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authorBoris Brezillon <boris.brezillon@bootlin.com>2018-07-03 09:50:17 +0200
committerBoris Brezillon <boris.brezillon@bootlin.com>2018-07-07 07:52:18 +0200
commit814bde99ee809c172a409829889d1bafc3e4bcf7 (patch)
treef02af5c8d495c63d9d6f2993c98b142d0363cd4d /drivers/gpu/drm/drm_atomic_helper.c
parent425132fdb169c2a2772190ff56e0e8eea37ff716 (diff)
drm/connector: Make ->atomic_commit() optional
Not all writeback connector implementations might want to commit things from the connector driver. Some, like the malidp driver, commit things from their main commit_tail() function, and would rather not have to implement a dummy hook for drm_connector_helper_funcs.atomic_commit(). Make this function optional and reflect this fact in the doc. Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com> Acked-by: Liviu Dudau <liviu.dudau@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180703075022.15138-4-boris.brezillon@bootlin.com
Diffstat (limited to 'drivers/gpu/drm/drm_atomic_helper.c')
-rw-r--r--drivers/gpu/drm/drm_atomic_helper.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 47e84aa7b6e2..bab8051690bb 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -1184,6 +1184,8 @@ static void drm_atomic_helper_commit_writebacks(struct drm_device *dev,
const struct drm_connector_helper_funcs *funcs;
funcs = connector->helper_private;
+ if (!funcs->atomic_commit)
+ continue;
if (new_conn_state->writeback_job && new_conn_state->writeback_job->fb) {
WARN_ON(connector->connector_type != DRM_MODE_CONNECTOR_WRITEBACK);