From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 5215A352037; Fri, 31 Jul 2026 03:23:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785468238; cv=none; b=bCN9dAhRXDNzekfJGvcTTQGe82TaSPGnRh1NiMtF8B4GrbBQ/xgtIK3QfxvjcYw1Et5Eh8NHEahEFDJ3yx8ZqMoaGPeP6b/xreOC+ZBpoM3AIdcAOHCiVXlQdErYk1PbDKgX56iLY3l12yZvYB03uDdsWtTIPLalvSEkuybOCKY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785468238; c=relaxed/simple; bh=dd3SFkqtrpytAgWPYZYMeaDQckIPDHmDiNEo7Pq2hqM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=e3dQ0yYsZ9SgVVMbMMYn/Ao5Lmx4jrQVGlXJA8/HPtzt86gCrlW1ClfzpbFIfz+AE/zivgCrc/+XGoTaIAvYL99VNbm8ZHfm8D3fMajahmIhLIz2rYeMAWFjyhdvsRj50Y/k6g5MG7ynIjWOwqB2qD+p9+QYUeNqOyehjS/jsnY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=alJPz710; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="alJPz710" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0F4FA1F00A3D; Fri, 31 Jul 2026 03:23:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785468236; bh=ExYIItcDEZWrDnj18MKrsQX+GnPewakLGGldn9zFVCQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=alJPz710ds45M32sC/W4EDR1+q0unwltstCOWbnGaG6ro0iMcmbnQtoip8c8VaS9x ucunAffa0RGqITe9ralEA5C8L9d13xx3fChUikErBa6niEP8a0BFzEcB05S35Q/1/2 1UFyndof2hw2Kau7xmVNSRKQRuzNuN582osWVF/C+PDDv2GUXij6aDfXH6eui0f3D7 cL6fOvwE4GtNUfPpna/rRL5r3qKYZUh8Ra7Ca74SqJd80LQ9HhpE4EvImKKPLv7m1r fH9bifgptxWsZVifHaG6cyE2ohO49GEnwg7hJeZoduwMm3zEAx/5fx/2COa05v/hg8 b48DbmwT4DuTg== From: Bjorn Andersson To: Kees Cook , "Gustavo A. R. Silva" , Rob Clark , Sean Paul , Akhil P Oommen , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Marijn Suijten , David Airlie , Simona Vetter , Alim Akhtar , Avri Altman , Bart Van Assche , "James E.J. Bottomley" , "Martin K. Petersen" , Matthias Brugger , AngeloGioacchino Del Regno , Suzuki K Poulose , Mike Leach , James Clark , Leo Yan , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yuanfang Zhang , Mao Jinlong , Jie Gan , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Konrad Dybcio Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-hardening@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, Konrad Dybcio , linux-scsi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, coresight@lists.linaro.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org Subject: Re: [PATCH v5 0/3] Retrieve information about DDR from SMEM Date: Thu, 30 Jul 2026 22:23:43 -0500 Message-ID: <178546821257.316167.5256445385425936604.b4-ty@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260727-topic-smem_dramc-v5-0-66188b3e338d@oss.qualcomm.com> References: <20260727-topic-smem_dramc-v5-0-66188b3e338d@oss.qualcomm.com> Precedence: bulk X-Mailing-List: devicetree@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 Mon, 27 Jul 2026 11:59:26 +0200, Konrad Dybcio wrote: > SMEM allows the OS to retrieve information about the DDR memory. > Among that information, is a semi-magic value called 'HBB', or Highest > Bank address Bit, which multimedia drivers (for hardware like Adreno > and MDSS) must retrieve in order to program the IP blocks correctly. > > This series introduces an API to retrieve that value, uses it in the > aforementioned programming sequences and exposes available DDR > frequencies in debugfs (to e.g. pass to aoss_qmp debugfs). More > information can be exposed in the future, as needed. > > [...] Applied, thanks! [1/3] soc: qcom: smem: Use 'unsigned int' instead of 'unsigned' commit: 80350cdc5f7e2ddc6739987a78f04b9b7788e593 [2/3] soc: qcom: smem: Expose DDR data from SMEM commit: 1d234eeafc56af8c9af6eee857f41a4310615e78 [3/3] soc: qcom: ubwc: Get HBB from SMEM commit: 1b445022d1d0ec7431b6f8fe0054ae8ccf33d60a Best regards, -- Bjorn Andersson