[Intel-gfx] [RFC PATCH 56/97] drm/i915/guc: Update GuC debugfs to support new GuC
Matthew Brost
matthew.brost at intel.com
Thu May 6 19:14:10 UTC 2021
Update GuC debugfs to support the new GuC structures.
Signed-off-by: John Harrison <John.C.Harrison at Intel.com>
Signed-off-by: Matthew Brost <matthew.brost at intel.com>
---
drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c | 22 ++++++++
drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h | 3 ++
.../gpu/drm/i915/gt/uc/intel_guc_debugfs.c | 23 +++++++-
.../gpu/drm/i915/gt/uc/intel_guc_submission.c | 52 +++++++++++++++++++
.../gpu/drm/i915/gt/uc/intel_guc_submission.h | 4 ++
drivers/gpu/drm/i915/i915_debugfs.c | 1 +
6 files changed, 104 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
index cf701056fa14..b3194d753b13 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
@@ -1131,3 +1131,25 @@ void intel_guc_ct_event_handler(struct intel_guc_ct *ct)
ct_try_receive_message(ct);
}
+
+void intel_guc_log_ct_info(struct intel_guc_ct *ct,
+ struct drm_printer *p)
+{
+ if (!ct->enabled) {
+ drm_puts(p, "CT disabled\n");
+ return;
+ }
+
+ drm_printf(p, "H2G Space: %u\n",
+ atomic_read(&ct->ctbs.send.space) * 4);
+ drm_printf(p, "Head: %u\n",
+ ct->ctbs.send.desc->head);
+ drm_printf(p, "Tail: %u\n",
+ ct->ctbs.send.desc->tail);
+ drm_printf(p, "G2H Space: %u\n",
+ atomic_read(&ct->ctbs.recv.space) * 4);
+ drm_printf(p, "Head: %u\n",
+ ct->ctbs.recv.desc->head);
+ drm_printf(p, "Tail: %u\n",
+ ct->ctbs.recv.desc->tail);
+}
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h
index ab1b79ab960b..f62eb06b32fc 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h
@@ -16,6 +16,7 @@
struct i915_vma;
struct intel_guc;
+struct drm_printer;
/**
* DOC: Command Transport (CT).
@@ -106,4 +107,6 @@ int intel_guc_ct_send(struct intel_guc_ct *ct, const u32 *action, u32 len,
u32 *response_buf, u32 response_buf_size, u32 flags);
void intel_guc_ct_event_handler(struct intel_guc_ct *ct);
+void intel_guc_log_ct_info(struct intel_guc_ct *ct, struct drm_printer *p);
+
#endif /* _INTEL_GUC_CT_H_ */
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.c
index fe7cb7b29a1e..62b9ce0fafaa 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.c
@@ -9,6 +9,8 @@
#include "intel_guc.h"
#include "intel_guc_debugfs.h"
#include "intel_guc_log_debugfs.h"
+#include "gt/uc/intel_guc_ct.h"
+#include "gt/uc/intel_guc_submission.h"
static int guc_info_show(struct seq_file *m, void *data)
{
@@ -22,16 +24,35 @@ static int guc_info_show(struct seq_file *m, void *data)
drm_puts(&p, "\n");
intel_guc_log_info(&guc->log, &p);
- /* Add more as required ... */
+ if (!intel_guc_submission_is_used(guc))
+ return 0;
+
+ intel_guc_log_ct_info(&guc->ct, &p);
+ intel_guc_log_submission_info(guc, &p);
return 0;
}
DEFINE_GT_DEBUGFS_ATTRIBUTE(guc_info);
+static int guc_registered_contexts_show(struct seq_file *m, void *data)
+{
+ struct intel_guc *guc = m->private;
+ struct drm_printer p = drm_seq_file_printer(m);
+
+ if (!intel_guc_submission_is_used(guc))
+ return -ENODEV;
+
+ intel_guc_log_context_info(guc, &p);
+
+ return 0;
+}
+DEFINE_GT_DEBUGFS_ATTRIBUTE(guc_registered_contexts);
+
void intel_guc_debugfs_register(struct intel_guc *guc, struct dentry *root)
{
static const struct debugfs_gt_file files[] = {
{ "guc_info", &guc_info_fops, NULL },
+ { "guc_registered_contexts", &guc_registered_contexts_fops, NULL },
};
if (!intel_guc_is_supported(guc))
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
index 0ff7dd6d337d..c7a8968f22c5 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -1607,3 +1607,55 @@ int intel_guc_sched_done_process_msg(struct intel_guc *guc,
return 0;
}
+
+void intel_guc_log_submission_info(struct intel_guc *guc,
+ struct drm_printer *p)
+{
+ struct i915_sched_engine *sched_engine = guc->sched_engine;
+ struct rb_node *rb;
+ unsigned long flags;
+
+ drm_printf(p, "GuC Number Outstanding Submission G2H: %u\n",
+ atomic_read(&guc->outstanding_submission_g2h));
+ drm_printf(p, "GuC tasklet count: %u\n\n",
+ atomic_read(&sched_engine->tasklet.count));
+
+ spin_lock_irqsave(&sched_engine->lock, flags);
+ drm_printf(p, "Requests in GuC submit tasklet:\n");
+ for (rb = rb_first_cached(&sched_engine->queue); rb; rb = rb_next(rb)) {
+ struct i915_priolist *pl = to_priolist(rb);
+ struct i915_request *rq;
+
+ priolist_for_each_request(rq, pl)
+ drm_printf(p, "guc_id=%u, seqno=%llu\n",
+ rq->context->guc_id,
+ rq->fence.seqno);
+ }
+ spin_unlock_irqrestore(&sched_engine->lock, flags);
+ drm_printf(p, "\n");
+}
+
+void intel_guc_log_context_info(struct intel_guc *guc,
+ struct drm_printer *p)
+{
+ struct intel_context *ce;
+ unsigned long index;
+
+ xa_for_each(&guc->context_lookup, index, ce) {
+ drm_printf(p, "GuC lrc descriptor %u:\n", ce->guc_id);
+ drm_printf(p, "\tHW Context Desc: 0x%08x\n", ce->lrc.lrca);
+ drm_printf(p, "\t\tLRC Head: Internal %u, Memory %u\n",
+ ce->ring->head,
+ ce->lrc_reg_state[CTX_RING_HEAD]);
+ drm_printf(p, "\t\tLRC Tail: Internal %u, Memory %u\n",
+ ce->ring->tail,
+ ce->lrc_reg_state[CTX_RING_TAIL]);
+ drm_printf(p, "\t\tContext Pin Count: %u\n",
+ atomic_read(&ce->pin_count));
+ drm_printf(p, "\t\tGuC ID Ref Count: %u\n",
+ atomic_read(&ce->guc_id_ref));
+ drm_printf(p, "\t\tSchedule State: 0x%x, 0x%x\n\n",
+ ce->guc_state.sched_state,
+ atomic_read(&ce->guc_sched_state_no_lock));
+ }
+}
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.h
index 3f7005018939..6453e2bfa151 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.h
@@ -10,6 +10,7 @@
#include "intel_guc.h"
+struct drm_printer;
struct intel_engine_cs;
void intel_guc_submission_init_early(struct intel_guc *guc);
@@ -20,6 +21,9 @@ void intel_guc_submission_fini(struct intel_guc *guc);
int intel_guc_preempt_work_create(struct intel_guc *guc);
void intel_guc_preempt_work_destroy(struct intel_guc *guc);
int intel_guc_submission_setup(struct intel_engine_cs *engine);
+void intel_guc_log_submission_info(struct intel_guc *guc,
+ struct drm_printer *p);
+void intel_guc_log_context_info(struct intel_guc *guc, struct drm_printer *p);
static inline bool intel_guc_submission_is_supported(struct intel_guc *guc)
{
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index bb29838d1cd7..d540dd8029d0 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -50,6 +50,7 @@
#include "i915_trace.h"
#include "intel_pm.h"
#include "intel_sideband.h"
+#include "gt/intel_lrc_reg.h"
static inline struct drm_i915_private *node_to_i915(struct drm_info_node *node)
{
--
2.28.0
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