This function is now completely unused, zap it.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/drm_atomic_helper.c | 35 -----------------------------------
include/drm/drm_atomic_helper.h | 3 ---
2 files changed, 38 deletions(-)
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index fdeaea84a3b7..69ee1a94e851 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -1058,41 +1058,6 @@ int drm_atomic_helper_wait_for_fences(struct drm_device *dev,
EXPORT_SYMBOL(drm_atomic_helper_wait_for_fences);
/**
- * drm_atomic_helper_framebuffer_changed - check if framebuffer has changed
- * @dev: DRM device
- * @old_state: atomic state object with old state structures
- * @crtc: DRM crtc
- *
- * Checks whether the framebuffer used for this CRTC changes as a result of
- * the atomic update. This is useful for drivers which cannot use
- * drm_atomic_helper_wait_for_vblanks() and need to reimplement its
- * functionality.
- *
- * Returns:
- * true if the framebuffer changed.
- */
-bool drm_atomic_helper_framebuffer_changed(struct drm_device *dev,
- struct drm_atomic_state *old_state,
- struct drm_crtc *crtc)
-{
- struct drm_plane *plane;
- struct drm_plane_state *old_plane_state;
- int i;
-
- for_each_plane_in_state(old_state, plane, old_plane_state, i) {
- if (plane->state->crtc != crtc &&
- old_plane_state->crtc != crtc)
- continue;
-
- if (plane->state->fb != old_plane_state->fb)
- return true;
- }
-
- return false;
-}
-EXPORT_SYMBOL(drm_atomic_helper_framebuffer_changed);
-
-/**
* drm_atomic_helper_wait_for_vblanks - wait for vblank on crtcs
* @dev: DRM device
* @old_state: atomic state object with old state structures
diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h
index 7ff92b09fd9c..4b2353dc34ba 100644
--- a/include/drm/drm_atomic_helper.h
+++ b/include/drm/drm_atomic_helper.h
@@ -48,9 +48,6 @@ int drm_atomic_helper_commit(struct drm_device *dev,
int drm_atomic_helper_wait_for_fences(struct drm_device *dev,
struct drm_atomic_state *state,
bool pre_swap);
-bool drm_atomic_helper_framebuffer_changed(struct drm_device *dev,
- struct drm_atomic_state *old_state,
- struct drm_crtc *crtc);
void drm_atomic_helper_wait_for_vblanks(struct drm_device *dev,
struct drm_atomic_state *old_state);
--
2.7.4
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