From patchwork Thu Apr 5 09:49:44 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Enric Balletbo i Serra X-Patchwork-Id: 10324293 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 2D3726032A for ; Thu, 5 Apr 2018 10:04:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1C35128C3E for ; Thu, 5 Apr 2018 10:04:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0FEC229148; Thu, 5 Apr 2018 10:04:51 +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=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,UNPARSEABLE_RELAY autolearn=unavailable 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 B8ADC28C3E for ; Thu, 5 Apr 2018 10:04:50 +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:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: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=ZjvS6GK5lIGcBBnzoPVCplD3DtA/Y1v5ART7F9Tfqqg=; b=USJE3uutvT/5kJD/nX4b0kjihr 9IQz3J9RZPs0vKQ5zizNNTHU0PqQNzCxEaxBK1J5NYiEpxGVMtHVRk3WFe4KSDp1NmKEHWnqwixht ReGja44AGhgG2NiQF6+8/293S+oByVS1z9lmbexYUcThjknPOp8o807Tp3ZPVJ8N4cmJE6WLDWoya LHCiua3qykPyoWPLQvJIoU1c/y3DDTAUQRQ7RWRa6MPrzQLyHXPmiF5JWpWIG3qGKn2n20IZ7feRb 3o7X0EVNAydONBiRRy9iqfUfWrodWXZR/tNykVsakIhEoArS2rzauflNoFPgY9C6M5aARmz9GXBpA P3s4WWAQ==; 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 1f41l6-0000f9-Ii; Thu, 05 Apr 2018 10:04:44 +0000 Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1f41Xg-0007HG-Ng; Thu, 05 Apr 2018 09:50:57 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: eballetbo) with ESMTPSA id 3A29B27A650 From: Enric Balletbo i Serra To: architt@codeaurora.org, inki.dae@samsung.com, thierry.reding@gmail.com, hjc@rock-chips.com, seanpaul@chromium.org, airlied@linux.ie, tfiga@chromium.org, heiko@sntech.de Subject: [PATCH v6 14/30] drm/bridge: analogix_dp: Don't use ANALOGIX_DP_PLL_CTL to control pll Date: Thu, 5 Apr 2018 11:49:44 +0200 Message-Id: <20180405095000.9756-15-enric.balletbo@collabora.com> X-Mailer: git-send-email 2.16.3 In-Reply-To: <20180405095000.9756-1-enric.balletbo@collabora.com> References: <20180405095000.9756-1-enric.balletbo@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180405_025053_002072_E829E1AE X-CRM114-Status: UNSURE ( 9.39 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, a.hajda@samsung.com, Laurent.pinchart@ideasonboard.com, ykk@rock-chips.com, kernel@collabora.com, m.szyprowski@samsung.com, linux-samsung-soc@vger.kernel.org, jy0922.shim@samsung.com, rydberg@bitmath.org, krzk@kernel.org, linux-rockchip@lists.infradead.org, kgene@kernel.org, linux-input@vger.kernel.org, orjan.eide@arm.com, wxt@rock-chips.com, jeffy.chen@rock-chips.com, linux-arm-kernel@lists.infradead.org, mark.yao@rock-chips.com, wzz@rock-chips.com, hl@rock-chips.com, jingoohan1@gmail.com, sw0312.kim@samsung.com, dianders@chromium.org, kyungmin.park@samsung.com, Enric Balletbo i Serra , kuankuan.y@gmail.com, hshi@chromium.org MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: zain wang There is no register named ANALOGIX_DP_PLL_CTL in Rockchip edp phy reg list. We should use BIT_4 in ANALOGIX_DP_PD to control the pll power instead of ANALOGIX_DP_PLL_CTL. Cc: Douglas Anderson Signed-off-by: zain wang Signed-off-by: Sean Paul Signed-off-by: Thierry Escande Reviewed-by: Andrzej Hajda Signed-off-by: Enric Balletbo i Serra Tested-by: Marek Szyprowski Reviewed-by: Archit Taneja --- drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c | 20 ++++++++++++-------- 1 file changed, 12 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c index 7b7fd227e1f9..02ab1aaa9993 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c @@ -230,16 +230,20 @@ enum pll_status analogix_dp_get_pll_lock_status(struct analogix_dp_device *dp) void analogix_dp_set_pll_power_down(struct analogix_dp_device *dp, bool enable) { u32 reg; + u32 mask = DP_PLL_PD; + u32 pd_addr = ANALOGIX_DP_PLL_CTL; - if (enable) { - reg = readl(dp->reg_base + ANALOGIX_DP_PLL_CTL); - reg |= DP_PLL_PD; - writel(reg, dp->reg_base + ANALOGIX_DP_PLL_CTL); - } else { - reg = readl(dp->reg_base + ANALOGIX_DP_PLL_CTL); - reg &= ~DP_PLL_PD; - writel(reg, dp->reg_base + ANALOGIX_DP_PLL_CTL); + if (dp->plat_data && is_rockchip(dp->plat_data->dev_type)) { + pd_addr = ANALOGIX_DP_PD; + mask = RK_PLL_PD; } + + reg = readl(dp->reg_base + pd_addr); + if (enable) + reg |= mask; + else + reg &= ~mask; + writel(reg, dp->reg_base + pd_addr); } void analogix_dp_set_analog_power_down(struct analogix_dp_device *dp,