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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E95FDEB64DD for ; Fri, 21 Jul 2023 16:25:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232930AbjGUQZL (ORCPT ); Fri, 21 Jul 2023 12:25:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51730 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232931AbjGUQYy (ORCPT ); Fri, 21 Jul 2023 12:24:54 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 249013C2B for ; Fri, 21 Jul 2023 09:21:38 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 39BD461D1E for ; Fri, 21 Jul 2023 16:21:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CFB02C43397; Fri, 21 Jul 2023 16:21:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1689956463; bh=tgFzvKUHYoeAKS0GWZZZ+yXSaLZV1Ogk6qV2XcgO2DU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=s1PbsFtH4AEoQFyG1MKx3Uf/GVfbFxCkSyuzdZHP2RXXgnJAFPXgZXYQzMp4RU35r 4WicLRnpJzQoma9x9SEm5fQZ9gtjegOxX12C+v1a5wkN4IoKnw8sGSGai0132PVOHf LLbxjXH+E0FYC3AAYrMTXFpDz5QjYEDdWE7MeyUM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Nicholas Kazlauskas , Hamza Mahfooz , Leo Chen , Alex Deucher Subject: [PATCH 6.4 202/292] drm/amd/display: disable seamless boot if force_odm_combine is enabled Date: Fri, 21 Jul 2023 18:05:11 +0200 Message-ID: <20230721160537.560584988@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230721160528.800311148@linuxfoundation.org> References: <20230721160528.800311148@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Leo Chen commit 26518b39181876064850209ecdab48c0ee5924b1 upstream. [Why & How] Having seamless boot on while forcing debug option ODM combine 2 to 1 will cause some corruptions because of some missing programmings. Cc: stable@vger.kernel.org # 6.1+ Reviewed-by: Nicholas Kazlauskas Acked-by: Hamza Mahfooz Signed-off-by: Leo Chen Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/display/dc/core/dc.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1602,6 +1602,9 @@ bool dc_validate_boot_timing(const struc return false; } + if (dc->debug.force_odm_combine) + return false; + /* Check for enabled DIG to identify enabled display */ if (!link->link_enc->funcs->is_dig_enabled(link->link_enc)) return false;