diff mbox series

[v9,4/4] drm/i915: Use device wedged event

Message ID 20241115050733.806934-5-raag.jadav@intel.com (mailing list archive)
State New
Headers show
Series Introduce DRM device wedged event | expand

Commit Message

Raag Jadav Nov. 15, 2024, 5:07 a.m. UTC 
Now that we have device wedged event provided by DRM core, make use
of it and support both driver rebind and bus-reset based recovery.
With this in place, userspace will be notified of wedged device on
gt reset failure.

Signed-off-by: Raag Jadav <raag.jadav@intel.com>
---
 drivers/gpu/drm/i915/gt/intel_reset.c | 3 +++
 1 file changed, 3 insertions(+)

Comments

Aravind Iddamsetty Nov. 19, 2024, 3:43 a.m. UTC | #1 
On 15/11/24 10:37, Raag Jadav wrote:
> Now that we have device wedged event provided by DRM core, make use
> of it and support both driver rebind and bus-reset based recovery.
> With this in place, userspace will be notified of wedged device on
> gt reset failure.
>
> Signed-off-by: Raag Jadav <raag.jadav@intel.com>
> ---
>  drivers/gpu/drm/i915/gt/intel_reset.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c
> index f42f21632306..18cf50a1e84d 100644
> --- a/drivers/gpu/drm/i915/gt/intel_reset.c
> +++ b/drivers/gpu/drm/i915/gt/intel_reset.c
> @@ -1418,6 +1418,9 @@ static void intel_gt_reset_global(struct intel_gt *gt,
>  
>  	if (!test_bit(I915_WEDGED, &gt->reset.flags))
>  		kobject_uevent_env(kobj, KOBJ_CHANGE, reset_done_event);
> +	else
> +		drm_dev_wedged_event(&gt->i915->drm,
> +				     DRM_WEDGE_RECOVERY_REBIND | DRM_WEDGE_RECOVERY_BUS_RESET);
Reviewed-by: Aravind Iddamsetty <aravind.iddamsetty@linux.intel.com>

Thanks,
Aravind.
>  }
>  
>  /**
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c
index f42f21632306..18cf50a1e84d 100644
--- a/drivers/gpu/drm/i915/gt/intel_reset.c
+++ b/drivers/gpu/drm/i915/gt/intel_reset.c
@@ -1418,6 +1418,9 @@  static void intel_gt_reset_global(struct intel_gt *gt,
 
 	if (!test_bit(I915_WEDGED, &gt->reset.flags))
 		kobject_uevent_env(kobj, KOBJ_CHANGE, reset_done_event);
+	else
+		drm_dev_wedged_event(&gt->i915->drm,
+				     DRM_WEDGE_RECOVERY_REBIND | DRM_WEDGE_RECOVERY_BUS_RESET);
 }
 
 /**