| From | Chen-Yu Tsai <> | Date | Wed, 11 Jul 2018 00:12:45 +0800 | Subject | Re: [PATCH 11/17] drm/sun4i: tcon: Add another way for matching mixers with tcon |
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On Sat, Jul 7, 2018 at 1:51 AM, Jernej Skrabec <jernej.skrabec@siol.net> wrote: > Till now, new way of matching engines with TCONs was reading their > respective ids and match them by those ids. However, with introduction > of TCON TOP, that might not be so straightforward anymore. > - there might be more TCONs that engines (mixers) > - TCON ids might have non-consecutive ids > > Workaround that by matching mixer id with TCON index from TCON list. > > For example, R40 has 2 mixers and 4 TCONs. Board designer can choose > 2 outputs, which are connected to any of those 4 TCONs. As long as there > are only 2 TCONs enabled in DT, using index in list as alternative id, > will allow to match them with mixer 0 and 1. > > Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
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