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=-19.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 DD321C43216 for ; Tue, 27 Jul 2021 13:31:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C870261A87 for ; Tue, 27 Jul 2021 13:31:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236682AbhG0NbR (ORCPT ); Tue, 27 Jul 2021 09:31:17 -0400 Received: from mail.kernel.org ([198.145.29.99]:56478 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236679AbhG0NUQ (ORCPT ); Tue, 27 Jul 2021 09:20:16 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4CD1061AA2; Tue, 27 Jul 2021 13:19:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1627391972; bh=z2FjiORDyxIYRNRSzL6v0RUHqVEtdMKdX2dCqsCiIac=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JSc3d82AhyYyfhtpPR648CLNGQh/zrpDfoN1qWxgsBtUrZamqmDhgG1gRnix5tlK2 HzwUaSu3IjxK2PQyc8Rgnr+y2iETJOQqfD9/dRmPRTDlLs5fFIG3As8nbhxmz3XCGm 4sEAiFtA9EJrw2RVW8aLIY6pmvVMmsP017b+GyxKJFVsDF1Aws/i73JZq4uvVcNtUE 6kqlDSQjqWT8XuGoaRnZMvBXhO5FdMKbPXANjs8kID3PUY5rZCc5aBEd7iCZ2d2LHQ vNkj5ATYFSLy5tuZ3pFLkxVaDzFqgk/0kC356Q8SbMo//MPVUkEnlKRTYCyhYA1xCF FGk1RGwIPGS+Q== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Victor Lu , Dmytro Laktyushkin , Yongqiang Sun , Rodrigo Siqueira , Alex Deucher , Sasha Levin , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 5.13 17/21] drm/amd/display: Fix comparison error in dcn21 DML Date: Tue, 27 Jul 2021 09:19:04 -0400 Message-Id: <20210727131908.834086-17-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210727131908.834086-1-sashal@kernel.org> References: <20210727131908.834086-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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]; -- 2.30.2