drm/bridge: tc358767: cleanup LT result check
The driver has a loop after ending link training, where it reads the
DPCD link status and prints an error if that status is not ok.
The loop is unnecessary, as far as I can understand from DP specs, so
let's remove it. We can also print the more specific errors to help
debugging.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-16-tomi.valkeinen@ti.com
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