linux-kernel - [PATCH 1/2] drm/tests: Fix endian warning

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Message-ID: <20250630090054.353246-1-jose.exposito89@gmail.com>
Date: Mon, 30 Jun 2025 11:00:53 +0200
From: José Expósito <jose.exposito89@...il.com>
To: maarten.lankhorst@...ux.intel.com
Cc: mripard@...nel.org,
	tzimmermann@...e.de,
	airlied@...il.com,
	simona@...ll.ch,
	lumag@...nel.org,
	cristian.ciocaltea@...labora.com,
	gcarlos@...root.org,
	dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	José Expósito <jose.exposito89@...il.com>
Subject: [PATCH 1/2] drm/tests: Fix endian warning

When compiling with sparse enabled, this warning is thrown:

  warning: incorrect type in argument 2 (different base types)
     expected restricted __le32 const [usertype] *buf
     got unsigned int [usertype] *[assigned] buf

Add a cast to fix it.

Fixes: 453114319699 ("drm/format-helper: Add KUnit tests for drm_fb_xrgb8888_to_xrgb2101010()")
Signed-off-by: José Expósito <jose.exposito89@...il.com>
---
 drivers/gpu/drm/tests/drm_format_helper_test.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/tests/drm_format_helper_test.c b/drivers/gpu/drm/tests/drm_format_helper_test.c
index 7299fa8971ce..86829e1cb7f0 100644
--- a/drivers/gpu/drm/tests/drm_format_helper_test.c
+++ b/drivers/gpu/drm/tests/drm_format_helper_test.c
@@ -1033,7 +1033,7 @@ static void drm_test_fb_xrgb8888_to_xrgb2101010(struct kunit *test)
 		NULL : &result->dst_pitch;
 
 	drm_fb_xrgb8888_to_xrgb2101010(&dst, dst_pitch, &src, &fb, &params->clip, &fmtcnv_state);
-	buf = le32buf_to_cpu(test, buf, dst_size / sizeof(u32));
+	buf = le32buf_to_cpu(test, (__force const __le32 *)buf, dst_size / sizeof(u32));
 	KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size);
 
 	buf = dst.vaddr; /* restore original value of buf */
-- 
2.50.0