Merge branch 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild

[firefly-linux-kernel-4.4.55.git] / include / drm / drm_atomic.h

diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index 55f46049e4a0e86b730178df5859b8eb7809926e..8a3a913320ebb10647fea413430a3871f1f34eb1 100644 (file)
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -142,26 +142,32 @@ int __must_check drm_atomic_async_commit(struct drm_atomic_state *state);
 
 #define for_each_connector_in_state(state, connector, connector_state, __i) \
        for ((__i) = 0;                                                 \
-            (connector) = (state)->connectors[__i],                    \
-            (connector_state) = (state)->connector_states[__i],        \
-            (__i) < (state)->num_connector;                            \
+            (__i) < (state)->num_connector &&                          \
+            ((connector) = (state)->connectors[__i],                   \
+            (connector_state) = (state)->connector_states[__i], 1);    \
             (__i)++)                                                   \
                if (connector)
 
 #define for_each_crtc_in_state(state, crtc, crtc_state, __i)   \
        for ((__i) = 0;                                         \
-            (crtc) = (state)->crtcs[__i],                      \
-            (crtc_state) = (state)->crtc_states[__i],          \
-            (__i) < (state)->dev->mode_config.num_crtc;        \
+            (__i) < (state)->dev->mode_config.num_crtc &&      \
+            ((crtc) = (state)->crtcs[__i],                     \
+            (crtc_state) = (state)->crtc_states[__i], 1);      \
             (__i)++)                                           \
                if (crtc_state)
 
-#define for_each_plane_in_state(state, plane, plane_state, __i)        \
-       for ((__i) = 0;                                         \
-            (plane) = (state)->planes[__i],                    \
-            (plane_state) = (state)->plane_states[__i],        \
-            (__i) < (state)->dev->mode_config.num_total_plane; \
-            (__i)++)                                           \
+#define for_each_plane_in_state(state, plane, plane_state, __i)                \
+       for ((__i) = 0;                                                 \
+            (__i) < (state)->dev->mode_config.num_total_plane &&       \
+            ((plane) = (state)->planes[__i],                           \
+            (plane_state) = (state)->plane_states[__i], 1);            \
+            (__i)++)                                                   \
                if (plane_state)
+static inline bool
+drm_atomic_crtc_needs_modeset(struct drm_crtc_state *state)
+{
+       return state->mode_changed || state->active_changed;
+}
+
 
 #endif /* DRM_ATOMIC_H_ */