Commit 5481c8fb authored by Daniel Vetter's avatar Daniel Vetter Committed by Jani Nikula

drm/atomic-helper: Check encoder/crtc constraints

This was totally lost when I originally created the atomic helpers.

We probably should also check possible_clones in the helpers, but
since the legacy ones didn't do that this is for a separate patch.
Reported-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Daniel Stone <daniels@collabora.com>
Reviewed-by: default avatarDaniel Stone <daniels@collabora.com>
Reviewed-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@intel.com>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1447868808-10266-1-git-send-email-daniel.vetter@ffwll.ch
parent 83926117
...@@ -210,6 +210,14 @@ update_connector_routing(struct drm_atomic_state *state, int conn_idx) ...@@ -210,6 +210,14 @@ update_connector_routing(struct drm_atomic_state *state, int conn_idx)
return -EINVAL; return -EINVAL;
} }
if (!drm_encoder_crtc_ok(new_encoder, connector_state->crtc)) {
DRM_DEBUG_ATOMIC("[ENCODER:%d:%s] incompatible with [CRTC:%d]\n",
new_encoder->base.id,
new_encoder->name,
connector_state->crtc->base.id);
return -EINVAL;
}
if (new_encoder == connector_state->best_encoder) { if (new_encoder == connector_state->best_encoder) {
DRM_DEBUG_ATOMIC("[CONNECTOR:%d:%s] keeps [ENCODER:%d:%s], now on [CRTC:%d]\n", DRM_DEBUG_ATOMIC("[CONNECTOR:%d:%s] keeps [ENCODER:%d:%s], now on [CRTC:%d]\n",
connector->base.id, connector->base.id,
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment