drm/rockchip: analogix_dp: Do not call Analogix code before bind

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Driver callbacks, such as system suspend or resume can be called any
time, specifically they can be called before the component bind
callback. Let's use dp->adp pointer as a safeguard and skip calling
Analogix entry points if it is an ERR_PTR().

Signed-off-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180423105003.9004-24-enric.balletbo@collabora.com

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Tomasz Figa 2018-04-23 12:49:59 +02:00 • committed by Andrzej Hajda

parent 7bb3bb4d56

commit a4169609de

1 changed files with 9 additions and 0 deletions

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drivers/gpu/drm/rockchip/analogix_dp-rockchip.c

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