From patchwork Tue May 5 04:32:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Doug Anderson X-Patchwork-Id: 189282 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=-9.9 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 7749FC47258 for ; Tue, 5 May 2020 04:32:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5840C206CC for ; Tue, 5 May 2020 04:32:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="btGoVaOq" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726129AbgEEEck (ORCPT ); Tue, 5 May 2020 00:32:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42608 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1725320AbgEEEck (ORCPT ); Tue, 5 May 2020 00:32:40 -0400 Received: from mail-pj1-x1044.google.com (mail-pj1-x1044.google.com [IPv6:2607:f8b0:4864:20::1044]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8286BC061A10 for ; Mon, 4 May 2020 21:32:38 -0700 (PDT) Received: by mail-pj1-x1044.google.com with SMTP id a32so466870pje.5 for ; Mon, 04 May 2020 21:32:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=OGLmPxsShIHn4CHHbn8Pe8eVKKsfBl2KpXHBFAlksI8=; b=btGoVaOqEwDh281RyzGWWpVCibotYTf5Q5OZiRkLjKUSde0ATaySojqpvzC60y/oCY LJyDkuQcisPIKzP+b1dgIQe8h/fyUo5uDW32lSNQSGFw/rvCwQ28Kh1Daiv/5BaDtQgG BXISZfHmzwspCJZ+ZsuW6xjf5lZyTP06U8EVE= 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=OGLmPxsShIHn4CHHbn8Pe8eVKKsfBl2KpXHBFAlksI8=; b=Ko8wGqPNBqXJITeBl767bxEknRwq/oKHdJJm2nHiIQevcA47soB1Q+cOU7Iu2bLnuR jYSeZXZwFZRtZFtz4UxSUJfZ+1rjnnKMaAZMF+eHb+wkQsicjYuIFSM9V1tKwSPZK0zj XjGH6jIJWHc0a2OIi5xVyAcLginNMdJNYQzsOXvLytpIQqvq4a/o8BgYLBnsQ6taaxb0 LcCe2mNP8LlM3pmnI5z09VuavZi53V7ih3EsIEBnp9oQWhzqRIxjjNwMb9yKVZxmwk85 ZUpbNX5wgU9ObXH9t4sl1u09aTX4DBadh8+/H+xCskN+uV3suriad6XdDFP/mvW5cW0T 5wmw== X-Gm-Message-State: AGi0Puahu0OLe6HuTo29mLiSYFZTzU0gP4QAKndCioXHZqAIQrnvwMc4 NaHQPZHkJMv3ZUOHUF5c22IUKw== X-Google-Smtp-Source: APiQypJRhfyblghgHdLN4pfxYjK2JQv0NLCq3d5jMQ6MWWmHOgq57l9LIwfyXHf0s/iviGLG8+DN3A== X-Received: by 2002:a17:90a:fb4e:: with SMTP id iq14mr608631pjb.146.1588653158036; Mon, 04 May 2020 21:32:38 -0700 (PDT) Received: from tictac2.mtv.corp.google.com ([2620:15c:202:1:24fa:e766:52c9:e3b2]) by smtp.gmail.com with ESMTPSA id w11sm545075pjy.11.2020.05.04.21.32.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 May 2020 21:32:37 -0700 (PDT) From: Douglas Anderson To: Andrzej Hajda , Neil Armstrong , Laurent Pinchart Cc: linux-arm-msm@vger.kernel.org, seanpaul@chromium.org, robdclark@chromium.org, Douglas Anderson , Daniel Vetter , David Airlie , Jernej Skrabec , Jonas Karlman , Sandeep Panda , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH] drm/bridge: ti-sn65dsi86: Fix off-by-one error in clock choice Date: Mon, 4 May 2020 21:32:29 -0700 Message-Id: <20200504213225.1.I21646c7c37ff63f52ae6cdccc9bc829fbc3d9424@changeid> X-Mailer: git-send-email 2.26.2.526.g744177e7f7-goog MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org If the rate in our table is _equal_ to the rate we want then it's OK to pick it. It doesn't need to be greater than the one we want. Fixes: a095f15c00e2 ("drm/bridge: add support for sn65dsi86 bridge driver") Signed-off-by: Douglas Anderson Reviewed-by: Stephen Boyd Reviewed-by: Rob Clark --- drivers/gpu/drm/bridge/ti-sn65dsi86.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c index 6ad688b320ae..be000b0ca56b 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c @@ -475,7 +475,7 @@ static int ti_sn_bridge_calc_min_dp_rate_idx(struct ti_sn_bridge *pdata) 1000 * pdata->dp_lanes * DP_CLK_FUDGE_DEN); for (i = 1; i < ARRAY_SIZE(ti_sn_bridge_dp_rate_lut) - 1; i++) - if (ti_sn_bridge_dp_rate_lut[i] > dp_rate_mhz) + if (ti_sn_bridge_dp_rate_lut[i] >= dp_rate_mhz) break; return i;