From: Lin Huang <hl@xxxxxxxxxxxxxx> 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: St?phane Marchesin <marcheu at chromium.org> Cc: ?? ? <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