drm/vc4: Make sure that the v3d ident debugfs has vc4's power on.
authorEric Anholt <eric@anholt.net>
Wed, 20 Feb 2019 21:03:43 +0000 (13:03 -0800)
committerEric Anholt <eric@anholt.net>
Mon, 1 Apr 2019 17:44:34 +0000 (10:44 -0700)
commit6234fc0fb03743536eefba47c08ff8d4c9cf2fae
treea68e7e78f02354a9330cb383210f0ebc29571cba
parentcb74f6ee8e3a00e85d53697d5d84ec21d416e5ef
drm/vc4: Make sure that the v3d ident debugfs has vc4's power on.

Otherwise, you sometimes decode the ident fields based on 0xdeadbeef
register reads.

Signed-off-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20190220210343.28157-7-eric@anholt.net
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
drivers/gpu/drm/vc4/vc4_v3d.c