[RFC PATCH 8/8] drm: bridge/analogix_dp: expand the delay time for hpd detect

Yakir Yang
2015-08-06T14:32:29Z

Some edp screen with no hpd signal would need some delay time
to ensure that screen would be ready for work, so we can expand
the delay time in hpd detect function, it works prefectly on my
rk3288 sdk board.

Signed-off-by: Yakir Yang <ykk@rock-chips.com>
---
drivers/gpu/drm/bridge/analogix_dp_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix_dp_core.c
index 7e67f19..447c94d 100644
--- a/drivers/gpu/drm/bridge/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix_dp_core.c
@@ -73,7 +73,7 @@ static int analogix_dp_detect_hpd(struct analogix_dp_device *dp)
return 0;

timeout_loop++;
- usleep_range(10, 11);
+ usleep_range(100, 110);
}

/*
--
2.1.2