From patchwork Sat May 27 16:09:26 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 9751953 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 CE15660249 for ; Sat, 27 May 2017 16:10:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C09EA2833B for ; Sat, 27 May 2017 16:10:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B583628380; Sat, 27 May 2017 16:10:05 +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]) (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 823CC2833B for ; Sat, 27 May 2017 16:10:05 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 22AD36E080; Sat, 27 May 2017 16:10:00 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail.free-electrons.com (mail.free-electrons.com [62.4.15.54]) by gabe.freedesktop.org (Postfix) with ESMTP id 2C5A86E077 for ; Sat, 27 May 2017 16:09:54 +0000 (UTC) Received: by mail.free-electrons.com (Postfix, from userid 110) id 039B120E87; Sat, 27 May 2017 18:09:53 +0200 (CEST) Received: from localhost (LFbn-1-2032-134.w90-76.abo.wanadoo.fr [90.76.101.134]) by mail.free-electrons.com (Postfix) with ESMTPSA id C5FE120C33; Sat, 27 May 2017 18:09:42 +0200 (CEST) From: Maxime Ripard To: Chen-Yu Tsai , Maxime Ripard Subject: [PATCH v4 01/11] drm/sun4i: tcon: Add channel debug Date: Sat, 27 May 2017 18:09:26 +0200 Message-Id: X-Mailer: git-send-email 2.9.4 In-Reply-To: References: In-Reply-To: References: Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Hans Verkuil , linux-sunxi@googlegroups.com, Daniel Vetter , 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-Virus-Scanned: ClamAV using ClamSMTP While all functions have debug logs, the channel enable and disable are not logged. Make sure this is the case. Acked-by: Chen-Yu Tsai Signed-off-by: Maxime Ripard --- drivers/gpu/drm/sun4i/sun4i_tcon.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index f44a37a5993d..b79d3a277fbf 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -55,6 +55,8 @@ EXPORT_SYMBOL(sun4i_tcon_enable); void sun4i_tcon_channel_disable(struct sun4i_tcon *tcon, int channel) { + DRM_DEBUG_DRIVER("Disabling TCON channel %d\n", channel); + /* Disable the TCON's channel */ if (channel == 0) { regmap_update_bits(tcon->regs, SUN4I_TCON0_CTL_REG, @@ -72,6 +74,8 @@ EXPORT_SYMBOL(sun4i_tcon_channel_disable); void sun4i_tcon_channel_enable(struct sun4i_tcon *tcon, int channel) { + DRM_DEBUG_DRIVER("Enabling TCON channel %d\n", channel); + /* Enable the TCON's channel */ if (channel == 0) { regmap_update_bits(tcon->regs, SUN4I_TCON0_CTL_REG,