From patchwork Thu Mar 21 10:05:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jani Nikula X-Patchwork-Id: 13598588 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 E92EAC54E58 for ; Thu, 21 Mar 2024 10:05:35 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BC81D10E572; Thu, 21 Mar 2024 10:05:32 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="Q7SisD+b"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id 67E4B10E572; Thu, 21 Mar 2024 10:05:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1711015532; x=1742551532; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=/N9MGyvsXf70zK7i6zQJN2IW/BInbm1g38VZUndeKPM=; b=Q7SisD+byX101YGHfCfSu5ETRkOaLdKzPzOhfWoc2DxRuJxLq1Q5bK/Q q0XpUEilRROdxR3CXaN8ADpyK2gIMQgYKzwFWuDAF1UjlTnoviU0T1RZl 1hzaKSNhUXACbOTd4JLvGwYg4pEgpqhwvvpI5/hsstZm04iWp9a5gb5dZ dg7hPfsDLo7z/ZoB8sbj/ZUQXDkFY47qoH2i/P7oEYyo18uw/YoT0DuTT A7vNoNY9K7dIqa7jPTkIoNWcW8SuHIdEQfxYADF9m8xNDXgHwTjXaPdgo pfsJDTPulC7mZPFNZm5wUcCIxMjUvVDxhCUY3cxr4Ipv/vql0gezB48Ne w==; X-IronPort-AV: E=McAfee;i="6600,9927,11019"; a="5824250" X-IronPort-AV: E=Sophos;i="6.07,142,1708416000"; d="scan'208";a="5824250" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Mar 2024 03:05:27 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,142,1708416000"; d="scan'208";a="19180059" Received: from amaslenx-mobl.ger.corp.intel.com (HELO localhost) ([10.252.54.141]) by orviesa005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Mar 2024 03:05:25 -0700 From: Jani Nikula To: dri-devel@lists.freedesktop.org Cc: intel-gfx@lists.freedesktop.org, jani.nikula@intel.com Subject: [PATCH 2/4] drm/edid: add drm_edid_print_product_id() Date: Thu, 21 Mar 2024 12:05:10 +0200 Message-Id: X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Add a function to print a decoded EDID vendor and product id to a drm printer, optinally with the raw data. Signed-off-by: Jani Nikula --- drivers/gpu/drm/drm_edid.c | 35 +++++++++++++++++++++++++++++++++++ include/drm/drm_edid.h | 3 +++ 2 files changed, 38 insertions(+) diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 626a0e24e66a..198986f0eb8b 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -29,6 +29,7 @@ */ #include +#include #include #include #include @@ -2771,6 +2772,40 @@ void drm_edid_get_product_id(const struct drm_edid *drm_edid, } EXPORT_SYMBOL(drm_edid_get_product_id); +/** + * drm_edid_print_product_id - Print decoded product id to printer + * @p: drm printer + * @id: EDID product id + * @raw: If true, also print the raw hex + */ +void drm_edid_print_product_id(struct drm_printer *p, + const struct drm_edid_product_id *id, bool raw) +{ + u16 mfg_id = id->manufacturer_name[0] << 8 | id->manufacturer_name[1]; + char *date; + char vend[4]; + + drm_edid_decode_mfg_id(mfg_id, vend); + + if (id->week_of_manufacture == 0xff) + date = kasprintf(GFP_KERNEL, "model year: %d", + id->year_of_manufacture + 1990); + else + date = kasprintf(GFP_KERNEL, "week: %d, year of manufacture: %d", + id->week_of_manufacture, + id->year_of_manufacture + 1990); + + drm_printf(p, "manufacturer name: %s, product code: %u, serial number: %u, %s\n", + vend, le16_to_cpu(id->product_code), + le32_to_cpu(id->serial_number), date ?: ""); + + if (raw) + drm_printf(p, "raw product id: %*ph\n", (int)sizeof(*id), id); + + kfree(date); +} +EXPORT_SYMBOL(drm_edid_print_product_id); + /** * drm_edid_get_panel_id - Get a panel's ID from EDID * @drm_edid: EDID that contains panel ID. diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index 7911a2f8a672..c763ba1a0bbd 100644 --- a/include/drm/drm_edid.h +++ b/include/drm/drm_edid.h @@ -30,6 +30,7 @@ struct drm_connector; struct drm_device; struct drm_display_mode; struct drm_edid; +struct drm_printer; struct hdmi_avi_infoframe; struct hdmi_vendor_infoframe; struct i2c_adapter; @@ -481,6 +482,8 @@ int drm_edid_connector_add_modes(struct drm_connector *connector); bool drm_edid_is_digital(const struct drm_edid *drm_edid); void drm_edid_get_product_id(const struct drm_edid *drm_edid, struct drm_edid_product_id *id); +void drm_edid_print_product_id(struct drm_printer *p, + const struct drm_edid_product_id *id, bool raw); const u8 *drm_find_edid_extension(const struct drm_edid *drm_edid, int ext_id, int *ext_index);