We are missing pieces of information that could be useful for GuC
debugging.
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Signed-off-by: Oscar Mateo <oscar.mateo@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_debugfs.c | 61 +++++++++++++++++++++++++++++++++++++
1 file changed, 61 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 870c470..a05a67d 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2540,6 +2540,66 @@ static int i915_guc_info(struct seq_file *m, void *data)
return 0;
}
+static int i915_guc_stage_pool(struct seq_file *m, void *data)
+{
+ struct drm_i915_private *dev_priv = node_to_i915(m->private);
+ const struct intel_guc *guc = &dev_priv->guc;
+ struct guc_stage_desc *desc = guc->stage_desc_pool_vaddr;
+ struct i915_guc_client *client = guc->execbuf_client;
+ unsigned int tmp;
+ int index;
+
+ if (!client) {
+ seq_printf(m, "GuC submission %s\n",
+ HAS_GUC(dev_priv) ?
+ "disabled" :
+ "not supported");
+ return 0;
+ }
+
+ for (index = 0; index < GUC_MAX_STAGE_DESCRIPTORS; index++, desc++) {
+ struct intel_engine_cs *engine;
+
+ if (!(desc->attribute & GUC_STAGE_DESC_ATTR_ACTIVE))
+ continue;
+
+ seq_printf(m, "GuC stage descriptor %u:\n", index);
+ seq_printf(m, "\tIndex: %u\n", desc->stage_id);
+ seq_printf(m, "\tAttribute: 0x%x\n", desc->attribute);
+ seq_printf(m, "\tPriority: %d\n", desc->priority);
+ seq_printf(m, "\tDoorbell id: %d\n", desc->db_id);
+ seq_printf(m, "\tEngines used: 0x%x\n",
+ desc->engines_used);
+ seq_printf(m, "\tDoorbell trigger phy: 0x%llx, cpu: 0x%llx, uK: 0x%x\n",
+ desc->db_trigger_phy,
+ desc->db_trigger_cpu,
+ desc->db_trigger_uk);
+ seq_printf(m, "\tProcess descriptor: 0x%x\n",
+ desc->process_desc);
+ seq_printf(m, "\tWorkqueue adddress: 0x%x, size: 0x%x\n",
+ desc->wq_addr, desc->wq_size);
+ seq_putc(m, '\n');
+
+ for_each_engine_masked(engine, dev_priv, client->engines, tmp) {
+ uint32_t guc_engine_id = engine->guc_id;
+ struct guc_execlist_context *lrc =
+ &desc->lrc[guc_engine_id];
+
+ seq_printf(m, "\t%s LRC:\n", engine->name);
+ seq_printf(m, "\t\tContext desc: 0x%x\n",
+ lrc->context_desc);
+ seq_printf(m, "\t\tContext id: 0x%x\n", lrc->context_id);
+ seq_printf(m, "\t\tLRCA: 0x%x\n", lrc->ring_lrca);
+ seq_printf(m, "\t\tRing begin: 0x%x\n", lrc->ring_begin);
+ seq_printf(m, "\t\tRing end: 0x%x\n", lrc->ring_end);
+ seq_putc(m, '\n');
+
+ }
+ }
+
+ return 0;
+}
+
static int i915_guc_log_dump(struct seq_file *m, void *data)
{
struct drm_i915_private *dev_priv = node_to_i915(m->private);
@@ -4774,6 +4834,7 @@ static int i915_hpd_storm_ctl_open(struct inode *inode, struct file *file)
{"i915_guc_info", i915_guc_info, 0},
{"i915_guc_load_status", i915_guc_load_status_info, 0},
{"i915_guc_log_dump", i915_guc_log_dump, 0},
+ {"i915_guc_stage_pool", i915_guc_stage_pool, 0},
{"i915_huc_load_status", i915_huc_load_status_info, 0},
{"i915_frequency_info", i915_frequency_info, 0},
{"i915_hangcheck_info", i915_hangcheck_info, 0},
--
1.9.1
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