Hoegeun Kwon <hoegeun.k...@samsung.com> writes: > There is a problem when often dpms goes from off to on. pm idle is not > in sync and the problem occurs. Modify pm_runtime_put from > asynchronous to synchronous.
Why would we need the power domain to go to off before we try to come back? Any idea? Also, please specify what "the problem" is. > > Signed-off-by: Hoegeun Kwon <hoegeun.k...@samsung.com> > --- > drivers/gpu/drm/vc4/vc4_dsi.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/vc4/vc4_dsi.c b/drivers/gpu/drm/vc4/vc4_dsi.c > index 11702e1d9011..b0264c7b8bed 100644 > --- a/drivers/gpu/drm/vc4/vc4_dsi.c > +++ b/drivers/gpu/drm/vc4/vc4_dsi.c > @@ -822,7 +822,7 @@ static void vc4_dsi_encoder_disable(struct drm_encoder > *encoder) > clk_disable_unprepare(dsi->escape_clock); > clk_disable_unprepare(dsi->pixel_clock); > > - pm_runtime_put(dev); > + pm_runtime_put_sync(dev); > } > > /* Extends the mode's blank intervals to handle BCM2835's integer-only > -- > 2.17.1
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