From patchwork Wed Apr 9 13:13:14 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 14044706 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 EF664C369A1 for ; Wed, 9 Apr 2025 13:58:52 +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:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=xbaGG1hlVHaXQoXlPJdWLkXS5CsYPLIBaWgrm3IY1Tw=; b=SgganQR9R+78r7vWfnEu2d1vBs ZwCSJVoVU8X+6plXGzRZWncWE377ulKpU5nR1ubwzfZNJZ9RnTDULA1wkw+3TFcHgesNWuu2j3oum wjdA+AQLcqqoVevhPG3wBHAuTwMbWZlxis1msNuke/1Kl/puwKBGC1tcK3aMRHQf83LeNQ/X2A2VS 35CcO/jIL3f8wu59t48nJ74pcgfp+Txz9V7wn2tWgM4KrVduBtSCvaOMym6XNYwU9KNiIYwEWAX/9 WT1qt/S+ULolnT1EboCaqMGHasHK+jPy4wn/NYr+1P56Cw6ZKq5NtAFJQcGg9yXdL/KBZ1vrVpsJh RZoWq+Dw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1u2Vwx-00000007N3Z-29vw; Wed, 09 Apr 2025 13:58:43 +0000 Received: from bali.collaboradmins.com ([2a01:4f8:201:9162::2]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1u2VFb-00000007FU0-1xUT; Wed, 09 Apr 2025 13:13:56 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1744204434; bh=DcoySUyFDoBBukYLR9UFDjQxQD7Rqkm+3PricCV6HgY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FG2W2L65qf1+hVCSuiM74ZMgruV0JbumgXceVKg28r79CcU6KLzPFUxw0UTqAPEYt G2RwW6C/J5xNKtLsBSsei3th7qBZHg8IHBp17kU8SiB0kXeOBbF20hLdhg++CVVJlw PQA9As7A8kgxlBNyWUr2SWjoQP1B3UNbmC7HRFooIsjurIAO5c9wv1Yv5I3CNuCcaS /jmbv4/dZDOfIY0E2bmbTpeDf4P9QHMNWebM1GS+s09IuYL9fwWxzbYUttFztG+ZzN rr0YHTx0FPQNG65NTEViK+tTZlHmixj7gyKist8LEpcsvMg4vmvj0hF0YLOT4Jc6Dm wcXVSFFsdHlLA== Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by bali.collaboradmins.com (Postfix) with ESMTPSA id 727BD17E0EB8; Wed, 9 Apr 2025 15:13:52 +0200 (CEST) From: AngeloGioacchino Del Regno To: chunkuang.hu@kernel.org Cc: p.zabel@pengutronix.de, airlied@gmail.com, simona@ffwll.ch, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, ck.hu@mediatek.com, jitao.shi@mediatek.com, jie.qiu@mediatek.com, junzhi.zhao@mediatek.com, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel@collabora.com, dmitry.baryshkov@linaro.org, lewis.liao@mediatek.com, ives.chenjh@mediatek.com, tommyyl.chen@mediatek.com, jason-jh.lin@mediatek.com Subject: [PATCH v8 19/23] drm/mediatek: mtk_hdmi_common: Add OP_HDMI if helper funcs assigned Date: Wed, 9 Apr 2025 15:13:14 +0200 Message-ID: <20250409131318.108690-20-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250409131318.108690-1-angelogioacchino.delregno@collabora.com> References: <20250409131318.108690-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250409_061355_674985_18BD6F92 X-CRM114-Status: GOOD ( 11.52 ) 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 In preparation for adding the HDMI TX v2 driver, and to allow a future modernization of the HDMI v1 one, perform changes that enable the usage of the HDMI Helpers provided by DRM. Check if the HDMI driver provides the function pointers to hdmi_{clear,write}_infoframe used by the HDMI Helper API and, if present, add DRM_BRIDGE_OP_HDMI to the drm_bridge ops, enabling the drm API to register the bridge as HDMI and to use the HDMI Helper functions. If the hdmi_{write,clear}_infoframe pointers are not assigned, vendor and product strings and HDMI helpers will not be used, hence this commit brings no functional changes to drivers that have not been refactored to use the new helpers. This also means that, in the current state, there is effectively no functional change to mtk_hdmi and its other components. Reviewed-by: CK Hu Signed-off-by: AngeloGioacchino Del Regno --- drivers/gpu/drm/mediatek/mtk_hdmi_common.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_common.c b/drivers/gpu/drm/mediatek/mtk_hdmi_common.c index 2c91f65f26fa..d58752b772e8 100644 --- a/drivers/gpu/drm/mediatek/mtk_hdmi_common.c +++ b/drivers/gpu/drm/mediatek/mtk_hdmi_common.c @@ -410,6 +410,11 @@ struct mtk_hdmi *mtk_hdmi_common_probe(struct platform_device *pdev) hdmi->bridge.of_node = pdev->dev.of_node; hdmi->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID | DRM_BRIDGE_OP_HPD; + + if (ver_conf->bridge_funcs->hdmi_write_infoframe && + ver_conf->bridge_funcs->hdmi_clear_infoframe) + hdmi->bridge.ops |= DRM_BRIDGE_OP_HDMI; + hdmi->bridge.type = DRM_MODE_CONNECTOR_HDMIA; hdmi->bridge.ddc = hdmi->ddc_adpt; hdmi->bridge.vendor = "MediaTek";