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[2620:137:e000::1:20]) by mx.google.com with ESMTP id g6-20020a056402320600b00461cdda451dsi1821615eda.435.2022.10.24.03.27.03; Mon, 24 Oct 2022 03:27:27 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@collabora.com header.s=mail header.b=Dxmbkh1Q; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=collabora.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231245AbiJXKYC (ORCPT + 99 others); Mon, 24 Oct 2022 06:24:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44210 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230097AbiJXKXe (ORCPT ); Mon, 24 Oct 2022 06:23:34 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3D4E258DF9; Mon, 24 Oct 2022 03:23:33 -0700 (PDT) Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id 0A4A76602826; Mon, 24 Oct 2022 11:23:30 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1666607011; bh=YBBjods/SCiT991mfWMY/FD6Sm61W+Mx7LF3CER+vIg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Dxmbkh1Qo3WvmUtf1Kto1l36FN7zCiOOtS02GKPs52OzXX43t1EswWl7FlTZZHJR5 zKxRw2EPTEk79T2wKeW4IOAf8/Aw56sJoyV3sLMeNkKTO8jnrrpxBcfIGjy7uq6sRy RiyJhP/+ktnDsXmI10n5WfJi1X48YkFVQDl5Kbr8OBNX4ye2pcPVR4sR8znIaz9BdT omuA0uTxpsGRmgBA4/9LIpD/+/KGcZ1VevpQI4UJoh2wapJEwtaB1kSte0Y8Ed3yAh zyZ7dHCMOyMjmfIvVyyPKQdNZXcgP0gk0DF0FXGD77kdX0+aSEgjdeWQxGVc2busv1 hD/xCGysk/1lQ== From: AngeloGioacchino Del Regno To: sboyd@kernel.org Cc: mturquette@baylibre.com, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, wenst@chromium.org, miles.chen@mediatek.com, nfraprado@collabora.com, rex-bc.chen@mediatek.com, chun-jie.chen@mediatek.com, jose.exposito89@gmail.com, yangyingliang@huawei.com, msp@baylibre.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 06/10] clk: mediatek: mt6795-topckgen: Drop flags for main/sys/univpll fixed factors Date: Mon, 24 Oct 2022 12:23:03 +0200 Message-Id: <20221024102307.33722-7-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20221024102307.33722-1-angelogioacchino.delregno@collabora.com> References: <20221024102307.33722-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1747564361443938867?= X-GMAIL-MSGID: =?utf-8?q?1747564361443938867?= The main/sys/univpll clocks are used as clock sources for multiple peripherals of different kind, some of which are critical (like AXIs); a rate change on any of these two will produce a rate change on many devices and that's likely to produce system instability if not done correctly: this is the reason why we have (a lot of) "fixed factor" main/sys/univpll divider clocks, used by MUX clocks to provide different rates based on PLL output dividers. Following what was done on clk-mt8186-topckgen and also preventing the same GPU DVFS issue, drop CLK_SET_RATE_PARENT from the aforementioned clocks. Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Chen-Yu Tsai --- drivers/clk/mediatek/clk-mt6795-topckgen.c | 76 +++++++++++----------- 1 file changed, 38 insertions(+), 38 deletions(-) diff --git a/drivers/clk/mediatek/clk-mt6795-topckgen.c b/drivers/clk/mediatek/clk-mt6795-topckgen.c index 2948dd1aee8f..8b8307635a35 100644 --- a/drivers/clk/mediatek/clk-mt6795-topckgen.c +++ b/drivers/clk/mediatek/clk-mt6795-topckgen.c @@ -359,19 +359,19 @@ static const struct mtk_fixed_factor top_divs[] = { FACTOR(CLK_TOP_ARMCA53PLL_754M, "armca53pll_754m", "clk26m", 1, 2), FACTOR(CLK_TOP_ARMCA53PLL_502M, "armca53pll_502m", "clk26m", 1, 3), - FACTOR(CLK_TOP_MAIN_H546M, "main_h546m", "mainpll", 1, 2), - FACTOR(CLK_TOP_MAIN_H364M, "main_h364m", "mainpll", 1, 3), - FACTOR(CLK_TOP_MAIN_H218P4M, "main_h218p4m", "mainpll", 1, 5), - FACTOR(CLK_TOP_MAIN_H156M, "main_h156m", "mainpll", 1, 7), + FACTOR_FLAGS(CLK_TOP_MAIN_H546M, "main_h546m", "mainpll", 1, 2, 0), + FACTOR_FLAGS(CLK_TOP_MAIN_H364M, "main_h364m", "mainpll", 1, 3, 0), + FACTOR_FLAGS(CLK_TOP_MAIN_H218P4M, "main_h218p4m", "mainpll", 1, 5, 0), + FACTOR_FLAGS(CLK_TOP_MAIN_H156M, "main_h156m", "mainpll", 1, 7, 0), FACTOR(CLK_TOP_TVDPLL_445P5M, "tvdpll_445p5m", "tvdpll", 1, 4), FACTOR(CLK_TOP_TVDPLL_594M, "tvdpll_594m", "tvdpll", 1, 3), - FACTOR(CLK_TOP_UNIV_624M, "univ_624m", "univpll", 1, 2), - FACTOR(CLK_TOP_UNIV_416M, "univ_416m", "univpll", 1, 3), - FACTOR(CLK_TOP_UNIV_249P6M, "univ_249p6m", "univpll", 1, 5), - FACTOR(CLK_TOP_UNIV_178P3M, "univ_178p3m", "univpll", 1, 7), - FACTOR(CLK_TOP_UNIV_48M, "univ_48m", "univpll", 1, 26), + FACTOR_FLAGS(CLK_TOP_UNIV_624M, "univ_624m", "univpll", 1, 2, 0), + FACTOR_FLAGS(CLK_TOP_UNIV_416M, "univ_416m", "univpll", 1, 3, 0), + FACTOR_FLAGS(CLK_TOP_UNIV_249P6M, "univ_249p6m", "univpll", 1, 5, 0), + FACTOR_FLAGS(CLK_TOP_UNIV_178P3M, "univ_178p3m", "univpll", 1, 7, 0), + FACTOR_FLAGS(CLK_TOP_UNIV_48M, "univ_48m", "univpll", 1, 26, 0), FACTOR(CLK_TOP_CLKRTC_EXT, "clkrtc_ext", "clk32k", 1, 1), FACTOR(CLK_TOP_CLKRTC_INT, "clkrtc_int", "clk26m", 1, 793), @@ -402,20 +402,20 @@ static const struct mtk_fixed_factor top_divs[] = { FACTOR(CLK_TOP_MSDCPLL2_D2, "msdcpll2_d2", "msdcpll2", 1, 2), FACTOR(CLK_TOP_MSDCPLL2_D4, "msdcpll2_d4", "msdcpll2", 1, 4), - FACTOR(CLK_TOP_SYSPLL_D2, "syspll_d2", "main_h546m", 1, 1), - FACTOR(CLK_TOP_SYSPLL1_D2, "syspll1_d2", "main_h546m", 1, 2), - FACTOR(CLK_TOP_SYSPLL1_D4, "syspll1_d4", "main_h546m", 1, 4), - FACTOR(CLK_TOP_SYSPLL1_D8, "syspll1_d8", "main_h546m", 1, 8), - FACTOR(CLK_TOP_SYSPLL1_D16, "syspll1_d16", "main_h546m", 1, 16), - FACTOR(CLK_TOP_SYSPLL_D3, "syspll_d3", "main_h364m", 1, 1), - FACTOR(CLK_TOP_SYSPLL2_D2, "syspll2_d2", "main_h364m", 1, 2), - FACTOR(CLK_TOP_SYSPLL2_D4, "syspll2_d4", "main_h364m", 1, 4), - FACTOR(CLK_TOP_SYSPLL_D5, "syspll_d5", "main_h218p4m", 1, 1), - FACTOR(CLK_TOP_SYSPLL3_D2, "syspll3_d2", "main_h218p4m", 1, 2), - FACTOR(CLK_TOP_SYSPLL3_D4, "syspll3_d4", "main_h218p4m", 1, 4), - FACTOR(CLK_TOP_SYSPLL_D7, "syspll_d7", "main_h156m", 1, 1), - FACTOR(CLK_TOP_SYSPLL4_D2, "syspll4_d2", "main_h156m", 1, 2), - FACTOR(CLK_TOP_SYSPLL4_D4, "syspll4_d4", "main_h156m", 1, 4), + FACTOR_FLAGS(CLK_TOP_SYSPLL_D2, "syspll_d2", "main_h546m", 1, 1, 0), + FACTOR_FLAGS(CLK_TOP_SYSPLL1_D2, "syspll1_d2", "main_h546m", 1, 2, 0), + FACTOR_FLAGS(CLK_TOP_SYSPLL1_D4, "syspll1_d4", "main_h546m", 1, 4, 0), + FACTOR_FLAGS(CLK_TOP_SYSPLL1_D8, "syspll1_d8", "main_h546m", 1, 8, 0), + FACTOR_FLAGS(CLK_TOP_SYSPLL1_D16, "syspll1_d16", "main_h546m", 1, 16, 0), + FACTOR_FLAGS(CLK_TOP_SYSPLL_D3, "syspll_d3", "main_h364m", 1, 1, 0), + FACTOR_FLAGS(CLK_TOP_SYSPLL2_D2, "syspll2_d2", "main_h364m", 1, 2, 0), + FACTOR_FLAGS(CLK_TOP_SYSPLL2_D4, "syspll2_d4", "main_h364m", 1, 4, 0), + FACTOR_FLAGS(CLK_TOP_SYSPLL_D5, "syspll_d5", "main_h218p4m", 1, 1, 0), + FACTOR_FLAGS(CLK_TOP_SYSPLL3_D2, "syspll3_d2", "main_h218p4m", 1, 2, 0), + FACTOR_FLAGS(CLK_TOP_SYSPLL3_D4, "syspll3_d4", "main_h218p4m", 1, 4, 0), + FACTOR_FLAGS(CLK_TOP_SYSPLL_D7, "syspll_d7", "main_h156m", 1, 1, 0), + FACTOR_FLAGS(CLK_TOP_SYSPLL4_D2, "syspll4_d2", "main_h156m", 1, 2, 0), + FACTOR_FLAGS(CLK_TOP_SYSPLL4_D4, "syspll4_d4", "main_h156m", 1, 4, 0), FACTOR(CLK_TOP_TVDPLL, "tvdpll_ck", "tvdpll_594m", 1, 1), FACTOR(CLK_TOP_TVDPLL_D2, "tvdpll_d2", "tvdpll_594m", 1, 2), @@ -423,21 +423,21 @@ static const struct mtk_fixed_factor top_divs[] = { FACTOR(CLK_TOP_TVDPLL_D8, "tvdpll_d8", "tvdpll_594m", 1, 8), FACTOR(CLK_TOP_TVDPLL_D16, "tvdpll_d16", "tvdpll_594m", 1, 16), - FACTOR(CLK_TOP_UNIVPLL_D2, "univpll_d2", "univ_624m", 1, 1), - FACTOR(CLK_TOP_UNIVPLL1_D2, "univpll1_d2", "univ_624m", 1, 2), - FACTOR(CLK_TOP_UNIVPLL1_D4, "univpll1_d4", "univ_624m", 1, 4), - FACTOR(CLK_TOP_UNIVPLL1_D8, "univpll1_d8", "univ_624m", 1, 8), - FACTOR(CLK_TOP_UNIVPLL_D3, "univpll_d3", "univ_416m", 1, 1), - FACTOR(CLK_TOP_UNIVPLL2_D2, "univpll2_d2", "univ_416m", 1, 2), - FACTOR(CLK_TOP_UNIVPLL2_D4, "univpll2_d4", "univ_416m", 1, 4), - FACTOR(CLK_TOP_UNIVPLL2_D8, "univpll2_d8", "univ_416m", 1, 8), - FACTOR(CLK_TOP_UNIVPLL_D5, "univpll_d5", "univ_249p6m", 1, 1), - FACTOR(CLK_TOP_UNIVPLL3_D2, "univpll3_d2", "univ_249p6m", 1, 2), - FACTOR(CLK_TOP_UNIVPLL3_D4, "univpll3_d4", "univ_249p6m", 1, 4), - FACTOR(CLK_TOP_UNIVPLL3_D8, "univpll3_d8", "univ_249p6m", 1, 8), - FACTOR(CLK_TOP_UNIVPLL_D7, "univpll_d7", "univ_178p3m", 1, 1), - FACTOR(CLK_TOP_UNIVPLL_D26, "univpll_d26", "univ_48m", 1, 1), - FACTOR(CLK_TOP_UNIVPLL_D52, "univpll_d52", "univ_48m", 1, 2), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_D2, "univpll_d2", "univ_624m", 1, 1, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL1_D2, "univpll1_d2", "univ_624m", 1, 2, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL1_D4, "univpll1_d4", "univ_624m", 1, 4, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL1_D8, "univpll1_d8", "univ_624m", 1, 8, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_D3, "univpll_d3", "univ_416m", 1, 1, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL2_D2, "univpll2_d2", "univ_416m", 1, 2, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL2_D4, "univpll2_d4", "univ_416m", 1, 4, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL2_D8, "univpll2_d8", "univ_416m", 1, 8, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_D5, "univpll_d5", "univ_249p6m", 1, 1, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL3_D2, "univpll3_d2", "univ_249p6m", 1, 2, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL3_D4, "univpll3_d4", "univ_249p6m", 1, 4, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL3_D8, "univpll3_d8", "univ_249p6m", 1, 8, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_D7, "univpll_d7", "univ_178p3m", 1, 1, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_D26, "univpll_d26", "univ_48m", 1, 1, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_D52, "univpll_d52", "univ_48m", 1, 2, 0), FACTOR(CLK_TOP_VCODECPLL, "vcodecpll_ck", "vcodecpll", 1, 3), FACTOR(CLK_TOP_VCODECPLL_370P5, "vcodecpll_370p5", "vcodecpll", 1, 4),