From patchwork Tue Mar 1 01:53:00 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Anholt X-Patchwork-Id: 8460841 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 95DD3C0553 for ; Tue, 1 Mar 2016 02:03:02 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C38392021F for ; Tue, 1 Mar 2016 02:03:01 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id E7E0D201FE for ; Tue, 1 Mar 2016 02:03:00 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DE4636E0DD; Tue, 1 Mar 2016 02:02:57 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from anholt.net (anholt.net [50.246.234.109]) by gabe.freedesktop.org (Postfix) with ESMTP id 596C06E400 for ; Tue, 1 Mar 2016 02:02:55 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by anholt.net (Postfix) with ESMTP id 5D13F2C9C06B; Mon, 29 Feb 2016 17:53:17 -0800 (PST) X-Virus-Scanned: Debian amavisd-new at anholt.net Received: from anholt.net ([127.0.0.1]) by localhost (kingsolver.anholt.net [127.0.0.1]) (amavisd-new, port 10024) with LMTP id JfZg5h1LJTTR; Mon, 29 Feb 2016 17:53:16 -0800 (PST) Received: from eliezer.anholt.net (localhost [127.0.0.1]) by anholt.net (Postfix) with ESMTP id 771242C9C06F; Mon, 29 Feb 2016 17:53:16 -0800 (PST) Received: by eliezer.anholt.net (Postfix, from userid 1000) id 2DB58F001C4; Mon, 29 Feb 2016 17:53:01 -0800 (PST) From: Eric Anholt To: dri-devel@lists.freedesktop.org Subject: [PATCH 1/2] drm/vc4: Let gpiolib know that we're OK with sleeping for HPD. Date: Mon, 29 Feb 2016 17:53:00 -0800 Message-Id: <1456797181-23528-2-git-send-email-eric@anholt.net> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1456797181-23528-1-git-send-email-eric@anholt.net> References: <1456797181-23528-1-git-send-email-eric@anholt.net> Cc: 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-Spam-Status: No, score=-4.2 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 Fixes an error thrown every few seconds when we poll HPD when it's on a I2C to GPIO expander. Signed-off-by: Eric Anholt --- drivers/gpu/drm/vc4/vc4_hdmi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index c69c046..709ed57 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -165,7 +165,7 @@ vc4_hdmi_connector_detect(struct drm_connector *connector, bool force) struct vc4_dev *vc4 = to_vc4_dev(dev); if (vc4->hdmi->hpd_gpio) { - if (gpio_get_value(vc4->hdmi->hpd_gpio)) + if (gpio_get_value_cansleep(vc4->hdmi->hpd_gpio)) return connector_status_connected; else return connector_status_disconnected;