From patchwork Fri Feb 23 11:37:29 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Louis Chauvet X-Patchwork-Id: 13568941 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 EF554C5478C for ; Fri, 23 Feb 2024 11:38:19 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8794E10EBD0; Fri, 23 Feb 2024 11:38:18 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=bootlin.com header.i=@bootlin.com header.b="VFekYC8Z"; dkim-atps=neutral Received: from relay2-d.mail.gandi.net (relay2-d.mail.gandi.net [217.70.183.194]) by gabe.freedesktop.org (Postfix) with ESMTPS id C96E410E0C5 for ; Fri, 23 Feb 2024 11:37:52 +0000 (UTC) Received: by mail.gandi.net (Postfix) with ESMTPSA id C445D4000F; Fri, 23 Feb 2024 11:37:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1708688271; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=6/uAsG5Jzk7tw7K+ro+IYvCPbIFvsjURySsIlhGEh+s=; b=VFekYC8ZIL4eSE9sGzxrCu9kK7A+NBl17oSlnsPJ1dFUoad3B0h4IbwFMpMYyxqoe+rD0H nzdS2EVtGK00N+ORgNT6XM8CD6Q4HGYxtBihmqavl1ywfoeUrOF0wk5UVggM8qSSnAQxmq HiQA9Qe4tujw90WVpFyv6cXCoabOboyBagMWEfC/wCzGeX9GsjvC/4Rq5YqKbSJuTsmk7G M5xPVFdT7t7wjcN/hJkCOz5mOHoj4bUvhDDej/mkfeBwpM3wbPosNgoQwhNLt4ap4wEpsR tShgpFMld+WrkgXDEiOJ+xa7yj2fKYPuv2bqi27l5y0kffgEJeYqlJtRv8B1Cw== From: Louis Chauvet Date: Fri, 23 Feb 2024 12:37:29 +0100 Subject: [PATCH v2 9/9] drm/vkms: Create KUnit tests for YUV conversions MIME-Version: 1.0 Message-Id: <20240223-yuv-v2-9-aa6be2827bb7@bootlin.com> References: <20240223-yuv-v2-0-aa6be2827bb7@bootlin.com> In-Reply-To: <20240223-yuv-v2-0-aa6be2827bb7@bootlin.com> To: Rodrigo Siqueira , Melissa Wen , =?utf-8?q?Ma=C3=ADra_Canal?= , Haneen Mohammed , Daniel Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , arthurgrillo@riseup.net, Jonathan Corbet Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, jeremie.dautheribes@bootlin.com, miquel.raynal@bootlin.com, thomas.petazzoni@bootlin.com, Louis Chauvet X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=9589; i=louis.chauvet@bootlin.com; h=from:subject:message-id; bh=6XGbmMJEqhgEJWTl1n4SZWXpBs90sgie29UDQGxwWdI=; b=owEBbQKS/ZANAwAIASCtLsZbECziAcsmYgBl2IOF80X8OnoSpyP4OU6ccp11jjdSSj+6CqfRM/s2 Mukdt+OJAjMEAAEIAB0WIQRPj7g/vng8MQxQWQQgrS7GWxAs4gUCZdiDhQAKCRAgrS7GWxAs4pYTD/ 4/91LtSPsX5Ss0nBDjIzZzBK+O2owp3lYMClxPSwEWCXo75Wq85GNJ3t2OuvTwEZ8ak/MSe8OJ2Plv 59mP4tuon7uSygyiJceoEcBUaxnNDipdVKWHUjLESI/PbVuvdL+qKLEuVHnmzLKOG5WfBEek3+WKPg qnVj37dv5RahrhteMkJ/YAJZKCXIIWrVjFA31u+UHZwlMXnIrd9S+/6QLKriKndWhE0gL41GRmhLlb X1E+FUBOrYgP+IaFVUD0aGrXNPMpLd4EXTjMiHdPkInBJoXqsjAG4IozmKXpAKM80hMM/AGlx2uWh5 FYrkyWKeqPH84nDveeEQphuNB9NP4m5umueLmUvADE38LENCSB6ABzuai7rcK45M7ZdlamLIAScE89 r39AaZzJy7LB8dciVGxUuM5qXrofGWAArC/oG1d2e6JjZhbHYodmkbuZwFiggWWaejSjGs1vjWtnBj NvWK5XRIwFuZBqlnPvTl+lTk9OHN/pOm6NJ/pWqWDOphhHqQv/V/RFVOn+jb0RaXryygLaBUiNyQzY PAIpCLSF4upoyz0h6osWmqF98R3vO60SMquHd3xoJfEooSFo4Le5EsIqzGL2go5+kOi900DK+FNd/F uYgSiLK6mUPdI7MxuRzL1YnrvqxyNwjyZ3AmN0zyOkpoDLruEjuj7SIlpCnA== X-Developer-Key: i=louis.chauvet@bootlin.com; a=openpgp; fpr=8B7104AE9A272D6693F527F2EC1883F55E0B40A5 X-GND-Sasl: louis.chauvet@bootlin.com 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Arthur Grillo Create KUnit tests to test the conversion between YUV and RGB. Test each conversion and range combination with some common colors. Signed-off-by: Arthur Grillo [Louis Chauvet: fix minor formating issues (whitespace, double line)] Signed-off-by: Louis Chauvet --- drivers/gpu/drm/vkms/Makefile | 1 + drivers/gpu/drm/vkms/tests/.kunitconfig | 4 + drivers/gpu/drm/vkms/tests/Makefile | 3 + drivers/gpu/drm/vkms/tests/vkms_format_test.c | 155 ++++++++++++++++++++++++++ drivers/gpu/drm/vkms/vkms_formats.c | 9 +- drivers/gpu/drm/vkms/vkms_formats.h | 5 + 6 files changed, 175 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/vkms/Makefile b/drivers/gpu/drm/vkms/Makefile index 1b28a6a32948..8d3e46dde635 100644 --- a/drivers/gpu/drm/vkms/Makefile +++ b/drivers/gpu/drm/vkms/Makefile @@ -9,3 +9,4 @@ vkms-y := \ vkms_writeback.o obj-$(CONFIG_DRM_VKMS) += vkms.o +obj-$(CONFIG_DRM_VKMS_KUNIT_TESTS) += tests/ diff --git a/drivers/gpu/drm/vkms/tests/.kunitconfig b/drivers/gpu/drm/vkms/tests/.kunitconfig new file mode 100644 index 000000000000..70e378228cbd --- /dev/null +++ b/drivers/gpu/drm/vkms/tests/.kunitconfig @@ -0,0 +1,4 @@ +CONFIG_KUNIT=y +CONFIG_DRM=y +CONFIG_DRM_VKMS=y +CONFIG_DRM_VKMS_KUNIT_TESTS=y diff --git a/drivers/gpu/drm/vkms/tests/Makefile b/drivers/gpu/drm/vkms/tests/Makefile new file mode 100644 index 000000000000..2d1df668569e --- /dev/null +++ b/drivers/gpu/drm/vkms/tests/Makefile @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0-only + +obj-$(CONFIG_DRM_VKMS_KUNIT_TESTS) += vkms_format_test.o diff --git a/drivers/gpu/drm/vkms/tests/vkms_format_test.c b/drivers/gpu/drm/vkms/tests/vkms_format_test.c new file mode 100644 index 000000000000..cb6d32ff115d --- /dev/null +++ b/drivers/gpu/drm/vkms/tests/vkms_format_test.c @@ -0,0 +1,155 @@ +// SPDX-License-Identifier: GPL-2.0+ + +#include + +#include +#include +#include + +#include "../../drm_crtc_internal.h" + +#include "../vkms_drv.h" +#include "../vkms_formats.h" + +#define TEST_BUFF_SIZE 50 + +struct yuv_u8_to_argb_u16_case { + enum drm_color_encoding encoding; + enum drm_color_range range; + size_t n_colors; + struct format_pair { + char *name; + struct pixel_yuv_u8 yuv; + struct pixel_argb_u16 argb; + } colors[TEST_BUFF_SIZE]; +}; + +static struct yuv_u8_to_argb_u16_case yuv_u8_to_argb_u16_cases[] = { + { + .encoding = DRM_COLOR_YCBCR_BT601, + .range = DRM_COLOR_YCBCR_FULL_RANGE, + .n_colors = 6, + .colors = { + {"white", {0xff, 0x80, 0x80}, {0x0000, 0xffff, 0xffff, 0xffff}}, + {"gray", {0x80, 0x80, 0x80}, {0x0000, 0x8000, 0x8000, 0x8000}}, + {"black", {0x00, 0x80, 0x80}, {0x0000, 0x0000, 0x0000, 0x0000}}, + {"red", {0x4c, 0x55, 0xff}, {0x0000, 0xffff, 0x0000, 0x0000}}, + {"green", {0x96, 0x2c, 0x15}, {0x0000, 0x0000, 0xffff, 0x0000}}, + {"blue", {0x1d, 0xff, 0x6b}, {0x0000, 0x0000, 0x0000, 0xffff}}, + }, + }, + { + .encoding = DRM_COLOR_YCBCR_BT601, + .range = DRM_COLOR_YCBCR_LIMITED_RANGE, + .n_colors = 6, + .colors = { + {"white", {0xeb, 0x80, 0x80}, {0x0000, 0xffff, 0xffff, 0xffff}}, + {"gray", {0x7e, 0x80, 0x80}, {0x0000, 0x8000, 0x8000, 0x8000}}, + {"black", {0x10, 0x80, 0x80}, {0x0000, 0x0000, 0x0000, 0x0000}}, + {"red", {0x51, 0x5a, 0xf0}, {0x0000, 0xffff, 0x0000, 0x0000}}, + {"green", {0x91, 0x36, 0x22}, {0x0000, 0x0000, 0xffff, 0x0000}}, + {"blue", {0x29, 0xf0, 0x6e}, {0x0000, 0x0000, 0x0000, 0xffff}}, + }, + }, + { + .encoding = DRM_COLOR_YCBCR_BT709, + .range = DRM_COLOR_YCBCR_FULL_RANGE, + .n_colors = 4, + .colors = { + {"white", {0xff, 0x80, 0x80}, {0x0000, 0xffff, 0xffff, 0xffff}}, + {"gray", {0x80, 0x80, 0x80}, {0x0000, 0x8000, 0x8000, 0x8000}}, + {"black", {0x00, 0x80, 0x80}, {0x0000, 0x0000, 0x0000, 0x0000}}, + {"red", {0x35, 0x63, 0xff}, {0x0000, 0xffff, 0x0000, 0x0000}}, + {"green", {0xb6, 0x1e, 0x0c}, {0x0000, 0x0000, 0xffff, 0x0000}}, + {"blue", {0x12, 0xff, 0x74}, {0x0000, 0x0000, 0x0000, 0xffff}}, + }, + }, + { + .encoding = DRM_COLOR_YCBCR_BT709, + .range = DRM_COLOR_YCBCR_LIMITED_RANGE, + .n_colors = 4, + .colors = { + {"white", {0xeb, 0x80, 0x80}, {0x0000, 0xffff, 0xffff, 0xffff}}, + {"gray", {0x7e, 0x80, 0x80}, {0x0000, 0x8000, 0x8000, 0x8000}}, + {"black", {0x10, 0x80, 0x80}, {0x0000, 0x0000, 0x0000, 0x0000}}, + {"red", {0x3f, 0x66, 0xf0}, {0x0000, 0xffff, 0x0000, 0x0000}}, + {"green", {0xad, 0x2a, 0x1a}, {0x0000, 0x0000, 0xffff, 0x0000}}, + {"blue", {0x20, 0xf0, 0x76}, {0x0000, 0x0000, 0x0000, 0xffff}}, + }, + }, + { + .encoding = DRM_COLOR_YCBCR_BT2020, + .range = DRM_COLOR_YCBCR_FULL_RANGE, + .n_colors = 4, + .colors = { + {"white", {0xff, 0x80, 0x80}, {0x0000, 0xffff, 0xffff, 0xffff}}, + {"gray", {0x80, 0x80, 0x80}, {0x0000, 0x8000, 0x8000, 0x8000}}, + {"black", {0x00, 0x80, 0x80}, {0x0000, 0x0000, 0x0000, 0x0000}}, + {"red", {0x43, 0x5c, 0xff}, {0x0000, 0xffff, 0x0000, 0x0000}}, + {"green", {0xad, 0x24, 0x0b}, {0x0000, 0x0000, 0xffff, 0x0000}}, + {"blue", {0x0f, 0xff, 0x76}, {0x0000, 0x0000, 0x0000, 0xffff}}, + }, + }, + { + .encoding = DRM_COLOR_YCBCR_BT2020, + .range = DRM_COLOR_YCBCR_LIMITED_RANGE, + .n_colors = 4, + .colors = { + {"white", {0xeb, 0x80, 0x80}, {0x0000, 0xffff, 0xffff, 0xffff}}, + {"gray", {0x7e, 0x80, 0x80}, {0x0000, 0x8000, 0x8000, 0x8000}}, + {"black", {0x10, 0x80, 0x80}, {0x0000, 0x0000, 0x0000, 0x0000}}, + {"red", {0x4a, 0x61, 0xf0}, {0x0000, 0xffff, 0x0000, 0x0000}}, + {"green", {0xa4, 0x2f, 0x19}, {0x0000, 0x0000, 0xffff, 0x0000}}, + {"blue", {0x1d, 0xf0, 0x77}, {0x0000, 0x0000, 0x0000, 0xffff}}, + }, + }, +}; + +static void vkms_format_test_yuv_u8_to_argb_u16(struct kunit *test) +{ + const struct yuv_u8_to_argb_u16_case *param = test->param_value; + struct pixel_argb_u16 argb; + + for (size_t i = 0; i < param->n_colors; i++) { + const struct format_pair *color = ¶m->colors[i]; + + yuv_u8_to_argb_u16(&argb, &color->yuv, param->encoding, param->range); + + KUNIT_EXPECT_LE_MSG(test, abs_diff(argb.a, color->argb.a), 257, + "On the A channel of the color %s expected 0x%04x, got 0x%04x", + color->name, color->argb.a, argb.a); + KUNIT_EXPECT_LE_MSG(test, abs_diff(argb.r, color->argb.r), 257, + "On the R channel of the color %s expected 0x%04x, got 0x%04x", + color->name, color->argb.r, argb.r); + KUNIT_EXPECT_LE_MSG(test, abs_diff(argb.g, color->argb.g), 257, + "On the G channel of the color %s expected 0x%04x, got 0x%04x", + color->name, color->argb.g, argb.g); + KUNIT_EXPECT_LE_MSG(test, abs_diff(argb.b, color->argb.b), 257, + "On the B channel of the color %s expected 0x%04x, got 0x%04x", + color->name, color->argb.b, argb.b); + } +} + +static void vkms_format_test_yuv_u8_to_argb_u16_case_desc(struct yuv_u8_to_argb_u16_case *t, + char *desc) +{ + snprintf(desc, KUNIT_PARAM_DESC_SIZE, "%s - %s", + drm_get_color_encoding_name(t->encoding), drm_get_color_range_name(t->range)); +} + +KUNIT_ARRAY_PARAM(yuv_u8_to_argb_u16, yuv_u8_to_argb_u16_cases, + vkms_format_test_yuv_u8_to_argb_u16_case_desc); + +static struct kunit_case vkms_format_test_cases[] = { + KUNIT_CASE_PARAM(vkms_format_test_yuv_u8_to_argb_u16, yuv_u8_to_argb_u16_gen_params), + {} +}; + +static struct kunit_suite vkms_format_test_suite = { + .name = "vkms-format", + .test_cases = vkms_format_test_cases, +}; + +kunit_test_suite(vkms_format_test_suite); + +MODULE_LICENSE("GPL"); diff --git a/drivers/gpu/drm/vkms/vkms_formats.c b/drivers/gpu/drm/vkms/vkms_formats.c index 515c80866a58..20dd23ce9051 100644 --- a/drivers/gpu/drm/vkms/vkms_formats.c +++ b/drivers/gpu/drm/vkms/vkms_formats.c @@ -7,6 +7,8 @@ #include #include +#include + #include "vkms_formats.h" /** @@ -175,8 +177,10 @@ static void ycbcr2rgb(const s16 m[3][3], u8 y, u8 cb, u8 cr, u8 y_offset, u8 *r, *b = clamp(b_16, 0, 0xffff) >> 8; } -static void yuv_u8_to_argb_u16(struct pixel_argb_u16 *argb_u16, const struct pixel_yuv_u8 *yuv_u8, - enum drm_color_encoding encoding, enum drm_color_range range) +VISIBLE_IF_KUNIT void yuv_u8_to_argb_u16(struct pixel_argb_u16 *argb_u16, + const struct pixel_yuv_u8 *yuv_u8, + enum drm_color_encoding encoding, + enum drm_color_range range) { static const s16 bt601_full[3][3] = { { 256, 0, 359 }, @@ -237,6 +241,7 @@ static void yuv_u8_to_argb_u16(struct pixel_argb_u16 *argb_u16, const struct pix argb_u16->g = g * 257; argb_u16->b = b * 257; } +EXPORT_SYMBOL_IF_KUNIT(yuv_u8_to_argb_u16); /* * The following functions are read_line function for each pixel format supported by VKMS. diff --git a/drivers/gpu/drm/vkms/vkms_formats.h b/drivers/gpu/drm/vkms/vkms_formats.h index 5a3a9e1328d8..4245a5c5e956 100644 --- a/drivers/gpu/drm/vkms/vkms_formats.h +++ b/drivers/gpu/drm/vkms/vkms_formats.h @@ -13,4 +13,9 @@ struct pixel_yuv_u8 { u8 y, u, v; }; +#if IS_ENABLED(CONFIG_KUNIT) +void yuv_u8_to_argb_u16(struct pixel_argb_u16 *argb_u16, const struct pixel_yuv_u8 *yuv_u8, + enum drm_color_encoding encoding, enum drm_color_range range); +#endif + #endif /* _VKMS_FORMATS_H_ */