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 293F51F03E5; Tue, 4 Mar 2025 04:09:43 +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=1741061384; cv=none; b=n8NYzscajr7CaUQ/cdWHXOI0KwLmnU2yWJrHvqoqHWobV/hpRAwcTBWZk6uPzzSpR+ZZ3RpTj5z9K7Jn7gZZPJPXDbvALRtZ1+OAM0prSWD9U+rbRtLgrGvx70gYEibklxVMYPnOroScOEBz6etMzNLvqcjpp4hq4cxZkHBO1rM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741061384; c=relaxed/simple; bh=KoGK/SjJaX6GjbwfYx3L4okHGnPh1ZByOgGd9NDsAxI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Lmj6zPhgBULh+NmDi9VZv2iOCooCim6d4InW61A9JD0fezUmoL6fTU7wNVeTbakwTEVZ5vzruD4qIaYNH+GGoQ3BnNeG/fSfQEUel8lHUEHXe4avZkZ9fYStzEw0GLoCn2jAQWIDVlhbcpX3N9WM0zvC4RR8ZfBvHVhFRoZVbk0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ZWM0lDes; 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="ZWM0lDes" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C1B9CC4CEE7; Tue, 4 Mar 2025 04:09:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741061383; bh=KoGK/SjJaX6GjbwfYx3L4okHGnPh1ZByOgGd9NDsAxI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZWM0lDesbH2B/UElPhlfb+bhe+SQDXqTDNysRNOXZT/Dfa05I+xeIMHkAwhURMck9 z09VkbebeazYisj98yDsAUTFVtsS2whLTyGJxUMJTUP5Rvk3kQCVfavE40/BGfrFM7 VJEdu6pFbEoX7fHGpxDrtVvxz1VaYyScHlTDaJFc5aVRBwsNgwj/yEmIrDdsckQR3+ dymaIuo62e8fXR30TtyCVDlif9+r00DiiBnv2dIyULDC4OLpVNK19Os+IFNF6H244v FXOzh/ir08qdfDxDIiR/Q369BUJuiH+dV+E6jd/h2qzqSRXYJyNFv3jfVCJzqBrCc9 5ovBpA/xJKy1Q== From: Bjorn Andersson To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Konrad Dybcio Cc: Marijn Suijten , Konrad Dybcio , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Konrad Dybcio , Dmitry Baryshkov Subject: Re: [PATCH] Revert "arm64: dts: qcom: sdm845: Affirm IDR0.CCTW on apps_smmu" Date: Mon, 3 Mar 2025 22:09:39 -0600 Message-ID: <174106137700.690572.13341685389729259019.b4-ty@kernel.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250225-topic-845_smmu_not_coherent-v1-1-98ca9d17471c@oss.qualcomm.com> References: <20250225-topic-845_smmu_not_coherent-v1-1-98ca9d17471c@oss.qualcomm.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, 25 Feb 2025 14:44:40 +0100, Konrad Dybcio wrote: > There are reports that the pagetable walker cache coherency is not a > given across the spectrum of SDM845/850 devices, leading to lock-ups > and resets. It works fine on some devices (like the Dragonboard 845c, > but not so much on the Lenovo Yoga C630). > > This unfortunately looks like a fluke in firmware development, where > likely somewhere in the vast hypervisor stack, a change to accommodate > for this was only introduced after the initial software release (which > often serves as a baseline for products). > > [...] Applied, thanks! [1/1] Revert "arm64: dts: qcom: sdm845: Affirm IDR0.CCTW on apps_smmu" commit: f00db31d235946853fb430de8c6aa1295efc8353 Best regards, -- Bjorn Andersson