diff options
| -rw-r--r-- | Documentation/gpu/xe/index.rst | 1 | ||||
| -rw-r--r-- | Documentation/gpu/xe/xe_device.rst | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_device.c | 10 |
3 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/gpu/xe/index.rst b/Documentation/gpu/xe/index.rst index 42ba6c263cd0d7..88b22fad880e7a 100644 --- a/Documentation/gpu/xe/index.rst +++ b/Documentation/gpu/xe/index.rst @@ -25,5 +25,6 @@ DG2, etc is provided to prototype the driver. xe_tile xe_debugging xe_devcoredump + xe_device xe-drm-usage-stats.rst xe_configfs diff --git a/Documentation/gpu/xe/xe_device.rst b/Documentation/gpu/xe/xe_device.rst new file mode 100644 index 00000000000000..39a937b97cd353 --- /dev/null +++ b/Documentation/gpu/xe/xe_device.rst @@ -0,0 +1,10 @@ +.. SPDX-License-Identifier: (GPL-2.0+ OR MIT) + +.. _xe-device-wedging: + +================== +Xe Device Wedging +================== + +.. kernel-doc:: drivers/gpu/drm/xe/xe_device.c + :doc: Xe Device Wedging diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c index 90617e627bc42b..6f7f551bd26387 100644 --- a/drivers/gpu/drm/xe/xe_device.c +++ b/drivers/gpu/drm/xe/xe_device.c @@ -1167,6 +1167,16 @@ static void xe_device_wedged_fini(struct drm_device *drm, void *arg) } /** + * DOC: Xe Device Wedging + * + * Xe driver uses drm device wedged uevent as documented in Documentation/gpu/drm-uapi.rst. + * When device is in wedged state, every IOCTL will be blocked and GT cannot be + * used. Certain critical errors like gt reset failure, firmware failures can cause + * the device to be wedged. The default recovery method for a wedged state + * is rebind/bus-reset. + */ + +/** * xe_device_declare_wedged - Declare device wedged * @xe: xe device instance * |