From patchwork Thu Aug 15 00:48:48 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brian Masney X-Patchwork-Id: 11095299 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B3FC31399 for ; Thu, 15 Aug 2019 08:37:34 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A2D3328842 for ; Thu, 15 Aug 2019 08:37:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 95AFA28872; Thu, 15 Aug 2019 08:37:34 +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=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 581AE28842 for ; Thu, 15 Aug 2019 08:37:34 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C64C36E8F1; Thu, 15 Aug 2019 08:35:00 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from onstation.org (onstation.org [52.200.56.107]) by gabe.freedesktop.org (Postfix) with ESMTPS id 609506E886; Thu, 15 Aug 2019 00:49:15 +0000 (UTC) Received: from localhost.localdomain (c-98-239-145-235.hsd1.wv.comcast.net [98.239.145.235]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: masneyb) by onstation.org (Postfix) with ESMTPSA id 1D6D03EA1D; Thu, 15 Aug 2019 00:49:14 +0000 (UTC) From: Brian Masney To: bjorn.andersson@linaro.org, robh+dt@kernel.org, agross@kernel.org, a.hajda@samsung.com, narmstrong@baylibre.com, robdclark@gmail.com, sean@poorly.run Subject: [PATCH 05/11] drm/bridge: analogix-anx78xx: correct value of TX_P0 Date: Wed, 14 Aug 2019 20:48:48 -0400 Message-Id: <20190815004854.19860-6-masneyb@onstation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190815004854.19860-1-masneyb@onstation.org> References: <20190815004854.19860-1-masneyb@onstation.org> MIME-Version: 1.0 X-Mailman-Approved-At: Thu, 15 Aug 2019 08:34:58 +0000 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=onstation.org; s=default; t=1565830154; bh=vvUbQvnJ/4OGyTU3jR+k5h+lF40i8YqgCaHr7dOl1Qg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GNUjU00qmOaQpH/H6nGA9HmdDwtETr0KGIReNXp+26ch2MMd1z4kyfQvyaMbZt+HT xecw9TYCY+UOayRIlV9u0VzL3URggiPjeSxlavZeF0NQM+UJ3yXYsIJO+ZD9DOLJ5d AYCIS3i/+uvfkd3WekVOviCLXubzK8/+7Khmrp0Y= X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, jernej.skrabec@siol.net, jonas@kwiboo.se, airlied@linux.ie, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Laurent.pinchart@ideasonboard.com, enric.balletbo@collabora.com, freedreno@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP When attempting to configure this driver on a Nexus 5 phone (msm8974), setting up the dummy i2c bus for TX_P0 would fail due to an -EBUSY error. The downstream MSM kernel sources [1] shows that the proper value for TX_P0 is 0x78, not 0x70, so correct the value to allow device probing to succeed. [1] https://github.com/AICP/kernel_lge_hammerhead/blob/n7.1/drivers/video/slimport/slimport_tx_reg.h Signed-off-by: Brian Masney --- drivers/gpu/drm/bridge/analogix-anx78xx.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/analogix-anx78xx.h b/drivers/gpu/drm/bridge/analogix-anx78xx.h index 25e063bcecbc..bc511fc605c9 100644 --- a/drivers/gpu/drm/bridge/analogix-anx78xx.h +++ b/drivers/gpu/drm/bridge/analogix-anx78xx.h @@ -6,7 +6,7 @@ #ifndef __ANX78xx_H #define __ANX78xx_H -#define TX_P0 0x70 +#define TX_P0 0x78 #define TX_P1 0x7a #define TX_P2 0x72