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 7BBDBC3F6B0 for ; Thu, 25 Aug 2022 01:42:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233495AbiHYBm4 (ORCPT ); Wed, 24 Aug 2022 21:42:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39318 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229606AbiHYBmI (ORCPT ); Wed, 24 Aug 2022 21:42:08 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D0F799C526; Wed, 24 Aug 2022 18:38:47 -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 dfw.source.kernel.org (Postfix) with ESMTPS id 6CF1461A28; Thu, 25 Aug 2022 01:38:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A4639C433D7; Thu, 25 Aug 2022 01:38:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1661391525; bh=GAU6auQnSBbeCmtNXr4ktFzRC9D15yCJgrdq7WfNEMI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rzC+HhYbjhoNjLNDTGcln0to5Uqo7rskAdCUtVTDocc4f9NQjE5d+h6fTZJlAmp/h Q7JIcn0Bj0jDgI8FTeV+nyg9yhJ7xuuL8vF3hyRvSCfDkOHFzX3ceGvNq9XwGoJSz6 RyfiwLNC8NW2YC+01lQIJxi0YkyBt+RxWoHVcU7k8IxsUi8IYHvzGMOPPIFhkZ/PNG a8Mf56UlPYhSTPabTaqllQVsrxqPtTlFX4pH4aUVQxq3DbxBSsQNVyEwYmjPHY9cDK 7eGPTu/pzMtVvoL2HAYBsYFBu0Y9LpyjfmC+bhwYVnC44TnYe7Pi6M6QLPbJF2WGHr iVGwahM3lsjug== 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, Aric.Cyr@amd.com, bas@basnieuwenhuizen.nl, joshua@froggi.es, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 5.10 02/11] drm/amd/display: For stereo keep "FLIP_ANY_FRAME" Date: Wed, 24 Aug 2022 21:38:23 -0400 Message-Id: <20220825013836.23205-2-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220825013836.23205-1-sashal@kernel.org> References: <20220825013836.23205-1-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 af462fe4260d..b0fd8859bd2f 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