From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 198C1C433EF for ; Fri, 6 May 2022 08:03:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A9C3F10E416; Fri, 6 May 2022 08:03:45 +0000 (UTC) Received: from mail-lj1-x229.google.com (mail-lj1-x229.google.com [IPv6:2a00:1450:4864:20::229]) by gabe.freedesktop.org (Postfix) with ESMTPS id A58EA10E416 for ; Fri, 6 May 2022 08:03:44 +0000 (UTC) Received: by mail-lj1-x229.google.com with SMTP id q14so8342971ljc.12 for ; Fri, 06 May 2022 01:03:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:from:date:message-id:subject:to:cc; bh=6F41mRp4zpNWqTmL3ML/TZgLRmfR37uVeFtOFbwguuA=; b=J66/TiRZ94uLRcOCM5hogpnMFXIXG1D8ChJg0j2oAv6p0eTjaz29NDH1VR2Su5FJXz 43AOjJqx3pUxPRiPEW3BsUFWbT27c5ajT2QcDKWue4lzIGGDU9HlVVaK72Fh0HPt2REb WQNipG7SjepzUasechA9xKg+JhUu0JaBk/MBP/GdjNfRQMiw0obexRKxECl+1JuoDNQG BzntRWk+zvsVNBuGInu2Z2TZjbtRXThcgh/wAOy+MEqGq5JW1qgLp50QMS8ZOZhR2pXr Nfa5InMtFuGtXbUcfdGEZibHXElq7iGAXa2cVhCjYOrVnuwqYk1SC+APq9R7hU5BAqTI fXlA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=6F41mRp4zpNWqTmL3ML/TZgLRmfR37uVeFtOFbwguuA=; b=DaEMfBCdr98WAEnkXEpgxx5jueUob+ILDWCm5Z71TrnGDkGvx0yZ7k0xNbrfFR+0lk fY5wvfiG7y8YqLT7Q0TPIYV9kXAK0CZO77j1moDSoqlMohCKedy8n3AkDOaiM6GdOjfw XnNwFoJHrDhbqNynrsmlCWIjGpgXrNIaj2ffbIwGJmci2NtY99gwz5vuUKs70uuwWaLI i3wTIahUcIa7MgZLo45pLNRHOP+b5p9lVAf/bahRE5jktFEZkmYIJwREZtpT9DAGGbkl WrM5E23AqY1NE2W6uImLfg9QiN4ZsuP58qlVJ/wyxk4HMqQChcqNGUsiv2nn3WE4T4gs 7Ltw== X-Gm-Message-State: AOAM531ThQNP65f4SrA77/sl5yiyB11TlUeluCJUvRZATztXzU2Sq9xg CWhNvQFaNynyA22KQaj+Ce+JuYaRHAcCp7FEwnCWwrBDtFg= X-Google-Smtp-Source: ABdhPJzIVmh3wUKDqn5di6ce8yHV5WEWkQr0jHvjdUUoXjUgyDs3LK2B+hT9heLDwnnW5tyRULz3J6rtfXCjw0I24VI= X-Received: by 2002:a2e:bd13:0:b0:246:1ff8:6da1 with SMTP id n19-20020a2ebd13000000b002461ff86da1mr1302841ljq.219.1651824222024; Fri, 06 May 2022 01:03:42 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:a05:6500:a81:b0:13c:1acf:f8c9 with HTTP; Fri, 6 May 2022 01:03:40 -0700 (PDT) From: Amol Date: Fri, 6 May 2022 13:33:40 +0530 Message-ID: Subject: Re: [cedar] DMA ring test timeout [solved] To: amd-gfx list Content-Type: text/plain; charset="UTF-8" X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: suratiamol@gmail.com Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" On 06/05/2022, Amol wrote: > Hello, > > While trying to program the HD 7350 Cedar GPU to run with DPM > under the 157MHz/200MHz sclk/mclk powerstate, for single_display, > and with forced LOW performance on the SMC, the DMA ring seems > to hang. > . . . . . . > > Does this mean that the GPU doesn't support running DMA ring at the > lowest perf profile (157Mhz/200MHz)? I do still believe that this > situation might be a result of faulty/missing programming on my part, > though I am not sure what exactly it is that is at fault or is missing. The mc_reg_table was being populated with invalid entries. Thanks, Amol