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 F3F0618C27 for ; Wed, 15 Nov 2023 20:54:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="N28bnI8/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A3CE4C4E778; Wed, 15 Nov 2023 20:54:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1700081652; bh=rzAna7fHfVvZbaIz/Bps1OT+3emFv8sMUtdYfokLJnQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=N28bnI8/K088bowSbKuDJ0DkRZVzg7AaJyXP7sLVjoHBeBcOG95xBvDQD7Q2hitXI CGKKDKYJlG52x2eO1nT7VMnFyznRsaH3PSN4DW3MqVLs04Obod2A/e8kwmTB7LHKl9 apx5Z8dt787LMPTKhxGptXw2uAoTY1LoMGRR1POE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, AngeloGioacchino Del Regno , Stephen Boyd , Sasha Levin Subject: [PATCH 5.10 040/191] clk: qcom: mmcc-msm8998: Set bimc_smmu_gdsc always on Date: Wed, 15 Nov 2023 15:45:15 -0500 Message-ID: <20231115204646.968341976@linuxfoundation.org> X-Mailer: git-send-email 2.42.1 In-Reply-To: <20231115204644.490636297@linuxfoundation.org> References: <20231115204644.490636297@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: AngeloGioacchino Del Regno [ Upstream commit 68e1d106eb4dceb61bc2818d829786b364fd502b ] This GDSC enables (or cuts!) power to the Multimedia Subsystem IOMMU (mmss smmu), which has bootloader pre-set secure contexts. In the event of a complete power loss, the secure contexts will be reset and the hypervisor will crash the SoC. To prevent this, and get a working multimedia subsystem, set this GDSC as always on. Signed-off-by: AngeloGioacchino Del Regno Link: https://lore.kernel.org/r/20210114221059.483390-10-angelogioacchino.delregno@somainline.org Signed-off-by: Stephen Boyd Stable-dep-of: 1fc62c834739 ("clk: qcom: mmcc-msm8998: Fix the SMMU GDSC") Signed-off-by: Sasha Levin --- drivers/clk/qcom/mmcc-msm8998.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/qcom/mmcc-msm8998.c b/drivers/clk/qcom/mmcc-msm8998.c index c0bdefcbb2946..8768cdcf0aa3c 100644 --- a/drivers/clk/qcom/mmcc-msm8998.c +++ b/drivers/clk/qcom/mmcc-msm8998.c @@ -2666,7 +2666,7 @@ static struct gdsc bimc_smmu_gdsc = { .name = "bimc_smmu", }, .pwrsts = PWRSTS_OFF_ON, - .flags = HW_CTRL, + .flags = HW_CTRL | ALWAYS_ON, }; static struct clk_regmap *mmcc_msm8998_clocks[] = { -- 2.42.0