drm/i915/guc: drop stage_pool debugfs

The pool will be private to GuC in the new submission scheme, so we
won't be able to print it and we can just drop the current legacy code.
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200326181121.16869-3-daniele.ceraolospurio@intel.com

drivers/gpu/drm/i915/i915_debugfs.c

@@ -1356,58 +1356,6 @@ 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);
-	struct intel_uc *uc = &dev_priv->gt.uc;
-	struct guc_stage_desc *desc = uc->guc.stage_desc_pool_vaddr;
-	int index;
-
-	if (!intel_uc_uses_guc_submission(uc))
-		return -ENODEV;
-
-	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 address: 0x%x, size: 0x%x\n",
-			   desc->wq_addr, desc->wq_size);
-		seq_putc(m, '\n');
-
-		for_each_uabi_engine(engine, dev_priv) {
-			u32 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_info_node *node = m->private;
@@ -2143,7 +2091,6 @@ static const struct drm_info_list i915_debugfs_list[] = {
 	{"i915_guc_load_status", i915_guc_load_status_info, 0},
 	{"i915_guc_log_dump", i915_guc_log_dump, 0},
 	{"i915_guc_load_err_log_dump", i915_guc_log_dump, 0, (void *)1},
-	{"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_ring_freq_table", i915_ring_freq_table, 0},