[PATCH 09/11] drm: bridge: samsung-dsim: Add input_bus_flags

Jagan Teki
2022-04-08T16:26:59Z

eLCDIF is expecting to have input_bus_flags as DE_LOW in order to
set active low during valid data transfer on each horizontal line.

Add DE_LOW flag via drm bridge timings.

v1:
* none

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
---
drivers/gpu/drm/bridge/samsung-dsim.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c
index 02802526f82f..71bbaf19f530 100644
--- a/drivers/gpu/drm/bridge/samsung-dsim.c
+++ b/drivers/gpu/drm/bridge/samsung-dsim.c
@@ -1543,6 +1543,10 @@ __weak void samsung_dsim_plat_remove(struct samsung_dsim *priv)
{
}

+static const struct drm_bridge_timings samsung_dsim_bridge_timings = {
+ .input_bus_flags = DRM_BUS_FLAG_DE_LOW,
+};
+
static int samsung_dsim_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -1622,6 +1626,7 @@ static int samsung_dsim_probe(struct platform_device *pdev)

dsi->bridge.funcs = &samsung_dsim_bridge_funcs;
dsi->bridge.of_node = dev->of_node;
+ dsi->bridge.timings = &samsung_dsim_bridge_timings;
dsi->bridge.type = DRM_MODE_CONNECTOR_DSI;

if (dsi->driver_data->platform_init) {
--
2.25.1