From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f52.google.com (mail-wm1-f52.google.com [209.85.128.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7991737CD31 for ; Tue, 12 May 2026 17:03:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.52 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778605387; cv=none; b=SjQYpWLGdvaQtdhsNND8QAxm9VJG1YbGPE30gTrnqNN1aYurQnxkl9wG/t9KfUuQgZqGY96ruzMn4oz1bacNFMnLuXWm8pHYDY3Zj65bnFyxXK+oTB7LwzdSGhMx1oLv1IneR6OVfyHV2Q0E1qAJm3BSS46hpA7UXJYDkN+YJSQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778605387; c=relaxed/simple; bh=Le5r16+yUuDIPTMWqwePhLNM60I4TFMOT0tsNSaruGE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=t0ipsD7c4+exOxpk0rk3Vn1i8qzvGDRXyiKz+K4xoECnY01oTQFuwsHIZo14w6yxp4Np4Y1a11X7icShO9hHRfayFjjjFlAEJQF5QxRCTO44jDpqR/pFB8ZJR7lh6oLVlg2mkuzveOFntwylhYAOE9oIccEqShNISXNCSsg8nyI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=KgCAyzcp; arc=none smtp.client-ip=209.85.128.52 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="KgCAyzcp" Received: by mail-wm1-f52.google.com with SMTP id 5b1f17b1804b1-488a14c31eeso40181335e9.0 for ; Tue, 12 May 2026 10:03:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1778605385; x=1779210185; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Le5r16+yUuDIPTMWqwePhLNM60I4TFMOT0tsNSaruGE=; b=KgCAyzcpd9wagEez4Kh8pCeGyc5Zr7mKZ5ZqKQsE9jd6d49GyhahbZKT4R6nZB95z5 G+kfkrEmOZ+tz52vn8mXHnmfYdn9GG0xnBHxIpPawZE0XF6AfbILYFFl9WQ1eVTdvNzE uel6bIyGQrhZjRc5iCRLSZTxKqibzA7P8ErVdKXednEFfaqLmsdRu68hfKJnNw8zWScT 5LKBYIbEcVBltuk1s8R/sL84bf9xokh3MbUE1S0z+GqHeuYcuTYWYtoMM4PPyJ2RlR1O 7DZ6nuwxa8QfGuH60CPwXwovpMQUW3ChHcfQzR69rBDWcoAFiAoOdySSl7CZhAORJ5kt pYZg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1778605385; x=1779210185; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=Le5r16+yUuDIPTMWqwePhLNM60I4TFMOT0tsNSaruGE=; b=bmDmkHyJOa86ghw4P9pv+ftCds4Y1MbUBB5UJMcZE5oX9t54BtYCbPhK0Sz86z8bLC TqOvy3pw/3gaHw7/dKz3EumZxMiLR8roBqCEOSn7qn8b+F5CzATdqCBgS1s0t5UK0KMv 8gQIOWyqihXIPHqqJedfzsfvsZAGrcFndadsQJWE3br5tAeYkI5OtsM0np2OA4ZJbnD8 /hsnHRQ/Fs09DlmC6qpRiFPYOixv6mqO++cFM0uuPYH6SFzDjmT5cJWapcIu07bgVnmS HmcNLB2ysAogFcVxQwrgDcWvsLZOPSHdYsvl2Q59SL3XZ9aE0TeYho/nBkxB4XoJVYFW 7L1A== X-Forwarded-Encrypted: i=1; AFNElJ9CoFHlEJ7q8cqg/UyDEATF6yAWNVgrjNOzx6bnrk0mtR5TDrVPZkkdz2iyYlByucHUpeD6+IqnAZY=@vger.kernel.org X-Gm-Message-State: AOJu0YwGUTuJUr1lDjSVLDrq9khy6RiP9YWBDZ11DzZIrCgLWFnCgCXf Rx8a9UYu38jaNo1ty/+hzCgRzMVQEW6s6V0Pokmyo2Q64/DQa3scrTLmkqh+ X-Gm-Gg: Acq92OFvNEpMwCamOed1gHMsmovZTsCrm32vm0YwL7Lw8/Vdds/WR3G/KqU8OXuieKH nwQ7F0yk0r2kiXBRQRJaezfa6ZoSi0uaQN8P99D2TvfBv/yCJsL1wp+ofXYcMsdMXrlDPKFHpzy 4eFg3WL70p0fdXhs2o7tcyR8EQ0Xujop3e6oWtqwq//rm8Fw80FwZYTHhGQ5UpYzyYbjoI0tm4y M1cbgI0Tmx4qwrWzAQmCwuIhjgvIRX0ltMX/g5iRg+aFOJEkcKuit95IG4Oe4cqnM+cC9BLR+p3 52atZyE7tgj4OMVey3wC13tsCvUD9uaAt3So0U2mH//nIDooCFRiBl6wh2K7u6HuHWPXqlUMJ06 DqAUDlpNJYC5JCv6DEegA3jlcMNROOS/6RsFQo5uxFhT1zBFZY6pHFYLcgnShgRSikXCZfWf6Y7 33a/EW19CvUVZP7prIoNZIXYHRBN9THwdMS/eEsnRpbSef2bzNKFHV6qmGB4WzJ9q8x9PByEsG3 K4TP1q3wwGlFetf3wlA X-Received: by 2002:a05:600c:2e87:b0:489:e696:8362 with SMTP id 5b1f17b1804b1-48e676a4d68mr193704045e9.13.1778605384783; Tue, 12 May 2026 10:03:04 -0700 (PDT) Received: from sp9.home (2a01cb08052d7400bbd7ca83de4af625.ipv6.abo.wanadoo.fr. [2a01:cb08:52d:7400:bbd7:ca83:de4a:f625]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48fc8d624fbsm27177615e9.10.2026.05.12.10.03.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 May 2026 10:03:04 -0700 (PDT) From: =?UTF-8?q?J=C3=A9r=C3=B4me=20de=20Bretagne?= To: mitltlatltl@gmail.com Cc: andersson@kernel.org, linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, mturquette@baylibre.com, sboyd@kernel.org, johannes.goede@oss.qualcomm.com Subject: Re: [PATCH] clk: qcom: dispcc-sc8280xp: Don't park mdp_clk_src at registration time Date: Tue, 12 May 2026 19:02:51 +0200 Message-ID: <20260512170257.8920-1-jerome.debretagne@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260303150152.90685-1-mitltlatltl@gmail.com> References: <20260303150152.90685-1-mitltlatltl@gmail.com> Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit > Parking disp{0,1}_cc_mdss_mdp_clk_src clk broke simplefb on HUAWEI > Gaokun3, the image will stuck at grey for seconds until msm takes > over framebuffer. Use clk_rcg2_shared_no_init_park_ops to skip it. > > Signed-off-by: Pengyu Luo This patch allows to keep the built-in display enabled on the Microsoft Surface Pro 9 5G (Arcata) using efifb and software rendering. This was achieved by passing the "module_blacklist=msm" option. It is really useful as the built-in display is not yet working thus not described in the arcata devicetree so far. Thank you Pengyu. Tested-by: Jérôme de Bretagne Without this patch, the initial EFI framebuffer gets disabled a few seconds after the initial boot messages. This has been a regression as it used to work when doing the initial bringup with Linux 6.9. As mentioned in the similar patchset for the x1e80100 dispcc driver https://lore.kernel.org/all/67a51928-1c16-48a6-ac65-f67c36297e5e@oss.qualcomm.com/ according to Hans, this should be a fix for the following commit: Fixes: 01a0a6cc8cfd ("clk: qcom: Park shared RCGs upon registration") Regards, Jérôme