From patchwork Tue Aug 1 13:12:59 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Icenowy Zheng X-Patchwork-Id: 9874637 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 AAD5560361 for ; Tue, 1 Aug 2017 13:40:55 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 96C7A2837E for ; Tue, 1 Aug 2017 13:40:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8B6E728670; Tue, 1 Aug 2017 13:40:55 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 862502837E for ; Tue, 1 Aug 2017 13:40:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752053AbdHANPV (ORCPT ); Tue, 1 Aug 2017 09:15:21 -0400 Received: from hermes.aosc.io ([199.195.250.187]:40269 "EHLO hermes.aosc.io" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751677AbdHANO2 (ORCPT ); Tue, 1 Aug 2017 09:14:28 -0400 Received: from localhost (localhost [127.0.0.1]) (Authenticated sender: icenowy@aosc.io) by hermes.aosc.io (Postfix) with ESMTPSA id 1262141C46; Tue, 1 Aug 2017 13:14:23 +0000 (UTC) From: Icenowy Zheng To: Maxime Ripard , Rob Herring , Chen-Yu Tsai , Jernej Skrabec Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-sunxi@googlegroups.com Subject: [PATCH 08/13] [NOT FOR REVIEW NOW] drm: bridge: Enable polling hpd event in dw_hdmi Date: Tue, 1 Aug 2017 21:12:59 +0800 Message-Id: <20170801131304.7741-9-icenowy@aosc.io> In-Reply-To: <20170801131304.7741-1-icenowy@aosc.io> References: <20170801131304.7741-1-icenowy@aosc.io> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Jernej Skrabec Some custom phys don't support hpd interrupts. Add support for polling such events. Signed-off-by: Jernej Skrabec --- drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c index 60faf2d2bc6b..6c6466c6297c 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c @@ -1942,7 +1942,11 @@ static int dw_hdmi_bridge_attach(struct drm_bridge *bridge) struct drm_connector *connector = &hdmi->connector; connector->interlace_allowed = 1; - connector->polled = DRM_CONNECTOR_POLL_HPD; + if (hdmi->phy.ops->setup_hpd) + connector->polled = DRM_CONNECTOR_POLL_HPD; + else + connector->polled = DRM_CONNECTOR_POLL_CONNECT | + DRM_CONNECTOR_POLL_DISCONNECT; drm_connector_helper_add(connector, &dw_hdmi_connector_helper_funcs);