[PATCH] drm/xe: fix multicast support for ADL-P platforms

[Andrzej Hajda]

ADL-P has six sublices per slice.

Signed-off-by: Andrzej Hajda <andrzej.hajda at intel.com>
Fixes: bde5d76785bc ("drm/xe: Add helper macro to loop each DSS")
---
 drivers/gpu/drm/xe/xe_gt_mcr.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_gt_mcr.c b/drivers/gpu/drm/xe/xe_gt_mcr.c
index 866bbd26ba3f..577bd7043740 100644
--- a/drivers/gpu/drm/xe/xe_gt_mcr.c
+++ b/drivers/gpu/drm/xe/xe_gt_mcr.c
@@ -297,7 +297,12 @@ static void init_steering_mslice(struct xe_gt *gt)
 
 static unsigned int dss_per_group(struct xe_gt *gt)
 {
-	return gt_to_xe(gt)->info.platform == XE_PVC ? 8 : 4;
+	if (gt_to_xe(gt)->info.platform == XE_PVC)
+		return 8;
+	else if (GRAPHICS_VERx100(gt_to_xe(gt)) >= 1250)
+		return 4;
+	else
+		return 6;
 }
 
 /**

---
base-commit: 34820967ae7b45411f8f4f737c2d63b0c608e0d7
change-id: 20240404-mcr_adlp-cf548bc8b633

Best regards,
-- 
Andrzej Hajda <andrzej.hajda at intel.com>