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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3CB7EC54EBC for ; Mon, 9 Jan 2023 00:52:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233145AbjAIAwQ (ORCPT ); Sun, 8 Jan 2023 19:52:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32898 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232943AbjAIAwN (ORCPT ); Sun, 8 Jan 2023 19:52:13 -0500 Received: from mail-lf1-x135.google.com (mail-lf1-x135.google.com [IPv6:2a00:1450:4864:20::135]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2DC63E006 for ; Sun, 8 Jan 2023 16:52:12 -0800 (PST) Received: by mail-lf1-x135.google.com with SMTP id v25so10637868lfe.12 for ; Sun, 08 Jan 2023 16:52:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=PHvuNchyTf0JxyKjCf6EGob9W8kzk1hdEyEoHvPc1cE=; b=E272CbEcg/ch0H4vmqe05PP0b7nbdRRPBxTWoKH42ncT/RRNmNFnkEwx8NWLdpGACF /VcfouoskqL4c5qlHZyH/pkT8ntfZoWbu7WkJm3Urmor8hss5jNsSQudTM23HuFexxvu tN7pLGjWt9I8CzrgOiZfYCHkfmMe+7hmrCUcQFRTDuZgaqNgC+4dEP2LMn6+E75+1JCE b9/f4x4rEOo3wXp3rcpUA9mHAy3sPFVwBaeqDQZS2whMMvOtcQRwn3mibXgSBGadkt2z p35SaqrEpx7wX3j5+EwrFLc7ht0MA4+mj1vsrtPFY8aYhMZUutbIg03769gwd7QEApE9 3UAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=PHvuNchyTf0JxyKjCf6EGob9W8kzk1hdEyEoHvPc1cE=; b=qURMaRP2VZmRRKiGGbX8l7cGuFLnaQIJNTMmpOpa5utueBfpdcAEgtH4HUoOsbXb8D R9BdGplGOjBv4/YiYXCsDU+x7x17LINWK6d9tpElWRqU908RM5XLUYZQqsBE6HH/rc0+ YMvMNmy/ax2SWRHuHwGrbqIQ1lD4g3ko5hmAcxSsqqSNbvP8j750XbHf8puGvl9ipkzb b7vGJw4cnjw1o/aaDvPv2Sw/70Cs4LhbaPkl1F/WU4iy7su2yj3bk0xPaF/VowrwqdZD cI4d0PMe8USK8WUUQRE5kl4iYGrBKW4GtxXwjq6bliSAXAnzFbKT2B4CYonv5tt9LTtk qj3g== X-Gm-Message-State: AFqh2kr8AD8Y/wAfi8oKDq/tfUTihI14/XA+LjLjhV26a3X53NGslXPV sfNaM5F/kzj3A5U77HW9IMfwTw== X-Google-Smtp-Source: AMrXdXvCOZArkwsvdejn7zj+K5qSadWOiNLD0c6Mrcc41T/n4BgVrVx9KFuJTbuufow7pyIdT4/tNQ== X-Received: by 2002:a05:6512:2394:b0:4b5:987c:de3e with SMTP id c20-20020a056512239400b004b5987cde3emr25136830lfv.69.1673225530595; Sun, 08 Jan 2023 16:52:10 -0800 (PST) Received: from eriador.lan (dzccz6yyyyyyyyyyybcwt-3.rev.dnainternet.fi. [2001:14ba:a085:4d00::8a5]) by smtp.gmail.com with ESMTPSA id c25-20020ac25f79000000b00494643db68fsm1317493lfc.81.2023.01.08.16.52.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 08 Jan 2023 16:52:10 -0800 (PST) From: Dmitry Baryshkov To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v2 0/4] drm/msm/mdss: enable access to hw_rev from MDSS driver Date: Mon, 9 Jan 2023 02:52:05 +0200 Message-Id: <20230109005209.247356-1-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.39.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On newer platforms mdss can read hw_rev register. On older platforms the mdss driver can not read hw_rev register (to determine the platform). Add optional 'core' clock that enables access to MDSS registers before MDP5/DPU device is bound (and enabled the core clock). Dmitry Baryshkov (4): dt-bindings: display/msm: add core clock to the mdss bindings drm/msm/mdss: enable optional core clock for MDP5 MDSS drm/msm/mdss: check for core clk before accessing HW_REV drm/msm/mdss: move is_mdp5 condition to msm_mdss_init .../bindings/display/msm/qcom,mdss.yaml | 34 ++++++++++++++----- drivers/gpu/drm/msm/msm_mdss.c | 31 ++++++++++++----- 2 files changed, 48 insertions(+), 17 deletions(-) -- 2.39.0