From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 859B63A4522; Tue, 10 Mar 2026 02:47:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773110856; cv=none; b=b6JaIYo1St/5w5pknx9IWbCmDhUOBbufbdZj95oWZoyq4S6p1PIIYogpqp7alhpsZwiITnymRKj71VD5rHbRm4CqhTWgZRwphKmATjehU5ElDODfre5NP9MLQJ+7N3pcxZPC/c3Lzpu/yHZpQyyYgtV4laf18lQ0j94er0XA/Es= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773110856; c=relaxed/simple; bh=B0/1bU5zID8Qrgp1bqvLKiKsWfx3028CighHJzAxGP4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=RzkiJ8/tsWqEJe0zpsAETaTe+an18x6lRG/8pXYRr0hM8FKsbOilEGTbYh6X9UzqQ7/Dgl0H2N5wr9Ral3Dn5D0EYHky96qoVmpRA6HbgIFepChqi6EuzGjk8qdVKjcgFzaUBqEBN4SygTpISCsOhSWa4vIHQUuEbWR5oVkRVKQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ecvzii/z; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ecvzii/z" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 47397C2BCB0; Tue, 10 Mar 2026 02:47:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773110856; bh=B0/1bU5zID8Qrgp1bqvLKiKsWfx3028CighHJzAxGP4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ecvzii/zMVo+sD9owtpcOdbfWg9XKgCf1AEkAMYGQUvPALOCc1zujd2STk9Ffx5mw tgIKYBVCq71DEnmKBn2i8N07BQDjevs5Xs/gsPQ7qw5iw+PIdDASiLd8VFcCxZ8mml ZmUJHQtv6OLBxYXNzC7pJ26XqFLMq7Zym7t8XjncsrqjbiWjzXQ1up/VmYehvMHWOm xDPyoaTxEvwY3gqNRf/0uxFCKiuLCdENzEti3lDVhG9+UFk5v1tk7YO6if/htVGGyx Gp8Dwq4LvWpnsWnpQU4URrYhLBcQaj9z+JJG1Lg9LwRwS6cRMwY4XxRKmQIT1AxIvZ 0a7WeIbGeNcGA== From: Bjorn Andersson To: Michael Turquette , Stephen Boyd , Konrad Dybcio , Dmitry Baryshkov , Pengyu Luo Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, White Lewis Subject: Re: [PATCH] clk: qcom: dispcc-sc8280xp: remove CLK_SET_RATE_PARENT from byte_div_clk_src dividers Date: Mon, 9 Mar 2026 21:45:39 -0500 Message-ID: <177311073293.23763.5142459029233496147.b4-ty@kernel.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260303115550.9279-1-mitltlatltl@gmail.com> References: <20260303115550.9279-1-mitltlatltl@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit On Tue, 03 Mar 2026 19:55:50 +0800, Pengyu Luo wrote: > The four byte_div_clk_src dividers (disp{0,1}_cc_mdss_byte{0,1}_div_clk_src) > had CLK_SET_RATE_PARENT set. When the DSI driver calls clk_set_rate() on > byte_intf_clk, the rate-change propagates through the divider up to the > parent PLL (byte_clk_src), halving the byte clock rate. > > A simiar issue had been also encountered on SM8750. > b8501febdc51 ("clk: qcom: dispcc-sm8750: Drop incorrect CLK_SET_RATE_PARENT on byte intf parent"). > > [...] Applied, thanks! [1/1] clk: qcom: dispcc-sc8280xp: remove CLK_SET_RATE_PARENT from byte_div_clk_src dividers commit: 0b151a6307205eb867250985a910a88787cbf12e Best regards, -- Bjorn Andersson