From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8E529C07E99 for ; Mon, 12 Jul 2021 15:50:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6EC1C61222 for ; Mon, 12 Jul 2021 15:50:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235640AbhGLPxj (ORCPT ); Mon, 12 Jul 2021 11:53:39 -0400 Received: from mx07-00178001.pphosted.com ([185.132.182.106]:2368 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233384AbhGLPxi (ORCPT ); Mon, 12 Jul 2021 11:53:38 -0400 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 16CFcD4J013923; Mon, 12 Jul 2021 17:50:23 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : subject : to : cc : references : message-id : date : mime-version : in-reply-to : content-type : content-transfer-encoding; s=selector1; bh=7wHZiJKHopPjFcSmO2LJg+VmslPpnToK6px9Xl/jPQI=; b=A83AvVfhzLWkRvB7KrIISwsXt7QaI27BUJyilJ5P8lkljEFrQdIa/XcwOgQpYZ7voFg7 067f1Dz22H1309kWFEBXN61a1UVvWXFQF2/WE3pdfgQIxPu5nSUaWVPYLH+DiIAmQ7KP GPdzXJAq/4ZDPhTZOmxjnDlOtH7ug6j0c54DYP9BmKtHaE3b8cAiQd9cHrVpU+BUwBDy WCQ58T7/IbxEZCDU8CF1y71Qyuxw7uwz5RnzOYG2XYLQPmxv4pCn54LUatdDEhzNnF// eIg0XWo4gS6KZXc4m1MzLDEgXmL/xxhkPyUVQ7XRbWXQWRk+qnq2vSjbyY3LO0LDU0QD Nw== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 39rk1vhqdf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 12 Jul 2021 17:50:23 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id C939910002A; Mon, 12 Jul 2021 17:50:17 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag2node3.st.com [10.75.127.6]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 9525E231DFC; Mon, 12 Jul 2021 17:50:17 +0200 (CEST) Received: from lmecxl0557.lme.st.com (10.75.127.46) by SFHDAG2NODE3.st.com (10.75.127.6) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 12 Jul 2021 17:50:16 +0200 From: Raphael Gallais-Pou Subject: Re: [PATCH 0/2] Add "BACKGROUND_COLOR" drm property To: Simon Ser CC: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Yannick FERTRE - foss , Philippe CORNU - foss , Benjamin Gaignard , Maxime Coquelin , Alexandre TORGUE - foss , Matt Roper , "dri-devel@lists.freedesktop.org" , "linux-kernel@vger.kernel.org" , "linux-stm32@st-md-mailman.stormreply.com" , "linux-arm-kernel@lists.infradead.org" , Yannick FERTRE , Raphael GALLAIS-POU , Philippe CORNU References: <20210707084557.22443-1-raphael.gallais-pou@foss.st.com> <31K3xupK1-7HNWorHqIwGwgEJl-1XdFjUQEoNYm6yB-lRoZ8kq5quRji_r3mzPZ0bUayLef6xPfQDiETgZp9lR7vUpDn2nB_37ncSd-J0Wc=@emersion.fr> Message-ID: <208def96-ac15-ce4e-7a0a-b555ea314fc5@foss.st.com> Date: Mon, 12 Jul 2021 17:50:16 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Content-Language: en-US X-Originating-IP: [10.75.127.46] X-ClientProxiedBy: SFHDAG1NODE3.st.com (10.75.127.3) To SFHDAG2NODE3.st.com (10.75.127.6) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391,18.0.790 definitions=2021-07-12_09:2021-07-12,2021-07-12 signatures=0 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 7/9/21 11:23 AM, Simon Ser wrote: > On Friday, July 9th, 2021 at 11:09, Raphael Gallais-Pou wrote: > >> We don't usually test with piglit and igt-gpu-tools. Instead, modetest >> utility of the libdrm is used quite often (as is it the case in order to >> test this property). > Just to make it extra clear: regardless of how you bring up your driver > implementation, without an IGT test and real-world open-source user-space > patches that make use of the new prop, your patches *cannot* be merged. > > If you're planning to add support for the new prop to an open-source KMS > client, please add a link to the patches in your kernel submission. If > you don't have plans to use the new prop in an open-source KMS client, > let us know and we can discuss what the best candidate would be. Hi, Thanks for your feedback :) We do not have any KMS client currently using this property apart from proprietary solutions made by consumers. This property was originally made to display a logo picture when the screen is in idle (low power/low DDR usage). Regards, Raphaël >> I was also thinking about implementing an option into modetest to ease >> the use of this drm property (support of hexadecimal values for properties). > (For the record, modeset doesn't count as a real-world user-space usage: it's > just a toy implementation, just a test tool.) > > Simon