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
