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 X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C1CC6C433F5 for ; Tue, 7 Sep 2021 08:19:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AA70460F21 for ; Tue, 7 Sep 2021 08:19:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242332AbhIGIUh (ORCPT ); Tue, 7 Sep 2021 04:20:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42632 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236269AbhIGIUh (ORCPT ); Tue, 7 Sep 2021 04:20:37 -0400 Received: from mail-io1-xd34.google.com (mail-io1-xd34.google.com [IPv6:2607:f8b0:4864:20::d34]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 63B76C061575 for ; Tue, 7 Sep 2021 01:19:31 -0700 (PDT) Received: by mail-io1-xd34.google.com with SMTP id m11so11642783ioo.6 for ; Tue, 07 Sep 2021 01:19:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=9MXLDJhiY0fcXEg+LnGTR4OLM7jMrz/NHCTwfTLwDMg=; b=ElO/UJxIHNBjrNw3yfn9GFGNJhWRax3Eba+PUZ2fRtFre/HLcwkOVfWXRighUoPjEM 51pdOWhi5deDUkefb5ithDBAYMI1Xt3Ha6kCwxlz2jU3xLR7RY9A2cvZS1TToCOjgiwb G90h5wXsl4q8wEdtWuWhAcFViVGAa6gdHujMmr+8R2+97UhFUYN8BnSW82RzYCS9z25m U3Hbpw/V04VgoxO2f7CU769BkfR4sAUGF4mft1VQBJSWBaog2UPCDTdWjAc5BfTT59gu jjL8bOtXSq9C7rgou3bRoFo0EQUhz/R3Vi7onjxMLCD33If4/Ri4kEThFAQfEbRnGaik JwGA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=9MXLDJhiY0fcXEg+LnGTR4OLM7jMrz/NHCTwfTLwDMg=; b=PvzeIAtIJB9qF9Ofc2v1Y81Naogw/EjQTXjGBXsghbj/LX4cPVkt6FBGLWpXDgAGxx GkLd3SuDFfdqG5Y8ixoBFIGTzep/F00wklF7hMYqf0jiNFoDmKqk35sMMRQufF+uNVfr QfH3b1OZXK8scdmQP1TBWZJ6UH5rV1/+VxKBAHylj61byDDLSnc8wMGJco7N7+1bnP4a VJbRWG1TzBsstsmIM8koo/zNp/xqI3WS2PdtIwUewwrVpAPnT8+V+/Ynx/RSg38ZIPQa mC1HRwFG1Q/8M34NduA9QxP6iH1D5ey+iszvOgOyUhdzlsKSxAEaL7MJxzDJLAgEPObD yOMQ== X-Gm-Message-State: AOAM532MP3Zc0u4QHV7zP8JN6lFJq2ilU+nZylkT3IhHrIqhTIpvv4u5 8ULRVW7qUHZh3RkJGyjjiLxIX2FOpf3dsbQLVrASvQ== X-Google-Smtp-Source: ABdhPJwIQXLBjfDY4x2hegViI0I26x9Ldz3+Wvni8m5cPnPark5Q3y14GL2LxjfcnaO2magWZu87krrTNuiTaU5QMBA= X-Received: by 2002:a6b:be02:: with SMTP id o2mr12593752iof.103.1631002770826; Tue, 07 Sep 2021 01:19:30 -0700 (PDT) MIME-Version: 1.0 References: <20210729183942.2839925-1-robdclark@gmail.com> <1a38a590-a64e-58ef-1bbf-0ae49c004d05@linaro.org> In-Reply-To: From: Amit Pundir Date: Tue, 7 Sep 2021 13:48:54 +0530 Message-ID: Subject: Re: [PATCH] drm/msm: Disable frequency clamping on a630 To: Rob Clark Cc: John Stultz , Caleb Connolly , Rob Clark , freedreno , Sai Prakash Ranjan , Jonathan Marek , David Airlie , linux-arm-msm , Sharat Masetty , Akhil P Oommen , dri-devel , Jordan Crouse , Stephen Boyd , Bjorn Andersson , Sean Paul , open list Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On Tue, 7 Sept 2021 at 02:53, Rob Clark wrote: > > On Mon, Sep 6, 2021 at 1:50 PM Rob Clark wrote: > > > > > > ok, I guess it is at least not a board specific thing (ie. won't need > > to introduce some dt binding).. > > > > It would be nice to know what the maximum we can safely increase freq > > in one step, if we need to limit that. > > Also, one sanity check.. for android builds, are you using the same > a630_gmu.bin from linux-firmware? If not, does the l-f gmu fw change > things? We are using the same a630_gmu.bin from linux-firmware. > > For freq changes, we basically ask gmu for the freq we want, and it > votes for the requested freq.. so a gmu fw bug could be possible here. > > BR, > -R 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 X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1D545C433F5 for ; Tue, 7 Sep 2021 08:19:35 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id B4679610FF for ; Tue, 7 Sep 2021 08:19:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org B4679610FF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B10EE89CBE; Tue, 7 Sep 2021 08:19:33 +0000 (UTC) Received: from mail-io1-xd2d.google.com (mail-io1-xd2d.google.com [IPv6:2607:f8b0:4864:20::d2d]) by gabe.freedesktop.org (Postfix) with ESMTPS id 55F4489BF8 for ; Tue, 7 Sep 2021 08:19:31 +0000 (UTC) Received: by mail-io1-xd2d.google.com with SMTP id a13so11615162iol.5 for ; Tue, 07 Sep 2021 01:19:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=9MXLDJhiY0fcXEg+LnGTR4OLM7jMrz/NHCTwfTLwDMg=; b=ElO/UJxIHNBjrNw3yfn9GFGNJhWRax3Eba+PUZ2fRtFre/HLcwkOVfWXRighUoPjEM 51pdOWhi5deDUkefb5ithDBAYMI1Xt3Ha6kCwxlz2jU3xLR7RY9A2cvZS1TToCOjgiwb G90h5wXsl4q8wEdtWuWhAcFViVGAa6gdHujMmr+8R2+97UhFUYN8BnSW82RzYCS9z25m U3Hbpw/V04VgoxO2f7CU769BkfR4sAUGF4mft1VQBJSWBaog2UPCDTdWjAc5BfTT59gu jjL8bOtXSq9C7rgou3bRoFo0EQUhz/R3Vi7onjxMLCD33If4/Ri4kEThFAQfEbRnGaik JwGA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=9MXLDJhiY0fcXEg+LnGTR4OLM7jMrz/NHCTwfTLwDMg=; b=i5qxklfQoDHwoA4bbhaGwFhx5aaU5z3ZGCDdp/94V5YNmY6E2Ab/k2ddBPOMFSchx+ d9cl1f8r+mqBHsEaAO2koMrDZFMs1bn/O8ATzBiTHLgLp4gkDWoak8dwoaCH8s/nClpF 9vNF1Wk3UCQzG64D5MBC+CxxDxB3lB8Xt5WDru9OKj6m88rmbxhiex9j5qgT/KLGKbH/ zrrl8kEiUAxZgLQm+EEUwRXVFDTHmYsGJUxr1fb8MhXC3SYpyhdlYHZoA+vD5Nu9nH9c B9cktJwq8PVopAl4Bqs3nF2eViDo0Rn/+YT5xpja/MpEBW34fCitVTvj+GczxURIfOny os1g== X-Gm-Message-State: AOAM533hqEx9dp0PsWEg5mpgHIJ4ZpdF01lMbnr3bycqQynNFDWJg+8P 7ycemfERrH6JH/7S5LEyr/xOl+Au8xnfIP0Mt0jEag== X-Google-Smtp-Source: ABdhPJwIQXLBjfDY4x2hegViI0I26x9Ldz3+Wvni8m5cPnPark5Q3y14GL2LxjfcnaO2magWZu87krrTNuiTaU5QMBA= X-Received: by 2002:a6b:be02:: with SMTP id o2mr12593752iof.103.1631002770826; Tue, 07 Sep 2021 01:19:30 -0700 (PDT) MIME-Version: 1.0 References: <20210729183942.2839925-1-robdclark@gmail.com> <1a38a590-a64e-58ef-1bbf-0ae49c004d05@linaro.org> In-Reply-To: From: Amit Pundir Date: Tue, 7 Sep 2021 13:48:54 +0530 Message-ID: Subject: Re: [PATCH] drm/msm: Disable frequency clamping on a630 To: Rob Clark Cc: John Stultz , Caleb Connolly , Rob Clark , freedreno , Sai Prakash Ranjan , Jonathan Marek , David Airlie , linux-arm-msm , Sharat Masetty , Akhil P Oommen , dri-devel , Jordan Crouse , Stephen Boyd , Bjorn Andersson , Sean Paul , open list Content-Type: text/plain; charset="UTF-8" X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Tue, 7 Sept 2021 at 02:53, Rob Clark wrote: > > On Mon, Sep 6, 2021 at 1:50 PM Rob Clark wrote: > > > > > > ok, I guess it is at least not a board specific thing (ie. won't need > > to introduce some dt binding).. > > > > It would be nice to know what the maximum we can safely increase freq > > in one step, if we need to limit that. > > Also, one sanity check.. for android builds, are you using the same > a630_gmu.bin from linux-firmware? If not, does the l-f gmu fw change > things? We are using the same a630_gmu.bin from linux-firmware. > > For freq changes, we basically ask gmu for the freq we want, and it > votes for the requested freq.. so a gmu fw bug could be possible here. > > BR, > -R