From patchwork Fri Jul 22 01:42:30 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yakir Yang X-Patchwork-Id: 9242795 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 114D6602F0 for ; Fri, 22 Jul 2016 01:45:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 024E627A98 for ; Fri, 22 Jul 2016 01:45:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EB0F127F54; Fri, 22 Jul 2016 01:45:58 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A065427A98 for ; Fri, 22 Jul 2016 01:45:58 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2794E6E0EC; Fri, 22 Jul 2016 01:45:48 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from lucky1.263xmail.com (lucky1.263xmail.com [211.157.147.135]) by gabe.freedesktop.org (Postfix) with ESMTPS id 505166E0EC for ; Fri, 22 Jul 2016 01:45:43 +0000 (UTC) Received: from ykk?rock-chips.com (unknown [192.168.167.236]) by lucky1.263xmail.com (Postfix) with SMTP id 13A2D834; Fri, 22 Jul 2016 09:45:41 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 1 X-MAIL-DELIVERY: 0 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id 73A2E37C7; Fri, 22 Jul 2016 09:43:20 +0800 (CST) X-RL-SENDER: ykk@rock-chips.com X-FST-TO: yzq@rock-chips.com X-SENDER-IP: 103.29.142.67 X-LOGIN-NAME: ykk@rock-chips.com X-UNIQUE-TAG: <64a4b1fab9fbe266a2317694e12d89ca> X-ATTACHMENT-NUM: 0 X-SENDER: ykk@rock-chips.com X-DNS-TYPE: 0 Received: from localhost.localdomain (unknown [103.29.142.67]) by smtp.263.net (Postfix) whith ESMTP id 224375Z9OWJ; Fri, 22 Jul 2016 09:45:27 +0800 (CST) From: Yakir Yang To: Mark Yao , Inki Dae , Thierry Reding , Heiko Stuebner Subject: [PATCH v2 1/3] drm/panel: simple-panel: add the delay timing for Sharp LQ123P1JX31 Date: Fri, 22 Jul 2016 09:42:30 +0800 Message-Id: <1469151750-7130-1-git-send-email-ykk@rock-chips.com> X-Mailer: git-send-email 1.9.1 Cc: Krzysztof Kozlowski , linux-samsung-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, Jingoo Han , emil.l.velikov@gmail.com, dianders@chromium.org, dri-devel@lists.freedesktop.org, Tomasz Figa , Javier Martinez Canillas , daniel.vetter@ffwll.ch, =?UTF-8?q?St=C3=A9phane=20Marchesin?= , linux-kernel@vger.kernel.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP According to page 16 of Sharp LQ123P1JX31 datasheet, we need to add the missing delay timing. Panel prepare time should be t1 (0.5ms~10ms) plus t3 (0ms~100ms), and panel enable time should equal to t7 (0ms~50ms), and panel unprepare time should be t11 (1ms~50ms) plus t12 (500ms~). Signed-off-by: Yakir Yang Reviewed-by: Sean Paul --- Changes in v2: - Add the reviewed tag from Sean. drivers/gpu/drm/panel/panel-simple.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 85143d1..f178998 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -1384,6 +1384,11 @@ static const struct panel_desc sharp_lq123p1jx31 = { .width = 259, .height = 173, }, + .delay = { + .prepare = 110, + .enable = 50, + .unprepare = 550, + }, }; static const struct drm_display_mode shelly_sca07010_bfn_lnn_mode = {