From patchwork Thu Apr 7 04:15:29 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yakir Yang X-Patchwork-Id: 8768521 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 6A061C0553 for ; Thu, 7 Apr 2016 04:15:40 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 77310201CD for ; Thu, 7 Apr 2016 04:15:39 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 9B89820172 for ; Thu, 7 Apr 2016 04:15:38 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 557D06E059; Thu, 7 Apr 2016 04:15:37 +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 [211.157.147.133]) by gabe.freedesktop.org (Postfix) with ESMTP id 9EA076E059 for ; Thu, 7 Apr 2016 04:15:36 +0000 (UTC) Received: from ykk?rock-chips.com (unknown [192.168.167.153]) by lucky1.263xmail.com (Postfix) with SMTP id 6167F53EDD; Thu, 7 Apr 2016 12:15:33 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 1 X-MAIL-DELIVERY: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 X-KSVirus-check: 0 Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id D7A7B274F7; Thu, 7 Apr 2016 12:15:28 +0800 (CST) X-RL-SENDER: ykk@rock-chips.com X-FST-TO: airlied@linux.ie X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: ykk@rock-chips.com X-UNIQUE-TAG: <746dcecc23142bba5f500d233131d058> X-ATTACHMENT-NUM: 0 X-SENDER: ykk@rock-chips.com X-DNS-TYPE: 0 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (Postfix) whith ESMTP id 15587AQA91V; Thu, 07 Apr 2016 12:15:30 +0800 (CST) From: Yakir Yang To: David Airlie , Mark Yao , Heiko Stuebner Subject: [PATCH] drm: bridge: analogix/dp: fix no drm hpd event when panel plug in Date: Thu, 7 Apr 2016 12:15:29 +0800 Message-Id: <1460002529-30719-1-git-send-email-ykk@rock-chips.com> X-Mailer: git-send-email 1.9.1 Cc: devicetree@vger.kernel.org, Russell King , Pawel Moll , Ian Campbell , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, Rob Herring , Kumar Gala , linux-arm-kernel@lists.infradead.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-Spam-Status: No, score=-5.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The enum value of DP_IRQ_TYPE_HP_CABLE_IN is zero, but driver only send drm hp event when the irq_type and the enum value is true. if (irq_type & DP_IRQ_TYPE_HP_CABLE_IN || ...) drm_helper_hpd_irq_event(dp->drm_dev); So there would no drm hpd event when cable plug in, to fix that just need to assign all hotplug enum with no-zero values. Reported-by: Dan Carpenter Signed-off-by: Yakir Yang --- drivers/gpu/drm/bridge/analogix/analogix_dp_core.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h index f09275d..b456380 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h @@ -127,10 +127,10 @@ enum analog_power_block { }; enum dp_irq_type { - DP_IRQ_TYPE_HP_CABLE_IN, - DP_IRQ_TYPE_HP_CABLE_OUT, - DP_IRQ_TYPE_HP_CHANGE, - DP_IRQ_TYPE_UNKNOWN, + DP_IRQ_TYPE_HP_CABLE_IN = BIT(0), + DP_IRQ_TYPE_HP_CABLE_OUT = BIT(1), + DP_IRQ_TYPE_HP_CHANGE = BIT(2), + DP_IRQ_TYPE_UNKNOWN = BIT(3), }; struct video_info {