Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751598AbdG0Imm (ORCPT ); Thu, 27 Jul 2017 04:42:42 -0400 Received: from regular1.263xmail.com ([211.150.99.140]:57236 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750946AbdG0Imk (ORCPT ); Thu, 27 Jul 2017 04:42:40 -0400 X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-RL-SENDER: jeffy.chen@rock-chips.com X-FST-TO: mark.yao@rock-chips.com X-SENDER-IP: 103.29.142.67 X-LOGIN-NAME: jeffy.chen@rock-chips.com X-UNIQUE-TAG: <5d876c8cf85aaa9fdbccced04f0cbf0b> X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 Message-ID: <5979A77C.6000304@rock-chips.com> Date: Thu, 27 Jul 2017 16:42:36 +0800 From: jeffy User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:19.0) Gecko/20130126 Thunderbird/19.0 MIME-Version: 1.0 To: Mark yao , David Airlie , Heiko Stuebner CC: linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: Re: [v6,7/7] drm/rockchip: vop: rk3328: fix overlay abnormal References: <1501049980-6239-1-git-send-email-mark.yao@rock-chips.com> In-Reply-To: <1501049980-6239-1-git-send-email-mark.yao@rock-chips.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 602 Lines: 19 Hi mark, On 07/26/2017 02:19 PM, Mark yao wrote: > It's a hardware bug, all window's overlay channel reset > value is same, hardware overlay would be die. > > so we must initial difference id for each overlay channel. > > The Channel register is supported on all vop will full design. > Following is the details for this register > VOP_WIN0_CTRL2 > bit[7:4] win_rid_win0_cbr > axi read id of win0 cbr channel > bit[3:0] win_rid_win0_yrgb > axi read id of win0 yrgb channel > > Signed-off-by: Mark Yao Reviewed-by: Jeffy Chen