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[10/11] drm/i915/tdr: Export reset count info to debugfs

Message ID 1469551257-26803-11-git-send-email-arun.siluvery@linux.intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

arun.siluvery@linux.intel.com July 26, 2016, 4:40 p.m. UTC 
A new variable is added to export the reset counts to debugfs, this
includes full gpu reset and engine reset count. This is useful for tests
where they areexpected to trigger reset; these counts are checked before
and after the test to ensure the same.

Signed-off-by: Arun Siluvery <arun.siluvery@linux.intel.com>
---
 drivers/gpu/drm/i915/i915_debugfs.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 9aa62c5..853da76 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1470,6 +1470,24 @@  static int i915_hangcheck_info(struct seq_file *m, void *unused)
 	return 0;
 }
 
+static int i915_reset_info(struct seq_file *m, void *unused)
+{
+	struct drm_info_node *node = m->private;
+	struct drm_device *dev = node->minor->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct i915_gpu_error *error = &dev_priv->gpu_error;
+	struct intel_engine_cs *engine;
+
+	seq_printf(m, "full gpu reset = %u\n", i915_reset_count(error));
+
+	for_each_engine(engine, dev_priv) {
+		seq_printf(m, "%s = %u\n", engine->name,
+			   i915_engine_reset_count(error, engine));
+	}
+
+	return 0;
+}
+
 static int ironlake_drpc_info(struct seq_file *m)
 {
 	struct drm_info_node *node = m->private;
@@ -5379,6 +5397,7 @@  static const struct drm_info_list i915_debugfs_list[] = {
 	{"i915_guc_log_dump", i915_guc_log_dump, 0},
 	{"i915_frequency_info", i915_frequency_info, 0},
 	{"i915_hangcheck_info", i915_hangcheck_info, 0},
+	{"i915_reset_info", i915_reset_info, 0},
 	{"i915_drpc_info", i915_drpc_info, 0},
 	{"i915_emon_status", i915_emon_status, 0},
 	{"i915_ring_freq_table", i915_ring_freq_table, 0},