From: Lin Huang hl@rock-chips.com
There was a 1ms delay to detect the hpd signal, which is too short to detect a short pulse. This patch extends this delay to 100ms.
Cc: Stéphane Marchesin marcheu@chromium.org Cc: 征增 王 wzz@rock-chips.com Signed-off-by: Lin Huang hl@rock-chips.com Signed-off-by: Sean Paul seanpaul@chromium.org Signed-off-by: Thierry Escande thierry.escande@collabora.com Reviewed-by: Andrzej Hajda a.hajda@samsung.com --- 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 fa4ef28e286f..9df92dc54dbe 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); }
/*