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.
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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