From nobody Tue Apr 7 10:47:40 2026 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 8565AECAAD3 for ; Mon, 19 Sep 2022 07:16:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229927AbiISHQE (ORCPT ); Mon, 19 Sep 2022 03:16:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56986 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229853AbiISHPs (ORCPT ); Mon, 19 Sep 2022 03:15:48 -0400 Received: from mail-wr1-x433.google.com (mail-wr1-x433.google.com [IPv6:2a00:1450:4864:20::433]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7589A13D72 for ; Mon, 19 Sep 2022 00:15:46 -0700 (PDT) Received: by mail-wr1-x433.google.com with SMTP id k9so46092502wri.0 for ; Mon, 19 Sep 2022 00:15:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=qfGjedfOfmqcmzpgBDloDio1P9ZSKZd/Kz8vAVqEXrA=; b=I/cZGAOmF7yLIHC6L1ZReI1Zr+la6gtckoj0oh31FXw7VNcw0Gbiov07i1Slmiq097 rBlJ+EVXnKgTBHMR/5ASoB5Rio02rb6EzdfikO5QobiWNiU385CF8AbdHuqX+p46rBSK PCWzI6YN+409UnP5W2CqulmsOEX+Es4eIX+PxA0ezxskF7e9RAmi9kDS5CDClp0Mt7nx JCz6JHdHcsNbAHiFIeOMLFQzXG+rofrE8sqbybvhtoIjOrfW1TSlMMt9rCf/RPdiA8mR jJW0xrMuTbKHsPxUOYi+W5k09FQrdixs6R4zQf1xqUHvdNo0qNz45cyeqA5OnzCkYYYY t81g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=qfGjedfOfmqcmzpgBDloDio1P9ZSKZd/Kz8vAVqEXrA=; b=P/gFvJuBBOC9W4pPevP5Z0PD3QcQSnDsHL5UuSiuqEtVzusnji3AZxndQxhMOynmwA BndCk4s7x+mQlYWZg3mkragB8IVAzri4D+A4lXdGiQHmA+XwWPVPoqWleQp+vFaBPpUc 0lx26OE5tFhrvDdvYLHQ1+HEDrFEhEa2IdTXEpBTY2OTpK55+X2pZ6hEvnmVJooGlCGy uDQbgwU4hdjs9gAZix4viYMo36W3+QuckgbeXLZu7NMwtPddQiClz3UBd175oFdeutae Rng/n0nYbeHqeqzs8z8GyiuvBkkY9AFTshPpbsROQ9e3po6dJ/+HSIWeCQgRtCuyF81n oIJg== X-Gm-Message-State: ACrzQf3uhSPG1zkGj1lk/Xn5N3wBqhwqbUnuUpLZ2inQG+ODj1jVclGa jyrS2JBKLfNPbSiaBT2gT+M= X-Google-Smtp-Source: AMsMyM6dBRYmU965RelyzKog9pKkRLMn4BxhBotd8j55/PpvNwhGT3YtQ0KoUvz9HEP8xrL990Allw== X-Received: by 2002:adf:fb50:0:b0:22a:e4e9:a6b3 with SMTP id c16-20020adffb50000000b0022ae4e9a6b3mr6977062wrs.467.1663571744981; Mon, 19 Sep 2022 00:15:44 -0700 (PDT) Received: from localhost.localdomain ([94.73.32.249]) by smtp.gmail.com with ESMTPSA id l3-20020a5d4bc3000000b0022ac12fff29sm12864564wrt.65.2022.09.19.00.15.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Sep 2022 00:15:44 -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, geert@linux-m68k.org, dri-devel@lists.freedesktop.org, kunit-dev@googlegroups.com, linux-kernel@vger.kernel.org, =?UTF-8?q?Jos=C3=A9=20Exp=C3=B3sito?= , =?UTF-8?q?Ma=C3=ADra=20Canal?= Subject: [PATCH v4 3/3] drm/format-helper: Add KUnit tests for drm_fb_xrgb8888_to_gray8() Date: Mon, 19 Sep 2022 09:15:31 +0200 Message-Id: <20220919071531.105124-4-jose.exposito89@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220919071531.105124-1-jose.exposito89@gmail.com> References: <20220919071531.105124-1-jose.exposito89@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Extend the existing test cases to test the conversion from XRGB8888 to grayscale. Tested-by: Ma=C3=ADra Canal Reviewed-by: David Gow Signed-off-by: Jos=C3=A9 Exp=C3=B3sito --- .../gpu/drm/tests/drm_format_helper_test.c | 62 +++++++++++++++++++ 1 file changed, 62 insertions(+) diff --git a/drivers/gpu/drm/tests/drm_format_helper_test.c b/drivers/gpu/d= rm/tests/drm_format_helper_test.c index 09d358b54da0..71722e828abe 100644 --- a/drivers/gpu/drm/tests/drm_format_helper_test.c +++ b/drivers/gpu/drm/tests/drm_format_helper_test.c @@ -37,6 +37,11 @@ struct convert_to_xrgb2101010_result { const u32 expected[TEST_BUF_SIZE]; }; =20 +struct convert_to_gray8_result { + unsigned int dst_pitch; + const u8 expected[TEST_BUF_SIZE]; +}; + struct convert_xrgb8888_case { const char *name; unsigned int pitch; @@ -46,6 +51,7 @@ struct convert_xrgb8888_case { struct convert_to_rgb565_result rgb565_result; struct convert_to_rgb888_result rgb888_result; struct convert_to_xrgb2101010_result xrgb2101010_result; + struct convert_to_gray8_result gray8_result; }; =20 static struct convert_xrgb8888_case convert_xrgb8888_cases[] =3D { @@ -71,6 +77,10 @@ static struct convert_xrgb8888_case convert_xrgb8888_cas= es[] =3D { .dst_pitch =3D 0, .expected =3D { 0x3FF00000 }, }, + .gray8_result =3D { + .dst_pitch =3D 0, + .expected =3D { 0x4C }, + }, }, { .name =3D "single_pixel_clip_rectangle", @@ -97,6 +107,10 @@ static struct convert_xrgb8888_case convert_xrgb8888_ca= ses[] =3D { .dst_pitch =3D 0, .expected =3D { 0x3FF00000 }, }, + .gray8_result =3D { + .dst_pitch =3D 0, + .expected =3D { 0x4C }, + }, }, { /* Well known colors: White, black, red, green, blue, magenta, @@ -155,6 +169,15 @@ static struct convert_xrgb8888_case convert_xrgb8888_c= ases[] =3D { 0x3FFFFC00, 0x000FFFFF, }, }, + .gray8_result =3D { + .dst_pitch =3D 0, + .expected =3D { + 0xFF, 0x00, + 0x4C, 0x99, + 0x19, 0x66, + 0xE5, 0xB2, + }, + }, }, { /* Randomly picked colors. Full buffer within the clip area. */ @@ -206,6 +229,14 @@ static struct convert_xrgb8888_case convert_xrgb8888_c= ases[] =3D { 0x2A20300C, 0x1B1705CD, 0x03844672, 0x00000000, 0x00000000, }, }, + .gray8_result =3D { + .dst_pitch =3D 5, + .expected =3D { + 0x3C, 0x33, 0x34, 0x00, 0x00, + 0x6F, 0x3C, 0x33, 0x00, 0x00, + 0x34, 0x6F, 0x3C, 0x00, 0x00, + }, + }, }, }; =20 @@ -381,11 +412,42 @@ static void drm_test_fb_xrgb8888_to_xrgb2101010_test(= struct kunit *test) KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected, dst_size), 0); } =20 +static void drm_test_fb_xrgb8888_to_gray8_test(struct kunit *test) +{ + const struct convert_xrgb8888_case *params =3D test->param_value; + const struct convert_to_gray8_result *result =3D ¶ms->gray8_result; + size_t dst_size; + __u8 *buf =3D NULL; + __u32 *xrgb8888 =3D NULL; + struct iosys_map dst, src; + + struct drm_framebuffer fb =3D { + .format =3D drm_format_info(DRM_FORMAT_XRGB8888), + .pitches =3D { params->pitch, 0, 0 }, + }; + + dst_size =3D conversion_buf_size(DRM_FORMAT_R8, result->dst_pitch, + ¶ms->clip); + KUNIT_ASSERT_GT(test, dst_size, 0); + + buf =3D kunit_kzalloc(test, dst_size, GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf); + iosys_map_set_vaddr(&dst, buf); + + xrgb8888 =3D le32buf_to_cpu(test, params->xrgb8888, TEST_BUF_SIZE); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888); + iosys_map_set_vaddr(&src, xrgb8888); + + drm_fb_xrgb8888_to_gray8(&dst, &result->dst_pitch, &src, &fb, ¶ms->cl= ip); + KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected, dst_size), 0); +} + static struct kunit_case drm_format_helper_test_cases[] =3D { KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_rgb332, convert_xrgb8888_gen_par= ams), KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_rgb565, convert_xrgb8888_gen_par= ams), KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_rgb888_test, convert_xrgb8888_ge= n_params), KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_xrgb2101010_test, convert_xrgb88= 88_gen_params), + KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_gray8_test, convert_xrgb8888_gen= _params), {} }; =20 --=20 2.25.1