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 const char *get_pin_flag(struct drm_i915_gem_object *obj)
100 static const char *get_tiling_flag(struct drm_i915_gem_object *obj)
102 switch (obj->tiling_mode) {
104 case I915_TILING_NONE: return " ";
105 case I915_TILING_X: return "X";
106 case I915_TILING_Y: return "Y";
110 static inline const char *get_global_flag(struct drm_i915_gem_object *obj)
112 return i915_gem_obj_to_ggtt(obj) ? "g" : " ";
115 static u64 i915_gem_obj_total_ggtt_size(struct drm_i915_gem_object *obj)
118 struct i915_vma *vma;
120 list_for_each_entry(vma, &obj->vma_list, vma_link) {
121 if (i915_is_ggtt(vma->vm) &&
122 drm_mm_node_allocated(&vma->node))
123 size += vma->node.size;
130 describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
132 struct drm_i915_private *dev_priv = to_i915(obj->base.dev);
133 struct intel_engine_cs *ring;
134 struct i915_vma *vma;
138 seq_printf(m, "%pK: %s%s%s%s %8zdKiB %02x %02x [ ",
140 obj->active ? "*" : " ",
142 get_tiling_flag(obj),
143 get_global_flag(obj),
144 obj->base.size / 1024,
145 obj->base.read_domains,
146 obj->base.write_domain);
147 for_each_ring(ring, dev_priv, i)
149 i915_gem_request_get_seqno(obj->last_read_req[i]));
150 seq_printf(m, "] %x %x%s%s%s",
151 i915_gem_request_get_seqno(obj->last_write_req),
152 i915_gem_request_get_seqno(obj->last_fenced_req),
153 i915_cache_level_str(to_i915(obj->base.dev), obj->cache_level),
154 obj->dirty ? " dirty" : "",
155 obj->madv == I915_MADV_DONTNEED ? " purgeable" : "");
157 seq_printf(m, " (name: %d)", obj->base.name);
158 list_for_each_entry(vma, &obj->vma_list, vma_link) {
159 if (vma->pin_count > 0)
162 seq_printf(m, " (pinned x %d)", pin_count);
163 if (obj->pin_display)
164 seq_printf(m, " (display)");
165 if (obj->fence_reg != I915_FENCE_REG_NONE)
166 seq_printf(m, " (fence: %d)", obj->fence_reg);
167 list_for_each_entry(vma, &obj->vma_list, vma_link) {
168 seq_printf(m, " (%sgtt offset: %08llx, size: %08llx",
169 i915_is_ggtt(vma->vm) ? "g" : "pp",
170 vma->node.start, vma->node.size);
171 if (i915_is_ggtt(vma->vm))
172 seq_printf(m, ", type: %u)", vma->ggtt_view.type);
177 seq_printf(m, " (stolen: %08llx)", obj->stolen->start);
178 if (obj->pin_display || obj->fault_mappable) {
180 if (obj->pin_display)
182 if (obj->fault_mappable)
185 seq_printf(m, " (%s mappable)", s);
187 if (obj->last_write_req != NULL)
188 seq_printf(m, " (%s)",
189 i915_gem_request_get_ring(obj->last_write_req)->name);
190 if (obj->frontbuffer_bits)
191 seq_printf(m, " (frontbuffer: 0x%03x)", obj->frontbuffer_bits);
194 static void describe_ctx(struct seq_file *m, struct intel_context *ctx)
196 seq_putc(m, ctx->legacy_hw_ctx.initialized ? 'I' : 'i');
197 seq_putc(m, ctx->remap_slice ? 'R' : 'r');
201 static int i915_gem_object_list_info(struct seq_file *m, void *data)
203 struct drm_info_node *node = m->private;
204 uintptr_t list = (uintptr_t) node->info_ent->data;
205 struct list_head *head;
206 struct drm_device *dev = node->minor->dev;
207 struct drm_i915_private *dev_priv = dev->dev_private;
208 struct i915_address_space *vm = &dev_priv->gtt.base;
209 struct i915_vma *vma;
210 u64 total_obj_size, total_gtt_size;
213 ret = mutex_lock_interruptible(&dev->struct_mutex);
217 /* FIXME: the user of this interface might want more than just GGTT */
220 seq_puts(m, "Active:\n");
221 head = &vm->active_list;
224 seq_puts(m, "Inactive:\n");
225 head = &vm->inactive_list;
228 mutex_unlock(&dev->struct_mutex);
232 total_obj_size = total_gtt_size = count = 0;
233 list_for_each_entry(vma, head, mm_list) {
235 describe_obj(m, vma->obj);
237 total_obj_size += vma->obj->base.size;
238 total_gtt_size += vma->node.size;
241 mutex_unlock(&dev->struct_mutex);
243 seq_printf(m, "Total %d objects, %llu bytes, %llu GTT size\n",
244 count, total_obj_size, total_gtt_size);
248 static int obj_rank_by_stolen(void *priv,
249 struct list_head *A, struct list_head *B)
251 struct drm_i915_gem_object *a =
252 container_of(A, struct drm_i915_gem_object, obj_exec_link);
253 struct drm_i915_gem_object *b =
254 container_of(B, struct drm_i915_gem_object, obj_exec_link);
256 if (a->stolen->start < b->stolen->start)
258 if (a->stolen->start > b->stolen->start)
263 static int i915_gem_stolen_list_info(struct seq_file *m, void *data)
265 struct drm_info_node *node = m->private;
266 struct drm_device *dev = node->minor->dev;
267 struct drm_i915_private *dev_priv = dev->dev_private;
268 struct drm_i915_gem_object *obj;
269 u64 total_obj_size, total_gtt_size;
273 ret = mutex_lock_interruptible(&dev->struct_mutex);
277 total_obj_size = total_gtt_size = count = 0;
278 list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
279 if (obj->stolen == NULL)
282 list_add(&obj->obj_exec_link, &stolen);
284 total_obj_size += obj->base.size;
285 total_gtt_size += i915_gem_obj_total_ggtt_size(obj);
288 list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_list) {
289 if (obj->stolen == NULL)
292 list_add(&obj->obj_exec_link, &stolen);
294 total_obj_size += obj->base.size;
297 list_sort(NULL, &stolen, obj_rank_by_stolen);
298 seq_puts(m, "Stolen:\n");
299 while (!list_empty(&stolen)) {
300 obj = list_first_entry(&stolen, typeof(*obj), obj_exec_link);
302 describe_obj(m, obj);
304 list_del_init(&obj->obj_exec_link);
306 mutex_unlock(&dev->struct_mutex);
308 seq_printf(m, "Total %d objects, %llu bytes, %llu GTT size\n",
309 count, total_obj_size, total_gtt_size);
313 #define count_objects(list, member) do { \
314 list_for_each_entry(obj, list, member) { \
315 size += i915_gem_obj_total_ggtt_size(obj); \
317 if (obj->map_and_fenceable) { \
318 mappable_size += i915_gem_obj_ggtt_size(obj); \
325 struct drm_i915_file_private *file_priv;
329 u64 active, inactive;
332 static int per_file_stats(int id, void *ptr, void *data)
334 struct drm_i915_gem_object *obj = ptr;
335 struct file_stats *stats = data;
336 struct i915_vma *vma;
339 stats->total += obj->base.size;
341 if (obj->base.name || obj->base.dma_buf)
342 stats->shared += obj->base.size;
344 if (USES_FULL_PPGTT(obj->base.dev)) {
345 list_for_each_entry(vma, &obj->vma_list, vma_link) {
346 struct i915_hw_ppgtt *ppgtt;
348 if (!drm_mm_node_allocated(&vma->node))
351 if (i915_is_ggtt(vma->vm)) {
352 stats->global += obj->base.size;
356 ppgtt = container_of(vma->vm, struct i915_hw_ppgtt, base);
357 if (ppgtt->file_priv != stats->file_priv)
360 if (obj->active) /* XXX per-vma statistic */
361 stats->active += obj->base.size;
363 stats->inactive += obj->base.size;
368 if (i915_gem_obj_ggtt_bound(obj)) {
369 stats->global += obj->base.size;
371 stats->active += obj->base.size;
373 stats->inactive += obj->base.size;
378 if (!list_empty(&obj->global_list))
379 stats->unbound += obj->base.size;
384 #define print_file_stats(m, name, stats) do { \
386 seq_printf(m, "%s: %lu objects, %llu bytes (%llu active, %llu inactive, %llu global, %llu shared, %llu unbound)\n", \
397 static void print_batch_pool_stats(struct seq_file *m,
398 struct drm_i915_private *dev_priv)
400 struct drm_i915_gem_object *obj;
401 struct file_stats stats;
402 struct intel_engine_cs *ring;
405 memset(&stats, 0, sizeof(stats));
407 for_each_ring(ring, dev_priv, i) {
408 for (j = 0; j < ARRAY_SIZE(ring->batch_pool.cache_list); j++) {
409 list_for_each_entry(obj,
410 &ring->batch_pool.cache_list[j],
412 per_file_stats(0, obj, &stats);
416 print_file_stats(m, "[k]batch pool", stats);
419 #define count_vmas(list, member) do { \
420 list_for_each_entry(vma, list, member) { \
421 size += i915_gem_obj_total_ggtt_size(vma->obj); \
423 if (vma->obj->map_and_fenceable) { \
424 mappable_size += i915_gem_obj_ggtt_size(vma->obj); \
430 static int i915_gem_object_info(struct seq_file *m, void* data)
432 struct drm_info_node *node = m->private;
433 struct drm_device *dev = node->minor->dev;
434 struct drm_i915_private *dev_priv = dev->dev_private;
435 u32 count, mappable_count, purgeable_count;
436 u64 size, mappable_size, purgeable_size;
437 struct drm_i915_gem_object *obj;
438 struct i915_address_space *vm = &dev_priv->gtt.base;
439 struct drm_file *file;
440 struct i915_vma *vma;
443 ret = mutex_lock_interruptible(&dev->struct_mutex);
447 seq_printf(m, "%u objects, %zu bytes\n",
448 dev_priv->mm.object_count,
449 dev_priv->mm.object_memory);
451 size = count = mappable_size = mappable_count = 0;
452 count_objects(&dev_priv->mm.bound_list, global_list);
453 seq_printf(m, "%u [%u] objects, %llu [%llu] bytes in gtt\n",
454 count, mappable_count, size, mappable_size);
456 size = count = mappable_size = mappable_count = 0;
457 count_vmas(&vm->active_list, mm_list);
458 seq_printf(m, " %u [%u] active objects, %llu [%llu] bytes\n",
459 count, mappable_count, size, mappable_size);
461 size = count = mappable_size = mappable_count = 0;
462 count_vmas(&vm->inactive_list, mm_list);
463 seq_printf(m, " %u [%u] inactive objects, %llu [%llu] bytes\n",
464 count, mappable_count, size, mappable_size);
466 size = count = purgeable_size = purgeable_count = 0;
467 list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_list) {
468 size += obj->base.size, ++count;
469 if (obj->madv == I915_MADV_DONTNEED)
470 purgeable_size += obj->base.size, ++purgeable_count;
472 seq_printf(m, "%u unbound objects, %llu bytes\n", count, size);
474 size = count = mappable_size = mappable_count = 0;
475 list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
476 if (obj->fault_mappable) {
477 size += i915_gem_obj_ggtt_size(obj);
480 if (obj->pin_display) {
481 mappable_size += i915_gem_obj_ggtt_size(obj);
484 if (obj->madv == I915_MADV_DONTNEED) {
485 purgeable_size += obj->base.size;
489 seq_printf(m, "%u purgeable objects, %llu bytes\n",
490 purgeable_count, purgeable_size);
491 seq_printf(m, "%u pinned mappable objects, %llu bytes\n",
492 mappable_count, mappable_size);
493 seq_printf(m, "%u fault mappable objects, %llu bytes\n",
496 seq_printf(m, "%llu [%llu] gtt total\n",
497 dev_priv->gtt.base.total,
498 (u64)dev_priv->gtt.mappable_end - dev_priv->gtt.base.start);
501 print_batch_pool_stats(m, dev_priv);
502 list_for_each_entry_reverse(file, &dev->filelist, lhead) {
503 struct file_stats stats;
504 struct task_struct *task;
506 memset(&stats, 0, sizeof(stats));
507 stats.file_priv = file->driver_priv;
508 spin_lock(&file->table_lock);
509 idr_for_each(&file->object_idr, per_file_stats, &stats);
510 spin_unlock(&file->table_lock);
512 * Although we have a valid reference on file->pid, that does
513 * not guarantee that the task_struct who called get_pid() is
514 * still alive (e.g. get_pid(current) => fork() => exit()).
515 * Therefore, we need to protect this ->comm access using RCU.
518 task = pid_task(file->pid, PIDTYPE_PID);
519 print_file_stats(m, task ? task->comm : "<unknown>", stats);
523 mutex_unlock(&dev->struct_mutex);
528 static int i915_gem_gtt_info(struct seq_file *m, void *data)
530 struct drm_info_node *node = m->private;
531 struct drm_device *dev = node->minor->dev;
532 uintptr_t list = (uintptr_t) node->info_ent->data;
533 struct drm_i915_private *dev_priv = dev->dev_private;
534 struct drm_i915_gem_object *obj;
535 u64 total_obj_size, total_gtt_size;
538 ret = mutex_lock_interruptible(&dev->struct_mutex);
542 total_obj_size = total_gtt_size = count = 0;
543 list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
544 if (list == PINNED_LIST && !i915_gem_obj_is_pinned(obj))
548 describe_obj(m, obj);
550 total_obj_size += obj->base.size;
551 total_gtt_size += i915_gem_obj_total_ggtt_size(obj);
555 mutex_unlock(&dev->struct_mutex);
557 seq_printf(m, "Total %d objects, %llu bytes, %llu GTT size\n",
558 count, total_obj_size, total_gtt_size);
563 static int i915_gem_pageflip_info(struct seq_file *m, void *data)
565 struct drm_info_node *node = m->private;
566 struct drm_device *dev = node->minor->dev;
567 struct drm_i915_private *dev_priv = dev->dev_private;
568 struct intel_crtc *crtc;
571 ret = mutex_lock_interruptible(&dev->struct_mutex);
575 for_each_intel_crtc(dev, crtc) {
576 const char pipe = pipe_name(crtc->pipe);
577 const char plane = plane_name(crtc->plane);
578 struct intel_unpin_work *work;
580 spin_lock_irq(&dev->event_lock);
581 work = crtc->unpin_work;
583 seq_printf(m, "No flip due on pipe %c (plane %c)\n",
588 if (atomic_read(&work->pending) < INTEL_FLIP_COMPLETE) {
589 seq_printf(m, "Flip queued on pipe %c (plane %c)\n",
592 seq_printf(m, "Flip pending (waiting for vsync) on pipe %c (plane %c)\n",
595 if (work->flip_queued_req) {
596 struct intel_engine_cs *ring =
597 i915_gem_request_get_ring(work->flip_queued_req);
599 seq_printf(m, "Flip queued on %s at seqno %x, next seqno %x [current breadcrumb %x], completed? %d\n",
601 i915_gem_request_get_seqno(work->flip_queued_req),
602 dev_priv->next_seqno,
603 ring->get_seqno(ring, true),
604 i915_gem_request_completed(work->flip_queued_req, true));
606 seq_printf(m, "Flip not associated with any ring\n");
607 seq_printf(m, "Flip queued on frame %d, (was ready on frame %d), now %d\n",
608 work->flip_queued_vblank,
609 work->flip_ready_vblank,
610 drm_crtc_vblank_count(&crtc->base));
611 if (work->enable_stall_check)
612 seq_puts(m, "Stall check enabled, ");
614 seq_puts(m, "Stall check waiting for page flip ioctl, ");
615 seq_printf(m, "%d prepares\n", atomic_read(&work->pending));
617 if (INTEL_INFO(dev)->gen >= 4)
618 addr = I915_HI_DISPBASE(I915_READ(DSPSURF(crtc->plane)));
620 addr = I915_READ(DSPADDR(crtc->plane));
621 seq_printf(m, "Current scanout address 0x%08x\n", addr);
623 if (work->pending_flip_obj) {
624 seq_printf(m, "New framebuffer address 0x%08lx\n", (long)work->gtt_offset);
625 seq_printf(m, "MMIO update completed? %d\n", addr == work->gtt_offset);
628 spin_unlock_irq(&dev->event_lock);
631 mutex_unlock(&dev->struct_mutex);
636 static int i915_gem_batch_pool_info(struct seq_file *m, void *data)
638 struct drm_info_node *node = m->private;
639 struct drm_device *dev = node->minor->dev;
640 struct drm_i915_private *dev_priv = dev->dev_private;
641 struct drm_i915_gem_object *obj;
642 struct intel_engine_cs *ring;
646 ret = mutex_lock_interruptible(&dev->struct_mutex);
650 for_each_ring(ring, dev_priv, i) {
651 for (j = 0; j < ARRAY_SIZE(ring->batch_pool.cache_list); j++) {
655 list_for_each_entry(obj,
656 &ring->batch_pool.cache_list[j],
659 seq_printf(m, "%s cache[%d]: %d objects\n",
660 ring->name, j, count);
662 list_for_each_entry(obj,
663 &ring->batch_pool.cache_list[j],
666 describe_obj(m, obj);
674 seq_printf(m, "total: %d\n", total);
676 mutex_unlock(&dev->struct_mutex);
681 static int i915_gem_request_info(struct seq_file *m, void *data)
683 struct drm_info_node *node = m->private;
684 struct drm_device *dev = node->minor->dev;
685 struct drm_i915_private *dev_priv = dev->dev_private;
686 struct intel_engine_cs *ring;
687 struct drm_i915_gem_request *req;
690 ret = mutex_lock_interruptible(&dev->struct_mutex);
695 for_each_ring(ring, dev_priv, i) {
699 list_for_each_entry(req, &ring->request_list, list)
704 seq_printf(m, "%s requests: %d\n", ring->name, count);
705 list_for_each_entry(req, &ring->request_list, list) {
706 struct task_struct *task;
711 task = pid_task(req->pid, PIDTYPE_PID);
712 seq_printf(m, " %x @ %d: %s [%d]\n",
714 (int) (jiffies - req->emitted_jiffies),
715 task ? task->comm : "<unknown>",
716 task ? task->pid : -1);
722 mutex_unlock(&dev->struct_mutex);
725 seq_puts(m, "No requests\n");
730 static void i915_ring_seqno_info(struct seq_file *m,
731 struct intel_engine_cs *ring)
733 if (ring->get_seqno) {
734 seq_printf(m, "Current sequence (%s): %x\n",
735 ring->name, ring->get_seqno(ring, false));
739 static int i915_gem_seqno_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 *ring;
747 ret = mutex_lock_interruptible(&dev->struct_mutex);
750 intel_runtime_pm_get(dev_priv);
752 for_each_ring(ring, dev_priv, i)
753 i915_ring_seqno_info(m, ring);
755 intel_runtime_pm_put(dev_priv);
756 mutex_unlock(&dev->struct_mutex);
762 static int i915_interrupt_info(struct seq_file *m, void *data)
764 struct drm_info_node *node = m->private;
765 struct drm_device *dev = node->minor->dev;
766 struct drm_i915_private *dev_priv = dev->dev_private;
767 struct intel_engine_cs *ring;
770 ret = mutex_lock_interruptible(&dev->struct_mutex);
773 intel_runtime_pm_get(dev_priv);
775 if (IS_CHERRYVIEW(dev)) {
776 seq_printf(m, "Master Interrupt Control:\t%08x\n",
777 I915_READ(GEN8_MASTER_IRQ));
779 seq_printf(m, "Display IER:\t%08x\n",
781 seq_printf(m, "Display IIR:\t%08x\n",
783 seq_printf(m, "Display IIR_RW:\t%08x\n",
784 I915_READ(VLV_IIR_RW));
785 seq_printf(m, "Display IMR:\t%08x\n",
787 for_each_pipe(dev_priv, pipe)
788 seq_printf(m, "Pipe %c stat:\t%08x\n",
790 I915_READ(PIPESTAT(pipe)));
792 seq_printf(m, "Port hotplug:\t%08x\n",
793 I915_READ(PORT_HOTPLUG_EN));
794 seq_printf(m, "DPFLIPSTAT:\t%08x\n",
795 I915_READ(VLV_DPFLIPSTAT));
796 seq_printf(m, "DPINVGTT:\t%08x\n",
797 I915_READ(DPINVGTT));
799 for (i = 0; i < 4; i++) {
800 seq_printf(m, "GT Interrupt IMR %d:\t%08x\n",
801 i, I915_READ(GEN8_GT_IMR(i)));
802 seq_printf(m, "GT Interrupt IIR %d:\t%08x\n",
803 i, I915_READ(GEN8_GT_IIR(i)));
804 seq_printf(m, "GT Interrupt IER %d:\t%08x\n",
805 i, I915_READ(GEN8_GT_IER(i)));
808 seq_printf(m, "PCU interrupt mask:\t%08x\n",
809 I915_READ(GEN8_PCU_IMR));
810 seq_printf(m, "PCU interrupt identity:\t%08x\n",
811 I915_READ(GEN8_PCU_IIR));
812 seq_printf(m, "PCU interrupt enable:\t%08x\n",
813 I915_READ(GEN8_PCU_IER));
814 } else if (INTEL_INFO(dev)->gen >= 8) {
815 seq_printf(m, "Master Interrupt Control:\t%08x\n",
816 I915_READ(GEN8_MASTER_IRQ));
818 for (i = 0; i < 4; i++) {
819 seq_printf(m, "GT Interrupt IMR %d:\t%08x\n",
820 i, I915_READ(GEN8_GT_IMR(i)));
821 seq_printf(m, "GT Interrupt IIR %d:\t%08x\n",
822 i, I915_READ(GEN8_GT_IIR(i)));
823 seq_printf(m, "GT Interrupt IER %d:\t%08x\n",
824 i, I915_READ(GEN8_GT_IER(i)));
827 for_each_pipe(dev_priv, pipe) {
828 if (!intel_display_power_is_enabled(dev_priv,
829 POWER_DOMAIN_PIPE(pipe))) {
830 seq_printf(m, "Pipe %c power disabled\n",
834 seq_printf(m, "Pipe %c IMR:\t%08x\n",
836 I915_READ(GEN8_DE_PIPE_IMR(pipe)));
837 seq_printf(m, "Pipe %c IIR:\t%08x\n",
839 I915_READ(GEN8_DE_PIPE_IIR(pipe)));
840 seq_printf(m, "Pipe %c IER:\t%08x\n",
842 I915_READ(GEN8_DE_PIPE_IER(pipe)));
845 seq_printf(m, "Display Engine port interrupt mask:\t%08x\n",
846 I915_READ(GEN8_DE_PORT_IMR));
847 seq_printf(m, "Display Engine port interrupt identity:\t%08x\n",
848 I915_READ(GEN8_DE_PORT_IIR));
849 seq_printf(m, "Display Engine port interrupt enable:\t%08x\n",
850 I915_READ(GEN8_DE_PORT_IER));
852 seq_printf(m, "Display Engine misc interrupt mask:\t%08x\n",
853 I915_READ(GEN8_DE_MISC_IMR));
854 seq_printf(m, "Display Engine misc interrupt identity:\t%08x\n",
855 I915_READ(GEN8_DE_MISC_IIR));
856 seq_printf(m, "Display Engine misc interrupt enable:\t%08x\n",
857 I915_READ(GEN8_DE_MISC_IER));
859 seq_printf(m, "PCU interrupt mask:\t%08x\n",
860 I915_READ(GEN8_PCU_IMR));
861 seq_printf(m, "PCU interrupt identity:\t%08x\n",
862 I915_READ(GEN8_PCU_IIR));
863 seq_printf(m, "PCU interrupt enable:\t%08x\n",
864 I915_READ(GEN8_PCU_IER));
865 } else if (IS_VALLEYVIEW(dev)) {
866 seq_printf(m, "Display IER:\t%08x\n",
868 seq_printf(m, "Display IIR:\t%08x\n",
870 seq_printf(m, "Display IIR_RW:\t%08x\n",
871 I915_READ(VLV_IIR_RW));
872 seq_printf(m, "Display IMR:\t%08x\n",
874 for_each_pipe(dev_priv, pipe)
875 seq_printf(m, "Pipe %c stat:\t%08x\n",
877 I915_READ(PIPESTAT(pipe)));
879 seq_printf(m, "Master IER:\t%08x\n",
880 I915_READ(VLV_MASTER_IER));
882 seq_printf(m, "Render IER:\t%08x\n",
884 seq_printf(m, "Render IIR:\t%08x\n",
886 seq_printf(m, "Render IMR:\t%08x\n",
889 seq_printf(m, "PM IER:\t\t%08x\n",
890 I915_READ(GEN6_PMIER));
891 seq_printf(m, "PM IIR:\t\t%08x\n",
892 I915_READ(GEN6_PMIIR));
893 seq_printf(m, "PM IMR:\t\t%08x\n",
894 I915_READ(GEN6_PMIMR));
896 seq_printf(m, "Port hotplug:\t%08x\n",
897 I915_READ(PORT_HOTPLUG_EN));
898 seq_printf(m, "DPFLIPSTAT:\t%08x\n",
899 I915_READ(VLV_DPFLIPSTAT));
900 seq_printf(m, "DPINVGTT:\t%08x\n",
901 I915_READ(DPINVGTT));
903 } else if (!HAS_PCH_SPLIT(dev)) {
904 seq_printf(m, "Interrupt enable: %08x\n",
906 seq_printf(m, "Interrupt identity: %08x\n",
908 seq_printf(m, "Interrupt mask: %08x\n",
910 for_each_pipe(dev_priv, pipe)
911 seq_printf(m, "Pipe %c stat: %08x\n",
913 I915_READ(PIPESTAT(pipe)));
915 seq_printf(m, "North Display Interrupt enable: %08x\n",
917 seq_printf(m, "North Display Interrupt identity: %08x\n",
919 seq_printf(m, "North Display Interrupt mask: %08x\n",
921 seq_printf(m, "South Display Interrupt enable: %08x\n",
923 seq_printf(m, "South Display Interrupt identity: %08x\n",
925 seq_printf(m, "South Display Interrupt mask: %08x\n",
927 seq_printf(m, "Graphics Interrupt enable: %08x\n",
929 seq_printf(m, "Graphics Interrupt identity: %08x\n",
931 seq_printf(m, "Graphics Interrupt mask: %08x\n",
934 for_each_ring(ring, dev_priv, i) {
935 if (INTEL_INFO(dev)->gen >= 6) {
937 "Graphics Interrupt mask (%s): %08x\n",
938 ring->name, I915_READ_IMR(ring));
940 i915_ring_seqno_info(m, ring);
942 intel_runtime_pm_put(dev_priv);
943 mutex_unlock(&dev->struct_mutex);
948 static int i915_gem_fence_regs_info(struct seq_file *m, void *data)
950 struct drm_info_node *node = m->private;
951 struct drm_device *dev = node->minor->dev;
952 struct drm_i915_private *dev_priv = dev->dev_private;
955 ret = mutex_lock_interruptible(&dev->struct_mutex);
959 seq_printf(m, "Reserved fences = %d\n", dev_priv->fence_reg_start);
960 seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs);
961 for (i = 0; i < dev_priv->num_fence_regs; i++) {
962 struct drm_i915_gem_object *obj = dev_priv->fence_regs[i].obj;
964 seq_printf(m, "Fence %d, pin count = %d, object = ",
965 i, dev_priv->fence_regs[i].pin_count);
967 seq_puts(m, "unused");
969 describe_obj(m, obj);
973 mutex_unlock(&dev->struct_mutex);
977 static int i915_hws_info(struct seq_file *m, void *data)
979 struct drm_info_node *node = m->private;
980 struct drm_device *dev = node->minor->dev;
981 struct drm_i915_private *dev_priv = dev->dev_private;
982 struct intel_engine_cs *ring;
986 ring = &dev_priv->ring[(uintptr_t)node->info_ent->data];
987 hws = ring->status_page.page_addr;
991 for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) {
992 seq_printf(m, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
994 hws[i], hws[i + 1], hws[i + 2], hws[i + 3]);
1000 i915_error_state_write(struct file *filp,
1001 const char __user *ubuf,
1005 struct i915_error_state_file_priv *error_priv = filp->private_data;
1006 struct drm_device *dev = error_priv->dev;
1009 DRM_DEBUG_DRIVER("Resetting error state\n");
1011 ret = mutex_lock_interruptible(&dev->struct_mutex);
1015 i915_destroy_error_state(dev);
1016 mutex_unlock(&dev->struct_mutex);
1021 static int i915_error_state_open(struct inode *inode, struct file *file)
1023 struct drm_device *dev = inode->i_private;
1024 struct i915_error_state_file_priv *error_priv;
1026 error_priv = kzalloc(sizeof(*error_priv), GFP_KERNEL);
1030 error_priv->dev = dev;
1032 i915_error_state_get(dev, error_priv);
1034 file->private_data = error_priv;
1039 static int i915_error_state_release(struct inode *inode, struct file *file)
1041 struct i915_error_state_file_priv *error_priv = file->private_data;
1043 i915_error_state_put(error_priv);
1049 static ssize_t i915_error_state_read(struct file *file, char __user *userbuf,
1050 size_t count, loff_t *pos)
1052 struct i915_error_state_file_priv *error_priv = file->private_data;
1053 struct drm_i915_error_state_buf error_str;
1055 ssize_t ret_count = 0;
1058 ret = i915_error_state_buf_init(&error_str, to_i915(error_priv->dev), count, *pos);
1062 ret = i915_error_state_to_str(&error_str, error_priv);
1066 ret_count = simple_read_from_buffer(userbuf, count, &tmp_pos,
1073 *pos = error_str.start + ret_count;
1075 i915_error_state_buf_release(&error_str);
1076 return ret ?: ret_count;
1079 static const struct file_operations i915_error_state_fops = {
1080 .owner = THIS_MODULE,
1081 .open = i915_error_state_open,
1082 .read = i915_error_state_read,
1083 .write = i915_error_state_write,
1084 .llseek = default_llseek,
1085 .release = i915_error_state_release,
1089 i915_next_seqno_get(void *data, u64 *val)
1091 struct drm_device *dev = data;
1092 struct drm_i915_private *dev_priv = dev->dev_private;
1095 ret = mutex_lock_interruptible(&dev->struct_mutex);
1099 *val = dev_priv->next_seqno;
1100 mutex_unlock(&dev->struct_mutex);
1106 i915_next_seqno_set(void *data, u64 val)
1108 struct drm_device *dev = data;
1111 ret = mutex_lock_interruptible(&dev->struct_mutex);
1115 ret = i915_gem_set_seqno(dev, val);
1116 mutex_unlock(&dev->struct_mutex);
1121 DEFINE_SIMPLE_ATTRIBUTE(i915_next_seqno_fops,
1122 i915_next_seqno_get, i915_next_seqno_set,
1125 static int i915_frequency_info(struct seq_file *m, void *unused)
1127 struct drm_info_node *node = m->private;
1128 struct drm_device *dev = node->minor->dev;
1129 struct drm_i915_private *dev_priv = dev->dev_private;
1132 intel_runtime_pm_get(dev_priv);
1134 flush_delayed_work(&dev_priv->rps.delayed_resume_work);
1137 u16 rgvswctl = I915_READ16(MEMSWCTL);
1138 u16 rgvstat = I915_READ16(MEMSTAT_ILK);
1140 seq_printf(m, "Requested P-state: %d\n", (rgvswctl >> 8) & 0xf);
1141 seq_printf(m, "Requested VID: %d\n", rgvswctl & 0x3f);
1142 seq_printf(m, "Current VID: %d\n", (rgvstat & MEMSTAT_VID_MASK) >>
1144 seq_printf(m, "Current P-state: %d\n",
1145 (rgvstat & MEMSTAT_PSTATE_MASK) >> MEMSTAT_PSTATE_SHIFT);
1146 } else if (IS_GEN6(dev) || (IS_GEN7(dev) && !IS_VALLEYVIEW(dev)) ||
1147 IS_BROADWELL(dev) || IS_GEN9(dev)) {
1148 u32 rp_state_limits;
1151 u32 rpmodectl, rpinclimit, rpdeclimit;
1152 u32 rpstat, cagf, reqf;
1153 u32 rpupei, rpcurup, rpprevup;
1154 u32 rpdownei, rpcurdown, rpprevdown;
1155 u32 pm_ier, pm_imr, pm_isr, pm_iir, pm_mask;
1158 rp_state_limits = I915_READ(GEN6_RP_STATE_LIMITS);
1159 if (IS_BROXTON(dev)) {
1160 rp_state_cap = I915_READ(BXT_RP_STATE_CAP);
1161 gt_perf_status = I915_READ(BXT_GT_PERF_STATUS);
1163 rp_state_cap = I915_READ(GEN6_RP_STATE_CAP);
1164 gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS);
1167 /* RPSTAT1 is in the GT power well */
1168 ret = mutex_lock_interruptible(&dev->struct_mutex);
1172 intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
1174 reqf = I915_READ(GEN6_RPNSWREQ);
1178 reqf &= ~GEN6_TURBO_DISABLE;
1179 if (IS_HASWELL(dev) || IS_BROADWELL(dev))
1184 reqf = intel_gpu_freq(dev_priv, reqf);
1186 rpmodectl = I915_READ(GEN6_RP_CONTROL);
1187 rpinclimit = I915_READ(GEN6_RP_UP_THRESHOLD);
1188 rpdeclimit = I915_READ(GEN6_RP_DOWN_THRESHOLD);
1190 rpstat = I915_READ(GEN6_RPSTAT1);
1191 rpupei = I915_READ(GEN6_RP_CUR_UP_EI);
1192 rpcurup = I915_READ(GEN6_RP_CUR_UP);
1193 rpprevup = I915_READ(GEN6_RP_PREV_UP);
1194 rpdownei = I915_READ(GEN6_RP_CUR_DOWN_EI);
1195 rpcurdown = I915_READ(GEN6_RP_CUR_DOWN);
1196 rpprevdown = I915_READ(GEN6_RP_PREV_DOWN);
1198 cagf = (rpstat & GEN9_CAGF_MASK) >> GEN9_CAGF_SHIFT;
1199 else if (IS_HASWELL(dev) || IS_BROADWELL(dev))
1200 cagf = (rpstat & HSW_CAGF_MASK) >> HSW_CAGF_SHIFT;
1202 cagf = (rpstat & GEN6_CAGF_MASK) >> GEN6_CAGF_SHIFT;
1203 cagf = intel_gpu_freq(dev_priv, cagf);
1205 intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
1206 mutex_unlock(&dev->struct_mutex);
1208 if (IS_GEN6(dev) || IS_GEN7(dev)) {
1209 pm_ier = I915_READ(GEN6_PMIER);
1210 pm_imr = I915_READ(GEN6_PMIMR);
1211 pm_isr = I915_READ(GEN6_PMISR);
1212 pm_iir = I915_READ(GEN6_PMIIR);
1213 pm_mask = I915_READ(GEN6_PMINTRMSK);
1215 pm_ier = I915_READ(GEN8_GT_IER(2));
1216 pm_imr = I915_READ(GEN8_GT_IMR(2));
1217 pm_isr = I915_READ(GEN8_GT_ISR(2));
1218 pm_iir = I915_READ(GEN8_GT_IIR(2));
1219 pm_mask = I915_READ(GEN6_PMINTRMSK);
1221 seq_printf(m, "PM IER=0x%08x IMR=0x%08x ISR=0x%08x IIR=0x%08x, MASK=0x%08x\n",
1222 pm_ier, pm_imr, pm_isr, pm_iir, pm_mask);
1223 seq_printf(m, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status);
1224 seq_printf(m, "Render p-state ratio: %d\n",
1225 (gt_perf_status & (IS_GEN9(dev) ? 0x1ff00 : 0xff00)) >> 8);
1226 seq_printf(m, "Render p-state VID: %d\n",
1227 gt_perf_status & 0xff);
1228 seq_printf(m, "Render p-state limit: %d\n",
1229 rp_state_limits & 0xff);
1230 seq_printf(m, "RPSTAT1: 0x%08x\n", rpstat);
1231 seq_printf(m, "RPMODECTL: 0x%08x\n", rpmodectl);
1232 seq_printf(m, "RPINCLIMIT: 0x%08x\n", rpinclimit);
1233 seq_printf(m, "RPDECLIMIT: 0x%08x\n", rpdeclimit);
1234 seq_printf(m, "RPNSWREQ: %dMHz\n", reqf);
1235 seq_printf(m, "CAGF: %dMHz\n", cagf);
1236 seq_printf(m, "RP CUR UP EI: %dus\n", rpupei &
1237 GEN6_CURICONT_MASK);
1238 seq_printf(m, "RP CUR UP: %dus\n", rpcurup &
1239 GEN6_CURBSYTAVG_MASK);
1240 seq_printf(m, "RP PREV UP: %dus\n", rpprevup &
1241 GEN6_CURBSYTAVG_MASK);
1242 seq_printf(m, "Up threshold: %d%%\n",
1243 dev_priv->rps.up_threshold);
1245 seq_printf(m, "RP CUR DOWN EI: %dus\n", rpdownei &
1247 seq_printf(m, "RP CUR DOWN: %dus\n", rpcurdown &
1248 GEN6_CURBSYTAVG_MASK);
1249 seq_printf(m, "RP PREV DOWN: %dus\n", rpprevdown &
1250 GEN6_CURBSYTAVG_MASK);
1251 seq_printf(m, "Down threshold: %d%%\n",
1252 dev_priv->rps.down_threshold);
1254 max_freq = (IS_BROXTON(dev) ? rp_state_cap >> 0 :
1255 rp_state_cap >> 16) & 0xff;
1256 max_freq *= (IS_SKYLAKE(dev) || IS_KABYLAKE(dev) ?
1257 GEN9_FREQ_SCALER : 1);
1258 seq_printf(m, "Lowest (RPN) frequency: %dMHz\n",
1259 intel_gpu_freq(dev_priv, max_freq));
1261 max_freq = (rp_state_cap & 0xff00) >> 8;
1262 max_freq *= (IS_SKYLAKE(dev) || IS_KABYLAKE(dev) ?
1263 GEN9_FREQ_SCALER : 1);
1264 seq_printf(m, "Nominal (RP1) frequency: %dMHz\n",
1265 intel_gpu_freq(dev_priv, max_freq));
1267 max_freq = (IS_BROXTON(dev) ? rp_state_cap >> 16 :
1268 rp_state_cap >> 0) & 0xff;
1269 max_freq *= (IS_SKYLAKE(dev) || IS_KABYLAKE(dev) ?
1270 GEN9_FREQ_SCALER : 1);
1271 seq_printf(m, "Max non-overclocked (RP0) frequency: %dMHz\n",
1272 intel_gpu_freq(dev_priv, max_freq));
1273 seq_printf(m, "Max overclocked frequency: %dMHz\n",
1274 intel_gpu_freq(dev_priv, dev_priv->rps.max_freq));
1276 seq_printf(m, "Current freq: %d MHz\n",
1277 intel_gpu_freq(dev_priv, dev_priv->rps.cur_freq));
1278 seq_printf(m, "Actual freq: %d MHz\n", cagf);
1279 seq_printf(m, "Idle freq: %d MHz\n",
1280 intel_gpu_freq(dev_priv, dev_priv->rps.idle_freq));
1281 seq_printf(m, "Min freq: %d MHz\n",
1282 intel_gpu_freq(dev_priv, dev_priv->rps.min_freq));
1283 seq_printf(m, "Max freq: %d MHz\n",
1284 intel_gpu_freq(dev_priv, dev_priv->rps.max_freq));
1286 "efficient (RPe) frequency: %d MHz\n",
1287 intel_gpu_freq(dev_priv, dev_priv->rps.efficient_freq));
1288 } else if (IS_VALLEYVIEW(dev)) {
1291 mutex_lock(&dev_priv->rps.hw_lock);
1292 freq_sts = vlv_punit_read(dev_priv, PUNIT_REG_GPU_FREQ_STS);
1293 seq_printf(m, "PUNIT_REG_GPU_FREQ_STS: 0x%08x\n", freq_sts);
1294 seq_printf(m, "DDR freq: %d MHz\n", dev_priv->mem_freq);
1296 seq_printf(m, "actual GPU freq: %d MHz\n",
1297 intel_gpu_freq(dev_priv, (freq_sts >> 8) & 0xff));
1299 seq_printf(m, "current GPU freq: %d MHz\n",
1300 intel_gpu_freq(dev_priv, dev_priv->rps.cur_freq));
1302 seq_printf(m, "max GPU freq: %d MHz\n",
1303 intel_gpu_freq(dev_priv, dev_priv->rps.max_freq));
1305 seq_printf(m, "min GPU freq: %d MHz\n",
1306 intel_gpu_freq(dev_priv, dev_priv->rps.min_freq));
1308 seq_printf(m, "idle GPU freq: %d MHz\n",
1309 intel_gpu_freq(dev_priv, dev_priv->rps.idle_freq));
1312 "efficient (RPe) frequency: %d MHz\n",
1313 intel_gpu_freq(dev_priv, dev_priv->rps.efficient_freq));
1314 mutex_unlock(&dev_priv->rps.hw_lock);
1316 seq_puts(m, "no P-state info available\n");
1319 seq_printf(m, "Current CD clock frequency: %d kHz\n", dev_priv->cdclk_freq);
1320 seq_printf(m, "Max CD clock frequency: %d kHz\n", dev_priv->max_cdclk_freq);
1321 seq_printf(m, "Max pixel clock frequency: %d kHz\n", dev_priv->max_dotclk_freq);
1324 intel_runtime_pm_put(dev_priv);
1328 static int i915_hangcheck_info(struct seq_file *m, void *unused)
1330 struct drm_info_node *node = m->private;
1331 struct drm_device *dev = node->minor->dev;
1332 struct drm_i915_private *dev_priv = dev->dev_private;
1333 struct intel_engine_cs *ring;
1334 u64 acthd[I915_NUM_RINGS];
1335 u32 seqno[I915_NUM_RINGS];
1338 if (!i915.enable_hangcheck) {
1339 seq_printf(m, "Hangcheck disabled\n");
1343 intel_runtime_pm_get(dev_priv);
1345 for_each_ring(ring, dev_priv, i) {
1346 seqno[i] = ring->get_seqno(ring, false);
1347 acthd[i] = intel_ring_get_active_head(ring);
1350 intel_runtime_pm_put(dev_priv);
1352 if (delayed_work_pending(&dev_priv->gpu_error.hangcheck_work)) {
1353 seq_printf(m, "Hangcheck active, fires in %dms\n",
1354 jiffies_to_msecs(dev_priv->gpu_error.hangcheck_work.timer.expires -
1357 seq_printf(m, "Hangcheck inactive\n");
1359 for_each_ring(ring, dev_priv, i) {
1360 seq_printf(m, "%s:\n", ring->name);
1361 seq_printf(m, "\tseqno = %x [current %x]\n",
1362 ring->hangcheck.seqno, seqno[i]);
1363 seq_printf(m, "\tACTHD = 0x%08llx [current 0x%08llx]\n",
1364 (long long)ring->hangcheck.acthd,
1365 (long long)acthd[i]);
1366 seq_printf(m, "\tmax ACTHD = 0x%08llx\n",
1367 (long long)ring->hangcheck.max_acthd);
1368 seq_printf(m, "\tscore = %d\n", ring->hangcheck.score);
1369 seq_printf(m, "\taction = %d\n", ring->hangcheck.action);
1375 static int ironlake_drpc_info(struct seq_file *m)
1377 struct drm_info_node *node = m->private;
1378 struct drm_device *dev = node->minor->dev;
1379 struct drm_i915_private *dev_priv = dev->dev_private;
1380 u32 rgvmodectl, rstdbyctl;
1384 ret = mutex_lock_interruptible(&dev->struct_mutex);
1387 intel_runtime_pm_get(dev_priv);
1389 rgvmodectl = I915_READ(MEMMODECTL);
1390 rstdbyctl = I915_READ(RSTDBYCTL);
1391 crstandvid = I915_READ16(CRSTANDVID);
1393 intel_runtime_pm_put(dev_priv);
1394 mutex_unlock(&dev->struct_mutex);
1396 seq_printf(m, "HD boost: %s\n", yesno(rgvmodectl & MEMMODE_BOOST_EN));
1397 seq_printf(m, "Boost freq: %d\n",
1398 (rgvmodectl & MEMMODE_BOOST_FREQ_MASK) >>
1399 MEMMODE_BOOST_FREQ_SHIFT);
1400 seq_printf(m, "HW control enabled: %s\n",
1401 yesno(rgvmodectl & MEMMODE_HWIDLE_EN));
1402 seq_printf(m, "SW control enabled: %s\n",
1403 yesno(rgvmodectl & MEMMODE_SWMODE_EN));
1404 seq_printf(m, "Gated voltage change: %s\n",
1405 yesno(rgvmodectl & MEMMODE_RCLK_GATE));
1406 seq_printf(m, "Starting frequency: P%d\n",
1407 (rgvmodectl & MEMMODE_FSTART_MASK) >> MEMMODE_FSTART_SHIFT);
1408 seq_printf(m, "Max P-state: P%d\n",
1409 (rgvmodectl & MEMMODE_FMAX_MASK) >> MEMMODE_FMAX_SHIFT);
1410 seq_printf(m, "Min P-state: P%d\n", (rgvmodectl & MEMMODE_FMIN_MASK));
1411 seq_printf(m, "RS1 VID: %d\n", (crstandvid & 0x3f));
1412 seq_printf(m, "RS2 VID: %d\n", ((crstandvid >> 8) & 0x3f));
1413 seq_printf(m, "Render standby enabled: %s\n",
1414 yesno(!(rstdbyctl & RCX_SW_EXIT)));
1415 seq_puts(m, "Current RS state: ");
1416 switch (rstdbyctl & RSX_STATUS_MASK) {
1418 seq_puts(m, "on\n");
1420 case RSX_STATUS_RC1:
1421 seq_puts(m, "RC1\n");
1423 case RSX_STATUS_RC1E:
1424 seq_puts(m, "RC1E\n");
1426 case RSX_STATUS_RS1:
1427 seq_puts(m, "RS1\n");
1429 case RSX_STATUS_RS2:
1430 seq_puts(m, "RS2 (RC6)\n");
1432 case RSX_STATUS_RS3:
1433 seq_puts(m, "RC3 (RC6+)\n");
1436 seq_puts(m, "unknown\n");
1443 static int i915_forcewake_domains(struct seq_file *m, void *data)
1445 struct drm_info_node *node = m->private;
1446 struct drm_device *dev = node->minor->dev;
1447 struct drm_i915_private *dev_priv = dev->dev_private;
1448 struct intel_uncore_forcewake_domain *fw_domain;
1451 spin_lock_irq(&dev_priv->uncore.lock);
1452 for_each_fw_domain(fw_domain, dev_priv, i) {
1453 seq_printf(m, "%s.wake_count = %u\n",
1454 intel_uncore_forcewake_domain_to_str(i),
1455 fw_domain->wake_count);
1457 spin_unlock_irq(&dev_priv->uncore.lock);
1462 static int vlv_drpc_info(struct seq_file *m)
1464 struct drm_info_node *node = m->private;
1465 struct drm_device *dev = node->minor->dev;
1466 struct drm_i915_private *dev_priv = dev->dev_private;
1467 u32 rpmodectl1, rcctl1, pw_status;
1469 intel_runtime_pm_get(dev_priv);
1471 pw_status = I915_READ(VLV_GTLC_PW_STATUS);
1472 rpmodectl1 = I915_READ(GEN6_RP_CONTROL);
1473 rcctl1 = I915_READ(GEN6_RC_CONTROL);
1475 intel_runtime_pm_put(dev_priv);
1477 seq_printf(m, "Video Turbo Mode: %s\n",
1478 yesno(rpmodectl1 & GEN6_RP_MEDIA_TURBO));
1479 seq_printf(m, "Turbo enabled: %s\n",
1480 yesno(rpmodectl1 & GEN6_RP_ENABLE));
1481 seq_printf(m, "HW control enabled: %s\n",
1482 yesno(rpmodectl1 & GEN6_RP_ENABLE));
1483 seq_printf(m, "SW control enabled: %s\n",
1484 yesno((rpmodectl1 & GEN6_RP_MEDIA_MODE_MASK) ==
1485 GEN6_RP_MEDIA_SW_MODE));
1486 seq_printf(m, "RC6 Enabled: %s\n",
1487 yesno(rcctl1 & (GEN7_RC_CTL_TO_MODE |
1488 GEN6_RC_CTL_EI_MODE(1))));
1489 seq_printf(m, "Render Power Well: %s\n",
1490 (pw_status & VLV_GTLC_PW_RENDER_STATUS_MASK) ? "Up" : "Down");
1491 seq_printf(m, "Media Power Well: %s\n",
1492 (pw_status & VLV_GTLC_PW_MEDIA_STATUS_MASK) ? "Up" : "Down");
1494 seq_printf(m, "Render RC6 residency since boot: %u\n",
1495 I915_READ(VLV_GT_RENDER_RC6));
1496 seq_printf(m, "Media RC6 residency since boot: %u\n",
1497 I915_READ(VLV_GT_MEDIA_RC6));
1499 return i915_forcewake_domains(m, NULL);
1502 static int gen6_drpc_info(struct seq_file *m)
1504 struct drm_info_node *node = m->private;
1505 struct drm_device *dev = node->minor->dev;
1506 struct drm_i915_private *dev_priv = dev->dev_private;
1507 u32 rpmodectl1, gt_core_status, rcctl1, rc6vids = 0;
1508 unsigned forcewake_count;
1511 ret = mutex_lock_interruptible(&dev->struct_mutex);
1514 intel_runtime_pm_get(dev_priv);
1516 spin_lock_irq(&dev_priv->uncore.lock);
1517 forcewake_count = dev_priv->uncore.fw_domain[FW_DOMAIN_ID_RENDER].wake_count;
1518 spin_unlock_irq(&dev_priv->uncore.lock);
1520 if (forcewake_count) {
1521 seq_puts(m, "RC information inaccurate because somebody "
1522 "holds a forcewake reference \n");
1524 /* NB: we cannot use forcewake, else we read the wrong values */
1525 while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_ACK) & 1))
1527 seq_printf(m, "RC information accurate: %s\n", yesno(count < 51));
1530 gt_core_status = I915_READ_FW(GEN6_GT_CORE_STATUS);
1531 trace_i915_reg_rw(false, GEN6_GT_CORE_STATUS, gt_core_status, 4, true);
1533 rpmodectl1 = I915_READ(GEN6_RP_CONTROL);
1534 rcctl1 = I915_READ(GEN6_RC_CONTROL);
1535 mutex_unlock(&dev->struct_mutex);
1536 mutex_lock(&dev_priv->rps.hw_lock);
1537 sandybridge_pcode_read(dev_priv, GEN6_PCODE_READ_RC6VIDS, &rc6vids);
1538 mutex_unlock(&dev_priv->rps.hw_lock);
1540 intel_runtime_pm_put(dev_priv);
1542 seq_printf(m, "Video Turbo Mode: %s\n",
1543 yesno(rpmodectl1 & GEN6_RP_MEDIA_TURBO));
1544 seq_printf(m, "HW control enabled: %s\n",
1545 yesno(rpmodectl1 & GEN6_RP_ENABLE));
1546 seq_printf(m, "SW control enabled: %s\n",
1547 yesno((rpmodectl1 & GEN6_RP_MEDIA_MODE_MASK) ==
1548 GEN6_RP_MEDIA_SW_MODE));
1549 seq_printf(m, "RC1e Enabled: %s\n",
1550 yesno(rcctl1 & GEN6_RC_CTL_RC1e_ENABLE));
1551 seq_printf(m, "RC6 Enabled: %s\n",
1552 yesno(rcctl1 & GEN6_RC_CTL_RC6_ENABLE));
1553 seq_printf(m, "Deep RC6 Enabled: %s\n",
1554 yesno(rcctl1 & GEN6_RC_CTL_RC6p_ENABLE));
1555 seq_printf(m, "Deepest RC6 Enabled: %s\n",
1556 yesno(rcctl1 & GEN6_RC_CTL_RC6pp_ENABLE));
1557 seq_puts(m, "Current RC state: ");
1558 switch (gt_core_status & GEN6_RCn_MASK) {
1560 if (gt_core_status & GEN6_CORE_CPD_STATE_MASK)
1561 seq_puts(m, "Core Power Down\n");
1563 seq_puts(m, "on\n");
1566 seq_puts(m, "RC3\n");
1569 seq_puts(m, "RC6\n");
1572 seq_puts(m, "RC7\n");
1575 seq_puts(m, "Unknown\n");
1579 seq_printf(m, "Core Power Down: %s\n",
1580 yesno(gt_core_status & GEN6_CORE_CPD_STATE_MASK));
1582 /* Not exactly sure what this is */
1583 seq_printf(m, "RC6 \"Locked to RPn\" residency since boot: %u\n",
1584 I915_READ(GEN6_GT_GFX_RC6_LOCKED));
1585 seq_printf(m, "RC6 residency since boot: %u\n",
1586 I915_READ(GEN6_GT_GFX_RC6));
1587 seq_printf(m, "RC6+ residency since boot: %u\n",
1588 I915_READ(GEN6_GT_GFX_RC6p));
1589 seq_printf(m, "RC6++ residency since boot: %u\n",
1590 I915_READ(GEN6_GT_GFX_RC6pp));
1592 seq_printf(m, "RC6 voltage: %dmV\n",
1593 GEN6_DECODE_RC6_VID(((rc6vids >> 0) & 0xff)));
1594 seq_printf(m, "RC6+ voltage: %dmV\n",
1595 GEN6_DECODE_RC6_VID(((rc6vids >> 8) & 0xff)));
1596 seq_printf(m, "RC6++ voltage: %dmV\n",
1597 GEN6_DECODE_RC6_VID(((rc6vids >> 16) & 0xff)));
1601 static int i915_drpc_info(struct seq_file *m, void *unused)
1603 struct drm_info_node *node = m->private;
1604 struct drm_device *dev = node->minor->dev;
1606 if (IS_VALLEYVIEW(dev))
1607 return vlv_drpc_info(m);
1608 else if (INTEL_INFO(dev)->gen >= 6)
1609 return gen6_drpc_info(m);
1611 return ironlake_drpc_info(m);
1614 static int i915_frontbuffer_tracking(struct seq_file *m, void *unused)
1616 struct drm_info_node *node = m->private;
1617 struct drm_device *dev = node->minor->dev;
1618 struct drm_i915_private *dev_priv = dev->dev_private;
1620 seq_printf(m, "FB tracking busy bits: 0x%08x\n",
1621 dev_priv->fb_tracking.busy_bits);
1623 seq_printf(m, "FB tracking flip bits: 0x%08x\n",
1624 dev_priv->fb_tracking.flip_bits);
1629 static int i915_fbc_status(struct seq_file *m, void *unused)
1631 struct drm_info_node *node = m->private;
1632 struct drm_device *dev = node->minor->dev;
1633 struct drm_i915_private *dev_priv = dev->dev_private;
1635 if (!HAS_FBC(dev)) {
1636 seq_puts(m, "FBC unsupported on this chipset\n");
1640 intel_runtime_pm_get(dev_priv);
1641 mutex_lock(&dev_priv->fbc.lock);
1643 if (intel_fbc_enabled(dev_priv))
1644 seq_puts(m, "FBC enabled\n");
1646 seq_printf(m, "FBC disabled: %s\n",
1647 dev_priv->fbc.no_fbc_reason);
1649 if (INTEL_INFO(dev_priv)->gen >= 7)
1650 seq_printf(m, "Compressing: %s\n",
1651 yesno(I915_READ(FBC_STATUS2) &
1652 FBC_COMPRESSION_MASK));
1654 mutex_unlock(&dev_priv->fbc.lock);
1655 intel_runtime_pm_put(dev_priv);
1660 static int i915_fbc_fc_get(void *data, u64 *val)
1662 struct drm_device *dev = data;
1663 struct drm_i915_private *dev_priv = dev->dev_private;
1665 if (INTEL_INFO(dev)->gen < 7 || !HAS_FBC(dev))
1668 *val = dev_priv->fbc.false_color;
1673 static int i915_fbc_fc_set(void *data, u64 val)
1675 struct drm_device *dev = data;
1676 struct drm_i915_private *dev_priv = dev->dev_private;
1679 if (INTEL_INFO(dev)->gen < 7 || !HAS_FBC(dev))
1682 mutex_lock(&dev_priv->fbc.lock);
1684 reg = I915_READ(ILK_DPFC_CONTROL);
1685 dev_priv->fbc.false_color = val;
1687 I915_WRITE(ILK_DPFC_CONTROL, val ?
1688 (reg | FBC_CTL_FALSE_COLOR) :
1689 (reg & ~FBC_CTL_FALSE_COLOR));
1691 mutex_unlock(&dev_priv->fbc.lock);
1695 DEFINE_SIMPLE_ATTRIBUTE(i915_fbc_fc_fops,
1696 i915_fbc_fc_get, i915_fbc_fc_set,
1699 static int i915_ips_status(struct seq_file *m, void *unused)
1701 struct drm_info_node *node = m->private;
1702 struct drm_device *dev = node->minor->dev;
1703 struct drm_i915_private *dev_priv = dev->dev_private;
1705 if (!HAS_IPS(dev)) {
1706 seq_puts(m, "not supported\n");
1710 intel_runtime_pm_get(dev_priv);
1712 seq_printf(m, "Enabled by kernel parameter: %s\n",
1713 yesno(i915.enable_ips));
1715 if (INTEL_INFO(dev)->gen >= 8) {
1716 seq_puts(m, "Currently: unknown\n");
1718 if (I915_READ(IPS_CTL) & IPS_ENABLE)
1719 seq_puts(m, "Currently: enabled\n");
1721 seq_puts(m, "Currently: disabled\n");
1724 intel_runtime_pm_put(dev_priv);
1729 static int i915_sr_status(struct seq_file *m, void *unused)
1731 struct drm_info_node *node = m->private;
1732 struct drm_device *dev = node->minor->dev;
1733 struct drm_i915_private *dev_priv = dev->dev_private;
1734 bool sr_enabled = false;
1736 intel_runtime_pm_get(dev_priv);
1738 if (HAS_PCH_SPLIT(dev))
1739 sr_enabled = I915_READ(WM1_LP_ILK) & WM1_LP_SR_EN;
1740 else if (IS_CRESTLINE(dev) || IS_G4X(dev) ||
1741 IS_I945G(dev) || IS_I945GM(dev))
1742 sr_enabled = I915_READ(FW_BLC_SELF) & FW_BLC_SELF_EN;
1743 else if (IS_I915GM(dev))
1744 sr_enabled = I915_READ(INSTPM) & INSTPM_SELF_EN;
1745 else if (IS_PINEVIEW(dev))
1746 sr_enabled = I915_READ(DSPFW3) & PINEVIEW_SELF_REFRESH_EN;
1747 else if (IS_VALLEYVIEW(dev))
1748 sr_enabled = I915_READ(FW_BLC_SELF_VLV) & FW_CSPWRDWNEN;
1750 intel_runtime_pm_put(dev_priv);
1752 seq_printf(m, "self-refresh: %s\n",
1753 sr_enabled ? "enabled" : "disabled");
1758 static int i915_emon_status(struct seq_file *m, void *unused)
1760 struct drm_info_node *node = m->private;
1761 struct drm_device *dev = node->minor->dev;
1762 struct drm_i915_private *dev_priv = dev->dev_private;
1763 unsigned long temp, chipset, gfx;
1769 ret = mutex_lock_interruptible(&dev->struct_mutex);
1773 temp = i915_mch_val(dev_priv);
1774 chipset = i915_chipset_val(dev_priv);
1775 gfx = i915_gfx_val(dev_priv);
1776 mutex_unlock(&dev->struct_mutex);
1778 seq_printf(m, "GMCH temp: %ld\n", temp);
1779 seq_printf(m, "Chipset power: %ld\n", chipset);
1780 seq_printf(m, "GFX power: %ld\n", gfx);
1781 seq_printf(m, "Total power: %ld\n", chipset + gfx);
1786 static int i915_ring_freq_table(struct seq_file *m, void *unused)
1788 struct drm_info_node *node = m->private;
1789 struct drm_device *dev = node->minor->dev;
1790 struct drm_i915_private *dev_priv = dev->dev_private;
1792 int gpu_freq, ia_freq;
1793 unsigned int max_gpu_freq, min_gpu_freq;
1795 if (!HAS_CORE_RING_FREQ(dev)) {
1796 seq_puts(m, "unsupported on this chipset\n");
1800 intel_runtime_pm_get(dev_priv);
1802 flush_delayed_work(&dev_priv->rps.delayed_resume_work);
1804 ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock);
1808 if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) {
1809 /* Convert GT frequency to 50 HZ units */
1811 dev_priv->rps.min_freq_softlimit / GEN9_FREQ_SCALER;
1813 dev_priv->rps.max_freq_softlimit / GEN9_FREQ_SCALER;
1815 min_gpu_freq = dev_priv->rps.min_freq_softlimit;
1816 max_gpu_freq = dev_priv->rps.max_freq_softlimit;
1819 seq_puts(m, "GPU freq (MHz)\tEffective CPU freq (MHz)\tEffective Ring freq (MHz)\n");
1821 for (gpu_freq = min_gpu_freq; gpu_freq <= max_gpu_freq; gpu_freq++) {
1823 sandybridge_pcode_read(dev_priv,
1824 GEN6_PCODE_READ_MIN_FREQ_TABLE,
1826 seq_printf(m, "%d\t\t%d\t\t\t\t%d\n",
1827 intel_gpu_freq(dev_priv, (gpu_freq *
1828 (IS_SKYLAKE(dev) || IS_KABYLAKE(dev) ?
1829 GEN9_FREQ_SCALER : 1))),
1830 ((ia_freq >> 0) & 0xff) * 100,
1831 ((ia_freq >> 8) & 0xff) * 100);
1834 mutex_unlock(&dev_priv->rps.hw_lock);
1837 intel_runtime_pm_put(dev_priv);
1841 static int i915_opregion(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 struct intel_opregion *opregion = &dev_priv->opregion;
1847 void *data = kmalloc(OPREGION_SIZE, GFP_KERNEL);
1853 ret = mutex_lock_interruptible(&dev->struct_mutex);
1857 if (opregion->header) {
1858 memcpy(data, opregion->header, OPREGION_SIZE);
1859 seq_write(m, data, OPREGION_SIZE);
1862 mutex_unlock(&dev->struct_mutex);
1869 static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
1871 struct drm_info_node *node = m->private;
1872 struct drm_device *dev = node->minor->dev;
1873 struct intel_fbdev *ifbdev = NULL;
1874 struct intel_framebuffer *fb;
1875 struct drm_framebuffer *drm_fb;
1877 #ifdef CONFIG_DRM_FBDEV_EMULATION
1878 struct drm_i915_private *dev_priv = dev->dev_private;
1880 ifbdev = dev_priv->fbdev;
1881 fb = to_intel_framebuffer(ifbdev->helper.fb);
1883 seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ",
1887 fb->base.bits_per_pixel,
1888 fb->base.modifier[0],
1889 atomic_read(&fb->base.refcount.refcount));
1890 describe_obj(m, fb->obj);
1894 mutex_lock(&dev->mode_config.fb_lock);
1895 drm_for_each_fb(drm_fb, dev) {
1896 fb = to_intel_framebuffer(drm_fb);
1897 if (ifbdev && &fb->base == ifbdev->helper.fb)
1900 seq_printf(m, "user size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ",
1904 fb->base.bits_per_pixel,
1905 fb->base.modifier[0],
1906 atomic_read(&fb->base.refcount.refcount));
1907 describe_obj(m, fb->obj);
1910 mutex_unlock(&dev->mode_config.fb_lock);
1915 static void describe_ctx_ringbuf(struct seq_file *m,
1916 struct intel_ringbuffer *ringbuf)
1918 seq_printf(m, " (ringbuffer, space: %d, head: %u, tail: %u, last head: %d)",
1919 ringbuf->space, ringbuf->head, ringbuf->tail,
1920 ringbuf->last_retired_head);
1923 static int i915_context_status(struct seq_file *m, void *unused)
1925 struct drm_info_node *node = m->private;
1926 struct drm_device *dev = node->minor->dev;
1927 struct drm_i915_private *dev_priv = dev->dev_private;
1928 struct intel_engine_cs *ring;
1929 struct intel_context *ctx;
1932 ret = mutex_lock_interruptible(&dev->struct_mutex);
1936 list_for_each_entry(ctx, &dev_priv->context_list, link) {
1937 if (!i915.enable_execlists &&
1938 ctx->legacy_hw_ctx.rcs_state == NULL)
1941 seq_puts(m, "HW context ");
1942 describe_ctx(m, ctx);
1943 for_each_ring(ring, dev_priv, i) {
1944 if (ring->default_context == ctx)
1945 seq_printf(m, "(default context %s) ",
1949 if (i915.enable_execlists) {
1951 for_each_ring(ring, dev_priv, i) {
1952 struct drm_i915_gem_object *ctx_obj =
1953 ctx->engine[i].state;
1954 struct intel_ringbuffer *ringbuf =
1955 ctx->engine[i].ringbuf;
1957 seq_printf(m, "%s: ", ring->name);
1959 describe_obj(m, ctx_obj);
1961 describe_ctx_ringbuf(m, ringbuf);
1965 describe_obj(m, ctx->legacy_hw_ctx.rcs_state);
1971 mutex_unlock(&dev->struct_mutex);
1976 static void i915_dump_lrc_obj(struct seq_file *m,
1977 struct intel_engine_cs *ring,
1978 struct drm_i915_gem_object *ctx_obj)
1981 uint32_t *reg_state;
1983 unsigned long ggtt_offset = 0;
1985 if (ctx_obj == NULL) {
1986 seq_printf(m, "Context on %s with no gem object\n",
1991 seq_printf(m, "CONTEXT: %s %u\n", ring->name,
1992 intel_execlists_ctx_id(ctx_obj));
1994 if (!i915_gem_obj_ggtt_bound(ctx_obj))
1995 seq_puts(m, "\tNot bound in GGTT\n");
1997 ggtt_offset = i915_gem_obj_ggtt_offset(ctx_obj);
1999 if (i915_gem_object_get_pages(ctx_obj)) {
2000 seq_puts(m, "\tFailed to get pages for context object\n");
2004 page = i915_gem_object_get_page(ctx_obj, LRC_STATE_PN);
2005 if (!WARN_ON(page == NULL)) {
2006 reg_state = kmap_atomic(page);
2008 for (j = 0; j < 0x600 / sizeof(u32) / 4; j += 4) {
2009 seq_printf(m, "\t[0x%08lx] 0x%08x 0x%08x 0x%08x 0x%08x\n",
2010 ggtt_offset + 4096 + (j * 4),
2011 reg_state[j], reg_state[j + 1],
2012 reg_state[j + 2], reg_state[j + 3]);
2014 kunmap_atomic(reg_state);
2020 static int i915_dump_lrc(struct seq_file *m, void *unused)
2022 struct drm_info_node *node = (struct drm_info_node *) m->private;
2023 struct drm_device *dev = node->minor->dev;
2024 struct drm_i915_private *dev_priv = dev->dev_private;
2025 struct intel_engine_cs *ring;
2026 struct intel_context *ctx;
2029 if (!i915.enable_execlists) {
2030 seq_printf(m, "Logical Ring Contexts are disabled\n");
2034 ret = mutex_lock_interruptible(&dev->struct_mutex);
2038 list_for_each_entry(ctx, &dev_priv->context_list, link) {
2039 for_each_ring(ring, dev_priv, i) {
2040 if (ring->default_context != ctx)
2041 i915_dump_lrc_obj(m, ring,
2042 ctx->engine[i].state);
2046 mutex_unlock(&dev->struct_mutex);
2051 static int i915_execlists(struct seq_file *m, void *data)
2053 struct drm_info_node *node = (struct drm_info_node *)m->private;
2054 struct drm_device *dev = node->minor->dev;
2055 struct drm_i915_private *dev_priv = dev->dev_private;
2056 struct intel_engine_cs *ring;
2062 struct list_head *cursor;
2066 if (!i915.enable_execlists) {
2067 seq_puts(m, "Logical Ring Contexts are disabled\n");
2071 ret = mutex_lock_interruptible(&dev->struct_mutex);
2075 intel_runtime_pm_get(dev_priv);
2077 for_each_ring(ring, dev_priv, ring_id) {
2078 struct drm_i915_gem_request *head_req = NULL;
2080 unsigned long flags;
2082 seq_printf(m, "%s\n", ring->name);
2084 status = I915_READ(RING_EXECLIST_STATUS_LO(ring));
2085 ctx_id = I915_READ(RING_EXECLIST_STATUS_HI(ring));
2086 seq_printf(m, "\tExeclist status: 0x%08X, context: %u\n",
2089 status_pointer = I915_READ(RING_CONTEXT_STATUS_PTR(ring));
2090 seq_printf(m, "\tStatus pointer: 0x%08X\n", status_pointer);
2092 read_pointer = ring->next_context_status_buffer;
2093 write_pointer = status_pointer & 0x07;
2094 if (read_pointer > write_pointer)
2096 seq_printf(m, "\tRead pointer: 0x%08X, write pointer 0x%08X\n",
2097 read_pointer, write_pointer);
2099 for (i = 0; i < 6; i++) {
2100 status = I915_READ(RING_CONTEXT_STATUS_BUF_LO(ring, i));
2101 ctx_id = I915_READ(RING_CONTEXT_STATUS_BUF_HI(ring, i));
2103 seq_printf(m, "\tStatus buffer %d: 0x%08X, context: %u\n",
2107 spin_lock_irqsave(&ring->execlist_lock, flags);
2108 list_for_each(cursor, &ring->execlist_queue)
2110 head_req = list_first_entry_or_null(&ring->execlist_queue,
2111 struct drm_i915_gem_request, execlist_link);
2112 spin_unlock_irqrestore(&ring->execlist_lock, flags);
2114 seq_printf(m, "\t%d requests in queue\n", count);
2116 struct drm_i915_gem_object *ctx_obj;
2118 ctx_obj = head_req->ctx->engine[ring_id].state;
2119 seq_printf(m, "\tHead request id: %u\n",
2120 intel_execlists_ctx_id(ctx_obj));
2121 seq_printf(m, "\tHead request tail: %u\n",
2128 intel_runtime_pm_put(dev_priv);
2129 mutex_unlock(&dev->struct_mutex);
2134 static const char *swizzle_string(unsigned swizzle)
2137 case I915_BIT_6_SWIZZLE_NONE:
2139 case I915_BIT_6_SWIZZLE_9:
2141 case I915_BIT_6_SWIZZLE_9_10:
2142 return "bit9/bit10";
2143 case I915_BIT_6_SWIZZLE_9_11:
2144 return "bit9/bit11";
2145 case I915_BIT_6_SWIZZLE_9_10_11:
2146 return "bit9/bit10/bit11";
2147 case I915_BIT_6_SWIZZLE_9_17:
2148 return "bit9/bit17";
2149 case I915_BIT_6_SWIZZLE_9_10_17:
2150 return "bit9/bit10/bit17";
2151 case I915_BIT_6_SWIZZLE_UNKNOWN:
2158 static int i915_swizzle_info(struct seq_file *m, void *data)
2160 struct drm_info_node *node = m->private;
2161 struct drm_device *dev = node->minor->dev;
2162 struct drm_i915_private *dev_priv = dev->dev_private;
2165 ret = mutex_lock_interruptible(&dev->struct_mutex);
2168 intel_runtime_pm_get(dev_priv);
2170 seq_printf(m, "bit6 swizzle for X-tiling = %s\n",
2171 swizzle_string(dev_priv->mm.bit_6_swizzle_x));
2172 seq_printf(m, "bit6 swizzle for Y-tiling = %s\n",
2173 swizzle_string(dev_priv->mm.bit_6_swizzle_y));
2175 if (IS_GEN3(dev) || IS_GEN4(dev)) {
2176 seq_printf(m, "DDC = 0x%08x\n",
2178 seq_printf(m, "DDC2 = 0x%08x\n",
2180 seq_printf(m, "C0DRB3 = 0x%04x\n",
2181 I915_READ16(C0DRB3));
2182 seq_printf(m, "C1DRB3 = 0x%04x\n",
2183 I915_READ16(C1DRB3));
2184 } else if (INTEL_INFO(dev)->gen >= 6) {
2185 seq_printf(m, "MAD_DIMM_C0 = 0x%08x\n",
2186 I915_READ(MAD_DIMM_C0));
2187 seq_printf(m, "MAD_DIMM_C1 = 0x%08x\n",
2188 I915_READ(MAD_DIMM_C1));
2189 seq_printf(m, "MAD_DIMM_C2 = 0x%08x\n",
2190 I915_READ(MAD_DIMM_C2));
2191 seq_printf(m, "TILECTL = 0x%08x\n",
2192 I915_READ(TILECTL));
2193 if (INTEL_INFO(dev)->gen >= 8)
2194 seq_printf(m, "GAMTARBMODE = 0x%08x\n",
2195 I915_READ(GAMTARBMODE));
2197 seq_printf(m, "ARB_MODE = 0x%08x\n",
2198 I915_READ(ARB_MODE));
2199 seq_printf(m, "DISP_ARB_CTL = 0x%08x\n",
2200 I915_READ(DISP_ARB_CTL));
2203 if (dev_priv->quirks & QUIRK_PIN_SWIZZLED_PAGES)
2204 seq_puts(m, "L-shaped memory detected\n");
2206 intel_runtime_pm_put(dev_priv);
2207 mutex_unlock(&dev->struct_mutex);
2212 static int per_file_ctx(int id, void *ptr, void *data)
2214 struct intel_context *ctx = ptr;
2215 struct seq_file *m = data;
2216 struct i915_hw_ppgtt *ppgtt = ctx->ppgtt;
2219 seq_printf(m, " no ppgtt for context %d\n",
2224 if (i915_gem_context_is_default(ctx))
2225 seq_puts(m, " default context:\n");
2227 seq_printf(m, " context %d:\n", ctx->user_handle);
2228 ppgtt->debug_dump(ppgtt, m);
2233 static void gen8_ppgtt_info(struct seq_file *m, struct drm_device *dev)
2235 struct drm_i915_private *dev_priv = dev->dev_private;
2236 struct intel_engine_cs *ring;
2237 struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
2243 for_each_ring(ring, dev_priv, unused) {
2244 seq_printf(m, "%s\n", ring->name);
2245 for (i = 0; i < 4; i++) {
2246 u64 pdp = I915_READ(GEN8_RING_PDP_UDW(ring, i));
2248 pdp |= I915_READ(GEN8_RING_PDP_LDW(ring, i));
2249 seq_printf(m, "\tPDP%d 0x%016llx\n", i, pdp);
2254 static void gen6_ppgtt_info(struct seq_file *m, struct drm_device *dev)
2256 struct drm_i915_private *dev_priv = dev->dev_private;
2257 struct intel_engine_cs *ring;
2260 if (INTEL_INFO(dev)->gen == 6)
2261 seq_printf(m, "GFX_MODE: 0x%08x\n", I915_READ(GFX_MODE));
2263 for_each_ring(ring, dev_priv, i) {
2264 seq_printf(m, "%s\n", ring->name);
2265 if (INTEL_INFO(dev)->gen == 7)
2266 seq_printf(m, "GFX_MODE: 0x%08x\n", I915_READ(RING_MODE_GEN7(ring)));
2267 seq_printf(m, "PP_DIR_BASE: 0x%08x\n", I915_READ(RING_PP_DIR_BASE(ring)));
2268 seq_printf(m, "PP_DIR_BASE_READ: 0x%08x\n", I915_READ(RING_PP_DIR_BASE_READ(ring)));
2269 seq_printf(m, "PP_DIR_DCLV: 0x%08x\n", I915_READ(RING_PP_DIR_DCLV(ring)));
2271 if (dev_priv->mm.aliasing_ppgtt) {
2272 struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
2274 seq_puts(m, "aliasing PPGTT:\n");
2275 seq_printf(m, "pd gtt offset: 0x%08x\n", ppgtt->pd.base.ggtt_offset);
2277 ppgtt->debug_dump(ppgtt, m);
2280 seq_printf(m, "ECOCHK: 0x%08x\n", I915_READ(GAM_ECOCHK));
2283 static int i915_ppgtt_info(struct seq_file *m, void *data)
2285 struct drm_info_node *node = m->private;
2286 struct drm_device *dev = node->minor->dev;
2287 struct drm_i915_private *dev_priv = dev->dev_private;
2288 struct drm_file *file;
2290 int ret = mutex_lock_interruptible(&dev->struct_mutex);
2293 intel_runtime_pm_get(dev_priv);
2295 if (INTEL_INFO(dev)->gen >= 8)
2296 gen8_ppgtt_info(m, dev);
2297 else if (INTEL_INFO(dev)->gen >= 6)
2298 gen6_ppgtt_info(m, dev);
2300 list_for_each_entry_reverse(file, &dev->filelist, lhead) {
2301 struct drm_i915_file_private *file_priv = file->driver_priv;
2302 struct task_struct *task;
2304 task = get_pid_task(file->pid, PIDTYPE_PID);
2309 seq_printf(m, "\nproc: %s\n", task->comm);
2310 put_task_struct(task);
2311 idr_for_each(&file_priv->context_idr, per_file_ctx,
2312 (void *)(unsigned long)m);
2316 intel_runtime_pm_put(dev_priv);
2317 mutex_unlock(&dev->struct_mutex);
2322 static int count_irq_waiters(struct drm_i915_private *i915)
2324 struct intel_engine_cs *ring;
2328 for_each_ring(ring, i915, i)
2329 count += ring->irq_refcount;
2334 static int i915_rps_boost_info(struct seq_file *m, void *data)
2336 struct drm_info_node *node = m->private;
2337 struct drm_device *dev = node->minor->dev;
2338 struct drm_i915_private *dev_priv = dev->dev_private;
2339 struct drm_file *file;
2341 seq_printf(m, "RPS enabled? %d\n", dev_priv->rps.enabled);
2342 seq_printf(m, "GPU busy? %d\n", dev_priv->mm.busy);
2343 seq_printf(m, "CPU waiting? %d\n", count_irq_waiters(dev_priv));
2344 seq_printf(m, "Frequency requested %d; min hard:%d, soft:%d; max soft:%d, hard:%d\n",
2345 intel_gpu_freq(dev_priv, dev_priv->rps.cur_freq),
2346 intel_gpu_freq(dev_priv, dev_priv->rps.min_freq),
2347 intel_gpu_freq(dev_priv, dev_priv->rps.min_freq_softlimit),
2348 intel_gpu_freq(dev_priv, dev_priv->rps.max_freq_softlimit),
2349 intel_gpu_freq(dev_priv, dev_priv->rps.max_freq));
2350 spin_lock(&dev_priv->rps.client_lock);
2351 list_for_each_entry_reverse(file, &dev->filelist, lhead) {
2352 struct drm_i915_file_private *file_priv = file->driver_priv;
2353 struct task_struct *task;
2356 task = pid_task(file->pid, PIDTYPE_PID);
2357 seq_printf(m, "%s [%d]: %d boosts%s\n",
2358 task ? task->comm : "<unknown>",
2359 task ? task->pid : -1,
2360 file_priv->rps.boosts,
2361 list_empty(&file_priv->rps.link) ? "" : ", active");
2364 seq_printf(m, "Semaphore boosts: %d%s\n",
2365 dev_priv->rps.semaphores.boosts,
2366 list_empty(&dev_priv->rps.semaphores.link) ? "" : ", active");
2367 seq_printf(m, "MMIO flip boosts: %d%s\n",
2368 dev_priv->rps.mmioflips.boosts,
2369 list_empty(&dev_priv->rps.mmioflips.link) ? "" : ", active");
2370 seq_printf(m, "Kernel boosts: %d\n", dev_priv->rps.boosts);
2371 spin_unlock(&dev_priv->rps.client_lock);
2376 static int i915_llc(struct seq_file *m, void *data)
2378 struct drm_info_node *node = m->private;
2379 struct drm_device *dev = node->minor->dev;
2380 struct drm_i915_private *dev_priv = dev->dev_private;
2382 /* Size calculation for LLC is a bit of a pain. Ignore for now. */
2383 seq_printf(m, "LLC: %s\n", yesno(HAS_LLC(dev)));
2384 seq_printf(m, "eLLC: %zuMB\n", dev_priv->ellc_size);
2389 static int i915_guc_load_status_info(struct seq_file *m, void *data)
2391 struct drm_info_node *node = m->private;
2392 struct drm_i915_private *dev_priv = node->minor->dev->dev_private;
2393 struct intel_guc_fw *guc_fw = &dev_priv->guc.guc_fw;
2396 if (!HAS_GUC_UCODE(dev_priv->dev))
2399 seq_printf(m, "GuC firmware status:\n");
2400 seq_printf(m, "\tpath: %s\n",
2401 guc_fw->guc_fw_path);
2402 seq_printf(m, "\tfetch: %s\n",
2403 intel_guc_fw_status_repr(guc_fw->guc_fw_fetch_status));
2404 seq_printf(m, "\tload: %s\n",
2405 intel_guc_fw_status_repr(guc_fw->guc_fw_load_status));
2406 seq_printf(m, "\tversion wanted: %d.%d\n",
2407 guc_fw->guc_fw_major_wanted, guc_fw->guc_fw_minor_wanted);
2408 seq_printf(m, "\tversion found: %d.%d\n",
2409 guc_fw->guc_fw_major_found, guc_fw->guc_fw_minor_found);
2410 seq_printf(m, "\theader: offset is %d; size = %d\n",
2411 guc_fw->header_offset, guc_fw->header_size);
2412 seq_printf(m, "\tuCode: offset is %d; size = %d\n",
2413 guc_fw->ucode_offset, guc_fw->ucode_size);
2414 seq_printf(m, "\tRSA: offset is %d; size = %d\n",
2415 guc_fw->rsa_offset, guc_fw->rsa_size);
2417 tmp = I915_READ(GUC_STATUS);
2419 seq_printf(m, "\nGuC status 0x%08x:\n", tmp);
2420 seq_printf(m, "\tBootrom status = 0x%x\n",
2421 (tmp & GS_BOOTROM_MASK) >> GS_BOOTROM_SHIFT);
2422 seq_printf(m, "\tuKernel status = 0x%x\n",
2423 (tmp & GS_UKERNEL_MASK) >> GS_UKERNEL_SHIFT);
2424 seq_printf(m, "\tMIA Core status = 0x%x\n",
2425 (tmp & GS_MIA_MASK) >> GS_MIA_SHIFT);
2426 seq_puts(m, "\nScratch registers:\n");
2427 for (i = 0; i < 16; i++)
2428 seq_printf(m, "\t%2d: \t0x%x\n", i, I915_READ(SOFT_SCRATCH(i)));
2433 static void i915_guc_client_info(struct seq_file *m,
2434 struct drm_i915_private *dev_priv,
2435 struct i915_guc_client *client)
2437 struct intel_engine_cs *ring;
2441 seq_printf(m, "\tPriority %d, GuC ctx index: %u, PD offset 0x%x\n",
2442 client->priority, client->ctx_index, client->proc_desc_offset);
2443 seq_printf(m, "\tDoorbell id %d, offset: 0x%x, cookie 0x%x\n",
2444 client->doorbell_id, client->doorbell_offset, client->cookie);
2445 seq_printf(m, "\tWQ size %d, offset: 0x%x, tail %d\n",
2446 client->wq_size, client->wq_offset, client->wq_tail);
2448 seq_printf(m, "\tFailed to queue: %u\n", client->q_fail);
2449 seq_printf(m, "\tFailed doorbell: %u\n", client->b_fail);
2450 seq_printf(m, "\tLast submission result: %d\n", client->retcode);
2452 for_each_ring(ring, dev_priv, i) {
2453 seq_printf(m, "\tSubmissions: %llu %s\n",
2454 client->submissions[i],
2456 tot += client->submissions[i];
2458 seq_printf(m, "\tTotal: %llu\n", tot);
2461 static int i915_guc_info(struct seq_file *m, void *data)
2463 struct drm_info_node *node = m->private;
2464 struct drm_device *dev = node->minor->dev;
2465 struct drm_i915_private *dev_priv = dev->dev_private;
2466 struct intel_guc guc;
2467 struct i915_guc_client client = {};
2468 struct intel_engine_cs *ring;
2469 enum intel_ring_id i;
2472 if (!HAS_GUC_SCHED(dev_priv->dev))
2475 /* Take a local copy of the GuC data, so we can dump it at leisure */
2476 spin_lock(&dev_priv->guc.host2guc_lock);
2477 guc = dev_priv->guc;
2478 if (guc.execbuf_client) {
2479 spin_lock(&guc.execbuf_client->wq_lock);
2480 client = *guc.execbuf_client;
2481 spin_unlock(&guc.execbuf_client->wq_lock);
2483 spin_unlock(&dev_priv->guc.host2guc_lock);
2485 seq_printf(m, "GuC total action count: %llu\n", guc.action_count);
2486 seq_printf(m, "GuC action failure count: %u\n", guc.action_fail);
2487 seq_printf(m, "GuC last action command: 0x%x\n", guc.action_cmd);
2488 seq_printf(m, "GuC last action status: 0x%x\n", guc.action_status);
2489 seq_printf(m, "GuC last action error code: %d\n", guc.action_err);
2491 seq_printf(m, "\nGuC submissions:\n");
2492 for_each_ring(ring, dev_priv, i) {
2493 seq_printf(m, "\t%-24s: %10llu, last seqno 0x%08x %9d\n",
2494 ring->name, guc.submissions[i],
2495 guc.last_seqno[i], guc.last_seqno[i]);
2496 total += guc.submissions[i];
2498 seq_printf(m, "\t%s: %llu\n", "Total", total);
2500 seq_printf(m, "\nGuC execbuf client @ %p:\n", guc.execbuf_client);
2501 i915_guc_client_info(m, dev_priv, &client);
2503 /* Add more as required ... */
2508 static int i915_guc_log_dump(struct seq_file *m, void *data)
2510 struct drm_info_node *node = m->private;
2511 struct drm_device *dev = node->minor->dev;
2512 struct drm_i915_private *dev_priv = dev->dev_private;
2513 struct drm_i915_gem_object *log_obj = dev_priv->guc.log_obj;
2520 for (pg = 0; pg < log_obj->base.size / PAGE_SIZE; pg++) {
2521 log = kmap_atomic(i915_gem_object_get_page(log_obj, pg));
2523 for (i = 0; i < PAGE_SIZE / sizeof(u32); i += 4)
2524 seq_printf(m, "0x%08x 0x%08x 0x%08x 0x%08x\n",
2525 *(log + i), *(log + i + 1),
2526 *(log + i + 2), *(log + i + 3));
2536 static int i915_edp_psr_status(struct seq_file *m, void *data)
2538 struct drm_info_node *node = m->private;
2539 struct drm_device *dev = node->minor->dev;
2540 struct drm_i915_private *dev_priv = dev->dev_private;
2544 bool enabled = false;
2546 if (!HAS_PSR(dev)) {
2547 seq_puts(m, "PSR not supported\n");
2551 intel_runtime_pm_get(dev_priv);
2553 mutex_lock(&dev_priv->psr.lock);
2554 seq_printf(m, "Sink_Support: %s\n", yesno(dev_priv->psr.sink_support));
2555 seq_printf(m, "Source_OK: %s\n", yesno(dev_priv->psr.source_ok));
2556 seq_printf(m, "Enabled: %s\n", yesno((bool)dev_priv->psr.enabled));
2557 seq_printf(m, "Active: %s\n", yesno(dev_priv->psr.active));
2558 seq_printf(m, "Busy frontbuffer bits: 0x%03x\n",
2559 dev_priv->psr.busy_frontbuffer_bits);
2560 seq_printf(m, "Re-enable work scheduled: %s\n",
2561 yesno(work_busy(&dev_priv->psr.work.work)));
2564 enabled = I915_READ(EDP_PSR_CTL(dev)) & EDP_PSR_ENABLE;
2566 for_each_pipe(dev_priv, pipe) {
2567 stat[pipe] = I915_READ(VLV_PSRSTAT(pipe)) &
2568 VLV_EDP_PSR_CURR_STATE_MASK;
2569 if ((stat[pipe] == VLV_EDP_PSR_ACTIVE_NORFB_UP) ||
2570 (stat[pipe] == VLV_EDP_PSR_ACTIVE_SF_UPDATE))
2574 seq_printf(m, "HW Enabled & Active bit: %s", yesno(enabled));
2577 for_each_pipe(dev_priv, pipe) {
2578 if ((stat[pipe] == VLV_EDP_PSR_ACTIVE_NORFB_UP) ||
2579 (stat[pipe] == VLV_EDP_PSR_ACTIVE_SF_UPDATE))
2580 seq_printf(m, " pipe %c", pipe_name(pipe));
2584 /* CHV PSR has no kind of performance counter */
2586 psrperf = I915_READ(EDP_PSR_PERF_CNT(dev)) &
2587 EDP_PSR_PERF_CNT_MASK;
2589 seq_printf(m, "Performance_Counter: %u\n", psrperf);
2591 mutex_unlock(&dev_priv->psr.lock);
2593 intel_runtime_pm_put(dev_priv);
2597 static int i915_sink_crc(struct seq_file *m, void *data)
2599 struct drm_info_node *node = m->private;
2600 struct drm_device *dev = node->minor->dev;
2601 struct intel_encoder *encoder;
2602 struct intel_connector *connector;
2603 struct intel_dp *intel_dp = NULL;
2607 drm_modeset_lock_all(dev);
2608 for_each_intel_connector(dev, connector) {
2610 if (connector->base.dpms != DRM_MODE_DPMS_ON)
2613 if (!connector->base.encoder)
2616 encoder = to_intel_encoder(connector->base.encoder);
2617 if (encoder->type != INTEL_OUTPUT_EDP)
2620 intel_dp = enc_to_intel_dp(&encoder->base);
2622 ret = intel_dp_sink_crc(intel_dp, crc);
2626 seq_printf(m, "%02x%02x%02x%02x%02x%02x\n",
2627 crc[0], crc[1], crc[2],
2628 crc[3], crc[4], crc[5]);
2633 drm_modeset_unlock_all(dev);
2637 static int i915_energy_uJ(struct seq_file *m, void *data)
2639 struct drm_info_node *node = m->private;
2640 struct drm_device *dev = node->minor->dev;
2641 struct drm_i915_private *dev_priv = dev->dev_private;
2645 if (INTEL_INFO(dev)->gen < 6)
2648 intel_runtime_pm_get(dev_priv);
2650 rdmsrl(MSR_RAPL_POWER_UNIT, power);
2651 power = (power & 0x1f00) >> 8;
2652 units = 1000000 / (1 << power); /* convert to uJ */
2653 power = I915_READ(MCH_SECP_NRG_STTS);
2656 intel_runtime_pm_put(dev_priv);
2658 seq_printf(m, "%llu", (long long unsigned)power);
2663 static int i915_runtime_pm_status(struct seq_file *m, void *unused)
2665 struct drm_info_node *node = m->private;
2666 struct drm_device *dev = node->minor->dev;
2667 struct drm_i915_private *dev_priv = dev->dev_private;
2669 if (!HAS_RUNTIME_PM(dev)) {
2670 seq_puts(m, "not supported\n");
2674 seq_printf(m, "GPU idle: %s\n", yesno(!dev_priv->mm.busy));
2675 seq_printf(m, "IRQs disabled: %s\n",
2676 yesno(!intel_irqs_enabled(dev_priv)));
2678 seq_printf(m, "Usage count: %d\n",
2679 atomic_read(&dev->dev->power.usage_count));
2681 seq_printf(m, "Device Power Management (CONFIG_PM) disabled\n");
2687 static const char *power_domain_str(enum intel_display_power_domain domain)
2690 case POWER_DOMAIN_PIPE_A:
2692 case POWER_DOMAIN_PIPE_B:
2694 case POWER_DOMAIN_PIPE_C:
2696 case POWER_DOMAIN_PIPE_A_PANEL_FITTER:
2697 return "PIPE_A_PANEL_FITTER";
2698 case POWER_DOMAIN_PIPE_B_PANEL_FITTER:
2699 return "PIPE_B_PANEL_FITTER";
2700 case POWER_DOMAIN_PIPE_C_PANEL_FITTER:
2701 return "PIPE_C_PANEL_FITTER";
2702 case POWER_DOMAIN_TRANSCODER_A:
2703 return "TRANSCODER_A";
2704 case POWER_DOMAIN_TRANSCODER_B:
2705 return "TRANSCODER_B";
2706 case POWER_DOMAIN_TRANSCODER_C:
2707 return "TRANSCODER_C";
2708 case POWER_DOMAIN_TRANSCODER_EDP:
2709 return "TRANSCODER_EDP";
2710 case POWER_DOMAIN_PORT_DDI_A_2_LANES:
2711 return "PORT_DDI_A_2_LANES";
2712 case POWER_DOMAIN_PORT_DDI_A_4_LANES:
2713 return "PORT_DDI_A_4_LANES";
2714 case POWER_DOMAIN_PORT_DDI_B_2_LANES:
2715 return "PORT_DDI_B_2_LANES";
2716 case POWER_DOMAIN_PORT_DDI_B_4_LANES:
2717 return "PORT_DDI_B_4_LANES";
2718 case POWER_DOMAIN_PORT_DDI_C_2_LANES:
2719 return "PORT_DDI_C_2_LANES";
2720 case POWER_DOMAIN_PORT_DDI_C_4_LANES:
2721 return "PORT_DDI_C_4_LANES";
2722 case POWER_DOMAIN_PORT_DDI_D_2_LANES:
2723 return "PORT_DDI_D_2_LANES";
2724 case POWER_DOMAIN_PORT_DDI_D_4_LANES:
2725 return "PORT_DDI_D_4_LANES";
2726 case POWER_DOMAIN_PORT_DDI_E_2_LANES:
2727 return "PORT_DDI_E_2_LANES";
2728 case POWER_DOMAIN_PORT_DSI:
2730 case POWER_DOMAIN_PORT_CRT:
2732 case POWER_DOMAIN_PORT_OTHER:
2733 return "PORT_OTHER";
2734 case POWER_DOMAIN_VGA:
2736 case POWER_DOMAIN_AUDIO:
2738 case POWER_DOMAIN_PLLS:
2740 case POWER_DOMAIN_AUX_A:
2742 case POWER_DOMAIN_AUX_B:
2744 case POWER_DOMAIN_AUX_C:
2746 case POWER_DOMAIN_AUX_D:
2748 case POWER_DOMAIN_INIT:
2751 MISSING_CASE(domain);
2756 static int i915_power_domain_info(struct seq_file *m, void *unused)
2758 struct drm_info_node *node = m->private;
2759 struct drm_device *dev = node->minor->dev;
2760 struct drm_i915_private *dev_priv = dev->dev_private;
2761 struct i915_power_domains *power_domains = &dev_priv->power_domains;
2764 mutex_lock(&power_domains->lock);
2766 seq_printf(m, "%-25s %s\n", "Power well/domain", "Use count");
2767 for (i = 0; i < power_domains->power_well_count; i++) {
2768 struct i915_power_well *power_well;
2769 enum intel_display_power_domain power_domain;
2771 power_well = &power_domains->power_wells[i];
2772 seq_printf(m, "%-25s %d\n", power_well->name,
2775 for (power_domain = 0; power_domain < POWER_DOMAIN_NUM;
2777 if (!(BIT(power_domain) & power_well->domains))
2780 seq_printf(m, " %-23s %d\n",
2781 power_domain_str(power_domain),
2782 power_domains->domain_use_count[power_domain]);
2786 mutex_unlock(&power_domains->lock);
2791 static void intel_seq_print_mode(struct seq_file *m, int tabs,
2792 struct drm_display_mode *mode)
2796 for (i = 0; i < tabs; i++)
2799 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",
2800 mode->base.id, mode->name,
2801 mode->vrefresh, mode->clock,
2802 mode->hdisplay, mode->hsync_start,
2803 mode->hsync_end, mode->htotal,
2804 mode->vdisplay, mode->vsync_start,
2805 mode->vsync_end, mode->vtotal,
2806 mode->type, mode->flags);
2809 static void intel_encoder_info(struct seq_file *m,
2810 struct intel_crtc *intel_crtc,
2811 struct intel_encoder *intel_encoder)
2813 struct drm_info_node *node = m->private;
2814 struct drm_device *dev = node->minor->dev;
2815 struct drm_crtc *crtc = &intel_crtc->base;
2816 struct intel_connector *intel_connector;
2817 struct drm_encoder *encoder;
2819 encoder = &intel_encoder->base;
2820 seq_printf(m, "\tencoder %d: type: %s, connectors:\n",
2821 encoder->base.id, encoder->name);
2822 for_each_connector_on_encoder(dev, encoder, intel_connector) {
2823 struct drm_connector *connector = &intel_connector->base;
2824 seq_printf(m, "\t\tconnector %d: type: %s, status: %s",
2827 drm_get_connector_status_name(connector->status));
2828 if (connector->status == connector_status_connected) {
2829 struct drm_display_mode *mode = &crtc->mode;
2830 seq_printf(m, ", mode:\n");
2831 intel_seq_print_mode(m, 2, mode);
2838 static void intel_crtc_info(struct seq_file *m, struct intel_crtc *intel_crtc)
2840 struct drm_info_node *node = m->private;
2841 struct drm_device *dev = node->minor->dev;
2842 struct drm_crtc *crtc = &intel_crtc->base;
2843 struct intel_encoder *intel_encoder;
2844 struct drm_plane_state *plane_state = crtc->primary->state;
2845 struct drm_framebuffer *fb = plane_state->fb;
2848 seq_printf(m, "\tfb: %d, pos: %dx%d, size: %dx%d\n",
2849 fb->base.id, plane_state->src_x >> 16,
2850 plane_state->src_y >> 16, fb->width, fb->height);
2852 seq_puts(m, "\tprimary plane disabled\n");
2853 for_each_encoder_on_crtc(dev, crtc, intel_encoder)
2854 intel_encoder_info(m, intel_crtc, intel_encoder);
2857 static void intel_panel_info(struct seq_file *m, struct intel_panel *panel)
2859 struct drm_display_mode *mode = panel->fixed_mode;
2861 seq_printf(m, "\tfixed mode:\n");
2862 intel_seq_print_mode(m, 2, mode);
2865 static void intel_dp_info(struct seq_file *m,
2866 struct intel_connector *intel_connector)
2868 struct intel_encoder *intel_encoder = intel_connector->encoder;
2869 struct intel_dp *intel_dp = enc_to_intel_dp(&intel_encoder->base);
2871 seq_printf(m, "\tDPCD rev: %x\n", intel_dp->dpcd[DP_DPCD_REV]);
2872 seq_printf(m, "\taudio support: %s\n", yesno(intel_dp->has_audio));
2873 if (intel_encoder->type == INTEL_OUTPUT_EDP)
2874 intel_panel_info(m, &intel_connector->panel);
2877 static void intel_hdmi_info(struct seq_file *m,
2878 struct intel_connector *intel_connector)
2880 struct intel_encoder *intel_encoder = intel_connector->encoder;
2881 struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&intel_encoder->base);
2883 seq_printf(m, "\taudio support: %s\n", yesno(intel_hdmi->has_audio));
2886 static void intel_lvds_info(struct seq_file *m,
2887 struct intel_connector *intel_connector)
2889 intel_panel_info(m, &intel_connector->panel);
2892 static void intel_connector_info(struct seq_file *m,
2893 struct drm_connector *connector)
2895 struct intel_connector *intel_connector = to_intel_connector(connector);
2896 struct intel_encoder *intel_encoder = intel_connector->encoder;
2897 struct drm_display_mode *mode;
2899 seq_printf(m, "connector %d: type %s, status: %s\n",
2900 connector->base.id, connector->name,
2901 drm_get_connector_status_name(connector->status));
2902 if (connector->status == connector_status_connected) {
2903 seq_printf(m, "\tname: %s\n", connector->display_info.name);
2904 seq_printf(m, "\tphysical dimensions: %dx%dmm\n",
2905 connector->display_info.width_mm,
2906 connector->display_info.height_mm);
2907 seq_printf(m, "\tsubpixel order: %s\n",
2908 drm_get_subpixel_order_name(connector->display_info.subpixel_order));
2909 seq_printf(m, "\tCEA rev: %d\n",
2910 connector->display_info.cea_rev);
2912 if (intel_encoder) {
2913 if (intel_encoder->type == INTEL_OUTPUT_DISPLAYPORT ||
2914 intel_encoder->type == INTEL_OUTPUT_EDP)
2915 intel_dp_info(m, intel_connector);
2916 else if (intel_encoder->type == INTEL_OUTPUT_HDMI)
2917 intel_hdmi_info(m, intel_connector);
2918 else if (intel_encoder->type == INTEL_OUTPUT_LVDS)
2919 intel_lvds_info(m, intel_connector);
2922 seq_printf(m, "\tmodes:\n");
2923 list_for_each_entry(mode, &connector->modes, head)
2924 intel_seq_print_mode(m, 2, mode);
2927 static bool cursor_active(struct drm_device *dev, int pipe)
2929 struct drm_i915_private *dev_priv = dev->dev_private;
2932 if (IS_845G(dev) || IS_I865G(dev))
2933 state = I915_READ(CURCNTR(PIPE_A)) & CURSOR_ENABLE;
2935 state = I915_READ(CURCNTR(pipe)) & CURSOR_MODE;
2940 static bool cursor_position(struct drm_device *dev, int pipe, int *x, int *y)
2942 struct drm_i915_private *dev_priv = dev->dev_private;
2945 pos = I915_READ(CURPOS(pipe));
2947 *x = (pos >> CURSOR_X_SHIFT) & CURSOR_POS_MASK;
2948 if (pos & (CURSOR_POS_SIGN << CURSOR_X_SHIFT))
2951 *y = (pos >> CURSOR_Y_SHIFT) & CURSOR_POS_MASK;
2952 if (pos & (CURSOR_POS_SIGN << CURSOR_Y_SHIFT))
2955 return cursor_active(dev, pipe);
2958 static const char *plane_type(enum drm_plane_type type)
2961 case DRM_PLANE_TYPE_OVERLAY:
2963 case DRM_PLANE_TYPE_PRIMARY:
2965 case DRM_PLANE_TYPE_CURSOR:
2968 * Deliberately omitting default: to generate compiler warnings
2969 * when a new drm_plane_type gets added.
2976 static const char *plane_rotation(unsigned int rotation)
2978 static char buf[48];
2980 * According to doc only one DRM_ROTATE_ is allowed but this
2981 * will print them all to visualize if the values are misused
2983 snprintf(buf, sizeof(buf),
2984 "%s%s%s%s%s%s(0x%08x)",
2985 (rotation & BIT(DRM_ROTATE_0)) ? "0 " : "",
2986 (rotation & BIT(DRM_ROTATE_90)) ? "90 " : "",
2987 (rotation & BIT(DRM_ROTATE_180)) ? "180 " : "",
2988 (rotation & BIT(DRM_ROTATE_270)) ? "270 " : "",
2989 (rotation & BIT(DRM_REFLECT_X)) ? "FLIPX " : "",
2990 (rotation & BIT(DRM_REFLECT_Y)) ? "FLIPY " : "",
2996 static void intel_plane_info(struct seq_file *m, struct intel_crtc *intel_crtc)
2998 struct drm_info_node *node = m->private;
2999 struct drm_device *dev = node->minor->dev;
3000 struct intel_plane *intel_plane;
3002 for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) {
3003 struct drm_plane_state *state;
3004 struct drm_plane *plane = &intel_plane->base;
3006 if (!plane->state) {
3007 seq_puts(m, "plane->state is NULL!\n");
3011 state = plane->state;
3013 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",
3015 plane_type(intel_plane->base.type),
3016 state->crtc_x, state->crtc_y,
3017 state->crtc_w, state->crtc_h,
3018 (state->src_x >> 16),
3019 ((state->src_x & 0xffff) * 15625) >> 10,
3020 (state->src_y >> 16),
3021 ((state->src_y & 0xffff) * 15625) >> 10,
3022 (state->src_w >> 16),
3023 ((state->src_w & 0xffff) * 15625) >> 10,
3024 (state->src_h >> 16),
3025 ((state->src_h & 0xffff) * 15625) >> 10,
3026 state->fb ? drm_get_format_name(state->fb->pixel_format) : "N/A",
3027 plane_rotation(state->rotation));
3031 static void intel_scaler_info(struct seq_file *m, struct intel_crtc *intel_crtc)
3033 struct intel_crtc_state *pipe_config;
3034 int num_scalers = intel_crtc->num_scalers;
3037 pipe_config = to_intel_crtc_state(intel_crtc->base.state);
3039 /* Not all platformas have a scaler */
3041 seq_printf(m, "\tnum_scalers=%d, scaler_users=%x scaler_id=%d",
3043 pipe_config->scaler_state.scaler_users,
3044 pipe_config->scaler_state.scaler_id);
3046 for (i = 0; i < SKL_NUM_SCALERS; i++) {
3047 struct intel_scaler *sc =
3048 &pipe_config->scaler_state.scalers[i];
3050 seq_printf(m, ", scalers[%d]: use=%s, mode=%x",
3051 i, yesno(sc->in_use), sc->mode);
3055 seq_puts(m, "\tNo scalers available on this platform\n");
3059 static int i915_display_info(struct seq_file *m, void *unused)
3061 struct drm_info_node *node = m->private;
3062 struct drm_device *dev = node->minor->dev;
3063 struct drm_i915_private *dev_priv = dev->dev_private;
3064 struct intel_crtc *crtc;
3065 struct drm_connector *connector;
3067 intel_runtime_pm_get(dev_priv);
3068 drm_modeset_lock_all(dev);
3069 seq_printf(m, "CRTC info\n");
3070 seq_printf(m, "---------\n");
3071 for_each_intel_crtc(dev, crtc) {
3073 struct intel_crtc_state *pipe_config;
3076 pipe_config = to_intel_crtc_state(crtc->base.state);
3078 seq_printf(m, "CRTC %d: pipe: %c, active=%s, (size=%dx%d), dither=%s, bpp=%d\n",
3079 crtc->base.base.id, pipe_name(crtc->pipe),
3080 yesno(pipe_config->base.active),
3081 pipe_config->pipe_src_w, pipe_config->pipe_src_h,
3082 yesno(pipe_config->dither), pipe_config->pipe_bpp);
3084 if (pipe_config->base.active) {
3085 intel_crtc_info(m, crtc);
3087 active = cursor_position(dev, crtc->pipe, &x, &y);
3088 seq_printf(m, "\tcursor visible? %s, position (%d, %d), size %dx%d, addr 0x%08x, active? %s\n",
3089 yesno(crtc->cursor_base),
3090 x, y, crtc->base.cursor->state->crtc_w,
3091 crtc->base.cursor->state->crtc_h,
3092 crtc->cursor_addr, yesno(active));
3093 intel_scaler_info(m, crtc);
3094 intel_plane_info(m, crtc);
3097 seq_printf(m, "\tunderrun reporting: cpu=%s pch=%s \n",
3098 yesno(!crtc->cpu_fifo_underrun_disabled),
3099 yesno(!crtc->pch_fifo_underrun_disabled));
3102 seq_printf(m, "\n");
3103 seq_printf(m, "Connector info\n");
3104 seq_printf(m, "--------------\n");
3105 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
3106 intel_connector_info(m, connector);
3108 drm_modeset_unlock_all(dev);
3109 intel_runtime_pm_put(dev_priv);
3114 static int i915_semaphore_status(struct seq_file *m, void *unused)
3116 struct drm_info_node *node = (struct drm_info_node *) m->private;
3117 struct drm_device *dev = node->minor->dev;
3118 struct drm_i915_private *dev_priv = dev->dev_private;
3119 struct intel_engine_cs *ring;
3120 int num_rings = hweight32(INTEL_INFO(dev)->ring_mask);
3123 if (!i915_semaphore_is_enabled(dev)) {
3124 seq_puts(m, "Semaphores are disabled\n");
3128 ret = mutex_lock_interruptible(&dev->struct_mutex);
3131 intel_runtime_pm_get(dev_priv);
3133 if (IS_BROADWELL(dev)) {
3137 page = i915_gem_object_get_page(dev_priv->semaphore_obj, 0);
3139 seqno = (uint64_t *)kmap_atomic(page);
3140 for_each_ring(ring, dev_priv, i) {
3143 seq_printf(m, "%s\n", ring->name);
3145 seq_puts(m, " Last signal:");
3146 for (j = 0; j < num_rings; j++) {
3147 offset = i * I915_NUM_RINGS + j;
3148 seq_printf(m, "0x%08llx (0x%02llx) ",
3149 seqno[offset], offset * 8);
3153 seq_puts(m, " Last wait: ");
3154 for (j = 0; j < num_rings; j++) {
3155 offset = i + (j * I915_NUM_RINGS);
3156 seq_printf(m, "0x%08llx (0x%02llx) ",
3157 seqno[offset], offset * 8);
3162 kunmap_atomic(seqno);
3164 seq_puts(m, " Last signal:");
3165 for_each_ring(ring, dev_priv, i)
3166 for (j = 0; j < num_rings; j++)
3167 seq_printf(m, "0x%08x\n",
3168 I915_READ(ring->semaphore.mbox.signal[j]));
3172 seq_puts(m, "\nSync seqno:\n");
3173 for_each_ring(ring, dev_priv, i) {
3174 for (j = 0; j < num_rings; j++) {
3175 seq_printf(m, " 0x%08x ", ring->semaphore.sync_seqno[j]);
3181 intel_runtime_pm_put(dev_priv);
3182 mutex_unlock(&dev->struct_mutex);
3186 static int i915_shared_dplls_info(struct seq_file *m, void *unused)
3188 struct drm_info_node *node = (struct drm_info_node *) m->private;
3189 struct drm_device *dev = node->minor->dev;
3190 struct drm_i915_private *dev_priv = dev->dev_private;
3193 drm_modeset_lock_all(dev);
3194 for (i = 0; i < dev_priv->num_shared_dpll; i++) {
3195 struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i];
3197 seq_printf(m, "DPLL%i: %s, id: %i\n", i, pll->name, pll->id);
3198 seq_printf(m, " crtc_mask: 0x%08x, active: %d, on: %s\n",
3199 pll->config.crtc_mask, pll->active, yesno(pll->on));
3200 seq_printf(m, " tracked hardware state:\n");
3201 seq_printf(m, " dpll: 0x%08x\n", pll->config.hw_state.dpll);
3202 seq_printf(m, " dpll_md: 0x%08x\n",
3203 pll->config.hw_state.dpll_md);
3204 seq_printf(m, " fp0: 0x%08x\n", pll->config.hw_state.fp0);
3205 seq_printf(m, " fp1: 0x%08x\n", pll->config.hw_state.fp1);
3206 seq_printf(m, " wrpll: 0x%08x\n", pll->config.hw_state.wrpll);
3208 drm_modeset_unlock_all(dev);
3213 static int i915_wa_registers(struct seq_file *m, void *unused)
3217 struct drm_info_node *node = (struct drm_info_node *) m->private;
3218 struct drm_device *dev = node->minor->dev;
3219 struct drm_i915_private *dev_priv = dev->dev_private;
3221 ret = mutex_lock_interruptible(&dev->struct_mutex);
3225 intel_runtime_pm_get(dev_priv);
3227 seq_printf(m, "Workarounds applied: %d\n", dev_priv->workarounds.count);
3228 for (i = 0; i < dev_priv->workarounds.count; ++i) {
3229 u32 addr, mask, value, read;
3232 addr = dev_priv->workarounds.reg[i].addr;
3233 mask = dev_priv->workarounds.reg[i].mask;
3234 value = dev_priv->workarounds.reg[i].value;
3235 read = I915_READ(addr);
3236 ok = (value & mask) == (read & mask);
3237 seq_printf(m, "0x%X: 0x%08X, mask: 0x%08X, read: 0x%08x, status: %s\n",
3238 addr, value, mask, read, ok ? "OK" : "FAIL");
3241 intel_runtime_pm_put(dev_priv);
3242 mutex_unlock(&dev->struct_mutex);
3247 static int i915_ddb_info(struct seq_file *m, void *unused)
3249 struct drm_info_node *node = m->private;
3250 struct drm_device *dev = node->minor->dev;
3251 struct drm_i915_private *dev_priv = dev->dev_private;
3252 struct skl_ddb_allocation *ddb;
3253 struct skl_ddb_entry *entry;
3257 if (INTEL_INFO(dev)->gen < 9)
3260 drm_modeset_lock_all(dev);
3262 ddb = &dev_priv->wm.skl_hw.ddb;
3264 seq_printf(m, "%-15s%8s%8s%8s\n", "", "Start", "End", "Size");
3266 for_each_pipe(dev_priv, pipe) {
3267 seq_printf(m, "Pipe %c\n", pipe_name(pipe));
3269 for_each_plane(dev_priv, pipe, plane) {
3270 entry = &ddb->plane[pipe][plane];
3271 seq_printf(m, " Plane%-8d%8u%8u%8u\n", plane + 1,
3272 entry->start, entry->end,
3273 skl_ddb_entry_size(entry));
3276 entry = &ddb->plane[pipe][PLANE_CURSOR];
3277 seq_printf(m, " %-13s%8u%8u%8u\n", "Cursor", entry->start,
3278 entry->end, skl_ddb_entry_size(entry));
3281 drm_modeset_unlock_all(dev);
3286 static void drrs_status_per_crtc(struct seq_file *m,
3287 struct drm_device *dev, struct intel_crtc *intel_crtc)
3289 struct intel_encoder *intel_encoder;
3290 struct drm_i915_private *dev_priv = dev->dev_private;
3291 struct i915_drrs *drrs = &dev_priv->drrs;
3294 for_each_encoder_on_crtc(dev, &intel_crtc->base, intel_encoder) {
3295 /* Encoder connected on this CRTC */
3296 switch (intel_encoder->type) {
3297 case INTEL_OUTPUT_EDP:
3298 seq_puts(m, "eDP:\n");
3300 case INTEL_OUTPUT_DSI:
3301 seq_puts(m, "DSI:\n");
3303 case INTEL_OUTPUT_HDMI:
3304 seq_puts(m, "HDMI:\n");
3306 case INTEL_OUTPUT_DISPLAYPORT:
3307 seq_puts(m, "DP:\n");
3310 seq_printf(m, "Other encoder (id=%d).\n",
3311 intel_encoder->type);
3316 if (dev_priv->vbt.drrs_type == STATIC_DRRS_SUPPORT)
3317 seq_puts(m, "\tVBT: DRRS_type: Static");
3318 else if (dev_priv->vbt.drrs_type == SEAMLESS_DRRS_SUPPORT)
3319 seq_puts(m, "\tVBT: DRRS_type: Seamless");
3320 else if (dev_priv->vbt.drrs_type == DRRS_NOT_SUPPORTED)
3321 seq_puts(m, "\tVBT: DRRS_type: None");
3323 seq_puts(m, "\tVBT: DRRS_type: FIXME: Unrecognized Value");
3325 seq_puts(m, "\n\n");
3327 if (to_intel_crtc_state(intel_crtc->base.state)->has_drrs) {
3328 struct intel_panel *panel;
3330 mutex_lock(&drrs->mutex);
3331 /* DRRS Supported */
3332 seq_puts(m, "\tDRRS Supported: Yes\n");
3334 /* disable_drrs() will make drrs->dp NULL */
3336 seq_puts(m, "Idleness DRRS: Disabled");
3337 mutex_unlock(&drrs->mutex);
3341 panel = &drrs->dp->attached_connector->panel;
3342 seq_printf(m, "\t\tBusy_frontbuffer_bits: 0x%X",
3343 drrs->busy_frontbuffer_bits);
3345 seq_puts(m, "\n\t\t");
3346 if (drrs->refresh_rate_type == DRRS_HIGH_RR) {
3347 seq_puts(m, "DRRS_State: DRRS_HIGH_RR\n");
3348 vrefresh = panel->fixed_mode->vrefresh;
3349 } else if (drrs->refresh_rate_type == DRRS_LOW_RR) {
3350 seq_puts(m, "DRRS_State: DRRS_LOW_RR\n");
3351 vrefresh = panel->downclock_mode->vrefresh;
3353 seq_printf(m, "DRRS_State: Unknown(%d)\n",
3354 drrs->refresh_rate_type);
3355 mutex_unlock(&drrs->mutex);
3358 seq_printf(m, "\t\tVrefresh: %d", vrefresh);
3360 seq_puts(m, "\n\t\t");
3361 mutex_unlock(&drrs->mutex);
3363 /* DRRS not supported. Print the VBT parameter*/
3364 seq_puts(m, "\tDRRS Supported : No");
3369 static int i915_drrs_status(struct seq_file *m, void *unused)
3371 struct drm_info_node *node = m->private;
3372 struct drm_device *dev = node->minor->dev;
3373 struct intel_crtc *intel_crtc;
3374 int active_crtc_cnt = 0;
3376 for_each_intel_crtc(dev, intel_crtc) {
3377 drm_modeset_lock(&intel_crtc->base.mutex, NULL);
3379 if (intel_crtc->base.state->active) {
3381 seq_printf(m, "\nCRTC %d: ", active_crtc_cnt);
3383 drrs_status_per_crtc(m, dev, intel_crtc);
3386 drm_modeset_unlock(&intel_crtc->base.mutex);
3389 if (!active_crtc_cnt)
3390 seq_puts(m, "No active crtc found\n");
3395 struct pipe_crc_info {
3397 struct drm_device *dev;
3401 static int i915_dp_mst_info(struct seq_file *m, void *unused)
3403 struct drm_info_node *node = (struct drm_info_node *) m->private;
3404 struct drm_device *dev = node->minor->dev;
3405 struct drm_encoder *encoder;
3406 struct intel_encoder *intel_encoder;
3407 struct intel_digital_port *intel_dig_port;
3408 drm_modeset_lock_all(dev);
3409 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3410 intel_encoder = to_intel_encoder(encoder);
3411 if (intel_encoder->type != INTEL_OUTPUT_DISPLAYPORT)
3413 intel_dig_port = enc_to_dig_port(encoder);
3414 if (!intel_dig_port->dp.can_mst)
3417 drm_dp_mst_dump_topology(m, &intel_dig_port->dp.mst_mgr);
3419 drm_modeset_unlock_all(dev);
3423 static int i915_pipe_crc_open(struct inode *inode, struct file *filep)
3425 struct pipe_crc_info *info = inode->i_private;
3426 struct drm_i915_private *dev_priv = info->dev->dev_private;
3427 struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe];
3429 if (info->pipe >= INTEL_INFO(info->dev)->num_pipes)
3432 spin_lock_irq(&pipe_crc->lock);
3434 if (pipe_crc->opened) {
3435 spin_unlock_irq(&pipe_crc->lock);
3436 return -EBUSY; /* already open */
3439 pipe_crc->opened = true;
3440 filep->private_data = inode->i_private;
3442 spin_unlock_irq(&pipe_crc->lock);
3447 static int i915_pipe_crc_release(struct inode *inode, struct file *filep)
3449 struct pipe_crc_info *info = inode->i_private;
3450 struct drm_i915_private *dev_priv = info->dev->dev_private;
3451 struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe];
3453 spin_lock_irq(&pipe_crc->lock);
3454 pipe_crc->opened = false;
3455 spin_unlock_irq(&pipe_crc->lock);
3460 /* (6 fields, 8 chars each, space separated (5) + '\n') */
3461 #define PIPE_CRC_LINE_LEN (6 * 8 + 5 + 1)
3462 /* account for \'0' */
3463 #define PIPE_CRC_BUFFER_LEN (PIPE_CRC_LINE_LEN + 1)
3465 static int pipe_crc_data_count(struct intel_pipe_crc *pipe_crc)
3467 assert_spin_locked(&pipe_crc->lock);
3468 return CIRC_CNT(pipe_crc->head, pipe_crc->tail,
3469 INTEL_PIPE_CRC_ENTRIES_NR);
3473 i915_pipe_crc_read(struct file *filep, char __user *user_buf, size_t count,
3476 struct pipe_crc_info *info = filep->private_data;
3477 struct drm_device *dev = info->dev;
3478 struct drm_i915_private *dev_priv = dev->dev_private;
3479 struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe];
3480 char buf[PIPE_CRC_BUFFER_LEN];
3485 * Don't allow user space to provide buffers not big enough to hold
3488 if (count < PIPE_CRC_LINE_LEN)
3491 if (pipe_crc->source == INTEL_PIPE_CRC_SOURCE_NONE)
3494 /* nothing to read */
3495 spin_lock_irq(&pipe_crc->lock);
3496 while (pipe_crc_data_count(pipe_crc) == 0) {
3499 if (filep->f_flags & O_NONBLOCK) {
3500 spin_unlock_irq(&pipe_crc->lock);
3504 ret = wait_event_interruptible_lock_irq(pipe_crc->wq,
3505 pipe_crc_data_count(pipe_crc), pipe_crc->lock);
3507 spin_unlock_irq(&pipe_crc->lock);
3512 /* We now have one or more entries to read */
3513 n_entries = count / PIPE_CRC_LINE_LEN;
3516 while (n_entries > 0) {
3517 struct intel_pipe_crc_entry *entry =
3518 &pipe_crc->entries[pipe_crc->tail];
3521 if (CIRC_CNT(pipe_crc->head, pipe_crc->tail,
3522 INTEL_PIPE_CRC_ENTRIES_NR) < 1)
3525 BUILD_BUG_ON_NOT_POWER_OF_2(INTEL_PIPE_CRC_ENTRIES_NR);
3526 pipe_crc->tail = (pipe_crc->tail + 1) & (INTEL_PIPE_CRC_ENTRIES_NR - 1);
3528 bytes_read += snprintf(buf, PIPE_CRC_BUFFER_LEN,
3529 "%8u %8x %8x %8x %8x %8x\n",
3530 entry->frame, entry->crc[0],
3531 entry->crc[1], entry->crc[2],
3532 entry->crc[3], entry->crc[4]);
3534 spin_unlock_irq(&pipe_crc->lock);
3536 ret = copy_to_user(user_buf, buf, PIPE_CRC_LINE_LEN);
3537 if (ret == PIPE_CRC_LINE_LEN)
3540 user_buf += PIPE_CRC_LINE_LEN;
3543 spin_lock_irq(&pipe_crc->lock);
3546 spin_unlock_irq(&pipe_crc->lock);
3551 static const struct file_operations i915_pipe_crc_fops = {
3552 .owner = THIS_MODULE,
3553 .open = i915_pipe_crc_open,
3554 .read = i915_pipe_crc_read,
3555 .release = i915_pipe_crc_release,
3558 static struct pipe_crc_info i915_pipe_crc_data[I915_MAX_PIPES] = {
3560 .name = "i915_pipe_A_crc",
3564 .name = "i915_pipe_B_crc",
3568 .name = "i915_pipe_C_crc",
3573 static int i915_pipe_crc_create(struct dentry *root, struct drm_minor *minor,
3576 struct drm_device *dev = minor->dev;
3578 struct pipe_crc_info *info = &i915_pipe_crc_data[pipe];
3581 ent = debugfs_create_file(info->name, S_IRUGO, root, info,
3582 &i915_pipe_crc_fops);
3586 return drm_add_fake_info_node(minor, ent, info);
3589 static const char * const pipe_crc_sources[] = {
3602 static const char *pipe_crc_source_name(enum intel_pipe_crc_source source)
3604 BUILD_BUG_ON(ARRAY_SIZE(pipe_crc_sources) != INTEL_PIPE_CRC_SOURCE_MAX);
3605 return pipe_crc_sources[source];
3608 static int display_crc_ctl_show(struct seq_file *m, void *data)
3610 struct drm_device *dev = m->private;
3611 struct drm_i915_private *dev_priv = dev->dev_private;
3614 for (i = 0; i < I915_MAX_PIPES; i++)
3615 seq_printf(m, "%c %s\n", pipe_name(i),
3616 pipe_crc_source_name(dev_priv->pipe_crc[i].source));
3621 static int display_crc_ctl_open(struct inode *inode, struct file *file)
3623 struct drm_device *dev = inode->i_private;
3625 return single_open(file, display_crc_ctl_show, dev);
3628 static int i8xx_pipe_crc_ctl_reg(enum intel_pipe_crc_source *source,
3631 if (*source == INTEL_PIPE_CRC_SOURCE_AUTO)
3632 *source = INTEL_PIPE_CRC_SOURCE_PIPE;
3635 case INTEL_PIPE_CRC_SOURCE_PIPE:
3636 *val = PIPE_CRC_ENABLE | PIPE_CRC_INCLUDE_BORDER_I8XX;
3638 case INTEL_PIPE_CRC_SOURCE_NONE:
3648 static int i9xx_pipe_crc_auto_source(struct drm_device *dev, enum pipe pipe,
3649 enum intel_pipe_crc_source *source)
3651 struct intel_encoder *encoder;
3652 struct intel_crtc *crtc;
3653 struct intel_digital_port *dig_port;
3656 *source = INTEL_PIPE_CRC_SOURCE_PIPE;
3658 drm_modeset_lock_all(dev);
3659 for_each_intel_encoder(dev, encoder) {
3660 if (!encoder->base.crtc)
3663 crtc = to_intel_crtc(encoder->base.crtc);
3665 if (crtc->pipe != pipe)
3668 switch (encoder->type) {
3669 case INTEL_OUTPUT_TVOUT:
3670 *source = INTEL_PIPE_CRC_SOURCE_TV;
3672 case INTEL_OUTPUT_DISPLAYPORT:
3673 case INTEL_OUTPUT_EDP:
3674 dig_port = enc_to_dig_port(&encoder->base);
3675 switch (dig_port->port) {
3677 *source = INTEL_PIPE_CRC_SOURCE_DP_B;
3680 *source = INTEL_PIPE_CRC_SOURCE_DP_C;
3683 *source = INTEL_PIPE_CRC_SOURCE_DP_D;
3686 WARN(1, "nonexisting DP port %c\n",
3687 port_name(dig_port->port));
3695 drm_modeset_unlock_all(dev);
3700 static int vlv_pipe_crc_ctl_reg(struct drm_device *dev,
3702 enum intel_pipe_crc_source *source,
3705 struct drm_i915_private *dev_priv = dev->dev_private;
3706 bool need_stable_symbols = false;
3708 if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) {
3709 int ret = i9xx_pipe_crc_auto_source(dev, pipe, source);
3715 case INTEL_PIPE_CRC_SOURCE_PIPE:
3716 *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PIPE_VLV;
3718 case INTEL_PIPE_CRC_SOURCE_DP_B:
3719 *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_B_VLV;
3720 need_stable_symbols = true;
3722 case INTEL_PIPE_CRC_SOURCE_DP_C:
3723 *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_C_VLV;
3724 need_stable_symbols = true;
3726 case INTEL_PIPE_CRC_SOURCE_DP_D:
3727 if (!IS_CHERRYVIEW(dev))
3729 *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_D_VLV;
3730 need_stable_symbols = true;
3732 case INTEL_PIPE_CRC_SOURCE_NONE:
3740 * When the pipe CRC tap point is after the transcoders we need
3741 * to tweak symbol-level features to produce a deterministic series of
3742 * symbols for a given frame. We need to reset those features only once
3743 * a frame (instead of every nth symbol):
3744 * - DC-balance: used to ensure a better clock recovery from the data
3746 * - DisplayPort scrambling: used for EMI reduction
3748 if (need_stable_symbols) {
3749 uint32_t tmp = I915_READ(PORT_DFT2_G4X);
3751 tmp |= DC_BALANCE_RESET_VLV;
3754 tmp |= PIPE_A_SCRAMBLE_RESET;
3757 tmp |= PIPE_B_SCRAMBLE_RESET;
3760 tmp |= PIPE_C_SCRAMBLE_RESET;
3765 I915_WRITE(PORT_DFT2_G4X, tmp);
3771 static int i9xx_pipe_crc_ctl_reg(struct drm_device *dev,
3773 enum intel_pipe_crc_source *source,
3776 struct drm_i915_private *dev_priv = dev->dev_private;
3777 bool need_stable_symbols = false;
3779 if (*source == INTEL_PIPE_CRC_SOURCE_AUTO) {
3780 int ret = i9xx_pipe_crc_auto_source(dev, pipe, source);
3786 case INTEL_PIPE_CRC_SOURCE_PIPE:
3787 *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PIPE_I9XX;
3789 case INTEL_PIPE_CRC_SOURCE_TV:
3790 if (!SUPPORTS_TV(dev))
3792 *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_TV_PRE;
3794 case INTEL_PIPE_CRC_SOURCE_DP_B:
3797 *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_B_G4X;
3798 need_stable_symbols = true;
3800 case INTEL_PIPE_CRC_SOURCE_DP_C:
3803 *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_C_G4X;
3804 need_stable_symbols = true;
3806 case INTEL_PIPE_CRC_SOURCE_DP_D:
3809 *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_D_G4X;
3810 need_stable_symbols = true;
3812 case INTEL_PIPE_CRC_SOURCE_NONE:
3820 * When the pipe CRC tap point is after the transcoders we need
3821 * to tweak symbol-level features to produce a deterministic series of
3822 * symbols for a given frame. We need to reset those features only once
3823 * a frame (instead of every nth symbol):
3824 * - DC-balance: used to ensure a better clock recovery from the data
3826 * - DisplayPort scrambling: used for EMI reduction
3828 if (need_stable_symbols) {
3829 uint32_t tmp = I915_READ(PORT_DFT2_G4X);
3831 WARN_ON(!IS_G4X(dev));
3833 I915_WRITE(PORT_DFT_I9XX,
3834 I915_READ(PORT_DFT_I9XX) | DC_BALANCE_RESET);
3837 tmp |= PIPE_A_SCRAMBLE_RESET;
3839 tmp |= PIPE_B_SCRAMBLE_RESET;
3841 I915_WRITE(PORT_DFT2_G4X, tmp);
3847 static void vlv_undo_pipe_scramble_reset(struct drm_device *dev,
3850 struct drm_i915_private *dev_priv = dev->dev_private;
3851 uint32_t tmp = I915_READ(PORT_DFT2_G4X);
3855 tmp &= ~PIPE_A_SCRAMBLE_RESET;
3858 tmp &= ~PIPE_B_SCRAMBLE_RESET;
3861 tmp &= ~PIPE_C_SCRAMBLE_RESET;
3866 if (!(tmp & PIPE_SCRAMBLE_RESET_MASK))
3867 tmp &= ~DC_BALANCE_RESET_VLV;
3868 I915_WRITE(PORT_DFT2_G4X, tmp);
3872 static void g4x_undo_pipe_scramble_reset(struct drm_device *dev,
3875 struct drm_i915_private *dev_priv = dev->dev_private;
3876 uint32_t tmp = I915_READ(PORT_DFT2_G4X);
3879 tmp &= ~PIPE_A_SCRAMBLE_RESET;
3881 tmp &= ~PIPE_B_SCRAMBLE_RESET;
3882 I915_WRITE(PORT_DFT2_G4X, tmp);
3884 if (!(tmp & PIPE_SCRAMBLE_RESET_MASK)) {
3885 I915_WRITE(PORT_DFT_I9XX,
3886 I915_READ(PORT_DFT_I9XX) & ~DC_BALANCE_RESET);
3890 static int ilk_pipe_crc_ctl_reg(enum intel_pipe_crc_source *source,
3893 if (*source == INTEL_PIPE_CRC_SOURCE_AUTO)
3894 *source = INTEL_PIPE_CRC_SOURCE_PIPE;
3897 case INTEL_PIPE_CRC_SOURCE_PLANE1:
3898 *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PRIMARY_ILK;
3900 case INTEL_PIPE_CRC_SOURCE_PLANE2:
3901 *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_SPRITE_ILK;
3903 case INTEL_PIPE_CRC_SOURCE_PIPE:
3904 *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PIPE_ILK;
3906 case INTEL_PIPE_CRC_SOURCE_NONE:
3916 static void hsw_trans_edp_pipe_A_crc_wa(struct drm_device *dev, bool enable)
3918 struct drm_i915_private *dev_priv = dev->dev_private;
3919 struct intel_crtc *crtc =
3920 to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_A]);
3921 struct intel_crtc_state *pipe_config;
3922 struct drm_atomic_state *state;
3925 drm_modeset_lock_all(dev);
3926 state = drm_atomic_state_alloc(dev);
3932 state->acquire_ctx = drm_modeset_legacy_acquire_ctx(&crtc->base);
3933 pipe_config = intel_atomic_get_crtc_state(state, crtc);
3934 if (IS_ERR(pipe_config)) {
3935 ret = PTR_ERR(pipe_config);
3939 pipe_config->pch_pfit.force_thru = enable;
3940 if (pipe_config->cpu_transcoder == TRANSCODER_EDP &&
3941 pipe_config->pch_pfit.enabled != enable)
3942 pipe_config->base.connectors_changed = true;
3944 ret = drm_atomic_commit(state);
3946 drm_modeset_unlock_all(dev);
3947 WARN(ret, "Toggling workaround to %i returns %i\n", enable, ret);
3949 drm_atomic_state_free(state);
3952 static int ivb_pipe_crc_ctl_reg(struct drm_device *dev,
3954 enum intel_pipe_crc_source *source,
3957 if (*source == INTEL_PIPE_CRC_SOURCE_AUTO)
3958 *source = INTEL_PIPE_CRC_SOURCE_PF;
3961 case INTEL_PIPE_CRC_SOURCE_PLANE1:
3962 *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PRIMARY_IVB;
3964 case INTEL_PIPE_CRC_SOURCE_PLANE2:
3965 *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_SPRITE_IVB;
3967 case INTEL_PIPE_CRC_SOURCE_PF:
3968 if (IS_HASWELL(dev) && pipe == PIPE_A)
3969 hsw_trans_edp_pipe_A_crc_wa(dev, true);
3971 *val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PF_IVB;
3973 case INTEL_PIPE_CRC_SOURCE_NONE:
3983 static int pipe_crc_set_source(struct drm_device *dev, enum pipe pipe,
3984 enum intel_pipe_crc_source source)
3986 struct drm_i915_private *dev_priv = dev->dev_private;
3987 struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe];
3988 struct intel_crtc *crtc = to_intel_crtc(intel_get_crtc_for_pipe(dev,
3990 u32 val = 0; /* shut up gcc */
3993 if (pipe_crc->source == source)
3996 /* forbid changing the source without going back to 'none' */
3997 if (pipe_crc->source && source)
4000 if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_PIPE(pipe))) {
4001 DRM_DEBUG_KMS("Trying to capture CRC while pipe is off\n");
4006 ret = i8xx_pipe_crc_ctl_reg(&source, &val);
4007 else if (INTEL_INFO(dev)->gen < 5)
4008 ret = i9xx_pipe_crc_ctl_reg(dev, pipe, &source, &val);
4009 else if (IS_VALLEYVIEW(dev))
4010 ret = vlv_pipe_crc_ctl_reg(dev, pipe, &source, &val);
4011 else if (IS_GEN5(dev) || IS_GEN6(dev))
4012 ret = ilk_pipe_crc_ctl_reg(&source, &val);
4014 ret = ivb_pipe_crc_ctl_reg(dev, pipe, &source, &val);
4019 /* none -> real source transition */
4021 struct intel_pipe_crc_entry *entries;
4023 DRM_DEBUG_DRIVER("collecting CRCs for pipe %c, %s\n",
4024 pipe_name(pipe), pipe_crc_source_name(source));
4026 entries = kcalloc(INTEL_PIPE_CRC_ENTRIES_NR,
4027 sizeof(pipe_crc->entries[0]),
4033 * When IPS gets enabled, the pipe CRC changes. Since IPS gets
4034 * enabled and disabled dynamically based on package C states,
4035 * user space can't make reliable use of the CRCs, so let's just
4036 * completely disable it.
4038 hsw_disable_ips(crtc);
4040 spin_lock_irq(&pipe_crc->lock);
4041 kfree(pipe_crc->entries);
4042 pipe_crc->entries = entries;
4045 spin_unlock_irq(&pipe_crc->lock);
4048 pipe_crc->source = source;
4050 I915_WRITE(PIPE_CRC_CTL(pipe), val);
4051 POSTING_READ(PIPE_CRC_CTL(pipe));
4053 /* real source -> none transition */
4054 if (source == INTEL_PIPE_CRC_SOURCE_NONE) {
4055 struct intel_pipe_crc_entry *entries;
4056 struct intel_crtc *crtc =
4057 to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]);
4059 DRM_DEBUG_DRIVER("stopping CRCs for pipe %c\n",
4062 drm_modeset_lock(&crtc->base.mutex, NULL);
4063 if (crtc->base.state->active)
4064 intel_wait_for_vblank(dev, pipe);
4065 drm_modeset_unlock(&crtc->base.mutex);
4067 spin_lock_irq(&pipe_crc->lock);
4068 entries = pipe_crc->entries;
4069 pipe_crc->entries = NULL;
4072 spin_unlock_irq(&pipe_crc->lock);
4077 g4x_undo_pipe_scramble_reset(dev, pipe);
4078 else if (IS_VALLEYVIEW(dev))
4079 vlv_undo_pipe_scramble_reset(dev, pipe);
4080 else if (IS_HASWELL(dev) && pipe == PIPE_A)
4081 hsw_trans_edp_pipe_A_crc_wa(dev, false);
4083 hsw_enable_ips(crtc);
4090 * Parse pipe CRC command strings:
4091 * command: wsp* object wsp+ name wsp+ source wsp*
4094 * source: (none | plane1 | plane2 | pf)
4095 * wsp: (#0x20 | #0x9 | #0xA)+
4098 * "pipe A plane1" -> Start CRC computations on plane1 of pipe A
4099 * "pipe A none" -> Stop CRC
4101 static int display_crc_ctl_tokenize(char *buf, char *words[], int max_words)
4108 /* skip leading white space */
4109 buf = skip_spaces(buf);
4111 break; /* end of buffer */
4113 /* find end of word */
4114 for (end = buf; *end && !isspace(*end); end++)
4117 if (n_words == max_words) {
4118 DRM_DEBUG_DRIVER("too many words, allowed <= %d\n",
4120 return -EINVAL; /* ran out of words[] before bytes */
4125 words[n_words++] = buf;
4132 enum intel_pipe_crc_object {
4133 PIPE_CRC_OBJECT_PIPE,
4136 static const char * const pipe_crc_objects[] = {
4141 display_crc_ctl_parse_object(const char *buf, enum intel_pipe_crc_object *o)
4145 for (i = 0; i < ARRAY_SIZE(pipe_crc_objects); i++)
4146 if (!strcmp(buf, pipe_crc_objects[i])) {
4154 static int display_crc_ctl_parse_pipe(const char *buf, enum pipe *pipe)
4156 const char name = buf[0];
4158 if (name < 'A' || name >= pipe_name(I915_MAX_PIPES))
4167 display_crc_ctl_parse_source(const char *buf, enum intel_pipe_crc_source *s)
4171 for (i = 0; i < ARRAY_SIZE(pipe_crc_sources); i++)
4172 if (!strcmp(buf, pipe_crc_sources[i])) {
4180 static int display_crc_ctl_parse(struct drm_device *dev, char *buf, size_t len)
4184 char *words[N_WORDS];
4186 enum intel_pipe_crc_object object;
4187 enum intel_pipe_crc_source source;
4189 n_words = display_crc_ctl_tokenize(buf, words, N_WORDS);
4190 if (n_words != N_WORDS) {
4191 DRM_DEBUG_DRIVER("tokenize failed, a command is %d words\n",
4196 if (display_crc_ctl_parse_object(words[0], &object) < 0) {
4197 DRM_DEBUG_DRIVER("unknown object %s\n", words[0]);
4201 if (display_crc_ctl_parse_pipe(words[1], &pipe) < 0) {
4202 DRM_DEBUG_DRIVER("unknown pipe %s\n", words[1]);
4206 if (display_crc_ctl_parse_source(words[2], &source) < 0) {
4207 DRM_DEBUG_DRIVER("unknown source %s\n", words[2]);
4211 return pipe_crc_set_source(dev, pipe, source);
4214 static ssize_t display_crc_ctl_write(struct file *file, const char __user *ubuf,
4215 size_t len, loff_t *offp)
4217 struct seq_file *m = file->private_data;
4218 struct drm_device *dev = m->private;
4225 if (len > PAGE_SIZE - 1) {
4226 DRM_DEBUG_DRIVER("expected <%lu bytes into pipe crc control\n",
4231 tmpbuf = kmalloc(len + 1, GFP_KERNEL);
4235 if (copy_from_user(tmpbuf, ubuf, len)) {
4241 ret = display_crc_ctl_parse(dev, tmpbuf, len);
4252 static const struct file_operations i915_display_crc_ctl_fops = {
4253 .owner = THIS_MODULE,
4254 .open = display_crc_ctl_open,
4256 .llseek = seq_lseek,
4257 .release = single_release,
4258 .write = display_crc_ctl_write
4261 static ssize_t i915_displayport_test_active_write(struct file *file,
4262 const char __user *ubuf,
4263 size_t len, loff_t *offp)
4267 struct drm_device *dev;
4268 struct drm_connector *connector;
4269 struct list_head *connector_list;
4270 struct intel_dp *intel_dp;
4273 dev = ((struct seq_file *)file->private_data)->private;
4275 connector_list = &dev->mode_config.connector_list;
4280 input_buffer = kmalloc(len + 1, GFP_KERNEL);
4284 if (copy_from_user(input_buffer, ubuf, len)) {
4289 input_buffer[len] = '\0';
4290 DRM_DEBUG_DRIVER("Copied %d bytes from user\n", (unsigned int)len);
4292 list_for_each_entry(connector, connector_list, head) {
4294 if (connector->connector_type !=
4295 DRM_MODE_CONNECTOR_DisplayPort)
4298 if (connector->status == connector_status_connected &&
4299 connector->encoder != NULL) {
4300 intel_dp = enc_to_intel_dp(connector->encoder);
4301 status = kstrtoint(input_buffer, 10, &val);
4304 DRM_DEBUG_DRIVER("Got %d for test active\n", val);
4305 /* To prevent erroneous activation of the compliance
4306 * testing code, only accept an actual value of 1 here
4309 intel_dp->compliance_test_active = 1;
4311 intel_dp->compliance_test_active = 0;
4315 kfree(input_buffer);
4323 static int i915_displayport_test_active_show(struct seq_file *m, void *data)
4325 struct drm_device *dev = m->private;
4326 struct drm_connector *connector;
4327 struct list_head *connector_list = &dev->mode_config.connector_list;
4328 struct intel_dp *intel_dp;
4330 list_for_each_entry(connector, connector_list, head) {
4332 if (connector->connector_type !=
4333 DRM_MODE_CONNECTOR_DisplayPort)
4336 if (connector->status == connector_status_connected &&
4337 connector->encoder != NULL) {
4338 intel_dp = enc_to_intel_dp(connector->encoder);
4339 if (intel_dp->compliance_test_active)
4350 static int i915_displayport_test_active_open(struct inode *inode,
4353 struct drm_device *dev = inode->i_private;
4355 return single_open(file, i915_displayport_test_active_show, dev);
4358 static const struct file_operations i915_displayport_test_active_fops = {
4359 .owner = THIS_MODULE,
4360 .open = i915_displayport_test_active_open,
4362 .llseek = seq_lseek,
4363 .release = single_release,
4364 .write = i915_displayport_test_active_write
4367 static int i915_displayport_test_data_show(struct seq_file *m, void *data)
4369 struct drm_device *dev = m->private;
4370 struct drm_connector *connector;
4371 struct list_head *connector_list = &dev->mode_config.connector_list;
4372 struct intel_dp *intel_dp;
4374 list_for_each_entry(connector, connector_list, head) {
4376 if (connector->connector_type !=
4377 DRM_MODE_CONNECTOR_DisplayPort)
4380 if (connector->status == connector_status_connected &&
4381 connector->encoder != NULL) {
4382 intel_dp = enc_to_intel_dp(connector->encoder);
4383 seq_printf(m, "%lx", intel_dp->compliance_test_data);
4390 static int i915_displayport_test_data_open(struct inode *inode,
4393 struct drm_device *dev = inode->i_private;
4395 return single_open(file, i915_displayport_test_data_show, dev);
4398 static const struct file_operations i915_displayport_test_data_fops = {
4399 .owner = THIS_MODULE,
4400 .open = i915_displayport_test_data_open,
4402 .llseek = seq_lseek,
4403 .release = single_release
4406 static int i915_displayport_test_type_show(struct seq_file *m, void *data)
4408 struct drm_device *dev = m->private;
4409 struct drm_connector *connector;
4410 struct list_head *connector_list = &dev->mode_config.connector_list;
4411 struct intel_dp *intel_dp;
4413 list_for_each_entry(connector, connector_list, head) {
4415 if (connector->connector_type !=
4416 DRM_MODE_CONNECTOR_DisplayPort)
4419 if (connector->status == connector_status_connected &&
4420 connector->encoder != NULL) {
4421 intel_dp = enc_to_intel_dp(connector->encoder);
4422 seq_printf(m, "%02lx", intel_dp->compliance_test_type);
4430 static int i915_displayport_test_type_open(struct inode *inode,
4433 struct drm_device *dev = inode->i_private;
4435 return single_open(file, i915_displayport_test_type_show, dev);
4438 static const struct file_operations i915_displayport_test_type_fops = {
4439 .owner = THIS_MODULE,
4440 .open = i915_displayport_test_type_open,
4442 .llseek = seq_lseek,
4443 .release = single_release
4446 static void wm_latency_show(struct seq_file *m, const uint16_t wm[8])
4448 struct drm_device *dev = m->private;
4452 if (IS_CHERRYVIEW(dev))
4454 else if (IS_VALLEYVIEW(dev))
4457 num_levels = ilk_wm_max_level(dev) + 1;
4459 drm_modeset_lock_all(dev);
4461 for (level = 0; level < num_levels; level++) {
4462 unsigned int latency = wm[level];
4465 * - WM1+ latency values in 0.5us units
4466 * - latencies are in us on gen9/vlv/chv
4468 if (INTEL_INFO(dev)->gen >= 9 || IS_VALLEYVIEW(dev))
4473 seq_printf(m, "WM%d %u (%u.%u usec)\n",
4474 level, wm[level], latency / 10, latency % 10);
4477 drm_modeset_unlock_all(dev);
4480 static int pri_wm_latency_show(struct seq_file *m, void *data)
4482 struct drm_device *dev = m->private;
4483 struct drm_i915_private *dev_priv = dev->dev_private;
4484 const uint16_t *latencies;
4486 if (INTEL_INFO(dev)->gen >= 9)
4487 latencies = dev_priv->wm.skl_latency;
4489 latencies = to_i915(dev)->wm.pri_latency;
4491 wm_latency_show(m, latencies);
4496 static int spr_wm_latency_show(struct seq_file *m, void *data)
4498 struct drm_device *dev = m->private;
4499 struct drm_i915_private *dev_priv = dev->dev_private;
4500 const uint16_t *latencies;
4502 if (INTEL_INFO(dev)->gen >= 9)
4503 latencies = dev_priv->wm.skl_latency;
4505 latencies = to_i915(dev)->wm.spr_latency;
4507 wm_latency_show(m, latencies);
4512 static int cur_wm_latency_show(struct seq_file *m, void *data)
4514 struct drm_device *dev = m->private;
4515 struct drm_i915_private *dev_priv = dev->dev_private;
4516 const uint16_t *latencies;
4518 if (INTEL_INFO(dev)->gen >= 9)
4519 latencies = dev_priv->wm.skl_latency;
4521 latencies = to_i915(dev)->wm.cur_latency;
4523 wm_latency_show(m, latencies);
4528 static int pri_wm_latency_open(struct inode *inode, struct file *file)
4530 struct drm_device *dev = inode->i_private;
4532 if (INTEL_INFO(dev)->gen < 5)
4535 return single_open(file, pri_wm_latency_show, dev);
4538 static int spr_wm_latency_open(struct inode *inode, struct file *file)
4540 struct drm_device *dev = inode->i_private;
4542 if (HAS_GMCH_DISPLAY(dev))
4545 return single_open(file, spr_wm_latency_show, dev);
4548 static int cur_wm_latency_open(struct inode *inode, struct file *file)
4550 struct drm_device *dev = inode->i_private;
4552 if (HAS_GMCH_DISPLAY(dev))
4555 return single_open(file, cur_wm_latency_show, dev);
4558 static ssize_t wm_latency_write(struct file *file, const char __user *ubuf,
4559 size_t len, loff_t *offp, uint16_t wm[8])
4561 struct seq_file *m = file->private_data;
4562 struct drm_device *dev = m->private;
4563 uint16_t new[8] = { 0 };
4569 if (IS_CHERRYVIEW(dev))
4571 else if (IS_VALLEYVIEW(dev))
4574 num_levels = ilk_wm_max_level(dev) + 1;
4576 if (len >= sizeof(tmp))
4579 if (copy_from_user(tmp, ubuf, len))
4584 ret = sscanf(tmp, "%hu %hu %hu %hu %hu %hu %hu %hu",
4585 &new[0], &new[1], &new[2], &new[3],
4586 &new[4], &new[5], &new[6], &new[7]);
4587 if (ret != num_levels)
4590 drm_modeset_lock_all(dev);
4592 for (level = 0; level < num_levels; level++)
4593 wm[level] = new[level];
4595 drm_modeset_unlock_all(dev);
4601 static ssize_t pri_wm_latency_write(struct file *file, const char __user *ubuf,
4602 size_t len, loff_t *offp)
4604 struct seq_file *m = file->private_data;
4605 struct drm_device *dev = m->private;
4606 struct drm_i915_private *dev_priv = dev->dev_private;
4607 uint16_t *latencies;
4609 if (INTEL_INFO(dev)->gen >= 9)
4610 latencies = dev_priv->wm.skl_latency;
4612 latencies = to_i915(dev)->wm.pri_latency;
4614 return wm_latency_write(file, ubuf, len, offp, latencies);
4617 static ssize_t spr_wm_latency_write(struct file *file, const char __user *ubuf,
4618 size_t len, loff_t *offp)
4620 struct seq_file *m = file->private_data;
4621 struct drm_device *dev = m->private;
4622 struct drm_i915_private *dev_priv = dev->dev_private;
4623 uint16_t *latencies;
4625 if (INTEL_INFO(dev)->gen >= 9)
4626 latencies = dev_priv->wm.skl_latency;
4628 latencies = to_i915(dev)->wm.spr_latency;
4630 return wm_latency_write(file, ubuf, len, offp, latencies);
4633 static ssize_t cur_wm_latency_write(struct file *file, const char __user *ubuf,
4634 size_t len, loff_t *offp)
4636 struct seq_file *m = file->private_data;
4637 struct drm_device *dev = m->private;
4638 struct drm_i915_private *dev_priv = dev->dev_private;
4639 uint16_t *latencies;
4641 if (INTEL_INFO(dev)->gen >= 9)
4642 latencies = dev_priv->wm.skl_latency;
4644 latencies = to_i915(dev)->wm.cur_latency;
4646 return wm_latency_write(file, ubuf, len, offp, latencies);
4649 static const struct file_operations i915_pri_wm_latency_fops = {
4650 .owner = THIS_MODULE,
4651 .open = pri_wm_latency_open,
4653 .llseek = seq_lseek,
4654 .release = single_release,
4655 .write = pri_wm_latency_write
4658 static const struct file_operations i915_spr_wm_latency_fops = {
4659 .owner = THIS_MODULE,
4660 .open = spr_wm_latency_open,
4662 .llseek = seq_lseek,
4663 .release = single_release,
4664 .write = spr_wm_latency_write
4667 static const struct file_operations i915_cur_wm_latency_fops = {
4668 .owner = THIS_MODULE,
4669 .open = cur_wm_latency_open,
4671 .llseek = seq_lseek,
4672 .release = single_release,
4673 .write = cur_wm_latency_write
4677 i915_wedged_get(void *data, u64 *val)
4679 struct drm_device *dev = data;
4680 struct drm_i915_private *dev_priv = dev->dev_private;
4682 *val = atomic_read(&dev_priv->gpu_error.reset_counter);
4688 i915_wedged_set(void *data, u64 val)
4690 struct drm_device *dev = data;
4691 struct drm_i915_private *dev_priv = dev->dev_private;
4694 * There is no safeguard against this debugfs entry colliding
4695 * with the hangcheck calling same i915_handle_error() in
4696 * parallel, causing an explosion. For now we assume that the
4697 * test harness is responsible enough not to inject gpu hangs
4698 * while it is writing to 'i915_wedged'
4701 if (i915_reset_in_progress(&dev_priv->gpu_error))
4704 intel_runtime_pm_get(dev_priv);
4706 i915_handle_error(dev, val,
4707 "Manually setting wedged to %llu", val);
4709 intel_runtime_pm_put(dev_priv);
4714 DEFINE_SIMPLE_ATTRIBUTE(i915_wedged_fops,
4715 i915_wedged_get, i915_wedged_set,
4719 i915_ring_stop_get(void *data, u64 *val)
4721 struct drm_device *dev = data;
4722 struct drm_i915_private *dev_priv = dev->dev_private;
4724 *val = dev_priv->gpu_error.stop_rings;
4730 i915_ring_stop_set(void *data, u64 val)
4732 struct drm_device *dev = data;
4733 struct drm_i915_private *dev_priv = dev->dev_private;
4736 DRM_DEBUG_DRIVER("Stopping rings 0x%08llx\n", val);
4738 ret = mutex_lock_interruptible(&dev->struct_mutex);
4742 dev_priv->gpu_error.stop_rings = val;
4743 mutex_unlock(&dev->struct_mutex);
4748 DEFINE_SIMPLE_ATTRIBUTE(i915_ring_stop_fops,
4749 i915_ring_stop_get, i915_ring_stop_set,
4753 i915_ring_missed_irq_get(void *data, u64 *val)
4755 struct drm_device *dev = data;
4756 struct drm_i915_private *dev_priv = dev->dev_private;
4758 *val = dev_priv->gpu_error.missed_irq_rings;
4763 i915_ring_missed_irq_set(void *data, u64 val)
4765 struct drm_device *dev = data;
4766 struct drm_i915_private *dev_priv = dev->dev_private;
4769 /* Lock against concurrent debugfs callers */
4770 ret = mutex_lock_interruptible(&dev->struct_mutex);
4773 dev_priv->gpu_error.missed_irq_rings = val;
4774 mutex_unlock(&dev->struct_mutex);
4779 DEFINE_SIMPLE_ATTRIBUTE(i915_ring_missed_irq_fops,
4780 i915_ring_missed_irq_get, i915_ring_missed_irq_set,
4784 i915_ring_test_irq_get(void *data, u64 *val)
4786 struct drm_device *dev = data;
4787 struct drm_i915_private *dev_priv = dev->dev_private;
4789 *val = dev_priv->gpu_error.test_irq_rings;
4795 i915_ring_test_irq_set(void *data, u64 val)
4797 struct drm_device *dev = data;
4798 struct drm_i915_private *dev_priv = dev->dev_private;
4801 DRM_DEBUG_DRIVER("Masking interrupts on rings 0x%08llx\n", val);
4803 /* Lock against concurrent debugfs callers */
4804 ret = mutex_lock_interruptible(&dev->struct_mutex);
4808 dev_priv->gpu_error.test_irq_rings = val;
4809 mutex_unlock(&dev->struct_mutex);
4814 DEFINE_SIMPLE_ATTRIBUTE(i915_ring_test_irq_fops,
4815 i915_ring_test_irq_get, i915_ring_test_irq_set,
4818 #define DROP_UNBOUND 0x1
4819 #define DROP_BOUND 0x2
4820 #define DROP_RETIRE 0x4
4821 #define DROP_ACTIVE 0x8
4822 #define DROP_ALL (DROP_UNBOUND | \
4827 i915_drop_caches_get(void *data, u64 *val)
4835 i915_drop_caches_set(void *data, u64 val)
4837 struct drm_device *dev = data;
4838 struct drm_i915_private *dev_priv = dev->dev_private;
4841 DRM_DEBUG("Dropping caches: 0x%08llx\n", val);
4843 /* No need to check and wait for gpu resets, only libdrm auto-restarts
4844 * on ioctls on -EAGAIN. */
4845 ret = mutex_lock_interruptible(&dev->struct_mutex);
4849 if (val & DROP_ACTIVE) {
4850 ret = i915_gpu_idle(dev);
4855 if (val & (DROP_RETIRE | DROP_ACTIVE))
4856 i915_gem_retire_requests(dev);
4858 if (val & DROP_BOUND)
4859 i915_gem_shrink(dev_priv, LONG_MAX, I915_SHRINK_BOUND);
4861 if (val & DROP_UNBOUND)
4862 i915_gem_shrink(dev_priv, LONG_MAX, I915_SHRINK_UNBOUND);
4865 mutex_unlock(&dev->struct_mutex);
4870 DEFINE_SIMPLE_ATTRIBUTE(i915_drop_caches_fops,
4871 i915_drop_caches_get, i915_drop_caches_set,
4875 i915_max_freq_get(void *data, u64 *val)
4877 struct drm_device *dev = data;
4878 struct drm_i915_private *dev_priv = dev->dev_private;
4881 if (INTEL_INFO(dev)->gen < 6)
4884 flush_delayed_work(&dev_priv->rps.delayed_resume_work);
4886 ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock);
4890 *val = intel_gpu_freq(dev_priv, dev_priv->rps.max_freq_softlimit);
4891 mutex_unlock(&dev_priv->rps.hw_lock);
4897 i915_max_freq_set(void *data, u64 val)
4899 struct drm_device *dev = data;
4900 struct drm_i915_private *dev_priv = dev->dev_private;
4904 if (INTEL_INFO(dev)->gen < 6)
4907 flush_delayed_work(&dev_priv->rps.delayed_resume_work);
4909 DRM_DEBUG_DRIVER("Manually setting max freq to %llu\n", val);
4911 ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock);
4916 * Turbo will still be enabled, but won't go above the set value.
4918 val = intel_freq_opcode(dev_priv, val);
4920 hw_max = dev_priv->rps.max_freq;
4921 hw_min = dev_priv->rps.min_freq;
4923 if (val < hw_min || val > hw_max || val < dev_priv->rps.min_freq_softlimit) {
4924 mutex_unlock(&dev_priv->rps.hw_lock);
4928 dev_priv->rps.max_freq_softlimit = val;
4930 intel_set_rps(dev, val);
4932 mutex_unlock(&dev_priv->rps.hw_lock);
4937 DEFINE_SIMPLE_ATTRIBUTE(i915_max_freq_fops,
4938 i915_max_freq_get, i915_max_freq_set,
4942 i915_min_freq_get(void *data, u64 *val)
4944 struct drm_device *dev = data;
4945 struct drm_i915_private *dev_priv = dev->dev_private;
4948 if (INTEL_INFO(dev)->gen < 6)
4951 flush_delayed_work(&dev_priv->rps.delayed_resume_work);
4953 ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock);
4957 *val = intel_gpu_freq(dev_priv, dev_priv->rps.min_freq_softlimit);
4958 mutex_unlock(&dev_priv->rps.hw_lock);
4964 i915_min_freq_set(void *data, u64 val)
4966 struct drm_device *dev = data;
4967 struct drm_i915_private *dev_priv = dev->dev_private;
4971 if (INTEL_INFO(dev)->gen < 6)
4974 flush_delayed_work(&dev_priv->rps.delayed_resume_work);
4976 DRM_DEBUG_DRIVER("Manually setting min freq to %llu\n", val);
4978 ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock);
4983 * Turbo will still be enabled, but won't go below the set value.
4985 val = intel_freq_opcode(dev_priv, val);
4987 hw_max = dev_priv->rps.max_freq;
4988 hw_min = dev_priv->rps.min_freq;
4990 if (val < hw_min || val > hw_max || val > dev_priv->rps.max_freq_softlimit) {
4991 mutex_unlock(&dev_priv->rps.hw_lock);
4995 dev_priv->rps.min_freq_softlimit = val;
4997 intel_set_rps(dev, val);
4999 mutex_unlock(&dev_priv->rps.hw_lock);
5004 DEFINE_SIMPLE_ATTRIBUTE(i915_min_freq_fops,
5005 i915_min_freq_get, i915_min_freq_set,
5009 i915_cache_sharing_get(void *data, u64 *val)
5011 struct drm_device *dev = data;
5012 struct drm_i915_private *dev_priv = dev->dev_private;
5016 if (!(IS_GEN6(dev) || IS_GEN7(dev)))
5019 ret = mutex_lock_interruptible(&dev->struct_mutex);
5022 intel_runtime_pm_get(dev_priv);
5024 snpcr = I915_READ(GEN6_MBCUNIT_SNPCR);
5026 intel_runtime_pm_put(dev_priv);
5027 mutex_unlock(&dev_priv->dev->struct_mutex);
5029 *val = (snpcr & GEN6_MBC_SNPCR_MASK) >> GEN6_MBC_SNPCR_SHIFT;
5035 i915_cache_sharing_set(void *data, u64 val)
5037 struct drm_device *dev = data;
5038 struct drm_i915_private *dev_priv = dev->dev_private;
5041 if (!(IS_GEN6(dev) || IS_GEN7(dev)))
5047 intel_runtime_pm_get(dev_priv);
5048 DRM_DEBUG_DRIVER("Manually setting uncore sharing to %llu\n", val);
5050 /* Update the cache sharing policy here as well */
5051 snpcr = I915_READ(GEN6_MBCUNIT_SNPCR);
5052 snpcr &= ~GEN6_MBC_SNPCR_MASK;
5053 snpcr |= (val << GEN6_MBC_SNPCR_SHIFT);
5054 I915_WRITE(GEN6_MBCUNIT_SNPCR, snpcr);
5056 intel_runtime_pm_put(dev_priv);
5060 DEFINE_SIMPLE_ATTRIBUTE(i915_cache_sharing_fops,
5061 i915_cache_sharing_get, i915_cache_sharing_set,
5064 struct sseu_dev_status {
5065 unsigned int slice_total;
5066 unsigned int subslice_total;
5067 unsigned int subslice_per_slice;
5068 unsigned int eu_total;
5069 unsigned int eu_per_subslice;
5072 static void cherryview_sseu_device_status(struct drm_device *dev,
5073 struct sseu_dev_status *stat)
5075 struct drm_i915_private *dev_priv = dev->dev_private;
5078 u32 sig1[ss_max], sig2[ss_max];
5080 sig1[0] = I915_READ(CHV_POWER_SS0_SIG1);
5081 sig1[1] = I915_READ(CHV_POWER_SS1_SIG1);
5082 sig2[0] = I915_READ(CHV_POWER_SS0_SIG2);
5083 sig2[1] = I915_READ(CHV_POWER_SS1_SIG2);
5085 for (ss = 0; ss < ss_max; ss++) {
5086 unsigned int eu_cnt;
5088 if (sig1[ss] & CHV_SS_PG_ENABLE)
5089 /* skip disabled subslice */
5092 stat->slice_total = 1;
5093 stat->subslice_per_slice++;
5094 eu_cnt = ((sig1[ss] & CHV_EU08_PG_ENABLE) ? 0 : 2) +
5095 ((sig1[ss] & CHV_EU19_PG_ENABLE) ? 0 : 2) +
5096 ((sig1[ss] & CHV_EU210_PG_ENABLE) ? 0 : 2) +
5097 ((sig2[ss] & CHV_EU311_PG_ENABLE) ? 0 : 2);
5098 stat->eu_total += eu_cnt;
5099 stat->eu_per_subslice = max(stat->eu_per_subslice, eu_cnt);
5101 stat->subslice_total = stat->subslice_per_slice;
5104 static void gen9_sseu_device_status(struct drm_device *dev,
5105 struct sseu_dev_status *stat)
5107 struct drm_i915_private *dev_priv = dev->dev_private;
5108 int s_max = 3, ss_max = 4;
5110 u32 s_reg[s_max], eu_reg[2*s_max], eu_mask[2];
5112 /* BXT has a single slice and at most 3 subslices. */
5113 if (IS_BROXTON(dev)) {
5118 for (s = 0; s < s_max; s++) {
5119 s_reg[s] = I915_READ(GEN9_SLICE_PGCTL_ACK(s));
5120 eu_reg[2*s] = I915_READ(GEN9_SS01_EU_PGCTL_ACK(s));
5121 eu_reg[2*s + 1] = I915_READ(GEN9_SS23_EU_PGCTL_ACK(s));
5124 eu_mask[0] = GEN9_PGCTL_SSA_EU08_ACK |
5125 GEN9_PGCTL_SSA_EU19_ACK |
5126 GEN9_PGCTL_SSA_EU210_ACK |
5127 GEN9_PGCTL_SSA_EU311_ACK;
5128 eu_mask[1] = GEN9_PGCTL_SSB_EU08_ACK |
5129 GEN9_PGCTL_SSB_EU19_ACK |
5130 GEN9_PGCTL_SSB_EU210_ACK |
5131 GEN9_PGCTL_SSB_EU311_ACK;
5133 for (s = 0; s < s_max; s++) {
5134 unsigned int ss_cnt = 0;
5136 if ((s_reg[s] & GEN9_PGCTL_SLICE_ACK) == 0)
5137 /* skip disabled slice */
5140 stat->slice_total++;
5142 if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev))
5143 ss_cnt = INTEL_INFO(dev)->subslice_per_slice;
5145 for (ss = 0; ss < ss_max; ss++) {
5146 unsigned int eu_cnt;
5148 if (IS_BROXTON(dev) &&
5149 !(s_reg[s] & (GEN9_PGCTL_SS_ACK(ss))))
5150 /* skip disabled subslice */
5153 if (IS_BROXTON(dev))
5156 eu_cnt = 2 * hweight32(eu_reg[2*s + ss/2] &
5158 stat->eu_total += eu_cnt;
5159 stat->eu_per_subslice = max(stat->eu_per_subslice,
5163 stat->subslice_total += ss_cnt;
5164 stat->subslice_per_slice = max(stat->subslice_per_slice,
5169 static void broadwell_sseu_device_status(struct drm_device *dev,
5170 struct sseu_dev_status *stat)
5172 struct drm_i915_private *dev_priv = dev->dev_private;
5174 u32 slice_info = I915_READ(GEN8_GT_SLICE_INFO);
5176 stat->slice_total = hweight32(slice_info & GEN8_LSLICESTAT_MASK);
5178 if (stat->slice_total) {
5179 stat->subslice_per_slice = INTEL_INFO(dev)->subslice_per_slice;
5180 stat->subslice_total = stat->slice_total *
5181 stat->subslice_per_slice;
5182 stat->eu_per_subslice = INTEL_INFO(dev)->eu_per_subslice;
5183 stat->eu_total = stat->eu_per_subslice * stat->subslice_total;
5185 /* subtract fused off EU(s) from enabled slice(s) */
5186 for (s = 0; s < stat->slice_total; s++) {
5187 u8 subslice_7eu = INTEL_INFO(dev)->subslice_7eu[s];
5189 stat->eu_total -= hweight8(subslice_7eu);
5194 static int i915_sseu_status(struct seq_file *m, void *unused)
5196 struct drm_info_node *node = (struct drm_info_node *) m->private;
5197 struct drm_device *dev = node->minor->dev;
5198 struct sseu_dev_status stat;
5200 if (INTEL_INFO(dev)->gen < 8)
5203 seq_puts(m, "SSEU Device Info\n");
5204 seq_printf(m, " Available Slice Total: %u\n",
5205 INTEL_INFO(dev)->slice_total);
5206 seq_printf(m, " Available Subslice Total: %u\n",
5207 INTEL_INFO(dev)->subslice_total);
5208 seq_printf(m, " Available Subslice Per Slice: %u\n",
5209 INTEL_INFO(dev)->subslice_per_slice);
5210 seq_printf(m, " Available EU Total: %u\n",
5211 INTEL_INFO(dev)->eu_total);
5212 seq_printf(m, " Available EU Per Subslice: %u\n",
5213 INTEL_INFO(dev)->eu_per_subslice);
5214 seq_printf(m, " Has Slice Power Gating: %s\n",
5215 yesno(INTEL_INFO(dev)->has_slice_pg));
5216 seq_printf(m, " Has Subslice Power Gating: %s\n",
5217 yesno(INTEL_INFO(dev)->has_subslice_pg));
5218 seq_printf(m, " Has EU Power Gating: %s\n",
5219 yesno(INTEL_INFO(dev)->has_eu_pg));
5221 seq_puts(m, "SSEU Device Status\n");
5222 memset(&stat, 0, sizeof(stat));
5223 if (IS_CHERRYVIEW(dev)) {
5224 cherryview_sseu_device_status(dev, &stat);
5225 } else if (IS_BROADWELL(dev)) {
5226 broadwell_sseu_device_status(dev, &stat);
5227 } else if (INTEL_INFO(dev)->gen >= 9) {
5228 gen9_sseu_device_status(dev, &stat);
5230 seq_printf(m, " Enabled Slice Total: %u\n",
5232 seq_printf(m, " Enabled Subslice Total: %u\n",
5233 stat.subslice_total);
5234 seq_printf(m, " Enabled Subslice Per Slice: %u\n",
5235 stat.subslice_per_slice);
5236 seq_printf(m, " Enabled EU Total: %u\n",
5238 seq_printf(m, " Enabled EU Per Subslice: %u\n",
5239 stat.eu_per_subslice);
5244 static int i915_forcewake_open(struct inode *inode, struct file *file)
5246 struct drm_device *dev = inode->i_private;
5247 struct drm_i915_private *dev_priv = dev->dev_private;
5249 if (INTEL_INFO(dev)->gen < 6)
5252 intel_runtime_pm_get(dev_priv);
5253 intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
5258 static int i915_forcewake_release(struct inode *inode, struct file *file)
5260 struct drm_device *dev = inode->i_private;
5261 struct drm_i915_private *dev_priv = dev->dev_private;
5263 if (INTEL_INFO(dev)->gen < 6)
5266 intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
5267 intel_runtime_pm_put(dev_priv);
5272 static const struct file_operations i915_forcewake_fops = {
5273 .owner = THIS_MODULE,
5274 .open = i915_forcewake_open,
5275 .release = i915_forcewake_release,
5278 static int i915_forcewake_create(struct dentry *root, struct drm_minor *minor)
5280 struct drm_device *dev = minor->dev;
5283 ent = debugfs_create_file("i915_forcewake_user",
5286 &i915_forcewake_fops);
5290 return drm_add_fake_info_node(minor, ent, &i915_forcewake_fops);
5293 static int i915_debugfs_create(struct dentry *root,
5294 struct drm_minor *minor,
5296 const struct file_operations *fops)
5298 struct drm_device *dev = minor->dev;
5301 ent = debugfs_create_file(name,
5308 return drm_add_fake_info_node(minor, ent, fops);
5311 static const struct drm_info_list i915_debugfs_list[] = {
5312 {"i915_capabilities", i915_capabilities, 0},
5313 {"i915_gem_objects", i915_gem_object_info, 0},
5314 {"i915_gem_gtt", i915_gem_gtt_info, 0},
5315 {"i915_gem_pinned", i915_gem_gtt_info, 0, (void *) PINNED_LIST},
5316 {"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST},
5317 {"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST},
5318 {"i915_gem_stolen", i915_gem_stolen_list_info },
5319 {"i915_gem_pageflip", i915_gem_pageflip_info, 0},
5320 {"i915_gem_request", i915_gem_request_info, 0},
5321 {"i915_gem_seqno", i915_gem_seqno_info, 0},
5322 {"i915_gem_fence_regs", i915_gem_fence_regs_info, 0},
5323 {"i915_gem_interrupt", i915_interrupt_info, 0},
5324 {"i915_gem_hws", i915_hws_info, 0, (void *)RCS},
5325 {"i915_gem_hws_blt", i915_hws_info, 0, (void *)BCS},
5326 {"i915_gem_hws_bsd", i915_hws_info, 0, (void *)VCS},
5327 {"i915_gem_hws_vebox", i915_hws_info, 0, (void *)VECS},
5328 {"i915_gem_batch_pool", i915_gem_batch_pool_info, 0},
5329 {"i915_guc_info", i915_guc_info, 0},
5330 {"i915_guc_load_status", i915_guc_load_status_info, 0},
5331 {"i915_guc_log_dump", i915_guc_log_dump, 0},
5332 {"i915_frequency_info", i915_frequency_info, 0},
5333 {"i915_hangcheck_info", i915_hangcheck_info, 0},
5334 {"i915_drpc_info", i915_drpc_info, 0},
5335 {"i915_emon_status", i915_emon_status, 0},
5336 {"i915_ring_freq_table", i915_ring_freq_table, 0},
5337 {"i915_frontbuffer_tracking", i915_frontbuffer_tracking, 0},
5338 {"i915_fbc_status", i915_fbc_status, 0},
5339 {"i915_ips_status", i915_ips_status, 0},
5340 {"i915_sr_status", i915_sr_status, 0},
5341 {"i915_opregion", i915_opregion, 0},
5342 {"i915_gem_framebuffer", i915_gem_framebuffer_info, 0},
5343 {"i915_context_status", i915_context_status, 0},
5344 {"i915_dump_lrc", i915_dump_lrc, 0},
5345 {"i915_execlists", i915_execlists, 0},
5346 {"i915_forcewake_domains", i915_forcewake_domains, 0},
5347 {"i915_swizzle_info", i915_swizzle_info, 0},
5348 {"i915_ppgtt_info", i915_ppgtt_info, 0},
5349 {"i915_llc", i915_llc, 0},
5350 {"i915_edp_psr_status", i915_edp_psr_status, 0},
5351 {"i915_sink_crc_eDP1", i915_sink_crc, 0},
5352 {"i915_energy_uJ", i915_energy_uJ, 0},
5353 {"i915_runtime_pm_status", i915_runtime_pm_status, 0},
5354 {"i915_power_domain_info", i915_power_domain_info, 0},
5355 {"i915_display_info", i915_display_info, 0},
5356 {"i915_semaphore_status", i915_semaphore_status, 0},
5357 {"i915_shared_dplls_info", i915_shared_dplls_info, 0},
5358 {"i915_dp_mst_info", i915_dp_mst_info, 0},
5359 {"i915_wa_registers", i915_wa_registers, 0},
5360 {"i915_ddb_info", i915_ddb_info, 0},
5361 {"i915_sseu_status", i915_sseu_status, 0},
5362 {"i915_drrs_status", i915_drrs_status, 0},
5363 {"i915_rps_boost_info", i915_rps_boost_info, 0},
5365 #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
5367 static const struct i915_debugfs_files {
5369 const struct file_operations *fops;
5370 } i915_debugfs_files[] = {
5371 {"i915_wedged", &i915_wedged_fops},
5372 {"i915_max_freq", &i915_max_freq_fops},
5373 {"i915_min_freq", &i915_min_freq_fops},
5374 {"i915_cache_sharing", &i915_cache_sharing_fops},
5375 {"i915_ring_stop", &i915_ring_stop_fops},
5376 {"i915_ring_missed_irq", &i915_ring_missed_irq_fops},
5377 {"i915_ring_test_irq", &i915_ring_test_irq_fops},
5378 {"i915_gem_drop_caches", &i915_drop_caches_fops},
5379 {"i915_error_state", &i915_error_state_fops},
5380 {"i915_next_seqno", &i915_next_seqno_fops},
5381 {"i915_display_crc_ctl", &i915_display_crc_ctl_fops},
5382 {"i915_pri_wm_latency", &i915_pri_wm_latency_fops},
5383 {"i915_spr_wm_latency", &i915_spr_wm_latency_fops},
5384 {"i915_cur_wm_latency", &i915_cur_wm_latency_fops},
5385 {"i915_fbc_false_color", &i915_fbc_fc_fops},
5386 {"i915_dp_test_data", &i915_displayport_test_data_fops},
5387 {"i915_dp_test_type", &i915_displayport_test_type_fops},
5388 {"i915_dp_test_active", &i915_displayport_test_active_fops}
5391 void intel_display_crc_init(struct drm_device *dev)
5393 struct drm_i915_private *dev_priv = dev->dev_private;
5396 for_each_pipe(dev_priv, pipe) {
5397 struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe];
5399 pipe_crc->opened = false;
5400 spin_lock_init(&pipe_crc->lock);
5401 init_waitqueue_head(&pipe_crc->wq);
5405 int i915_debugfs_init(struct drm_minor *minor)
5409 ret = i915_forcewake_create(minor->debugfs_root, minor);
5413 for (i = 0; i < ARRAY_SIZE(i915_pipe_crc_data); i++) {
5414 ret = i915_pipe_crc_create(minor->debugfs_root, minor, i);
5419 for (i = 0; i < ARRAY_SIZE(i915_debugfs_files); i++) {
5420 ret = i915_debugfs_create(minor->debugfs_root, minor,
5421 i915_debugfs_files[i].name,
5422 i915_debugfs_files[i].fops);
5427 return drm_debugfs_create_files(i915_debugfs_list,
5428 I915_DEBUGFS_ENTRIES,
5429 minor->debugfs_root, minor);
5432 void i915_debugfs_cleanup(struct drm_minor *minor)
5436 drm_debugfs_remove_files(i915_debugfs_list,
5437 I915_DEBUGFS_ENTRIES, minor);
5439 drm_debugfs_remove_files((struct drm_info_list *) &i915_forcewake_fops,
5442 for (i = 0; i < ARRAY_SIZE(i915_pipe_crc_data); i++) {
5443 struct drm_info_list *info_list =
5444 (struct drm_info_list *)&i915_pipe_crc_data[i];
5446 drm_debugfs_remove_files(info_list, 1, minor);
5449 for (i = 0; i < ARRAY_SIZE(i915_debugfs_files); i++) {
5450 struct drm_info_list *info_list =
5451 (struct drm_info_list *) i915_debugfs_files[i].fops;
5453 drm_debugfs_remove_files(info_list, 1, minor);
5458 /* DPCD dump start address. */
5459 unsigned int offset;
5460 /* DPCD dump end address, inclusive. If unset, .size will be used. */
5462 /* DPCD dump size. Used if .end is unset. If unset, defaults to 1. */
5464 /* Only valid for eDP. */
5468 static const struct dpcd_block i915_dpcd_debug[] = {
5469 { .offset = DP_DPCD_REV, .size = DP_RECEIVER_CAP_SIZE },
5470 { .offset = DP_PSR_SUPPORT, .end = DP_PSR_CAPS },
5471 { .offset = DP_DOWNSTREAM_PORT_0, .size = 16 },
5472 { .offset = DP_LINK_BW_SET, .end = DP_EDP_CONFIGURATION_SET },
5473 { .offset = DP_SINK_COUNT, .end = DP_ADJUST_REQUEST_LANE2_3 },
5474 { .offset = DP_SET_POWER },
5475 { .offset = DP_EDP_DPCD_REV },
5476 { .offset = DP_EDP_GENERAL_CAP_1, .end = DP_EDP_GENERAL_CAP_3 },
5477 { .offset = DP_EDP_DISPLAY_CONTROL_REGISTER, .end = DP_EDP_BACKLIGHT_FREQ_CAP_MAX_LSB },
5478 { .offset = DP_EDP_DBC_MINIMUM_BRIGHTNESS_SET, .end = DP_EDP_DBC_MAXIMUM_BRIGHTNESS_SET },
5481 static int i915_dpcd_show(struct seq_file *m, void *data)
5483 struct drm_connector *connector = m->private;
5484 struct intel_dp *intel_dp =
5485 enc_to_intel_dp(&intel_attached_encoder(connector)->base);
5490 if (connector->status != connector_status_connected)
5493 for (i = 0; i < ARRAY_SIZE(i915_dpcd_debug); i++) {
5494 const struct dpcd_block *b = &i915_dpcd_debug[i];
5495 size_t size = b->end ? b->end - b->offset + 1 : (b->size ?: 1);
5498 connector->connector_type != DRM_MODE_CONNECTOR_eDP)
5501 /* low tech for now */
5502 if (WARN_ON(size > sizeof(buf)))
5505 err = drm_dp_dpcd_read(&intel_dp->aux, b->offset, buf, size);
5507 DRM_ERROR("dpcd read (%zu bytes at %u) failed (%zd)\n",
5508 size, b->offset, err);
5512 seq_printf(m, "%04x: %*ph\n", b->offset, (int) size, buf);
5518 static int i915_dpcd_open(struct inode *inode, struct file *file)
5520 return single_open(file, i915_dpcd_show, inode->i_private);
5523 static const struct file_operations i915_dpcd_fops = {
5524 .owner = THIS_MODULE,
5525 .open = i915_dpcd_open,
5527 .llseek = seq_lseek,
5528 .release = single_release,
5532 * i915_debugfs_connector_add - add i915 specific connector debugfs files
5533 * @connector: pointer to a registered drm_connector
5535 * Cleanup will be done by drm_connector_unregister() through a call to
5536 * drm_debugfs_connector_remove().
5538 * Returns 0 on success, negative error codes on error.
5540 int i915_debugfs_connector_add(struct drm_connector *connector)
5542 struct dentry *root = connector->debugfs_entry;
5544 /* The connector must have been registered beforehands. */
5548 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
5549 connector->connector_type == DRM_MODE_CONNECTOR_eDP)
5550 debugfs_create_file("i915_dpcd", S_IRUGO, root, connector,