drm/sun4i: Add support for traversing graph with TCON TOP

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TCON TOP is different from other nodes in graph by having 3 input and 3
output ports. Additionally, connection to TV TCON might lead back to
HDMI mux input port, creating loops.

Add support for traversing such graph.

Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180625120304.7543-9-jernej.skrabec@siol.net

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Jernej Skrabec 2018-06-25 14:02:48 +02:00 • committed by Maxime Ripard

parent 71f4796ac0

commit ef0cf6441f

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drivers/gpu/drm/sun4i/sun4i_drv.c

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