[PATCH 04/26] drm/rcar-du: Use for_each_*_in_state

[Daniel Vetter]

We want to hide drm_atomic_state internals better.

Cc: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
---
 drivers/gpu/drm/rcar-du/rcar_du_kms.c   |  8 ++++----
 drivers/gpu/drm/rcar-du/rcar_du_plane.c | 20 ++++++++------------
 2 files changed, 12 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
index e70a4f33d970..f315c55c1f65 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
@@ -288,6 +288,8 @@ static int rcar_du_atomic_commit(struct drm_device *dev,
 {
 	struct rcar_du_device *rcdu = dev->dev_private;
 	struct rcar_du_commit *commit;
+	struct drm_crtc *crtc;
+	struct drm_crtc_state *crtc_state;
 	unsigned int i;
 	int ret;
 
@@ -309,10 +311,8 @@ static int rcar_du_atomic_commit(struct drm_device *dev,
 	/* Wait until all affected CRTCs have completed previous commits and
 	 * mark them as pending.
 	 */
-	for (i = 0; i < dev->mode_config.num_crtc; ++i) {
-		if (state->crtcs[i])
-			commit->crtcs |= 1 << drm_crtc_index(state->crtcs[i]);
-	}
+	for_each_crtc_in_state(state, crtc, crtc_state, i)
+		commit->crtcs |= 1 << drm_crtc_index(crtc);
 
 	spin_lock(&rcdu->commit.wait.lock);
 	ret = wait_event_interruptible_locked(rcdu->commit.wait,
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.c b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
index d445e67f78e1..bfe31ca870cc 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_plane.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
@@ -140,18 +140,17 @@ int rcar_du_atomic_check_planes(struct drm_device *dev,
 	bool needs_realloc = false;
 	unsigned int groups = 0;
 	unsigned int i;
+	struct drm_plane *drm_plane;
+	struct drm_plane_state *drm_plane_state;
 
 	/* Check if hardware planes need to be reallocated. */
-	for (i = 0; i < dev->mode_config.num_total_plane; ++i) {
+	for_each_plane_in_state(state, drm_plane, drm_plane_state, i) {
 		struct rcar_du_plane_state *plane_state;
 		struct rcar_du_plane *plane;
 		unsigned int index;
 
-		if (!state->planes[i])
-			continue;
-
-		plane = to_rcar_plane(state->planes[i]);
-		plane_state = to_rcar_plane_state(state->plane_states[i]);
+		plane = to_rcar_plane(drm_plane);
+		plane_state = to_rcar_plane_state(drm_plane_state);
 
 		dev_dbg(rcdu->dev, "%s: checking plane (%u,%tu)\n", __func__,
 			plane->group->index, plane - plane->group->planes);
@@ -247,18 +246,15 @@ int rcar_du_atomic_check_planes(struct drm_device *dev,
 	}
 
 	/* Reallocate hardware planes for each plane that needs it. */
-	for (i = 0; i < dev->mode_config.num_total_plane; ++i) {
+	for_each_plane_in_state(state, drm_plane, drm_plane_state, i) {
 		struct rcar_du_plane_state *plane_state;
 		struct rcar_du_plane *plane;
 		unsigned int crtc_planes;
 		unsigned int free;
 		int idx;
 
-		if (!state->planes[i])
-			continue;
-
-		plane = to_rcar_plane(state->planes[i]);
-		plane_state = to_rcar_plane_state(state->plane_states[i]);
+		plane = to_rcar_plane(drm_plane);
+		plane_state = to_rcar_plane_state(drm_plane_state);
 
 		dev_dbg(rcdu->dev, "%s: allocating plane (%u,%tu)\n", __func__,
 			plane->group->index, plane - plane->group->planes);
-- 
2.8.1