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authorRob Clark <robdclark@gmail.com>2016-03-18 23:14:55 (GMT)
committerDaniel Vetter <daniel.vetter@ffwll.ch>2016-03-31 05:56:48 (GMT)
commit4c5b7f3ae53b02136d38dee46b412ac8a7f6f4ff (patch)
tree0bed62a8b9f89fd69539470ba7a8913f572c9750 /drivers/gpu/drm/drm_atomic_helper.c
parent00c9672606f781f2db7e904127dcbdc2831701ca (diff)
downloadlinux-4c5b7f3ae53b02136d38dee46b412ac8a7f6f4ff.tar.xz
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
Diffstat (limited to 'drivers/gpu/drm/drm_atomic_helper.c')
-rw-r--r--drivers/gpu/drm/drm_atomic_helper.c15
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 9135111..00afa9f 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);