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authorChen-Yu Tsai <wens@csie.org>2017-09-08 15:50:11 +0800
committerMaxime Ripard <maxime.ripard@free-electrons.com>2017-09-09 17:24:01 +0200
commit1469619d29d752759a2c9604a74091f92757830a (patch)
tree240da78970c002cf74673e7b9090a9e0a8230915 /tools/perf/scripts/python/export-to-postgresql.py
parentda82b8785eebb2a97daa0164ccdfaa85361c237f (diff)
drm/sun4i: tcon: Check for multiple paths between TCONs and backends
The patch b317fa3ba11a ("drm/sun4i: tcon: Find matching display backend by device node matching") assumed a one-to-one mapping between TCONs and backends. This turned out wrong, as we found muxing controls in the TCON of the A31, and undocumented usage of the backend output selector of the A20. Make sun4i_tcon_find_engine() bail out if the current node has multiple input connections. Fixes: b317fa3ba11a ("drm/sun4i: tcon: Find matching display backend by device node matching") Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170908075016.18657-4-wens@csie.org
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