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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B1D26C2BBFD for ; Sat, 11 Apr 2020 23:49:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7DC50206F7 for ; Sat, 11 Apr 2020 23:49:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586648993; bh=J+3YkxKcZRYQRP+VnnMnH98zYMcjPCiYFjdt5zVCiu0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=KNLQTUXiW/us7D2ewAOgWSxV1I+LBZjeKUH5RAKBrbr+O8OcyX4vIHSnoqAW1PmDF 0BH0t+irUbOx3mRZcqJp/1N4o/xlAqCNsr4l6AnQIfi+yCEsagqU7KlQOsIKh/DBvl LjAbYZ0pUsaDwm+loxcvd/FodOWU7NOEuS/HM6vw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727092AbgDKXEU (ORCPT ); Sat, 11 Apr 2020 19:04:20 -0400 Received: from mail.kernel.org ([198.145.29.99]:37228 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727018AbgDKXEG (ORCPT ); Sat, 11 Apr 2020 19:04:06 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2101721744; Sat, 11 Apr 2020 23:04:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586646247; bh=J+3YkxKcZRYQRP+VnnMnH98zYMcjPCiYFjdt5zVCiu0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GNGqvAP1vsVZiNED0wN66wA/RbYMC0lFOnH/7s3M41AcsUw164zEZLn/tF4aAEmQ4 aezUKA1cWQqskN561XamZ0ESs27StxPlTTDCXmFqBqbL+KqBW16Gsb3s7qWNehb/+e rQj0CaZOqFWAGrAA4ygHQlkaOIHeiXUdGF3m6USk= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Nicholas Kazlauskas , Hersen Wu , Rodrigo Siqueira , Alex Deucher , Sasha Levin , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 5.6 015/149] drm/amd/display: Explicitly disable triplebuffer flips Date: Sat, 11 Apr 2020 19:01:32 -0400 Message-Id: <20200411230347.22371-15-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200411230347.22371-1-sashal@kernel.org> References: <20200411230347.22371-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Nicholas Kazlauskas [ Upstream commit 2d673560b7b83f8fe4163610f35c51b4d095525c ] [Why] This is enabled by default on Renoir but there's userspace/API support to actually make use of this. Since we're not passing this down through surface updates, let's explicitly disable this for now. This fixes "dcn20_program_front_end_for_ctx" warnings associated with incorrect/unexpected programming sequences performed while this is enabled. [How] Disable it at the topmost level in DM in case anyone tries to flip this to enabled for any of the other ASICs like Navi10/14. Signed-off-by: Nicholas Kazlauskas Reviewed-by: Hersen Wu Acked-by: Rodrigo Siqueira Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index b9853fd724d60..f2850f5b0808c 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -2909,6 +2909,9 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev) if (adev->asic_type != CHIP_CARRIZO && adev->asic_type != CHIP_STONEY) dm->dc->debug.disable_stutter = amdgpu_pp_feature_mask & PP_STUTTER_MODE ? false : true; + /* No userspace support. */ + dm->dc->debug.disable_tri_buf = true; + return 0; fail: kfree(aencoder); -- 2.20.1