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 620EDECAAD5 for ; Fri, 2 Sep 2022 13:42:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237847AbiIBNml (ORCPT ); Fri, 2 Sep 2022 09:42:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41436 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237737AbiIBNmW (ORCPT ); Fri, 2 Sep 2022 09:42:22 -0400 Received: from sin.source.kernel.org (sin.source.kernel.org [IPv6:2604:1380:40e1:4800::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D7CEDFAC72; Fri, 2 Sep 2022 06:19:25 -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 sin.source.kernel.org (Postfix) with ESMTPS id 063BCCE0304; Fri, 2 Sep 2022 12:33:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F202DC433D7; Fri, 2 Sep 2022 12:33:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1662121999; bh=V7K8u+HKkmHfajResnfv9TsuOvtxrbC4m/STKrYaiH4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WHsTKUnCVvzHQbxpw02C2dMNa7J1I1UuoqluHsAuBTreuvU2N2cMnkwmrEEEZlIJo BPfJJHsbVI+HCwNuz7zPB8PiBeyb9BXCm/Vmkbcvt7edQt0wiHmfF/nVbe5yZUs136 IDKmOONYZETnAny6DjcCM0v21YNNd9MLeCh3ilgk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Martin Leung , Tom Chung , Alvin Lee , Daniel Wheeler , Alex Deucher , Sasha Levin Subject: [PATCH 5.15 54/73] drm/amd/display: For stereo keep "FLIP_ANY_FRAME" Date: Fri, 2 Sep 2022 14:19:18 +0200 Message-Id: <20220902121406.221738498@linuxfoundation.org> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220902121404.435662285@linuxfoundation.org> References: <20220902121404.435662285@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: 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 f246125232482..33c2337c4edf3 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