Hi Jyri,
Thank you for the patch.
On Wed, Feb 27, 2019 at 11:54:19PM +0200, Jyri Sarha wrote:
> From: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
>
> The driver always sets InputBusFmt:EDGE to 0 (falling edge).
>
> Add drm_bridge_timings's input_bus_flags to reflect that the bridge
> samples on falling edges.
>
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
> Signed-off-by: Jyri Sarha <jsarha@xxxxxx>
> Reviewed-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/bridge/sii902x.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
> index bfa902013aa4..1afa000141d5 100644
> --- a/drivers/gpu/drm/bridge/sii902x.c
> +++ b/drivers/gpu/drm/bridge/sii902x.c
> @@ -459,6 +459,12 @@ static int sii902x_i2c_bypass_deselect(struct i2c_mux_core *mux, u32 chan_id)
> return 0;
> }
>
> +static const struct drm_bridge_timings default_sii902x_timings = {
> + .input_bus_flags = DRM_BUS_FLAG_PIXDATA_SAMPLE_NEGEDGE
> + | DRM_BUS_FLAG_SYNC_SAMPLE_NEGEDGE
> + | DRM_BUS_FLAG_DE_HIGH,
> +};
> +
Should you add a comment where the drive sets the EDGE bit to 0 to state
that default_sii902x_timings should then be made dynamic ? I suppose it
would be hard to miss that though, so maybe it's overkill. In any case,
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> static int sii902x_probe(struct i2c_client *client,
> const struct i2c_device_id *id)
> {
> @@ -529,6 +535,7 @@ static int sii902x_probe(struct i2c_client *client,
>
> sii902x->bridge.funcs = &sii902x_bridge_funcs;
> sii902x->bridge.of_node = dev->of_node;
> + sii902x->bridge.timings = &default_sii902x_timings;
> drm_bridge_add(&sii902x->bridge);
>
> i2c_set_clientdata(client, sii902x);
--
Regards,
Laurent Pinchart
