On Fri, Mar 31, 2023 at 5:02 AM Pin-yen Lin <treapking@xxxxxxxxxxxx> wrote: > > The default hpd_wait_us in panel_edp.c is 2 seconds. This makes the > sleep time in the polling of _ps8640_wait_hpd_asserted become 200ms. > Change it to a constant 20ms to speed up the function. > > Signed-off-by: Pin-yen Lin <treapking@xxxxxxxxxxxx> > --- > > drivers/gpu/drm/bridge/parade-ps8640.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/bridge/parade-ps8640.c b/drivers/gpu/drm/bridge/parade-ps8640.c > index b823e55650b1..c3eb45179405 100644 > --- a/drivers/gpu/drm/bridge/parade-ps8640.c > +++ b/drivers/gpu/drm/bridge/parade-ps8640.c > @@ -184,7 +184,7 @@ static int _ps8640_wait_hpd_asserted(struct ps8640 *ps_bridge, unsigned long wai > * actually connected to GPIO9). > */ > ret = regmap_read_poll_timeout(map, PAGE2_GPIO_H, status, > - status & PS_GPIO9, wait_us / 10, wait_us); > + status & PS_GPIO9, 20000, wait_us); > > /* > * The first time we see HPD go high after a reset we delay an extra > -- > 2.40.0.348.gf938b09366-goog > Snoozing for a few days before applying. Reviewed-by: Robert Foss <rfoss@xxxxxxxxxx>
