From patchwork Mon Aug 2 13:45:09 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 490354 Delivered-To: patch@linaro.org Received: by 2002:a05:6638:1185:0:0:0:0 with SMTP id f5csp1954545jas; Mon, 2 Aug 2021 07:04:56 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzzLufsrGYF3bl9xJFUyIJFheSy3yz7Wm0d1f6f495raLA+FiN4rTKs9uJ1SBQUbvZnM5cO X-Received: by 2002:a05:6602:1203:: with SMTP id y3mr2227580iot.192.1627913096492; Mon, 02 Aug 2021 07:04:56 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1627913096; cv=none; d=google.com; s=arc-20160816; b=zdwWisySfxhACyh6w4UgJA0tXb5LWOdHuJCEI+FmV9hDkoF2ieNpPyB1N4r5WY5coy LOvYXO1ERW/oFif16RxwIXYoPYUjsu3kUpzBTHT4PNgTuaJxR4VujLx3mw5TakBbIpsU hpRU9TGerDgiOe1AS1oa9Bztbgg24UCYpYzL3aKZxKwJz7rpY+El2rSwp85WdU64WOIo yMKXw+F0Epn/yTisjbPsRkGZmqI0BgSudfCKMk4FOAFmxaCEXOxDmWng0/G4p68TRKqG AAPWBUi9+GUK3TuzJtTCEtmT+LL6SlrMxAkcUkbpE07sCTH5v13BJ7T/v/soK5cp1K9d wKTQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :user-agent:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=0S7/yycjB00jBkd+vtOSw1MvHNb0vIfSmEL/kaXKkzE=; b=MNiqusHL/qE5EiKawywlECpoPTK7fh1V6AuSgmSMEsPJlV7sRYbhPtEjlyuS22TXPn QmHTwiFbBpTPgs/hLz6h6GbJtaCZ3fM03/bJA6MxAsQ8302CDOXqUssaVlvbAUqfbkI8 qP1wBLTvtGSYs51UPfzURT9kgRs5LoPTMm0NKuGzqMP0klLznk3miF35Lh4n/HJk3G71 bRJeywdNqPg2rXm2pr1l4ib3l+1nPaFNn2BZc7G3Aw69vTqW9zwAZJLWbSljYh9yGDO9 rqevFbr5kOd6s+QU+CZSbZ/tNfoimvI1RvcBrTtz6PJR0MklIQX5m0eVEMsFqLizMlqb A5GQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b="v/YycEKi"; spf=pass (google.com: domain of stable-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=stable-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id d20si12343422ioo.61.2021.08.02.07.04.56; Mon, 02 Aug 2021 07:04:56 -0700 (PDT) Received-SPF: pass (google.com: domain of stable-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b="v/YycEKi"; spf=pass (google.com: domain of stable-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=stable-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236185AbhHBOEK (ORCPT + 12 others); Mon, 2 Aug 2021 10:04:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:49752 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235472AbhHBOCH (ORCPT ); Mon, 2 Aug 2021 10:02:07 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A9ECF61186; Mon, 2 Aug 2021 13:56:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1627912614; bh=36htMheiM5cvlTuBNHwrHhafl3ZaNJxJhtphZUn9Bmk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=v/YycEKi0p1f8meRZnUiyfiU8sl6cuRWzdxjEREBI0pUWJWkDa7K6PUec8nTU/ZyM 47jkwvbav2r/Wtio0woAuo4sKzxhkvQGxvEK37RZLDvwOtsD5c0bmJtmhhid+fHJda kClkddDpZPdnTSPGQSSqpMYUGGPMckQjMXblkKNo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Bjorn Andersson , Stephen Boyd , Rob Clark , Sasha Levin Subject: [PATCH 5.13 072/104] drm/msm/dp: Initialize the INTF_CONFIG register Date: Mon, 2 Aug 2021 15:45:09 +0200 Message-Id: <20210802134346.387675173@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210802134344.028226640@linuxfoundation.org> References: <20210802134344.028226640@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Bjorn Andersson [ Upstream commit f9a39932fa54b6421e751ada7a285da809146421 ] 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 Reviewed-by: Stephen Boyd Link: https://lore.kernel.org/r/20210722024434.3313167-1-bjorn.andersson@linaro.org Signed-off-by: Rob Clark Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/dp/dp_catalog.c | 1 + 1 file changed, 1 insertion(+) -- 2.30.2 diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.c b/drivers/gpu/drm/msm/dp/dp_catalog.c index f4f53f23e331..146a223a997a 100644 --- a/drivers/gpu/drm/msm/dp/dp_catalog.c +++ b/drivers/gpu/drm/msm/dp/dp_catalog.c @@ -762,6 +762,7 @@ 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; }