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 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 EE3E6C02188 for ; Mon, 27 Jan 2025 14:44:10 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9E08410E285; Mon, 27 Jan 2025 14:44:10 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=bootlin.com header.i=@bootlin.com header.b="KK6Z/ut+"; dkim-atps=neutral Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [217.70.183.196]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1775210E554 for ; Mon, 27 Jan 2025 14:44:08 +0000 (UTC) Received: by mail.gandi.net (Postfix) with ESMTPSA id 68503E0008; Mon, 27 Jan 2025 14:44:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1737989047; 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:autocrypt:autocrypt; bh=hLxktUCN111EDvBHAez5et0IHCpoUk2fFC3WgJOa1kk=; b=KK6Z/ut+Nr2LXjhKunSnNr9HOwyBAxDamV5XU8GtGpPAnWbKie8LEMiKmOirDiypGpVUEK SVG4rlesbXGdIelHP9phEPYzzXOYqu49fdyg/04qWYQJYWszIa4k/FXqBd8LiH+itB/hLZ S3YpkY9S4vwEFLDEg3R/gOUqHQgQfDdwGMGiDKFcdw4nDEig0rmMafK0lMg2ghoqLN58SI SRwhxVsXjPSxkVWWp+KuzI+pYAAqt9ZCIz/fGECTsvaMdTIoFwzAdZgNNtOca56oYMpgJM 5L/zZ/Plc4HzoiDpSp6mmtWX+HaV8Zq0mRz1mQZevgbebEdmz9moI8KuZmZx3A== Message-ID: <5191beb1-a074-49d7-9662-4c6bee6d83f4@bootlin.com> Date: Mon, 27 Jan 2025 15:44:05 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH i-g-t v4 5/5] lib/igt_kms: Add function to get valid pipe for specific output To: Karthik B S , igt-dev@lists.freedesktop.org Cc: Petri Latvala , Arkadiusz Hiler , Kamil Konieczny , Juha-Pekka Heikkila , Bhanuprakash Modem , Ashutosh Dixit , Thomas Petazzoni , nicolejadeyee@google.com, seanpaul@google.com, jeremie.dautheribes@bootlin.com, markyacoub@google.com References: <20250110-b4-cv3-01-igt-kms-v4-0-0b0474708f9f@bootlin.com> <20250110-b4-cv3-01-igt-kms-v4-5-0b0474708f9f@bootlin.com> <3a4ee176-d941-45e7-893e-015727fed23e@intel.com> Content-Language: en-US From: Louis Chauvet Autocrypt: addr=louis.chauvet@bootlin.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-GND-Sasl: louis.chauvet@bootlin.com X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" Le 24/01/2025 à 05:26, Karthik B S a écrit : >> +/** >> + * igt_get_pipe_for_output: >> + * @display: display to fetch the pipes >> + * @output: output to use >> + * >> + * Get a valid pipe for a specific output. The return value is the pipe first valid pipe for a >> + * specific output. >> + */ >> +enum pipe igt_get_pipe_for_output(igt_display_t *display, >> + igt_output_t *output) >> +{ >> + enum pipe pipe; >> + >> + for_each_pipe(display, pipe) { >> + if (igt_output_is_connected(output) && >> + (output->config.valid_crtc_idx_mask & (1 << (pipe)))) > > Please use 'igt_pipe_connector_valid'. Sorry, I probably extended it to debug something and forgot to unexpand. It will be fixed for the next iteration. > Also, this function is mostly a duplicate of the existing > 'chamelium_get_pipe_for_output'. Could we reuse the existing function > here instead of adding a new one? I know, but: 1 - chamelium_get_pipe_for_output is only enabled with the chamelium build option; 2 - chamelium_get_pipe_for_output also enables the pipe during the process. For 1, I can simply replace all calls to use the new helper. For 2, I need to understand why they choose to call igt_output_set_pipe to get a pipe to see if I can simply replace the chamelium helper by mine or if I need to change my helper to do the same thing. Thanks, Louis Chauvet > Thanks, > Karthik.B.S >> + return pipe; >> + } >> + >> + return PIPE_NONE; >> +} -- Louis Chauvet, Bootlin Embedded Linux and Kernel engineering https://bootlin.com