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drm/i915: Use device wedged event

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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>
Reviewed-by: Aravind Iddamsetty <aravind.iddamsetty@linux.intel.com>
Acked-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250204070528.1919158-5-raag.jadav@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Raag Jadav 2025-02-04 12:35:27 +05:30 committed by Rodrigo Vivi
parent 7bc00751f8
commit 11bb3d1876
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1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/gt/intel_reset.c
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@ -1422,6 +1422,9 @@ 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);
}
/**