From patchwork Fri Dec 6 22:03:41 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Ciocaltea X-Patchwork-Id: 13897836 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 22351E7717B for ; Fri, 6 Dec 2024 22:05:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=EBGOdW4oTTCa1JclPp8xkjljvgMUCVt9VuA0WKX1NwQ=; b=WI3S9NiTlGbSJIpdRkGHAC6u4n xslSA2cFtcTI4SdcdEWconHRh4x4a5Nx/4ItD2qfzZK1lpKjpSjXXMYlL3ApJ0tiKQi9mzrxOfo6N 9YhflIXPtdpFVQEgNVQk2kq14+GvBzyFsDOJRgUFJjxYgwMxnMm+LRPNkRUmOJHvL9e7ECN+mR0Zl jN6FEyf/rHTKv6Wdfjp6PBlAo+r4VTaVRHmNnDN7Ah35As0dMMzFMl0jMCH03BX2wwdF5GBAES9/K MM49uk+dS7BdkwNK0qy1p+8Ic2qo6nNOnyG2ahuR0jrCoNBg6Wxfmg5F/FIYOlHr+yQTyfig2bSfI lukNQBSg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tJgRb-00000002qwv-2xQi; Fri, 06 Dec 2024 22:05:03 +0000 Received: from bali.collaboradmins.com ([148.251.105.195]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tJgQY-00000002qgd-3iZy; Fri, 06 Dec 2024 22:04:00 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1733522637; bh=ocDDbVeLdHpMPiMcDE70Fk3emF/id8nLMdcCqc5xz28=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=bBha6SS8RvYjJUKGyMU5idpglImf7IY01Mf33R5oAsYv8afU9xum3uaJDDgLmHmZe oK5o1cYoDpJN2eQgC1ee3PIY3iekV8nniKrAla6srAwkEEFIqanMYI5xjHtA6KH7x4 o4c+FGnj6KxVLzNjl/pPKOuqwudz0akvZ7MrcWlWnZGFpyipC1eDkH8Xm00iaeSLq2 9eSFzN7Gxe7mLNw72DReoM5slGcHZ8NRBfsXg4trPppJ4Lmc0M5QAM769aeLeQbNlK fkfF/VY+7ITVaSvFkJzUVzU5xP8jLQ1wnv35dta5tTBDd0KGLrY7KsBAOS29hNRGvV 1+BK8RIROqKYw== Received: from localhost (unknown [188.27.48.199]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: cristicc) by bali.collaboradmins.com (Postfix) with ESMTPSA id 3CB1B17E3807; Fri, 6 Dec 2024 23:03:57 +0100 (CET) From: Cristian Ciocaltea Date: Sat, 07 Dec 2024 00:03:41 +0200 Subject: [PATCH 1/4] phy: Add HDMI configuration options MIME-Version: 1.0 Message-Id: <20241207-phy-sam-hdptx-bpc-v1-1-03c2e4d6d797@collabora.com> References: <20241207-phy-sam-hdptx-bpc-v1-0-03c2e4d6d797@collabora.com> In-Reply-To: <20241207-phy-sam-hdptx-bpc-v1-0-03c2e4d6d797@collabora.com> To: Vinod Koul , Kishon Vijay Abraham I , Heiko Stuebner Cc: Sandor Yu , Dmitry Baryshkov , Maxime Ripard , kernel@collabora.com, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org X-Mailer: b4 0.14.2 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241206_140359_075178_12C7D6A0 X-CRM114-Status: GOOD ( 14.44 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Sandor Yu Allow HDMI PHYs to be configured through the generic functions through a custom structure added to the generic union. The parameters added here are based on HDMI PHY implementation practices. The current set of parameters should cover the potential users. Signed-off-by: Sandor Yu Reviewed-by: Dmitry Baryshkov Reviewed-by: Maxime Ripard Link: https://lore.kernel.org/r/43757beec6cd418fc17252283de38009d531c7c7.1732627815.git.Sandor.yu@nxp.com Signed-off-by: Cristian Ciocaltea --- include/linux/phy/phy-hdmi.h | 19 +++++++++++++++++++ include/linux/phy/phy.h | 7 ++++++- 2 files changed, 25 insertions(+), 1 deletion(-) diff --git a/include/linux/phy/phy-hdmi.h b/include/linux/phy/phy-hdmi.h new file mode 100644 index 0000000000000000000000000000000000000000..6a696922bc7f29af63d88646701b2c0fcee5c885 --- /dev/null +++ b/include/linux/phy/phy-hdmi.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright 2022,2024 NXP + */ + +#ifndef __PHY_HDMI_H_ +#define __PHY_HDMI_H_ + +/** + * struct phy_configure_opts_hdmi - HDMI configuration set + * @tmds_char_rate: HDMI TMDS Character Rate in Hertz. + * + * This structure is used to represent the configuration state of a HDMI phy. + */ +struct phy_configure_opts_hdmi { + unsigned long long tmds_char_rate; +}; + +#endif /* __PHY_HDMI_H_ */ diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h index 03cd5bae92d3f189d739c453fe4c160dd2a5063e..4ac486b101fe4023b8f2a84e907e65a0ff0a5ede 100644 --- a/include/linux/phy/phy.h +++ b/include/linux/phy/phy.h @@ -17,6 +17,7 @@ #include #include +#include #include #include @@ -42,7 +43,8 @@ enum phy_mode { PHY_MODE_MIPI_DPHY, PHY_MODE_SATA, PHY_MODE_LVDS, - PHY_MODE_DP + PHY_MODE_DP, + PHY_MODE_HDMI, }; enum phy_media { @@ -60,11 +62,14 @@ enum phy_media { * the DisplayPort protocol. * @lvds: Configuration set applicable for phys supporting * the LVDS phy mode. + * @hdmi: Configuration set applicable for phys supporting + * the HDMI phy mode. */ union phy_configure_opts { struct phy_configure_opts_mipi_dphy mipi_dphy; struct phy_configure_opts_dp dp; struct phy_configure_opts_lvds lvds; + struct phy_configure_opts_hdmi hdmi; }; /** From patchwork Fri Dec 6 22:03:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Ciocaltea X-Patchwork-Id: 13897838 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 29BA5E77179 for ; 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Fri, 6 Dec 2024 23:03:58 +0100 (CET) From: Cristian Ciocaltea Date: Sat, 07 Dec 2024 00:03:42 +0200 Subject: [PATCH 2/4] phy: hdmi: Add color depth configuration MIME-Version: 1.0 Message-Id: <20241207-phy-sam-hdptx-bpc-v1-2-03c2e4d6d797@collabora.com> References: <20241207-phy-sam-hdptx-bpc-v1-0-03c2e4d6d797@collabora.com> In-Reply-To: <20241207-phy-sam-hdptx-bpc-v1-0-03c2e4d6d797@collabora.com> To: Vinod Koul , Kishon Vijay Abraham I , Heiko Stuebner Cc: Sandor Yu , Dmitry Baryshkov , Maxime Ripard , kernel@collabora.com, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org X-Mailer: b4 0.14.2 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241206_140359_872097_7CEDB18E X-CRM114-Status: UNSURE ( 8.99 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Extend the HDMI configuration options to allow managing bits per color channel. This is required by some PHY drivers such as rockchip-samsung-hdptx. Signed-off-by: Cristian Ciocaltea --- include/linux/phy/phy-hdmi.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/phy/phy-hdmi.h b/include/linux/phy/phy-hdmi.h index 6a696922bc7f29af63d88646701b2c0fcee5c885..f0ec963c6e84f1b7728acafc824dff191c6b873d 100644 --- a/include/linux/phy/phy-hdmi.h +++ b/include/linux/phy/phy-hdmi.h @@ -9,11 +9,13 @@ /** * struct phy_configure_opts_hdmi - HDMI configuration set * @tmds_char_rate: HDMI TMDS Character Rate in Hertz. + * @bpc: Bits per color channel. * * This structure is used to represent the configuration state of a HDMI phy. */ struct phy_configure_opts_hdmi { unsigned long long tmds_char_rate; + unsigned int bpc; }; #endif /* __PHY_HDMI_H_ */ From patchwork Fri Dec 6 22:03:43 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Ciocaltea X-Patchwork-Id: 13897839 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 76F49E77179 for ; Fri, 6 Dec 2024 22:08:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=5ggFYVlAtBTFNftEAEPFIPikrXepmvCLQdo7YJGuXuk=; b=tn0E+jp89JVOXznugRZDZMg6W7 NmVDQE2H616XiSDx4W7+6hCOiYQAkYtK5oD8Emxp457h1eykpoxbyGn80dkhvs49qv0eLTF2KcXyk mos3FJGx8DUy3+6+jJxrXhg1vkvTvxQ2HEubPvpKHDKK20ezFwkdzC+3vum3HBHepNU8RmINlCaC9 yamObnd2el2fCJIyIt//jXIj7OZhcf+9C/MUCYvtgPJUH2fAk3FgEr3bR0MYv5zElJX7GhnFCUPkJ tDIxyRXeck5R5be1bMhtO55JrqOtvkOJMR4MWYDLo/R5zB0ORYgPNpodRfLWmQFgU1BHYfGxvNqlC bUxTRJPg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tJgUb-00000002rQ9-2E73; Fri, 06 Dec 2024 22:08:09 +0000 Received: from bali.collaboradmins.com ([148.251.105.195]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tJgQa-00000002qhI-3lDo; Fri, 06 Dec 2024 22:04:02 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1733522639; bh=BtZlCg7zrnpqKFSnMbzeaKu5nXKTQv2xjkndYTOjR+U=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=mdyMa7vKYn4H1ynchfOGmmeWUN0Qiylma9FHLI1kmvthIqklX9UqmkctFQYWvXkwg bgj9MYg9s+TBvmpedEL9FUXLZny7p1hOkdytDkOy0gbnkb02cPtX78nFO/DF8B0Vkf PdkzNFQaVrgnOAv7B7CC9/U+kHbuHutVs+8gxrJOsCMbVzAZlQkr98/x4OdtlcXpPP OfpD6CG7UboyXk/0WEQ7/3Dt3Wj2jpcPUsyX37SL0xrk0N4y27SMyj6cN2KyEKVUhJ zEfnAW36dpbb2ihKd3+mMkHTruTumi4CXC79ycBDV4GrrXyG8QJosvAtXcriN3jCQ1 Q8V3g9bB95aZw== Received: from localhost (unknown [188.27.48.199]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: cristicc) by bali.collaboradmins.com (Postfix) with ESMTPSA id DA7B817E380B; Fri, 6 Dec 2024 23:03:58 +0100 (CET) From: Cristian Ciocaltea Date: Sat, 07 Dec 2024 00:03:43 +0200 Subject: [PATCH 3/4] phy: rockchip: samsung-hdptx: Setup TMDS char rate via phy_configure_opts_hdmi MIME-Version: 1.0 Message-Id: <20241207-phy-sam-hdptx-bpc-v1-3-03c2e4d6d797@collabora.com> References: <20241207-phy-sam-hdptx-bpc-v1-0-03c2e4d6d797@collabora.com> In-Reply-To: <20241207-phy-sam-hdptx-bpc-v1-0-03c2e4d6d797@collabora.com> To: Vinod Koul , Kishon Vijay Abraham I , Heiko Stuebner Cc: Sandor Yu , Dmitry Baryshkov , Maxime Ripard , kernel@collabora.com, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org X-Mailer: b4 0.14.2 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241206_140401_085318_F8A6EAB3 X-CRM114-Status: GOOD ( 14.24 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The current workaround to setup the TMDS character rate relies on the unconventional usage of phy_set_bus_width(). Make use of the recently introduced HDMI PHY configuration API for this purpose. The workaround will be dropped as soon as the switch has been completed on both ends. Signed-off-by: Cristian Ciocaltea --- drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c | 42 ++++++++++++++++++----- 1 file changed, 33 insertions(+), 9 deletions(-) diff --git a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c index ceab9c71d3b53ae0b746a10c081fcfaa7d5c5ae7..eeadebdc476caa87aebbbd82f7102b62b22a0ea6 100644 --- a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c +++ b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c @@ -273,6 +273,7 @@ struct rk_hdptx_phy { struct clk_bulk_data *clks; int nr_clks; struct reset_control_bulk_data rsts[RST_MAX]; + unsigned long tmds_char_rate; /* clk provider */ struct clk_hw hw; @@ -902,18 +903,20 @@ static int rk_hdptx_phy_consumer_put(struct rk_hdptx_phy *hdptx, bool force) static int rk_hdptx_phy_power_on(struct phy *phy) { struct rk_hdptx_phy *hdptx = phy_get_drvdata(phy); - int bus_width = phy_get_bus_width(hdptx->phy); + unsigned int rate = hdptx->tmds_char_rate / 100; int ret; - /* - * FIXME: Temporary workaround to pass pixel_clk_rate - * from the HDMI bridge driver until phy_configure_opts_hdmi - * becomes available in the PHY API. - */ - unsigned int rate = bus_width & 0xfffffff; + if (rate == 0) { + /* + * FIXME: Temporary workaround to setup TMDS char rate + * from the RK HDMI bridge driver. + * Will be removed as soon the switch to the HDMI PHY + * configuration API has been completed on both ends. + */ + rate = phy_get_bus_width(hdptx->phy) & 0xfffffff; + } - dev_dbg(hdptx->dev, "%s bus_width=%x rate=%u\n", - __func__, bus_width, rate); + dev_dbg(hdptx->dev, "%s rate=%u\n", __func__, rate); ret = rk_hdptx_phy_consumer_get(hdptx, rate); if (ret) @@ -933,9 +936,20 @@ static int rk_hdptx_phy_power_off(struct phy *phy) return rk_hdptx_phy_consumer_put(hdptx, false); } +static int rk_hdptx_phy_configure(struct phy *phy, + union phy_configure_opts *opts) +{ + struct rk_hdptx_phy *hdptx = phy_get_drvdata(phy); + + hdptx->tmds_char_rate = opts->hdmi.tmds_char_rate; + + return 0; +} + static const struct phy_ops rk_hdptx_phy_ops = { .power_on = rk_hdptx_phy_power_on, .power_off = rk_hdptx_phy_power_off, + .configure = rk_hdptx_phy_configure, .owner = THIS_MODULE, }; @@ -991,6 +1005,16 @@ static int rk_hdptx_phy_clk_set_rate(struct clk_hw *hw, unsigned long rate, { struct rk_hdptx_phy *hdptx = to_rk_hdptx_phy(hw); + /* + * The TMDS char rate set via phy_configure(), if any, has + * precedence over the rate provided via clk_set_rate(). + */ + if (hdptx->tmds_char_rate && hdptx->tmds_char_rate != rate) { + dev_dbg(hdptx->dev, "Replaced clk_set_rate=%lu with tmds_char_rate=%lu\n", + rate, hdptx->tmds_char_rate); + rate = hdptx->tmds_char_rate; + } + return rk_hdptx_ropll_tmds_cmn_config(hdptx, rate / 100); } From patchwork Fri Dec 6 22:03:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Ciocaltea X-Patchwork-Id: 13897848 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 82170E77173 for ; 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Fri, 6 Dec 2024 23:03:59 +0100 (CET) From: Cristian Ciocaltea Date: Sat, 07 Dec 2024 00:03:44 +0200 Subject: [PATCH 4/4] phy: rockchip: samsung-hdptx: Add high color depth management MIME-Version: 1.0 Message-Id: <20241207-phy-sam-hdptx-bpc-v1-4-03c2e4d6d797@collabora.com> References: <20241207-phy-sam-hdptx-bpc-v1-0-03c2e4d6d797@collabora.com> In-Reply-To: <20241207-phy-sam-hdptx-bpc-v1-0-03c2e4d6d797@collabora.com> To: Vinod Koul , Kishon Vijay Abraham I , Heiko Stuebner Cc: Sandor Yu , Dmitry Baryshkov , Maxime Ripard , kernel@collabora.com, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org X-Mailer: b4 0.14.2 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241206_140402_329946_9E088B1A X-CRM114-Status: GOOD ( 10.18 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add support for 8-bit, 10-bit, 12-bit and 16-bit color depth setup. Signed-off-by: Cristian Ciocaltea --- drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c index eeadebdc476caa87aebbbd82f7102b62b22a0ea6..76c30c4ad6768679c3e36e3d0789e716afc0bc30 100644 --- a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c +++ b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c @@ -274,6 +274,7 @@ struct rk_hdptx_phy { int nr_clks; struct reset_control_bulk_data rsts[RST_MAX]; unsigned long tmds_char_rate; + unsigned int bpc; /* clk provider */ struct clk_hw hw; @@ -814,6 +815,9 @@ static int rk_hdptx_ropll_tmds_cmn_config(struct rk_hdptx_phy *hdptx, regmap_update_bits(hdptx->regmap, CMN_REG(0086), PLL_PCG_POSTDIV_SEL_MASK, FIELD_PREP(PLL_PCG_POSTDIV_SEL_MASK, cfg->pms_sdiv)); + regmap_update_bits(hdptx->regmap, CMN_REG(0086), PLL_PCG_CLK_SEL_MASK, + FIELD_PREP(PLL_PCG_CLK_SEL_MASK, (hdptx->bpc - 8) >> 1)); + regmap_update_bits(hdptx->regmap, CMN_REG(0086), PLL_PCG_CLK_EN, PLL_PCG_CLK_EN); @@ -916,7 +920,7 @@ static int rk_hdptx_phy_power_on(struct phy *phy) rate = phy_get_bus_width(hdptx->phy) & 0xfffffff; } - dev_dbg(hdptx->dev, "%s rate=%u\n", __func__, rate); + dev_dbg(hdptx->dev, "%s rate=%u bpc=%u\n", __func__, rate, hdptx->bpc); ret = rk_hdptx_phy_consumer_get(hdptx, rate); if (ret) @@ -943,6 +947,18 @@ static int rk_hdptx_phy_configure(struct phy *phy, hdptx->tmds_char_rate = opts->hdmi.tmds_char_rate; + switch (opts->hdmi.bpc) { + case 8: + case 10: + case 12: + case 16: + hdptx->bpc = opts->hdmi.bpc; + break; + default: + dev_warn(hdptx->dev, "Discarded unsupported bpc: %u\n", + opts->hdmi.bpc); + }; + return 0; } @@ -1090,6 +1106,7 @@ static int rk_hdptx_phy_probe(struct platform_device *pdev) return -ENOMEM; hdptx->dev = dev; + hdptx->bpc = 8; regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(regs))