 I915_READ(DISP_ARB_CTL
));
1565 mutex_unlock(&dev
->struct_mutex
);
1570 static int i915_ppgtt_info(struct seq_file
*m
, void *data
)
1572 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1573 struct drm_device
*dev
= node
->minor
->dev
;
1574 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1575 struct intel_ring_buffer
*ring
;
1579 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1582 if (INTEL_INFO(dev
)->gen
== 6)
1583 seq_printf(m
, "GFX_MODE: 0x%08x\n", I915_READ(GFX_MODE
));
1585 for_each_ring(ring
, dev_priv
, i
) {
1586 seq_printf(m
, "%s\n", ring
->name
);
1587 if (INTEL_INFO(dev
)->gen
== 7)
1588 seq_printf(m
, "GFX_MODE: 0x%08x\n", I915_READ(RING_MODE_GEN7(ring
)));
1589 seq_printf(m
, "PP_DIR_BASE: 0x%08x\n", I915_READ(RING_PP_DIR_BASE(ring
)));
1590 seq_printf(m
, "PP_DIR_BASE_READ: 0x%08x\n", I915_READ(RING_PP_DIR_BASE_READ(ring
)));
1591 seq_printf(m
, "PP_DIR_DCLV: 0x%08x\n", I915_READ(RING_PP_DIR_DCLV(ring
)));
1593 if (dev_priv
->mm
.aliasing_ppgtt
) {
1594 struct i915_hw_ppgtt
*ppgtt
= dev_priv
->mm
.aliasing_ppgtt
;
1596 seq_puts(m
, "aliasing PPGTT:\n");
1597 seq_printf(m
, "pd gtt offset: 0x%08x\n", ppgtt
->pd_offset
);
1599 seq_printf(m
, "ECOCHK: 0x%08x\n", I915_READ(GAM_ECOCHK
));
1600 mutex_unlock(&dev
->struct_mutex
);
1605 static int i915_dpio_info(struct seq_file
*m
, void *data
)
1607 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1608 struct drm_device
*dev
= node
->minor
->dev
;
1609 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1613 if (!IS_VALLEYVIEW(dev
)) {
1614 seq_puts(m
, "unsupported\n");
1618 ret
= mutex_lock_interruptible(&dev_priv
->dpio_lock
);
1622 seq_printf(m
, "DPIO_CTL: 0x%08x\n", I915_READ(DPIO_CTL
));
1624 seq_printf(m
, "DPIO_DIV_A: 0x%08x\n",
1625 vlv_dpio_read(dev_priv
, PIPE_A
, _DPIO_DIV_A
));
1626 seq_printf(m
, "DPIO_DIV_B: 0x%08x\n",
1627 vlv_dpio_read(dev_priv
, PIPE_A
, _DPIO_DIV_B
));
1629 seq_printf(m
, "DPIO_REFSFR_A: 0x%08x\n",
1630 vlv_dpio_read(dev_priv
, PIPE_A
, _DPIO_REFSFR_A
));
1631 seq_printf(m
, "DPIO_REFSFR_B: 0x%08x\n",
1632 vlv_dpio_read(dev_priv
, PIPE_A
, _DPIO_REFSFR_B
));
1634 seq_printf(m
, "DPIO_CORE_CLK_A: 0x%08x\n",
1635 vlv_dpio_read(dev_priv
, PIPE_A
, _DPIO_CORE_CLK_A
));
1636 seq_printf(m
, "DPIO_CORE_CLK_B: 0x%08x\n",
1637 vlv_dpio_read(dev_priv
, PIPE_A
, _DPIO_CORE_CLK_B
));
1639 seq_printf(m
, "DPIO_LPF_COEFF_A: 0x%08x\n",
1640 vlv_dpio_read(dev_priv
, PIPE_A
, _DPIO_LPF_COEFF_A
));
1641 seq_printf(m
, "DPIO_LPF_COEFF_B: 0x%08x\n",
1642 vlv_dpio_read(dev_priv
, PIPE_A
, _DPIO_LPF_COEFF_B
));
1644 seq_printf(m
, "DPIO_FASTCLK_DISABLE: 0x%08x\n",
1645 vlv_dpio_read(dev_priv
, PIPE_A
, DPIO_FASTCLK_DISABLE
));
1647 mutex_unlock(&dev_priv
->dpio_lock
);
1652 static int i915_llc(struct seq_file
*m
, void *data
)
1654 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1655 struct drm_device
*dev
= node
->minor
->dev
;
1656 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1658 /* Size calculation for LLC is a bit of a pain. Ignore for now. */
1659 seq_printf(m
, "LLC: %s\n", yesno(HAS_LLC(dev
)));
1660 seq_printf(m
, "eLLC: %zuMB\n", dev_priv
->ellc_size
);
1665 static int i915_edp_psr_status(struct seq_file
*m
, void *data
)
1667 struct drm_info_node
*node
= m
->private;
1668 struct drm_device
*dev
= node
->minor
->dev
;
1669 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1671 bool enabled
= false;
1673 seq_printf(m
, "Sink_Support: %s\n", yesno(dev_priv
->psr
.sink_support
));
1674 seq_printf(m
, "Source_OK: %s\n", yesno(dev_priv
->psr
.source_ok
));
1676 enabled
= HAS_PSR(dev
) &&
1677 I915_READ(EDP_PSR_CTL(dev
)) & EDP_PSR_ENABLE
;
1678 seq_printf(m
, "Enabled: %s\n", yesno(enabled
));
1681 psrperf
= I915_READ(EDP_PSR_PERF_CNT(dev
)) &
1682 EDP_PSR_PERF_CNT_MASK
;
1683 seq_printf(m
, "Performance_Counter: %u\n", psrperf
);
1688 static int i915_energy_uJ(struct seq_file
*m
, void *data
)
1690 struct drm_info_node
*node
= m
->private;
1691 struct drm_device
*dev
= node
->minor
->dev
;
1692 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1696 if (INTEL_INFO(dev
)->gen
< 6)
1699 rdmsrl(MSR_RAPL_POWER_UNIT
, power
);
1700 power
= (power
& 0x1f00) >> 8;
1701 units
= 1000000 / (1 << power
); /* convert to uJ */
1702 power
= I915_READ(MCH_SECP_NRG_STTS
);
1705 seq_printf(m
, "%llu", (long long unsigned)power
);
1710 static int i915_pc8_status(struct seq_file
*m
, void *unused
)
1712 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
1713 struct drm_device
*dev
= node
->minor
->dev
;
1714 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1716 if (!IS_HASWELL(dev
)) {
1717 seq_puts(m
, "not supported\n");
1721 mutex_lock(&dev_priv
->pc8
.lock
);
1722 seq_printf(m
, "Requirements met: %s\n",
1723 yesno(dev_priv
->pc8
.requirements_met
));
1724 seq_printf(m
, "GPU idle: %s\n", yesno(dev_priv
->pc8
.gpu_idle
));
1725 seq_printf(m
, "Disable count: %d\n", dev_priv
->pc8
.disable_count
);
1726 seq_printf(m
, "IRQs disabled: %s\n",
1727 yesno(dev_priv
->pc8
.irqs_disabled
));
1728 seq_printf(m
, "Enabled: %s\n", yesno(dev_priv
->pc8
.enabled
));
1729 mutex_unlock(&dev_priv
->pc8
.lock
);
1735 i915_wedged_get(void *data
, u64
*val
)
1737 struct drm_device
*dev
= data
;
1738 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1740 *val
= atomic_read(&dev_priv
->gpu_error
.reset_counter
);
1746 i915_wedged_set(void *data
, u64 val
)
1748 struct drm_device
*dev
= data
;
1750 DRM_INFO("Manually setting wedged to %llu\n", val
);
1751 i915_handle_error(dev
, val
);
1756 DEFINE_SIMPLE_ATTRIBUTE(i915_wedged_fops
,
1757 i915_wedged_get
, i915_wedged_set
,
1761 i915_ring_stop_get(void *data
, u64
*val
)
1763 struct drm_device
*dev
= data
;
1764 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1766 *val
= dev_priv
->gpu_error
.stop_rings
;
1772 i915_ring_stop_set(void *data
, u64 val
)
1774 struct drm_device
*dev
= data
;
1775 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1778 DRM_DEBUG_DRIVER("Stopping rings 0x%08llx\n", val
);
1780 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1784 dev_priv
->gpu_error
.stop_rings
= val
;
1785 mutex_unlock(&dev
->struct_mutex
);
1790 DEFINE_SIMPLE_ATTRIBUTE(i915_ring_stop_fops
,
1791 i915_ring_stop_get
, i915_ring_stop_set
,
1795 i915_ring_missed_irq_get(void *data
, u64
*val
)
1797 struct drm_device
*dev
= data
;
1798 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1800 *val
= dev_priv
->gpu_error
.missed_irq_rings
;
1805 i915_ring_missed_irq_set(void *data
, u64 val
)
1807 struct drm_device
*dev
= data
;
1808 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1811 /* Lock against concurrent debugfs callers */
1812 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1815 dev_priv
->gpu_error
.missed_irq_rings
= val
;
1816 mutex_unlock(&dev
->struct_mutex
);
1821 DEFINE_SIMPLE_ATTRIBUTE(i915_ring_missed_irq_fops
,
1822 i915_ring_missed_irq_get
, i915_ring_missed_irq_set
,
1826 i915_ring_test_irq_get(void *data
, u64
*val
)
1828 struct drm_device
*dev
= data
;
1829 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1831 *val
= dev_priv
->gpu_error
.test_irq_rings
;
1837 i915_ring_test_irq_set(void *data
, u64 val
)
1839 struct drm_device
*dev
= data
;
1840 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1843 DRM_DEBUG_DRIVER("Masking interrupts on rings 0x%08llx\n", val
);
1845 /* Lock against concurrent debugfs callers */
1846 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1850 dev_priv
->gpu_error
.test_irq_rings
= val
;
1851 mutex_unlock(&dev
->struct_mutex
);
1856 DEFINE_SIMPLE_ATTRIBUTE(i915_ring_test_irq_fops
,
1857 i915_ring_test_irq_get
, i915_ring_test_irq_set
,
1860 #define DROP_UNBOUND 0x1
1861 #define DROP_BOUND 0x2
1862 #define DROP_RETIRE 0x4
1863 #define DROP_ACTIVE 0x8
1864 #define DROP_ALL (DROP_UNBOUND | \
1869 i915_drop_caches_get(void *data
, u64
*val
)
1877 i915_drop_caches_set(void *data
, u64 val
)
1879 struct drm_device
*dev
= data
;
1880 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1881 struct drm_i915_gem_object
*obj
, *next
;
1882 struct i915_address_space
*vm
;
1883 struct i915_vma
*vma
, *x
;
1886 DRM_DEBUG_DRIVER("Dropping caches: 0x%08llx\n", val
);
1888 /* No need to check and wait for gpu resets, only libdrm auto-restarts
1889 * on ioctls on -EAGAIN. */
1890 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1894 if (val
& DROP_ACTIVE
) {
1895 ret
= i915_gpu_idle(dev
);
1900 if (val
& (DROP_RETIRE
| DROP_ACTIVE
))
1901 i915_gem_retire_requests(dev
);
1903 if (val
& DROP_BOUND
) {
1904 list_for_each_entry(vm
, &dev_priv
->vm_list
, global_link
) {
1905 list_for_each_entry_safe(vma
, x
, &vm
->inactive_list
,
1907 if (vma
->obj
->pin_count
)
1910 ret
= i915_vma_unbind(vma
);
1917 if (val
& DROP_UNBOUND
) {
1918 list_for_each_entry_safe(obj
, next
, &dev_priv
->mm
.unbound_list
,
1920 if (obj
->pages_pin_count
== 0) {
1921 ret
= i915_gem_object_put_pages(obj
);
1928 mutex_unlock(&dev
->struct_mutex
);
1933 DEFINE_SIMPLE_ATTRIBUTE(i915_drop_caches_fops
,
1934 i915_drop_caches_get
, i915_drop_caches_set
,
1938 i915_max_freq_get(void *data
, u64
*val
)
1940 struct drm_device
*dev
= data
;
1941 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
1944 if (!(IS_GEN6(dev
) || IS_GEN7(dev
)))
1947 flush_delayed_work(&dev_priv
->rps
.delayed_resume_work
);
1949 ret
= mutex_lock_interruptible(&dev_priv
->rps
.hw_lock
);
1953 if (IS_VALLEYVIEW(dev
))
1954 *val
= vlv_gpu_freq(dev_priv
->mem_freq
,
1955 dev_priv
->rps
.max_delay
);
1957 *val
= dev_priv
->rps
.max_delay
* GT_FREQUENCY_MULTIPLIER
;
1958 mutex_unlock(&dev_priv
->rps
.hw_lock
);
1964 i915_max_freq_set(void *data
, u64 val
)
1966 struct drm_device
*dev
= data
;
1967 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1970 if (!(IS_GEN6(dev
) || IS_GEN7(dev
)))
1973 flush_delayed_work(&dev_priv
->rps
.delayed_resume_work
);
1975 DRM_DEBUG_DRIVER("Manually setting max freq to %llu\n", val
);
1977 ret
= mutex_lock_interruptible(&dev_priv
->rps
.hw_lock
);
1982 * Turbo will still be enabled, but won't go above the set value.
1984 if (IS_VALLEYVIEW(dev
)) {
1985 val
= vlv_freq_opcode(dev_priv
->mem_freq
, val
);
1986 dev_priv
->rps
.max_delay
= val
;
1987 gen6_set_rps(dev
, val
);
1989 do_div(val
, GT_FREQUENCY_MULTIPLIER
);
1990 dev_priv
->rps
.max_delay
= val
;
1991 gen6_set_rps(dev
, val
);
1994 mutex_unlock(&dev_priv
->rps
.hw_lock
);
1999 DEFINE_SIMPLE_ATTRIBUTE(i915_max_freq_fops
,
2000 i915_max_freq_get
, i915_max_freq_set
,
2004 i915_min_freq_get(void *data
, u64
*val
)
2006 struct drm_device
*dev
= data
;
2007 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
2010 if (!(IS_GEN6(dev
) || IS_GEN7(dev
)))
2013 flush_delayed_work(&dev_priv
->rps
.delayed_resume_work
);
2015 ret
= mutex_lock_interruptible(&dev_priv
->rps
.hw_lock
);
2019 if (IS_VALLEYVIEW(dev
))
2020 *val
= vlv_gpu_freq(dev_priv
->mem_freq
,
2021 dev_priv
->rps
.min_delay
);
2023 *val
= dev_priv
->rps
.min_delay
* GT_FREQUENCY_MULTIPLIER
;
2024 mutex_unlock(&dev_priv
->rps
.hw_lock
);
2030 i915_min_freq_set(void *data
, u64 val
)
2032 struct drm_device
*dev
= data
;
2033 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2036 if (!(IS_GEN6(dev
) || IS_GEN7(dev
)))
2039 flush_delayed_work(&dev_priv
->rps
.delayed_resume_work
);
2041 DRM_DEBUG_DRIVER("Manually setting min freq to %llu\n", val
);
2043 ret
= mutex_lock_interruptible(&dev_priv
->rps
.hw_lock
);
2048 * Turbo will still be enabled, but won't go below the set value.
2050 if (IS_VALLEYVIEW(dev
)) {
2051 val
= vlv_freq_opcode(dev_priv
->mem_freq
, val
);
2052 dev_priv
->rps
.min_delay
= val
;
2053 valleyview_set_rps(dev
, val
);
2055 do_div(val
, GT_FREQUENCY_MULTIPLIER
);
2056 dev_priv
->rps
.min_delay
= val
;
2057 gen6_set_rps(dev
, val
);
2059 mutex_unlock(&dev_priv
->rps
.hw_lock
);
2064 DEFINE_SIMPLE_ATTRIBUTE(i915_min_freq_fops
,
2065 i915_min_freq_get
, i915_min_freq_set
,
2069 i915_cache_sharing_get(void *data
, u64
*val
)
2071 struct drm_device
*dev
= data
;
2072 drm_i915_private_t
*dev_priv
= dev
->dev_private
;
2076 if (!(IS_GEN6(dev
) || IS_GEN7(dev
)))
2079 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
2083 snpcr
= I915_READ(GEN6_MBCUNIT_SNPCR
);
2084 mutex_unlock(&dev_priv
->dev
->struct_mutex
);
2086 *val
= (snpcr
& GEN6_MBC_SNPCR_MASK
) >> GEN6_MBC_SNPCR_SHIFT
;
2092 i915_cache_sharing_set(void *data
, u64 val
)
2094 struct drm_device
*dev
= data
;
2095 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2098 if (!(IS_GEN6(dev
) || IS_GEN7(dev
)))
2104 DRM_DEBUG_DRIVER("Manually setting uncore sharing to %llu\n", val
);
2106 /* Update the cache sharing policy here as well */
2107 snpcr
= I915_READ(GEN6_MBCUNIT_SNPCR
);
2108 snpcr
&= ~GEN6_MBC_SNPCR_MASK
;
2109 snpcr
|= (val
<< GEN6_MBC_SNPCR_SHIFT
);
2110 I915_WRITE(GEN6_MBCUNIT_SNPCR
, snpcr
);
2115 DEFINE_SIMPLE_ATTRIBUTE(i915_cache_sharing_fops
,
2116 i915_cache_sharing_get
, i915_cache_sharing_set
,
2119 /* As the drm_debugfs_init() routines are called before dev->dev_private is
2120 * allocated we need to hook into the minor for release. */
2122 drm_add_fake_info_node(struct drm_minor
*minor
,
2126 struct drm_info_node
*node
;
2128 node
= kmalloc(sizeof(*node
), GFP_KERNEL
);
2130 debugfs_remove(ent
);
2134 node
->minor
= minor
;
2136 node
->info_ent
= (void *) key
;
2138 mutex_lock(&minor
->debugfs_lock
);
2139 list_add(&node
->list
, &minor
->debugfs_list
);
2140 mutex_unlock(&minor
->debugfs_lock
);
2145 static int i915_forcewake_open(struct inode
*inode
, struct file
*file
)
2147 struct drm_device
*dev
= inode
->i_private
;
2148 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2150 if (INTEL_INFO(dev
)->gen
< 6)
2153 gen6_gt_force_wake_get(dev_priv
);
2158 static int i915_forcewake_release(struct inode
*inode
, struct file
*file
)
2160 struct drm_device
*dev
= inode
->i_private
;
2161 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2163 if (INTEL_INFO(dev
)->gen
< 6)
2166 gen6_gt_force_wake_put(dev_priv
);
2171 static const struct file_operations i915_forcewake_fops
= {
2172 .owner
= THIS_MODULE
,
2173 .open
= i915_forcewake_open
,
2174 .release
= i915_forcewake_release
,
2177 static int i915_forcewake_create(struct dentry
*root
, struct drm_minor
*minor
)
2179 struct drm_device
*dev
= minor
->dev
;
2182 ent
= debugfs_create_file("i915_forcewake_user",
2185 &i915_forcewake_fops
);
2187 return PTR_ERR(ent
);
2189 return drm_add_fake_info_node(minor
, ent
, &i915_forcewake_fops
);
2192 static int i915_debugfs_create(struct dentry
*root
,
2193 struct drm_minor
*minor
,
2195 const struct file_operations
*fops
)
2197 struct drm_device
*dev
= minor
->dev
;
2200 ent
= debugfs_create_file(name
,
2205 return PTR_ERR(ent
);
2207 return drm_add_fake_info_node(minor
, ent
, fops
);
2210 static struct drm_info_list i915_debugfs_list
[] = {
2211 {"i915_capabilities", i915_capabilities
, 0},
2212 {"i915_gem_objects", i915_gem_object_info
, 0},
2213 {"i915_gem_gtt", i915_gem_gtt_info
, 0},
2214 {"i915_gem_pinned", i915_gem_gtt_info
, 0, (void *) PINNED_LIST
},
2215 {"i915_gem_active", i915_gem_object_list_info
, 0, (void *) ACTIVE_LIST
},
2216 {"i915_gem_inactive", i915_gem_object_list_info
, 0, (void *) INACTIVE_LIST
},
2217 {"i915_gem_stolen", i915_gem_stolen_list_info
},
2218 {"i915_gem_pageflip", i915_gem_pageflip_info
, 0},
2219 {"i915_gem_request", i915_gem_request_info
, 0},
2220 {"i915_gem_seqno", i915_gem_seqno_info
, 0},
2221 {"i915_gem_fence_regs", i915_gem_fence_regs_info
, 0},
2222 {"i915_gem_interrupt", i915_interrupt_info
, 0},
2223 {"i915_gem_hws", i915_hws_info
, 0, (void *)RCS
},
2224 {"i915_gem_hws_blt", i915_hws_info
, 0, (void *)BCS
},
2225 {"i915_gem_hws_bsd", i915_hws_info
, 0, (void *)VCS
},
2226 {"i915_gem_hws_vebox", i915_hws_info
, 0, (void *)VECS
},
2227 {"i915_rstdby_delays", i915_rstdby_delays
, 0},
2228 {"i915_cur_delayinfo", i915_cur_delayinfo
, 0},
2229 {"i915_delayfreq_table", i915_delayfreq_table
, 0},
2230 {"i915_inttoext_table", i915_inttoext_table
, 0},
2231 {"i915_drpc_info", i915_drpc_info
, 0},
2232 {"i915_emon_status", i915_emon_status
, 0},
2233 {"i915_ring_freq_table", i915_ring_freq_table
, 0},
2234 {"i915_gfxec", i915_gfxec
, 0},
2235 {"i915_fbc_status", i915_fbc_status
, 0},
2236 {"i915_ips_status", i915_ips_status
, 0},
2237 {"i915_sr_status", i915_sr_status
, 0},
2238 {"i915_opregion", i915_opregion
, 0},
2239 {"i915_gem_framebuffer", i915_gem_framebuffer_info
, 0},
2240 {"i915_context_status", i915_context_status
, 0},
2241 {"i915_gen6_forcewake_count", i915_gen6_forcewake_count_info
, 0},
2242 {"i915_swizzle_info", i915_swizzle_info
, 0},
2243 {"i915_ppgtt_info", i915_ppgtt_info
, 0},
2244 {"i915_dpio", i915_dpio_info
, 0},
2245 {"i915_llc", i915_llc
, 0},
2246 {"i915_edp_psr_status", i915_edp_psr_status
, 0},
2247 {"i915_energy_uJ", i915_energy_uJ
, 0},
2248 {"i915_pc8_status", i915_pc8_status
, 0},
2250 #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
2252 static struct i915_debugfs_files
{
2254 const struct file_operations
*fops
;
2255 } i915_debugfs_files
[] = {
2256 {"i915_wedged", &i915_wedged_fops
},
2257 {"i915_max_freq", &i915_max_freq_fops
},
2258 {"i915_min_freq", &i915_min_freq_fops
},
2259 {"i915_cache_sharing", &i915_cache_sharing_fops
},
2260 {"i915_ring_stop", &i915_ring_stop_fops
},
2261 {"i915_ring_missed_irq", &i915_ring_missed_irq_fops
},
2262 {"i915_ring_test_irq", &i915_ring_test_irq_fops
},
2263 {"i915_gem_drop_caches", &i915_drop_caches_fops
},
2264 {"i915_error_state", &i915_error_state_fops
},
2265 {"i915_next_seqno", &i915_next_seqno_fops
},
2268 int i915_debugfs_init(struct drm_minor
*minor
)
2272 ret
= i915_forcewake_create(minor
->debugfs_root
, minor
);
2276 for (i
= 0; i
< ARRAY_SIZE(i915_debugfs_files
); i
++) {
2277 ret
= i915_debugfs_create(minor
->debugfs_root
, minor
,
2278 i915_debugfs_files
[i
].name
,
2279 i915_debugfs_files
[i
].fops
);
2284 return drm_debugfs_create_files(i915_debugfs_list
,
2285 I915_DEBUGFS_ENTRIES
,
2286 minor
->debugfs_root
, minor
);
2289 void i915_debugfs_cleanup(struct drm_minor
*minor
)
2293 drm_debugfs_remove_files(i915_debugfs_list
,
2294 I915_DEBUGFS_ENTRIES
, minor
);
2295 drm_debugfs_remove_files((struct drm_info_list
*) &i915_forcewake_fops
,
2297 for (i
= 0; i
< ARRAY_SIZE(i915_debugfs_files
); i
++) {
2298 struct drm_info_list
*info_list
=
2299 (struct drm_info_list
*) i915_debugfs_files
[i
].fops
;
2301 drm_debugfs_remove_files(info_list
, 1, minor
);
2305 #endif /* CONFIG_DEBUG_FS */