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/circ_buf.h>
31 #include <linux/ctype.h>
32 #include <linux/debugfs.h>
33 #include <linux/slab.h>
34 #include <linux/export.h>
35 #include <linux/list_sort.h>
36 #include <asm/msr-index.h>
38 #include "intel_drv.h"
39 #include "intel_ringbuffer.h"
40 #include <drm/i915_drm.h>
49 /* As the drm_debugfs_init() routines are called before dev->dev_private is
50 * allocated we need to hook into the minor for release. */
52 drm_add_fake_info_node(struct drm_minor
*minor
,
56 struct drm_info_node
*node
;
58 node
= kmalloc(sizeof(*node
), GFP_KERNEL
);
66 node
->info_ent
= (void *) key
;
68 mutex_lock(&minor
->debugfs_lock
);
69 list_add(&node
->list
, &minor
->debugfs_list
);
70 mutex_unlock(&minor
->debugfs_lock
);
75 static int i915_capabilities(struct seq_file
*m
, void *data
)
77 struct drm_info_node
*node
= m
->private;
78 struct drm_device
*dev
= node
->minor
->dev
;
79 const struct intel_device_info
*info
= INTEL_INFO(dev
);
81 seq_printf(m
, "gen: %d\n", info
->gen
);
82 seq_printf(m
, "pch: %d\n", INTEL_PCH_TYPE(dev
));
83 #define PRINT_FLAG(x) seq_printf(m, #x ": %s\n", yesno(info->x))
84 #define SEP_SEMICOLON ;
85 DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG
, SEP_SEMICOLON
);
92 static char get_active_flag(struct drm_i915_gem_object
*obj
)
94 return obj
->active
? '*' : ' ';
97 static char get_pin_flag(struct drm_i915_gem_object
*obj
)
99 return obj
->pin_display
? 'p' : ' ';
102 static char get_tiling_flag(struct drm_i915_gem_object
*obj
)
104 switch (obj
->tiling_mode
) {
106 case I915_TILING_NONE
: return ' ';
107 case I915_TILING_X
: return 'X';
108 case I915_TILING_Y
: return 'Y';
112 static char get_global_flag(struct drm_i915_gem_object
*obj
)
114 return i915_gem_obj_to_ggtt(obj
) ? 'g' : ' ';
117 static char get_pin_mapped_flag(struct drm_i915_gem_object
*obj
)
119 return obj
->mapping
? 'M' : ' ';
122 static u64
i915_gem_obj_total_ggtt_size(struct drm_i915_gem_object
*obj
)
125 struct i915_vma
*vma
;
127 list_for_each_entry(vma
, &obj
->vma_list
, obj_link
) {
128 if (vma
->is_ggtt
&& drm_mm_node_allocated(&vma
->node
))
129 size
+= vma
->node
.size
;
136 describe_obj(struct seq_file
*m
, struct drm_i915_gem_object
*obj
)
138 struct drm_i915_private
*dev_priv
= to_i915(obj
->base
.dev
);
139 struct intel_engine_cs
*engine
;
140 struct i915_vma
*vma
;
142 enum intel_engine_id id
;
144 lockdep_assert_held(&obj
->base
.dev
->struct_mutex
);
146 seq_printf(m
, "%pK: %c%c%c%c%c %8zdKiB %02x %02x [ ",
148 get_active_flag(obj
),
150 get_tiling_flag(obj
),
151 get_global_flag(obj
),
152 get_pin_mapped_flag(obj
),
153 obj
->base
.size
/ 1024,
154 obj
->base
.read_domains
,
155 obj
->base
.write_domain
);
156 for_each_engine_id(engine
, dev_priv
, id
)
158 i915_gem_request_get_seqno(obj
->last_read_req
[id
]));
159 seq_printf(m
, "] %x %x%s%s%s",
160 i915_gem_request_get_seqno(obj
->last_write_req
),
161 i915_gem_request_get_seqno(obj
->last_fenced_req
),
162 i915_cache_level_str(to_i915(obj
->base
.dev
), obj
->cache_level
),
163 obj
->dirty
? " dirty" : "",
164 obj
->madv
== I915_MADV_DONTNEED
? " purgeable" : "");
166 seq_printf(m
, " (name: %d)", obj
->base
.name
);
167 list_for_each_entry(vma
, &obj
->vma_list
, obj_link
) {
168 if (vma
->pin_count
> 0)
171 seq_printf(m
, " (pinned x %d)", pin_count
);
172 if (obj
->pin_display
)
173 seq_printf(m
, " (display)");
174 if (obj
->fence_reg
!= I915_FENCE_REG_NONE
)
175 seq_printf(m
, " (fence: %d)", obj
->fence_reg
);
176 list_for_each_entry(vma
, &obj
->vma_list
, obj_link
) {
177 seq_printf(m
, " (%sgtt offset: %08llx, size: %08llx",
178 vma
->is_ggtt
? "g" : "pp",
179 vma
->node
.start
, vma
->node
.size
);
181 seq_printf(m
, ", type: %u", vma
->ggtt_view
.type
);
185 seq_printf(m
, " (stolen: %08llx)", obj
->stolen
->start
);
186 if (obj
->pin_display
|| obj
->fault_mappable
) {
188 if (obj
->pin_display
)
190 if (obj
->fault_mappable
)
193 seq_printf(m
, " (%s mappable)", s
);
195 if (obj
->last_write_req
!= NULL
)
196 seq_printf(m
, " (%s)",
197 i915_gem_request_get_engine(obj
->last_write_req
)->name
);
198 if (obj
->frontbuffer_bits
)
199 seq_printf(m
, " (frontbuffer: 0x%03x)", obj
->frontbuffer_bits
);
202 static int i915_gem_object_list_info(struct seq_file
*m
, void *data
)
204 struct drm_info_node
*node
= m
->private;
205 uintptr_t list
= (uintptr_t) node
->info_ent
->data
;
206 struct list_head
*head
;
207 struct drm_device
*dev
= node
->minor
->dev
;
208 struct drm_i915_private
*dev_priv
= to_i915(dev
);
209 struct i915_ggtt
*ggtt
= &dev_priv
->ggtt
;
210 struct i915_vma
*vma
;
211 u64 total_obj_size
, total_gtt_size
;
214 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
218 /* FIXME: the user of this interface might want more than just GGTT */
221 seq_puts(m
, "Active:\n");
222 head
= &ggtt
->base
.active_list
;
225 seq_puts(m
, "Inactive:\n");
226 head
= &ggtt
->base
.inactive_list
;
229 mutex_unlock(&dev
->struct_mutex
);
233 total_obj_size
= total_gtt_size
= count
= 0;
234 list_for_each_entry(vma
, head
, vm_link
) {
236 describe_obj(m
, vma
->obj
);
238 total_obj_size
+= vma
->obj
->base
.size
;
239 total_gtt_size
+= vma
->node
.size
;
242 mutex_unlock(&dev
->struct_mutex
);
244 seq_printf(m
, "Total %d objects, %llu bytes, %llu GTT size\n",
245 count
, total_obj_size
, total_gtt_size
);
249 static int obj_rank_by_stolen(void *priv
,
250 struct list_head
*A
, struct list_head
*B
)
252 struct drm_i915_gem_object
*a
=
253 container_of(A
, struct drm_i915_gem_object
, obj_exec_link
);
254 struct drm_i915_gem_object
*b
=
255 container_of(B
, struct drm_i915_gem_object
, obj_exec_link
);
257 if (a
->stolen
->start
< b
->stolen
->start
)
259 if (a
->stolen
->start
> b
->stolen
->start
)
264 static int i915_gem_stolen_list_info(struct seq_file
*m
, void *data
)
266 struct drm_info_node
*node
= m
->private;
267 struct drm_device
*dev
= node
->minor
->dev
;
268 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
269 struct drm_i915_gem_object
*obj
;
270 u64 total_obj_size
, total_gtt_size
;
274 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
278 total_obj_size
= total_gtt_size
= count
= 0;
279 list_for_each_entry(obj
, &dev_priv
->mm
.bound_list
, global_list
) {
280 if (obj
->stolen
== NULL
)
283 list_add(&obj
->obj_exec_link
, &stolen
);
285 total_obj_size
+= obj
->base
.size
;
286 total_gtt_size
+= i915_gem_obj_total_ggtt_size(obj
);
289 list_for_each_entry(obj
, &dev_priv
->mm
.unbound_list
, global_list
) {
290 if (obj
->stolen
== NULL
)
293 list_add(&obj
->obj_exec_link
, &stolen
);
295 total_obj_size
+= obj
->base
.size
;
298 list_sort(NULL
, &stolen
, obj_rank_by_stolen
);
299 seq_puts(m
, "Stolen:\n");
300 while (!list_empty(&stolen
)) {
301 obj
= list_first_entry(&stolen
, typeof(*obj
), obj_exec_link
);
303 describe_obj(m
, obj
);
305 list_del_init(&obj
->obj_exec_link
);
307 mutex_unlock(&dev
->struct_mutex
);
309 seq_printf(m
, "Total %d objects, %llu bytes, %llu GTT size\n",
310 count
, total_obj_size
, total_gtt_size
);
314 #define count_objects(list, member) do { \
315 list_for_each_entry(obj, list, member) { \
316 size += i915_gem_obj_total_ggtt_size(obj); \
318 if (obj->map_and_fenceable) { \
319 mappable_size += i915_gem_obj_ggtt_size(obj); \
326 struct drm_i915_file_private
*file_priv
;
330 u64 active
, inactive
;
333 static int per_file_stats(int id
, void *ptr
, void *data
)
335 struct drm_i915_gem_object
*obj
= ptr
;
336 struct file_stats
*stats
= data
;
337 struct i915_vma
*vma
;
340 stats
->total
+= obj
->base
.size
;
342 if (obj
->base
.name
|| obj
->base
.dma_buf
)
343 stats
->shared
+= obj
->base
.size
;
345 if (USES_FULL_PPGTT(obj
->base
.dev
)) {
346 list_for_each_entry(vma
, &obj
->vma_list
, obj_link
) {
347 struct i915_hw_ppgtt
*ppgtt
;
349 if (!drm_mm_node_allocated(&vma
->node
))
353 stats
->global
+= obj
->base
.size
;
357 ppgtt
= container_of(vma
->vm
, struct i915_hw_ppgtt
, base
);
358 if (ppgtt
->file_priv
!= stats
->file_priv
)
361 if (obj
->active
) /* XXX per-vma statistic */
362 stats
->active
+= obj
->base
.size
;
364 stats
->inactive
+= obj
->base
.size
;
369 if (i915_gem_obj_ggtt_bound(obj
)) {
370 stats
->global
+= obj
->base
.size
;
372 stats
->active
+= obj
->base
.size
;
374 stats
->inactive
+= obj
->base
.size
;
379 if (!list_empty(&obj
->global_list
))
380 stats
->unbound
+= obj
->base
.size
;
385 #define print_file_stats(m, name, stats) do { \
387 seq_printf(m, "%s: %lu objects, %llu bytes (%llu active, %llu inactive, %llu global, %llu shared, %llu unbound)\n", \
398 static void print_batch_pool_stats(struct seq_file
*m
,
399 struct drm_i915_private
*dev_priv
)
401 struct drm_i915_gem_object
*obj
;
402 struct file_stats stats
;
403 struct intel_engine_cs
*engine
;
406 memset(&stats
, 0, sizeof(stats
));
408 for_each_engine(engine
, dev_priv
) {
409 for (j
= 0; j
< ARRAY_SIZE(engine
->batch_pool
.cache_list
); j
++) {
410 list_for_each_entry(obj
,
411 &engine
->batch_pool
.cache_list
[j
],
413 per_file_stats(0, obj
, &stats
);
417 print_file_stats(m
, "[k]batch pool", stats
);
420 static int per_file_ctx_stats(int id
, void *ptr
, void *data
)
422 struct i915_gem_context
*ctx
= ptr
;
425 for (n
= 0; n
< ARRAY_SIZE(ctx
->engine
); n
++) {
426 if (ctx
->engine
[n
].state
)
427 per_file_stats(0, ctx
->engine
[n
].state
, data
);
428 if (ctx
->engine
[n
].ringbuf
)
429 per_file_stats(0, ctx
->engine
[n
].ringbuf
->obj
, data
);
435 static void print_context_stats(struct seq_file
*m
,
436 struct drm_i915_private
*dev_priv
)
438 struct file_stats stats
;
439 struct drm_file
*file
;
441 memset(&stats
, 0, sizeof(stats
));
443 mutex_lock(&dev_priv
->dev
->struct_mutex
);
444 if (dev_priv
->kernel_context
)
445 per_file_ctx_stats(0, dev_priv
->kernel_context
, &stats
);
447 list_for_each_entry(file
, &dev_priv
->dev
->filelist
, lhead
) {
448 struct drm_i915_file_private
*fpriv
= file
->driver_priv
;
449 idr_for_each(&fpriv
->context_idr
, per_file_ctx_stats
, &stats
);
451 mutex_unlock(&dev_priv
->dev
->struct_mutex
);
453 print_file_stats(m
, "[k]contexts", stats
);
456 #define count_vmas(list, member) do { \
457 list_for_each_entry(vma, list, member) { \
458 size += i915_gem_obj_total_ggtt_size(vma->obj); \
460 if (vma->obj->map_and_fenceable) { \
461 mappable_size += i915_gem_obj_ggtt_size(vma->obj); \
467 static int i915_gem_object_info(struct seq_file
*m
, void* data
)
469 struct drm_info_node
*node
= m
->private;
470 struct drm_device
*dev
= node
->minor
->dev
;
471 struct drm_i915_private
*dev_priv
= to_i915(dev
);
472 struct i915_ggtt
*ggtt
= &dev_priv
->ggtt
;
473 u32 count
, mappable_count
, purgeable_count
;
474 u64 size
, mappable_size
, purgeable_size
;
475 unsigned long pin_mapped_count
= 0, pin_mapped_purgeable_count
= 0;
476 u64 pin_mapped_size
= 0, pin_mapped_purgeable_size
= 0;
477 struct drm_i915_gem_object
*obj
;
478 struct drm_file
*file
;
479 struct i915_vma
*vma
;
482 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
486 seq_printf(m
, "%u objects, %zu bytes\n",
487 dev_priv
->mm
.object_count
,
488 dev_priv
->mm
.object_memory
);
490 size
= count
= mappable_size
= mappable_count
= 0;
491 count_objects(&dev_priv
->mm
.bound_list
, global_list
);
492 seq_printf(m
, "%u [%u] objects, %llu [%llu] bytes in gtt\n",
493 count
, mappable_count
, size
, mappable_size
);
495 size
= count
= mappable_size
= mappable_count
= 0;
496 count_vmas(&ggtt
->base
.active_list
, vm_link
);
497 seq_printf(m
, " %u [%u] active objects, %llu [%llu] bytes\n",
498 count
, mappable_count
, size
, mappable_size
);
500 size
= count
= mappable_size
= mappable_count
= 0;
501 count_vmas(&ggtt
->base
.inactive_list
, vm_link
);
502 seq_printf(m
, " %u [%u] inactive objects, %llu [%llu] bytes\n",
503 count
, mappable_count
, size
, mappable_size
);
505 size
= count
= purgeable_size
= purgeable_count
= 0;
506 list_for_each_entry(obj
, &dev_priv
->mm
.unbound_list
, global_list
) {
507 size
+= obj
->base
.size
, ++count
;
508 if (obj
->madv
== I915_MADV_DONTNEED
)
509 purgeable_size
+= obj
->base
.size
, ++purgeable_count
;
512 pin_mapped_size
+= obj
->base
.size
;
513 if (obj
->pages_pin_count
== 0) {
514 pin_mapped_purgeable_count
++;
515 pin_mapped_purgeable_size
+= obj
->base
.size
;
519 seq_printf(m
, "%u unbound objects, %llu bytes\n", count
, size
);
521 size
= count
= mappable_size
= mappable_count
= 0;
522 list_for_each_entry(obj
, &dev_priv
->mm
.bound_list
, global_list
) {
523 if (obj
->fault_mappable
) {
524 size
+= i915_gem_obj_ggtt_size(obj
);
527 if (obj
->pin_display
) {
528 mappable_size
+= i915_gem_obj_ggtt_size(obj
);
531 if (obj
->madv
== I915_MADV_DONTNEED
) {
532 purgeable_size
+= obj
->base
.size
;
537 pin_mapped_size
+= obj
->base
.size
;
538 if (obj
->pages_pin_count
== 0) {
539 pin_mapped_purgeable_count
++;
540 pin_mapped_purgeable_size
+= obj
->base
.size
;
544 seq_printf(m
, "%u purgeable objects, %llu bytes\n",
545 purgeable_count
, purgeable_size
);
546 seq_printf(m
, "%u pinned mappable objects, %llu bytes\n",
547 mappable_count
, mappable_size
);
548 seq_printf(m
, "%u fault mappable objects, %llu bytes\n",
551 "%lu [%lu] pin mapped objects, %llu [%llu] bytes [purgeable]\n",
552 pin_mapped_count
, pin_mapped_purgeable_count
,
553 pin_mapped_size
, pin_mapped_purgeable_size
);
555 seq_printf(m
, "%llu [%llu] gtt total\n",
556 ggtt
->base
.total
, ggtt
->mappable_end
- ggtt
->base
.start
);
559 print_batch_pool_stats(m
, dev_priv
);
560 mutex_unlock(&dev
->struct_mutex
);
562 mutex_lock(&dev
->filelist_mutex
);
563 print_context_stats(m
, dev_priv
);
564 list_for_each_entry_reverse(file
, &dev
->filelist
, lhead
) {
565 struct file_stats stats
;
566 struct task_struct
*task
;
568 memset(&stats
, 0, sizeof(stats
));
569 stats
.file_priv
= file
->driver_priv
;
570 spin_lock(&file
->table_lock
);
571 idr_for_each(&file
->object_idr
, per_file_stats
, &stats
);
572 spin_unlock(&file
->table_lock
);
574 * Although we have a valid reference on file->pid, that does
575 * not guarantee that the task_struct who called get_pid() is
576 * still alive (e.g. get_pid(current) => fork() => exit()).
577 * Therefore, we need to protect this ->comm access using RCU.
580 task
= pid_task(file
->pid
, PIDTYPE_PID
);
581 print_file_stats(m
, task
? task
->comm
: "<unknown>", stats
);
584 mutex_unlock(&dev
->filelist_mutex
);
589 static int i915_gem_gtt_info(struct seq_file
*m
, void *data
)
591 struct drm_info_node
*node
= m
->private;
592 struct drm_device
*dev
= node
->minor
->dev
;
593 uintptr_t list
= (uintptr_t) node
->info_ent
->data
;
594 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
595 struct drm_i915_gem_object
*obj
;
596 u64 total_obj_size
, total_gtt_size
;
599 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
603 total_obj_size
= total_gtt_size
= count
= 0;
604 list_for_each_entry(obj
, &dev_priv
->mm
.bound_list
, global_list
) {
605 if (list
== PINNED_LIST
&& !i915_gem_obj_is_pinned(obj
))
609 describe_obj(m
, obj
);
611 total_obj_size
+= obj
->base
.size
;
612 total_gtt_size
+= i915_gem_obj_total_ggtt_size(obj
);
616 mutex_unlock(&dev
->struct_mutex
);
618 seq_printf(m
, "Total %d objects, %llu bytes, %llu GTT size\n",
619 count
, total_obj_size
, total_gtt_size
);
624 static int i915_gem_pageflip_info(struct seq_file
*m
, void *data
)
626 struct drm_info_node
*node
= m
->private;
627 struct drm_device
*dev
= node
->minor
->dev
;
628 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
629 struct intel_crtc
*crtc
;
632 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
636 for_each_intel_crtc(dev
, crtc
) {
637 const char pipe
= pipe_name(crtc
->pipe
);
638 const char plane
= plane_name(crtc
->plane
);
639 struct intel_flip_work
*work
;
641 spin_lock_irq(&dev
->event_lock
);
642 work
= crtc
->flip_work
;
644 seq_printf(m
, "No flip due on pipe %c (plane %c)\n",
650 pending
= atomic_read(&work
->pending
);
652 seq_printf(m
, "Flip ioctl preparing on pipe %c (plane %c)\n",
655 seq_printf(m
, "Flip pending (waiting for vsync) on pipe %c (plane %c)\n",
658 if (work
->flip_queued_req
) {
659 struct intel_engine_cs
*engine
= i915_gem_request_get_engine(work
->flip_queued_req
);
661 seq_printf(m
, "Flip queued on %s at seqno %x, next seqno %x [current breadcrumb %x], completed? %d\n",
663 i915_gem_request_get_seqno(work
->flip_queued_req
),
664 dev_priv
->next_seqno
,
665 engine
->get_seqno(engine
),
666 i915_gem_request_completed(work
->flip_queued_req
, true));
668 seq_printf(m
, "Flip not associated with any ring\n");
669 seq_printf(m
, "Flip queued on frame %d, (was ready on frame %d), now %d\n",
670 work
->flip_queued_vblank
,
671 work
->flip_ready_vblank
,
672 intel_crtc_get_vblank_counter(crtc
));
673 seq_printf(m
, "%d prepares\n", atomic_read(&work
->pending
));
675 if (INTEL_INFO(dev
)->gen
>= 4)
676 addr
= I915_HI_DISPBASE(I915_READ(DSPSURF(crtc
->plane
)));
678 addr
= I915_READ(DSPADDR(crtc
->plane
));
679 seq_printf(m
, "Current scanout address 0x%08x\n", addr
);
681 if (work
->pending_flip_obj
) {
682 seq_printf(m
, "New framebuffer address 0x%08lx\n", (long)work
->gtt_offset
);
683 seq_printf(m
, "MMIO update completed? %d\n", addr
== work
->gtt_offset
);
686 spin_unlock_irq(&dev
->event_lock
);
689 mutex_unlock(&dev
->struct_mutex
);
694 static int i915_gem_batch_pool_info(struct seq_file
*m
, void *data
)
696 struct drm_info_node
*node
= m
->private;
697 struct drm_device
*dev
= node
->minor
->dev
;
698 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
699 struct drm_i915_gem_object
*obj
;
700 struct intel_engine_cs
*engine
;
704 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
708 for_each_engine(engine
, dev_priv
) {
709 for (j
= 0; j
< ARRAY_SIZE(engine
->batch_pool
.cache_list
); j
++) {
713 list_for_each_entry(obj
,
714 &engine
->batch_pool
.cache_list
[j
],
717 seq_printf(m
, "%s cache[%d]: %d objects\n",
718 engine
->name
, j
, count
);
720 list_for_each_entry(obj
,
721 &engine
->batch_pool
.cache_list
[j
],
724 describe_obj(m
, obj
);
732 seq_printf(m
, "total: %d\n", total
);
734 mutex_unlock(&dev
->struct_mutex
);
739 static int i915_gem_request_info(struct seq_file
*m
, void *data
)
741 struct drm_info_node
*node
= m
->private;
742 struct drm_device
*dev
= node
->minor
->dev
;
743 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
744 struct intel_engine_cs
*engine
;
745 struct drm_i915_gem_request
*req
;
748 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
753 for_each_engine(engine
, dev_priv
) {
757 list_for_each_entry(req
, &engine
->request_list
, list
)
762 seq_printf(m
, "%s requests: %d\n", engine
->name
, count
);
763 list_for_each_entry(req
, &engine
->request_list
, list
) {
764 struct task_struct
*task
;
769 task
= pid_task(req
->pid
, PIDTYPE_PID
);
770 seq_printf(m
, " %x @ %d: %s [%d]\n",
772 (int) (jiffies
- req
->emitted_jiffies
),
773 task
? task
->comm
: "<unknown>",
774 task
? task
->pid
: -1);
780 mutex_unlock(&dev
->struct_mutex
);
783 seq_puts(m
, "No requests\n");
788 static void i915_ring_seqno_info(struct seq_file
*m
,
789 struct intel_engine_cs
*engine
)
791 seq_printf(m
, "Current sequence (%s): %x\n",
792 engine
->name
, engine
->get_seqno(engine
));
793 seq_printf(m
, "Current user interrupts (%s): %x\n",
794 engine
->name
, READ_ONCE(engine
->user_interrupts
));
797 static int i915_gem_seqno_info(struct seq_file
*m
, void *data
)
799 struct drm_info_node
*node
= m
->private;
800 struct drm_device
*dev
= node
->minor
->dev
;
801 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
802 struct intel_engine_cs
*engine
;
805 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
808 intel_runtime_pm_get(dev_priv
);
810 for_each_engine(engine
, dev_priv
)
811 i915_ring_seqno_info(m
, engine
);
813 intel_runtime_pm_put(dev_priv
);
814 mutex_unlock(&dev
->struct_mutex
);
820 static int i915_interrupt_info(struct seq_file
*m
, void *data
)
822 struct drm_info_node
*node
= m
->private;
823 struct drm_device
*dev
= node
->minor
->dev
;
824 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
825 struct intel_engine_cs
*engine
;
828 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
831 intel_runtime_pm_get(dev_priv
);
833 if (IS_CHERRYVIEW(dev
)) {
834 seq_printf(m
, "Master Interrupt Control:\t%08x\n",
835 I915_READ(GEN8_MASTER_IRQ
));
837 seq_printf(m
, "Display IER:\t%08x\n",
839 seq_printf(m
, "Display IIR:\t%08x\n",
841 seq_printf(m
, "Display IIR_RW:\t%08x\n",
842 I915_READ(VLV_IIR_RW
));
843 seq_printf(m
, "Display IMR:\t%08x\n",
845 for_each_pipe(dev_priv
, pipe
)
846 seq_printf(m
, "Pipe %c stat:\t%08x\n",
848 I915_READ(PIPESTAT(pipe
)));
850 seq_printf(m
, "Port hotplug:\t%08x\n",
851 I915_READ(PORT_HOTPLUG_EN
));
852 seq_printf(m
, "DPFLIPSTAT:\t%08x\n",
853 I915_READ(VLV_DPFLIPSTAT
));
854 seq_printf(m
, "DPINVGTT:\t%08x\n",
855 I915_READ(DPINVGTT
));
857 for (i
= 0; i
< 4; i
++) {
858 seq_printf(m
, "GT Interrupt IMR %d:\t%08x\n",
859 i
, I915_READ(GEN8_GT_IMR(i
)));
860 seq_printf(m
, "GT Interrupt IIR %d:\t%08x\n",
861 i
, I915_READ(GEN8_GT_IIR(i
)));
862 seq_printf(m
, "GT Interrupt IER %d:\t%08x\n",
863 i
, I915_READ(GEN8_GT_IER(i
)));
866 seq_printf(m
, "PCU interrupt mask:\t%08x\n",
867 I915_READ(GEN8_PCU_IMR
));
868 seq_printf(m
, "PCU interrupt identity:\t%08x\n",
869 I915_READ(GEN8_PCU_IIR
));
870 seq_printf(m
, "PCU interrupt enable:\t%08x\n",
871 I915_READ(GEN8_PCU_IER
));
872 } else if (INTEL_INFO(dev
)->gen
>= 8) {
873 seq_printf(m
, "Master Interrupt Control:\t%08x\n",
874 I915_READ(GEN8_MASTER_IRQ
));
876 for (i
= 0; i
< 4; i
++) {
877 seq_printf(m
, "GT Interrupt IMR %d:\t%08x\n",
878 i
, I915_READ(GEN8_GT_IMR(i
)));
879 seq_printf(m
, "GT Interrupt IIR %d:\t%08x\n",
880 i
, I915_READ(GEN8_GT_IIR(i
)));
881 seq_printf(m
, "GT Interrupt IER %d:\t%08x\n",
882 i
, I915_READ(GEN8_GT_IER(i
)));
885 for_each_pipe(dev_priv
, pipe
) {
886 enum intel_display_power_domain power_domain
;
888 power_domain
= POWER_DOMAIN_PIPE(pipe
);
889 if (!intel_display_power_get_if_enabled(dev_priv
,
891 seq_printf(m
, "Pipe %c power disabled\n",
895 seq_printf(m
, "Pipe %c IMR:\t%08x\n",
897 I915_READ(GEN8_DE_PIPE_IMR(pipe
)));
898 seq_printf(m
, "Pipe %c IIR:\t%08x\n",
900 I915_READ(GEN8_DE_PIPE_IIR(pipe
)));
901 seq_printf(m
, "Pipe %c IER:\t%08x\n",
903 I915_READ(GEN8_DE_PIPE_IER(pipe
)));
905 intel_display_power_put(dev_priv
, power_domain
);
908 seq_printf(m
, "Display Engine port interrupt mask:\t%08x\n",
909 I915_READ(GEN8_DE_PORT_IMR
));
910 seq_printf(m
, "Display Engine port interrupt identity:\t%08x\n",
911 I915_READ(GEN8_DE_PORT_IIR
));
912 seq_printf(m
, "Display Engine port interrupt enable:\t%08x\n",
913 I915_READ(GEN8_DE_PORT_IER
));
915 seq_printf(m
, "Display Engine misc interrupt mask:\t%08x\n",
916 I915_READ(GEN8_DE_MISC_IMR
));
917 seq_printf(m
, "Display Engine misc interrupt identity:\t%08x\n",
918 I915_READ(GEN8_DE_MISC_IIR
));
919 seq_printf(m
, "Display Engine misc interrupt enable:\t%08x\n",
920 I915_READ(GEN8_DE_MISC_IER
));
922 seq_printf(m
, "PCU interrupt mask:\t%08x\n",
923 I915_READ(GEN8_PCU_IMR
));
924 seq_printf(m
, "PCU interrupt identity:\t%08x\n",
925 I915_READ(GEN8_PCU_IIR
));
926 seq_printf(m
, "PCU interrupt enable:\t%08x\n",
927 I915_READ(GEN8_PCU_IER
));
928 } else if (IS_VALLEYVIEW(dev
)) {
929 seq_printf(m
, "Display IER:\t%08x\n",
931 seq_printf(m
, "Display IIR:\t%08x\n",
933 seq_printf(m
, "Display IIR_RW:\t%08x\n",
934 I915_READ(VLV_IIR_RW
));
935 seq_printf(m
, "Display IMR:\t%08x\n",
937 for_each_pipe(dev_priv
, pipe
)
938 seq_printf(m
, "Pipe %c stat:\t%08x\n",
940 I915_READ(PIPESTAT(pipe
)));
942 seq_printf(m
, "Master IER:\t%08x\n",
943 I915_READ(VLV_MASTER_IER
));
945 seq_printf(m
, "Render IER:\t%08x\n",
947 seq_printf(m
, "Render IIR:\t%08x\n",
949 seq_printf(m
, "Render IMR:\t%08x\n",
952 seq_printf(m
, "PM IER:\t\t%08x\n",
953 I915_READ(GEN6_PMIER
));
954 seq_printf(m
, "PM IIR:\t\t%08x\n",
955 I915_READ(GEN6_PMIIR
));
956 seq_printf(m
, "PM IMR:\t\t%08x\n",
957 I915_READ(GEN6_PMIMR
));
959 seq_printf(m
, "Port hotplug:\t%08x\n",
960 I915_READ(PORT_HOTPLUG_EN
));
961 seq_printf(m
, "DPFLIPSTAT:\t%08x\n",
962 I915_READ(VLV_DPFLIPSTAT
));
963 seq_printf(m
, "DPINVGTT:\t%08x\n",
964 I915_READ(DPINVGTT
));
966 } else if (!HAS_PCH_SPLIT(dev
)) {
967 seq_printf(m
, "Interrupt enable: %08x\n",
969 seq_printf(m
, "Interrupt identity: %08x\n",
971 seq_printf(m
, "Interrupt mask: %08x\n",
973 for_each_pipe(dev_priv
, pipe
)
974 seq_printf(m
, "Pipe %c stat: %08x\n",
976 I915_READ(PIPESTAT(pipe
)));
978 seq_printf(m
, "North Display Interrupt enable: %08x\n",
980 seq_printf(m
, "North Display Interrupt identity: %08x\n",
982 seq_printf(m
, "North Display Interrupt mask: %08x\n",
984 seq_printf(m
, "South Display Interrupt enable: %08x\n",
986 seq_printf(m
, "South Display Interrupt identity: %08x\n",
988 seq_printf(m
, "South Display Interrupt mask: %08x\n",
990 seq_printf(m
, "Graphics Interrupt enable: %08x\n",
992 seq_printf(m
, "Graphics Interrupt identity: %08x\n",
994 seq_printf(m
, "Graphics Interrupt mask: %08x\n",
997 for_each_engine(engine
, dev_priv
) {
998 if (INTEL_INFO(dev
)->gen
>= 6) {
1000 "Graphics Interrupt mask (%s): %08x\n",
1001 engine
->name
, I915_READ_IMR(engine
));
1003 i915_ring_seqno_info(m
, engine
);
1005 intel_runtime_pm_put(dev_priv
);
1006 mutex_unlock(&dev
->struct_mutex
);
1011 static int i915_gem_fence_regs_info(struct seq_file
*m
, void *data
)
1013 struct drm_info_node
*node
= m
->private;
1014 struct drm_device
*dev
= node
->minor
->dev
;
1015 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1018 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1022 seq_printf(m
, "Total fences = %d\n", dev_priv
->num_fence_regs
);
1023 for (i
= 0; i
< dev_priv
->num_fence_regs
; i
++) {
1024 struct drm_i915_gem_object
*obj
= dev_priv
->fence_regs
[i
].obj
;
1026 seq_printf(m
, "Fence %d, pin count = %d, object = ",
1027 i
, dev_priv
->fence_regs
[i
].pin_count
);
1029 seq_puts(m
, "unused");
1031 describe_obj(m
, obj
);
1035 mutex_unlock(&dev
->struct_mutex
);
1039 static int i915_hws_info(struct seq_file
*m
, void *data
)
1041 struct drm_info_node
*node
= m
->private;
1042 struct drm_device
*dev
= node
->minor
->dev
;
1043 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1044 struct intel_engine_cs
*engine
;
1048 engine
= &dev_priv
->engine
[(uintptr_t)node
->info_ent
->data
];
1049 hws
= engine
->status_page
.page_addr
;
1053 for (i
= 0; i
< 4096 / sizeof(u32
) / 4; i
+= 4) {
1054 seq_printf(m
, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
1056 hws
[i
], hws
[i
+ 1], hws
[i
+ 2], hws
[i
+ 3]);
1062 i915_error_state_write(struct file
*filp
,
1063 const char __user
*ubuf
,
1067 struct i915_error_state_file_priv
*error_priv
= filp
->private_data
;
1068 struct drm_device
*dev
= error_priv
->dev
;
1071 DRM_DEBUG_DRIVER("Resetting error state\n");
1073 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1077 i915_destroy_error_state(dev
);
1078 mutex_unlock(&dev
->struct_mutex
);
1083 static int i915_error_state_open(struct inode
*inode
, struct file
*file
)
1085 struct drm_device
*dev
= inode
->i_private
;
1086 struct i915_error_state_file_priv
*error_priv
;
1088 error_priv
= kzalloc(sizeof(*error_priv
), GFP_KERNEL
);
1092 error_priv
->dev
= dev
;
1094 i915_error_state_get(dev
, error_priv
);
1096 file
->private_data
= error_priv
;
1101 static int i915_error_state_release(struct inode
*inode
, struct file
*file
)
1103 struct i915_error_state_file_priv
*error_priv
= file
->private_data
;
1105 i915_error_state_put(error_priv
);
1111 static ssize_t
i915_error_state_read(struct file
*file
, char __user
*userbuf
,
1112 size_t count
, loff_t
*pos
)
1114 struct i915_error_state_file_priv
*error_priv
= file
->private_data
;
1115 struct drm_i915_error_state_buf error_str
;
1117 ssize_t ret_count
= 0;
1120 ret
= i915_error_state_buf_init(&error_str
, to_i915(error_priv
->dev
), count
, *pos
);
1124 ret
= i915_error_state_to_str(&error_str
, error_priv
);
1128 ret_count
= simple_read_from_buffer(userbuf
, count
, &tmp_pos
,
1135 *pos
= error_str
.start
+ ret_count
;
1137 i915_error_state_buf_release(&error_str
);
1138 return ret
?: ret_count
;
1141 static const struct file_operations i915_error_state_fops
= {
1142 .owner
= THIS_MODULE
,
1143 .open
= i915_error_state_open
,
1144 .read
= i915_error_state_read
,
1145 .write
= i915_error_state_write
,
1146 .llseek
= default_llseek
,
1147 .release
= i915_error_state_release
,
1151 i915_next_seqno_get(void *data
, u64
*val
)
1153 struct drm_device
*dev
= data
;
1154 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1157 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1161 *val
= dev_priv
->next_seqno
;
1162 mutex_unlock(&dev
->struct_mutex
);
1168 i915_next_seqno_set(void *data
, u64 val
)
1170 struct drm_device
*dev
= data
;
1173 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1177 ret
= i915_gem_set_seqno(dev
, val
);
1178 mutex_unlock(&dev
->struct_mutex
);
1183 DEFINE_SIMPLE_ATTRIBUTE(i915_next_seqno_fops
,
1184 i915_next_seqno_get
, i915_next_seqno_set
,
1187 static int i915_frequency_info(struct seq_file
*m
, void *unused
)
1189 struct drm_info_node
*node
= m
->private;
1190 struct drm_device
*dev
= node
->minor
->dev
;
1191 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1194 intel_runtime_pm_get(dev_priv
);
1196 flush_delayed_work(&dev_priv
->rps
.delayed_resume_work
);
1199 u16 rgvswctl
= I915_READ16(MEMSWCTL
);
1200 u16 rgvstat
= I915_READ16(MEMSTAT_ILK
);
1202 seq_printf(m
, "Requested P-state: %d\n", (rgvswctl
>> 8) & 0xf);
1203 seq_printf(m
, "Requested VID: %d\n", rgvswctl
& 0x3f);
1204 seq_printf(m
, "Current VID: %d\n", (rgvstat
& MEMSTAT_VID_MASK
) >>
1206 seq_printf(m
, "Current P-state: %d\n",
1207 (rgvstat
& MEMSTAT_PSTATE_MASK
) >> MEMSTAT_PSTATE_SHIFT
);
1208 } else if (IS_VALLEYVIEW(dev
) || IS_CHERRYVIEW(dev
)) {
1211 mutex_lock(&dev_priv
->rps
.hw_lock
);
1212 freq_sts
= vlv_punit_read(dev_priv
, PUNIT_REG_GPU_FREQ_STS
);
1213 seq_printf(m
, "PUNIT_REG_GPU_FREQ_STS: 0x%08x\n", freq_sts
);
1214 seq_printf(m
, "DDR freq: %d MHz\n", dev_priv
->mem_freq
);
1216 seq_printf(m
, "actual GPU freq: %d MHz\n",
1217 intel_gpu_freq(dev_priv
, (freq_sts
>> 8) & 0xff));
1219 seq_printf(m
, "current GPU freq: %d MHz\n",
1220 intel_gpu_freq(dev_priv
, dev_priv
->rps
.cur_freq
));
1222 seq_printf(m
, "max GPU freq: %d MHz\n",
1223 intel_gpu_freq(dev_priv
, dev_priv
->rps
.max_freq
));
1225 seq_printf(m
, "min GPU freq: %d MHz\n",
1226 intel_gpu_freq(dev_priv
, dev_priv
->rps
.min_freq
));
1228 seq_printf(m
, "idle GPU freq: %d MHz\n",
1229 intel_gpu_freq(dev_priv
, dev_priv
->rps
.idle_freq
));
1232 "efficient (RPe) frequency: %d MHz\n",
1233 intel_gpu_freq(dev_priv
, dev_priv
->rps
.efficient_freq
));
1234 mutex_unlock(&dev_priv
->rps
.hw_lock
);
1235 } else if (INTEL_INFO(dev
)->gen
>= 6) {
1236 u32 rp_state_limits
;
1239 u32 rpmodectl
, rpinclimit
, rpdeclimit
;
1240 u32 rpstat
, cagf
, reqf
;
1241 u32 rpupei
, rpcurup
, rpprevup
;
1242 u32 rpdownei
, rpcurdown
, rpprevdown
;
1243 u32 pm_ier
, pm_imr
, pm_isr
, pm_iir
, pm_mask
;
1246 rp_state_limits
= I915_READ(GEN6_RP_STATE_LIMITS
);
1247 if (IS_BROXTON(dev
)) {
1248 rp_state_cap
= I915_READ(BXT_RP_STATE_CAP
);
1249 gt_perf_status
= I915_READ(BXT_GT_PERF_STATUS
);
1251 rp_state_cap
= I915_READ(GEN6_RP_STATE_CAP
);
1252 gt_perf_status
= I915_READ(GEN6_GT_PERF_STATUS
);
1255 /* RPSTAT1 is in the GT power well */
1256 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1260 intel_uncore_forcewake_get(dev_priv
, FORCEWAKE_ALL
);
1262 reqf
= I915_READ(GEN6_RPNSWREQ
);
1266 reqf
&= ~GEN6_TURBO_DISABLE
;
1267 if (IS_HASWELL(dev
) || IS_BROADWELL(dev
))
1272 reqf
= intel_gpu_freq(dev_priv
, reqf
);
1274 rpmodectl
= I915_READ(GEN6_RP_CONTROL
);
1275 rpinclimit
= I915_READ(GEN6_RP_UP_THRESHOLD
);
1276 rpdeclimit
= I915_READ(GEN6_RP_DOWN_THRESHOLD
);
1278 rpstat
= I915_READ(GEN6_RPSTAT1
);
1279 rpupei
= I915_READ(GEN6_RP_CUR_UP_EI
) & GEN6_CURICONT_MASK
;
1280 rpcurup
= I915_READ(GEN6_RP_CUR_UP
) & GEN6_CURBSYTAVG_MASK
;
1281 rpprevup
= I915_READ(GEN6_RP_PREV_UP
) & GEN6_CURBSYTAVG_MASK
;
1282 rpdownei
= I915_READ(GEN6_RP_CUR_DOWN_EI
) & GEN6_CURIAVG_MASK
;
1283 rpcurdown
= I915_READ(GEN6_RP_CUR_DOWN
) & GEN6_CURBSYTAVG_MASK
;
1284 rpprevdown
= I915_READ(GEN6_RP_PREV_DOWN
) & GEN6_CURBSYTAVG_MASK
;
1286 cagf
= (rpstat
& GEN9_CAGF_MASK
) >> GEN9_CAGF_SHIFT
;
1287 else if (IS_HASWELL(dev
) || IS_BROADWELL(dev
))
1288 cagf
= (rpstat
& HSW_CAGF_MASK
) >> HSW_CAGF_SHIFT
;
1290 cagf
= (rpstat
& GEN6_CAGF_MASK
) >> GEN6_CAGF_SHIFT
;
1291 cagf
= intel_gpu_freq(dev_priv
, cagf
);
1293 intel_uncore_forcewake_put(dev_priv
, FORCEWAKE_ALL
);
1294 mutex_unlock(&dev
->struct_mutex
);
1296 if (IS_GEN6(dev
) || IS_GEN7(dev
)) {
1297 pm_ier
= I915_READ(GEN6_PMIER
);
1298 pm_imr
= I915_READ(GEN6_PMIMR
);
1299 pm_isr
= I915_READ(GEN6_PMISR
);
1300 pm_iir
= I915_READ(GEN6_PMIIR
);
1301 pm_mask
= I915_READ(GEN6_PMINTRMSK
);
1303 pm_ier
= I915_READ(GEN8_GT_IER(2));
1304 pm_imr
= I915_READ(GEN8_GT_IMR(2));
1305 pm_isr
= I915_READ(GEN8_GT_ISR(2));
1306 pm_iir
= I915_READ(GEN8_GT_IIR(2));
1307 pm_mask
= I915_READ(GEN6_PMINTRMSK
);
1309 seq_printf(m
, "PM IER=0x%08x IMR=0x%08x ISR=0x%08x IIR=0x%08x, MASK=0x%08x\n",
1310 pm_ier
, pm_imr
, pm_isr
, pm_iir
, pm_mask
);
1311 seq_printf(m
, "pm_intr_keep: 0x%08x\n", dev_priv
->rps
.pm_intr_keep
);
1312 seq_printf(m
, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status
);
1313 seq_printf(m
, "Render p-state ratio: %d\n",
1314 (gt_perf_status
& (IS_GEN9(dev
) ? 0x1ff00 : 0xff00)) >> 8);
1315 seq_printf(m
, "Render p-state VID: %d\n",
1316 gt_perf_status
& 0xff);
1317 seq_printf(m
, "Render p-state limit: %d\n",
1318 rp_state_limits
& 0xff);
1319 seq_printf(m
, "RPSTAT1: 0x%08x\n", rpstat
);
1320 seq_printf(m
, "RPMODECTL: 0x%08x\n", rpmodectl
);
1321 seq_printf(m
, "RPINCLIMIT: 0x%08x\n", rpinclimit
);
1322 seq_printf(m
, "RPDECLIMIT: 0x%08x\n", rpdeclimit
);
1323 seq_printf(m
, "RPNSWREQ: %dMHz\n", reqf
);
1324 seq_printf(m
, "CAGF: %dMHz\n", cagf
);
1325 seq_printf(m
, "RP CUR UP EI: %d (%dus)\n",
1326 rpupei
, GT_PM_INTERVAL_TO_US(dev_priv
, rpupei
));
1327 seq_printf(m
, "RP CUR UP: %d (%dus)\n",
1328 rpcurup
, GT_PM_INTERVAL_TO_US(dev_priv
, rpcurup
));
1329 seq_printf(m
, "RP PREV UP: %d (%dus)\n",
1330 rpprevup
, GT_PM_INTERVAL_TO_US(dev_priv
, rpprevup
));
1331 seq_printf(m
, "Up threshold: %d%%\n",
1332 dev_priv
->rps
.up_threshold
);
1334 seq_printf(m
, "RP CUR DOWN EI: %d (%dus)\n",
1335 rpdownei
, GT_PM_INTERVAL_TO_US(dev_priv
, rpdownei
));
1336 seq_printf(m
, "RP CUR DOWN: %d (%dus)\n",
1337 rpcurdown
, GT_PM_INTERVAL_TO_US(dev_priv
, rpcurdown
));
1338 seq_printf(m
, "RP PREV DOWN: %d (%dus)\n",
1339 rpprevdown
, GT_PM_INTERVAL_TO_US(dev_priv
, rpprevdown
));
1340 seq_printf(m
, "Down threshold: %d%%\n",
1341 dev_priv
->rps
.down_threshold
);
1343 max_freq
= (IS_BROXTON(dev
) ? rp_state_cap
>> 0 :
1344 rp_state_cap
>> 16) & 0xff;
1345 max_freq
*= (IS_SKYLAKE(dev
) || IS_KABYLAKE(dev
) ?
1346 GEN9_FREQ_SCALER
: 1);
1347 seq_printf(m
, "Lowest (RPN) frequency: %dMHz\n",
1348 intel_gpu_freq(dev_priv
, max_freq
));
1350 max_freq
= (rp_state_cap
& 0xff00) >> 8;
1351 max_freq
*= (IS_SKYLAKE(dev
) || IS_KABYLAKE(dev
) ?
1352 GEN9_FREQ_SCALER
: 1);
1353 seq_printf(m
, "Nominal (RP1) frequency: %dMHz\n",
1354 intel_gpu_freq(dev_priv
, max_freq
));
1356 max_freq
= (IS_BROXTON(dev
) ? rp_state_cap
>> 16 :
1357 rp_state_cap
>> 0) & 0xff;
1358 max_freq
*= (IS_SKYLAKE(dev
) || IS_KABYLAKE(dev
) ?
1359 GEN9_FREQ_SCALER
: 1);
1360 seq_printf(m
, "Max non-overclocked (RP0) frequency: %dMHz\n",
1361 intel_gpu_freq(dev_priv
, max_freq
));
1362 seq_printf(m
, "Max overclocked frequency: %dMHz\n",
1363 intel_gpu_freq(dev_priv
, dev_priv
->rps
.max_freq
));
1365 seq_printf(m
, "Current freq: %d MHz\n",
1366 intel_gpu_freq(dev_priv
, dev_priv
->rps
.cur_freq
));
1367 seq_printf(m
, "Actual freq: %d MHz\n", cagf
);
1368 seq_printf(m
, "Idle freq: %d MHz\n",
1369 intel_gpu_freq(dev_priv
, dev_priv
->rps
.idle_freq
));
1370 seq_printf(m
, "Min freq: %d MHz\n",
1371 intel_gpu_freq(dev_priv
, dev_priv
->rps
.min_freq
));
1372 seq_printf(m
, "Max freq: %d MHz\n",
1373 intel_gpu_freq(dev_priv
, dev_priv
->rps
.max_freq
));
1375 "efficient (RPe) frequency: %d MHz\n",
1376 intel_gpu_freq(dev_priv
, dev_priv
->rps
.efficient_freq
));
1378 seq_puts(m
, "no P-state info available\n");
1381 seq_printf(m
, "Current CD clock frequency: %d kHz\n", dev_priv
->cdclk_freq
);
1382 seq_printf(m
, "Max CD clock frequency: %d kHz\n", dev_priv
->max_cdclk_freq
);
1383 seq_printf(m
, "Max pixel clock frequency: %d kHz\n", dev_priv
->max_dotclk_freq
);
1386 intel_runtime_pm_put(dev_priv
);
1390 static int i915_hangcheck_info(struct seq_file
*m
, void *unused
)
1392 struct drm_info_node
*node
= m
->private;
1393 struct drm_device
*dev
= node
->minor
->dev
;
1394 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1395 struct intel_engine_cs
*engine
;
1396 u64 acthd
[I915_NUM_ENGINES
];
1397 u32 seqno
[I915_NUM_ENGINES
];
1398 u32 instdone
[I915_NUM_INSTDONE_REG
];
1399 enum intel_engine_id id
;
1402 if (!i915
.enable_hangcheck
) {
1403 seq_printf(m
, "Hangcheck disabled\n");
1407 intel_runtime_pm_get(dev_priv
);
1409 for_each_engine_id(engine
, dev_priv
, id
) {
1410 acthd
[id
] = intel_ring_get_active_head(engine
);
1411 seqno
[id
] = engine
->get_seqno(engine
);
1414 i915_get_extra_instdone(dev_priv
, instdone
);
1416 intel_runtime_pm_put(dev_priv
);
1418 if (delayed_work_pending(&dev_priv
->gpu_error
.hangcheck_work
)) {
1419 seq_printf(m
, "Hangcheck active, fires in %dms\n",
1420 jiffies_to_msecs(dev_priv
->gpu_error
.hangcheck_work
.timer
.expires
-
1423 seq_printf(m
, "Hangcheck inactive\n");
1425 for_each_engine_id(engine
, dev_priv
, id
) {
1426 seq_printf(m
, "%s:\n", engine
->name
);
1427 seq_printf(m
, "\tseqno = %x [current %x, last %x]\n",
1428 engine
->hangcheck
.seqno
,
1430 engine
->last_submitted_seqno
);
1431 seq_printf(m
, "\tuser interrupts = %x [current %x]\n",
1432 engine
->hangcheck
.user_interrupts
,
1433 READ_ONCE(engine
->user_interrupts
));
1434 seq_printf(m
, "\tACTHD = 0x%08llx [current 0x%08llx]\n",
1435 (long long)engine
->hangcheck
.acthd
,
1436 (long long)acthd
[id
]);
1437 seq_printf(m
, "\tscore = %d\n", engine
->hangcheck
.score
);
1438 seq_printf(m
, "\taction = %d\n", engine
->hangcheck
.action
);
1440 if (engine
->id
== RCS
) {
1441 seq_puts(m
, "\tinstdone read =");
1443 for (j
= 0; j
< I915_NUM_INSTDONE_REG
; j
++)
1444 seq_printf(m
, " 0x%08x", instdone
[j
]);
1446 seq_puts(m
, "\n\tinstdone accu =");
1448 for (j
= 0; j
< I915_NUM_INSTDONE_REG
; j
++)
1449 seq_printf(m
, " 0x%08x",
1450 engine
->hangcheck
.instdone
[j
]);
1459 static int ironlake_drpc_info(struct seq_file
*m
)
1461 struct drm_info_node
*node
= m
->private;
1462 struct drm_device
*dev
= node
->minor
->dev
;
1463 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1464 u32 rgvmodectl
, rstdbyctl
;
1468 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1471 intel_runtime_pm_get(dev_priv
);
1473 rgvmodectl
= I915_READ(MEMMODECTL
);
1474 rstdbyctl
= I915_READ(RSTDBYCTL
);
1475 crstandvid
= I915_READ16(CRSTANDVID
);
1477 intel_runtime_pm_put(dev_priv
);
1478 mutex_unlock(&dev
->struct_mutex
);
1480 seq_printf(m
, "HD boost: %s\n", yesno(rgvmodectl
& MEMMODE_BOOST_EN
));
1481 seq_printf(m
, "Boost freq: %d\n",
1482 (rgvmodectl
& MEMMODE_BOOST_FREQ_MASK
) >>
1483 MEMMODE_BOOST_FREQ_SHIFT
);
1484 seq_printf(m
, "HW control enabled: %s\n",
1485 yesno(rgvmodectl
& MEMMODE_HWIDLE_EN
));
1486 seq_printf(m
, "SW control enabled: %s\n",
1487 yesno(rgvmodectl
& MEMMODE_SWMODE_EN
));
1488 seq_printf(m
, "Gated voltage change: %s\n",
1489 yesno(rgvmodectl
& MEMMODE_RCLK_GATE
));
1490 seq_printf(m
, "Starting frequency: P%d\n",
1491 (rgvmodectl
& MEMMODE_FSTART_MASK
) >> MEMMODE_FSTART_SHIFT
);
1492 seq_printf(m
, "Max P-state: P%d\n",
1493 (rgvmodectl
& MEMMODE_FMAX_MASK
) >> MEMMODE_FMAX_SHIFT
);
1494 seq_printf(m
, "Min P-state: P%d\n", (rgvmodectl
& MEMMODE_FMIN_MASK
));
1495 seq_printf(m
, "RS1 VID: %d\n", (crstandvid
& 0x3f));
1496 seq_printf(m
, "RS2 VID: %d\n", ((crstandvid
>> 8) & 0x3f));
1497 seq_printf(m
, "Render standby enabled: %s\n",
1498 yesno(!(rstdbyctl
& RCX_SW_EXIT
)));
1499 seq_puts(m
, "Current RS state: ");
1500 switch (rstdbyctl
& RSX_STATUS_MASK
) {
1502 seq_puts(m
, "on\n");
1504 case RSX_STATUS_RC1
:
1505 seq_puts(m
, "RC1\n");
1507 case RSX_STATUS_RC1E
:
1508 seq_puts(m
, "RC1E\n");
1510 case RSX_STATUS_RS1
:
1511 seq_puts(m
, "RS1\n");
1513 case RSX_STATUS_RS2
:
1514 seq_puts(m
, "RS2 (RC6)\n");
1516 case RSX_STATUS_RS3
:
1517 seq_puts(m
, "RC3 (RC6+)\n");
1520 seq_puts(m
, "unknown\n");
1527 static int i915_forcewake_domains(struct seq_file
*m
, void *data
)
1529 struct drm_info_node
*node
= m
->private;
1530 struct drm_device
*dev
= node
->minor
->dev
;
1531 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1532 struct intel_uncore_forcewake_domain
*fw_domain
;
1534 spin_lock_irq(&dev_priv
->uncore
.lock
);
1535 for_each_fw_domain(fw_domain
, dev_priv
) {
1536 seq_printf(m
, "%s.wake_count = %u\n",
1537 intel_uncore_forcewake_domain_to_str(fw_domain
->id
),
1538 fw_domain
->wake_count
);
1540 spin_unlock_irq(&dev_priv
->uncore
.lock
);
1545 static int vlv_drpc_info(struct seq_file
*m
)
1547 struct drm_info_node
*node
= m
->private;
1548 struct drm_device
*dev
= node
->minor
->dev
;
1549 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1550 u32 rpmodectl1
, rcctl1
, pw_status
;
1552 intel_runtime_pm_get(dev_priv
);
1554 pw_status
= I915_READ(VLV_GTLC_PW_STATUS
);
1555 rpmodectl1
= I915_READ(GEN6_RP_CONTROL
);
1556 rcctl1
= I915_READ(GEN6_RC_CONTROL
);
1558 intel_runtime_pm_put(dev_priv
);
1560 seq_printf(m
, "Video Turbo Mode: %s\n",
1561 yesno(rpmodectl1
& GEN6_RP_MEDIA_TURBO
));
1562 seq_printf(m
, "Turbo enabled: %s\n",
1563 yesno(rpmodectl1
& GEN6_RP_ENABLE
));
1564 seq_printf(m
, "HW control enabled: %s\n",
1565 yesno(rpmodectl1
& GEN6_RP_ENABLE
));
1566 seq_printf(m
, "SW control enabled: %s\n",
1567 yesno((rpmodectl1
& GEN6_RP_MEDIA_MODE_MASK
) ==
1568 GEN6_RP_MEDIA_SW_MODE
));
1569 seq_printf(m
, "RC6 Enabled: %s\n",
1570 yesno(rcctl1
& (GEN7_RC_CTL_TO_MODE
|
1571 GEN6_RC_CTL_EI_MODE(1))));
1572 seq_printf(m
, "Render Power Well: %s\n",
1573 (pw_status
& VLV_GTLC_PW_RENDER_STATUS_MASK
) ? "Up" : "Down");
1574 seq_printf(m
, "Media Power Well: %s\n",
1575 (pw_status
& VLV_GTLC_PW_MEDIA_STATUS_MASK
) ? "Up" : "Down");
1577 seq_printf(m
, "Render RC6 residency since boot: %u\n",
1578 I915_READ(VLV_GT_RENDER_RC6
));
1579 seq_printf(m
, "Media RC6 residency since boot: %u\n",
1580 I915_READ(VLV_GT_MEDIA_RC6
));
1582 return i915_forcewake_domains(m
, NULL
);
1585 static int gen6_drpc_info(struct seq_file
*m
)
1587 struct drm_info_node
*node
= m
->private;
1588 struct drm_device
*dev
= node
->minor
->dev
;
1589 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1590 u32 rpmodectl1
, gt_core_status
, rcctl1
, rc6vids
= 0;
1591 unsigned forcewake_count
;
1594 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1597 intel_runtime_pm_get(dev_priv
);
1599 spin_lock_irq(&dev_priv
->uncore
.lock
);
1600 forcewake_count
= dev_priv
->uncore
.fw_domain
[FW_DOMAIN_ID_RENDER
].wake_count
;
1601 spin_unlock_irq(&dev_priv
->uncore
.lock
);
1603 if (forcewake_count
) {
1604 seq_puts(m
, "RC information inaccurate because somebody "
1605 "holds a forcewake reference \n");
1607 /* NB: we cannot use forcewake, else we read the wrong values */
1608 while (count
++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_ACK
) & 1))
1610 seq_printf(m
, "RC information accurate: %s\n", yesno(count
< 51));
1613 gt_core_status
= I915_READ_FW(GEN6_GT_CORE_STATUS
);
1614 trace_i915_reg_rw(false, GEN6_GT_CORE_STATUS
, gt_core_status
, 4, true);
1616 rpmodectl1
= I915_READ(GEN6_RP_CONTROL
);
1617 rcctl1
= I915_READ(GEN6_RC_CONTROL
);
1618 mutex_unlock(&dev
->struct_mutex
);
1619 mutex_lock(&dev_priv
->rps
.hw_lock
);
1620 sandybridge_pcode_read(dev_priv
, GEN6_PCODE_READ_RC6VIDS
, &rc6vids
);
1621 mutex_unlock(&dev_priv
->rps
.hw_lock
);
1623 intel_runtime_pm_put(dev_priv
);
1625 seq_printf(m
, "Video Turbo Mode: %s\n",
1626 yesno(rpmodectl1
& GEN6_RP_MEDIA_TURBO
));
1627 seq_printf(m
, "HW control enabled: %s\n",
1628 yesno(rpmodectl1
& GEN6_RP_ENABLE
));
1629 seq_printf(m
, "SW control enabled: %s\n",
1630 yesno((rpmodectl1
& GEN6_RP_MEDIA_MODE_MASK
) ==
1631 GEN6_RP_MEDIA_SW_MODE
));
1632 seq_printf(m
, "RC1e Enabled: %s\n",
1633 yesno(rcctl1
& GEN6_RC_CTL_RC1e_ENABLE
));
1634 seq_printf(m
, "RC6 Enabled: %s\n",
1635 yesno(rcctl1
& GEN6_RC_CTL_RC6_ENABLE
));
1636 seq_printf(m
, "Deep RC6 Enabled: %s\n",
1637 yesno(rcctl1
& GEN6_RC_CTL_RC6p_ENABLE
));
1638 seq_printf(m
, "Deepest RC6 Enabled: %s\n",
1639 yesno(rcctl1
& GEN6_RC_CTL_RC6pp_ENABLE
));
1640 seq_puts(m
, "Current RC state: ");
1641 switch (gt_core_status
& GEN6_RCn_MASK
) {
1643 if (gt_core_status
& GEN6_CORE_CPD_STATE_MASK
)
1644 seq_puts(m
, "Core Power Down\n");
1646 seq_puts(m
, "on\n");
1649 seq_puts(m
, "RC3\n");
1652 seq_puts(m
, "RC6\n");
1655 seq_puts(m
, "RC7\n");
1658 seq_puts(m
, "Unknown\n");
1662 seq_printf(m
, "Core Power Down: %s\n",
1663 yesno(gt_core_status
& GEN6_CORE_CPD_STATE_MASK
));
1665 /* Not exactly sure what this is */
1666 seq_printf(m
, "RC6 \"Locked to RPn\" residency since boot: %u\n",
1667 I915_READ(GEN6_GT_GFX_RC6_LOCKED
));
1668 seq_printf(m
, "RC6 residency since boot: %u\n",
1669 I915_READ(GEN6_GT_GFX_RC6
));
1670 seq_printf(m
, "RC6+ residency since boot: %u\n",
1671 I915_READ(GEN6_GT_GFX_RC6p
));
1672 seq_printf(m
, "RC6++ residency since boot: %u\n",
1673 I915_READ(GEN6_GT_GFX_RC6pp
));
1675 seq_printf(m
, "RC6 voltage: %dmV\n",
1676 GEN6_DECODE_RC6_VID(((rc6vids
>> 0) & 0xff)));
1677 seq_printf(m
, "RC6+ voltage: %dmV\n",
1678 GEN6_DECODE_RC6_VID(((rc6vids
>> 8) & 0xff)));
1679 seq_printf(m
, "RC6++ voltage: %dmV\n",
1680 GEN6_DECODE_RC6_VID(((rc6vids
>> 16) & 0xff)));
1684 static int i915_drpc_info(struct seq_file
*m
, void *unused
)
1686 struct drm_info_node
*node
= m
->private;
1687 struct drm_device
*dev
= node
->minor
->dev
;
1689 if (IS_VALLEYVIEW(dev
) || IS_CHERRYVIEW(dev
))
1690 return vlv_drpc_info(m
);
1691 else if (INTEL_INFO(dev
)->gen
>= 6)
1692 return gen6_drpc_info(m
);
1694 return ironlake_drpc_info(m
);
1697 static int i915_frontbuffer_tracking(struct seq_file
*m
, void *unused
)
1699 struct drm_info_node
*node
= m
->private;
1700 struct drm_device
*dev
= node
->minor
->dev
;
1701 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1703 seq_printf(m
, "FB tracking busy bits: 0x%08x\n",
1704 dev_priv
->fb_tracking
.busy_bits
);
1706 seq_printf(m
, "FB tracking flip bits: 0x%08x\n",
1707 dev_priv
->fb_tracking
.flip_bits
);
1712 static int i915_fbc_status(struct seq_file
*m
, void *unused
)
1714 struct drm_info_node
*node
= m
->private;
1715 struct drm_device
*dev
= node
->minor
->dev
;
1716 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1718 if (!HAS_FBC(dev
)) {
1719 seq_puts(m
, "FBC unsupported on this chipset\n");
1723 intel_runtime_pm_get(dev_priv
);
1724 mutex_lock(&dev_priv
->fbc
.lock
);
1726 if (intel_fbc_is_active(dev_priv
))
1727 seq_puts(m
, "FBC enabled\n");
1729 seq_printf(m
, "FBC disabled: %s\n",
1730 dev_priv
->fbc
.no_fbc_reason
);
1732 if (INTEL_INFO(dev_priv
)->gen
>= 7)
1733 seq_printf(m
, "Compressing: %s\n",
1734 yesno(I915_READ(FBC_STATUS2
) &
1735 FBC_COMPRESSION_MASK
));
1737 mutex_unlock(&dev_priv
->fbc
.lock
);
1738 intel_runtime_pm_put(dev_priv
);
1743 static int i915_fbc_fc_get(void *data
, u64
*val
)
1745 struct drm_device
*dev
= data
;
1746 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1748 if (INTEL_INFO(dev
)->gen
< 7 || !HAS_FBC(dev
))
1751 *val
= dev_priv
->fbc
.false_color
;
1756 static int i915_fbc_fc_set(void *data
, u64 val
)
1758 struct drm_device
*dev
= data
;
1759 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1762 if (INTEL_INFO(dev
)->gen
< 7 || !HAS_FBC(dev
))
1765 mutex_lock(&dev_priv
->fbc
.lock
);
1767 reg
= I915_READ(ILK_DPFC_CONTROL
);
1768 dev_priv
->fbc
.false_color
= val
;
1770 I915_WRITE(ILK_DPFC_CONTROL
, val
?
1771 (reg
| FBC_CTL_FALSE_COLOR
) :
1772 (reg
& ~FBC_CTL_FALSE_COLOR
));
1774 mutex_unlock(&dev_priv
->fbc
.lock
);
1778 DEFINE_SIMPLE_ATTRIBUTE(i915_fbc_fc_fops
,
1779 i915_fbc_fc_get
, i915_fbc_fc_set
,
1782 static int i915_ips_status(struct seq_file
*m
, void *unused
)
1784 struct drm_info_node
*node
= m
->private;
1785 struct drm_device
*dev
= node
->minor
->dev
;
1786 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1788 if (!HAS_IPS(dev
)) {
1789 seq_puts(m
, "not supported\n");
1793 intel_runtime_pm_get(dev_priv
);
1795 seq_printf(m
, "Enabled by kernel parameter: %s\n",
1796 yesno(i915
.enable_ips
));
1798 if (INTEL_INFO(dev
)->gen
>= 8) {
1799 seq_puts(m
, "Currently: unknown\n");
1801 if (I915_READ(IPS_CTL
) & IPS_ENABLE
)
1802 seq_puts(m
, "Currently: enabled\n");
1804 seq_puts(m
, "Currently: disabled\n");
1807 intel_runtime_pm_put(dev_priv
);
1812 static int i915_sr_status(struct seq_file
*m
, void *unused
)
1814 struct drm_info_node
*node
= m
->private;
1815 struct drm_device
*dev
= node
->minor
->dev
;
1816 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1817 bool sr_enabled
= false;
1819 intel_runtime_pm_get(dev_priv
);
1821 if (HAS_PCH_SPLIT(dev
))
1822 sr_enabled
= I915_READ(WM1_LP_ILK
) & WM1_LP_SR_EN
;
1823 else if (IS_CRESTLINE(dev
) || IS_G4X(dev
) ||
1824 IS_I945G(dev
) || IS_I945GM(dev
))
1825 sr_enabled
= I915_READ(FW_BLC_SELF
) & FW_BLC_SELF_EN
;
1826 else if (IS_I915GM(dev
))
1827 sr_enabled
= I915_READ(INSTPM
) & INSTPM_SELF_EN
;
1828 else if (IS_PINEVIEW(dev
))
1829 sr_enabled
= I915_READ(DSPFW3
) & PINEVIEW_SELF_REFRESH_EN
;
1830 else if (IS_VALLEYVIEW(dev
) || IS_CHERRYVIEW(dev
))
1831 sr_enabled
= I915_READ(FW_BLC_SELF_VLV
) & FW_CSPWRDWNEN
;
1833 intel_runtime_pm_put(dev_priv
);
1835 seq_printf(m
, "self-refresh: %s\n",
1836 sr_enabled
? "enabled" : "disabled");
1841 static int i915_emon_status(struct seq_file
*m
, void *unused
)
1843 struct drm_info_node
*node
= m
->private;
1844 struct drm_device
*dev
= node
->minor
->dev
;
1845 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1846 unsigned long temp
, chipset
, gfx
;
1852 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1856 temp
= i915_mch_val(dev_priv
);
1857 chipset
= i915_chipset_val(dev_priv
);
1858 gfx
= i915_gfx_val(dev_priv
);
1859 mutex_unlock(&dev
->struct_mutex
);
1861 seq_printf(m
, "GMCH temp: %ld\n", temp
);
1862 seq_printf(m
, "Chipset power: %ld\n", chipset
);
1863 seq_printf(m
, "GFX power: %ld\n", gfx
);
1864 seq_printf(m
, "Total power: %ld\n", chipset
+ gfx
);
1869 static int i915_ring_freq_table(struct seq_file
*m
, void *unused
)
1871 struct drm_info_node
*node
= m
->private;
1872 struct drm_device
*dev
= node
->minor
->dev
;
1873 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1875 int gpu_freq
, ia_freq
;
1876 unsigned int max_gpu_freq
, min_gpu_freq
;
1878 if (!HAS_CORE_RING_FREQ(dev
)) {
1879 seq_puts(m
, "unsupported on this chipset\n");
1883 intel_runtime_pm_get(dev_priv
);
1885 flush_delayed_work(&dev_priv
->rps
.delayed_resume_work
);
1887 ret
= mutex_lock_interruptible(&dev_priv
->rps
.hw_lock
);
1891 if (IS_SKYLAKE(dev
) || IS_KABYLAKE(dev
)) {
1892 /* Convert GT frequency to 50 HZ units */
1894 dev_priv
->rps
.min_freq_softlimit
/ GEN9_FREQ_SCALER
;
1896 dev_priv
->rps
.max_freq_softlimit
/ GEN9_FREQ_SCALER
;
1898 min_gpu_freq
= dev_priv
->rps
.min_freq_softlimit
;
1899 max_gpu_freq
= dev_priv
->rps
.max_freq_softlimit
;
1902 seq_puts(m
, "GPU freq (MHz)\tEffective CPU freq (MHz)\tEffective Ring freq (MHz)\n");
1904 for (gpu_freq
= min_gpu_freq
; gpu_freq
<= max_gpu_freq
; gpu_freq
++) {
1906 sandybridge_pcode_read(dev_priv
,
1907 GEN6_PCODE_READ_MIN_FREQ_TABLE
,
1909 seq_printf(m
, "%d\t\t%d\t\t\t\t%d\n",
1910 intel_gpu_freq(dev_priv
, (gpu_freq
*
1911 (IS_SKYLAKE(dev
) || IS_KABYLAKE(dev
) ?
1912 GEN9_FREQ_SCALER
: 1))),
1913 ((ia_freq
>> 0) & 0xff) * 100,
1914 ((ia_freq
>> 8) & 0xff) * 100);
1917 mutex_unlock(&dev_priv
->rps
.hw_lock
);
1920 intel_runtime_pm_put(dev_priv
);
1924 static int i915_opregion(struct seq_file
*m
, void *unused
)
1926 struct drm_info_node
*node
= m
->private;
1927 struct drm_device
*dev
= node
->minor
->dev
;
1928 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1929 struct intel_opregion
*opregion
= &dev_priv
->opregion
;
1932 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1936 if (opregion
->header
)
1937 seq_write(m
, opregion
->header
, OPREGION_SIZE
);
1939 mutex_unlock(&dev
->struct_mutex
);
1945 static int i915_vbt(struct seq_file
*m
, void *unused
)
1947 struct drm_info_node
*node
= m
->private;
1948 struct drm_device
*dev
= node
->minor
->dev
;
1949 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
1950 struct intel_opregion
*opregion
= &dev_priv
->opregion
;
1953 seq_write(m
, opregion
->vbt
, opregion
->vbt_size
);
1958 static int i915_gem_framebuffer_info(struct seq_file
*m
, void *data
)
1960 struct drm_info_node
*node
= m
->private;
1961 struct drm_device
*dev
= node
->minor
->dev
;
1962 struct intel_framebuffer
*fbdev_fb
= NULL
;
1963 struct drm_framebuffer
*drm_fb
;
1966 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
1970 #ifdef CONFIG_DRM_FBDEV_EMULATION
1971 if (to_i915(dev
)->fbdev
) {
1972 fbdev_fb
= to_intel_framebuffer(to_i915(dev
)->fbdev
->helper
.fb
);
1974 seq_printf(m
, "fbcon size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ",
1975 fbdev_fb
->base
.width
,
1976 fbdev_fb
->base
.height
,
1977 fbdev_fb
->base
.depth
,
1978 fbdev_fb
->base
.bits_per_pixel
,
1979 fbdev_fb
->base
.modifier
[0],
1980 drm_framebuffer_read_refcount(&fbdev_fb
->base
));
1981 describe_obj(m
, fbdev_fb
->obj
);
1986 mutex_lock(&dev
->mode_config
.fb_lock
);
1987 drm_for_each_fb(drm_fb
, dev
) {
1988 struct intel_framebuffer
*fb
= to_intel_framebuffer(drm_fb
);
1992 seq_printf(m
, "user size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ",
1996 fb
->base
.bits_per_pixel
,
1997 fb
->base
.modifier
[0],
1998 drm_framebuffer_read_refcount(&fb
->base
));
1999 describe_obj(m
, fb
->obj
);
2002 mutex_unlock(&dev
->mode_config
.fb_lock
);
2003 mutex_unlock(&dev
->struct_mutex
);
2008 static void describe_ctx_ringbuf(struct seq_file
*m
,
2009 struct intel_ringbuffer
*ringbuf
)
2011 seq_printf(m
, " (ringbuffer, space: %d, head: %u, tail: %u, last head: %d)",
2012 ringbuf
->space
, ringbuf
->head
, ringbuf
->tail
,
2013 ringbuf
->last_retired_head
);
2016 static int i915_context_status(struct seq_file
*m
, void *unused
)
2018 struct drm_info_node
*node
= m
->private;
2019 struct drm_device
*dev
= node
->minor
->dev
;
2020 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2021 struct intel_engine_cs
*engine
;
2022 struct i915_gem_context
*ctx
;
2025 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
2029 list_for_each_entry(ctx
, &dev_priv
->context_list
, link
) {
2030 seq_printf(m
, "HW context %u ", ctx
->hw_id
);
2031 if (IS_ERR(ctx
->file_priv
)) {
2032 seq_puts(m
, "(deleted) ");
2033 } else if (ctx
->file_priv
) {
2034 struct pid
*pid
= ctx
->file_priv
->file
->pid
;
2035 struct task_struct
*task
;
2037 task
= get_pid_task(pid
, PIDTYPE_PID
);
2039 seq_printf(m
, "(%s [%d]) ",
2040 task
->comm
, task
->pid
);
2041 put_task_struct(task
);
2044 seq_puts(m
, "(kernel) ");
2047 seq_putc(m
, ctx
->remap_slice
? 'R' : 'r');
2050 for_each_engine(engine
, dev_priv
) {
2051 struct intel_context
*ce
= &ctx
->engine
[engine
->id
];
2053 seq_printf(m
, "%s: ", engine
->name
);
2054 seq_putc(m
, ce
->initialised
? 'I' : 'i');
2056 describe_obj(m
, ce
->state
);
2058 describe_ctx_ringbuf(m
, ce
->ringbuf
);
2065 mutex_unlock(&dev
->struct_mutex
);
2070 static void i915_dump_lrc_obj(struct seq_file
*m
,
2071 struct i915_gem_context
*ctx
,
2072 struct intel_engine_cs
*engine
)
2074 struct drm_i915_gem_object
*ctx_obj
= ctx
->engine
[engine
->id
].state
;
2076 uint32_t *reg_state
;
2078 unsigned long ggtt_offset
= 0;
2080 seq_printf(m
, "CONTEXT: %s %u\n", engine
->name
, ctx
->hw_id
);
2082 if (ctx_obj
== NULL
) {
2083 seq_puts(m
, "\tNot allocated\n");
2087 if (!i915_gem_obj_ggtt_bound(ctx_obj
))
2088 seq_puts(m
, "\tNot bound in GGTT\n");
2090 ggtt_offset
= i915_gem_obj_ggtt_offset(ctx_obj
);
2092 if (i915_gem_object_get_pages(ctx_obj
)) {
2093 seq_puts(m
, "\tFailed to get pages for context object\n");
2097 page
= i915_gem_object_get_page(ctx_obj
, LRC_STATE_PN
);
2098 if (!WARN_ON(page
== NULL
)) {
2099 reg_state
= kmap_atomic(page
);
2101 for (j
= 0; j
< 0x600 / sizeof(u32
) / 4; j
+= 4) {
2102 seq_printf(m
, "\t[0x%08lx] 0x%08x 0x%08x 0x%08x 0x%08x\n",
2103 ggtt_offset
+ 4096 + (j
* 4),
2104 reg_state
[j
], reg_state
[j
+ 1],
2105 reg_state
[j
+ 2], reg_state
[j
+ 3]);
2107 kunmap_atomic(reg_state
);
2113 static int i915_dump_lrc(struct seq_file
*m
, void *unused
)
2115 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
2116 struct drm_device
*dev
= node
->minor
->dev
;
2117 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2118 struct intel_engine_cs
*engine
;
2119 struct i915_gem_context
*ctx
;
2122 if (!i915
.enable_execlists
) {
2123 seq_printf(m
, "Logical Ring Contexts are disabled\n");
2127 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
2131 list_for_each_entry(ctx
, &dev_priv
->context_list
, link
)
2132 for_each_engine(engine
, dev_priv
)
2133 i915_dump_lrc_obj(m
, ctx
, engine
);
2135 mutex_unlock(&dev
->struct_mutex
);
2140 static int i915_execlists(struct seq_file
*m
, void *data
)
2142 struct drm_info_node
*node
= (struct drm_info_node
*)m
->private;
2143 struct drm_device
*dev
= node
->minor
->dev
;
2144 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2145 struct intel_engine_cs
*engine
;
2151 struct list_head
*cursor
;
2154 if (!i915
.enable_execlists
) {
2155 seq_puts(m
, "Logical Ring Contexts are disabled\n");
2159 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
2163 intel_runtime_pm_get(dev_priv
);
2165 for_each_engine(engine
, dev_priv
) {
2166 struct drm_i915_gem_request
*head_req
= NULL
;
2169 seq_printf(m
, "%s\n", engine
->name
);
2171 status
= I915_READ(RING_EXECLIST_STATUS_LO(engine
));
2172 ctx_id
= I915_READ(RING_EXECLIST_STATUS_HI(engine
));
2173 seq_printf(m
, "\tExeclist status: 0x%08X, context: %u\n",
2176 status_pointer
= I915_READ(RING_CONTEXT_STATUS_PTR(engine
));
2177 seq_printf(m
, "\tStatus pointer: 0x%08X\n", status_pointer
);
2179 read_pointer
= engine
->next_context_status_buffer
;
2180 write_pointer
= GEN8_CSB_WRITE_PTR(status_pointer
);
2181 if (read_pointer
> write_pointer
)
2182 write_pointer
+= GEN8_CSB_ENTRIES
;
2183 seq_printf(m
, "\tRead pointer: 0x%08X, write pointer 0x%08X\n",
2184 read_pointer
, write_pointer
);
2186 for (i
= 0; i
< GEN8_CSB_ENTRIES
; i
++) {
2187 status
= I915_READ(RING_CONTEXT_STATUS_BUF_LO(engine
, i
));
2188 ctx_id
= I915_READ(RING_CONTEXT_STATUS_BUF_HI(engine
, i
));
2190 seq_printf(m
, "\tStatus buffer %d: 0x%08X, context: %u\n",
2194 spin_lock_bh(&engine
->execlist_lock
);
2195 list_for_each(cursor
, &engine
->execlist_queue
)
2197 head_req
= list_first_entry_or_null(&engine
->execlist_queue
,
2198 struct drm_i915_gem_request
,
2200 spin_unlock_bh(&engine
->execlist_lock
);
2202 seq_printf(m
, "\t%d requests in queue\n", count
);
2204 seq_printf(m
, "\tHead request context: %u\n",
2205 head_req
->ctx
->hw_id
);
2206 seq_printf(m
, "\tHead request tail: %u\n",
2213 intel_runtime_pm_put(dev_priv
);
2214 mutex_unlock(&dev
->struct_mutex
);
2219 static const char *swizzle_string(unsigned swizzle
)
2222 case I915_BIT_6_SWIZZLE_NONE
:
2224 case I915_BIT_6_SWIZZLE_9
:
2226 case I915_BIT_6_SWIZZLE_9_10
:
2227 return "bit9/bit10";
2228 case I915_BIT_6_SWIZZLE_9_11
:
2229 return "bit9/bit11";
2230 case I915_BIT_6_SWIZZLE_9_10_11
:
2231 return "bit9/bit10/bit11";
2232 case I915_BIT_6_SWIZZLE_9_17
:
2233 return "bit9/bit17";
2234 case I915_BIT_6_SWIZZLE_9_10_17
:
2235 return "bit9/bit10/bit17";
2236 case I915_BIT_6_SWIZZLE_UNKNOWN
:
2243 static int i915_swizzle_info(struct seq_file
*m
, void *data
)
2245 struct drm_info_node
*node
= m
->private;
2246 struct drm_device
*dev
= node
->minor
->dev
;
2247 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2250 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
2253 intel_runtime_pm_get(dev_priv
);
2255 seq_printf(m
, "bit6 swizzle for X-tiling = %s\n",
2256 swizzle_string(dev_priv
->mm
.bit_6_swizzle_x
));
2257 seq_printf(m
, "bit6 swizzle for Y-tiling = %s\n",
2258 swizzle_string(dev_priv
->mm
.bit_6_swizzle_y
));
2260 if (IS_GEN3(dev
) || IS_GEN4(dev
)) {
2261 seq_printf(m
, "DDC = 0x%08x\n",
2263 seq_printf(m
, "DDC2 = 0x%08x\n",
2265 seq_printf(m
, "C0DRB3 = 0x%04x\n",
2266 I915_READ16(C0DRB3
));
2267 seq_printf(m
, "C1DRB3 = 0x%04x\n",
2268 I915_READ16(C1DRB3
));
2269 } else if (INTEL_INFO(dev
)->gen
>= 6) {
2270 seq_printf(m
, "MAD_DIMM_C0 = 0x%08x\n",
2271 I915_READ(MAD_DIMM_C0
));
2272 seq_printf(m
, "MAD_DIMM_C1 = 0x%08x\n",
2273 I915_READ(MAD_DIMM_C1
));
2274 seq_printf(m
, "MAD_DIMM_C2 = 0x%08x\n",
2275 I915_READ(MAD_DIMM_C2
));
2276 seq_printf(m
, "TILECTL = 0x%08x\n",
2277 I915_READ(TILECTL
));
2278 if (INTEL_INFO(dev
)->gen
>= 8)
2279 seq_printf(m
, "GAMTARBMODE = 0x%08x\n",
2280 I915_READ(GAMTARBMODE
));
2282 seq_printf(m
, "ARB_MODE = 0x%08x\n",
2283 I915_READ(ARB_MODE
));
2284 seq_printf(m
, "DISP_ARB_CTL = 0x%08x\n",
2285 I915_READ(DISP_ARB_CTL
));
2288 if (dev_priv
->quirks
& QUIRK_PIN_SWIZZLED_PAGES
)
2289 seq_puts(m
, "L-shaped memory detected\n");
2291 intel_runtime_pm_put(dev_priv
);
2292 mutex_unlock(&dev
->struct_mutex
);
2297 static int per_file_ctx(int id
, void *ptr
, void *data
)
2299 struct i915_gem_context
*ctx
= ptr
;
2300 struct seq_file
*m
= data
;
2301 struct i915_hw_ppgtt
*ppgtt
= ctx
->ppgtt
;
2304 seq_printf(m
, " no ppgtt for context %d\n",
2309 if (i915_gem_context_is_default(ctx
))
2310 seq_puts(m
, " default context:\n");
2312 seq_printf(m
, " context %d:\n", ctx
->user_handle
);
2313 ppgtt
->debug_dump(ppgtt
, m
);
2318 static void gen8_ppgtt_info(struct seq_file
*m
, struct drm_device
*dev
)
2320 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2321 struct intel_engine_cs
*engine
;
2322 struct i915_hw_ppgtt
*ppgtt
= dev_priv
->mm
.aliasing_ppgtt
;
2328 for_each_engine(engine
, dev_priv
) {
2329 seq_printf(m
, "%s\n", engine
->name
);
2330 for (i
= 0; i
< 4; i
++) {
2331 u64 pdp
= I915_READ(GEN8_RING_PDP_UDW(engine
, i
));
2333 pdp
|= I915_READ(GEN8_RING_PDP_LDW(engine
, i
));
2334 seq_printf(m
, "\tPDP%d 0x%016llx\n", i
, pdp
);
2339 static void gen6_ppgtt_info(struct seq_file
*m
, struct drm_device
*dev
)
2341 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2342 struct intel_engine_cs
*engine
;
2344 if (IS_GEN6(dev_priv
))
2345 seq_printf(m
, "GFX_MODE: 0x%08x\n", I915_READ(GFX_MODE
));
2347 for_each_engine(engine
, dev_priv
) {
2348 seq_printf(m
, "%s\n", engine
->name
);
2349 if (IS_GEN7(dev_priv
))
2350 seq_printf(m
, "GFX_MODE: 0x%08x\n",
2351 I915_READ(RING_MODE_GEN7(engine
)));
2352 seq_printf(m
, "PP_DIR_BASE: 0x%08x\n",
2353 I915_READ(RING_PP_DIR_BASE(engine
)));
2354 seq_printf(m
, "PP_DIR_BASE_READ: 0x%08x\n",
2355 I915_READ(RING_PP_DIR_BASE_READ(engine
)));
2356 seq_printf(m
, "PP_DIR_DCLV: 0x%08x\n",
2357 I915_READ(RING_PP_DIR_DCLV(engine
)));
2359 if (dev_priv
->mm
.aliasing_ppgtt
) {
2360 struct i915_hw_ppgtt
*ppgtt
= dev_priv
->mm
.aliasing_ppgtt
;
2362 seq_puts(m
, "aliasing PPGTT:\n");
2363 seq_printf(m
, "pd gtt offset: 0x%08x\n", ppgtt
->pd
.base
.ggtt_offset
);
2365 ppgtt
->debug_dump(ppgtt
, m
);
2368 seq_printf(m
, "ECOCHK: 0x%08x\n", I915_READ(GAM_ECOCHK
));
2371 static int i915_ppgtt_info(struct seq_file
*m
, void *data
)
2373 struct drm_info_node
*node
= m
->private;
2374 struct drm_device
*dev
= node
->minor
->dev
;
2375 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2376 struct drm_file
*file
;
2378 int ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
2381 intel_runtime_pm_get(dev_priv
);
2383 if (INTEL_INFO(dev
)->gen
>= 8)
2384 gen8_ppgtt_info(m
, dev
);
2385 else if (INTEL_INFO(dev
)->gen
>= 6)
2386 gen6_ppgtt_info(m
, dev
);
2388 mutex_lock(&dev
->filelist_mutex
);
2389 list_for_each_entry_reverse(file
, &dev
->filelist
, lhead
) {
2390 struct drm_i915_file_private
*file_priv
= file
->driver_priv
;
2391 struct task_struct
*task
;
2393 task
= get_pid_task(file
->pid
, PIDTYPE_PID
);
2398 seq_printf(m
, "\nproc: %s\n", task
->comm
);
2399 put_task_struct(task
);
2400 idr_for_each(&file_priv
->context_idr
, per_file_ctx
,
2401 (void *)(unsigned long)m
);
2404 mutex_unlock(&dev
->filelist_mutex
);
2406 intel_runtime_pm_put(dev_priv
);
2407 mutex_unlock(&dev
->struct_mutex
);
2412 static int count_irq_waiters(struct drm_i915_private
*i915
)
2414 struct intel_engine_cs
*engine
;
2417 for_each_engine(engine
, i915
)
2418 count
+= engine
->irq_refcount
;
2423 static int i915_rps_boost_info(struct seq_file
*m
, void *data
)
2425 struct drm_info_node
*node
= m
->private;
2426 struct drm_device
*dev
= node
->minor
->dev
;
2427 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2428 struct drm_file
*file
;
2430 seq_printf(m
, "RPS enabled? %d\n", dev_priv
->rps
.enabled
);
2431 seq_printf(m
, "GPU busy? %d\n", dev_priv
->mm
.busy
);
2432 seq_printf(m
, "CPU waiting? %d\n", count_irq_waiters(dev_priv
));
2433 seq_printf(m
, "Frequency requested %d; min hard:%d, soft:%d; max soft:%d, hard:%d\n",
2434 intel_gpu_freq(dev_priv
, dev_priv
->rps
.cur_freq
),
2435 intel_gpu_freq(dev_priv
, dev_priv
->rps
.min_freq
),
2436 intel_gpu_freq(dev_priv
, dev_priv
->rps
.min_freq_softlimit
),
2437 intel_gpu_freq(dev_priv
, dev_priv
->rps
.max_freq_softlimit
),
2438 intel_gpu_freq(dev_priv
, dev_priv
->rps
.max_freq
));
2440 mutex_lock(&dev
->filelist_mutex
);
2441 spin_lock(&dev_priv
->rps
.client_lock
);
2442 list_for_each_entry_reverse(file
, &dev
->filelist
, lhead
) {
2443 struct drm_i915_file_private
*file_priv
= file
->driver_priv
;
2444 struct task_struct
*task
;
2447 task
= pid_task(file
->pid
, PIDTYPE_PID
);
2448 seq_printf(m
, "%s [%d]: %d boosts%s\n",
2449 task
? task
->comm
: "<unknown>",
2450 task
? task
->pid
: -1,
2451 file_priv
->rps
.boosts
,
2452 list_empty(&file_priv
->rps
.link
) ? "" : ", active");
2455 seq_printf(m
, "Semaphore boosts: %d%s\n",
2456 dev_priv
->rps
.semaphores
.boosts
,
2457 list_empty(&dev_priv
->rps
.semaphores
.link
) ? "" : ", active");
2458 seq_printf(m
, "MMIO flip boosts: %d%s\n",
2459 dev_priv
->rps
.mmioflips
.boosts
,
2460 list_empty(&dev_priv
->rps
.mmioflips
.link
) ? "" : ", active");
2461 seq_printf(m
, "Kernel boosts: %d\n", dev_priv
->rps
.boosts
);
2462 spin_unlock(&dev_priv
->rps
.client_lock
);
2463 mutex_unlock(&dev
->filelist_mutex
);
2468 static int i915_llc(struct seq_file
*m
, void *data
)
2470 struct drm_info_node
*node
= m
->private;
2471 struct drm_device
*dev
= node
->minor
->dev
;
2472 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2473 const bool edram
= INTEL_GEN(dev_priv
) > 8;
2475 seq_printf(m
, "LLC: %s\n", yesno(HAS_LLC(dev
)));
2476 seq_printf(m
, "%s: %lluMB\n", edram
? "eDRAM" : "eLLC",
2477 intel_uncore_edram_size(dev_priv
)/1024/1024);
2482 static int i915_guc_load_status_info(struct seq_file
*m
, void *data
)
2484 struct drm_info_node
*node
= m
->private;
2485 struct drm_i915_private
*dev_priv
= node
->minor
->dev
->dev_private
;
2486 struct intel_guc_fw
*guc_fw
= &dev_priv
->guc
.guc_fw
;
2489 if (!HAS_GUC_UCODE(dev_priv
))
2492 seq_printf(m
, "GuC firmware status:\n");
2493 seq_printf(m
, "\tpath: %s\n",
2494 guc_fw
->guc_fw_path
);
2495 seq_printf(m
, "\tfetch: %s\n",
2496 intel_guc_fw_status_repr(guc_fw
->guc_fw_fetch_status
));
2497 seq_printf(m
, "\tload: %s\n",
2498 intel_guc_fw_status_repr(guc_fw
->guc_fw_load_status
));
2499 seq_printf(m
, "\tversion wanted: %d.%d\n",
2500 guc_fw
->guc_fw_major_wanted
, guc_fw
->guc_fw_minor_wanted
);
2501 seq_printf(m
, "\tversion found: %d.%d\n",
2502 guc_fw
->guc_fw_major_found
, guc_fw
->guc_fw_minor_found
);
2503 seq_printf(m
, "\theader: offset is %d; size = %d\n",
2504 guc_fw
->header_offset
, guc_fw
->header_size
);
2505 seq_printf(m
, "\tuCode: offset is %d; size = %d\n",
2506 guc_fw
->ucode_offset
, guc_fw
->ucode_size
);
2507 seq_printf(m
, "\tRSA: offset is %d; size = %d\n",
2508 guc_fw
->rsa_offset
, guc_fw
->rsa_size
);
2510 tmp
= I915_READ(GUC_STATUS
);
2512 seq_printf(m
, "\nGuC status 0x%08x:\n", tmp
);
2513 seq_printf(m
, "\tBootrom status = 0x%x\n",
2514 (tmp
& GS_BOOTROM_MASK
) >> GS_BOOTROM_SHIFT
);
2515 seq_printf(m
, "\tuKernel status = 0x%x\n",
2516 (tmp
& GS_UKERNEL_MASK
) >> GS_UKERNEL_SHIFT
);
2517 seq_printf(m
, "\tMIA Core status = 0x%x\n",
2518 (tmp
& GS_MIA_MASK
) >> GS_MIA_SHIFT
);
2519 seq_puts(m
, "\nScratch registers:\n");
2520 for (i
= 0; i
< 16; i
++)
2521 seq_printf(m
, "\t%2d: \t0x%x\n", i
, I915_READ(SOFT_SCRATCH(i
)));
2526 static void i915_guc_client_info(struct seq_file
*m
,
2527 struct drm_i915_private
*dev_priv
,
2528 struct i915_guc_client
*client
)
2530 struct intel_engine_cs
*engine
;
2533 seq_printf(m
, "\tPriority %d, GuC ctx index: %u, PD offset 0x%x\n",
2534 client
->priority
, client
->ctx_index
, client
->proc_desc_offset
);
2535 seq_printf(m
, "\tDoorbell id %d, offset: 0x%x, cookie 0x%x\n",
2536 client
->doorbell_id
, client
->doorbell_offset
, client
->cookie
);
2537 seq_printf(m
, "\tWQ size %d, offset: 0x%x, tail %d\n",
2538 client
->wq_size
, client
->wq_offset
, client
->wq_tail
);
2540 seq_printf(m
, "\tWork queue full: %u\n", client
->no_wq_space
);
2541 seq_printf(m
, "\tFailed to queue: %u\n", client
->q_fail
);
2542 seq_printf(m
, "\tFailed doorbell: %u\n", client
->b_fail
);
2543 seq_printf(m
, "\tLast submission result: %d\n", client
->retcode
);
2545 for_each_engine(engine
, dev_priv
) {
2546 seq_printf(m
, "\tSubmissions: %llu %s\n",
2547 client
->submissions
[engine
->id
],
2549 tot
+= client
->submissions
[engine
->id
];
2551 seq_printf(m
, "\tTotal: %llu\n", tot
);
2554 static int i915_guc_info(struct seq_file
*m
, void *data
)
2556 struct drm_info_node
*node
= m
->private;
2557 struct drm_device
*dev
= node
->minor
->dev
;
2558 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2559 struct intel_guc guc
;
2560 struct i915_guc_client client
= {};
2561 struct intel_engine_cs
*engine
;
2564 if (!HAS_GUC_SCHED(dev_priv
))
2567 if (mutex_lock_interruptible(&dev
->struct_mutex
))
2570 /* Take a local copy of the GuC data, so we can dump it at leisure */
2571 guc
= dev_priv
->guc
;
2572 if (guc
.execbuf_client
)
2573 client
= *guc
.execbuf_client
;
2575 mutex_unlock(&dev
->struct_mutex
);
2577 seq_printf(m
, "Doorbell map:\n");
2578 seq_printf(m
, "\t%*pb\n", GUC_MAX_DOORBELLS
, guc
.doorbell_bitmap
);
2579 seq_printf(m
, "Doorbell next cacheline: 0x%x\n\n", guc
.db_cacheline
);
2581 seq_printf(m
, "GuC total action count: %llu\n", guc
.action_count
);
2582 seq_printf(m
, "GuC action failure count: %u\n", guc
.action_fail
);
2583 seq_printf(m
, "GuC last action command: 0x%x\n", guc
.action_cmd
);
2584 seq_printf(m
, "GuC last action status: 0x%x\n", guc
.action_status
);
2585 seq_printf(m
, "GuC last action error code: %d\n", guc
.action_err
);
2587 seq_printf(m
, "\nGuC submissions:\n");
2588 for_each_engine(engine
, dev_priv
) {
2589 seq_printf(m
, "\t%-24s: %10llu, last seqno 0x%08x\n",
2590 engine
->name
, guc
.submissions
[engine
->id
],
2591 guc
.last_seqno
[engine
->id
]);
2592 total
+= guc
.submissions
[engine
->id
];
2594 seq_printf(m
, "\t%s: %llu\n", "Total", total
);
2596 seq_printf(m
, "\nGuC execbuf client @ %p:\n", guc
.execbuf_client
);
2597 i915_guc_client_info(m
, dev_priv
, &client
);
2599 /* Add more as required ... */
2604 static int i915_guc_log_dump(struct seq_file
*m
, void *data
)
2606 struct drm_info_node
*node
= m
->private;
2607 struct drm_device
*dev
= node
->minor
->dev
;
2608 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2609 struct drm_i915_gem_object
*log_obj
= dev_priv
->guc
.log_obj
;
2616 for (pg
= 0; pg
< log_obj
->base
.size
/ PAGE_SIZE
; pg
++) {
2617 log
= kmap_atomic(i915_gem_object_get_page(log_obj
, pg
));
2619 for (i
= 0; i
< PAGE_SIZE
/ sizeof(u32
); i
+= 4)
2620 seq_printf(m
, "0x%08x 0x%08x 0x%08x 0x%08x\n",
2621 *(log
+ i
), *(log
+ i
+ 1),
2622 *(log
+ i
+ 2), *(log
+ i
+ 3));
2632 static int i915_edp_psr_status(struct seq_file
*m
, void *data
)
2634 struct drm_info_node
*node
= m
->private;
2635 struct drm_device
*dev
= node
->minor
->dev
;
2636 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2640 bool enabled
= false;
2642 if (!HAS_PSR(dev
)) {
2643 seq_puts(m
, "PSR not supported\n");
2647 intel_runtime_pm_get(dev_priv
);
2649 mutex_lock(&dev_priv
->psr
.lock
);
2650 seq_printf(m
, "Sink_Support: %s\n", yesno(dev_priv
->psr
.sink_support
));
2651 seq_printf(m
, "Source_OK: %s\n", yesno(dev_priv
->psr
.source_ok
));
2652 seq_printf(m
, "Enabled: %s\n", yesno((bool)dev_priv
->psr
.enabled
));
2653 seq_printf(m
, "Active: %s\n", yesno(dev_priv
->psr
.active
));
2654 seq_printf(m
, "Busy frontbuffer bits: 0x%03x\n",
2655 dev_priv
->psr
.busy_frontbuffer_bits
);
2656 seq_printf(m
, "Re-enable work scheduled: %s\n",
2657 yesno(work_busy(&dev_priv
->psr
.work
.work
)));
2660 enabled
= I915_READ(EDP_PSR_CTL
) & EDP_PSR_ENABLE
;
2662 for_each_pipe(dev_priv
, pipe
) {
2663 stat
[pipe
] = I915_READ(VLV_PSRSTAT(pipe
)) &
2664 VLV_EDP_PSR_CURR_STATE_MASK
;
2665 if ((stat
[pipe
] == VLV_EDP_PSR_ACTIVE_NORFB_UP
) ||
2666 (stat
[pipe
] == VLV_EDP_PSR_ACTIVE_SF_UPDATE
))
2671 seq_printf(m
, "Main link in standby mode: %s\n",
2672 yesno(dev_priv
->psr
.link_standby
));
2674 seq_printf(m
, "HW Enabled & Active bit: %s", yesno(enabled
));
2677 for_each_pipe(dev_priv
, pipe
) {
2678 if ((stat
[pipe
] == VLV_EDP_PSR_ACTIVE_NORFB_UP
) ||
2679 (stat
[pipe
] == VLV_EDP_PSR_ACTIVE_SF_UPDATE
))
2680 seq_printf(m
, " pipe %c", pipe_name(pipe
));
2685 * VLV/CHV PSR has no kind of performance counter
2686 * SKL+ Perf counter is reset to 0 everytime DC state is entered
2688 if (IS_HASWELL(dev
) || IS_BROADWELL(dev
)) {
2689 psrperf
= I915_READ(EDP_PSR_PERF_CNT
) &
2690 EDP_PSR_PERF_CNT_MASK
;
2692 seq_printf(m
, "Performance_Counter: %u\n", psrperf
);
2694 mutex_unlock(&dev_priv
->psr
.lock
);
2696 intel_runtime_pm_put(dev_priv
);
2700 static int i915_sink_crc(struct seq_file
*m
, void *data
)
2702 struct drm_info_node
*node
= m
->private;
2703 struct drm_device
*dev
= node
->minor
->dev
;
2704 struct intel_encoder
*encoder
;
2705 struct intel_connector
*connector
;
2706 struct intel_dp
*intel_dp
= NULL
;
2710 drm_modeset_lock_all(dev
);
2711 for_each_intel_connector(dev
, connector
) {
2713 if (connector
->base
.dpms
!= DRM_MODE_DPMS_ON
)
2716 if (!connector
->base
.encoder
)
2719 encoder
= to_intel_encoder(connector
->base
.encoder
);
2720 if (encoder
->type
!= INTEL_OUTPUT_EDP
)
2723 intel_dp
= enc_to_intel_dp(&encoder
->base
);
2725 ret
= intel_dp_sink_crc(intel_dp
, crc
);
2729 seq_printf(m
, "%02x%02x%02x%02x%02x%02x\n",
2730 crc
[0], crc
[1], crc
[2],
2731 crc
[3], crc
[4], crc
[5]);
2736 drm_modeset_unlock_all(dev
);
2740 static int i915_energy_uJ(struct seq_file
*m
, void *data
)
2742 struct drm_info_node
*node
= m
->private;
2743 struct drm_device
*dev
= node
->minor
->dev
;
2744 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2748 if (INTEL_INFO(dev
)->gen
< 6)
2751 intel_runtime_pm_get(dev_priv
);
2753 rdmsrl(MSR_RAPL_POWER_UNIT
, power
);
2754 power
= (power
& 0x1f00) >> 8;
2755 units
= 1000000 / (1 << power
); /* convert to uJ */
2756 power
= I915_READ(MCH_SECP_NRG_STTS
);
2759 intel_runtime_pm_put(dev_priv
);
2761 seq_printf(m
, "%llu", (long long unsigned)power
);
2766 static int i915_runtime_pm_status(struct seq_file
*m
, void *unused
)
2768 struct drm_info_node
*node
= m
->private;
2769 struct drm_device
*dev
= node
->minor
->dev
;
2770 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2772 if (!HAS_RUNTIME_PM(dev_priv
))
2773 seq_puts(m
, "Runtime power management not supported\n");
2775 seq_printf(m
, "GPU idle: %s\n", yesno(!dev_priv
->mm
.busy
));
2776 seq_printf(m
, "IRQs disabled: %s\n",
2777 yesno(!intel_irqs_enabled(dev_priv
)));
2779 seq_printf(m
, "Usage count: %d\n",
2780 atomic_read(&dev
->dev
->power
.usage_count
));
2782 seq_printf(m
, "Device Power Management (CONFIG_PM) disabled\n");
2784 seq_printf(m
, "PCI device power state: %s [%d]\n",
2785 pci_power_name(dev_priv
->dev
->pdev
->current_state
),
2786 dev_priv
->dev
->pdev
->current_state
);
2791 static int i915_power_domain_info(struct seq_file
*m
, void *unused
)
2793 struct drm_info_node
*node
= m
->private;
2794 struct drm_device
*dev
= node
->minor
->dev
;
2795 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2796 struct i915_power_domains
*power_domains
= &dev_priv
->power_domains
;
2799 mutex_lock(&power_domains
->lock
);
2801 seq_printf(m
, "%-25s %s\n", "Power well/domain", "Use count");
2802 for (i
= 0; i
< power_domains
->power_well_count
; i
++) {
2803 struct i915_power_well
*power_well
;
2804 enum intel_display_power_domain power_domain
;
2806 power_well
= &power_domains
->power_wells
[i
];
2807 seq_printf(m
, "%-25s %d\n", power_well
->name
,
2810 for (power_domain
= 0; power_domain
< POWER_DOMAIN_NUM
;
2812 if (!(BIT(power_domain
) & power_well
->domains
))
2815 seq_printf(m
, " %-23s %d\n",
2816 intel_display_power_domain_str(power_domain
),
2817 power_domains
->domain_use_count
[power_domain
]);
2821 mutex_unlock(&power_domains
->lock
);
2826 static int i915_dmc_info(struct seq_file
*m
, void *unused
)
2828 struct drm_info_node
*node
= m
->private;
2829 struct drm_device
*dev
= node
->minor
->dev
;
2830 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
2831 struct intel_csr
*csr
;
2833 if (!HAS_CSR(dev
)) {
2834 seq_puts(m
, "not supported\n");
2838 csr
= &dev_priv
->csr
;
2840 intel_runtime_pm_get(dev_priv
);
2842 seq_printf(m
, "fw loaded: %s\n", yesno(csr
->dmc_payload
!= NULL
));
2843 seq_printf(m
, "path: %s\n", csr
->fw_path
);
2845 if (!csr
->dmc_payload
)
2848 seq_printf(m
, "version: %d.%d\n", CSR_VERSION_MAJOR(csr
->version
),
2849 CSR_VERSION_MINOR(csr
->version
));
2851 if (IS_SKYLAKE(dev
) && csr
->version
>= CSR_VERSION(1, 6)) {
2852 seq_printf(m
, "DC3 -> DC5 count: %d\n",
2853 I915_READ(SKL_CSR_DC3_DC5_COUNT
));
2854 seq_printf(m
, "DC5 -> DC6 count: %d\n",
2855 I915_READ(SKL_CSR_DC5_DC6_COUNT
));
2856 } else if (IS_BROXTON(dev
) && csr
->version
>= CSR_VERSION(1, 4)) {
2857 seq_printf(m
, "DC3 -> DC5 count: %d\n",
2858 I915_READ(BXT_CSR_DC3_DC5_COUNT
));
2862 seq_printf(m
, "program base: 0x%08x\n", I915_READ(CSR_PROGRAM(0)));
2863 seq_printf(m
, "ssp base: 0x%08x\n", I915_READ(CSR_SSP_BASE
));
2864 seq_printf(m
, "htp: 0x%08x\n", I915_READ(CSR_HTP_SKL
));
2866 intel_runtime_pm_put(dev_priv
);
2871 static void intel_seq_print_mode(struct seq_file
*m
, int tabs
,
2872 struct drm_display_mode
*mode
)
2876 for (i
= 0; i
< tabs
; i
++)
2879 seq_printf(m
, "id %d:\"%s\" freq %d clock %d hdisp %d hss %d hse %d htot %d vdisp %d vss %d vse %d vtot %d type 0x%x flags 0x%x\n",
2880 mode
->base
.id
, mode
->name
,
2881 mode
->vrefresh
, mode
->clock
,
2882 mode
->hdisplay
, mode
->hsync_start
,
2883 mode
->hsync_end
, mode
->htotal
,
2884 mode
->vdisplay
, mode
->vsync_start
,
2885 mode
->vsync_end
, mode
->vtotal
,
2886 mode
->type
, mode
->flags
);
2889 static void intel_encoder_info(struct seq_file
*m
,
2890 struct intel_crtc
*intel_crtc
,
2891 struct intel_encoder
*intel_encoder
)
2893 struct drm_info_node
*node
= m
->private;
2894 struct drm_device
*dev
= node
->minor
->dev
;
2895 struct drm_crtc
*crtc
= &intel_crtc
->base
;
2896 struct intel_connector
*intel_connector
;
2897 struct drm_encoder
*encoder
;
2899 encoder
= &intel_encoder
->base
;
2900 seq_printf(m
, "\tencoder %d: type: %s, connectors:\n",
2901 encoder
->base
.id
, encoder
->name
);
2902 for_each_connector_on_encoder(dev
, encoder
, intel_connector
) {
2903 struct drm_connector
*connector
= &intel_connector
->base
;
2904 seq_printf(m
, "\t\tconnector %d: type: %s, status: %s",
2907 drm_get_connector_status_name(connector
->status
));
2908 if (connector
->status
== connector_status_connected
) {
2909 struct drm_display_mode
*mode
= &crtc
->mode
;
2910 seq_printf(m
, ", mode:\n");
2911 intel_seq_print_mode(m
, 2, mode
);
2918 static void intel_crtc_info(struct seq_file
*m
, struct intel_crtc
*intel_crtc
)
2920 struct drm_info_node
*node
= m
->private;
2921 struct drm_device
*dev
= node
->minor
->dev
;
2922 struct drm_crtc
*crtc
= &intel_crtc
->base
;
2923 struct intel_encoder
*intel_encoder
;
2924 struct drm_plane_state
*plane_state
= crtc
->primary
->state
;
2925 struct drm_framebuffer
*fb
= plane_state
->fb
;
2928 seq_printf(m
, "\tfb: %d, pos: %dx%d, size: %dx%d\n",
2929 fb
->base
.id
, plane_state
->src_x
>> 16,
2930 plane_state
->src_y
>> 16, fb
->width
, fb
->height
);
2932 seq_puts(m
, "\tprimary plane disabled\n");
2933 for_each_encoder_on_crtc(dev
, crtc
, intel_encoder
)
2934 intel_encoder_info(m
, intel_crtc
, intel_encoder
);
2937 static void intel_panel_info(struct seq_file
*m
, struct intel_panel
*panel
)
2939 struct drm_display_mode
*mode
= panel
->fixed_mode
;
2941 seq_printf(m
, "\tfixed mode:\n");
2942 intel_seq_print_mode(m
, 2, mode
);
2945 static void intel_dp_info(struct seq_file
*m
,
2946 struct intel_connector
*intel_connector
)
2948 struct intel_encoder
*intel_encoder
= intel_connector
->encoder
;
2949 struct intel_dp
*intel_dp
= enc_to_intel_dp(&intel_encoder
->base
);
2951 seq_printf(m
, "\tDPCD rev: %x\n", intel_dp
->dpcd
[DP_DPCD_REV
]);
2952 seq_printf(m
, "\taudio support: %s\n", yesno(intel_dp
->has_audio
));
2953 if (intel_connector
->base
.connector_type
== DRM_MODE_CONNECTOR_eDP
)
2954 intel_panel_info(m
, &intel_connector
->panel
);
2957 static void intel_hdmi_info(struct seq_file
*m
,
2958 struct intel_connector
*intel_connector
)
2960 struct intel_encoder
*intel_encoder
= intel_connector
->encoder
;
2961 struct intel_hdmi
*intel_hdmi
= enc_to_intel_hdmi(&intel_encoder
->base
);
2963 seq_printf(m
, "\taudio support: %s\n", yesno(intel_hdmi
->has_audio
));
2966 static void intel_lvds_info(struct seq_file
*m
,
2967 struct intel_connector
*intel_connector
)
2969 intel_panel_info(m
, &intel_connector
->panel
);
2972 static void intel_connector_info(struct seq_file
*m
,
2973 struct drm_connector
*connector
)
2975 struct intel_connector
*intel_connector
= to_intel_connector(connector
);
2976 struct intel_encoder
*intel_encoder
= intel_connector
->encoder
;
2977 struct drm_display_mode
*mode
;
2979 seq_printf(m
, "connector %d: type %s, status: %s\n",
2980 connector
->base
.id
, connector
->name
,
2981 drm_get_connector_status_name(connector
->status
));
2982 if (connector
->status
== connector_status_connected
) {
2983 seq_printf(m
, "\tname: %s\n", connector
->display_info
.name
);
2984 seq_printf(m
, "\tphysical dimensions: %dx%dmm\n",
2985 connector
->display_info
.width_mm
,
2986 connector
->display_info
.height_mm
);
2987 seq_printf(m
, "\tsubpixel order: %s\n",
2988 drm_get_subpixel_order_name(connector
->display_info
.subpixel_order
));
2989 seq_printf(m
, "\tCEA rev: %d\n",
2990 connector
->display_info
.cea_rev
);
2992 if (intel_encoder
) {
2993 if (intel_encoder
->type
== INTEL_OUTPUT_DISPLAYPORT
||
2994 intel_encoder
->type
== INTEL_OUTPUT_EDP
)
2995 intel_dp_info(m
, intel_connector
);
2996 else if (intel_encoder
->type
== INTEL_OUTPUT_HDMI
)
2997 intel_hdmi_info(m
, intel_connector
);
2998 else if (intel_encoder
->type
== INTEL_OUTPUT_LVDS
)
2999 intel_lvds_info(m
, intel_connector
);
3002 seq_printf(m
, "\tmodes:\n");
3003 list_for_each_entry(mode
, &connector
->modes
, head
)
3004 intel_seq_print_mode(m
, 2, mode
);
3007 static bool cursor_active(struct drm_device
*dev
, int pipe
)
3009 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
3012 if (IS_845G(dev
) || IS_I865G(dev
))
3013 state
= I915_READ(CURCNTR(PIPE_A
)) & CURSOR_ENABLE
;
3015 state
= I915_READ(CURCNTR(pipe
)) & CURSOR_MODE
;
3020 static bool cursor_position(struct drm_device
*dev
, int pipe
, int *x
, int *y
)
3022 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
3025 pos
= I915_READ(CURPOS(pipe
));
3027 *x
= (pos
>> CURSOR_X_SHIFT
) & CURSOR_POS_MASK
;
3028 if (pos
& (CURSOR_POS_SIGN
<< CURSOR_X_SHIFT
))
3031 *y
= (pos
>> CURSOR_Y_SHIFT
) & CURSOR_POS_MASK
;
3032 if (pos
& (CURSOR_POS_SIGN
<< CURSOR_Y_SHIFT
))
3035 return cursor_active(dev
, pipe
);
3038 static const char *plane_type(enum drm_plane_type type
)
3041 case DRM_PLANE_TYPE_OVERLAY
:
3043 case DRM_PLANE_TYPE_PRIMARY
:
3045 case DRM_PLANE_TYPE_CURSOR
:
3048 * Deliberately omitting default: to generate compiler warnings
3049 * when a new drm_plane_type gets added.
3056 static const char *plane_rotation(unsigned int rotation
)
3058 static char buf
[48];
3060 * According to doc only one DRM_ROTATE_ is allowed but this
3061 * will print them all to visualize if the values are misused
3063 snprintf(buf
, sizeof(buf
),
3064 "%s%s%s%s%s%s(0x%08x)",
3065 (rotation
& BIT(DRM_ROTATE_0
)) ? "0 " : "",
3066 (rotation
& BIT(DRM_ROTATE_90
)) ? "90 " : "",
3067 (rotation
& BIT(DRM_ROTATE_180
)) ? "180 " : "",
3068 (rotation
& BIT(DRM_ROTATE_270
)) ? "270 " : "",
3069 (rotation
& BIT(DRM_REFLECT_X
)) ? "FLIPX " : "",
3070 (rotation
& BIT(DRM_REFLECT_Y
)) ? "FLIPY " : "",
3076 static void intel_plane_info(struct seq_file
*m
, struct intel_crtc
*intel_crtc
)
3078 struct drm_info_node
*node
= m
->private;
3079 struct drm_device
*dev
= node
->minor
->dev
;
3080 struct intel_plane
*intel_plane
;
3082 for_each_intel_plane_on_crtc(dev
, intel_crtc
, intel_plane
) {
3083 struct drm_plane_state
*state
;
3084 struct drm_plane
*plane
= &intel_plane
->base
;
3086 if (!plane
->state
) {
3087 seq_puts(m
, "plane->state is NULL!\n");
3091 state
= plane
->state
;
3093 seq_printf(m
, "\t--Plane id %d: type=%s, crtc_pos=%4dx%4d, crtc_size=%4dx%4d, src_pos=%d.%04ux%d.%04u, src_size=%d.%04ux%d.%04u, format=%s, rotation=%s\n",
3095 plane_type(intel_plane
->base
.type
),
3096 state
->crtc_x
, state
->crtc_y
,
3097 state
->crtc_w
, state
->crtc_h
,
3098 (state
->src_x
>> 16),
3099 ((state
->src_x
& 0xffff) * 15625) >> 10,
3100 (state
->src_y
>> 16),
3101 ((state
->src_y
& 0xffff) * 15625) >> 10,
3102 (state
->src_w
>> 16),
3103 ((state
->src_w
& 0xffff) * 15625) >> 10,
3104 (state
->src_h
>> 16),
3105 ((state
->src_h
& 0xffff) * 15625) >> 10,
3106 state
->fb
? drm_get_format_name(state
->fb
->pixel_format
) : "N/A",
3107 plane_rotation(state
->rotation
));
3111 static void intel_scaler_info(struct seq_file
*m
, struct intel_crtc
*intel_crtc
)
3113 struct intel_crtc_state
*pipe_config
;
3114 int num_scalers
= intel_crtc
->num_scalers
;
3117 pipe_config
= to_intel_crtc_state(intel_crtc
->base
.state
);
3119 /* Not all platformas have a scaler */
3121 seq_printf(m
, "\tnum_scalers=%d, scaler_users=%x scaler_id=%d",
3123 pipe_config
->scaler_state
.scaler_users
,
3124 pipe_config
->scaler_state
.scaler_id
);
3126 for (i
= 0; i
< SKL_NUM_SCALERS
; i
++) {
3127 struct intel_scaler
*sc
=
3128 &pipe_config
->scaler_state
.scalers
[i
];
3130 seq_printf(m
, ", scalers[%d]: use=%s, mode=%x",
3131 i
, yesno(sc
->in_use
), sc
->mode
);
3135 seq_puts(m
, "\tNo scalers available on this platform\n");
3139 static int i915_display_info(struct seq_file
*m
, void *unused
)
3141 struct drm_info_node
*node
= m
->private;
3142 struct drm_device
*dev
= node
->minor
->dev
;
3143 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
3144 struct intel_crtc
*crtc
;
3145 struct drm_connector
*connector
;
3147 intel_runtime_pm_get(dev_priv
);
3148 drm_modeset_lock_all(dev
);
3149 seq_printf(m
, "CRTC info\n");
3150 seq_printf(m
, "---------\n");
3151 for_each_intel_crtc(dev
, crtc
) {
3153 struct intel_crtc_state
*pipe_config
;
3156 pipe_config
= to_intel_crtc_state(crtc
->base
.state
);
3158 seq_printf(m
, "CRTC %d: pipe: %c, active=%s, (size=%dx%d), dither=%s, bpp=%d\n",
3159 crtc
->base
.base
.id
, pipe_name(crtc
->pipe
),
3160 yesno(pipe_config
->base
.active
),
3161 pipe_config
->pipe_src_w
, pipe_config
->pipe_src_h
,
3162 yesno(pipe_config
->dither
), pipe_config
->pipe_bpp
);
3164 if (pipe_config
->base
.active
) {
3165 intel_crtc_info(m
, crtc
);
3167 active
= cursor_position(dev
, crtc
->pipe
, &x
, &y
);
3168 seq_printf(m
, "\tcursor visible? %s, position (%d, %d), size %dx%d, addr 0x%08x, active? %s\n",
3169 yesno(crtc
->cursor_base
),
3170 x
, y
, crtc
->base
.cursor
->state
->crtc_w
,
3171 crtc
->base
.cursor
->state
->crtc_h
,
3172 crtc
->cursor_addr
, yesno(active
));
3173 intel_scaler_info(m
, crtc
);
3174 intel_plane_info(m
, crtc
);
3177 seq_printf(m
, "\tunderrun reporting: cpu=%s pch=%s \n",
3178 yesno(!crtc
->cpu_fifo_underrun_disabled
),
3179 yesno(!crtc
->pch_fifo_underrun_disabled
));
3182 seq_printf(m
, "\n");
3183 seq_printf(m
, "Connector info\n");
3184 seq_printf(m
, "--------------\n");
3185 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
3186 intel_connector_info(m
, connector
);
3188 drm_modeset_unlock_all(dev
);
3189 intel_runtime_pm_put(dev_priv
);
3194 static int i915_semaphore_status(struct seq_file
*m
, void *unused
)
3196 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
3197 struct drm_device
*dev
= node
->minor
->dev
;
3198 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
3199 struct intel_engine_cs
*engine
;
3200 int num_rings
= hweight32(INTEL_INFO(dev
)->ring_mask
);
3201 enum intel_engine_id id
;
3204 if (!i915_semaphore_is_enabled(dev_priv
)) {
3205 seq_puts(m
, "Semaphores are disabled\n");
3209 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
3212 intel_runtime_pm_get(dev_priv
);
3214 if (IS_BROADWELL(dev
)) {
3218 page
= i915_gem_object_get_page(dev_priv
->semaphore_obj
, 0);
3220 seqno
= (uint64_t *)kmap_atomic(page
);
3221 for_each_engine_id(engine
, dev_priv
, id
) {
3224 seq_printf(m
, "%s\n", engine
->name
);
3226 seq_puts(m
, " Last signal:");
3227 for (j
= 0; j
< num_rings
; j
++) {
3228 offset
= id
* I915_NUM_ENGINES
+ j
;
3229 seq_printf(m
, "0x%08llx (0x%02llx) ",
3230 seqno
[offset
], offset
* 8);
3234 seq_puts(m
, " Last wait: ");
3235 for (j
= 0; j
< num_rings
; j
++) {
3236 offset
= id
+ (j
* I915_NUM_ENGINES
);
3237 seq_printf(m
, "0x%08llx (0x%02llx) ",
3238 seqno
[offset
], offset
* 8);
3243 kunmap_atomic(seqno
);
3245 seq_puts(m
, " Last signal:");
3246 for_each_engine(engine
, dev_priv
)
3247 for (j
= 0; j
< num_rings
; j
++)
3248 seq_printf(m
, "0x%08x\n",
3249 I915_READ(engine
->semaphore
.mbox
.signal
[j
]));
3253 seq_puts(m
, "\nSync seqno:\n");
3254 for_each_engine(engine
, dev_priv
) {
3255 for (j
= 0; j
< num_rings
; j
++)
3256 seq_printf(m
, " 0x%08x ",
3257 engine
->semaphore
.sync_seqno
[j
]);
3262 intel_runtime_pm_put(dev_priv
);
3263 mutex_unlock(&dev
->struct_mutex
);
3267 static int i915_shared_dplls_info(struct seq_file
*m
, void *unused
)
3269 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
3270 struct drm_device
*dev
= node
->minor
->dev
;
3271 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
3274 drm_modeset_lock_all(dev
);
3275 for (i
= 0; i
< dev_priv
->num_shared_dpll
; i
++) {
3276 struct intel_shared_dpll
*pll
= &dev_priv
->shared_dplls
[i
];
3278 seq_printf(m
, "DPLL%i: %s, id: %i\n", i
, pll
->name
, pll
->id
);
3279 seq_printf(m
, " crtc_mask: 0x%08x, active: 0x%x, on: %s\n",
3280 pll
->config
.crtc_mask
, pll
->active_mask
, yesno(pll
->on
));
3281 seq_printf(m
, " tracked hardware state:\n");
3282 seq_printf(m
, " dpll: 0x%08x\n", pll
->config
.hw_state
.dpll
);
3283 seq_printf(m
, " dpll_md: 0x%08x\n",
3284 pll
->config
.hw_state
.dpll_md
);
3285 seq_printf(m
, " fp0: 0x%08x\n", pll
->config
.hw_state
.fp0
);
3286 seq_printf(m
, " fp1: 0x%08x\n", pll
->config
.hw_state
.fp1
);
3287 seq_printf(m
, " wrpll: 0x%08x\n", pll
->config
.hw_state
.wrpll
);
3289 drm_modeset_unlock_all(dev
);
3294 static int i915_wa_registers(struct seq_file
*m
, void *unused
)
3298 struct intel_engine_cs
*engine
;
3299 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
3300 struct drm_device
*dev
= node
->minor
->dev
;
3301 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
3302 struct i915_workarounds
*workarounds
= &dev_priv
->workarounds
;
3303 enum intel_engine_id id
;
3305 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
3309 intel_runtime_pm_get(dev_priv
);
3311 seq_printf(m
, "Workarounds applied: %d\n", workarounds
->count
);
3312 for_each_engine_id(engine
, dev_priv
, id
)
3313 seq_printf(m
, "HW whitelist count for %s: %d\n",
3314 engine
->name
, workarounds
->hw_whitelist_count
[id
]);
3315 for (i
= 0; i
< workarounds
->count
; ++i
) {
3317 u32 mask
, value
, read
;
3320 addr
= workarounds
->reg
[i
].addr
;
3321 mask
= workarounds
->reg
[i
].mask
;
3322 value
= workarounds
->reg
[i
].value
;
3323 read
= I915_READ(addr
);
3324 ok
= (value
& mask
) == (read
& mask
);
3325 seq_printf(m
, "0x%X: 0x%08X, mask: 0x%08X, read: 0x%08x, status: %s\n",
3326 i915_mmio_reg_offset(addr
), value
, mask
, read
, ok
? "OK" : "FAIL");
3329 intel_runtime_pm_put(dev_priv
);
3330 mutex_unlock(&dev
->struct_mutex
);
3335 static int i915_ddb_info(struct seq_file
*m
, void *unused
)
3337 struct drm_info_node
*node
= m
->private;
3338 struct drm_device
*dev
= node
->minor
->dev
;
3339 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
3340 struct skl_ddb_allocation
*ddb
;
3341 struct skl_ddb_entry
*entry
;
3345 if (INTEL_INFO(dev
)->gen
< 9)
3348 drm_modeset_lock_all(dev
);
3350 ddb
= &dev_priv
->wm
.skl_hw
.ddb
;
3352 seq_printf(m
, "%-15s%8s%8s%8s\n", "", "Start", "End", "Size");
3354 for_each_pipe(dev_priv
, pipe
) {
3355 seq_printf(m
, "Pipe %c\n", pipe_name(pipe
));
3357 for_each_plane(dev_priv
, pipe
, plane
) {
3358 entry
= &ddb
->plane
[pipe
][plane
];
3359 seq_printf(m
, " Plane%-8d%8u%8u%8u\n", plane
+ 1,
3360 entry
->start
, entry
->end
,
3361 skl_ddb_entry_size(entry
));
3364 entry
= &ddb
->plane
[pipe
][PLANE_CURSOR
];
3365 seq_printf(m
, " %-13s%8u%8u%8u\n", "Cursor", entry
->start
,
3366 entry
->end
, skl_ddb_entry_size(entry
));
3369 drm_modeset_unlock_all(dev
);
3374 static void drrs_status_per_crtc(struct seq_file
*m
,
3375 struct drm_device
*dev
, struct intel_crtc
*intel_crtc
)
3377 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
3378 struct i915_drrs
*drrs
= &dev_priv
->drrs
;
3380 struct drm_connector
*connector
;
3382 drm_for_each_connector(connector
, dev
) {
3383 if (connector
->state
->crtc
!= &intel_crtc
->base
)
3386 seq_printf(m
, "%s:\n", connector
->name
);
3389 if (dev_priv
->vbt
.drrs_type
== STATIC_DRRS_SUPPORT
)
3390 seq_puts(m
, "\tVBT: DRRS_type: Static");
3391 else if (dev_priv
->vbt
.drrs_type
== SEAMLESS_DRRS_SUPPORT
)
3392 seq_puts(m
, "\tVBT: DRRS_type: Seamless");
3393 else if (dev_priv
->vbt
.drrs_type
== DRRS_NOT_SUPPORTED
)
3394 seq_puts(m
, "\tVBT: DRRS_type: None");
3396 seq_puts(m
, "\tVBT: DRRS_type: FIXME: Unrecognized Value");
3398 seq_puts(m
, "\n\n");
3400 if (to_intel_crtc_state(intel_crtc
->base
.state
)->has_drrs
) {
3401 struct intel_panel
*panel
;
3403 mutex_lock(&drrs
->mutex
);
3404 /* DRRS Supported */
3405 seq_puts(m
, "\tDRRS Supported: Yes\n");
3407 /* disable_drrs() will make drrs->dp NULL */
3409 seq_puts(m
, "Idleness DRRS: Disabled");
3410 mutex_unlock(&drrs
->mutex
);
3414 panel
= &drrs
->dp
->attached_connector
->panel
;
3415 seq_printf(m
, "\t\tBusy_frontbuffer_bits: 0x%X",
3416 drrs
->busy_frontbuffer_bits
);
3418 seq_puts(m
, "\n\t\t");
3419 if (drrs
->refresh_rate_type
== DRRS_HIGH_RR
) {
3420 seq_puts(m
, "DRRS_State: DRRS_HIGH_RR\n");
3421 vrefresh
= panel
->fixed_mode
->vrefresh
;
3422 } else if (drrs
->refresh_rate_type
== DRRS_LOW_RR
) {
3423 seq_puts(m
, "DRRS_State: DRRS_LOW_RR\n");
3424 vrefresh
= panel
->downclock_mode
->vrefresh
;
3426 seq_printf(m
, "DRRS_State: Unknown(%d)\n",
3427 drrs
->refresh_rate_type
);
3428 mutex_unlock(&drrs
->mutex
);
3431 seq_printf(m
, "\t\tVrefresh: %d", vrefresh
);
3433 seq_puts(m
, "\n\t\t");
3434 mutex_unlock(&drrs
->mutex
);
3436 /* DRRS not supported. Print the VBT parameter*/
3437 seq_puts(m
, "\tDRRS Supported : No");
3442 static int i915_drrs_status(struct seq_file
*m
, void *unused
)
3444 struct drm_info_node
*node
= m
->private;
3445 struct drm_device
*dev
= node
->minor
->dev
;
3446 struct intel_crtc
*intel_crtc
;
3447 int active_crtc_cnt
= 0;
3449 drm_modeset_lock_all(dev
);
3450 for_each_intel_crtc(dev
, intel_crtc
) {
3451 if (intel_crtc
->base
.state
->active
) {
3453 seq_printf(m
, "\nCRTC %d: ", active_crtc_cnt
);
3455 drrs_status_per_crtc(m
, dev
, intel_crtc
);
3458 drm_modeset_unlock_all(dev
);
3460 if (!active_crtc_cnt
)
3461 seq_puts(m
, "No active crtc found\n");
3466 struct pipe_crc_info
{
3468 struct drm_device
*dev
;
3472 static int i915_dp_mst_info(struct seq_file
*m
, void *unused
)
3474 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
3475 struct drm_device
*dev
= node
->minor
->dev
;
3476 struct intel_encoder
*intel_encoder
;
3477 struct intel_digital_port
*intel_dig_port
;
3478 struct drm_connector
*connector
;
3480 drm_modeset_lock_all(dev
);
3481 drm_for_each_connector(connector
, dev
) {
3482 if (connector
->connector_type
!= DRM_MODE_CONNECTOR_DisplayPort
)
3485 intel_encoder
= intel_attached_encoder(connector
);
3486 if (!intel_encoder
|| intel_encoder
->type
== INTEL_OUTPUT_DP_MST
)
3489 intel_dig_port
= enc_to_dig_port(&intel_encoder
->base
);
3490 if (!intel_dig_port
->dp
.can_mst
)
3493 seq_printf(m
, "MST Source Port %c\n",
3494 port_name(intel_dig_port
->port
));
3495 drm_dp_mst_dump_topology(m
, &intel_dig_port
->dp
.mst_mgr
);
3497 drm_modeset_unlock_all(dev
);
3501 static int i915_pipe_crc_open(struct inode
*inode
, struct file
*filep
)
3503 struct pipe_crc_info
*info
= inode
->i_private
;
3504 struct drm_i915_private
*dev_priv
= info
->dev
->dev_private
;
3505 struct intel_pipe_crc
*pipe_crc
= &dev_priv
->pipe_crc
[info
->pipe
];
3507 if (info
->pipe
>= INTEL_INFO(info
->dev
)->num_pipes
)
3510 spin_lock_irq(&pipe_crc
->lock
);
3512 if (pipe_crc
->opened
) {
3513 spin_unlock_irq(&pipe_crc
->lock
);
3514 return -EBUSY
; /* already open */
3517 pipe_crc
->opened
= true;
3518 filep
->private_data
= inode
->i_private
;
3520 spin_unlock_irq(&pipe_crc
->lock
);
3525 static int i915_pipe_crc_release(struct inode
*inode
, struct file
*filep
)
3527 struct pipe_crc_info
*info
= inode
->i_private
;
3528 struct drm_i915_private
*dev_priv
= info
->dev
->dev_private
;
3529 struct intel_pipe_crc
*pipe_crc
= &dev_priv
->pipe_crc
[info
->pipe
];
3531 spin_lock_irq(&pipe_crc
->lock
);
3532 pipe_crc
->opened
= false;
3533 spin_unlock_irq(&pipe_crc
->lock
);
3538 /* (6 fields, 8 chars each, space separated (5) + '\n') */
3539 #define PIPE_CRC_LINE_LEN (6 * 8 + 5 + 1)
3540 /* account for \'0' */
3541 #define PIPE_CRC_BUFFER_LEN (PIPE_CRC_LINE_LEN + 1)
3543 static int pipe_crc_data_count(struct intel_pipe_crc
*pipe_crc
)
3545 assert_spin_locked(&pipe_crc
->lock
);
3546 return CIRC_CNT(pipe_crc
->head
, pipe_crc
->tail
,
3547 INTEL_PIPE_CRC_ENTRIES_NR
);
3551 i915_pipe_crc_read(struct file
*filep
, char __user
*user_buf
, size_t count
,
3554 struct pipe_crc_info
*info
= filep
->private_data
;
3555 struct drm_device
*dev
= info
->dev
;
3556 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
3557 struct intel_pipe_crc
*pipe_crc
= &dev_priv
->pipe_crc
[info
->pipe
];
3558 char buf
[PIPE_CRC_BUFFER_LEN
];
3563 * Don't allow user space to provide buffers not big enough to hold
3566 if (count
< PIPE_CRC_LINE_LEN
)
3569 if (pipe_crc
->source
== INTEL_PIPE_CRC_SOURCE_NONE
)
3572 /* nothing to read */
3573 spin_lock_irq(&pipe_crc
->lock
);
3574 while (pipe_crc_data_count(pipe_crc
) == 0) {
3577 if (filep
->f_flags
& O_NONBLOCK
) {
3578 spin_unlock_irq(&pipe_crc
->lock
);
3582 ret
= wait_event_interruptible_lock_irq(pipe_crc
->wq
,
3583 pipe_crc_data_count(pipe_crc
), pipe_crc
->lock
);
3585 spin_unlock_irq(&pipe_crc
->lock
);
3590 /* We now have one or more entries to read */
3591 n_entries
= count
/ PIPE_CRC_LINE_LEN
;
3594 while (n_entries
> 0) {
3595 struct intel_pipe_crc_entry
*entry
=
3596 &pipe_crc
->entries
[pipe_crc
->tail
];
3599 if (CIRC_CNT(pipe_crc
->head
, pipe_crc
->tail
,
3600 INTEL_PIPE_CRC_ENTRIES_NR
) < 1)
3603 BUILD_BUG_ON_NOT_POWER_OF_2(INTEL_PIPE_CRC_ENTRIES_NR
);
3604 pipe_crc
->tail
= (pipe_crc
->tail
+ 1) & (INTEL_PIPE_CRC_ENTRIES_NR
- 1);
3606 bytes_read
+= snprintf(buf
, PIPE_CRC_BUFFER_LEN
,
3607 "%8u %8x %8x %8x %8x %8x\n",
3608 entry
->frame
, entry
->crc
[0],
3609 entry
->crc
[1], entry
->crc
[2],
3610 entry
->crc
[3], entry
->crc
[4]);
3612 spin_unlock_irq(&pipe_crc
->lock
);
3614 ret
= copy_to_user(user_buf
, buf
, PIPE_CRC_LINE_LEN
);
3615 if (ret
== PIPE_CRC_LINE_LEN
)
3618 user_buf
+= PIPE_CRC_LINE_LEN
;
3621 spin_lock_irq(&pipe_crc
->lock
);
3624 spin_unlock_irq(&pipe_crc
->lock
);
3629 static const struct file_operations i915_pipe_crc_fops
= {
3630 .owner
= THIS_MODULE
,
3631 .open
= i915_pipe_crc_open
,
3632 .read
= i915_pipe_crc_read
,
3633 .release
= i915_pipe_crc_release
,
3636 static struct pipe_crc_info i915_pipe_crc_data
[I915_MAX_PIPES
] = {
3638 .name
= "i915_pipe_A_crc",
3642 .name
= "i915_pipe_B_crc",
3646 .name
= "i915_pipe_C_crc",
3651 static int i915_pipe_crc_create(struct dentry
*root
, struct drm_minor
*minor
,
3654 struct drm_device
*dev
= minor
->dev
;
3656 struct pipe_crc_info
*info
= &i915_pipe_crc_data
[pipe
];
3659 ent
= debugfs_create_file(info
->name
, S_IRUGO
, root
, info
,
3660 &i915_pipe_crc_fops
);
3664 return drm_add_fake_info_node(minor
, ent
, info
);
3667 static const char * const pipe_crc_sources
[] = {
3680 static const char *pipe_crc_source_name(enum intel_pipe_crc_source source
)
3682 BUILD_BUG_ON(ARRAY_SIZE(pipe_crc_sources
) != INTEL_PIPE_CRC_SOURCE_MAX
);
3683 return pipe_crc_sources
[source
];
3686 static int display_crc_ctl_show(struct seq_file
*m
, void *data
)
3688 struct drm_device
*dev
= m
->private;
3689 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
3692 for (i
= 0; i
< I915_MAX_PIPES
; i
++)
3693 seq_printf(m
, "%c %s\n", pipe_name(i
),
3694 pipe_crc_source_name(dev_priv
->pipe_crc
[i
].source
));
3699 static int display_crc_ctl_open(struct inode
*inode
, struct file
*file
)
3701 struct drm_device
*dev
= inode
->i_private
;
3703 return single_open(file
, display_crc_ctl_show
, dev
);
3706 static int i8xx_pipe_crc_ctl_reg(enum intel_pipe_crc_source
*source
,
3709 if (*source
== INTEL_PIPE_CRC_SOURCE_AUTO
)
3710 *source
= INTEL_PIPE_CRC_SOURCE_PIPE
;
3713 case INTEL_PIPE_CRC_SOURCE_PIPE
:
3714 *val
= PIPE_CRC_ENABLE
| PIPE_CRC_INCLUDE_BORDER_I8XX
;
3716 case INTEL_PIPE_CRC_SOURCE_NONE
:
3726 static int i9xx_pipe_crc_auto_source(struct drm_device
*dev
, enum pipe pipe
,
3727 enum intel_pipe_crc_source
*source
)
3729 struct intel_encoder
*encoder
;
3730 struct intel_crtc
*crtc
;
3731 struct intel_digital_port
*dig_port
;
3734 *source
= INTEL_PIPE_CRC_SOURCE_PIPE
;
3736 drm_modeset_lock_all(dev
);
3737 for_each_intel_encoder(dev
, encoder
) {
3738 if (!encoder
->base
.crtc
)
3741 crtc
= to_intel_crtc(encoder
->base
.crtc
);
3743 if (crtc
->pipe
!= pipe
)
3746 switch (encoder
->type
) {
3747 case INTEL_OUTPUT_TVOUT
:
3748 *source
= INTEL_PIPE_CRC_SOURCE_TV
;
3750 case INTEL_OUTPUT_DISPLAYPORT
:
3751 case INTEL_OUTPUT_EDP
:
3752 dig_port
= enc_to_dig_port(&encoder
->base
);
3753 switch (dig_port
->port
) {
3755 *source
= INTEL_PIPE_CRC_SOURCE_DP_B
;
3758 *source
= INTEL_PIPE_CRC_SOURCE_DP_C
;
3761 *source
= INTEL_PIPE_CRC_SOURCE_DP_D
;
3764 WARN(1, "nonexisting DP port %c\n",
3765 port_name(dig_port
->port
));
3773 drm_modeset_unlock_all(dev
);
3778 static int vlv_pipe_crc_ctl_reg(struct drm_device
*dev
,
3780 enum intel_pipe_crc_source
*source
,
3783 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
3784 bool need_stable_symbols
= false;
3786 if (*source
== INTEL_PIPE_CRC_SOURCE_AUTO
) {
3787 int ret
= i9xx_pipe_crc_auto_source(dev
, pipe
, source
);
3793 case INTEL_PIPE_CRC_SOURCE_PIPE
:
3794 *val
= PIPE_CRC_ENABLE
| PIPE_CRC_SOURCE_PIPE_VLV
;
3796 case INTEL_PIPE_CRC_SOURCE_DP_B
:
3797 *val
= PIPE_CRC_ENABLE
| PIPE_CRC_SOURCE_DP_B_VLV
;
3798 need_stable_symbols
= true;
3800 case INTEL_PIPE_CRC_SOURCE_DP_C
:
3801 *val
= PIPE_CRC_ENABLE
| PIPE_CRC_SOURCE_DP_C_VLV
;
3802 need_stable_symbols
= true;
3804 case INTEL_PIPE_CRC_SOURCE_DP_D
:
3805 if (!IS_CHERRYVIEW(dev
))
3807 *val
= PIPE_CRC_ENABLE
| PIPE_CRC_SOURCE_DP_D_VLV
;
3808 need_stable_symbols
= true;
3810 case INTEL_PIPE_CRC_SOURCE_NONE
:
3818 * When the pipe CRC tap point is after the transcoders we need
3819 * to tweak symbol-level features to produce a deterministic series of
3820 * symbols for a given frame. We need to reset those features only once
3821 * a frame (instead of every nth symbol):
3822 * - DC-balance: used to ensure a better clock recovery from the data
3824 * - DisplayPort scrambling: used for EMI reduction
3826 if (need_stable_symbols
) {
3827 uint32_t tmp
= I915_READ(PORT_DFT2_G4X
);
3829 tmp
|= DC_BALANCE_RESET_VLV
;
3832 tmp
|= PIPE_A_SCRAMBLE_RESET
;
3835 tmp
|= PIPE_B_SCRAMBLE_RESET
;
3838 tmp
|= PIPE_C_SCRAMBLE_RESET
;
3843 I915_WRITE(PORT_DFT2_G4X
, tmp
);
3849 static int i9xx_pipe_crc_ctl_reg(struct drm_device
*dev
,
3851 enum intel_pipe_crc_source
*source
,
3854 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
3855 bool need_stable_symbols
= false;
3857 if (*source
== INTEL_PIPE_CRC_SOURCE_AUTO
) {
3858 int ret
= i9xx_pipe_crc_auto_source(dev
, pipe
, source
);
3864 case INTEL_PIPE_CRC_SOURCE_PIPE
:
3865 *val
= PIPE_CRC_ENABLE
| PIPE_CRC_SOURCE_PIPE_I9XX
;
3867 case INTEL_PIPE_CRC_SOURCE_TV
:
3868 if (!SUPPORTS_TV(dev
))
3870 *val
= PIPE_CRC_ENABLE
| PIPE_CRC_SOURCE_TV_PRE
;
3872 case INTEL_PIPE_CRC_SOURCE_DP_B
:
3875 *val
= PIPE_CRC_ENABLE
| PIPE_CRC_SOURCE_DP_B_G4X
;
3876 need_stable_symbols
= true;
3878 case INTEL_PIPE_CRC_SOURCE_DP_C
:
3881 *val
= PIPE_CRC_ENABLE
| PIPE_CRC_SOURCE_DP_C_G4X
;
3882 need_stable_symbols
= true;
3884 case INTEL_PIPE_CRC_SOURCE_DP_D
:
3887 *val
= PIPE_CRC_ENABLE
| PIPE_CRC_SOURCE_DP_D_G4X
;
3888 need_stable_symbols
= true;
3890 case INTEL_PIPE_CRC_SOURCE_NONE
:
3898 * When the pipe CRC tap point is after the transcoders we need
3899 * to tweak symbol-level features to produce a deterministic series of
3900 * symbols for a given frame. We need to reset those features only once
3901 * a frame (instead of every nth symbol):
3902 * - DC-balance: used to ensure a better clock recovery from the data
3904 * - DisplayPort scrambling: used for EMI reduction
3906 if (need_stable_symbols
) {
3907 uint32_t tmp
= I915_READ(PORT_DFT2_G4X
);
3909 WARN_ON(!IS_G4X(dev
));
3911 I915_WRITE(PORT_DFT_I9XX
,
3912 I915_READ(PORT_DFT_I9XX
) | DC_BALANCE_RESET
);
3915 tmp
|= PIPE_A_SCRAMBLE_RESET
;
3917 tmp
|= PIPE_B_SCRAMBLE_RESET
;
3919 I915_WRITE(PORT_DFT2_G4X
, tmp
);
3925 static void vlv_undo_pipe_scramble_reset(struct drm_device
*dev
,
3928 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
3929 uint32_t tmp
= I915_READ(PORT_DFT2_G4X
);
3933 tmp
&= ~PIPE_A_SCRAMBLE_RESET
;
3936 tmp
&= ~PIPE_B_SCRAMBLE_RESET
;
3939 tmp
&= ~PIPE_C_SCRAMBLE_RESET
;
3944 if (!(tmp
& PIPE_SCRAMBLE_RESET_MASK
))
3945 tmp
&= ~DC_BALANCE_RESET_VLV
;
3946 I915_WRITE(PORT_DFT2_G4X
, tmp
);
3950 static void g4x_undo_pipe_scramble_reset(struct drm_device
*dev
,
3953 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
3954 uint32_t tmp
= I915_READ(PORT_DFT2_G4X
);
3957 tmp
&= ~PIPE_A_SCRAMBLE_RESET
;
3959 tmp
&= ~PIPE_B_SCRAMBLE_RESET
;
3960 I915_WRITE(PORT_DFT2_G4X
, tmp
);
3962 if (!(tmp
& PIPE_SCRAMBLE_RESET_MASK
)) {
3963 I915_WRITE(PORT_DFT_I9XX
,
3964 I915_READ(PORT_DFT_I9XX
) & ~DC_BALANCE_RESET
);
3968 static int ilk_pipe_crc_ctl_reg(enum intel_pipe_crc_source
*source
,
3971 if (*source
== INTEL_PIPE_CRC_SOURCE_AUTO
)
3972 *source
= INTEL_PIPE_CRC_SOURCE_PIPE
;
3975 case INTEL_PIPE_CRC_SOURCE_PLANE1
:
3976 *val
= PIPE_CRC_ENABLE
| PIPE_CRC_SOURCE_PRIMARY_ILK
;
3978 case INTEL_PIPE_CRC_SOURCE_PLANE2
:
3979 *val
= PIPE_CRC_ENABLE
| PIPE_CRC_SOURCE_SPRITE_ILK
;
3981 case INTEL_PIPE_CRC_SOURCE_PIPE
:
3982 *val
= PIPE_CRC_ENABLE
| PIPE_CRC_SOURCE_PIPE_ILK
;
3984 case INTEL_PIPE_CRC_SOURCE_NONE
:
3994 static void hsw_trans_edp_pipe_A_crc_wa(struct drm_device
*dev
, bool enable
)
3996 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
3997 struct intel_crtc
*crtc
=
3998 to_intel_crtc(dev_priv
->pipe_to_crtc_mapping
[PIPE_A
]);
3999 struct intel_crtc_state
*pipe_config
;
4000 struct drm_atomic_state
*state
;
4003 drm_modeset_lock_all(dev
);
4004 state
= drm_atomic_state_alloc(dev
);
4010 state
->acquire_ctx
= drm_modeset_legacy_acquire_ctx(&crtc
->base
);
4011 pipe_config
= intel_atomic_get_crtc_state(state
, crtc
);
4012 if (IS_ERR(pipe_config
)) {
4013 ret
= PTR_ERR(pipe_config
);
4017 pipe_config
->pch_pfit
.force_thru
= enable
;
4018 if (pipe_config
->cpu_transcoder
== TRANSCODER_EDP
&&
4019 pipe_config
->pch_pfit
.enabled
!= enable
)
4020 pipe_config
->base
.connectors_changed
= true;
4022 ret
= drm_atomic_commit(state
);
4024 drm_modeset_unlock_all(dev
);
4025 WARN(ret
, "Toggling workaround to %i returns %i\n", enable
, ret
);
4027 drm_atomic_state_free(state
);
4030 static int ivb_pipe_crc_ctl_reg(struct drm_device
*dev
,
4032 enum intel_pipe_crc_source
*source
,
4035 if (*source
== INTEL_PIPE_CRC_SOURCE_AUTO
)
4036 *source
= INTEL_PIPE_CRC_SOURCE_PF
;
4039 case INTEL_PIPE_CRC_SOURCE_PLANE1
:
4040 *val
= PIPE_CRC_ENABLE
| PIPE_CRC_SOURCE_PRIMARY_IVB
;
4042 case INTEL_PIPE_CRC_SOURCE_PLANE2
:
4043 *val
= PIPE_CRC_ENABLE
| PIPE_CRC_SOURCE_SPRITE_IVB
;
4045 case INTEL_PIPE_CRC_SOURCE_PF
:
4046 if (IS_HASWELL(dev
) && pipe
== PIPE_A
)
4047 hsw_trans_edp_pipe_A_crc_wa(dev
, true);
4049 *val
= PIPE_CRC_ENABLE
| PIPE_CRC_SOURCE_PF_IVB
;
4051 case INTEL_PIPE_CRC_SOURCE_NONE
:
4061 static int pipe_crc_set_source(struct drm_device
*dev
, enum pipe pipe
,
4062 enum intel_pipe_crc_source source
)
4064 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
4065 struct intel_pipe_crc
*pipe_crc
= &dev_priv
->pipe_crc
[pipe
];
4066 struct intel_crtc
*crtc
= to_intel_crtc(intel_get_crtc_for_pipe(dev
,
4068 enum intel_display_power_domain power_domain
;
4069 u32 val
= 0; /* shut up gcc */
4072 if (pipe_crc
->source
== source
)
4075 /* forbid changing the source without going back to 'none' */
4076 if (pipe_crc
->source
&& source
)
4079 power_domain
= POWER_DOMAIN_PIPE(pipe
);
4080 if (!intel_display_power_get_if_enabled(dev_priv
, power_domain
)) {
4081 DRM_DEBUG_KMS("Trying to capture CRC while pipe is off\n");
4086 ret
= i8xx_pipe_crc_ctl_reg(&source
, &val
);
4087 else if (INTEL_INFO(dev
)->gen
< 5)
4088 ret
= i9xx_pipe_crc_ctl_reg(dev
, pipe
, &source
, &val
);
4089 else if (IS_VALLEYVIEW(dev
) || IS_CHERRYVIEW(dev
))
4090 ret
= vlv_pipe_crc_ctl_reg(dev
, pipe
, &source
, &val
);
4091 else if (IS_GEN5(dev
) || IS_GEN6(dev
))
4092 ret
= ilk_pipe_crc_ctl_reg(&source
, &val
);
4094 ret
= ivb_pipe_crc_ctl_reg(dev
, pipe
, &source
, &val
);
4099 /* none -> real source transition */
4101 struct intel_pipe_crc_entry
*entries
;
4103 DRM_DEBUG_DRIVER("collecting CRCs for pipe %c, %s\n",
4104 pipe_name(pipe
), pipe_crc_source_name(source
));
4106 entries
= kcalloc(INTEL_PIPE_CRC_ENTRIES_NR
,
4107 sizeof(pipe_crc
->entries
[0]),
4115 * When IPS gets enabled, the pipe CRC changes. Since IPS gets
4116 * enabled and disabled dynamically based on package C states,
4117 * user space can't make reliable use of the CRCs, so let's just
4118 * completely disable it.
4120 hsw_disable_ips(crtc
);
4122 spin_lock_irq(&pipe_crc
->lock
);
4123 kfree(pipe_crc
->entries
);
4124 pipe_crc
->entries
= entries
;
4127 spin_unlock_irq(&pipe_crc
->lock
);
4130 pipe_crc
->source
= source
;
4132 I915_WRITE(PIPE_CRC_CTL(pipe
), val
);
4133 POSTING_READ(PIPE_CRC_CTL(pipe
));
4135 /* real source -> none transition */
4136 if (source
== INTEL_PIPE_CRC_SOURCE_NONE
) {
4137 struct intel_pipe_crc_entry
*entries
;
4138 struct intel_crtc
*crtc
=
4139 to_intel_crtc(dev_priv
->pipe_to_crtc_mapping
[pipe
]);
4141 DRM_DEBUG_DRIVER("stopping CRCs for pipe %c\n",
4144 drm_modeset_lock(&crtc
->base
.mutex
, NULL
);
4145 if (crtc
->base
.state
->active
)
4146 intel_wait_for_vblank(dev
, pipe
);
4147 drm_modeset_unlock(&crtc
->base
.mutex
);
4149 spin_lock_irq(&pipe_crc
->lock
);
4150 entries
= pipe_crc
->entries
;
4151 pipe_crc
->entries
= NULL
;
4154 spin_unlock_irq(&pipe_crc
->lock
);
4159 g4x_undo_pipe_scramble_reset(dev
, pipe
);
4160 else if (IS_VALLEYVIEW(dev
) || IS_CHERRYVIEW(dev
))
4161 vlv_undo_pipe_scramble_reset(dev
, pipe
);
4162 else if (IS_HASWELL(dev
) && pipe
== PIPE_A
)
4163 hsw_trans_edp_pipe_A_crc_wa(dev
, false);
4165 hsw_enable_ips(crtc
);
4171 intel_display_power_put(dev_priv
, power_domain
);
4177 * Parse pipe CRC command strings:
4178 * command: wsp* object wsp+ name wsp+ source wsp*
4181 * source: (none | plane1 | plane2 | pf)
4182 * wsp: (#0x20 | #0x9 | #0xA)+
4185 * "pipe A plane1" -> Start CRC computations on plane1 of pipe A
4186 * "pipe A none" -> Stop CRC
4188 static int display_crc_ctl_tokenize(char *buf
, char *words
[], int max_words
)
4195 /* skip leading white space */
4196 buf
= skip_spaces(buf
);
4198 break; /* end of buffer */
4200 /* find end of word */
4201 for (end
= buf
; *end
&& !isspace(*end
); end
++)
4204 if (n_words
== max_words
) {
4205 DRM_DEBUG_DRIVER("too many words, allowed <= %d\n",
4207 return -EINVAL
; /* ran out of words[] before bytes */
4212 words
[n_words
++] = buf
;
4219 enum intel_pipe_crc_object
{
4220 PIPE_CRC_OBJECT_PIPE
,
4223 static const char * const pipe_crc_objects
[] = {
4228 display_crc_ctl_parse_object(const char *buf
, enum intel_pipe_crc_object
*o
)
4232 for (i
= 0; i
< ARRAY_SIZE(pipe_crc_objects
); i
++)
4233 if (!strcmp(buf
, pipe_crc_objects
[i
])) {
4241 static int display_crc_ctl_parse_pipe(const char *buf
, enum pipe
*pipe
)
4243 const char name
= buf
[0];
4245 if (name
< 'A' || name
>= pipe_name(I915_MAX_PIPES
))
4254 display_crc_ctl_parse_source(const char *buf
, enum intel_pipe_crc_source
*s
)
4258 for (i
= 0; i
< ARRAY_SIZE(pipe_crc_sources
); i
++)
4259 if (!strcmp(buf
, pipe_crc_sources
[i
])) {
4267 static int display_crc_ctl_parse(struct drm_device
*dev
, char *buf
, size_t len
)
4271 char *words
[N_WORDS
];
4273 enum intel_pipe_crc_object object
;
4274 enum intel_pipe_crc_source source
;
4276 n_words
= display_crc_ctl_tokenize(buf
, words
, N_WORDS
);
4277 if (n_words
!= N_WORDS
) {
4278 DRM_DEBUG_DRIVER("tokenize failed, a command is %d words\n",
4283 if (display_crc_ctl_parse_object(words
[0], &object
) < 0) {
4284 DRM_DEBUG_DRIVER("unknown object %s\n", words
[0]);
4288 if (display_crc_ctl_parse_pipe(words
[1], &pipe
) < 0) {
4289 DRM_DEBUG_DRIVER("unknown pipe %s\n", words
[1]);
4293 if (display_crc_ctl_parse_source(words
[2], &source
) < 0) {
4294 DRM_DEBUG_DRIVER("unknown source %s\n", words
[2]);
4298 return pipe_crc_set_source(dev
, pipe
, source
);
4301 static ssize_t
display_crc_ctl_write(struct file
*file
, const char __user
*ubuf
,
4302 size_t len
, loff_t
*offp
)
4304 struct seq_file
*m
= file
->private_data
;
4305 struct drm_device
*dev
= m
->private;
4312 if (len
> PAGE_SIZE
- 1) {
4313 DRM_DEBUG_DRIVER("expected <%lu bytes into pipe crc control\n",
4318 tmpbuf
= kmalloc(len
+ 1, GFP_KERNEL
);
4322 if (copy_from_user(tmpbuf
, ubuf
, len
)) {
4328 ret
= display_crc_ctl_parse(dev
, tmpbuf
, len
);
4339 static const struct file_operations i915_display_crc_ctl_fops
= {
4340 .owner
= THIS_MODULE
,
4341 .open
= display_crc_ctl_open
,
4343 .llseek
= seq_lseek
,
4344 .release
= single_release
,
4345 .write
= display_crc_ctl_write
4348 static ssize_t
i915_displayport_test_active_write(struct file
*file
,
4349 const char __user
*ubuf
,
4350 size_t len
, loff_t
*offp
)
4354 struct drm_device
*dev
;
4355 struct drm_connector
*connector
;
4356 struct list_head
*connector_list
;
4357 struct intel_dp
*intel_dp
;
4360 dev
= ((struct seq_file
*)file
->private_data
)->private;
4362 connector_list
= &dev
->mode_config
.connector_list
;
4367 input_buffer
= kmalloc(len
+ 1, GFP_KERNEL
);
4371 if (copy_from_user(input_buffer
, ubuf
, len
)) {
4376 input_buffer
[len
] = '\0';
4377 DRM_DEBUG_DRIVER("Copied %d bytes from user\n", (unsigned int)len
);
4379 list_for_each_entry(connector
, connector_list
, head
) {
4381 if (connector
->connector_type
!=
4382 DRM_MODE_CONNECTOR_DisplayPort
)
4385 if (connector
->status
== connector_status_connected
&&
4386 connector
->encoder
!= NULL
) {
4387 intel_dp
= enc_to_intel_dp(connector
->encoder
);
4388 status
= kstrtoint(input_buffer
, 10, &val
);
4391 DRM_DEBUG_DRIVER("Got %d for test active\n", val
);
4392 /* To prevent erroneous activation of the compliance
4393 * testing code, only accept an actual value of 1 here
4396 intel_dp
->compliance_test_active
= 1;
4398 intel_dp
->compliance_test_active
= 0;
4402 kfree(input_buffer
);
4410 static int i915_displayport_test_active_show(struct seq_file
*m
, void *data
)
4412 struct drm_device
*dev
= m
->private;
4413 struct drm_connector
*connector
;
4414 struct list_head
*connector_list
= &dev
->mode_config
.connector_list
;
4415 struct intel_dp
*intel_dp
;
4417 list_for_each_entry(connector
, connector_list
, head
) {
4419 if (connector
->connector_type
!=
4420 DRM_MODE_CONNECTOR_DisplayPort
)
4423 if (connector
->status
== connector_status_connected
&&
4424 connector
->encoder
!= NULL
) {
4425 intel_dp
= enc_to_intel_dp(connector
->encoder
);
4426 if (intel_dp
->compliance_test_active
)
4437 static int i915_displayport_test_active_open(struct inode
*inode
,
4440 struct drm_device
*dev
= inode
->i_private
;
4442 return single_open(file
, i915_displayport_test_active_show
, dev
);
4445 static const struct file_operations i915_displayport_test_active_fops
= {
4446 .owner
= THIS_MODULE
,
4447 .open
= i915_displayport_test_active_open
,
4449 .llseek
= seq_lseek
,
4450 .release
= single_release
,
4451 .write
= i915_displayport_test_active_write
4454 static int i915_displayport_test_data_show(struct seq_file
*m
, void *data
)
4456 struct drm_device
*dev
= m
->private;
4457 struct drm_connector
*connector
;
4458 struct list_head
*connector_list
= &dev
->mode_config
.connector_list
;
4459 struct intel_dp
*intel_dp
;
4461 list_for_each_entry(connector
, connector_list
, head
) {
4463 if (connector
->connector_type
!=
4464 DRM_MODE_CONNECTOR_DisplayPort
)
4467 if (connector
->status
== connector_status_connected
&&
4468 connector
->encoder
!= NULL
) {
4469 intel_dp
= enc_to_intel_dp(connector
->encoder
);
4470 seq_printf(m
, "%lx", intel_dp
->compliance_test_data
);
4477 static int i915_displayport_test_data_open(struct inode
*inode
,
4480 struct drm_device
*dev
= inode
->i_private
;
4482 return single_open(file
, i915_displayport_test_data_show
, dev
);
4485 static const struct file_operations i915_displayport_test_data_fops
= {
4486 .owner
= THIS_MODULE
,
4487 .open
= i915_displayport_test_data_open
,
4489 .llseek
= seq_lseek
,
4490 .release
= single_release
4493 static int i915_displayport_test_type_show(struct seq_file
*m
, void *data
)
4495 struct drm_device
*dev
= m
->private;
4496 struct drm_connector
*connector
;
4497 struct list_head
*connector_list
= &dev
->mode_config
.connector_list
;
4498 struct intel_dp
*intel_dp
;
4500 list_for_each_entry(connector
, connector_list
, head
) {
4502 if (connector
->connector_type
!=
4503 DRM_MODE_CONNECTOR_DisplayPort
)
4506 if (connector
->status
== connector_status_connected
&&
4507 connector
->encoder
!= NULL
) {
4508 intel_dp
= enc_to_intel_dp(connector
->encoder
);
4509 seq_printf(m
, "%02lx", intel_dp
->compliance_test_type
);
4517 static int i915_displayport_test_type_open(struct inode
*inode
,
4520 struct drm_device
*dev
= inode
->i_private
;
4522 return single_open(file
, i915_displayport_test_type_show
, dev
);
4525 static const struct file_operations i915_displayport_test_type_fops
= {
4526 .owner
= THIS_MODULE
,
4527 .open
= i915_displayport_test_type_open
,
4529 .llseek
= seq_lseek
,
4530 .release
= single_release
4533 static void wm_latency_show(struct seq_file
*m
, const uint16_t wm
[8])
4535 struct drm_device
*dev
= m
->private;
4539 if (IS_CHERRYVIEW(dev
))
4541 else if (IS_VALLEYVIEW(dev
))
4544 num_levels
= ilk_wm_max_level(dev
) + 1;
4546 drm_modeset_lock_all(dev
);
4548 for (level
= 0; level
< num_levels
; level
++) {
4549 unsigned int latency
= wm
[level
];
4552 * - WM1+ latency values in 0.5us units
4553 * - latencies are in us on gen9/vlv/chv
4555 if (INTEL_INFO(dev
)->gen
>= 9 || IS_VALLEYVIEW(dev
) ||
4561 seq_printf(m
, "WM%d %u (%u.%u usec)\n",
4562 level
, wm
[level
], latency
/ 10, latency
% 10);
4565 drm_modeset_unlock_all(dev
);
4568 static int pri_wm_latency_show(struct seq_file
*m
, void *data
)
4570 struct drm_device
*dev
= m
->private;
4571 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
4572 const uint16_t *latencies
;
4574 if (INTEL_INFO(dev
)->gen
>= 9)
4575 latencies
= dev_priv
->wm
.skl_latency
;
4577 latencies
= to_i915(dev
)->wm
.pri_latency
;
4579 wm_latency_show(m
, latencies
);
4584 static int spr_wm_latency_show(struct seq_file
*m
, void *data
)
4586 struct drm_device
*dev
= m
->private;
4587 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
4588 const uint16_t *latencies
;
4590 if (INTEL_INFO(dev
)->gen
>= 9)
4591 latencies
= dev_priv
->wm
.skl_latency
;
4593 latencies
= to_i915(dev
)->wm
.spr_latency
;
4595 wm_latency_show(m
, latencies
);
4600 static int cur_wm_latency_show(struct seq_file
*m
, void *data
)
4602 struct drm_device
*dev
= m
->private;
4603 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
4604 const uint16_t *latencies
;
4606 if (INTEL_INFO(dev
)->gen
>= 9)
4607 latencies
= dev_priv
->wm
.skl_latency
;
4609 latencies
= to_i915(dev
)->wm
.cur_latency
;
4611 wm_latency_show(m
, latencies
);
4616 static int pri_wm_latency_open(struct inode
*inode
, struct file
*file
)
4618 struct drm_device
*dev
= inode
->i_private
;
4620 if (INTEL_INFO(dev
)->gen
< 5)
4623 return single_open(file
, pri_wm_latency_show
, dev
);
4626 static int spr_wm_latency_open(struct inode
*inode
, struct file
*file
)
4628 struct drm_device
*dev
= inode
->i_private
;
4630 if (HAS_GMCH_DISPLAY(dev
))
4633 return single_open(file
, spr_wm_latency_show
, dev
);
4636 static int cur_wm_latency_open(struct inode
*inode
, struct file
*file
)
4638 struct drm_device
*dev
= inode
->i_private
;
4640 if (HAS_GMCH_DISPLAY(dev
))
4643 return single_open(file
, cur_wm_latency_show
, dev
);
4646 static ssize_t
wm_latency_write(struct file
*file
, const char __user
*ubuf
,
4647 size_t len
, loff_t
*offp
, uint16_t wm
[8])
4649 struct seq_file
*m
= file
->private_data
;
4650 struct drm_device
*dev
= m
->private;
4651 uint16_t new[8] = { 0 };
4657 if (IS_CHERRYVIEW(dev
))
4659 else if (IS_VALLEYVIEW(dev
))
4662 num_levels
= ilk_wm_max_level(dev
) + 1;
4664 if (len
>= sizeof(tmp
))
4667 if (copy_from_user(tmp
, ubuf
, len
))
4672 ret
= sscanf(tmp
, "%hu %hu %hu %hu %hu %hu %hu %hu",
4673 &new[0], &new[1], &new[2], &new[3],
4674 &new[4], &new[5], &new[6], &new[7]);
4675 if (ret
!= num_levels
)
4678 drm_modeset_lock_all(dev
);
4680 for (level
= 0; level
< num_levels
; level
++)
4681 wm
[level
] = new[level
];
4683 drm_modeset_unlock_all(dev
);
4689 static ssize_t
pri_wm_latency_write(struct file
*file
, const char __user
*ubuf
,
4690 size_t len
, loff_t
*offp
)
4692 struct seq_file
*m
= file
->private_data
;
4693 struct drm_device
*dev
= m
->private;
4694 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
4695 uint16_t *latencies
;
4697 if (INTEL_INFO(dev
)->gen
>= 9)
4698 latencies
= dev_priv
->wm
.skl_latency
;
4700 latencies
= to_i915(dev
)->wm
.pri_latency
;
4702 return wm_latency_write(file
, ubuf
, len
, offp
, latencies
);
4705 static ssize_t
spr_wm_latency_write(struct file
*file
, const char __user
*ubuf
,
4706 size_t len
, loff_t
*offp
)
4708 struct seq_file
*m
= file
->private_data
;
4709 struct drm_device
*dev
= m
->private;
4710 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
4711 uint16_t *latencies
;
4713 if (INTEL_INFO(dev
)->gen
>= 9)
4714 latencies
= dev_priv
->wm
.skl_latency
;
4716 latencies
= to_i915(dev
)->wm
.spr_latency
;
4718 return wm_latency_write(file
, ubuf
, len
, offp
, latencies
);
4721 static ssize_t
cur_wm_latency_write(struct file
*file
, const char __user
*ubuf
,
4722 size_t len
, loff_t
*offp
)
4724 struct seq_file
*m
= file
->private_data
;
4725 struct drm_device
*dev
= m
->private;
4726 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
4727 uint16_t *latencies
;
4729 if (INTEL_INFO(dev
)->gen
>= 9)
4730 latencies
= dev_priv
->wm
.skl_latency
;
4732 latencies
= to_i915(dev
)->wm
.cur_latency
;
4734 return wm_latency_write(file
, ubuf
, len
, offp
, latencies
);
4737 static const struct file_operations i915_pri_wm_latency_fops
= {
4738 .owner
= THIS_MODULE
,
4739 .open
= pri_wm_latency_open
,
4741 .llseek
= seq_lseek
,
4742 .release
= single_release
,
4743 .write
= pri_wm_latency_write
4746 static const struct file_operations i915_spr_wm_latency_fops
= {
4747 .owner
= THIS_MODULE
,
4748 .open
= spr_wm_latency_open
,
4750 .llseek
= seq_lseek
,
4751 .release
= single_release
,
4752 .write
= spr_wm_latency_write
4755 static const struct file_operations i915_cur_wm_latency_fops
= {
4756 .owner
= THIS_MODULE
,
4757 .open
= cur_wm_latency_open
,
4759 .llseek
= seq_lseek
,
4760 .release
= single_release
,
4761 .write
= cur_wm_latency_write
4765 i915_wedged_get(void *data
, u64
*val
)
4767 struct drm_device
*dev
= data
;
4768 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
4770 *val
= i915_terminally_wedged(&dev_priv
->gpu_error
);
4776 i915_wedged_set(void *data
, u64 val
)
4778 struct drm_device
*dev
= data
;
4779 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
4782 * There is no safeguard against this debugfs entry colliding
4783 * with the hangcheck calling same i915_handle_error() in
4784 * parallel, causing an explosion. For now we assume that the
4785 * test harness is responsible enough not to inject gpu hangs
4786 * while it is writing to 'i915_wedged'
4789 if (i915_reset_in_progress(&dev_priv
->gpu_error
))
4792 intel_runtime_pm_get(dev_priv
);
4794 i915_handle_error(dev_priv
, val
,
4795 "Manually setting wedged to %llu", val
);
4797 intel_runtime_pm_put(dev_priv
);
4802 DEFINE_SIMPLE_ATTRIBUTE(i915_wedged_fops
,
4803 i915_wedged_get
, i915_wedged_set
,
4807 i915_ring_stop_get(void *data
, u64
*val
)
4809 struct drm_device
*dev
= data
;
4810 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
4812 *val
= dev_priv
->gpu_error
.stop_rings
;
4818 i915_ring_stop_set(void *data
, u64 val
)
4820 struct drm_device
*dev
= data
;
4821 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
4824 DRM_DEBUG_DRIVER("Stopping rings 0x%08llx\n", val
);
4826 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
4830 dev_priv
->gpu_error
.stop_rings
= val
;
4831 mutex_unlock(&dev
->struct_mutex
);
4836 DEFINE_SIMPLE_ATTRIBUTE(i915_ring_stop_fops
,
4837 i915_ring_stop_get
, i915_ring_stop_set
,
4841 i915_ring_missed_irq_get(void *data
, u64
*val
)
4843 struct drm_device
*dev
= data
;
4844 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
4846 *val
= dev_priv
->gpu_error
.missed_irq_rings
;
4851 i915_ring_missed_irq_set(void *data
, u64 val
)
4853 struct drm_device
*dev
= data
;
4854 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
4857 /* Lock against concurrent debugfs callers */
4858 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
4861 dev_priv
->gpu_error
.missed_irq_rings
= val
;
4862 mutex_unlock(&dev
->struct_mutex
);
4867 DEFINE_SIMPLE_ATTRIBUTE(i915_ring_missed_irq_fops
,
4868 i915_ring_missed_irq_get
, i915_ring_missed_irq_set
,
4872 i915_ring_test_irq_get(void *data
, u64
*val
)
4874 struct drm_device
*dev
= data
;
4875 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
4877 *val
= dev_priv
->gpu_error
.test_irq_rings
;
4883 i915_ring_test_irq_set(void *data
, u64 val
)
4885 struct drm_device
*dev
= data
;
4886 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
4889 DRM_DEBUG_DRIVER("Masking interrupts on rings 0x%08llx\n", val
);
4891 /* Lock against concurrent debugfs callers */
4892 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
4896 dev_priv
->gpu_error
.test_irq_rings
= val
;
4897 mutex_unlock(&dev
->struct_mutex
);
4902 DEFINE_SIMPLE_ATTRIBUTE(i915_ring_test_irq_fops
,
4903 i915_ring_test_irq_get
, i915_ring_test_irq_set
,
4906 #define DROP_UNBOUND 0x1
4907 #define DROP_BOUND 0x2
4908 #define DROP_RETIRE 0x4
4909 #define DROP_ACTIVE 0x8
4910 #define DROP_ALL (DROP_UNBOUND | \
4915 i915_drop_caches_get(void *data
, u64
*val
)
4923 i915_drop_caches_set(void *data
, u64 val
)
4925 struct drm_device
*dev
= data
;
4926 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
4929 DRM_DEBUG("Dropping caches: 0x%08llx\n", val
);
4931 /* No need to check and wait for gpu resets, only libdrm auto-restarts
4932 * on ioctls on -EAGAIN. */
4933 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
4937 if (val
& DROP_ACTIVE
) {
4938 ret
= i915_gpu_idle(dev
);
4943 if (val
& (DROP_RETIRE
| DROP_ACTIVE
))
4944 i915_gem_retire_requests(dev_priv
);
4946 if (val
& DROP_BOUND
)
4947 i915_gem_shrink(dev_priv
, LONG_MAX
, I915_SHRINK_BOUND
);
4949 if (val
& DROP_UNBOUND
)
4950 i915_gem_shrink(dev_priv
, LONG_MAX
, I915_SHRINK_UNBOUND
);
4953 mutex_unlock(&dev
->struct_mutex
);
4958 DEFINE_SIMPLE_ATTRIBUTE(i915_drop_caches_fops
,
4959 i915_drop_caches_get
, i915_drop_caches_set
,
4963 i915_max_freq_get(void *data
, u64
*val
)
4965 struct drm_device
*dev
= data
;
4966 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
4969 if (INTEL_INFO(dev
)->gen
< 6)
4972 flush_delayed_work(&dev_priv
->rps
.delayed_resume_work
);
4974 ret
= mutex_lock_interruptible(&dev_priv
->rps
.hw_lock
);
4978 *val
= intel_gpu_freq(dev_priv
, dev_priv
->rps
.max_freq_softlimit
);
4979 mutex_unlock(&dev_priv
->rps
.hw_lock
);
4985 i915_max_freq_set(void *data
, u64 val
)
4987 struct drm_device
*dev
= data
;
4988 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
4992 if (INTEL_INFO(dev
)->gen
< 6)
4995 flush_delayed_work(&dev_priv
->rps
.delayed_resume_work
);
4997 DRM_DEBUG_DRIVER("Manually setting max freq to %llu\n", val
);
4999 ret
= mutex_lock_interruptible(&dev_priv
->rps
.hw_lock
);
5004 * Turbo will still be enabled, but won't go above the set value.
5006 val
= intel_freq_opcode(dev_priv
, val
);
5008 hw_max
= dev_priv
->rps
.max_freq
;
5009 hw_min
= dev_priv
->rps
.min_freq
;
5011 if (val
< hw_min
|| val
> hw_max
|| val
< dev_priv
->rps
.min_freq_softlimit
) {
5012 mutex_unlock(&dev_priv
->rps
.hw_lock
);
5016 dev_priv
->rps
.max_freq_softlimit
= val
;
5018 intel_set_rps(dev_priv
, val
);
5020 mutex_unlock(&dev_priv
->rps
.hw_lock
);
5025 DEFINE_SIMPLE_ATTRIBUTE(i915_max_freq_fops
,
5026 i915_max_freq_get
, i915_max_freq_set
,
5030 i915_min_freq_get(void *data
, u64
*val
)
5032 struct drm_device
*dev
= data
;
5033 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
5036 if (INTEL_INFO(dev
)->gen
< 6)
5039 flush_delayed_work(&dev_priv
->rps
.delayed_resume_work
);
5041 ret
= mutex_lock_interruptible(&dev_priv
->rps
.hw_lock
);
5045 *val
= intel_gpu_freq(dev_priv
, dev_priv
->rps
.min_freq_softlimit
);
5046 mutex_unlock(&dev_priv
->rps
.hw_lock
);
5052 i915_min_freq_set(void *data
, u64 val
)
5054 struct drm_device
*dev
= data
;
5055 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
5059 if (INTEL_INFO(dev
)->gen
< 6)
5062 flush_delayed_work(&dev_priv
->rps
.delayed_resume_work
);
5064 DRM_DEBUG_DRIVER("Manually setting min freq to %llu\n", val
);
5066 ret
= mutex_lock_interruptible(&dev_priv
->rps
.hw_lock
);
5071 * Turbo will still be enabled, but won't go below the set value.
5073 val
= intel_freq_opcode(dev_priv
, val
);
5075 hw_max
= dev_priv
->rps
.max_freq
;
5076 hw_min
= dev_priv
->rps
.min_freq
;
5078 if (val
< hw_min
|| val
> hw_max
|| val
> dev_priv
->rps
.max_freq_softlimit
) {
5079 mutex_unlock(&dev_priv
->rps
.hw_lock
);
5083 dev_priv
->rps
.min_freq_softlimit
= val
;
5085 intel_set_rps(dev_priv
, val
);
5087 mutex_unlock(&dev_priv
->rps
.hw_lock
);
5092 DEFINE_SIMPLE_ATTRIBUTE(i915_min_freq_fops
,
5093 i915_min_freq_get
, i915_min_freq_set
,
5097 i915_cache_sharing_get(void *data
, u64
*val
)
5099 struct drm_device
*dev
= data
;
5100 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
5104 if (!(IS_GEN6(dev
) || IS_GEN7(dev
)))
5107 ret
= mutex_lock_interruptible(&dev
->struct_mutex
);
5110 intel_runtime_pm_get(dev_priv
);
5112 snpcr
= I915_READ(GEN6_MBCUNIT_SNPCR
);
5114 intel_runtime_pm_put(dev_priv
);
5115 mutex_unlock(&dev_priv
->dev
->struct_mutex
);
5117 *val
= (snpcr
& GEN6_MBC_SNPCR_MASK
) >> GEN6_MBC_SNPCR_SHIFT
;
5123 i915_cache_sharing_set(void *data
, u64 val
)
5125 struct drm_device
*dev
= data
;
5126 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
5129 if (!(IS_GEN6(dev
) || IS_GEN7(dev
)))
5135 intel_runtime_pm_get(dev_priv
);
5136 DRM_DEBUG_DRIVER("Manually setting uncore sharing to %llu\n", val
);
5138 /* Update the cache sharing policy here as well */
5139 snpcr
= I915_READ(GEN6_MBCUNIT_SNPCR
);
5140 snpcr
&= ~GEN6_MBC_SNPCR_MASK
;
5141 snpcr
|= (val
<< GEN6_MBC_SNPCR_SHIFT
);
5142 I915_WRITE(GEN6_MBCUNIT_SNPCR
, snpcr
);
5144 intel_runtime_pm_put(dev_priv
);
5148 DEFINE_SIMPLE_ATTRIBUTE(i915_cache_sharing_fops
,
5149 i915_cache_sharing_get
, i915_cache_sharing_set
,
5152 struct sseu_dev_status
{
5153 unsigned int slice_total
;
5154 unsigned int subslice_total
;
5155 unsigned int subslice_per_slice
;
5156 unsigned int eu_total
;
5157 unsigned int eu_per_subslice
;
5160 static void cherryview_sseu_device_status(struct drm_device
*dev
,
5161 struct sseu_dev_status
*stat
)
5163 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
5166 u32 sig1
[ss_max
], sig2
[ss_max
];
5168 sig1
[0] = I915_READ(CHV_POWER_SS0_SIG1
);
5169 sig1
[1] = I915_READ(CHV_POWER_SS1_SIG1
);
5170 sig2
[0] = I915_READ(CHV_POWER_SS0_SIG2
);
5171 sig2
[1] = I915_READ(CHV_POWER_SS1_SIG2
);
5173 for (ss
= 0; ss
< ss_max
; ss
++) {
5174 unsigned int eu_cnt
;
5176 if (sig1
[ss
] & CHV_SS_PG_ENABLE
)
5177 /* skip disabled subslice */
5180 stat
->slice_total
= 1;
5181 stat
->subslice_per_slice
++;
5182 eu_cnt
= ((sig1
[ss
] & CHV_EU08_PG_ENABLE
) ? 0 : 2) +
5183 ((sig1
[ss
] & CHV_EU19_PG_ENABLE
) ? 0 : 2) +
5184 ((sig1
[ss
] & CHV_EU210_PG_ENABLE
) ? 0 : 2) +
5185 ((sig2
[ss
] & CHV_EU311_PG_ENABLE
) ? 0 : 2);
5186 stat
->eu_total
+= eu_cnt
;
5187 stat
->eu_per_subslice
= max(stat
->eu_per_subslice
, eu_cnt
);
5189 stat
->subslice_total
= stat
->subslice_per_slice
;
5192 static void gen9_sseu_device_status(struct drm_device
*dev
,
5193 struct sseu_dev_status
*stat
)
5195 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
5196 int s_max
= 3, ss_max
= 4;
5198 u32 s_reg
[s_max
], eu_reg
[2*s_max
], eu_mask
[2];
5200 /* BXT has a single slice and at most 3 subslices. */
5201 if (IS_BROXTON(dev
)) {
5206 for (s
= 0; s
< s_max
; s
++) {
5207 s_reg
[s
] = I915_READ(GEN9_SLICE_PGCTL_ACK(s
));
5208 eu_reg
[2*s
] = I915_READ(GEN9_SS01_EU_PGCTL_ACK(s
));
5209 eu_reg
[2*s
+ 1] = I915_READ(GEN9_SS23_EU_PGCTL_ACK(s
));
5212 eu_mask
[0] = GEN9_PGCTL_SSA_EU08_ACK
|
5213 GEN9_PGCTL_SSA_EU19_ACK
|
5214 GEN9_PGCTL_SSA_EU210_ACK
|
5215 GEN9_PGCTL_SSA_EU311_ACK
;
5216 eu_mask
[1] = GEN9_PGCTL_SSB_EU08_ACK
|
5217 GEN9_PGCTL_SSB_EU19_ACK
|
5218 GEN9_PGCTL_SSB_EU210_ACK
|
5219 GEN9_PGCTL_SSB_EU311_ACK
;
5221 for (s
= 0; s
< s_max
; s
++) {
5222 unsigned int ss_cnt
= 0;
5224 if ((s_reg
[s
] & GEN9_PGCTL_SLICE_ACK
) == 0)
5225 /* skip disabled slice */
5228 stat
->slice_total
++;
5230 if (IS_SKYLAKE(dev
) || IS_KABYLAKE(dev
))
5231 ss_cnt
= INTEL_INFO(dev
)->subslice_per_slice
;
5233 for (ss
= 0; ss
< ss_max
; ss
++) {
5234 unsigned int eu_cnt
;
5236 if (IS_BROXTON(dev
) &&
5237 !(s_reg
[s
] & (GEN9_PGCTL_SS_ACK(ss
))))
5238 /* skip disabled subslice */
5241 if (IS_BROXTON(dev
))
5244 eu_cnt
= 2 * hweight32(eu_reg
[2*s
+ ss
/2] &
5246 stat
->eu_total
+= eu_cnt
;
5247 stat
->eu_per_subslice
= max(stat
->eu_per_subslice
,
5251 stat
->subslice_total
+= ss_cnt
;
5252 stat
->subslice_per_slice
= max(stat
->subslice_per_slice
,
5257 static void broadwell_sseu_device_status(struct drm_device
*dev
,
5258 struct sseu_dev_status
*stat
)
5260 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
5262 u32 slice_info
= I915_READ(GEN8_GT_SLICE_INFO
);
5264 stat
->slice_total
= hweight32(slice_info
& GEN8_LSLICESTAT_MASK
);
5266 if (stat
->slice_total
) {
5267 stat
->subslice_per_slice
= INTEL_INFO(dev
)->subslice_per_slice
;
5268 stat
->subslice_total
= stat
->slice_total
*
5269 stat
->subslice_per_slice
;
5270 stat
->eu_per_subslice
= INTEL_INFO(dev
)->eu_per_subslice
;
5271 stat
->eu_total
= stat
->eu_per_subslice
* stat
->subslice_total
;
5273 /* subtract fused off EU(s) from enabled slice(s) */
5274 for (s
= 0; s
< stat
->slice_total
; s
++) {
5275 u8 subslice_7eu
= INTEL_INFO(dev
)->subslice_7eu
[s
];
5277 stat
->eu_total
-= hweight8(subslice_7eu
);
5282 static int i915_sseu_status(struct seq_file
*m
, void *unused
)
5284 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
5285 struct drm_device
*dev
= node
->minor
->dev
;
5286 struct sseu_dev_status stat
;
5288 if (INTEL_INFO(dev
)->gen
< 8)
5291 seq_puts(m
, "SSEU Device Info\n");
5292 seq_printf(m
, " Available Slice Total: %u\n",
5293 INTEL_INFO(dev
)->slice_total
);
5294 seq_printf(m
, " Available Subslice Total: %u\n",
5295 INTEL_INFO(dev
)->subslice_total
);
5296 seq_printf(m
, " Available Subslice Per Slice: %u\n",
5297 INTEL_INFO(dev
)->subslice_per_slice
);
5298 seq_printf(m
, " Available EU Total: %u\n",
5299 INTEL_INFO(dev
)->eu_total
);
5300 seq_printf(m
, " Available EU Per Subslice: %u\n",
5301 INTEL_INFO(dev
)->eu_per_subslice
);
5302 seq_printf(m
, " Has Pooled EU: %s\n", yesno(HAS_POOLED_EU(dev
)));
5303 if (HAS_POOLED_EU(dev
))
5304 seq_printf(m
, " Min EU in pool: %u\n",
5305 INTEL_INFO(dev
)->min_eu_in_pool
);
5306 seq_printf(m
, " Has Slice Power Gating: %s\n",
5307 yesno(INTEL_INFO(dev
)->has_slice_pg
));
5308 seq_printf(m
, " Has Subslice Power Gating: %s\n",
5309 yesno(INTEL_INFO(dev
)->has_subslice_pg
));
5310 seq_printf(m
, " Has EU Power Gating: %s\n",
5311 yesno(INTEL_INFO(dev
)->has_eu_pg
));
5313 seq_puts(m
, "SSEU Device Status\n");
5314 memset(&stat
, 0, sizeof(stat
));
5315 if (IS_CHERRYVIEW(dev
)) {
5316 cherryview_sseu_device_status(dev
, &stat
);
5317 } else if (IS_BROADWELL(dev
)) {
5318 broadwell_sseu_device_status(dev
, &stat
);
5319 } else if (INTEL_INFO(dev
)->gen
>= 9) {
5320 gen9_sseu_device_status(dev
, &stat
);
5322 seq_printf(m
, " Enabled Slice Total: %u\n",
5324 seq_printf(m
, " Enabled Subslice Total: %u\n",
5325 stat
.subslice_total
);
5326 seq_printf(m
, " Enabled Subslice Per Slice: %u\n",
5327 stat
.subslice_per_slice
);
5328 seq_printf(m
, " Enabled EU Total: %u\n",
5330 seq_printf(m
, " Enabled EU Per Subslice: %u\n",
5331 stat
.eu_per_subslice
);
5336 static int i915_forcewake_open(struct inode
*inode
, struct file
*file
)
5338 struct drm_device
*dev
= inode
->i_private
;
5339 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
5341 if (INTEL_INFO(dev
)->gen
< 6)
5344 intel_runtime_pm_get(dev_priv
);
5345 intel_uncore_forcewake_get(dev_priv
, FORCEWAKE_ALL
);
5350 static int i915_forcewake_release(struct inode
*inode
, struct file
*file
)
5352 struct drm_device
*dev
= inode
->i_private
;
5353 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
5355 if (INTEL_INFO(dev
)->gen
< 6)
5358 intel_uncore_forcewake_put(dev_priv
, FORCEWAKE_ALL
);
5359 intel_runtime_pm_put(dev_priv
);
5364 static const struct file_operations i915_forcewake_fops
= {
5365 .owner
= THIS_MODULE
,
5366 .open
= i915_forcewake_open
,
5367 .release
= i915_forcewake_release
,
5370 static int i915_forcewake_create(struct dentry
*root
, struct drm_minor
*minor
)
5372 struct drm_device
*dev
= minor
->dev
;
5375 ent
= debugfs_create_file("i915_forcewake_user",
5378 &i915_forcewake_fops
);
5382 return drm_add_fake_info_node(minor
, ent
, &i915_forcewake_fops
);
5385 static int i915_debugfs_create(struct dentry
*root
,
5386 struct drm_minor
*minor
,
5388 const struct file_operations
*fops
)
5390 struct drm_device
*dev
= minor
->dev
;
5393 ent
= debugfs_create_file(name
,
5400 return drm_add_fake_info_node(minor
, ent
, fops
);
5403 static const struct drm_info_list i915_debugfs_list
[] = {
5404 {"i915_capabilities", i915_capabilities
, 0},
5405 {"i915_gem_objects", i915_gem_object_info
, 0},
5406 {"i915_gem_gtt", i915_gem_gtt_info
, 0},
5407 {"i915_gem_pinned", i915_gem_gtt_info
, 0, (void *) PINNED_LIST
},
5408 {"i915_gem_active", i915_gem_object_list_info
, 0, (void *) ACTIVE_LIST
},
5409 {"i915_gem_inactive", i915_gem_object_list_info
, 0, (void *) INACTIVE_LIST
},
5410 {"i915_gem_stolen", i915_gem_stolen_list_info
},
5411 {"i915_gem_pageflip", i915_gem_pageflip_info
, 0},
5412 {"i915_gem_request", i915_gem_request_info
, 0},
5413 {"i915_gem_seqno", i915_gem_seqno_info
, 0},
5414 {"i915_gem_fence_regs", i915_gem_fence_regs_info
, 0},
5415 {"i915_gem_interrupt", i915_interrupt_info
, 0},
5416 {"i915_gem_hws", i915_hws_info
, 0, (void *)RCS
},
5417 {"i915_gem_hws_blt", i915_hws_info
, 0, (void *)BCS
},
5418 {"i915_gem_hws_bsd", i915_hws_info
, 0, (void *)VCS
},
5419 {"i915_gem_hws_vebox", i915_hws_info
, 0, (void *)VECS
},
5420 {"i915_gem_batch_pool", i915_gem_batch_pool_info
, 0},
5421 {"i915_guc_info", i915_guc_info
, 0},
5422 {"i915_guc_load_status", i915_guc_load_status_info
, 0},
5423 {"i915_guc_log_dump", i915_guc_log_dump
, 0},
5424 {"i915_frequency_info", i915_frequency_info
, 0},
5425 {"i915_hangcheck_info", i915_hangcheck_info
, 0},
5426 {"i915_drpc_info", i915_drpc_info
, 0},
5427 {"i915_emon_status", i915_emon_status
, 0},
5428 {"i915_ring_freq_table", i915_ring_freq_table
, 0},
5429 {"i915_frontbuffer_tracking", i915_frontbuffer_tracking
, 0},
5430 {"i915_fbc_status", i915_fbc_status
, 0},
5431 {"i915_ips_status", i915_ips_status
, 0},
5432 {"i915_sr_status", i915_sr_status
, 0},
5433 {"i915_opregion", i915_opregion
, 0},
5434 {"i915_vbt", i915_vbt
, 0},
5435 {"i915_gem_framebuffer", i915_gem_framebuffer_info
, 0},
5436 {"i915_context_status", i915_context_status
, 0},
5437 {"i915_dump_lrc", i915_dump_lrc
, 0},
5438 {"i915_execlists", i915_execlists
, 0},
5439 {"i915_forcewake_domains", i915_forcewake_domains
, 0},
5440 {"i915_swizzle_info", i915_swizzle_info
, 0},
5441 {"i915_ppgtt_info", i915_ppgtt_info
, 0},
5442 {"i915_llc", i915_llc
, 0},
5443 {"i915_edp_psr_status", i915_edp_psr_status
, 0},
5444 {"i915_sink_crc_eDP1", i915_sink_crc
, 0},
5445 {"i915_energy_uJ", i915_energy_uJ
, 0},
5446 {"i915_runtime_pm_status", i915_runtime_pm_status
, 0},
5447 {"i915_power_domain_info", i915_power_domain_info
, 0},
5448 {"i915_dmc_info", i915_dmc_info
, 0},
5449 {"i915_display_info", i915_display_info
, 0},
5450 {"i915_semaphore_status", i915_semaphore_status
, 0},
5451 {"i915_shared_dplls_info", i915_shared_dplls_info
, 0},
5452 {"i915_dp_mst_info", i915_dp_mst_info
, 0},
5453 {"i915_wa_registers", i915_wa_registers
, 0},
5454 {"i915_ddb_info", i915_ddb_info
, 0},
5455 {"i915_sseu_status", i915_sseu_status
, 0},
5456 {"i915_drrs_status", i915_drrs_status
, 0},
5457 {"i915_rps_boost_info", i915_rps_boost_info
, 0},
5459 #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
5461 static const struct i915_debugfs_files
{
5463 const struct file_operations
*fops
;
5464 } i915_debugfs_files
[] = {
5465 {"i915_wedged", &i915_wedged_fops
},
5466 {"i915_max_freq", &i915_max_freq_fops
},
5467 {"i915_min_freq", &i915_min_freq_fops
},
5468 {"i915_cache_sharing", &i915_cache_sharing_fops
},
5469 {"i915_ring_stop", &i915_ring_stop_fops
},
5470 {"i915_ring_missed_irq", &i915_ring_missed_irq_fops
},
5471 {"i915_ring_test_irq", &i915_ring_test_irq_fops
},
5472 {"i915_gem_drop_caches", &i915_drop_caches_fops
},
5473 {"i915_error_state", &i915_error_state_fops
},
5474 {"i915_next_seqno", &i915_next_seqno_fops
},
5475 {"i915_display_crc_ctl", &i915_display_crc_ctl_fops
},
5476 {"i915_pri_wm_latency", &i915_pri_wm_latency_fops
},
5477 {"i915_spr_wm_latency", &i915_spr_wm_latency_fops
},
5478 {"i915_cur_wm_latency", &i915_cur_wm_latency_fops
},
5479 {"i915_fbc_false_color", &i915_fbc_fc_fops
},
5480 {"i915_dp_test_data", &i915_displayport_test_data_fops
},
5481 {"i915_dp_test_type", &i915_displayport_test_type_fops
},
5482 {"i915_dp_test_active", &i915_displayport_test_active_fops
}
5485 void intel_display_crc_init(struct drm_device
*dev
)
5487 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
5490 for_each_pipe(dev_priv
, pipe
) {
5491 struct intel_pipe_crc
*pipe_crc
= &dev_priv
->pipe_crc
[pipe
];
5493 pipe_crc
->opened
= false;
5494 spin_lock_init(&pipe_crc
->lock
);
5495 init_waitqueue_head(&pipe_crc
->wq
);
5499 int i915_debugfs_init(struct drm_minor
*minor
)
5503 ret
= i915_forcewake_create(minor
->debugfs_root
, minor
);
5507 for (i
= 0; i
< ARRAY_SIZE(i915_pipe_crc_data
); i
++) {
5508 ret
= i915_pipe_crc_create(minor
->debugfs_root
, minor
, i
);
5513 for (i
= 0; i
< ARRAY_SIZE(i915_debugfs_files
); i
++) {
5514 ret
= i915_debugfs_create(minor
->debugfs_root
, minor
,
5515 i915_debugfs_files
[i
].name
,
5516 i915_debugfs_files
[i
].fops
);
5521 return drm_debugfs_create_files(i915_debugfs_list
,
5522 I915_DEBUGFS_ENTRIES
,
5523 minor
->debugfs_root
, minor
);
5526 void i915_debugfs_cleanup(struct drm_minor
*minor
)
5530 drm_debugfs_remove_files(i915_debugfs_list
,
5531 I915_DEBUGFS_ENTRIES
, minor
);
5533 drm_debugfs_remove_files((struct drm_info_list
*) &i915_forcewake_fops
,
5536 for (i
= 0; i
< ARRAY_SIZE(i915_pipe_crc_data
); i
++) {
5537 struct drm_info_list
*info_list
=
5538 (struct drm_info_list
*)&i915_pipe_crc_data
[i
];
5540 drm_debugfs_remove_files(info_list
, 1, minor
);
5543 for (i
= 0; i
< ARRAY_SIZE(i915_debugfs_files
); i
++) {
5544 struct drm_info_list
*info_list
=
5545 (struct drm_info_list
*) i915_debugfs_files
[i
].fops
;
5547 drm_debugfs_remove_files(info_list
, 1, minor
);
5552 /* DPCD dump start address. */
5553 unsigned int offset
;
5554 /* DPCD dump end address, inclusive. If unset, .size will be used. */
5556 /* DPCD dump size. Used if .end is unset. If unset, defaults to 1. */
5558 /* Only valid for eDP. */
5562 static const struct dpcd_block i915_dpcd_debug
[] = {
5563 { .offset
= DP_DPCD_REV
, .size
= DP_RECEIVER_CAP_SIZE
},
5564 { .offset
= DP_PSR_SUPPORT
, .end
= DP_PSR_CAPS
},
5565 { .offset
= DP_DOWNSTREAM_PORT_0
, .size
= 16 },
5566 { .offset
= DP_LINK_BW_SET
, .end
= DP_EDP_CONFIGURATION_SET
},
5567 { .offset
= DP_SINK_COUNT
, .end
= DP_ADJUST_REQUEST_LANE2_3
},
5568 { .offset
= DP_SET_POWER
},
5569 { .offset
= DP_EDP_DPCD_REV
},
5570 { .offset
= DP_EDP_GENERAL_CAP_1
, .end
= DP_EDP_GENERAL_CAP_3
},
5571 { .offset
= DP_EDP_DISPLAY_CONTROL_REGISTER
, .end
= DP_EDP_BACKLIGHT_FREQ_CAP_MAX_LSB
},
5572 { .offset
= DP_EDP_DBC_MINIMUM_BRIGHTNESS_SET
, .end
= DP_EDP_DBC_MAXIMUM_BRIGHTNESS_SET
},
5575 static int i915_dpcd_show(struct seq_file
*m
, void *data
)
5577 struct drm_connector
*connector
= m
->private;
5578 struct intel_dp
*intel_dp
=
5579 enc_to_intel_dp(&intel_attached_encoder(connector
)->base
);
5584 if (connector
->status
!= connector_status_connected
)
5587 for (i
= 0; i
< ARRAY_SIZE(i915_dpcd_debug
); i
++) {
5588 const struct dpcd_block
*b
= &i915_dpcd_debug
[i
];
5589 size_t size
= b
->end
? b
->end
- b
->offset
+ 1 : (b
->size
?: 1);
5592 connector
->connector_type
!= DRM_MODE_CONNECTOR_eDP
)
5595 /* low tech for now */
5596 if (WARN_ON(size
> sizeof(buf
)))
5599 err
= drm_dp_dpcd_read(&intel_dp
->aux
, b
->offset
, buf
, size
);
5601 DRM_ERROR("dpcd read (%zu bytes at %u) failed (%zd)\n",
5602 size
, b
->offset
, err
);
5606 seq_printf(m
, "%04x: %*ph\n", b
->offset
, (int) size
, buf
);
5612 static int i915_dpcd_open(struct inode
*inode
, struct file
*file
)
5614 return single_open(file
, i915_dpcd_show
, inode
->i_private
);
5617 static const struct file_operations i915_dpcd_fops
= {
5618 .owner
= THIS_MODULE
,
5619 .open
= i915_dpcd_open
,
5621 .llseek
= seq_lseek
,
5622 .release
= single_release
,
5626 * i915_debugfs_connector_add - add i915 specific connector debugfs files
5627 * @connector: pointer to a registered drm_connector
5629 * Cleanup will be done by drm_connector_unregister() through a call to
5630 * drm_debugfs_connector_remove().
5632 * Returns 0 on success, negative error codes on error.
5634 int i915_debugfs_connector_add(struct drm_connector
*connector
)
5636 struct dentry
*root
= connector
->debugfs_entry
;
5638 /* The connector must have been registered beforehands. */
5642 if (connector
->connector_type
== DRM_MODE_CONNECTOR_DisplayPort
||
5643 connector
->connector_type
== DRM_MODE_CONNECTOR_eDP
)
5644 debugfs_create_file("i915_dpcd", S_IRUGO
, root
, connector
,