From patchwork Sun Nov 4 18:26:54 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Jernej_=C5=A0krabec?= X-Patchwork-Id: 10667059 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 382A315E9 for ; Sun, 4 Nov 2018 18:30:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 26D2029634 for ; Sun, 4 Nov 2018 18:30:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1B22229642; Sun, 4 Nov 2018 18:30:25 +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=-3.6 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_LOW autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B43BB29634 for ; Sun, 4 Nov 2018 18:30:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ica52PKFFlK4/VTfsrKZ7ctphCkuiqUlXvoFiTFgAsg=; b=DC2AdVccFH/hwC z/0De4TdzQkyyLK0gi7olgAjydTxHE98c7Qf1hs0tE2NJuXbG+9Uny1cl5vrydEmgnpVyAHAAPq9V yTQ1YbWSrui+crsxYqKB0V1b6ywEI6cO+o18WlF79rr8KYrg0/OqddrObIfOVmuq3xb3WafsCMDfa 1IR5ktC6pTwMs5t+bR9dnAfcyhY9fLHz9qADuWWL/u7qKbM4n2u1W1EP+Q89CVZEhkGTFsEtadyCw Dpf3NILE98w7tTLtHn3IZzYsCxsr6Ub/dCQQGqCf1HOFlmu33Q4cXMpurbsUyLVKz2aXWWaoKDqQn QbPOikDPkUpjrvw/65Gw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gJNAD-0004zc-Le; Sun, 04 Nov 2018 18:30:21 +0000 Received: from mailoutvs43.siol.net ([185.57.226.234] helo=mail.siol.net) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gJN8R-0001KS-EI for linux-arm-kernel@lists.infradead.org; Sun, 04 Nov 2018 18:29:07 +0000 Received: from localhost (localhost [127.0.0.1]) by mail.siol.net (Postfix) with ESMTP id 0E1AF5212AF; Sun, 4 Nov 2018 19:28:19 +0100 (CET) X-Virus-Scanned: amavisd-new at psrvmta11.zcs-production.pri Received: from mail.siol.net ([127.0.0.1]) by localhost (psrvmta11.zcs-production.pri [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id qEY29JUYDUWJ; Sun, 4 Nov 2018 19:28:18 +0100 (CET) Received: from mail.siol.net (localhost [127.0.0.1]) by mail.siol.net (Postfix) with ESMTPS id 8C85B52128D; Sun, 4 Nov 2018 19:28:18 +0100 (CET) Received: from localhost.localdomain (cpe1-8-82.cable.triera.net [213.161.8.82]) (Authenticated sender: 031275009) by mail.siol.net (Postfix) with ESMTPSA id E19DF5212CB; Sun, 4 Nov 2018 19:28:15 +0100 (CET) From: Jernej Skrabec To: maxime.ripard@bootlin.com, wens@csie.org Subject: [PATCH v3 17/28] drm/sun4i: dw-hdmi: Add quirk for setting TMDS clock Date: Sun, 4 Nov 2018 19:26:54 +0100 Message-Id: <20181104182705.18047-18-jernej.skrabec@siol.net> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181104182705.18047-1-jernej.skrabec@siol.net> References: <20181104182705.18047-1-jernej.skrabec@siol.net> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181104_102832_075053_18F78311 X-CRM114-Status: GOOD ( 14.64 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, architt@codeaurora.org, a.hajda@samsung.com, sboyd@kernel.org, mturquette@baylibre.com, jernej.skrabec@siol.net, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, airlied@linux.ie, linux-sunxi@googlegroups.com, robh+dt@kernel.org, Laurent.pinchart@ideasonboard.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP It turns out that H6 HDMI BSP kernel driver doesn't change TMDS rate at all. At this point it is not clear whether it is just not necessary or it would cause some kind of issues. Add a quirk for it. Acked-by: Maxime Ripard Reviewed-by: Chen-Yu Tsai Signed-off-by: Jernej Skrabec --- drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c | 4 +++- drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h | 1 + 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c index ec122136ee9d..99b878e380e1 100644 --- a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c +++ b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c @@ -21,7 +21,8 @@ static void sun8i_dw_hdmi_encoder_mode_set(struct drm_encoder *encoder, { struct sun8i_dw_hdmi *hdmi = encoder_to_sun8i_dw_hdmi(encoder); - clk_set_rate(hdmi->clk_tmds, mode->crtc_clock * 1000); + if (hdmi->quirks->set_rate) + clk_set_rate(hdmi->clk_tmds, mode->crtc_clock * 1000); } static const struct drm_encoder_helper_funcs @@ -235,6 +236,7 @@ static int sun8i_dw_hdmi_remove(struct platform_device *pdev) static const struct sun8i_dw_hdmi_quirks sun8i_a83t_quirks = { .mode_valid = sun8i_dw_hdmi_mode_valid_a83t, + .set_rate = true, }; static const struct of_device_id sun8i_dw_hdmi_dt_ids[] = { diff --git a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h index a645b8bc9f58..49c9e80c46ea 100644 --- a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h +++ b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h @@ -173,6 +173,7 @@ struct sun8i_hdmi_phy { struct sun8i_dw_hdmi_quirks { enum drm_mode_status (*mode_valid)(struct drm_connector *connector, const struct drm_display_mode *mode); + unsigned int set_rate : 1; }; struct sun8i_dw_hdmi {