[PATCH v12 4/5] drm/i915: Use device wedged event
Rodrigo Vivi
rodrigo.vivi at intel.com
Tue Feb 4 17:24:36 UTC 2025
On Tue, Feb 04, 2025 at 12:35:27PM +0530, 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 at intel.com>
> Reviewed-by: Aravind Iddamsetty <aravind.iddamsetty at linux.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
Joonas, Tvrtko, ack on getting this through drm-misc-next?
> index aae5a081cb53..d6dc12fd87c1 100644
> --- a/drivers/gpu/drm/i915/gt/intel_reset.c
> +++ b/drivers/gpu/drm/i915/gt/intel_reset.c
> @@ -1422,6 +1422,9 @@ static void intel_gt_reset_global(struct intel_gt *gt,
>
> if (!test_bit(I915_WEDGED, >->reset.flags))
> kobject_uevent_env(kobj, KOBJ_CHANGE, reset_done_event);
> + else
> + drm_dev_wedged_event(>->i915->drm,
> + DRM_WEDGE_RECOVERY_REBIND | DRM_WEDGE_RECOVERY_BUS_RESET);
> }
>
> /**
> --
> 2.34.1
>
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