From patchwork Wed Feb 17 23:09:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuogee Hsieh X-Patchwork-Id: 383965 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=-16.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 DB437C433E6 for ; Wed, 17 Feb 2021 23:11:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A09DC64E63 for ; Wed, 17 Feb 2021 23:11:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229806AbhBQXKv (ORCPT ); Wed, 17 Feb 2021 18:10:51 -0500 Received: from z11.mailgun.us ([104.130.96.11]:43263 "EHLO z11.mailgun.us" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229459AbhBQXKv (ORCPT ); Wed, 17 Feb 2021 18:10:51 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1613603430; h=Message-Id: Date: Subject: Cc: To: From: Sender; bh=E6xBGuNYRN5HDClpt7HT2d4wSVDsbV4Q9yzw+0QE02E=; b=a/7g8bnEttRsekxodJXCFK4eSLLovDD0l7ZsgT229Qi6OaDToFuGecDb1ysZ6cVA38GrfMq3 JH6H83FmPF20Jmjq+EPSW+7J0jPEYS1Qd2zeRv5rXcbuQ0QbmyWsXa+/rv5f/764Ce4ingXN uyUOUmGScVvRU53umUaixTzmTf0= X-Mailgun-Sending-Ip: 104.130.96.11 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n01.prod.us-west-2.postgun.com with SMTP id 602da24d97484ee2ac353a1f (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Wed, 17 Feb 2021 23:10:05 GMT Sender: khsieh=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 1AF75C433C6; Wed, 17 Feb 2021 23:10:05 +0000 (UTC) Received: from khsieh-linux1.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: khsieh) by smtp.codeaurora.org (Postfix) with ESMTPSA id B49D6C433C6; Wed, 17 Feb 2021 23:10:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org B49D6C433C6 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=khsieh@codeaurora.org From: Kuogee Hsieh To: robdclark@gmail.com, sean@poorly.run, swboyd@chromium.org Cc: tanmay@codeaurora.org, abhinavk@codeaurora.org, aravindh@codeaurora.org, khsieh@codeaurora.org, airlied@linux.ie, daniel@ffwll.ch, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] drm/msm/dp: Drop limit link rate at HBR2 Date: Wed, 17 Feb 2021 15:09:57 -0800 Message-Id: <1613603397-21179-1-git-send-email-khsieh@codeaurora.org> X-Mailer: git-send-email 2.7.4 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Drop limit link rate at HBR2 to support link rate upto HBR3. Signed-off-by: Kuogee Hsieh Reviewed-by: Stephen Boyd Tested-by: Stephen Boyd --- drivers/gpu/drm/msm/dp/dp_panel.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_panel.c b/drivers/gpu/drm/msm/dp/dp_panel.c index 9cc8166..63112fa 100644 --- a/drivers/gpu/drm/msm/dp/dp_panel.c +++ b/drivers/gpu/drm/msm/dp/dp_panel.c @@ -76,10 +76,6 @@ static int dp_panel_read_dpcd(struct dp_panel *dp_panel) if (link_info->num_lanes > dp_panel->max_dp_lanes) link_info->num_lanes = dp_panel->max_dp_lanes; - /* Limit support upto HBR2 until HBR3 support is added */ - if (link_info->rate >= (drm_dp_bw_code_to_link_rate(DP_LINK_BW_5_4))) - link_info->rate = drm_dp_bw_code_to_link_rate(DP_LINK_BW_5_4); - DRM_DEBUG_DP("version: %d.%d\n", major, minor); DRM_DEBUG_DP("link_rate=%d\n", link_info->rate); DRM_DEBUG_DP("lane_count=%d\n", link_info->num_lanes);