input_bus_flags are specified in drm_bridge_timings (legacy) as well
as drm_bridge_state->input_bus_cfg.flags
The flags from the timings will be deprecated. Bridges are supposed
to validate and set the bridge state flags from atomic_check.
Implement atomic_check hook for the same.
Signed-off-by: Nikhil Devshatwar <nikhil.nd@ti.com>
Signed-off-by: Aradhya Bhatia <a-bhatia1@ti.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230606082142.23760-3-a-bhatia1@ti.com
+static int tfp410_atomic_check(struct drm_bridge *bridge,
+ struct drm_bridge_state *bridge_state,
+ struct drm_crtc_state *crtc_state,
+ struct drm_connector_state *conn_state)
+{
+ struct tfp410 *dvi = drm_bridge_to_tfp410(bridge);
+
+ /*
+ * There might be flags negotiation supported in future.
+ * Set the bus flags in atomic_check statically for now.
+ */
+ bridge_state->input_bus_cfg.flags = dvi->timings.input_bus_flags;
+
+ return 0;
+}
+
static const struct drm_bridge_funcs tfp410_bridge_funcs = {
.attach = tfp410_attach,
.detach = tfp410_detach,
static const struct drm_bridge_funcs tfp410_bridge_funcs = {
.attach = tfp410_attach,
.detach = tfp410_detach,
.atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_bridge_destroy_state,
.atomic_get_input_bus_fmts = tfp410_get_input_bus_fmts,
.atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_bridge_destroy_state,
.atomic_get_input_bus_fmts = tfp410_get_input_bus_fmts,
+ .atomic_check = tfp410_atomic_check,
};
static const struct drm_bridge_timings tfp410_default_timings = {
};
static const struct drm_bridge_timings tfp410_default_timings = {