[PATCH 4/6] drm: Allow drivers to register cursor planes with crtc

[Matt Roper]

Universal plane support had placeholders for cursor planes, but didn't
actually do anything with them.  Save the cursor plane reference inside
the crtc and update the cursor plane parameter from void* to drm_plane.

Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>
Signed-off-by: Matt Roper <matthew.d.roper at intel.com>
---
 drivers/gpu/drm/drm_crtc.c | 5 ++++-
 include/drm/drm_crtc.h     | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index a3ebc45..e32d03f 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -691,7 +691,7 @@ EXPORT_SYMBOL(drm_framebuffer_remove);
  */
 int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc,
 			      struct drm_plane *primary,
-			      void *cursor,
+			      struct drm_plane *cursor,
 			      const struct drm_crtc_funcs *funcs)
 {
 	int ret;
@@ -714,8 +714,11 @@ int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc,
 	dev->mode_config.num_crtc++;
 
 	crtc->primary = primary;
+	crtc->cursor = cursor;
 	if (primary)
 		primary->possible_crtcs = 1 << drm_crtc_index(crtc);
+	if (cursor)
+		cursor->possible_crtcs = 1 << drm_crtc_index(crtc);
 
  out:
 	drm_modeset_unlock_all(dev);
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 9ed4d1f..d55eb0d 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -838,7 +838,7 @@ extern void drm_warn_on_modeset_not_all_locked(struct drm_device *dev);
 extern int drm_crtc_init_with_planes(struct drm_device *dev,
 				     struct drm_crtc *crtc,
 				     struct drm_plane *primary,
-				     void *cursor,
+				     struct drm_plane *cursor,
 				     const struct drm_crtc_funcs *funcs);
 extern int drm_crtc_init(struct drm_device *dev,
 			 struct drm_crtc *crtc,
-- 
1.8.5.1