From patchwork Tue Feb 11 11:34:05 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: 13969692 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 05E3FC0219B for ; Tue, 11 Feb 2025 12:31:11 +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=+Fb9RZxHxh8YyocWlheB5e/7eyFJ7VLcXNlRsNDtGZk=; b=djAdMI9WqdKpbYsJ5wgK8p8I4L Gpj2NcxYtDInKpGT1z7D2o8AEza7yYXFvxb0yReFdeKaFAkTLFbOXV3/uXKqo3JUvxTb2QJO8c+qG KvPnfh19KqMuG+zy22biKkbjaQGUGHkWy5uu+8pSbjsXbpYwYT3ms8IznkLiTOvepXePShXp+mT9w eoBl1NiZW0swNT5cp78opfz+zdARNTkc1G2nbVagPaIS13bW4Z1P7MQuCLbUsr+ak9ufEbQHgURIZ dt9JLX3rDqjSZ0lVlDdJdzrd/Pi3AB+4TWtbaF4FSFfxop9aBq9xMCebnrr/pYxsNO/DDLb5aSv4M EVnsegTA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1thpPx-00000003mFR-34V3; Tue, 11 Feb 2025 12:31:09 +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 1thoXu-00000003ZGu-04IZ; Tue, 11 Feb 2025 11:35:19 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1739273716; bh=h5sH6HJN9yxWrVCtQ7P72cmcEC5rdCRGyfe5RdTapYk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CjaShcOmlQP1lnXSotkn+AdFedC7CZdMh+JXnSt/8NsMPX7wkItdl0vsJvQOmhbCr q2lp7er/NfW7So3coqayufvyAnRUdCy6TFav0BN5lR+SzKGb59KUlU9IICFuj5zyUz 00O6hyU/BqrrUJlI8tHVzfpO9RPP/zAZEDB0ms+HBoOwzW85xe6U7hfbr8uED9PMuz 5PmrgCzYeri9Om0FhDjORwvmj5OiWS0ItoZhwhX4+6LOGqapYVx8pxq3+t68rfqQ+l KSaFzbOcx8B3rxxi7xuQe/jzuuv8lrZAJLDcdJi8tJx7YF3Gy0FSzExj0EUbejxrTu bcEd93Yhlbnew== 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 762C817E1550; Tue, 11 Feb 2025 12:35:15 +0100 (CET) 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 v6 38/42] drm/mediatek: mtk_hdmi_common: Add OP_HDMI if helper funcs assigned Date: Tue, 11 Feb 2025 12:34:05 +0100 Message-ID: <20250211113409.1517534-39-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250211113409.1517534-1-angelogioacchino.delregno@collabora.com> References: <20250211113409.1517534-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250211_033518_230698_41072FDB X-CRM114-Status: GOOD ( 11.37 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=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. Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: CK Hu --- 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";