Dave Airlie <airlied@xxxxxxxxx> writes: Hello Dave, > From: Dave Airlie <airlied@xxxxxxxxxx> > > This test is failing for me on s390x and there is a report on the list from ppc64. > > This aligns it with the argb test that doesn't fail. > > Fixes: 15bda1f8de5d ("drm/tests: Add calls to drm_fb_blit() on supported format conversion tests") > Reported-by: Erhard Furtner <erhard_f@xxxxxxxxxxx> > Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx> > --- > drivers/gpu/drm/tests/drm_format_helper_test.c | 4 +++- > 1 file changed, 3 insertions(+), 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 08992636ec05..d4ce2d7ced4e 100644 > --- a/drivers/gpu/drm/tests/drm_format_helper_test.c > +++ b/drivers/gpu/drm/tests/drm_format_helper_test.c > @@ -991,7 +991,7 @@ 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, ¶ms->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 */ > @@ -1002,6 +1002,8 @@ static void drm_test_fb_xrgb8888_to_xrgb2101010(struct kunit *test) > blit_result = drm_fb_blit(&dst, dst_pitch, DRM_FORMAT_XRGB2101010, &src, &fb, > ¶ms->clip, &fmtcnv_state); > > + buf = le32buf_to_cpu(test, (__force const __le32 *)buf, dst_size / sizeof(u32)); > + > KUNIT_EXPECT_FALSE(test, blit_result); > KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); > } Looks good to me, and as you said it makes the test consistent with the drm_fb_xrgb8888_to_argb2101010() test that didn't fail for you on s390x. Reviewed-by: Javier Martinez Canillas <javierm@xxxxxxxxxx> -- Best regards, Javier Martinez Canillas Core Platforms Red Hat