From mboxrd@z Thu Jan 1 00:00:00 1970 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 20C52CA101F for ; Fri, 12 Sep 2025 09:04:42 +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:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=W7FzMbGLdf3MIvN9Uv3D7R1w6PjQ1OJf1LBOG2xYMws=; b=Cp5yd8FGXDy/bY 7MgUq6IJYqns9+kf3SeX2useGaAkTm6YqngpSVtrmkgmlSy6jp75cnvSa1tobP37h86M1sUv7qcFC 0wN+ZfbbYIfvGGMSoC9UxwrMv1uNL7rxAgP6Mk+PEwPI5zWU5Hy91AOPOq2Yj0OejdZ5hibrw4rni l5WTpq6OiXFuky94ABxMPK3FuvECrat0SWboW2VrqoZrvdMdkX/YNtLX1s5C26TRRysaWGHHb74Fs 3+YeDgSgs3/4jzI+sVPBe3ZyPOb1WZCGCy0fDr52Uic87jjLCxFXLglMhrOdnmQ1vIAsFsWcBRLRU SYBSLhO9YFGveZ8joX2w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uwzhu-0000000880r-07C8; Fri, 12 Sep 2025 09:04:38 +0000 Received: from mail-m49246.qiye.163.com ([45.254.49.246]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uwzhr-000000087x4-1GsP; Fri, 12 Sep 2025 09:04:36 +0000 Received: from zyb-HP-ProDesk-680-G2-MT.. (unknown [58.22.7.114]) by smtp.qiye.163.com (Hmail) with ESMTP id 2298a0eb7; Fri, 12 Sep 2025 16:59:29 +0800 (GMT+08:00) From: Damon Ding To: andrzej.hajda@intel.com, neil.armstrong@linaro.org, rfoss@kernel.org Cc: Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, jingoohan1@gmail.com, inki.dae@samsung.com, sw0312.kim@samsung.com, kyungmin.park@samsung.com, krzk@kernel.org, alim.akhtar@samsung.com, hjc@rock-chips.com, heiko@sntech.de, andy.yan@rock-chips.com, dmitry.baryshkov@oss.qualcomm.com, dianders@chromium.org, m.szyprowski@samsung.com, luca.ceresoli@bootlin.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, Damon Ding Subject: [PATCH v5 13/17] drm/rockchip: analogix_dp: Apply &analogix_dp_plat_data.attach() to attach next bridge Date: Fri, 12 Sep 2025 16:58:42 +0800 Message-Id: <20250912085846.7349-14-damon.ding@rock-chips.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250912085846.7349-1-damon.ding@rock-chips.com> References: <20250912085846.7349-1-damon.ding@rock-chips.com> MIME-Version: 1.0 X-HM-Tid: 0a993d26af9e03a3kunm813a8c8ea46246 X-HM-MType: 1 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZGh5NSFZPQh9MHh8ZHktJQh9WFRQJFh oXVRMBExYaEhckFA4PWVdZGBILWUFZTkNVSUlVTFVKSk9ZV1kWGg8SFR0UWUFZT0tIVUpLSEpKQk 1VSktLVUpCWQY+ DKIM-Signature: a=rsa-sha256; b=CWgCB7fLwrYIZriaNXhZT1Te5EP55AOQjxHvsSmGLb1gWwXIE2A37p9EmaR9hpOhf4GqYQGKdMJJQXWEmqC+o8THptUrVCtLj7KcWCI8jUmNjiCUMdBYHR5RuzWiXQfIOWdGhm4VXSjSkS0HpFPxUuS+sDW6fOhLUwiHqSLlVpE=; c=relaxed/relaxed; s=default; d=rock-chips.com; v=1; bh=jSqkJBK8n7ly5U0nAnm+/OksXDHVIBn6HmUmV6qYAJ8=; h=date:mime-version:subject:message-id:from; X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250912_020435_533840_8499727A X-CRM114-Status: UNSURE ( 9.42 ) X-CRM114-Notice: Please train this message. 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org There may be the panel or bridge after &analogix_dp_device.bridge. Add rockchip_dp_attach() to support the next bridge attachment for the Rockchip side. Signed-off-by: Damon Ding --- .../gpu/drm/rockchip/analogix_dp-rockchip.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c index 0784f19a2ed9..39f1ed293c75 100644 --- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c +++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c @@ -164,6 +164,24 @@ static int rockchip_dp_powerdown(struct analogix_dp_plat_data *plat_data) return 0; } +static int rockchip_dp_attach(struct analogix_dp_plat_data *plat_data, + struct drm_bridge *bridge) +{ + struct rockchip_dp_device *dp = pdata_encoder_to_dp(plat_data); + int ret; + + if (plat_data->next_bridge) { + ret = drm_bridge_attach(&dp->encoder.encoder, plat_data->next_bridge, bridge, + DRM_BRIDGE_ATTACH_NO_CONNECTOR); + if (ret) { + dev_err(dp->dev, "failed to attach following panel or bridge (%d)\n", ret); + return ret; + } + } + + return 0; +} + static bool rockchip_dp_drm_encoder_mode_fixup(struct drm_encoder *encoder, const struct drm_display_mode *mode, @@ -452,6 +470,7 @@ static int rockchip_dp_probe(struct platform_device *pdev) dp->plat_data.dev_type = dp->data->chip_type; dp->plat_data.power_on = rockchip_dp_poweron; dp->plat_data.power_off = rockchip_dp_powerdown; + dp->plat_data.attach = rockchip_dp_attach; dp->plat_data.ops = &rockchip_dp_component_ops; ret = rockchip_dp_of_probe(dp); -- 2.34.1 _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip