From patchwork Thu Dec 12 20:03:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Ciocaltea X-Patchwork-Id: 13905933 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 7766BE77180 for ; Thu, 12 Dec 2024 20:11:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id :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=UGW0Ctd9doNgnnhLPGitL1vti04ktb9QCI7LKQVgfmg=; b=JhOVKM9rkGzJBQ 6S9TkOHCKg6aajxfa2ozgPOjtLA008v1yU7vdqF9/B7qGUKn6/Qe6FKuRZ2TmowMlysdkR5ClCIE0 MGvxLFK47y8BUnxOZ6vc4JWBKkxnU5jwz3RuopPiqS9uItXFyv0efILCMn7un3g5pPVOFmlP3zyCg lPkcw+g04DkP6EX+0vZ99cx0QxliByDyGZIRC5Zubn95BCx0DCvxmeDjZdIz6Ls5r/3t3R1k+2IzA OGMFyJUh0tpK0H1fxnfhJIlv9srca/oEgm8VVAe68QtNu5rYCK800tjCo/+nglQ/dnc/OLvPaBSAj DYBe6hMWKXkxsKKFCB1w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tLpX6-00000001lHh-19oV; Thu, 12 Dec 2024 20:11:36 +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 1tLpPk-00000001jjg-456M; Thu, 12 Dec 2024 20:04:02 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1734033839; bh=0KBDAKlS6OTWKJsepDHtAwj7Of1rpZ03O65zQOei1Q0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=pvpmLsnlAopc9qomZW/3qhi0MIBoJx3de9mjXNgBIaQIniAV2umZv8dQhqfCwCgVN kamh5ZFgzGX16C/u2LVaW8WwDrQdJJXpcglGSMUEyPbhi0ffUNlebEQRaHjQmlt96U jvIf+ot4z7BjoIMbwzEczrmpCxrqFgj1kj++7Y4G2Z/SLNE7dN1rPqpnfrcyr/Rlk8 FY051B5A9zTZqvz69s9umooGut/CvZWQbCp503GbrFUhCiu7tVG6Ta7MrY5pZ0fk8q QRL3MixMXgpeifLacKqM8GhzFpcDGg9SUbO4vpUVJHTXTWlDxMhTEMh5Jf5m7IJyq9 jrkq8V0K8LC7Q== 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 42ADF17E3802; Thu, 12 Dec 2024 21:03:59 +0100 (CET) From: Cristian Ciocaltea Date: Thu, 12 Dec 2024 22:03:37 +0200 Subject: [PATCH v2 6/8] phy: rockchip: samsung-hdptx: Add high color depth management MIME-Version: 1.0 Message-Id: <20241212-phy-sam-hdptx-bpc-v2-6-57e672c7c7c4@collabora.com> References: <20241212-phy-sam-hdptx-bpc-v2-0-57e672c7c7c4@collabora.com> In-Reply-To: <20241212-phy-sam-hdptx-bpc-v2-0-57e672c7c7c4@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-20241212_120401_185769_AE20D87C X-CRM114-Status: GOOD ( 11.09 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=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 bf0c7d74e70b9204c97c571e08cb0c140131acb9..d90d89cfdff561e13ac3db3f143a4eef9cc85a03 100644 --- a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c +++ b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c @@ -246,6 +246,7 @@ struct rk_hdptx_phy { /* PHY config opts */ unsigned long tmds_char_rate; + unsigned int bpc; /* clk provider */ struct clk_hw hw; @@ -786,6 +787,9 @@ 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); @@ -888,7 +892,7 @@ 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) @@ -915,6 +919,18 @@ 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; } @@ -1062,6 +1078,7 @@ 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))