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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, 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 02A76C4320E for ; Mon, 2 Aug 2021 14:01:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D80DD60725 for ; Mon, 2 Aug 2021 14:01:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234048AbhHBOBg (ORCPT ); Mon, 2 Aug 2021 10:01:36 -0400 Received: from mail.kernel.org ([198.145.29.99]:40308 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236219AbhHBNzJ (ORCPT ); Mon, 2 Aug 2021 09:55:09 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 3EB6E6117A; Mon, 2 Aug 2021 13:53:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1627912419; bh=5RuXNqgjEmhkTK80IcY3+uVcJLZlcJw8MTVEstNlzjM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UG/XHiWzEBSW481NXqDrYdeuxaCTnjkuqOYgtd/4LdyZl67tLMYVvizdq8Z/1cAZC cFDWH1H5vs8dz0pndTonwadHXpiTWhTrFtkTP7WgCCYqvrGB0haj63ntDW/D/gFvyx DeCI0v38ySglbNngH4KQaqw1/V4TvvqKqirRi/IQ= 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 5.10 50/67] drm/msm/dp: Initialize the INTF_CONFIG register Date: Mon, 2 Aug 2021 15:45:13 +0200 Message-Id: <20210802134340.740659982@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210802134339.023067817@linuxfoundation.org> References: <20210802134339.023067817@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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(+) diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.c b/drivers/gpu/drm/msm/dp/dp_catalog.c index 4963bfe6a472..aeca8b2ac5c6 100644 --- a/drivers/gpu/drm/msm/dp/dp_catalog.c +++ b/drivers/gpu/drm/msm/dp/dp_catalog.c @@ -740,6 +740,7 @@ 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; } -- 2.30.2