diff options
| author | Riana Tauro <riana.tauro@intel.com> | 2025-08-26 12:04:08 +0530 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2025-08-26 10:11:34 -0400 |
| commit | 38fc73b8c7d692a099ddda37b700eeb330a03ff1 (patch) | |
| tree | 392f25662e188dff6dd6160aec57bb6c070c3c90 /drivers/gpu | |
| parent | drm/xe/uapi: Add UAPI for querying VMA count and memory attributes (diff) | |
| download | linux-38fc73b8c7d692a099ddda37b700eeb330a03ff1.tar.gz linux-38fc73b8c7d692a099ddda37b700eeb330a03ff1.zip | |
drm/xe: Add documentation for Xe Device Wedging
Add documentation for Xe Device Wedging so that
file can be referenced in following patches.
Signed-off-by: Riana Tauro <riana.tauro@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://lore.kernel.org/r/20250826063419.3022216-2-riana.tauro@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_device.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c index 90617e627bc4..6f7f551bd263 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 * |