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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C6AA2C4332F for ; Mon, 4 Oct 2021 13:35:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A95C9611C7 for ; Mon, 4 Oct 2021 13:35:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238223AbhJDNhe (ORCPT ); Mon, 4 Oct 2021 09:37:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:47632 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237925AbhJDNf3 (ORCPT ); Mon, 4 Oct 2021 09:35:29 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 6AB0963238; Mon, 4 Oct 2021 13:16:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1633353363; bh=bX9+0K4FaEhhgzXzbjcY3vmFtTRQQnhZ8+ABCRCoxsk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qHzYT/a5IkkrhnGV/1Z+489xv2vQE60sRacOrTjXXDl1utBRdplqsffMMfl2rNzty BICP2S7Y43CD6eTVYPItXeLjxgEGj+y+3ZJoPi2ys54ZK5bo/BJeTHxpxnDUfBe1CC bMPqjz7OgDlgdjLbGEhqH0HDE/5WbcC8OPSRMgnk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Roman Li , Anson Jacob , Josip Pavic , Daniel Wheeler , Alex Deucher Subject: [PATCH 5.14 067/172] drm/amd/display: initialize backlight_ramping_override to false Date: Mon, 4 Oct 2021 14:51:57 +0200 Message-Id: <20211004125047.154908306@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211004125044.945314266@linuxfoundation.org> References: <20211004125044.945314266@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Josip Pavic commit 467a51b69d0828887fb1b6719159a6b16da688f8 upstream. [Why] Stack variable params.backlight_ramping_override is uninitialized, so it contains junk data [How] Initialize the variable to false Reviewed-by: Roman Li Acked-by: Anson Jacob Signed-off-by: Josip Pavic Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1724,6 +1724,7 @@ static int dm_late_init(void *handle) linear_lut[i] = 0xFFFF * i / 15; params.set = 0; + params.backlight_ramping_override = false; params.backlight_ramping_start = 0xCCCC; params.backlight_ramping_reduction = 0xCCCCCCCC; params.backlight_lut_array_size = 16;