drm/msm: loop over encoders using drm_for_each_encoder()

Rather than manually looping over encoders array, use standard
drm_for_each_encoder() macro.
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/480942/
Link: https://lore.kernel.org/r/20220406101247.483649-3-dmitry.baryshkov@linaro.orgSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c

@@ -685,6 +685,7 @@ static int _dpu_kms_drm_obj_init(struct dpu_kms *dpu_kms)
 	struct drm_plane *primary_planes[MAX_PLANES], *plane;
 	struct drm_plane *cursor_planes[MAX_PLANES] = { NULL };
 	struct drm_crtc *crtc;
+	struct drm_encoder *encoder;
 
 	struct msm_drm_private *priv;
 	struct dpu_mdss_cfg *catalog;
@@ -749,8 +750,8 @@ static int _dpu_kms_drm_obj_init(struct dpu_kms *dpu_kms)
 	}
 
 	/* All CRTCs are compatible with all encoders */
-	for (i = 0; i < priv->num_encoders; i++)
-		priv->encoders[i]->possible_crtcs = (1 << priv->num_crtcs) - 1;
+	drm_for_each_encoder(encoder, dev)
+		encoder->possible_crtcs = (1 << priv->num_crtcs) - 1;
 
 	return 0;
 }

drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c

@@ -437,6 +437,7 @@ static int modeset_init(struct mdp5_kms *mdp5_kms)
 	int i, ret, pi = 0, ci = 0;
 	struct drm_plane *primary[MAX_BASES] = { NULL };
 	struct drm_plane *cursor[MAX_BASES] = { NULL };
+	struct drm_encoder *encoder;
 
 	/*
 	 * Construct encoders and modeset initialize connector devices
@@ -502,11 +503,8 @@ static int modeset_init(struct mdp5_kms *mdp5_kms)
 	 * Now that we know the number of crtcs we've created, set the possible
 	 * crtcs for the encoders
 	 */
-	for (i = 0; i < priv->num_encoders; i++) {
-		struct drm_encoder *encoder = priv->encoders[i];
-
+	drm_for_each_encoder(encoder, dev)
 		encoder->possible_crtcs = (1 << priv->num_crtcs) - 1;
-	}
 
 	return 0;