From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 88EDBC43334 for ; Sat, 9 Jul 2022 11:58:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229544AbiGIL6x (ORCPT ); Sat, 9 Jul 2022 07:58:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33132 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229482AbiGIL6u (ORCPT ); Sat, 9 Jul 2022 07:58:50 -0400 Received: from mail-wm1-x32c.google.com (mail-wm1-x32c.google.com [IPv6:2a00:1450:4864:20::32c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8CCCD140A2 for ; Sat, 9 Jul 2022 04:58:48 -0700 (PDT) Received: by mail-wm1-x32c.google.com with SMTP id h14-20020a1ccc0e000000b0039eff745c53so580391wmb.5 for ; Sat, 09 Jul 2022 04:58:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=diHVyWaKn6Q/nu2QvOdZ3HTvtDhCo0LX1HleEXdmXqI=; b=DWnqE//9FMXAxffjNAXz30EtSW+qp/5vJj2E5W+p4i2W8l/cEecvh8/ar4q095uLXb Z8bjLP6cIuNiv0DLgpTYKCYDUhSKds8/BUkC15uc/B3Lw529CuCghyagrtfNDuDoh4ac wHVUFnPwK1by1BTZKBN4BN36YfOMpgytcJbZI4ZuHoPy2J8F6+Jq5o1+L8ri62UjXPiu rEr+ajtR4MU9c7URWYOU0Vx4/2K4ejgsphClfOVSJLHF2sDDl1qVCyC4u14OxcgEQzli bXgLyybpjy3npfKqkLPM629/B/3Re6ZprYhcBJg8WGz/gidLBmnAHkEZRVO/ANW7tsl7 4V+g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=diHVyWaKn6Q/nu2QvOdZ3HTvtDhCo0LX1HleEXdmXqI=; b=nK1pE/Z68K4mAgNh2bvLqc2Sibqsrt/pk9o9Ptb+SBMIo3D03Rk8xLsE2iZTtynmZJ t0LFYpswl6ka2U7XBj7Hg2bckdKmGyTAn96Yd1hFXGawVDqDRz0+4CkeWMndiv0+achK /I/C2plqRcGNKc7WHYsBjiEJlNjy8UNQ7uyzafjnW0JVjegTwhK8kqNlgNBJ8Hm3kTiw AcMiST4eKIdl10O9yBwYJVjNOTSTXguEMyzTOYh7BaxYV2YYpRksA3alGMCB4hyg504e g/eRBjC0lHz0r71UKp8yYn9LQ0gaYYgiXaZqZ2n+/bkHZlTh0jI4c90buNwH4/J0M9Zg VZ+Q== X-Gm-Message-State: AJIora86L/cZubp3rbJMEiXSXLWn03rU6F4BZD0GK3StlOW+Gzk8TaKq HjznXgqekonvuB5hrBxsXXo= X-Google-Smtp-Source: AGRyM1vVsISrYMEwIKnQOUVlwE02A9wmCavPdKoQTAmON+qapDhbuEkmWNfKWaE4RiRcjz1TIDdG2Q== X-Received: by 2002:a05:600c:4e07:b0:3a1:8548:4dd7 with SMTP id b7-20020a05600c4e0700b003a185484dd7mr5198289wmq.170.1657367926988; Sat, 09 Jul 2022 04:58:46 -0700 (PDT) Received: from localhost.localdomain ([94.73.36.185]) by smtp.gmail.com with ESMTPSA id co1-20020a0560000a0100b0021cf31e1f7csm1199494wrb.102.2022.07.09.04.58.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 09 Jul 2022 04:58:46 -0700 (PDT) From: =?UTF-8?q?Jos=C3=A9=20Exp=C3=B3sito?= To: javierm@redhat.com Cc: davidgow@google.com, dlatypov@google.com, tzimmermann@suse.de, mripard@kernel.org, daniel@ffwll.ch, airlied@linux.ie, maarten.lankhorst@linux.intel.com, jani.nikula@linux.intel.com, maira.canal@usp.br, isabbasso@riseup.net, magalilemes00@gmail.com, tales.aparecida@gmail.com, dri-devel@lists.freedesktop.org, kunit-dev@googlegroups.com, linux-kernel@vger.kernel.org, =?UTF-8?q?Jos=C3=A9=20Exp=C3=B3sito?= Subject: [PATCH v2 1/4] drm/format-helper: Fix test on big endian architectures Date: Sat, 9 Jul 2022 13:58:34 +0200 Message-Id: <20220709115837.560877-2-jose.exposito89@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220709115837.560877-1-jose.exposito89@gmail.com> References: <20220709115837.560877-1-jose.exposito89@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The tests fail on big endian architectures, like PowerPC: $ ./tools/testing/kunit/kunit.py run \ --kunitconfig=drivers/gpu/drm/tests \ --arch=powerpc --cross_compile=powerpc64-linux-gnu- Transform the XRGB8888 buffer from little endian to the CPU endian before calling the conversion function to avoid this error. Fixes: 8f456104915f ("drm/format-helper: Add KUnit tests for drm_fb_xrgb8888_to_rgb332()") Reported-by: David Gow Signed-off-by: José Expósito --- .../gpu/drm/tests/drm_format_helper_test.c | 23 +++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/tests/drm_format_helper_test.c b/drivers/gpu/drm/tests/drm_format_helper_test.c index 98583bf56044..4d074c2e48bf 100644 --- a/drivers/gpu/drm/tests/drm_format_helper_test.c +++ b/drivers/gpu/drm/tests/drm_format_helper_test.c @@ -111,6 +111,21 @@ static size_t conversion_buf_size(u32 dst_format, unsigned int dst_pitch, return dst_pitch * drm_rect_height(clip); } +static u32 *le32buf_to_cpu(struct kunit *test, const u32 *buf, size_t buf_size) +{ + u32 *dst = NULL; + int n; + + dst = kunit_kzalloc(test, buf_size, GFP_KERNEL); + if (!dst) + return NULL; + + for (n = 0; n < buf_size; n++) + dst[n] = le32_to_cpu(buf[n]); + + return dst; +} + static void xrgb8888_to_rgb332_case_desc(struct xrgb8888_to_rgb332_case *t, char *desc) { @@ -125,6 +140,7 @@ static void xrgb8888_to_rgb332_test(struct kunit *test) const struct xrgb8888_to_rgb332_case *params = test->param_value; size_t dst_size; __u8 *dst = NULL; + __u32 *src = NULL; struct drm_framebuffer fb = { .format = drm_format_info(DRM_FORMAT_XRGB8888), @@ -138,8 +154,11 @@ static void xrgb8888_to_rgb332_test(struct kunit *test) dst = kunit_kzalloc(test, dst_size, GFP_KERNEL); KUNIT_ASSERT_NOT_ERR_OR_NULL(test, dst); - drm_fb_xrgb8888_to_rgb332(dst, params->dst_pitch, params->xrgb8888, - &fb, ¶ms->clip); + src = le32buf_to_cpu(test, params->xrgb8888, TEST_BUF_SIZE); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, src); + + drm_fb_xrgb8888_to_rgb332(dst, params->dst_pitch, src, &fb, + ¶ms->clip); KUNIT_EXPECT_EQ(test, memcmp(dst, params->expected, dst_size), 0); } -- 2.25.1