From patchwork Fri Aug 6 08:17:11 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 493298 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=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 BC78AC4338F for ; Fri, 6 Aug 2021 08:22:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A1D7661181 for ; Fri, 6 Aug 2021 08:22:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244298AbhHFIWO (ORCPT ); Fri, 6 Aug 2021 04:22:14 -0400 Received: from mail.kernel.org ([198.145.29.99]:51400 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243644AbhHFIU6 (ORCPT ); Fri, 6 Aug 2021 04:20:58 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id C580F611EF; Fri, 6 Aug 2021 08:20:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1628238039; bh=z2FjiORDyxIYRNRSzL6v0RUHqVEtdMKdX2dCqsCiIac=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=d9+WXhZ2o3lzfL8rTJD2S0YY0Eu1lmUyWKUKGyFnq8B+KQ37/UYqfEzLKVFdrobOe t7K9KDoyLvVYVQ3G3tLqUQhYghLV6YYIfrz/odf+TBdqHpVAxif3PKKFQit4L6GupU 835zvyxXaPVfDmk03ZAdejv8T6d0NMOEB/H2TVS8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dmytro Laktyushkin , Yongqiang Sun , Rodrigo Siqueira , Victor Lu , Alex Deucher , Sasha Levin Subject: [PATCH 5.13 28/35] drm/amd/display: Fix comparison error in dcn21 DML Date: Fri, 6 Aug 2021 10:17:11 +0200 Message-Id: <20210806081114.649784778@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210806081113.718626745@linuxfoundation.org> References: <20210806081113.718626745@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Victor Lu [ Upstream commit ec3102dc6b36c692104c4a0546d4119de59a3bc1 ] [why] A comparison error made it possible to not iterate through all the specified prefetch modes. [how] Correct "<" to "<=" Reviewed-by: Dmytro Laktyushkin Reviewed-by: Yongqiang Sun Acked-by: Rodrigo Siqueira Signed-off-by: Victor Lu Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c index 398210d1af34..f49743929357 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c @@ -4889,7 +4889,7 @@ void dml21_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l } } while ((locals->PrefetchSupported[i][j] != true || locals->VRatioInPrefetchSupported[i][j] != true) && (mode_lib->vba.NextMaxVStartup != mode_lib->vba.MaxMaxVStartup[0][0] - || mode_lib->vba.NextPrefetchMode < mode_lib->vba.MaxPrefetchMode)); + || mode_lib->vba.NextPrefetchMode <= mode_lib->vba.MaxPrefetchMode)); if (locals->PrefetchSupported[i][j] == true && locals->VRatioInPrefetchSupported[i][j] == true) { mode_lib->vba.BandwidthAvailableForImmediateFlip = locals->ReturnBWPerState[i][0];