From: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Date: Tue, 31 Mar 2026 13:43:31 +0000 (+0200)
Subject: drm/xe/pat: Print PAT_ATS during register dump
X-Git-Tag: v7.2-rc1~141^2~27^2~98
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=81ca36e0beaafe5f62fc1eadd99f8dcdf51161c0;p=thirdparty%2Fkernel%2Flinux.git

drm/xe/pat: Print PAT_ATS during register dump

For Xe2 and beyond we miss printing PAT_ATS register.

Signed-off-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patch.msgid.link/20260331134330.2535519-2-zbigniew.kempczynski@intel.com
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
---

diff --git a/drivers/gpu/drm/xe/xe_pat.c b/drivers/gpu/drm/xe/xe_pat.c
index 356f53bdb83c4..75aaae7b003d0 100644
--- a/drivers/gpu/drm/xe/xe_pat.c
+++ b/drivers/gpu/drm/xe/xe_pat.c
@@ -531,6 +531,14 @@ static int xe2_dump(struct xe_gt *gt, struct drm_printer *p)
 	drm_printf(p, "Page Table Access:\n");
 	xe->pat.ops->entry_dump(p, "PTA_MODE", pat, false);
 
+	if (xe_gt_is_media_type(gt))
+		pat = xe_mmio_read32(&gt->mmio, XE_REG(_PAT_ATS));
+	else
+		pat = xe_gt_mcr_unicast_read_any(gt, XE_REG_MCR(_PAT_ATS));
+
+	drm_printf(p, "PCIe ATS/PASID:\n");
+	xe->pat.ops->entry_dump(p, "PAT_ATS ", pat, false);
+
 	return 0;
 }