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 C0A63C04AA5 for ; Thu, 25 Aug 2022 01:35:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232620AbiHYBfV (ORCPT ); Wed, 24 Aug 2022 21:35:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52776 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232496AbiHYBfE (ORCPT ); Wed, 24 Aug 2022 21:35:04 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CDA657822B; Wed, 24 Aug 2022 18:35:00 -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 E4DEFB826E1; Thu, 25 Aug 2022 01:34:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B96C5C4347C; Thu, 25 Aug 2022 01:34:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1661391297; bh=lUxI790MNcbkGJSK6krcvy3O2bLEsNoGnXLWxpg4Pt8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sqOpjxKosiiKCt1iHlLLkf9dciu3jeQhbusOhwp5TdxWo+liaePC+gysJl05ouvek pKxSpgJyDGzPTyMd4UkSmFoTJeAxcbp8ecJetwFVDog4bwoMjGxXzD0BnhlnNkiAkw hJMkeUjsY2cs2T22nb5woQXNJvO47yUfVKupKjGRUytnnKG3F7O2eG0q+hq76nUyL4 UVcOIwIKd07aq4nVRGHOazT9kMYMx2P9NNdILsZToRkbL7olPe9DZgrsO415nZSrLS 1gXd+RWIb5g3CvH1aGDBHnwxwVpB25d7tcNJpojxVzM8d02emSGTBJFUF0scXoW6La WczCxdQopHLUQ== 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, joshua@froggi.es, Pavle.Kotarac@amd.com, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 5.19 09/38] drm/amd/display: For stereo keep "FLIP_ANY_FRAME" Date: Wed, 24 Aug 2022 21:33:32 -0400 Message-Id: <20220825013401.22096-9-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220825013401.22096-1-sashal@kernel.org> References: <20220825013401.22096-1-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 6a4dcafb9bba..dc3e8df706b3 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