This bridge is never a tail bridge, i.e. it always needs a following bridge to complete the pipeline. Add a is_tail func to expose this.
Signed-off-by: Luca Ceresoli <[email protected]> --- drivers/gpu/drm/bridge/samsung-dsim.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c index 3c70a45c5dce..55f4b0f16ade 100644 --- a/drivers/gpu/drm/bridge/samsung-dsim.c +++ b/drivers/gpu/drm/bridge/samsung-dsim.c @@ -1716,6 +1716,11 @@ static const u32 samsung_dsim_pixel_output_fmts[] = { MEDIA_BUS_FMT_RGB888_1X24, }; +static bool samsung_dsim_is_tail(struct drm_bridge *bridge) +{ + return false; +} + static bool samsung_dsim_pixel_output_fmt_supported(u32 fmt) { int i; @@ -1836,6 +1841,7 @@ static int samsung_dsim_attach(struct drm_bridge *bridge, } static const struct drm_bridge_funcs samsung_dsim_bridge_funcs = { + .is_tail = samsung_dsim_is_tail, .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state, .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state, .atomic_reset = drm_atomic_helper_bridge_reset, @@ -2225,6 +2231,7 @@ int samsung_dsim_probe(struct platform_device *pdev) pm_runtime_enable(dev); + dsi->bridge.ops = DRM_BRIDGE_OP_IS_TAIL; dsi->bridge.of_node = dev->of_node; dsi->bridge.type = DRM_MODE_CONNECTOR_DSI; -- 2.54.0
