From patchwork Fri Jul 21 18:23:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Arthur Grillo X-Patchwork-Id: 13322429 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 61DEEEB64DD for ; Fri, 21 Jul 2023 18:23:55 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 665B510E6E8; Fri, 21 Jul 2023 18:23:54 +0000 (UTC) Received: from mx1.riseup.net (mx1.riseup.net [198.252.153.129]) by gabe.freedesktop.org (Postfix) with ESMTPS id C63DE10E6E8 for ; Fri, 21 Jul 2023 18:23:51 +0000 (UTC) Received: from fews02-sea.riseup.net (fews02-sea-pn.riseup.net [10.0.1.112]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx1.riseup.net (Postfix) with ESMTPS id 4R6ycR2x5kzDqxN; Fri, 21 Jul 2023 18:23:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=riseup.net; s=squak; t=1689963831; bh=Pb1JWzPCNi2gQlgwZx1PIRRDqZXQ0oWDcqavTTwODEA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DrXTlMqPVrH9oTDU3T8mIE1a7qAh0HEg9YLK++dMsldnVBWCekxVdoRyffFSGK+Ii zQbe7nTY4sgiM+/Bat5FYKPLAwHpILb4Pd1f1MaBO2ZWvgoplhTGzatFvR2FaPnK9w dW/kC86z1zZP620YF/cFNUpHgEZ3wwkGJonsXsZc= X-Riseup-User-ID: 4D2F8596D58296356BF7C594BBA8E4630BA96C2AD6390E7E467FAAFD916285F4 Received: from [127.0.0.1] (localhost [127.0.0.1]) by fews02-sea.riseup.net (Postfix) with ESMTPSA id 4R6ycM1DTfzFqjb; Fri, 21 Jul 2023 18:23:46 +0000 (UTC) From: Arthur Grillo To: dri-devel@lists.freedesktop.org Subject: [PATCH 2/6] drm/format-helper: Add KUnit tests for drm_fb_swab() Date: Fri, 21 Jul 2023 15:23:12 -0300 Message-ID: <20230721182316.560649-3-arthurgrillo@riseup.net> In-Reply-To: <20230721182316.560649-1-arthurgrillo@riseup.net> References: <20230721182316.560649-1-arthurgrillo@riseup.net> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: tzimmermann@suse.de, tales.aparecida@gmail.com, javierm@redhat.com, mairacanal@riseup.net, davidgow@google.com, jose.exposito89@gmail.com, andrealmeid@riseup.net, arthurgrillo@riseup.net Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Insert parameterized test for the drm_fb_swab() to ensure correctness and prevent future regressions. Signed-off-by: Arthur Grillo Reviewed-by: Maíra Canal --- .../gpu/drm/tests/drm_format_helper_test.c | 66 +++++++++++++++++++ 1 file changed, 66 insertions(+) diff --git a/drivers/gpu/drm/tests/drm_format_helper_test.c b/drivers/gpu/drm/tests/drm_format_helper_test.c index bc6894f0a202..abeda642d84a 100644 --- a/drivers/gpu/drm/tests/drm_format_helper_test.c +++ b/drivers/gpu/drm/tests/drm_format_helper_test.c @@ -74,6 +74,11 @@ struct convert_to_mono_result { const u8 expected[TEST_BUF_SIZE]; }; +struct fb_swab_result { + unsigned int dst_pitch; + const u32 expected[TEST_BUF_SIZE]; +}; + struct convert_xrgb8888_case { const char *name; unsigned int pitch; @@ -90,6 +95,7 @@ struct convert_xrgb8888_case { struct convert_to_xrgb2101010_result xrgb2101010_result; struct convert_to_argb2101010_result argb2101010_result; struct convert_to_mono_result mono_result; + struct fb_swab_result swab_result; }; static struct convert_xrgb8888_case convert_xrgb8888_cases[] = { @@ -143,6 +149,10 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = { .dst_pitch = TEST_USE_DEFAULT_PITCH, .expected = { 0b0 }, }, + .swab_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0x0000FF01 }, + }, }, { .name = "single_pixel_clip_rectangle", @@ -197,6 +207,10 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = { .dst_pitch = TEST_USE_DEFAULT_PITCH, .expected = { 0b0 }, }, + .swab_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0x0000FF10 }, + }, }, { /* Well known colors: White, black, red, green, blue, magenta, @@ -318,6 +332,15 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = { 0b11, }, }, + .swab_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { + 0xFFFFFF11, 0x00000022, + 0x0000FF33, 0x00FF0044, + 0xFF000055, 0xFF00FF66, + 0x00FFFF77, 0xFFFF0088, + }, + }, }, { /* Randomly picked colors. Full buffer within the clip area. */ @@ -425,6 +448,14 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = { 0b010, 0b000, }, }, + .swab_result = { + .dst_pitch = 20, + .expected = { + 0x9C440EA1, 0x054D11B1, 0x03F3A8C1, 0x00000000, 0x00000000, + 0x73F06CD1, 0x9C440EA2, 0x054D11B2, 0x00000000, 0x00000000, + 0x0303A8C2, 0x73F06CD2, 0x9C440EA3, 0x00000000, 0x00000000, + }, + }, }, }; @@ -892,6 +923,40 @@ static void drm_test_fb_xrgb8888_to_mono(struct kunit *test) KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); } +static void drm_test_fb_swab(struct kunit *test) +{ + const struct convert_xrgb8888_case *params = test->param_value; + const struct fb_swab_result *result = ¶ms->swab_result; + size_t dst_size; + u32 *buf = NULL; + __le32 *xrgb8888 = NULL; + struct iosys_map dst, src; + + struct drm_framebuffer fb = { + .format = drm_format_info(DRM_FORMAT_XRGB8888), + .pitches = { params->pitch, 0, 0 }, + }; + + dst_size = conversion_buf_size(DRM_FORMAT_XRGB8888, result->dst_pitch, ¶ms->clip); + + KUNIT_ASSERT_GT(test, dst_size, 0); + + buf = kunit_kzalloc(test, dst_size, GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf); + iosys_map_set_vaddr(&dst, buf); + + xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888); + iosys_map_set_vaddr(&src, xrgb8888); + + if (result->dst_pitch == TEST_USE_DEFAULT_PITCH) + drm_fb_swab(&dst, NULL, &src, &fb, ¶ms->clip, false); + else + drm_fb_swab(&dst, &result->dst_pitch, &src, &fb, ¶ms->clip, false); + buf = le32buf_to_cpu(test, (__force const __le32 *)buf, dst_size / sizeof(u32)); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); +} + static struct kunit_case drm_format_helper_test_cases[] = { KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_gray8, convert_xrgb8888_gen_params), KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_rgb332, convert_xrgb8888_gen_params), @@ -904,6 +969,7 @@ static struct kunit_case drm_format_helper_test_cases[] = { KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_xrgb2101010, convert_xrgb8888_gen_params), KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_argb2101010, convert_xrgb8888_gen_params), KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_mono, convert_xrgb8888_gen_params), + KUNIT_CASE_PARAM(drm_test_fb_swab, convert_xrgb8888_gen_params), {} };