linux-kernel - Re: [PATCH 2/2] drm/mediatek: dpi/dsi: fix possible

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Message-ID: <acec69f943f85b02909d8ce3e4d538c3@kernel.org>
Date:   Wed, 30 Aug 2023 12:55:55 +0200
From:   Michael Walle <mwalle@...nel.org>
To:     Nícolas F. R. A. Prado 
        <nfraprado@...labora.com>
Cc:     Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        "Nancy . Lin" <nancy.lin@...iatek.com>,
        Frank Wunderlich <frank-w@...lic-files.de>,
        Jitao Shi <jitao.shi@...iatek.com>,
        Stu Hsieh <stu.hsieh@...iatek.com>,
        dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 2/2] drm/mediatek: dpi/dsi: fix possible_crtcs calculation

> This won't work. On MT8195 there are two display IPs, vdosys0 and 
> vdosys1,
> vdosys0 only has the main path while vdosys1 only has the external 
> path. So you
> need to loop over each one in all_drm_private[j] to get the right crtc 
> ID for
> MT8195.

Ahh thanks, got it.

-michael