From patchwork Sun Sep 2 07:26:33 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: 10585211 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 2EB95112B for ; Sun, 2 Sep 2018 16:27:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1E7D728E05 for ; Sun, 2 Sep 2018 16:27:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 10EA9292A8; Sun, 2 Sep 2018 16:27:51 +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 C14D728E05 for ; Sun, 2 Sep 2018 16:27:50 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1E73D6E164; Sun, 2 Sep 2018 16:26:56 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail.siol.net (mailoutvs6.siol.net [185.57.226.197]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3218C6E161 for ; Sun, 2 Sep 2018 07:34:57 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mail.siol.net (Postfix) with ESMTP id DC77F520D00; Sun, 2 Sep 2018 09:27:42 +0200 (CEST) X-Virus-Scanned: amavisd-new at psrvmta10.zcs-production.pri Received: from mail.siol.net ([127.0.0.1]) by localhost (psrvmta10.zcs-production.pri [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id KjFF3qJfGKUF; Sun, 2 Sep 2018 09:27:42 +0200 (CEST) Received: from mail.siol.net (localhost [127.0.0.1]) by mail.siol.net (Postfix) with ESMTPS id 66FA9520CDE; Sun, 2 Sep 2018 09:27:42 +0200 (CEST) Received: from localhost.localdomain (unknown [194.152.15.144]) (Authenticated sender: 031275009) by mail.siol.net (Postfix) with ESMTPSA id D57FD520CF4; Sun, 2 Sep 2018 09:27:39 +0200 (CEST) From: Jernej Skrabec To: robh+dt@kernel.org, maxime.ripard@bootlin.com, wens@csie.org Subject: [PATCH 17/27] drm/sun4i: dw-hdmi: Add quirk for setting TMDS clock Date: Sun, 2 Sep 2018 09:26:33 +0200 Message-Id: <20180902072643.4917-18-jernej.skrabec@siol.net> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180902072643.4917-1-jernej.skrabec@siol.net> References: <20180902072643.4917-1-jernej.skrabec@siol.net> X-Mailman-Approved-At: Sun, 02 Sep 2018 16:26:53 +0000 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, airlied@linux.ie, devicetree@vger.kernel.org, sboyd@kernel.org, mturquette@baylibre.com, jernej.skrabec@siol.net, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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. Signed-off-by: Jernej Skrabec Reviewed-by: Chen-Yu Tsai --- drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c | 5 ++++- drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h | 1 + 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c index a5020fe8bd69..16a0c7a88ea8 100644 --- a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c +++ b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c @@ -153,7 +153,9 @@ static int sun8i_dw_hdmi_bind(struct device *dev, struct device *master, goto err_disable_clk_tmds; } - drm_encoder_helper_add(encoder, &sun8i_dw_hdmi_encoder_helper_funcs); + if (hdmi->quirks->set_rate) + drm_encoder_helper_add(encoder, + &sun8i_dw_hdmi_encoder_helper_funcs); drm_encoder_init(drm, encoder, &sun8i_dw_hdmi_encoder_funcs, DRM_MODE_ENCODER_TMDS, NULL); @@ -220,6 +222,7 @@ 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 b718c47e00be..94cf13d09abe 100644 --- a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h +++ b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h @@ -172,6 +172,7 @@ 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); + bool set_rate; }; struct sun8i_dw_hdmi {