From: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Date: Fri, 19 Dec 2025 11:32:58 +0000 (+0100)
Subject: drm/pagemap: Remove some dead code
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d1a4fc044cfd83741fae06c7e91019d139053f15;p=thirdparty%2Fkernel%2Flinux.git

drm/pagemap: Remove some dead code

The page pointer can't be NULL.

v5:
- New patch. (Matt Brost)

Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> # For merging through drm-xe.
Link: https://patch.msgid.link/20251219113320.183860-3-thomas.hellstrom@linux.intel.com
---

diff --git a/drivers/gpu/drm/drm_pagemap.c b/drivers/gpu/drm/drm_pagemap.c
index 37d7cfbbb3e8..4cf8f54e5a27 100644
--- a/drivers/gpu/drm/drm_pagemap.c
+++ b/drivers/gpu/drm/drm_pagemap.c
@@ -702,19 +702,6 @@ static int __drm_pagemap_migrate_to_ram(struct vm_area_struct *vas,
 	if (!migrate.cpages)
 		goto err_free;
 
-	if (!page) {
-		for (i = 0; i < npages; ++i) {
-			if (!(migrate.src[i] & MIGRATE_PFN_MIGRATE))
-				continue;
-
-			page = migrate_pfn_to_page(migrate.src[i]);
-			break;
-		}
-
-		if (!page)
-			goto err_finalize;
-	}
-	zdd = page->zone_device_data;
 	ops = zdd->devmem_allocation->ops;
 	dev = zdd->devmem_allocation->dev;