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From: Riana Tauro <riana.tauro@intel.com>
To: intel-xe@lists.freedesktop.org
Cc: riana.tauro@intel.com, anshuman.gupta@intel.com,
	rodrigo.vivi@intel.com, aravind.iddamsetty@linux.intel.com,
	raag.jadav@intel.com, ravi.kishore.koppuravuri@intel.com,
	matthew.d.roper@intel.com
Subject: [PATCH 1/2] drm/xe/xe_pci_error: Wait for pcode init post SBR
Date: Fri, 28 Aug 2026 17:01:06 +0530	[thread overview]
Message-ID: <20260828113104.319843-5-riana.tauro@intel.com> (raw)
In-Reply-To: <20260828113104.319843-4-riana.tauro@intel.com>

Pcode init complete indicates the device is ready, with device memory 
initialization complete. Wait for Pcode init before accessing the
device post Secondary Bus Reset (SBR).

Signed-off-by: Riana Tauro <riana.tauro@intel.com>
---
 drivers/gpu/drm/xe/xe_pci_error.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_pci_error.c b/drivers/gpu/drm/xe/xe_pci_error.c
index 79ce0c671549..3e9c77f8483d 100644
--- a/drivers/gpu/drm/xe/xe_pci_error.c
+++ b/drivers/gpu/drm/xe/xe_pci_error.c
@@ -9,6 +9,7 @@
 #include "xe_gt.h"
 #include "xe_log.h"
 #include "xe_pci.h"
+#include "xe_pcode.h"
 #include "xe_pm.h"
 #include "xe_printk.h"
 #include "xe_ras.h"
@@ -109,6 +110,10 @@ static pci_ers_result_t xe_pci_error_slot_reset(struct pci_dev *pdev)
 		return PCI_ERS_RESULT_DISCONNECT;
 	}
 
+	err = xe_pcode_probe_early(xe);
+	if (err)
+		return PCI_ERS_RESULT_DISCONNECT;
+
 	/*
 	 * Secondary Bus Reset causes all VRAM state to be lost along with
 	 * hardware state. As an initial step, re-probe the device to
-- 
2.47.1


  reply	other threads:[~2026-08-28 11:31 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-28 11:31 [PATCH 0/2] Xe Pci error handling fixes Riana Tauro
2026-08-28 11:31 ` Riana Tauro [this message]
2026-08-28 11:41   ` [PATCH 1/2] drm/xe/xe_pci_error: Wait for pcode init post SBR sashiko-bot
2026-08-28 14:06   ` Gupta, Anshuman
2026-08-29 14:00     ` Raag Jadav
2026-08-31 12:32     ` Aravind Iddamsetty
2026-09-03 12:53       ` Gupta, Anshuman
2026-08-28 11:31 ` [PATCH 2/2] drm/xe/xe_guc: Skip GuC reset " Riana Tauro
2026-08-28 11:44   ` sashiko-bot
2026-09-03 16:34   ` Teres Alexis, Alan Previn
2026-08-28 11:38 ` ✓ CI.KUnit: success for Xe Pci error handling fixes Patchwork
2026-08-28 12:21 ` ✓ Xe.CI.BAT: " Patchwork
2026-08-28 13:30 ` ✓ Xe.CI.FULL: " Patchwork

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