[PATCH] drm/xe: Dump PAT entries with reserved mark

[Xin Wang <x.wang@intel.com>]

Add a marker * in the PAT dump output to indicate reserved entries
more clearly. This improves debugging and makes register inspection
easier to understand.

Signed-off-by: Xin Wang <x.wang@intel.com>
---
 drivers/gpu/drm/xe/xe_pat.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_pat.c b/drivers/gpu/drm/xe/xe_pat.c
index 7649b554942a..82c221aacebf 100644
--- a/drivers/gpu/drm/xe/xe_pat.c
+++ b/drivers/gpu/drm/xe/xe_pat.c
@@ -376,14 +376,14 @@ static int xe2_dump(struct xe_gt *gt, struct drm_printer *p)
 		else
 			pat = xe_gt_mcr_unicast_read_any(gt, XE_REG_MCR(_PAT_INDEX(i)));
 
-		drm_printf(p, "PAT[%2d] = [ %u, %u, %u, %u, %u, %u ]  (%#8x)\n", i,
+		drm_printf(p, "PAT[%2d] = [ %u, %u, %u, %u, %u, %u ]  (%#8x)%s\n", i,
 			   !!(pat & XE2_NO_PROMOTE),
 			   !!(pat & XE2_COMP_EN),
 			   REG_FIELD_GET(XE2_L3_CLOS, pat),
 			   REG_FIELD_GET(XE2_L3_POLICY, pat),
 			   REG_FIELD_GET(XE2_L4_POLICY, pat),
 			   REG_FIELD_GET(XE2_COH_MODE, pat),
-			   pat);
+			   pat, xe->pat.table[i].coh_mode ? "" : " *");
 	}
 
 	/*
@@ -431,13 +431,13 @@ static int xe3p_xpc_dump(struct xe_gt *gt, struct drm_printer *p)
 	for (i = 0; i < xe->pat.n_entries; i++) {
 		pat = xe_gt_mcr_unicast_read_any(gt, XE_REG_MCR(_PAT_INDEX(i)));
 
-		drm_printf(p, "PAT[%2d] = [ %u, %u, %u, %u, %u ]  (%#8x)\n", i,
+		drm_printf(p, "PAT[%2d] = [ %u, %u, %u, %u, %u ]  (%#8x)%s\n", i,
 			   !!(pat & XE2_NO_PROMOTE),
 			   REG_FIELD_GET(XE2_L3_CLOS, pat),
 			   REG_FIELD_GET(XE2_L3_POLICY, pat),
 			   REG_FIELD_GET(XE2_L4_POLICY, pat),
 			   REG_FIELD_GET(XE2_COH_MODE, pat),
-			   pat);
+			   pat, xe->pat.table[i].coh_mode ? "" : " *");
 	}
 
 	/*
-- 
2.43.0