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(parent: 006a274) | patch
drm/vc4: Skip ULPS latching when we're in that ULPS state already.
authorEric Anholt <eric@anholt.net>
Tue, 31 Oct 2017 18:33:10 +0000 (11:33 -0700)
committerKleber Sacilotto de Souza <kleber.souza@canonical.com>
Wed, 15 Aug 2018 17:23:09 +0000 (19:23 +0200)
commita4c4fddcf200d1979f1e29618ea7ce294a96e950
treebea753c99c733e0898438b10acc5ccf9bb75d4c8tree
parent006a2746967d93466fbc7c63a9c2e09f3e38f099commit | diff
drm/vc4: Skip ULPS latching when we're in that ULPS state already.

It seems that trying to go from unlatched to unlatched will time out
waiting for STOP, and we can just skip that.

Signed-off-by: Eric Anholt <eric@anholt.net>
(cherry picked from commit dd1772f6158f896380cf1dbb824b965ea7f520a7
https://github.com/raspberrypi/linux raspi/rpi-4.15.y)
Signed-off-by: Paolo Pisati <paolo.pisati@canonical.com>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
drivers/gpu/drm/vc4/vc4_dsi.c diff | blob | blame | history
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