From patchwork Sun Feb 23 11:02:13 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Ciocaltea X-Patchwork-Id: 13986932 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 64A7DC021B2 for ; Sun, 23 Feb 2025 11:13:04 +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=04jaN2O8oFvrHPCyZG2RNvrqYdHwiCCCvKHqiFzZR94=; b=3KQsGZvO55VJM+UQ71JROZpk7D kkZMhLURX+i3Pb6+LaEY7Gqwv19auM/7/nkVxwxWH9VK/EbRGCWegyrnLfUUMfENIMHBsLpojD6Wl h4IkX2Ol2TaSE8cimSe6B/gLQK7eaK7MZXkpEDzsdi9NSDEhcTc89FCdy7eMvXUvmqzbO7v6cIq4O BPcE8NSqRjT9606S8j5c5o0Q6VG2IJngBBrzEfLqpMp7VJUqN0phISAoS0dP6vmRt+CQ0OTaF/SB8 I8JAbu0BQVr7Y4D7S16sn+osT7QjGIdj7NDhVL3EcVX05QMR4kgUHJVbsG7ypGUorztw79YqENqSI FlTVa59g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tm9uq-0000000AwXp-3YU6; Sun, 23 Feb 2025 11:12:56 +0000 Received: from bali.collaboradmins.com ([148.251.105.195]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tm9km-0000000Aurj-18Gb; Sun, 23 Feb 2025 11:02:33 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1740308550; bh=wi5gL1MuujVnvpKHlNtHCdmjCVgPVDm9mY+mNnIouZw=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=cbNDR1Z2WcSH6Bp+0ozgwgcnL8D4NvzT6LrFA8JAx5sLFHuVYGq6sFHB+ZxASsIoy xrVvaYMKdqFJmH8sYsfMuOsn2MHpz+hePXlZgC4qC4g3HMhl3e0N72jHGKEGn+Zf2l a5gMRniXYoJGPtQOddrGaxpK2MYMkaqbp4zUNHo0qhMG2qcd2bpf+8zhJYB0Egb4F5 uPWlhu4fKoeOzHr4xDWv13kltlBFJbBuAXKkWHyQEt9rcY8lBzhuw6sWi1hhOMeQOr 0nmZrO+Y57IKnWeXwYCh6iud3ynwe3+IWI41O1j3nGy6+Vi3mK5H+/g2sInw39n1ll eNyMzbIDZ9V7w== Received: from localhost (unknown [188.27.58.83]) (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 UTF8SMTPSA id BF71F17E0199; Sun, 23 Feb 2025 12:02:30 +0100 (CET) From: Cristian Ciocaltea Date: Sun, 23 Feb 2025 13:02:13 +0200 Subject: [PATCH v3 6/8] phy: rockchip: samsung-hdptx: Add high color depth management MIME-Version: 1.0 Message-Id: <20250223-phy-sam-hdptx-bpc-v3-6-66a5c8e68327@collabora.com> References: <20250223-phy-sam-hdptx-bpc-v3-0-66a5c8e68327@collabora.com> In-Reply-To: <20250223-phy-sam-hdptx-bpc-v3-0-66a5c8e68327@collabora.com> To: Vinod Koul , Kishon Vijay Abraham I , Heiko Stuebner Cc: Algea Cao , 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-20250223_030232_454784_332E3F8C X-CRM114-Status: GOOD ( 11.36 ) 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 | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c index dd91a7272e246b2133112effdb080a847fd15abe..792ed3d1459f84e735041f55cac15941f6f785ef 100644 --- a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c +++ b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c @@ -404,6 +404,7 @@ struct rk_hdptx_phy { /* PHY config opts */ unsigned long tmds_char_rate; + unsigned int bpc; /* clk provider */ struct clk_hw hw; @@ -1032,6 +1033,9 @@ 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_MASK, FIELD_PREP(PLL_PCG_CLK_EN_MASK, 0x1)); @@ -1430,7 +1434,7 @@ 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) @@ -1741,6 +1745,19 @@ static int rk_hdptx_phy_configure(struct phy *phy, union phy_configure_opts *opt if (mode != PHY_MODE_DP) { 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; } @@ -1922,6 +1939,7 @@ static int rk_hdptx_phy_probe(struct platform_device *pdev) return -ENOMEM; hdptx->dev = dev; + hdptx->bpc = 8; regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res); if (IS_ERR(regs))