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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 91668C43461 for ; Tue, 11 May 2021 04:21:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6592C6191F for ; Tue, 11 May 2021 04:21:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230400AbhEKEWI (ORCPT ); Tue, 11 May 2021 00:22:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52768 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230385AbhEKEWF (ORCPT ); Tue, 11 May 2021 00:22:05 -0400 Received: from mail-oo1-xc2a.google.com (mail-oo1-xc2a.google.com [IPv6:2607:f8b0:4864:20::c2a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 413FCC061574 for ; Mon, 10 May 2021 21:20:59 -0700 (PDT) Received: by mail-oo1-xc2a.google.com with SMTP id o202-20020a4a2cd30000b02901fcaada0306so3943327ooo.7 for ; Mon, 10 May 2021 21:20:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Fq9YiG4i+9Hg/626b2mYGf1Zeeqbbz7nhqruiypzKLM=; b=r/vp57WL04V0/z3ZbLOXmSODOaboMQD6mvsfrkIp8O5AOIFj+JAAAxETVVbPZRMoZD 1BK8aLg1OtWzGA/TowHkOLnq/6mOR01C5u5fB5TYjNAdZY9ODcbQZC5ze3/zFrTRvoRd PD5Cf9sL1RwI/sSjlIQa6rRgsJPzoGNwXaXovRhNIn2sq1w1ZlD9WLKdqykwyr1oFs8U qbuNw5L6oRRlctHDuAvzHjGB3/uxMIZFXhxU3QuKcCBwsQmhMGdnrGzUjQbGW9h8tlmZ 4oujK0m6oFrRrWtAzjq6oCrMaTLL0bclq2NGugNLVSiFUO0IX5EyYORyBf8212yHg+oB VW2A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Fq9YiG4i+9Hg/626b2mYGf1Zeeqbbz7nhqruiypzKLM=; b=tPXyF4il3dVENcGM46CKf4LHTnRh0Fjvr7UkSyau0mF7S75oVae5JzUZmVBMdsE6XH RdFKPU0h/+ip1PAfrSWdIM7PBMqTjhF0BXBv0OtoSPIoabxKTHmimVP9XJ4ZcrsFOj2i 3qecGdaf9iEboCE54asa/GSt0xjpX7OHOyUVeJT6lsUQNssdXAUK5wUwmoW7iDoMRuCe VaKXd4TYbDTzxiHQnjTEqNLqOhzjHX8OAoMITwr66xEGu9B8qOdd6PHk2yEyZOCThGcb El/7ifztdAfYZZ35EiUxBXR5gmxm/JO7wRBWzjIuje83NOEIUIcCccuss2+BOg5hN4nS tl3A== X-Gm-Message-State: AOAM530qVNTCp2oF5+3Nf+BztGJdH3RaOmeNHWD0vfsDMqGH2PcZGhwh ciV6zPfSC+fJvZhGCo8eiLI8Cg== X-Google-Smtp-Source: ABdhPJyVF8rLen4EcnoW1kysZcaLvhFVqL45nBVtHdbEibmOqIEkmJKRUCNqaNbO4OoxFZvT0nqedg== X-Received: by 2002:a4a:e385:: with SMTP id l5mr21768512oov.48.1620706858691; Mon, 10 May 2021 21:20:58 -0700 (PDT) Received: from localhost.localdomain ([2607:fb90:e623:42c1:10df:adff:fec2:f1d]) by smtp.gmail.com with ESMTPSA id r124sm3042294oig.38.2021.05.10.21.20.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 May 2021 21:20:58 -0700 (PDT) From: Bjorn Andersson To: Rob Clark , Sean Paul , David Airlie , Daniel Vetter , Stephen Boyd , sbillaka@codeaurora.org Cc: Tanmay Shah , Chandan Uddaraju , Abhinav Kumar , Dmitry Baryshkov , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/4] drm/msm/dp: Initialize the INTF_CONFIG register Date: Mon, 10 May 2021 23:20:42 -0500 Message-Id: <20210511042043.592802-4-bjorn.andersson@linaro.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210511042043.592802-1-bjorn.andersson@linaro.org> References: <20210511042043.592802-1-bjorn.andersson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Some bootloaders set the widebus enable bit in the INTF_CONFIG register, but configuration of widebus isn't yet supported ensure that the register has a known value, with widebus disabled. Fixes: c943b4948b58 ("drm/msm/dp: add displayPort driver support") Signed-off-by: Bjorn Andersson --- drivers/gpu/drm/msm/dp/dp_catalog.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.c b/drivers/gpu/drm/msm/dp/dp_catalog.c index a0449a2867e4..e3996eef5518 100644 --- a/drivers/gpu/drm/msm/dp/dp_catalog.c +++ b/drivers/gpu/drm/msm/dp/dp_catalog.c @@ -707,6 +707,7 @@ int dp_catalog_panel_timing_cfg(struct dp_catalog *dp_catalog) dp_write_link(catalog, REG_DP_HSYNC_VSYNC_WIDTH_POLARITY, dp_catalog->width_blanking); dp_write_link(catalog, REG_DP_ACTIVE_HOR_VER, dp_catalog->dp_active); + dp_write_p0(catalog, MMSS_DP_INTF_CONFIG, 0); return 0; } -- 2.29.2