drm/atomic: Handle funcs->best_encoder == NULL case

Fallback drm_atomic_helper_best_encoder() is funcs->best_encoder() is NULL
so that DRM drivers can leave this hook unassigned if they know they want
to use drm_atomic_helper_best_encoder().

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20160601180337.28e0917b@bbrezillon
This commit is contained in:
Boris Brezillon 2016-06-01 18:03:37 +02:00 committed by Daniel Vetter
parent 66fd7a66e8
commit a0909cc574

View File

@ -110,8 +110,10 @@ static int handle_conflicting_encoders(struct drm_atomic_state *state,
if (funcs->atomic_best_encoder)
new_encoder = funcs->atomic_best_encoder(connector, conn_state);
else
else if (funcs->best_encoder)
new_encoder = funcs->best_encoder(connector);
else
new_encoder = drm_atomic_helper_best_encoder(connector);
if (new_encoder) {
if (encoder_mask & (1 << drm_encoder_index(new_encoder))) {