Messages in this thread | | | Date | Fri, 18 Mar 2022 11:21:41 +0100 | Subject | Re: [PATCH 2/2 RESEND] drm/bridge: Add extra checks in pre_enable and post_enable | From | AngeloGioacchino Del Regno <> |
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Il 11/03/22 10:34, Ricardo Cañuelo ha scritto: > Depending on the bridge code, certain userspace events during a driver > teardown (such as a DRM ioctl call) might cause a race condition where > the drm_bridge_chain_pre_enable() and drm_bridge_chain_post_enable() > functions could be called for a bridge that has just been detached and > removed from the bridge chain of an encoder. > > This change makes these functions a bit more robust by bailing out if > the bridge has already been detached. > > Tested on an Acer Chromebook R13 (Elm, MT8173) with Debian Sid. > > Signed-off-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com>
On various chromebooks with different MediaTek SoC models, and on Qualcomm SC7180 Trogdor,
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
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