[PATCH v2 26/37] drm/i915/gem: drop nth_page() usage within SG entry

David Hildenbrand
2025-09-01T15:11:24Z

It's no longer required to use nth_page() when iterating pages within a
single SG entry, so let's drop the nth_page() usage.

Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Tvrtko Ursulin <tursulin@ursulin.net>
Cc: David Airlie <airlied@gmail.com>
Cc: Simona Vetter <simona@ffwll.ch>
Signed-off-by: David Hildenbrand <david@redhat.com>
---
drivers/gpu/drm/i915/gem/i915_gem_pages.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_pages.c b/drivers/gpu/drm/i915/gem/i915_gem_pages.c
index c16a57160b262..031d7acc16142 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_pages.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_pages.c
@@ -779,7 +779,7 @@ __i915_gem_object_get_page(struct drm_i915_gem_object *obj, pgoff_t n)
GEM_BUG_ON(!i915_gem_object_has_struct_page(obj));

sg = i915_gem_object_get_sg(obj, n, &offset);
- return nth_page(sg_page(sg), offset);
+ return sg_page(sg) + offset;
}

/* Like i915_gem_object_get_page(), but mark the returned page dirty */
--
2.50.1