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* [PATCH v2] drm/xe/pci_error: Allow debugging PCI errors
@ 2026-08-18 10:30 Raag Jadav
  2026-08-18 10:39 ` ✓ CI.KUnit: success for drm/xe/pci_error: Allow debugging PCI errors (rev2) Patchwork
                   ` (5 more replies)
  0 siblings, 6 replies; 7+ messages in thread
From: Raag Jadav @ 2026-08-18 10:30 UTC (permalink / raw)
  To: intel-xe
  Cc: riana.tauro, michal.wajdeczko, matthew.d.roper, mallesh.koujalagi,
	Raag Jadav

XE_WEDGED_MODE_UPON_ANY_HANG_NO_RESET is intended for debugging hangs.
Disconnect the device on AER and prevent bus reset, so that it is available
to the user for debugging.

Signed-off-by: Raag Jadav <raag.jadav@intel.com>
---
v2: Process errors before wedging (Riana)
---
 drivers/gpu/drm/xe/xe_pci_error.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_pci_error.c b/drivers/gpu/drm/xe/xe_pci_error.c
index fb965f52be5e..79ce0c671549 100644
--- a/drivers/gpu/drm/xe/xe_pci_error.c
+++ b/drivers/gpu/drm/xe/xe_pci_error.c
@@ -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);
 }
 
-- 
2.43.0


^ permalink raw reply related	[flat|nested] 7+ messages in thread
end of thread, other threads:[~2026-08-19 10:44 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2026-08-18 10:30 [PATCH v2] drm/xe/pci_error: Allow debugging PCI errors Raag Jadav
2026-08-18 10:39 ` ✓ CI.KUnit: success for drm/xe/pci_error: Allow debugging PCI errors (rev2) Patchwork
2026-08-18 10:42 ` [PATCH v2] drm/xe/pci_error: Allow debugging PCI errors sashiko-bot
2026-08-18 12:31 ` ✓ CI.KUnit: success for drm/xe/pci_error: Allow debugging PCI errors (rev3) Patchwork
2026-08-18 13:05 ` ✓ Xe.CI.BAT: " Patchwork
2026-08-18 14:41 ` ✗ Xe.CI.FULL: failure " Patchwork
2026-08-19 10:44 ` [PATCH v2] drm/xe/pci_error: Allow debugging PCI errors Tauro, Riana

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