From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from ixit.cz (ip-94-112-25-9.bb.vodafone.cz [94.112.25.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B824B2F693C; Tue, 9 Dec 2025 22:51:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=94.112.25.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765320675; cv=none; b=juJ2b54q8RISRxpHG8HR/mwZ7wqmFTV7TgbeQddj2Dx49vo9eCRzi4J7KhOPC1gE9paNl+lHipnvL5Es+DiZb4qSiPYE+yrOQzfrGoodQaZI4FC0UyYMIwv5vC/LQ+B4BMhZbk1BKNZqM0wVMYlKWT9dGr6Bq4Jor43NPa38a3M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765320675; c=relaxed/simple; bh=gPGDhghcMRCwKqsJtYp9g/PxpuICie4dXEQOL3uUwf4=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=H1xfxewMo/0/Vdvl8TpoA1KU1aOUPTEubW725eyeS5GsZ/3EitCOdrpP4Az2bBnJYYSUr8xN6p8+7hF6mct9f9TaO6cGuFc9Nwy7uOjbVCzIiDI+yp34umiV6yjJOh3DEglOJTkyvBJvTI9X+rcJPt21chXrZZyZKbwQyTSUzUs= ARC-Authentication-Results:i=1; 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bh=5F8BPDJjZU5jQZGk4547xlx1b+9pidthThVI4rsaKsk=; b=rqXF0EaTwXEkSa1MHicA9qMH+JEYGD6w1L770I+lVkfvWPFiD1PdN1XWWKaloyE2SfYp8C L2d4QKcVAKU/rJochspjZkKvNnQcdr+aVOkvxIOUE30JVc2D7UxPHe8HmqkzVgEcR9Fu9c mLEDItRmptSicue8pfaTmjJLjDJWPqU= Message-ID: Date: Tue, 9 Dec 2025 23:51:00 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 4/8] drm/panel: sw43408: Add enable/disable and reset functions To: Dmitry Baryshkov Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sumit Semwal , Casey Connolly , Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Marijn Suijten , Dmitry Baryshkov , Vinod Koul , Petr Hodina , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, phone-devel@vger.kernel.org, dri-devel@lists.freedesktop.org References: <20251208-pixel-3-v6-0-e9e559d6f412@ixit.cz> <20251208-pixel-3-v6-4-e9e559d6f412@ixit.cz> Content-Language: en-US From: David Heidelberg Autocrypt: addr=david@ixit.cz; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 09/12/2025 23:37, Dmitry Baryshkov wrote: > On Mon, Dec 08, 2025 at 10:41:57AM +0100, David Heidelberg via B4 Relay wrote: >> From: David Heidelberg >> >> Introduce enable(), disable() and reset() functions. >> >> The enable() and disable() callbacks keep the symmetry in the commands >> sent to the panel and also make a clearer distinction between panel >> initialization and configuration. > > It's not just it. There is a difference between commands being sent in > en/disable and prepare/unprepare. Thanks, I didn't know. Is there good rule how to distinguish, which command should go where? > >> >> Splitting reset() from prepare() follows clean coding practices and lets >> us potentially make reset optional in the future for flicker-less >> takeover from a bootloader or framebuffer driver where the panel is >> already configured. >> >> Signed-off-by: David Heidelberg >> --- >> drivers/gpu/drm/panel/panel-lg-sw43408.c | 47 ++++++++++++++++++++++++-------- >> 1 file changed, 35 insertions(+), 12 deletions(-) >> > -- David Heidelberg