[PATCH] drm/bridge: ti-sn65dsi83: Fix delay after reset deassert to match spec

[Alexander Stein]

Am Dienstag, 22. November 2022, 09:12:18 CET schrieb Frieder Schrempf:
> From: Frieder Schrempf <frieder.schrempf at kontron.de>
> 
> The datasheet specifies a delay of 10 milliseconds, but the current
> driver only waits for 1 ms. Fix this to make sure the initialization
> sequence meets the spec.
> 
> Fixes: ceb515ba29ba ("drm/bridge: ti-sn65dsi83: Add TI SN65DSI83 and
> SN65DSI84 driver") Signed-off-by: Frieder Schrempf
> <frieder.schrempf at kontron.de>
> ---
>  drivers/gpu/drm/bridge/ti-sn65dsi83.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi83.c
> b/drivers/gpu/drm/bridge/ti-sn65dsi83.c index 7ba9467fff12..047c14ddbbf1
> 100644
> --- a/drivers/gpu/drm/bridge/ti-sn65dsi83.c
> +++ b/drivers/gpu/drm/bridge/ti-sn65dsi83.c
> @@ -346,7 +346,7 @@ static void sn65dsi83_atomic_enable(struct drm_bridge
> *bridge,
> 
>  	/* Deassert reset */
>  	gpiod_set_value_cansleep(ctx->enable_gpio, 1);
> -	usleep_range(1000, 1100);
> +	usleep_range(10000, 11000);
> 
>  	/* Get the LVDS format from the bridge state. */
>  	bridge_state = drm_atomic_get_new_bridge_state(state, bridge);

How about using fsleep?

Either way:
Reviewed-by: Alexander Stein <alexander.stein at ew.tq-group.com>