From patchwork Sat Sep 26 13:02:23 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 11801409 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9525016BC for ; Sat, 26 Sep 2020 13:02:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 76055221ED for ; Sat, 26 Sep 2020 13:02:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="NZ7i7U1v" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729412AbgIZNCi (ORCPT ); Sat, 26 Sep 2020 09:02:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36810 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728861AbgIZNCc (ORCPT ); Sat, 26 Sep 2020 09:02:32 -0400 Received: from mail-wr1-x443.google.com (mail-wr1-x443.google.com [IPv6:2a00:1450:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4B332C0613CE; Sat, 26 Sep 2020 06:02:32 -0700 (PDT) Received: by mail-wr1-x443.google.com with SMTP id m6so6915199wrn.0; Sat, 26 Sep 2020 06:02:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ft0uYzHW7Tr0B16PJ7xQZjpo6Bsi3BureXQ93z+5ds8=; b=NZ7i7U1vSjQI/KznD6Hv3GAYXRVnBbL1MlN+dlsA/Hp+bK6HVj1xPzyK2C+1up3G+C 75VQwjC1ztzx1En+0KAA+JSbFclKSpJ2RYfSBi8QFpigd4m8WL94GNfoT5Jb4qtukmQw 0NKVophjg9n+rAJj7m6sxMSB57Ro8hs13leB2m2nygZG83RjKgnXsbOo4qviAhrPNAO9 39I5mQu5ysCX1kdbB5UTAXbqZ+k+ltN7y5WJ0Bwz40QzdzRWAANfhKEBZWxvN6az/0JB a1pbA5ClzqQX0/GLwzOGH3tyrH2M8Bt692ySrQoYl9a2zSpf478UzsUtgLNDbQnvU+OL R5kg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ft0uYzHW7Tr0B16PJ7xQZjpo6Bsi3BureXQ93z+5ds8=; b=UnZjYhrYcykhkl8ADNgjqFax+McLbUG2n9d4jYdKGAi9Q3X3S7Hu3hNPJEAxr4SMXs uP4zrnX376HP2O7L7+HOwfIN6US7Lbeogkt9IKO4NxZ2wdEHrKLyEsBwtu1XfL2Gwj+W 821+1YrC+ryVaUE/Zl4TI0kkQYuUaSTuEWPSahkNDJeQeaHjVnrPL1EdHXBqxjT/SpCb vP7hHAlPn3t+IVxo4bS61nzyg+eV2CrLIdm35vnmUB6Sr4XB0JTOtt7eeKIDPYe8uTl6 EDnLt0mzqBVamtChrKMqBeGXv/to6GCv9Jx+0pUCW/PUpikva9NS4KEqW0d2PIJO2SIK hOgw== X-Gm-Message-State: AOAM5319odxVwDQqkmcVpkCQQdiroVe8TULKUX4IRpfdZ0A/KKLx3ujV t8yDeHe/l2Ev6+R+11edSx8= X-Google-Smtp-Source: ABdhPJwpGPpLEx/NeTJN73FH937VI8b0th4QFDGp0B7AN7h3Ou7hIWXVzHyUeX1j2vDPOHigbR+m/g== X-Received: by 2002:adf:b74b:: with SMTP id n11mr9336497wre.274.1601125350946; Sat, 26 Sep 2020 06:02:30 -0700 (PDT) Received: from IcarusMOD.eternityproject.eu ([2.237.20.237]) by smtp.gmail.com with ESMTPSA id f14sm7137738wrt.53.2020.09.26.06.02.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 26 Sep 2020 06:02:30 -0700 (PDT) From: kholk11@gmail.com To: agross@kernel.org Cc: bjorn.andersson@linaro.org, sboyd@kernel.org, kholk11@gmail.com, marijns95@gmail.com, konradybcio@gmail.com, martin.botka1@gmail.com, linux-arm-msm@vger.kernel.org, phone-devel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/4] clk: qcom: gcc-sdm660: Mark GPU CFG AHB clock as critical Date: Sat, 26 Sep 2020 15:02:23 +0200 Message-Id: <20200926130225.13733-3-kholk11@gmail.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200926130225.13733-1-kholk11@gmail.com> References: <20200926130225.13733-1-kholk11@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: AngeloGioacchino Del Regno This clock is critical for any access to the GPU: gating it will crash the system when the GPU has been initialized (so, you cannot gate it unless you deinit the Adreno completely). So, to achieve a working state with GPU on, set the CLK_IS_CRITICAL flag to this clock. Signed-off-by: AngeloGioacchino Del Regno --- drivers/clk/qcom/gcc-sdm660.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clk/qcom/gcc-sdm660.c b/drivers/clk/qcom/gcc-sdm660.c index 93ac77628bec..7b1c8d1f6388 100644 --- a/drivers/clk/qcom/gcc-sdm660.c +++ b/drivers/clk/qcom/gcc-sdm660.c @@ -1571,6 +1571,7 @@ static struct clk_branch gcc_gpu_cfg_ahb_clk = { .hw.init = &(struct clk_init_data){ .name = "gcc_gpu_cfg_ahb_clk", .ops = &clk_branch2_ops, + .flags = CLK_IS_CRITICAL, }, }, };