[PATCH] drm/i915/debugfs: print more workaround registers

[Chuansheng Liu <chuansheng.liu@xxxxxxxxx>]

In the node i915_wa_registers, we could print out
more information with whitelist, GT workaround and
engine workaround.

In addition, fix the warning by checkpatch.pl:
WARNING: Prefer seq_puts to seq_printf

Signed-off-by: Chuansheng Liu <chuansheng.liu@xxxxxxxxx>
---
 drivers/gpu/drm/i915/i915_debugfs.c | 60 ++++++++++++++++++++++++++++-
 1 file changed, 58 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 8f2525e4ce0f..d4d9e0396d71 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1836,7 +1836,7 @@ static int i915_wa_registers(struct seq_file *m, void *unused)
 		if (!count)
 			continue;
 
-		seq_printf(m, "%s: Workarounds applied: %u\n",
+		seq_printf(m, "%s: context workarounds applied: %u\n",
 			   engine->name, count);
 
 		for (wa = wal->list; count--; wa++)
@@ -1844,9 +1844,65 @@ static int i915_wa_registers(struct seq_file *m, void *unused)
 				   i915_mmio_reg_offset(wa->reg),
 				   wa->set, wa->clr);
 
-		seq_printf(m, "\n");
+		seq_puts(m, "\n");
 	}
 
+	for_each_uabi_engine(engine, i915) {
+		const struct i915_wa_list *wal = &engine->whitelist;
+		const struct i915_wa *wa;
+		unsigned int count;
+
+		count = wal->count;
+		if (!count)
+			continue;
+
+		seq_printf(m, "%s: whitelist applied: %u\n",
+			   engine->name, count);
+
+		for (wa = wal->list; count--; wa++)
+			seq_printf(m, "0x%X: 0x%08X, mask: 0x%08X\n",
+				   i915_mmio_reg_offset(wa->reg),
+				   wa->set, wa->clr);
+
+		seq_puts(m, "\n");
+	}
+
+	{
+		const struct i915_wa_list *wal = &i915->gt_wa_list;
+		const struct i915_wa *wa;
+		unsigned int count;
+
+		count = wal->count;
+		if (count) {
+			seq_printf(m, "gt workarounds applied: %u\n", count);
+
+			for (wa = wal->list; count--; wa++)
+				seq_printf(m, "0x%X: 0x%08X, mask: 0x%08X\n",
+					   i915_mmio_reg_offset(wa->reg),
+					   wa->set, wa->clr);
+		}
+		seq_puts(m, "\n");
+	}
+
+	for_each_uabi_engine(engine, i915) {
+		const struct i915_wa_list *wal = &engine->wa_list;
+		const struct i915_wa *wa;
+		unsigned int count;
+
+		count = wal->count;
+		if (!count)
+			continue;
+
+		seq_printf(m, "%s: workaround list applied: %u\n",
+			   engine->name, count);
+
+		for (wa = wal->list; count--; wa++)
+			seq_printf(m, "0x%X: 0x%08X, mask: 0x%08X\n",
+				   i915_mmio_reg_offset(wa->reg),
+				   wa->set, wa->clr);
+
+		seq_puts(m, "\n");
+	}
 	return 0;
 }
 
-- 
2.25.0.rc2

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