From patchwork Fri Mar 9 22:23:11 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: 10273767 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 265FB605CE for ; Sat, 10 Mar 2018 16:55:15 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 14EA129173 for ; Sat, 10 Mar 2018 16:55:15 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 01E1F29285; Sat, 10 Mar 2018 16:55:14 +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, UNPARSEABLE_RELAY 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 85FC029173 for ; Sat, 10 Mar 2018 16:55:14 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9B8F76E1EC; Sat, 10 Mar 2018 16:52:52 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6A0776EC4B for ; Fri, 9 Mar 2018 22:24:34 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: eballetbo) with ESMTPSA id 3FE1E27561A 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 v5 20/36] drm/bridge: analogix_dp: Don't use ANALOGIX_DP_PLL_CTL to control pll Date: Fri, 9 Mar 2018 23:23:11 +0100 Message-Id: <20180309222327.18689-21-enric.balletbo@collabora.com> X-Mailer: git-send-email 2.16.1 In-Reply-To: <20180309222327.18689-1-enric.balletbo@collabora.com> References: <20180309222327.18689-1-enric.balletbo@collabora.com> X-Mailman-Approved-At: Sat, 10 Mar 2018 16:51:59 +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: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Laurent.pinchart@ideasonboard.com, ykk@rock-chips.com, kernel@collabora.com, m.szyprowski@samsung.com, linux-samsung-soc@vger.kernel.org, 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 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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,