diff options
| author | Rob Clark <robdclark@gmail.com> | 2014-11-12 00:38:59 (GMT) |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2014-11-12 07:55:44 (GMT) |
| commit | 5ee3229c87d396cab3c2dfc335b90320cc4a2f42 (patch) | |
| tree | 64e8a16ac5625a56e669fa1ac04645e117cd9ef1 | |
| parent | 51b44eb17b8ec6c83eac7772b4c8bc5887c5fbf7 (diff) | |
| download | linux-5ee3229c87d396cab3c2dfc335b90320cc4a2f42.tar.xz | |
drm: export atomic wait_for_vblanks helper (v2)
v1: original
v2: danvet's kerneldoc nitpicks
Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/drm_atomic_helper.c | 17 | ||||
| -rw-r--r-- | include/drm/drm_atomic_helper.h | 3 |
2 files changed, 17 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index ca839bd..fad2b93 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -754,8 +754,18 @@ static void wait_for_fences(struct drm_device *dev, } } -static void -wait_for_vblanks(struct drm_device *dev, struct drm_atomic_state *old_state) +/** + * drm_atomic_helper_wait_for_vblanks - wait for vblank on crtcs + * @dev: DRM device + * @old_state: atomic state object with old state structures + * + * Helper to, after atomic commit, wait for vblanks on all effected + * crtcs (ie. before cleaning up old framebuffers using + * drm_atomic_helper_cleanup_planes()) + */ +void +drm_atomic_helper_wait_for_vblanks(struct drm_device *dev, + struct drm_atomic_state *old_state) { struct drm_crtc *crtc; struct drm_crtc_state *old_crtc_state; @@ -800,6 +810,7 @@ wait_for_vblanks(struct drm_device *dev, struct drm_atomic_state *old_state) drm_crtc_vblank_put(crtc); } } +EXPORT_SYMBOL(drm_atomic_helper_wait_for_vblanks); /** * drm_atomic_helper_commit - commit validated state object @@ -859,7 +870,7 @@ int drm_atomic_helper_commit(struct drm_device *dev, drm_atomic_helper_commit_post_planes(dev, state); - wait_for_vblanks(dev, state); + drm_atomic_helper_wait_for_vblanks(dev, state); drm_atomic_helper_cleanup_planes(dev, state); diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h index 67e3c46..64b4e91 100644 --- a/include/drm/drm_atomic_helper.h +++ b/include/drm/drm_atomic_helper.h @@ -34,6 +34,9 @@ int drm_atomic_helper_commit(struct drm_device *dev, struct drm_atomic_state *state, bool async); +void drm_atomic_helper_wait_for_vblanks(struct drm_device *dev, + struct drm_atomic_state *old_state); + void drm_atomic_helper_commit_pre_planes(struct drm_device *dev, struct drm_atomic_state *state); void drm_atomic_helper_commit_post_planes(struct drm_device *dev, |