diff options
Diffstat (limited to 'drivers/gpu')
-rw-r--r-- | drivers/gpu/drm/drm_atomic_helper.c | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index f5b2a688eb0d..799c1564a4f8 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -1065,41 +1065,6 @@ 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 |