diff options
| author | Riana Tauro <riana.tauro@intel.com> | 2025-08-26 12:04:11 +0530 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2025-08-26 10:11:34 -0400 |
| commit | 60439ac3f23549ff272e626bd78502123086eaa5 (patch) | |
| tree | 60d40ff7fa5c308eb51a5e5a823af75e5682eec7 | |
| parent | 90fdcf5f89e9288c153923f16a60e6f7da18ba76 (diff) | |
drm/xe: Add a helper function to set recovery method
Add a helper function to set recovery method. The recovery
method can be set before declaring the device wedged and sending the
drm wedged uevent. If no method is set, default unbind/re-bind method
will be set.
v2: fix documentation (Raag)
Signed-off-by: Riana Tauro <riana.tauro@intel.com>
Reviewed-by: Raag Jadav <raag.jadav@intel.com>
Link: https://lore.kernel.org/r/20250826063419.3022216-5-riana.tauro@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
| -rw-r--r-- | drivers/gpu/drm/xe/xe_device.c | 26 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_device.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_device_types.h | 2 |
3 files changed, 24 insertions, 5 deletions
diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c index bc8be6fbd2e8..ab9f3a57dcd9 100644 --- a/drivers/gpu/drm/xe/xe_device.c +++ b/drivers/gpu/drm/xe/xe_device.c @@ -1177,12 +1177,25 @@ static void xe_device_wedged_fini(struct drm_device *drm, void *arg) */ /** + * xe_device_set_wedged_method - Set wedged recovery method + * @xe: xe device instance + * @method: recovery method to set + * + * Set wedged recovery method to be sent in drm wedged uevent. + */ +void xe_device_set_wedged_method(struct xe_device *xe, unsigned long method) +{ + xe->wedged.method = method; +} + +/** * xe_device_declare_wedged - Declare device wedged * @xe: xe device instance * * This is a final state that can only be cleared with the recovery method - * specified in the drm wedged uevent. The default recovery method is - * re-probe (unbind + bind). + * specified in the drm wedged uevent. The method can be set using + * xe_device_set_wedged_method before declaring the device as wedged. If no method + * is set, reprobe (unbind/re-bind) will be sent by default. * * In this state every IOCTL will be blocked so the GT cannot be used. * In general it will be called upon any critical error such as gt reset @@ -1223,9 +1236,12 @@ void xe_device_declare_wedged(struct xe_device *xe) xe_gt_declare_wedged(gt); if (xe_device_wedged(xe)) { + /* If no wedge recovery method is set, use default */ + if (!xe->wedged.method) + xe_device_set_wedged_method(xe, DRM_WEDGE_RECOVERY_REBIND | + DRM_WEDGE_RECOVERY_BUS_RESET); + /* Notify userspace of wedged device */ - drm_dev_wedged_event(&xe->drm, - DRM_WEDGE_RECOVERY_REBIND | DRM_WEDGE_RECOVERY_BUS_RESET, - NULL); + drm_dev_wedged_event(&xe->drm, xe->wedged.method, NULL); } } diff --git a/drivers/gpu/drm/xe/xe_device.h b/drivers/gpu/drm/xe/xe_device.h index bc802e066a7d..32cc6323b7f6 100644 --- a/drivers/gpu/drm/xe/xe_device.h +++ b/drivers/gpu/drm/xe/xe_device.h @@ -187,6 +187,7 @@ static inline bool xe_device_wedged(struct xe_device *xe) return atomic_read(&xe->wedged.flag); } +void xe_device_set_wedged_method(struct xe_device *xe, unsigned long method); void xe_device_declare_wedged(struct xe_device *xe); struct xe_file *xe_file_get(struct xe_file *xef); diff --git a/drivers/gpu/drm/xe/xe_device_types.h b/drivers/gpu/drm/xe/xe_device_types.h index 86506cdfc801..333c7aa6bbb3 100644 --- a/drivers/gpu/drm/xe/xe_device_types.h +++ b/drivers/gpu/drm/xe/xe_device_types.h @@ -541,6 +541,8 @@ struct xe_device { atomic_t flag; /** @wedged.mode: Mode controlled by kernel parameter and debugfs */ int mode; + /** @wedged.method: Recovery method to be sent in the drm device wedged uevent */ + unsigned long method; } wedged; /** @bo_device: Struct to control async free of BOs */ |