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.
Signed-off-by: Nikhil Devshatwar <nikhil.nd@xxxxxx>
---
drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c | 6 ++++++
drivers/gpu/drm/bridge/ti-tfp410.c | 1 +
2 files changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c
index 2cd809eed827..9c17e4bb517e 100644
--- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c
+++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c
@@ -2121,6 +2121,12 @@ static int cdns_mhdp_atomic_check(struct drm_bridge *bridge,
return -EINVAL;
}
+ /*
+ * There might be flags negotiation supported in future
+ * Set the bus flags in atomic_check statically for now
+ */
+ bridge_state->input_bus_cfg.flags = bridge->timings->input_bus_flags;
+
mutex_unlock(&mhdp->link_mutex);
return 0;
}
diff --git a/drivers/gpu/drm/bridge/ti-tfp410.c b/drivers/gpu/drm/bridge/ti-tfp410.c
index 4c536df003c8..9035d2145a28 100644
--- a/drivers/gpu/drm/bridge/ti-tfp410.c
+++ b/drivers/gpu/drm/bridge/ti-tfp410.c
@@ -245,6 +245,7 @@ int tfp410_atomic_check(struct drm_bridge *bridge,
* 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 = {
--
2.17.1
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