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 ; Fri, 6 Dec 2024 22:09:19 +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=4ylJIPNxbO7xn76YVao6H0547gcUYA8lw/D6rtOf88I=; b=yNuZ2NsF0ounYi/9CaTmDg9dV0 q2g1xQVYynGgSYuuR6tkPKMGmYfh4WtOm2psWlasSIsMYCQDSO31pqt+qkgdmvfEW8rfzkkbzIC90 6ktS9D8oGqk8tvH6PW0nf9DQPQcg8Gc37MRsgTA84eplD8zAl1JP40BYPfo7xmGvSHItaG3oo0qAF 4WwHZaoHp4yUKyBTRwaMnNiJicGZc1plb/NfkgjBS/i0w2qcS9dY8nAO6kG2S6QDfY9PRfUwfLBLz F3RU6lIJwnASlwNBXFhBeLD5eRATNYDggbtxLvXhyUvUOjCK4kiLinFqmpQy2e/2SQVp7kB85g4Ao r46Qvnmg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tJgVa-00000002rXf-3Mfd; Fri, 06 Dec 2024 22:09:10 +0000 Received: from bali.collaboradmins.com ([2a01:4f8:201:9162::2]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tJgQc-00000002qhK-0UvQ; Fri, 06 Dec 2024 22:04:03 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1733522639; bh=w5/YY2wqmqV6QgwYuiXdkpRkQEFMfdXMRewTbnvqfOI=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=OKPBZ4WMhNwG9mP28+hs255Bl43GBXU0J7Y6V/Zv7fVi7YetP3gcicm+iFbD3Vzmo 0yIjljXtMdXwMjBgcDygWRpSlH235euZZWFWS9w/BfZ8TCWSaz+7AjiApqUtN2XbHE dFGBCJpuEeKqfAEExSIofSXUUK+9WIW6BanRhlGt3inywEicNxx6NqmVmZ1N923AS0 k8jO/9g/G/WWiWyqphfVjJqoqP2XZ9Pv4EvAtCOjbL5aX9Ym1ryhEXzGoRshhNR/yl iS+L82AgkDLAwdBt36RXzAYRLpeuFaxV680IK+CadB5+oWoxk8geM5zAD7LqSCHab6 aNCXY9XcnDlvw== 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 B1DF817E380C; 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))