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[104.57.184.186]) by smtp.gmail.com with ESMTPSA id x16sm390098ooj.1.2021.07.21.19.46.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Jul 2021 19:46:17 -0700 (PDT) From: Bjorn Andersson To: Rob Clark , Sean Paul , David Airlie , Daniel Vetter , Kuogee Hsieh Cc: Stephen Boyd , Abhinav Kumar , Tanmay Shah , Chandan Uddaraju , Guenter Roeck , Vara Reddy , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH] drm/msm/dp: Initialize the INTF_CONFIG register Date: Wed, 21 Jul 2021 19:44:34 -0700 Message-Id: <20210722024434.3313167-1-bjorn.andersson@linaro.org> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@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 23458b0ddc37..37cb1102a0ca 100644 --- a/drivers/gpu/drm/msm/dp/dp_catalog.c +++ b/drivers/gpu/drm/msm/dp/dp_catalog.c @@ -747,6 +747,7 @@ 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 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 3F720C6377B for ; Thu, 22 Jul 2021 02:46:20 +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 090466113C for ; Thu, 22 Jul 2021 02:46:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 090466113C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4F3226EE96; Thu, 22 Jul 2021 02:46:19 +0000 (UTC) Received: from mail-ot1-x332.google.com (mail-ot1-x332.google.com [IPv6:2607:f8b0:4864:20::332]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3ED916EE96 for ; Thu, 22 Jul 2021 02:46:18 +0000 (UTC) Received: by mail-ot1-x332.google.com with SMTP id a17-20020a9d3e110000b02904ce97efee36so2037361otd.7 for ; Wed, 21 Jul 2021 19:46:18 -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:mime-version :content-transfer-encoding; bh=PuEoL0cflmj88ic5E/HBFbgKYO0ZjMr2HcVskHGb4+8=; b=gTWxU6v2EWpdjHWSdRsk7wGshB7EBoTxmSV8TDRq2yPSI+1sk7E66j1/hwyjO4OvR1 ERJYkBJc9Dy8API/rXeZ+l4O6oiASLlyq07LRhhazsHoV+RZPzB1EP2osUPlOKuTxtro tsFgityqP73QzS4/Hp56+85gZF9n7sb3eGg9VoHjmF616Yi/u2Bg5wkfZ0cVrwkyb+1+ qRC9l9PhkTMIRd8JVck0BGGsS2UojXzmzZ7pGR8s6EnAUm/4lPqVA69zwov42viY5jbN fO4SlDvt8c6ZkomLyW2cf93psDPozgx8QWP5ynKKkoZpwrY9e7uSlpxofWPei1rnnNsJ u4rA== 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:mime-version :content-transfer-encoding; bh=PuEoL0cflmj88ic5E/HBFbgKYO0ZjMr2HcVskHGb4+8=; b=Zj+fNFDeF4Q4X4Dukj/kisqIx8D8BhUQ/rSfnmzjrv7nmDGJce2iTgmdfneGip9pw6 3xBW7ozenIzyL0oTL9s7g1HXIydypTs2Vh6IfUmlQJN4/P+0XzvoQfDlR34hd3Jb+R9F 9yyRLBcl+hoNNFzw0JMrxUHahQPgmG4lE9E9qofpwF8XczvjbC3mon9dAy2ZaYhH9C3+ qDkG9oDheQF5OwtaOCiK9q8LKm4srKXP/CFZzNSHC1QiPzagaro7+1SB43seItisg5xQ RiBgPtqYl8jPqGxPFDigb0+ed89HvaI0m5+YbC97TLgnWSmy3kGYCf7AL8qCjV1qzCDd 1uhg== X-Gm-Message-State: AOAM533UGq7BTqyPYBeDyiHSA4LEI1On74QG9VTv0DSNinYmSbXs0iQ6 m5ijtCKnvBs4s0WUZxrhqAdJtQ== X-Google-Smtp-Source: ABdhPJzn5vDJKXScBg/5Zax5IQIFFmirfICOQE36McKeLi23Vbz6GYsDN43N0AUPf+NSyaLxhLNgXQ== X-Received: by 2002:a05:6830:1b6b:: with SMTP id d11mr27389811ote.234.1626921977560; Wed, 21 Jul 2021 19:46:17 -0700 (PDT) Received: from localhost.localdomain (104-57-184-186.lightspeed.austtx.sbcglobal.net. [104.57.184.186]) by smtp.gmail.com with ESMTPSA id x16sm390098ooj.1.2021.07.21.19.46.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Jul 2021 19:46:17 -0700 (PDT) From: Bjorn Andersson To: Rob Clark , Sean Paul , David Airlie , Daniel Vetter , Kuogee Hsieh Subject: [PATCH] drm/msm/dp: Initialize the INTF_CONFIG register Date: Wed, 21 Jul 2021 19:44:34 -0700 Message-Id: <20210722024434.3313167-1-bjorn.andersson@linaro.org> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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: , Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Tanmay Shah , Stephen Boyd , Abhinav Kumar , Guenter Roeck , Vara Reddy , freedreno@lists.freedesktop.org, Chandan Uddaraju Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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 23458b0ddc37..37cb1102a0ca 100644 --- a/drivers/gpu/drm/msm/dp/dp_catalog.c +++ b/drivers/gpu/drm/msm/dp/dp_catalog.c @@ -747,6 +747,7 @@ 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