These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / gpu / drm / drm_plane_helper.c

diff --git a/kernel/drivers/gpu/drm/drm_plane_helper.c b/kernel/drivers/gpu/drm/drm_plane_helper.c
index 2f0ed11..d384ebc 100644 (file)
--- a/kernel/drivers/gpu/drm/drm_plane_helper.c
+++ b/kernel/drivers/gpu/drm/drm_plane_helper.c
@@ -91,13 +91,14 @@ static int get_connectors_for_crtc(struct drm_crtc *crtc,
         */
        WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex));
 
-       list_for_each_entry(connector, &dev->mode_config.connector_list, head)
+       drm_for_each_connector(connector, dev) {
                if (connector->encoder && connector->encoder->crtc == crtc) {
                        if (connector_list != NULL && count < num_connectors)
                                *(connector_list++) = connector;
 
                        count++;
                }
+       }
 
        return count;
 }
@@ -425,7 +426,7 @@ int drm_plane_helper_commit(struct drm_plane *plane,
 
        if (plane_funcs->prepare_fb && plane_state->fb &&
            plane_state->fb != old_fb) {
-               ret = plane_funcs->prepare_fb(plane, plane_state->fb,
+               ret = plane_funcs->prepare_fb(plane,
                                              plane_state);
                if (ret)
                        goto out;
@@ -436,7 +437,7 @@ int drm_plane_helper_commit(struct drm_plane *plane,
 
        for (i = 0; i < 2; i++) {
                if (crtc_funcs[i] && crtc_funcs[i]->atomic_begin)
-                       crtc_funcs[i]->atomic_begin(crtc[i]);
+                       crtc_funcs[i]->atomic_begin(crtc[i], crtc[i]->state);
        }
 
        /*
@@ -451,7 +452,7 @@ int drm_plane_helper_commit(struct drm_plane *plane,
 
        for (i = 0; i < 2; i++) {
                if (crtc_funcs[i] && crtc_funcs[i]->atomic_flush)
-                       crtc_funcs[i]->atomic_flush(crtc[i]);
+                       crtc_funcs[i]->atomic_flush(crtc[i], crtc[i]->state);
        }
 
        /*
@@ -478,8 +479,8 @@ int drm_plane_helper_commit(struct drm_plane *plane,
                ret = 0;
        }
 
-       if (plane_funcs->cleanup_fb && old_fb)
-               plane_funcs->cleanup_fb(plane, old_fb, plane_state);
+       if (plane_funcs->cleanup_fb)
+               plane_funcs->cleanup_fb(plane, plane_state);
 out:
        if (plane_state) {
                if (plane->funcs->atomic_destroy_state)
@@ -525,10 +526,12 @@ int drm_plane_helper_update(struct drm_plane *plane, struct drm_crtc *crtc,
 
        if (plane->funcs->atomic_duplicate_state)
                plane_state = plane->funcs->atomic_duplicate_state(plane);
-       else if (plane->state)
+       else {
+               if (!plane->state)
+                       drm_atomic_helper_plane_reset(plane);
+
                plane_state = drm_atomic_helper_plane_duplicate_state(plane);
-       else
-               plane_state = kzalloc(sizeof(*plane_state), GFP_KERNEL);
+       }
        if (!plane_state)
                return -ENOMEM;
        plane_state->plane = plane;
@@ -572,10 +575,12 @@ int drm_plane_helper_disable(struct drm_plane *plane)
 
        if (plane->funcs->atomic_duplicate_state)
                plane_state = plane->funcs->atomic_duplicate_state(plane);
-       else if (plane->state)
+       else {
+               if (!plane->state)
+                       drm_atomic_helper_plane_reset(plane);
+
                plane_state = drm_atomic_helper_plane_duplicate_state(plane);
-       else
-               plane_state = kzalloc(sizeof(*plane_state), GFP_KERNEL);
+       }
        if (!plane_state)
                return -ENOMEM;
        plane_state->plane = plane;