drm/xe: fix multicast support for Xe_LP platforms

Xe_LP has six sublices per slice. v2: fixed commit message and subject (Matt) Bspec: 66696 Fixes: bde5d76 ("drm/xe: Add helper macro to loop each DSS") Signed-off-by: Andrzej Hajda <[email protected]> Reviewed-by: Matt Roper <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] Signed-off-by: Lucas De Marchi <[email protected]>
wafgo · Apr 5, 2024 · 788d2ad · 788d2ad
1 parent f731556
commit 788d2ad
Showing 1 changed file with 6 additions and 1 deletion.
diff --git 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;
 }
 
 /**