From patchwork Thu Nov 17 09:28:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 13046457 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 E35EEC4332F for ; Thu, 17 Nov 2022 09:34:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=S8wuD6AGKZmFbkUWvsIuKJxOTRVaddaEaEQR7BaaxAs=; b=FgrijFDt3qM7Nc f8qy2yL7KQAiOPj+ycKOQAseUejuNGfSTECLpN4ptpRtwW/gdqlTxz2Rh9BBF2TcrtReUV2XZbMjy yt2Kemqt5XH+E0afYRalJ75i3oW9A6ihgRxeO7rLmAyhdNxbhPlDn0/UisCLdcai6pv7qouSUqHe8 EegF6KVnoGRQairRc5sSjM+WKXcmFvQJiG1LVXniO/6kAWigP2cpZIMy8ZZICH/BhHhP6TCd+QzrL kVcD9yHZPI2tCbXEL5T/nVWiybGowa7XoRbzVjUWtE2uYy7Kmf3FbKTSj4y4EY6Ij5QhcZfE1TSEw k/zPbqOvzA3NSSDPmH7g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ovbGy-00C7zW-SI; Thu, 17 Nov 2022 09:33:29 +0000 Received: from wnew2-smtp.messagingengine.com ([64.147.123.27]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ovbDA-00C61X-3N for linux-arm-kernel@lists.infradead.org; Thu, 17 Nov 2022 09:29:34 +0000 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailnew.west.internal (Postfix) with ESMTP id 842052B069CC; Thu, 17 Nov 2022 04:29:29 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Thu, 17 Nov 2022 04:29:31 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cerno.tech; h=cc :cc:content-transfer-encoding:content-type:date:date:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to; s=fm2; t=1668677369; x= 1668684569; bh=WSVVp9bob0oe9L15YojZgH0b6nfaFst7/KJ8rEj508c=; b=f B+XPThEIbaZfa80u/aF605xC9TScVI+7rnkuJ+GAftnKW6YJZ8iAggzbBDulRVum vLQ29jVAbFHDM/0sIGlcar5C2jRuBpdbQvyPbWG1eBOVZ+B/+MysVjzCJWEMBiEM /AOUlmZ4XtHWZ1rp+bykHei1xg2/BgtNaY6zA34CBYV+x0NA3cSDFTvtA1rwtyKn psSqhae19k3uO9UumRV550dAoG79Dau8rl86+FMgwofeddmxlMUB7cwgJqZVO4jy OXvG8LOMBaA9xW5OxCCe2ALnAcaX0Htk2B+8jPmNftSixoF/X0wEhCORySQxhQE6 56pNELmIsoq84RPHTSDcw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:date:date:feedback-id:feedback-id:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to:x-me-proxy:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm1; t=1668677369; x= 1668684569; bh=WSVVp9bob0oe9L15YojZgH0b6nfaFst7/KJ8rEj508c=; b=v l83gBHY+tuxk2Dj54OlmxNORYAe6kd7PmSxW09wjs53dOXTIANAWhSLNFwWbwheb ZvHnr0nA67sumy6dUe8Ya7J6tfic+KnAeN6ExkQcaTWEvEjLfDLlyyLDnFq9AXEj JHR/A5i25oOcefbRzCMERENURgjoZ2aHQ7Ee5je/lQKzvU8xjx2IIZfJcsQLgHG7 L4OvcNGI/rEy0eMa9KqRV2uO3Y33ZGEVHgE3uvZ7o9jg/DwRk7Vn9AW0iNXzVg+7 IZ9Tfzz1E2Rc6+0lxQolG8UvFgh3H2/dFwdFE3WCZEkUhwvrqAPG1PIbTl5h3ysd HaMzZgGXnYmL7ne4aucuQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvgedrgeekgddtfecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpefhfffuggfgtgfkfhgjvfevofesthekredtredtjeenucfhrhhomhepofgrgihi mhgvucftihhprghrugcuoehmrgigihhmvgestggvrhhnohdrthgvtghhqeenucggtffrrg htthgvrhhnpedvgfevjefhtdetveevhfelieeuueetgfdvgeevkeegudejffegfffgtedt leelhfenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpe hmrgigihhmvgestggvrhhnohdrthgvtghh X-ME-Proxy: Feedback-ID: i8771445c:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Thu, 17 Nov 2022 04:29:28 -0500 (EST) From: Maxime Ripard Date: Thu, 17 Nov 2022 10:28:51 +0100 Subject: [PATCH v10 08/19] drm/modes: Introduce the tv_mode property as a command-line option MIME-Version: 1.0 Message-Id: <20220728-rpi-analog-tv-properties-v10-8-256dad125326@cerno.tech> References: <20220728-rpi-analog-tv-properties-v10-0-256dad125326@cerno.tech> In-Reply-To: <20220728-rpi-analog-tv-properties-v10-0-256dad125326@cerno.tech> To: Samuel Holland , Jernej Skrabec , Maarten Lankhorst , Rodrigo Vivi , Joonas Lahtinen , Maxime Ripard , Ben Skeggs , Chen-Yu Tsai , David Airlie , Jani Nikula , Tvrtko Ursulin , Emma Anholt , Karol Herbst , Lyude Paul , Thomas Zimmermann , Daniel Vetter Cc: =?unknown-8bit?q?Dave_Stevenson_=3Cdave=2Estevenson=40raspberrypi=2Ecom?= =?unknown-8bit?q?=3E=2C_Hans_de_Goede_=3Chdegoede=40redhat=2Ecom=3E=2C_nouv?= =?unknown-8bit?q?eau=40lists=2Efreedesktop=2Eorg=2C?= =?unknown-8bit?q?_intel-gfx=40lists=2Efreedesktop=2Eorg=2C_Noralf_Tr=C3=B8nn?= =?unknown-8bit?q?es_=3Cnoralf=40tronnes=2Eorg=3E=2C_dri-devel=40lists=2Efre?= =?unknown-8bit?q?edesktop=2Eorg=2C?= =?unknown-8bit?q?_Mateusz_Kwiatkowski_=3Ckfyatek+publicgit=40gmail=2Ecom=3E?= =?unknown-8bit?q?=2C_linux-kernel=40vger=2Ekernel=2Eorg=2C_linux-arm-kernel?= =?unknown-8bit?q?=40lists=2Einfradead=2Eorg=2C?= =?unknown-8bit?q?_linux-sunxi=40lists=2Elinux=2Edev=2C_Maxime_Ripard_=3Cmaxi?= =?unknown-8bit?q?me=40cerno=2Etech=3E=2C_Dom_Cobley_=3Cdom=40raspberrypi=2E?= =?unknown-8bit?q?com=3E=2C?= =?unknown-8bit?q?_Phil_Elwell_=3Cphil=40raspberrypi=2Ecom=3E=2C_Geert_Uytter?= =?unknown-8bit?q?hoeven_=3Cgeert=40linux-m68k=2Eorg=3E?= X-Mailer: b4 0.11.0-dev-99e3a X-Developer-Signature: v=1; a=openpgp-sha256; l=8579; i=maxime@cerno.tech; h=from:subject:message-id; bh=XTak/BhhFVwDoyB+RGSU8AOydVTHUNdn3AeM3Hxw7hI=; b=owGbwMvMwCX2+D1vfrpE4FHG02pJDMml/y7sLF/zIDLvibPf5F1mUe6OopEMsw9GJeY9shFmnvJ9 ZdH+jlIWBjEuBlkxRZYYYfMlcadmve5k45sHM4eVCWQIAxenAEykPoiR4Z4tb9izpnPXPC5ana6KE3 BZtl72Qer8FToMur4sD7cw5DP8T1t0sKF1kfuOPIeaa7uq6t5Kb+QS9G0O/DDP8N/mNVOKeAE= X-Developer-Key: i=maxime@cerno.tech; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221117_012932_238051_54F4F659 X-CRM114-Status: GOOD ( 20.10 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Our new tv mode option allows to specify the TV mode from a property. However, it can still be useful, for example to avoid any boot time artifact, to set that property directly from the kernel command line. Let's add some code to allow it, and some unit tests to exercise that code. Reviewed-by: Noralf Trønnes Tested-by: Mateusz Kwiatkowski Signed-off-by: Maxime Ripard --- Changes in v10: - Fix checkpatch warning Changes in v7: - Add Noralf Reviewed-by Changes in v6: - Add a tv_mode_specified field Changes in v4: - Add Documentation of the command-line option to modedb.rst --- Documentation/fb/modedb.rst | 2 + drivers/gpu/drm/drm_modes.c | 37 ++++++++++++-- drivers/gpu/drm/tests/drm_cmdline_parser_test.c | 68 +++++++++++++++++++++++++ include/drm/drm_connector.h | 12 +++++ 4 files changed, 116 insertions(+), 3 deletions(-) diff --git a/Documentation/fb/modedb.rst b/Documentation/fb/modedb.rst index e53375033146..bebfe61caa77 100644 --- a/Documentation/fb/modedb.rst +++ b/Documentation/fb/modedb.rst @@ -70,6 +70,8 @@ Valid options are:: - reflect_y (boolean): Perform an axial symmetry on the Y axis - rotate (integer): Rotate the initial framebuffer by x degrees. Valid values are 0, 90, 180 and 270. + - tv_mode: Analog TV mode. One of "NTSC", "NTSC-443", "NTSC-J", "PAL", + "PAL-M", "PAL-N", or "SECAM". - panel_orientation, one of "normal", "upside_down", "left_side_up", or "right_side_up". For KMS drivers only, this sets the "panel orientation" property on the kms connector as hint for kms users. diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c index 9426c87df623..f9fe065f189b 100644 --- a/drivers/gpu/drm/drm_modes.c +++ b/drivers/gpu/drm/drm_modes.c @@ -2135,6 +2135,30 @@ static int drm_mode_parse_panel_orientation(const char *delim, return 0; } +static int drm_mode_parse_tv_mode(const char *delim, + struct drm_cmdline_mode *mode) +{ + const char *value; + int ret; + + if (*delim != '=') + return -EINVAL; + + value = delim + 1; + delim = strchr(value, ','); + if (!delim) + delim = value + strlen(value); + + ret = drm_get_tv_mode_from_name(value, delim - value); + if (ret < 0) + return ret; + + mode->tv_mode_specified = true; + mode->tv_mode = ret; + + return 0; +} + static int drm_mode_parse_cmdline_options(const char *str, bool freestanding, const struct drm_connector *connector, @@ -2204,6 +2228,9 @@ static int drm_mode_parse_cmdline_options(const char *str, } else if (!strncmp(option, "panel_orientation", delim - option)) { if (drm_mode_parse_panel_orientation(delim, mode)) return -EINVAL; + } else if (!strncmp(option, "tv_mode", delim - option)) { + if (drm_mode_parse_tv_mode(delim, mode)) + return -EINVAL; } else { return -EINVAL; } @@ -2232,20 +2259,22 @@ struct drm_named_mode { unsigned int xres; unsigned int yres; unsigned int flags; + unsigned int tv_mode; }; -#define NAMED_MODE(_name, _pclk, _x, _y, _flags) \ +#define NAMED_MODE(_name, _pclk, _x, _y, _flags, _mode) \ { \ .name = _name, \ .pixel_clock_khz = _pclk, \ .xres = _x, \ .yres = _y, \ .flags = _flags, \ + .tv_mode = _mode, \ } static const struct drm_named_mode drm_named_modes[] = { - NAMED_MODE("NTSC", 13500, 720, 480, DRM_MODE_FLAG_INTERLACE), - NAMED_MODE("PAL", 13500, 720, 576, DRM_MODE_FLAG_INTERLACE), + NAMED_MODE("NTSC", 13500, 720, 480, DRM_MODE_FLAG_INTERLACE, DRM_MODE_TV_MODE_NTSC), + NAMED_MODE("PAL", 13500, 720, 576, DRM_MODE_FLAG_INTERLACE, DRM_MODE_TV_MODE_PAL), }; static int drm_mode_parse_cmdline_named_mode(const char *name, @@ -2290,6 +2319,8 @@ static int drm_mode_parse_cmdline_named_mode(const char *name, cmdline_mode->xres = mode->xres; cmdline_mode->yres = mode->yres; cmdline_mode->interlace = !!(mode->flags & DRM_MODE_FLAG_INTERLACE); + cmdline_mode->tv_mode = mode->tv_mode; + cmdline_mode->tv_mode_specified = true; cmdline_mode->specified = true; return 1; diff --git a/drivers/gpu/drm/tests/drm_cmdline_parser_test.c b/drivers/gpu/drm/tests/drm_cmdline_parser_test.c index 34790e7a3760..88f7f518ffb3 100644 --- a/drivers/gpu/drm/tests/drm_cmdline_parser_test.c +++ b/drivers/gpu/drm/tests/drm_cmdline_parser_test.c @@ -927,6 +927,14 @@ static const struct drm_cmdline_invalid_test drm_cmdline_invalid_tests[] = { .name = "invalid_option", .cmdline = "720x480,test=42", }, + { + .name = "invalid_tv_option", + .cmdline = "720x480i,tv_mode=invalid", + }, + { + .name = "truncated_tv_option", + .cmdline = "720x480i,tv_mode=NTS", + }, }; static void drm_cmdline_invalid_desc(const struct drm_cmdline_invalid_test *t, @@ -937,6 +945,65 @@ static void drm_cmdline_invalid_desc(const struct drm_cmdline_invalid_test *t, KUNIT_ARRAY_PARAM(drm_cmdline_invalid, drm_cmdline_invalid_tests, drm_cmdline_invalid_desc); +struct drm_cmdline_tv_option_test { + const char *name; + const char *cmdline; + struct drm_display_mode *(*mode_fn)(struct drm_device *dev); + enum drm_connector_tv_mode tv_mode; +}; + +static void drm_test_cmdline_tv_options(struct kunit *test) +{ + const struct drm_cmdline_tv_option_test *params = test->param_value; + const struct drm_display_mode *expected_mode = params->mode_fn(NULL); + struct drm_cmdline_mode mode = { }; + + KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(params->cmdline, + &no_connector, &mode)); + KUNIT_EXPECT_TRUE(test, mode.specified); + KUNIT_EXPECT_EQ(test, mode.xres, expected_mode->hdisplay); + KUNIT_EXPECT_EQ(test, mode.yres, expected_mode->vdisplay); + KUNIT_EXPECT_EQ(test, mode.tv_mode, params->tv_mode); + + KUNIT_EXPECT_FALSE(test, mode.refresh_specified); + + KUNIT_EXPECT_FALSE(test, mode.bpp_specified); + + KUNIT_EXPECT_FALSE(test, mode.rb); + KUNIT_EXPECT_FALSE(test, mode.cvt); + KUNIT_EXPECT_EQ(test, mode.interlace, !!(expected_mode->flags & DRM_MODE_FLAG_INTERLACE)); + KUNIT_EXPECT_FALSE(test, mode.margins); + KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED); +} + +#define TV_OPT_TEST(_opt, _cmdline, _mode_fn) \ + { \ + .name = #_opt, \ + .cmdline = _cmdline, \ + .mode_fn = _mode_fn, \ + .tv_mode = DRM_MODE_TV_MODE_ ## _opt, \ + } + +static const struct drm_cmdline_tv_option_test drm_cmdline_tv_option_tests[] = { + TV_OPT_TEST(NTSC, "720x480i,tv_mode=NTSC", drm_mode_analog_ntsc_480i), + TV_OPT_TEST(NTSC_443, "720x480i,tv_mode=NTSC-443", drm_mode_analog_ntsc_480i), + TV_OPT_TEST(NTSC_J, "720x480i,tv_mode=NTSC-J", drm_mode_analog_ntsc_480i), + TV_OPT_TEST(PAL, "720x576i,tv_mode=PAL", drm_mode_analog_pal_576i), + TV_OPT_TEST(PAL_M, "720x480i,tv_mode=PAL-M", drm_mode_analog_ntsc_480i), + TV_OPT_TEST(PAL_N, "720x576i,tv_mode=PAL-N", drm_mode_analog_pal_576i), + TV_OPT_TEST(SECAM, "720x576i,tv_mode=SECAM", drm_mode_analog_pal_576i), +}; + +static void drm_cmdline_tv_option_desc(const struct drm_cmdline_tv_option_test *t, + char *desc) +{ + sprintf(desc, "%s", t->name); +} + +KUNIT_ARRAY_PARAM(drm_cmdline_tv_option, + drm_cmdline_tv_option_tests, + drm_cmdline_tv_option_desc); + static struct kunit_case drm_cmdline_parser_tests[] = { KUNIT_CASE(drm_test_cmdline_force_d_only), KUNIT_CASE(drm_test_cmdline_force_D_only_dvi), @@ -977,6 +1044,7 @@ static struct kunit_case drm_cmdline_parser_tests[] = { KUNIT_CASE(drm_test_cmdline_freestanding_force_e_and_options), KUNIT_CASE(drm_test_cmdline_panel_orientation), KUNIT_CASE_PARAM(drm_test_cmdline_invalid, drm_cmdline_invalid_gen_params), + KUNIT_CASE_PARAM(drm_test_cmdline_tv_options, drm_cmdline_tv_option_gen_params), {} }; diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index c856f4871697..ffca0a857d53 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -1368,6 +1368,18 @@ struct drm_cmdline_mode { * @tv_margins: TV margins to apply to the mode. */ struct drm_connector_tv_margins tv_margins; + + /** + * @tv_mode: TV mode standard. See DRM_MODE_TV_MODE_*. + */ + enum drm_connector_tv_mode tv_mode; + + /** + * @tv_mode_specified: + * + * Did the mode have a preferred TV mode? + */ + bool tv_mode_specified; }; /**