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drm/xe/pci_error: Allow debugging PCI errors

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Update PCI error handling path to disconnect the device when
XE_WEDGED_MODE_UPON_ANY_HANG_NO_RESET is set. This prevents bus
reset and preserves the device state so that it is available to
the user for debugging.

Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Riana Tauro <riana.tauro@intel.com>
Link: https://patch.msgid.link/20260819113519.510853-1-raag.jadav@intel.com
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
This commit is contained in:
Raag Jadav 2026-08-19 17:05:19 +05:30 committed by Matt Roper
parent b4f95affc6
commit 9b8234d176
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/xe/xe_pci_error.c
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@ -84,6 +84,12 @@ static pci_ers_result_t xe_pci_error_mmio_enabled(struct pci_dev *pdev)
xe_info(xe, "PCI error: MMIO enabled\n");
action = xe_ras_process_errors(xe);
/* User wants to debug the error, prevent reset */
if (xe->wedged.mode == XE_WEDGED_MODE_UPON_ANY_HANG_NO_RESET) {
xe_device_declare_wedged(xe);
return PCI_ERS_RESULT_DISCONNECT;
}
return ras_action_to_pci_result(pdev, action);
}