Messages in this thread | | | Date | Wed, 17 Apr 2024 15:52:20 +0200 | Subject | Re: [PATCH v2] drm/mediatek/dp: fix mtk_dp_aux_transfer return value | From | AngeloGioacchino Del Regno <> |
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Il 17/04/24 12:38, Wojciech Macek ha scritto: > In case there is no DP device attached to the port the > transfer function should return IO error, similar to what > other drivers do. > In case EAGAIN is returned then any read from /dev/drm_dp_aux > device ends up in an infinite loop as the upper layers > constantly repeats the transfer request. > > Fixes: f70ac097a2cf ("drm/mediatek: Add MT8195 Embedded DisplayPort driver") > Signed-off-by: Wojciech Macek <wmacek@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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