From nobody Mon Feb 9 16:45:14 2026 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5E6111DD886 for ; Sat, 8 Mar 2025 12:21:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741436504; cv=none; b=kZnQnbnH5mpDA/NjSJb8GXY3rLRoGGqqHQWA87zQh1jsTArK6nxw/21/awHA+Sz1Q3kIHB+skflJtr/F9C7r9QdCqS3fZvd/V4bc4yVmx0Qe6BGuwxY8gEEdjceiIAKm+sf/LXRD/fyurdnKc8rVfP22KOWUG0h77pSh3nGOibc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741436504; c=relaxed/simple; bh=0FuXuMBDjykjoq5VV54ZEwRLpazRtku0RrRekgTkR+c=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=BEcp8rSlq32C4vCpFbW/TDJHZPTTjO4OOo/Eif1xBoOvIyUNKKrRjLKRbSg8Z3YS7OyoNvesjetljjz5fyYRbrHNubD/pmEJrxROQ9pxa+4ksEIVDDgAsBMeiOGjjPvLSyThT+OKBihwaC04MTOKitmOIl1cA2I5QkXarH/X62U= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=YsAF97MA; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="YsAF97MA" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1741436500; bh=0FuXuMBDjykjoq5VV54ZEwRLpazRtku0RrRekgTkR+c=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=YsAF97MABdtkSsi63QVC4BRWfWMDB4Ra8ztxKhfWN9T6fbVZ0DttqDUVVgby/EEEi TzTRrOrgqQJ/tDnTQNMV/3JCaojWrRNSa1V0x1JgBjHx01DGjC1SJGnSOqRqT4DI+6 GtpG+tv85SJ3m5wXbA3/4+LEbFc4QKq0og75N8iHcBZ2v70BK13jYXYh/dVmhhD027 udUKjRGxK6wBjqeyJg/jpCU6+i5Cir2W4cJLXdOSglXkhp8GO63rrwOIvPD49FbleY mY5iQid1KSYEVe4fT9iua1VFdS6/QJ8CW/jR0a3UzXsGU9JKjHVJ7SDffRL1vpGdkf q/tuz9kL7C1/w== Received: from localhost (unknown [84.232.140.93]) (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 B776417E0B12; Sat, 8 Mar 2025 13:21:40 +0100 (CET) From: Cristian Ciocaltea Date: Sat, 08 Mar 2025 14:21:18 +0200 Subject: [PATCH v5 09/12] phy: rockchip: samsung-hdptx: Provide config params validation support Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250308-phy-sam-hdptx-bpc-v5-9-35087287f9d1@collabora.com> References: <20250308-phy-sam-hdptx-bpc-v5-0-35087287f9d1@collabora.com> In-Reply-To: <20250308-phy-sam-hdptx-bpc-v5-0-35087287f9d1@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 Implement the phy_ops.validate() callback to allow checking the PHY configuration parameters without actually applying them. Signed-off-by: Cristian Ciocaltea Reviewed-by: Dmitry Baryshkov --- drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c b/drivers/ph= y/rockchip/phy-rockchip-samsung-hdptx.c index 04c344394cbea89150bc4432cf26530fa9d71678..0e1391b4c8bdb9cd0facfc80999= 929700579d667 100644 --- a/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c +++ b/drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c @@ -1797,10 +1797,22 @@ static int rk_hdptx_phy_configure(struct phy *phy, = union phy_configure_opts *opt return 0; } =20 +static int rk_hdptx_phy_validate(struct phy *phy, enum phy_mode mode, + int submode, union phy_configure_opts *opts) +{ + struct rk_hdptx_phy *hdptx =3D phy_get_drvdata(phy); + + if (mode !=3D PHY_MODE_DP) + return rk_hdptx_phy_verify_hdmi_config(hdptx, &opts->hdmi); + + return rk_hdptx_phy_verify_dp_config(hdptx, &opts->dp); +} + static const struct phy_ops rk_hdptx_phy_ops =3D { .power_on =3D rk_hdptx_phy_power_on, .power_off =3D rk_hdptx_phy_power_off, .configure =3D rk_hdptx_phy_configure, + .validate =3D rk_hdptx_phy_validate, .owner =3D THIS_MODULE, }; =20 --=20 2.48.1