[PATCH v5 22/33] drm/xe/survivability: Report 'boot status' on sysfs failure

If we fail to create any of the survivability sysfs files, the user
can't view boot status registers any more. Report them into dmesg
instead using our existing SIGID helper.

Signed-off-by: Michal Wajdeczko <[email protected]>
Cc: Riana Tauro <[email protected]>
Cc: Rodrigo Vivi <[email protected]>
Cc: Aravind Iddamsetty <[email protected]>
Cc: Mallesh Koujalagi <[email protected]>
---
 drivers/gpu/drm/xe/xe_survivability_mode.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_survivability_mode.c b/drivers/gpu/drm/xe/xe_survivability_mode.c
index 8b74bbc96390..e14553295171 100644
--- a/drivers/gpu/drm/xe/xe_survivability_mode.c
+++ b/drivers/gpu/drm/xe/xe_survivability_mode.c
@@ -305,8 +305,10 @@ static const struct attribute_group survivability_info_group = {
 
 static int create_survivability_sysfs(struct pci_dev *pdev)
 {
-	struct device *dev = &pdev->dev;
+	/* Survivability info is required if not enabled via configfs */
+	bool needs_info = !xe_configfs_get_survivability_mode(pdev);
 	struct xe_device *xe = pdev_to_xe_device(pdev);
+	struct device *dev = &pdev->dev;
 	int ret;
 
 	ret = device_create_file(dev, &dev_attr_survivability_mode);
@@ -318,8 +320,7 @@ static int create_survivability_sysfs(struct pci_dev *pdev)
 	if (ret)
 		goto failed;
 
-	/* Survivability info is not required if enabled via configfs */
-	if (!xe_configfs_get_survivability_mode(pdev)) {
+	if (needs_info) {
 		ret = devm_device_add_group(dev, &survivability_info_group);
 		if (ret)
 			goto failed;
@@ -329,6 +330,9 @@ static int create_survivability_sysfs(struct pci_dev *pdev)
 
 failed:
 	xe_err(xe, "Failed to create survivability sysfs files: %pe\n", ERR_PTR(ret));
+	/* no sysfs, dump Survivability info to dmesg instead */
+	if (needs_info)
+		log_survivability_info(xe);
 	return ret;
 }
 
-- 
2.47.1