netdev - [PATCH RFC 25/35] drm/i915/gem: drop nth

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Message-ID: <20250821200701.1329277-26-david@redhat.com>
Date: Thu, 21 Aug 2025 22:06:51 +0200
From: David Hildenbrand <david@...hat.com>
To: linux-kernel@...r.kernel.org
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	Jani Nikula <jani.nikula@...ux.intel.com>,
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Subject: [PATCH RFC 25/35] drm/i915/gem: drop nth_page() usage within SG entry

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.

Cc: Jani Nikula <jani.nikula@...ux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@...el.com>
Cc: Tvrtko Ursulin <tursulin@...ulin.net>
Cc: David Airlie <airlied@...il.com>
Cc: Simona Vetter <simona@...ll.ch>
Signed-off-by: David Hildenbrand <david@...hat.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