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 EB5EDC04AA5 for ; Thu, 25 Aug 2022 01:39:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232817AbiHYBjv (ORCPT ); Wed, 24 Aug 2022 21:39:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51606 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232647AbiHYBjI (ORCPT ); Wed, 24 Aug 2022 21:39:08 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6944F9A948; Wed, 24 Aug 2022 18:37:43 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id D9517B826E1; Thu, 25 Aug 2022 01:37:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D3413C433C1; Thu, 25 Aug 2022 01:37:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1661391454; bh=JDAFhXSkDBBGX52pifLUdEO2PYCrCaPG4d6XhRYnTMM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bXHbdXSuUHtFyY5FtUNjKPdRwDcYv+Z4oTF4bu43e1oTGPKPOSybkyjBN2AOb0koB m0adZzm2Z8HD+da3adXc02f7D+Jg/YxrSxfehaux1syUJt2Qf35t9J9rmeR3Bgd5VQ uMLkkh9zPMaA2kQTxuKVjRIwto0YSuSrW3ya/HA60Stzfr4n6SP5R7BOuayZaRueTL JYmVMRYnTQVq6fxYqd4Tht5VDTofyBglUS2edNTGR5eDEvO+ZoKCGnZP9jFjSJLJtb DeyvMUyXrx6THbyEdbDLTvdER9UwWIXgQJMQzL/KpqNqEpTqMAZFkeXZE5fB4Apbgj jZDAeqMUnNxhg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Alvin Lee , Martin Leung , Tom Chung , Daniel Wheeler , Alex Deucher , Sasha Levin , harry.wentland@amd.com, sunpeng.li@amd.com, Rodrigo.Siqueira@amd.com, christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@linux.ie, daniel@ffwll.ch, Pavle.Kotarac@amd.com, joshua@froggi.es, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 5.15 05/20] drm/amd/display: For stereo keep "FLIP_ANY_FRAME" Date: Wed, 24 Aug 2022 21:36:57 -0400 Message-Id: <20220825013713.22656-5-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220825013713.22656-1-sashal@kernel.org> References: <20220825013713.22656-1-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: Alvin Lee [ Upstream commit 84ef99c728079dfd21d6bc70b4c3e4af20602b3c ] [Description] Observed in stereomode that programming FLIP_LEFT_EYE can cause hangs. Keep FLIP_ANY_FRAME in stereo mode so the surface flip can take place before left or right eye Reviewed-by: Martin Leung Acked-by: Tom Chung Signed-off-by: Alvin Lee Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c index f24612523248..33c2337c4edf 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c @@ -86,7 +86,7 @@ bool hubp3_program_surface_flip_and_addr( VMID, address->vmid); if (address->type == PLN_ADDR_TYPE_GRPH_STEREO) { - REG_UPDATE(DCSURF_FLIP_CONTROL, SURFACE_FLIP_MODE_FOR_STEREOSYNC, 0x1); + REG_UPDATE(DCSURF_FLIP_CONTROL, SURFACE_FLIP_MODE_FOR_STEREOSYNC, 0); REG_UPDATE(DCSURF_FLIP_CONTROL, SURFACE_FLIP_IN_STEREOSYNC, 0x1); } else { -- 2.35.1