[PATCH 4/8] drm/i915/huc: Add debugfs for HuC loading status check

Anusha Srivatsa
2016-10-03T18:43:09Z

From: Peter Antoine <peter.antoine@intel.com>

Add debugfs entry for HuC loading status check.

v2: rebase on-top of drm-intel-nightly.
v3: rebased again.
v7: rebased.
v8: rebased.

Tested-by: Xiang Haihao <haihao.xiang@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Alex Dai <yu.dai@intel.com>
Signed-off-by: Peter Antoine <peter.antoine@intel.com>
Reviewed-by: Dave Gordon <david.s.gordon@intel.com>
---
drivers/gpu/drm/i915/i915_debugfs.c | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 44258a8..7bd0e23 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2413,6 +2413,36 @@ 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_i915_private *dev_priv = node_to_i915(m->private);
+ struct intel_uc_fw *huc_fw = &dev_priv->huc.huc_fw;
+
+ if (!HAS_HUC_UCODE(dev_priv))
+ 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_i915_private *dev_priv = node_to_i915(m->private);
@@ -4427,6 +4457,7 @@ 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},
--
2.7.4