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path: root/drivers/gpu/drm/i915/i915_debugfs.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_debugfs.c')
-rw-r--r--drivers/gpu/drm/i915/i915_debugfs.c148
1 files changed, 4 insertions, 144 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index f7817c667958..9ec2bcd9a695 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -3292,9 +3292,9 @@ static int i915_display_info(struct seq_file *m, void *unused)
static int i915_engine_info(struct seq_file *m, void *unused)
{
struct drm_i915_private *dev_priv = node_to_i915(m->private);
- struct i915_gpu_error *error = &dev_priv->gpu_error;
struct intel_engine_cs *engine;
enum intel_engine_id id;
+ struct drm_printer p;
intel_runtime_pm_get(dev_priv);
@@ -3303,149 +3303,9 @@ static int i915_engine_info(struct seq_file *m, void *unused)
seq_printf(m, "Global active requests: %d\n",
dev_priv->gt.active_requests);
- for_each_engine(engine, dev_priv, id) {
- struct intel_breadcrumbs *b = &engine->breadcrumbs;
- struct drm_i915_gem_request *rq;
- struct rb_node *rb;
- u64 addr;
-
- seq_printf(m, "%s\n", engine->name);
- seq_printf(m, "\tcurrent seqno %x, last %x, hangcheck %x [%d ms], inflight %d\n",
- intel_engine_get_seqno(engine),
- intel_engine_last_submit(engine),
- engine->hangcheck.seqno,
- jiffies_to_msecs(jiffies - engine->hangcheck.action_timestamp),
- engine->timeline->inflight_seqnos);
- seq_printf(m, "\tReset count: %d\n",
- i915_reset_engine_count(error, engine));
-
- rcu_read_lock();
-
- seq_printf(m, "\tRequests:\n");
-
- rq = list_first_entry(&engine->timeline->requests,
- struct drm_i915_gem_request, link);
- if (&rq->link != &engine->timeline->requests)
- print_request(m, rq, "\t\tfirst ");
-
- rq = list_last_entry(&engine->timeline->requests,
- struct drm_i915_gem_request, link);
- if (&rq->link != &engine->timeline->requests)
- print_request(m, rq, "\t\tlast ");
-
- rq = i915_gem_find_active_request(engine);
- if (rq) {
- print_request(m, rq, "\t\tactive ");
- seq_printf(m,
- "\t\t[head %04x, postfix %04x, tail %04x, batch 0x%08x_%08x]\n",
- rq->head, rq->postfix, rq->tail,
- rq->batch ? upper_32_bits(rq->batch->node.start) : ~0u,
- rq->batch ? lower_32_bits(rq->batch->node.start) : ~0u);
- }
-
- seq_printf(m, "\tRING_START: 0x%08x [0x%08x]\n",
- I915_READ(RING_START(engine->mmio_base)),
- rq ? i915_ggtt_offset(rq->ring->vma) : 0);
- seq_printf(m, "\tRING_HEAD: 0x%08x [0x%08x]\n",
- I915_READ(RING_HEAD(engine->mmio_base)) & HEAD_ADDR,
- rq ? rq->ring->head : 0);
- seq_printf(m, "\tRING_TAIL: 0x%08x [0x%08x]\n",
- I915_READ(RING_TAIL(engine->mmio_base)) & TAIL_ADDR,
- rq ? rq->ring->tail : 0);
- seq_printf(m, "\tRING_CTL: 0x%08x [%s]\n",
- I915_READ(RING_CTL(engine->mmio_base)),
- I915_READ(RING_CTL(engine->mmio_base)) & (RING_WAIT | RING_WAIT_SEMAPHORE) ? "waiting" : "");
-
- rcu_read_unlock();
-
- addr = intel_engine_get_active_head(engine);
- seq_printf(m, "\tACTHD: 0x%08x_%08x\n",
- upper_32_bits(addr), lower_32_bits(addr));
- addr = intel_engine_get_last_batch_head(engine);
- seq_printf(m, "\tBBADDR: 0x%08x_%08x\n",
- upper_32_bits(addr), lower_32_bits(addr));
-
- if (i915_modparams.enable_execlists) {
- const u32 *hws = &engine->status_page.page_addr[I915_HWS_CSB_BUF0_INDEX];
- struct intel_engine_execlists * const execlists = &engine->execlists;
- u32 ptr, read, write;
- unsigned int idx;
-
- seq_printf(m, "\tExeclist status: 0x%08x %08x\n",
- I915_READ(RING_EXECLIST_STATUS_LO(engine)),
- I915_READ(RING_EXECLIST_STATUS_HI(engine)));
-
- ptr = I915_READ(RING_CONTEXT_STATUS_PTR(engine));
- read = GEN8_CSB_READ_PTR(ptr);
- write = GEN8_CSB_WRITE_PTR(ptr);
- seq_printf(m, "\tExeclist CSB read %d [%d cached], write %d [%d from hws], interrupt posted? %s\n",
- read, execlists->csb_head,
- write,
- intel_read_status_page(engine, intel_hws_csb_write_index(engine->i915)),
- yesno(test_bit(ENGINE_IRQ_EXECLIST,
- &engine->irq_posted)));
- if (read >= GEN8_CSB_ENTRIES)
- read = 0;
- if (write >= GEN8_CSB_ENTRIES)
- write = 0;
- if (read > write)
- write += GEN8_CSB_ENTRIES;
- while (read < write) {
- idx = ++read % GEN8_CSB_ENTRIES;
- seq_printf(m, "\tExeclist CSB[%d]: 0x%08x [0x%08x in hwsp], context: %d [%d in hwsp]\n",
- idx,
- I915_READ(RING_CONTEXT_STATUS_BUF_LO(engine, idx)),
- hws[idx * 2],
- I915_READ(RING_CONTEXT_STATUS_BUF_HI(engine, idx)),
- hws[idx * 2 + 1]);
- }
-
- rcu_read_lock();
- for (idx = 0; idx < execlists_num_ports(execlists); idx++) {
- unsigned int count;
-
- rq = port_unpack(&execlists->port[idx], &count);
- if (rq) {
- seq_printf(m, "\t\tELSP[%d] count=%d, ",
- idx, count);
- print_request(m, rq, "rq: ");
- } else {
- seq_printf(m, "\t\tELSP[%d] idle\n",
- idx);
- }
- }
- rcu_read_unlock();
-
- spin_lock_irq(&engine->timeline->lock);
- for (rb = execlists->first; rb; rb = rb_next(rb)) {
- struct i915_priolist *p =
- rb_entry(rb, typeof(*p), node);
-
- list_for_each_entry(rq, &p->requests,
- priotree.link)
- print_request(m, rq, "\t\tQ ");
- }
- spin_unlock_irq(&engine->timeline->lock);
- } else if (INTEL_GEN(dev_priv) > 6) {
- seq_printf(m, "\tPP_DIR_BASE: 0x%08x\n",
- I915_READ(RING_PP_DIR_BASE(engine)));
- seq_printf(m, "\tPP_DIR_BASE_READ: 0x%08x\n",
- I915_READ(RING_PP_DIR_BASE_READ(engine)));
- seq_printf(m, "\tPP_DIR_DCLV: 0x%08x\n",
- I915_READ(RING_PP_DIR_DCLV(engine)));
- }
-
- spin_lock_irq(&b->rb_lock);
- for (rb = rb_first(&b->waiters); rb; rb = rb_next(rb)) {
- struct intel_wait *w = rb_entry(rb, typeof(*w), node);
-
- seq_printf(m, "\t%s [%d] waiting for %x\n",
- w->tsk->comm, w->tsk->pid, w->seqno);
- }
- spin_unlock_irq(&b->rb_lock);
-
- seq_puts(m, "\n");
- }
+ p = drm_seq_file_printer(m);
+ for_each_engine(engine, dev_priv, id)
+ intel_engine_dump(engine, &p);
intel_runtime_pm_put(dev_priv);