On Mon, Dec 11, 2017 at 02:19:44AM +0300, Dmitry Osipenko wrote: > Add manual HW power management to drivers probe/remove in order to > not fail in a case of runtime power management being disabled in kernel > config. > > Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx> > --- > drivers/gpu/drm/tegra/dc.c | 164 +++++++++++++++++++++++++++---------------- > drivers/gpu/drm/tegra/dsi.c | 138 +++++++++++++++++++++--------------- > drivers/gpu/drm/tegra/hdmi.c | 90 ++++++++++++++++-------- > drivers/gpu/drm/tegra/sor.c | 103 +++++++++++++++++---------- > 4 files changed, 310 insertions(+), 185 deletions(-) I think that's the wrong way around. We unconditionally select PM on 64-bit ARM already, and I think we should do the same on 32-bit ARM. There's really no excuse not to enable runtime PM these days. Thierry
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