From patchwork Mon Aug 14 22:12:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Arthur Grillo X-Patchwork-Id: 13353362 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 CE05EC001DB for ; Mon, 14 Aug 2023 22:12:37 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 270D210E230; Mon, 14 Aug 2023 22:12:37 +0000 (UTC) Received: from mx0.riseup.net (mx0.riseup.net [198.252.153.6]) by gabe.freedesktop.org (Postfix) with ESMTPS id D012D10E22C for ; Mon, 14 Aug 2023 22:12:34 +0000 (UTC) Received: from fews01-sea.riseup.net (fews01-sea-pn.riseup.net [10.0.1.109]) (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 mx0.riseup.net (Postfix) with ESMTPS id 4RPpYG4RPRz9t4T; Mon, 14 Aug 2023 22:12:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=riseup.net; s=squak; t=1692051154; bh=ODMVAbqftWnlnYkJc5iKtcszrGDXZ1RkuscB+skncW8=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=kriu/WKlbsNtMpjXxM2gy85ItiyeffCryb99GJlmRhy/D/g0UkyyLtff1Tqg2WdSj 56AeRjgkNKV9ttDSWQeSb73zZoP9+OWoqzkVBuVqT4NDrERxs63msuD+3kxftrFr5E wt3Fg1xMZzAX7jNwyNHKyILf2iA5TLvxk3s9RcQQ= X-Riseup-User-ID: 10E943F48F3152BFE4E2F0EE96BE71C15A21336041B43CF8245C54DEDB7A39FA Received: from [127.0.0.1] (localhost [127.0.0.1]) by fews01-sea.riseup.net (Postfix) with ESMTPSA id 4RPpYC5c4JzJmsJ; Mon, 14 Aug 2023 22:12:31 +0000 (UTC) From: Arthur Grillo Date: Mon, 14 Aug 2023 19:12:02 -0300 Subject: [PATCH v3 3/6] drm/tests: Add KUnit tests for drm_fb_clip_offset() MIME-Version: 1.0 Message-Id: <20230814-gsoc-drm-format-test-v2-v3-3-bd3e9f9bc2fb@riseup.net> References: <20230814-gsoc-drm-format-test-v2-v3-0-bd3e9f9bc2fb@riseup.net> In-Reply-To: <20230814-gsoc-drm-format-test-v2-v3-0-bd3e9f9bc2fb@riseup.net> To: dri-devel@lists.freedesktop.org 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: Thomas Zimmermann , tales.aparecida@gmail.com, Javier Martinez Canillas , mairacanal@riseup.net, =?utf-8?b?Sm9zw6kgRXhww7NzaXRv?= , andrealmeid@riseup.net, Arthur Grillo Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Insert parameterized test for the drm_fb_clip_offset() to ensure correctness and prevent future regressions. Signed-off-by: Arthur Grillo Reviewed-by: Maíra Canal --- drivers/gpu/drm/tests/drm_format_helper_test.c | 91 ++++++++++++++++++++++++++ 1 file changed, 91 insertions(+) diff --git a/drivers/gpu/drm/tests/drm_format_helper_test.c b/drivers/gpu/drm/tests/drm_format_helper_test.c index d10e18fcb994..7f24da0b1e00 100644 --- a/drivers/gpu/drm/tests/drm_format_helper_test.c +++ b/drivers/gpu/drm/tests/drm_format_helper_test.c @@ -951,6 +951,96 @@ static void drm_test_fb_swab(struct kunit *test) KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); } +struct clip_offset_case { + const char *name; + unsigned int pitch; + u32 format; + struct drm_rect clip; + unsigned int expected_offset; +}; + +static struct clip_offset_case clip_offset_cases[] = { + { + .name = "pass through", + .pitch = TEST_USE_DEFAULT_PITCH, + .format = DRM_FORMAT_XRGB8888, + .clip = DRM_RECT_INIT(0, 0, 3, 3), + .expected_offset = 0 + }, + { + .name = "horizontal offset", + .pitch = TEST_USE_DEFAULT_PITCH, + .format = DRM_FORMAT_XRGB8888, + .clip = DRM_RECT_INIT(1, 0, 3, 3), + .expected_offset = 4, + }, + { + .name = "vertical offset", + .pitch = TEST_USE_DEFAULT_PITCH, + .format = DRM_FORMAT_XRGB8888, + .clip = DRM_RECT_INIT(0, 1, 3, 3), + .expected_offset = 12, + }, + { + .name = "horizontal and vertical offset", + .pitch = TEST_USE_DEFAULT_PITCH, + .format = DRM_FORMAT_XRGB8888, + .clip = DRM_RECT_INIT(1, 1, 3, 3), + .expected_offset = 16, + }, + { + .name = "horizontal offset (custom pitch)", + .pitch = 20, + .format = DRM_FORMAT_XRGB8888, + .clip = DRM_RECT_INIT(1, 0, 3, 3), + .expected_offset = 4, + }, + { + .name = "vertical offset (custom pitch)", + .pitch = 20, + .format = DRM_FORMAT_XRGB8888, + .clip = DRM_RECT_INIT(0, 1, 3, 3), + .expected_offset = 20, + }, + { + .name = "horizontal and vertical offset (custom pitch)", + .pitch = 20, + .format = DRM_FORMAT_XRGB8888, + .clip = DRM_RECT_INIT(1, 1, 3, 3), + .expected_offset = 24, + }, +}; + +static void clip_offset_case_desc(struct clip_offset_case *t, char *desc) +{ + strscpy(desc, t->name, KUNIT_PARAM_DESC_SIZE); +} + +KUNIT_ARRAY_PARAM(clip_offset, clip_offset_cases, clip_offset_case_desc); + +static void drm_test_fb_clip_offset(struct kunit *test) +{ + const struct clip_offset_case *params = test->param_value; + const struct drm_format_info *format_info = drm_format_info(params->format); + + unsigned int offset; + unsigned int pitch = params->pitch; + + if (pitch == TEST_USE_DEFAULT_PITCH) + pitch = drm_format_info_min_pitch(format_info, 0, + drm_rect_width(¶ms->clip)); + + /* + * Assure that the pitch is not zero, because this will inevitable cause the + * wrong expected result + */ + KUNIT_ASSERT_NE(test, pitch, 0); + + offset = drm_fb_clip_offset(pitch, format_info, ¶ms->clip); + + KUNIT_EXPECT_EQ(test, offset, params->expected_offset); +} + 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), @@ -964,6 +1054,7 @@ static struct kunit_case drm_format_helper_test_cases[] = { 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), + KUNIT_CASE_PARAM(drm_test_fb_clip_offset, clip_offset_gen_params), {} };