From a0909cc574a94213423d45ffa12df2564e78679f Mon Sep 17 00:00:00 2001 From: Boris Brezillon Date: Wed, 1 Jun 2016 18:03:37 +0200 Subject: [PATCH] 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 Signed-off-by: Daniel Vetter Link: http://patchwork.freedesktop.org/patch/msgid/20160601180337.28e0917b@bbrezillon --- drivers/gpu/drm/drm_atomic_helper.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 939df900dcaa..599842ca0c64 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -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))) { -- 2.20.1