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[v2,4/6] drm/i915/huc: Add debugfs for HuC loading status check

Message ID 1467378945-14274-5-git-send-email-peter.antoine@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Peter Antoine July 1, 2016, 1:15 p.m. UTC 
Add debugfs entry for HuC loading status check.

v2: rebase on-top of drm-intel-nightly.

Signed-off-by: Alex Dai <yu.dai@intel.com>
Signed-off-by: Peter Antoine <peter.antoine@intel.com>
---
 drivers/gpu/drm/i915/i915_debugfs.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
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Patch

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 3883df5..c1f92e2 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2479,6 +2479,37 @@  static int i915_llc(struct seq_file *m, void *data)
 	return 0;
 }
 
+static int i915_huc_load_status_info(struct seq_file *m, void *data)
+{
+	struct drm_info_node *node = m->private;
+	struct drm_i915_private *dev_priv = node->minor->dev->dev_private;
+	struct intel_uc_fw *huc_fw = &dev_priv->huc.huc_fw;
+
+	if (!HAS_HUC_UCODE(dev_priv->dev))
+		return 0;
+
+	seq_puts(m, "HuC firmware status:\n");
+	seq_printf(m, "\tpath: %s\n", huc_fw->uc_fw_path);
+	seq_printf(m, "\tfetch: %s\n",
+		intel_uc_fw_status_repr(huc_fw->fetch_status));
+	seq_printf(m, "\tload: %s\n",
+		intel_uc_fw_status_repr(huc_fw->load_status));
+	seq_printf(m, "\tversion wanted: %d.%d\n",
+		huc_fw->major_ver_wanted, huc_fw->minor_ver_wanted);
+	seq_printf(m, "\tversion found: %d.%d\n",
+		huc_fw->major_ver_found, huc_fw->minor_ver_found);
+	seq_printf(m, "\theader: offset is %d; size = %d\n",
+		huc_fw->header_offset, huc_fw->header_size);
+	seq_printf(m, "\tuCode: offset is %d; size = %d\n",
+		huc_fw->ucode_offset, huc_fw->ucode_size);
+	seq_printf(m, "\tRSA: offset is %d; size = %d\n",
+		huc_fw->rsa_offset, huc_fw->rsa_size);
+
+	seq_printf(m, "\nHuC status 0x%08x:\n", I915_READ(HUC_STATUS2));
+
+	return 0;
+}
+
 static int i915_guc_load_status_info(struct seq_file *m, void *data)
 {
 	struct drm_info_node *node = m->private;
@@ -5433,6 +5464,7 @@  static const struct drm_info_list i915_debugfs_list[] = {
 	{"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_huc_load_status", i915_huc_load_status_info, 0},
 	{"i915_frequency_info", i915_frequency_info, 0},
 	{"i915_hangcheck_info", i915_hangcheck_info, 0},
 	{"i915_drpc_info", i915_drpc_info, 0},