diff options
| author | Rob Clark <robdclark@gmail.com> | 2016-03-18 19:14:55 -0400 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-03-31 07:56:48 +0200 |
| commit | 4c5b7f3ae53b02136d38dee46b412ac8a7f6f4ff (patch) | |
| tree | 0bed62a8b9f89fd69539470ba7a8913f572c9750 | |
| parent | 00c9672606f781f2db7e904127dcbdc2831701ca (diff) | |
drm/atomic: export drm_atomic_helper_wait_for_fences()
Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1458342904-23326-3-git-send-email-robdclark@gmail.com
| -rw-r--r-- | drivers/gpu/drm/drm_atomic_helper.c | 15 | ||||
| -rw-r--r-- | include/drm/drm_atomic_helper.h | 2 |
2 files changed, 15 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 91351111d0f9..00afa9ffa7d0 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); diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h index 9054598c9a7a..fe9d89c7d1ed 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); bool drm_atomic_helper_framebuffer_changed(struct drm_device *dev, struct drm_atomic_state *old_state, struct drm_crtc *crtc); |