From nobody Fri Dec 19 08:07:56 2025 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 DF14D274676 for ; Fri, 8 Aug 2025 10:13:29 +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=1754648011; cv=none; b=MqV8KY3RGSSBKTP6wcimzXR9VFx0oKYGpE9+hJ+k7mIDLor14tAKZw/XOZlySdlXAcFMGQssDSJb2s7XMDVU5MB98+L03ei+CQFGy9J0QnoLwqrlf12IEcYDEbmKNZxbNvaAkFI0js85xkmTlqZgs4mEj7Xzq9QK7YKitoJ2oAs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754648011; c=relaxed/simple; bh=EGx3yE8rfdW+AiowBjEmyHsbvFWWmYRTHvFW44bdB6E=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=NoTRFZNXEXqyxdnsl0K/zHTnK/2EZFI/c0wXWGTXobxPx/oaC5CEQI6Cpg1bN840RY6frx/wMtyzDUM3/JqinffC5vnZexZkZNkIHc1U1GRPz5eN+dnR8HjsMf2cEEg6urOhhqmA80empPoTcYK496nFWN9d/kEul5F7RqyPNrc= 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=WYSgl12Y; 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="WYSgl12Y" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1754648008; bh=EGx3yE8rfdW+AiowBjEmyHsbvFWWmYRTHvFW44bdB6E=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=WYSgl12YrPQWvkntXNq/enVIK8f5Ogoig3DPvtuOTwwp6RafopzJJz4c3hr2yVeKE EenCETbyhW3flpLC+eKI4o9wu+LMBa/AjRg8vM3231Zp5egTfnbmIjPeWMi0AQ+I0x xJVJxuHPcsbvzGJrMDeafX1oiPRXpZzg8mdbvi/TSdEctSYIJnUDMzZJahn/xXROu7 y8mR+8SJYlwA1sZYrAJ+cEK7KFcu5ttbu/EBdyLC3pp81ooYX2G/DGhXxQFHDFkqHc sFyieTzBszZw1+mdGNCiLjqZeeDpi0pdJsVsjBTG8OYv/hMcw7LAeKwsH9byPsafMz r2oRg58RbkStA== Received: from yukiji.home (amontpellier-657-1-116-247.w83-113.abo.wanadoo.fr [83.113.51.247]) (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: laeyraud) by bali.collaboradmins.com (Postfix) with ESMTPSA id B084217E132A; Fri, 8 Aug 2025 12:13:27 +0200 (CEST) From: Louis-Alexis Eyraud Date: Fri, 08 Aug 2025 12:12:17 +0200 Subject: [PATCH v10 07/10] drm/mediatek: mtk_hdmi_common: Add OP_HDMI if helper funcs assigned 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: <20250808-mediatek-drm-hdmi-v2-v10-7-21ea82eec1f6@collabora.com> References: <20250808-mediatek-drm-hdmi-v2-v10-0-21ea82eec1f6@collabora.com> In-Reply-To: <20250808-mediatek-drm-hdmi-v2-v10-0-21ea82eec1f6@collabora.com> To: Chun-Kuang Hu , Philipp Zabel , David Airlie , Simona Vetter , Matthias Brugger , AngeloGioacchino Del Regno , CK Hu Cc: kernel@collabora.com, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Louis-Alexis Eyraud X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1754648002; l=1902; i=louisalexis.eyraud@collabora.com; s=20250113; h=from:subject:message-id; bh=VFgIkvVzJkA3pH1XUiXTo9X/HXrtyxZhRMF4j8V/Alg=; b=sqyNimNTio89XgmkCZ4TDb3/csaRfDrYegf5ikdYGugP1m5WGZZS4gkK5UlR4Ux+skPTuwIqw HEZr9kQyaavDWlRWFB+5OG0YiOt2gozRAz0A4ds1Nq7Bkeah2au5Jhb X-Developer-Key: i=louisalexis.eyraud@collabora.com; a=ed25519; pk=CHFBDB2Kqh4EHc6JIqFn69GhxJJAzc0Zr4e8QxtumuM= From: AngeloGioacchino Del Regno 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 Signed-off-by: Louis-Alexis Eyraud --- drivers/gpu/drm/mediatek/mtk_hdmi_common.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_common.c b/drivers/gpu/drm/m= ediatek/mtk_hdmi_common.c index 3b589706d61b1e0e4aa66d0c81253b8aeb70c0d3..be63f33d39bfd4625a5f1edd83c= 873cc20ac0018 100644 --- a/drivers/gpu/drm/mediatek/mtk_hdmi_common.c +++ b/drivers/gpu/drm/mediatek/mtk_hdmi_common.c @@ -413,6 +413,10 @@ struct mtk_hdmi *mtk_hdmi_common_probe(struct platform= _device *pdev) hdmi->bridge.ops =3D DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID | DRM_BRIDGE_OP_HPD; =20 + if (ver_conf->bridge_funcs->hdmi_write_infoframe && + ver_conf->bridge_funcs->hdmi_clear_infoframe) + hdmi->bridge.ops |=3D DRM_BRIDGE_OP_HDMI; + hdmi->bridge.type =3D DRM_MODE_CONNECTOR_HDMIA; hdmi->bridge.ddc =3D hdmi->ddc_adpt; hdmi->bridge.vendor =3D "MediaTek"; --=20 2.50.1