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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 3D472C4332D for ; Wed, 23 Dec 2020 03:06:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 04A63207B5 for ; Wed, 23 Dec 2020 03:06:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731773AbgLWDF6 (ORCPT ); Tue, 22 Dec 2020 22:05:58 -0500 Received: from mail.kernel.org ([198.145.29.99]:46436 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728507AbgLWCTI (ORCPT ); Tue, 22 Dec 2020 21:19:08 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 76E8322AAF; Wed, 23 Dec 2020 02:18:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1608689901; bh=k+KP1tuGcuhlVuyY6CcMcv0749L9TvC6cHzejnZqKPE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Wh5Ri9XgweVubyXZJ5HqCVqWk2n7L8zMSfHEqBf+fGUyqXAxAlDaBc0Oe8JEH25xG SfGveqxPlrqos2LyC9lW5xo/FVS16cPyHV5QiDExhyQrq/IITXEG5Oy54XcrnbEEVE XaSRT4juz1br3UE0+q0MtRJfE4LmvMLfnX449BXEJfE3kmw4jbs2mn7p7qiongg4Fz U00WpRml9aMzz0P2BU5jTWX46fzpPtYWBWHQw00yp7jNHLWe2WAhuZkyhVqFDwfG+J 5duht/47wARel9elprbGT0RnlrnsIC581cd/IkvGQCi1U5dTPGECLYZThNeO/UZWzo GYJpBmqc7eqdQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Bas Nieuwenhuizen , Alex Deucher , Nicholas Kazlauskas , Sasha Levin , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 5.4 006/130] drm/amd/display: Do not silently accept DCC for multiplane formats. Date: Tue, 22 Dec 2020 21:16:09 -0500 Message-Id: <20201223021813.2791612-6-sashal@kernel.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201223021813.2791612-1-sashal@kernel.org> References: <20201223021813.2791612-1-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: Bas Nieuwenhuizen [ Upstream commit b35ce7b364ec80b54f48a8fdf9fb74667774d2da ] Silently accepting it could result in corruption. Signed-off-by: Bas Nieuwenhuizen Reviewed-by: Alex Deucher Reviewed-by: Nicholas Kazlauskas Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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 d2dd387c95d86..ce70c42a2c3ec 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -2734,7 +2734,7 @@ fill_plane_dcc_attributes(struct amdgpu_device *adev, return 0; if (format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN) - return 0; + return -EINVAL; if (!dc->cap_funcs.get_dcc_compression_cap) return -EINVAL; -- 2.27.0