From: Daniel Kurtz djkurtz@chromium.org
This is useful for drivers that want to implement async commits, but need to wait on per-plane fences.
Signed-off-by: Daniel Kurtz djkurtz@chromium.org Signed-off-by: Philipp Zabel p.zabel@pengutronix.de --- drivers/gpu/drm/drm_atomic_helper.c | 7 ++++--- include/drm/drm_atomic_helper.h | 2 ++ 2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 0c6f621..ce84d99 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -886,8 +886,8 @@ void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev, } EXPORT_SYMBOL(drm_atomic_helper_commit_modeset_enables);
-static void wait_for_fences(struct drm_device *dev, - struct drm_atomic_state *state) +void drm_atomic_helper_wait_for_fences(struct drm_device *dev, + struct drm_atomic_state *state) { struct drm_plane *plane; struct drm_plane_state *plane_state; @@ -904,6 +904,7 @@ static void wait_for_fences(struct drm_device *dev, plane->state->fence = NULL; } } +EXPORT_SYMBOL(drm_atomic_helper_wait_for_fences);
static bool framebuffer_changed(struct drm_device *dev, struct drm_atomic_state *old_state, @@ -1049,7 +1050,7 @@ int drm_atomic_helper_commit(struct drm_device *dev, * current layout. */
- wait_for_fences(dev, state); + drm_atomic_helper_wait_for_fences(dev, state);
drm_atomic_helper_commit_modeset_disables(dev, state);
diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h index 8cba54a..92b5699 100644 --- a/include/drm/drm_atomic_helper.h +++ b/include/drm/drm_atomic_helper.h @@ -42,6 +42,8 @@ int drm_atomic_helper_commit(struct drm_device *dev, struct drm_atomic_state *state, bool async);
+void drm_atomic_helper_wait_for_fences(struct drm_device *dev, + struct drm_atomic_state *state); void drm_atomic_helper_wait_for_vblanks(struct drm_device *dev, struct drm_atomic_state *old_state);