drm/msm: Convert to use new iterator macros, v2.

for_each_obj_in_state is about to be removed, so convert
to the new iterator macros.

Just like in omap, use crtc_state->active instead of
crtc_state->enable when waiting for completion.

Changes since v1:
- Fix compilation.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Rob Clark <robdclark@gmail.com>
Cc: Archit Taneja <architt@codeaurora.org>
Cc: Vincent Abriou <vincent.abriou@st.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Rob Herring <robh@kernel.org>
Cc: Markus Elfring <elfring@users.sourceforge.net>
Cc: Sushmita Susheelendra <ssusheel@codeaurora.org>
Cc: linux-arm-msm@vger.kernel.org
Cc: freedreno@lists.freedesktop.org
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: Archit Taneja <architt@codeaurora.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20170719143920.25685-6-maarten.lankhorst@linux.intel.com

drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c

@@ -114,7 +114,7 @@ static void mdp4_prepare_commit(struct msm_kms *kms, struct drm_atomic_state *st
 	mdp4_enable(mdp4_kms);
 
 	/* see 119ecb7fd */
-	for_each_crtc_in_state(state, crtc, crtc_state, i)
+	for_each_new_crtc_in_state(state, crtc, crtc_state, i)
 		drm_crtc_vblank_get(crtc);
 }
 
@@ -126,7 +126,7 @@ static void mdp4_complete_commit(struct msm_kms *kms, struct drm_atomic_state *s
 	struct drm_crtc_state *crtc_state;
 
 	/* see 119ecb7fd */
-	for_each_crtc_in_state(state, crtc, crtc_state, i)
+	for_each_new_crtc_in_state(state, crtc, crtc_state, i)
 		drm_crtc_vblank_put(crtc);
 
 	mdp4_disable(mdp4_kms);

drivers/gpu/drm/msm/msm_atomic.c

@@ -84,13 +84,13 @@ static void msm_atomic_wait_for_commit_done(struct drm_device *dev,
 		struct drm_atomic_state *old_state)
 {
 	struct drm_crtc *crtc;
-	struct drm_crtc_state *crtc_state;
+	struct drm_crtc_state *new_crtc_state;
 	struct msm_drm_private *priv = old_state->dev->dev_private;
 	struct msm_kms *kms = priv->kms;
 	int i;
 
-	for_each_crtc_in_state(old_state, crtc, crtc_state, i) {
-		if (!crtc->state->enable)
+	for_each_new_crtc_in_state(old_state, crtc, new_crtc_state, i) {
+		if (!new_crtc_state->active)
 			continue;
 
 		kms->funcs->wait_for_crtc_commit_done(kms, crtc);
@@ -195,7 +195,7 @@ int msm_atomic_commit(struct drm_device *dev,
 	struct drm_crtc *crtc;
 	struct drm_crtc_state *crtc_state;
 	struct drm_plane *plane;
-	struct drm_plane_state *plane_state;
+	struct drm_plane_state *old_plane_state, *new_plane_state;
 	int i, ret;
 
 	ret = drm_atomic_helper_prepare_planes(dev, state);
@@ -211,19 +211,19 @@ int msm_atomic_commit(struct drm_device *dev,
 	/*
 	 * Figure out what crtcs we have:
 	 */
-	for_each_crtc_in_state(state, crtc, crtc_state, i)
+	for_each_new_crtc_in_state(state, crtc, crtc_state, i)
 		c->crtc_mask |= drm_crtc_mask(crtc);
 
 	/*
 	 * Figure out what fence to wait for:
 	 */
-	for_each_plane_in_state(state, plane, plane_state, i) {
-		if ((plane->state->fb != plane_state->fb) && plane_state->fb) {
-			struct drm_gem_object *obj = msm_framebuffer_bo(plane_state->fb, 0);
+	for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, i) {
+		if ((new_plane_state->fb != old_plane_state->fb) && new_plane_state->fb) {
+			struct drm_gem_object *obj = msm_framebuffer_bo(new_plane_state->fb, 0);
 			struct msm_gem_object *msm_obj = to_msm_bo(obj);
 			struct dma_fence *fence = reservation_object_get_excl_rcu(msm_obj->resv);
 
-			drm_atomic_set_fence_for_plane(plane_state, fence);
+			drm_atomic_set_fence_for_plane(new_plane_state, fence);
 		}
 	}