diff options
Diffstat (limited to 'drivers/gpu/drm/drm_atomic_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_atomic_helper.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 4befe25c81c7..7bf678ee7f81 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -984,7 +984,17 @@ 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, +/** + * drm_atomic_helper_wait_for_fences - wait for fences stashed in plane state + * @dev: DRM device + * @state: atomic state object with old state structures + * + * For implicit sync, driver should fish the exclusive fence out from the + * incoming fb's and stash it in the drm_plane_state. This is called after + * drm_atomic_helper_swap_state() so it uses the current plane state (and + * just uses the atomic state to find the changed planes) + */ +void drm_atomic_helper_wait_for_fences(struct drm_device *dev, struct drm_atomic_state *state) { struct drm_plane *plane; @@ -1002,6 +1012,7 @@ static void wait_for_fences(struct drm_device *dev, plane->state->fence = NULL; } } +EXPORT_SYMBOL(drm_atomic_helper_wait_for_fences); /** * drm_atomic_helper_framebuffer_changed - check if framebuffer has changed @@ -1163,7 +1174,7 @@ 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); |
