linux-kernel - Re: [PATCH v1 7/7] drm/mediatek: Introduce HDMI/DDC v2 for MT8195/MT8188

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Message-ID: <5401e3a681e4dc92625566b87c1bf3c9e8cc0443.camel@mediatek.com>
Date: Mon, 2 Dec 2024 05:18:37 +0000
From: CK Hu (胡俊光) <ck.hu@...iatek.com>
To: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	"chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>
CC: "linux-mediatek@...ts.infradead.org" <linux-mediatek@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"tzimmermann@...e.de" <tzimmermann@...e.de>, "simona@...ll.ch"
	<simona@...ll.ch>, "mripard@...nel.org" <mripard@...nel.org>,
	"kernel@...labora.com" <kernel@...labora.com>, "p.zabel@...gutronix.de"
	<p.zabel@...gutronix.de>, "maarten.lankhorst@...ux.intel.com"
	<maarten.lankhorst@...ux.intel.com>, "conor+dt@...nel.org"
	<conor+dt@...nel.org>, "robh@...nel.org" <robh@...nel.org>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
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	<matthias.bgg@...il.com>, "krzk+dt@...nel.org" <krzk+dt@...nel.org>
Subject: Re: [PATCH v1 7/7] drm/mediatek: Introduce HDMI/DDC v2 for
 MT8195/MT8188

Hi, Angelo:

On Wed, 2024-11-20 at 13:45 +0100, AngeloGioacchino Del Regno wrote:
> External email : Please do not click links or open attachments until you have verified the sender or the content.
> 
> 
> Add support for the newer HDMI-TX (Encoder) v2 and DDC v2 IPs
> found in MediaTek's MT8195, MT8188 SoC and their variants, and
> including support for display modes up to 4k60 and for HDMI
> Audio, as per the HDMI 2.0 spec.
> 
> HDCP and CEC functionalities are also supported by this hardware,
> but are not included in this commit.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> ---

[snip]

> +static const struct drm_bridge_funcs mtk_v2_hdmi_bridge_funcs = {
> +       .attach = mtk_hdmi_v2_bridge_attach,
> +       .detach = mtk_hdmi_v2_bridge_detach,
> +       .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state,
> +       .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state,
> +       .atomic_reset = drm_atomic_helper_bridge_reset,
> +       .mode_fixup = mtk_hdmi_bridge_mode_fixup,
> +       .atomic_disable = mtk_hdmi_v2_bridge_disable,
> +       .atomic_post_disable = mtk_hdmi_v2_bridge_post_disable,
> +       .mode_set = mtk_hdmi_bridge_mode_set,
> +       .atomic_pre_enable = mtk_hdmi_v2_bridge_pre_enable,
> +       .atomic_enable = mtk_hdmi_v2_bridge_enable,
> +       .edid_read = mtk_hdmi_v2_bridge_edid_read,
> +       .detect = mtk_hdmi_v2_bridge_detect,
> +       .debugfs_init = mtk_hdmi_v2_debugfs_init,

v1 has mode_valid callback function, so implement it in v2.

Regards,
CK

> +};
> +

>