[PATCH 22/41] drm/bridge: analogix_dp: Extend hpd check time to 100ms

[Sean Paul]

From: Lin Huang <hl at rock-chips.com>

We only allocated 1ms to detect the hpd signal before, it too short to detect
a short pulse (hpd signal), extend it to 100ms.

Cc: Stéphane Marchesin <marcheu at chromium.org>
Cc: 征增 王 <wzz at rock-chips.com>
Signed-off-by: Lin Huang <hl at rock-chips.com>
Signed-off-by: Sean Paul <seanpaul at chromium.org>
---
 drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index 3b2d53935ae9..043641aa0a6f 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -76,7 +76,7 @@ static int analogix_dp_detect_hpd(struct analogix_dp_device *dp)
 			return 0;
 
 		timeout_loop++;
-		usleep_range(10, 11);
+		usleep_range(1000, 1100);
 	}
 
 	/*
-- 
2.12.0.246.ga2ecc84866-goog