From: Frieder Schrempf frieder.schrempf@kontron.de
[ Upstream commit 4b03d5e0d3e86ee492d54254927d020dc0fe8acf ]
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@kontron.de Reviewed-by: Alexander Stein alexander.stein@ew.tq-group.com Signed-off-by: Robert Foss robert.foss@linaro.org Link: https://patchwork.freedesktop.org/patch/msgid/20221122081219.20143-1-frieder... Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/bridge/ti-sn65dsi83.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi83.c b/drivers/gpu/drm/bridge/ti-sn65dsi83.c index c901c0e1a3b04..b3cb910b30852 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi83.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi83.c @@ -381,6 +381,8 @@ static void sn65dsi83_atomic_enable(struct drm_bridge *bridge, u16 val; int ret;
+ usleep_range(10000, 11000); + /* Get the LVDS format from the bridge state. */ bridge_state = drm_atomic_get_new_bridge_state(state, bridge);