linux-kernel - Re: [PATCH v3 0/2] drm/mediatek: Don't support hdmi connector creation

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Message-ID: <CAAOTY_9n-VVPPEfLag7uVuPG+iM_NWccWgbyC3Eo9+DGYyz=Gw@mail.gmail.com>
Date:   Thu, 1 Apr 2021 22:15:40 +0800
From:   Chun-Kuang Hu <chunkuang.hu@...nel.org>
To:     Dafna Hirschfeld <dafna.hirschfeld@...labora.com>
Cc:     DRI Development <dri-devel@...ts.freedesktop.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Collabora Kernel ML <kernel@...labora.com>, dafna3@...il.com,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: Re: [PATCH v3 0/2] drm/mediatek: Don't support hdmi connector creation

Hi, Dafna:

Dafna Hirschfeld <dafna.hirschfeld@...labora.com> 於 2021年3月30日 週二 下午7:09寫道：
>
> commit f01195148967 ("drm/mediatek: mtk_dpi: Create connector for bridges")
> broke the display support for elm device since mtk_dpi calls
> drm_bridge_attach with the flag DRM_BRIDGE_ATTACH_NO_CONNECTOR
> while mtk_hdmi does not yet support this flag.

For this series, applied to mediatek-drm-next [1], thanks.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-next

Regards,
Chun-Kuang.

>
> These three patches fix that by adding support for DRM_BRIDGE_ATTACH_NO_CONNECTOR
> in mtk_hdmi bridge attachment.
>
> changes since v2:
> 1. squash patch 3 with patch 2 to not break bisection
> 2. remove the funtion mtk_hdmi_get_edid and inline its code in mtk_hdmi_bridge_get_edid
> 3. small aligment
>
> changes since v1:
> 1. split the first patch - now the first patch only moves the bridge ops to the atomic API
> while the replacement of the field 'conn' with the field '*curr_conn' is done in a new third patch.
> 2. in the function 'get_eld' use the current conn only if 'enabled = true'.
>
> Dafna Hirschfeld (2):
>   drm/mediatek: Switch the hdmi bridge ops to the atomic versions
>   drm/mediatek: Don't support hdmi connector creation
>
>  drivers/gpu/drm/mediatek/mtk_hdmi.c | 174 ++++++++++++----------------
>  1 file changed, 71 insertions(+), 103 deletions(-)
>
> --
> 2.17.1
>