On Saturday 10 March 2018 03:53 AM, Enric Balletbo i Serra wrote: > From: Lin Huang <hl at 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. > Reviewed-by: Archit Taneja <architt at codeaurora.org> Thanks, Archit > 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> > Signed-off-by: Thierry Escande <thierry.escande at collabora.com> > Reviewed-by: Andrzej Hajda <a.hajda at samsung.com> > Signed-off-by: Enric Balletbo i Serra <enric.balletbo at collabora.com> > Tested-by: Marek Szyprowski <m.szyprowski at 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 3a222e7e46ee..6cbde8473f58 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); > } > > /* >