https://bugs.freedesktop.org/show_bug.cgi?id=101969
--- Comment #5 from Chris Rankin rankincj@googlemail.com --- Ah, this is now fixed in the latest Mesa-git. I am assuming that this is the relevant commit:
author Marek Olšák marek.olsak@amd.com 2017-07-30 01:37:21 (GMT) committer Marek Olšák marek.olsak@amd.com 2017-08-01 15:06:38 (GMT) commit b9fc9d3f241758ed8a274be7abf68bf448653508 (patch) tree 982cbf445d27083138874d22599c3fbdb11e0a57 parent b99dcbfeb344390fea9919199b34e5504f7c84e3 (diff) radeonsi: fix various CLEAR_STATE issues Fixes: 064550238ef0 ("radeonsi: use CLEAR_STATE to initialize some registers")