1 files changed, 50 insertions, 33 deletions

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index a73de1e669c2..6b08774e5501 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -168,9 +168,8 @@ static void mtk_drm_crtc_mode_set_nofb(struct drm_crtc *crtc)
 	state->pending_config = true;
 }
 
-int mtk_drm_crtc_enable_vblank(struct drm_device *drm, unsigned int pipe)
+static int mtk_drm_crtc_enable_vblank(struct drm_crtc *crtc)
 {
-	struct drm_crtc *crtc = drm_crtc_from_index(drm, pipe);
 	struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc);
 	struct mtk_ddp_comp *ovl = mtk_crtc->ddp_comp[0];
 
@@ -179,9 +178,8 @@ int mtk_drm_crtc_enable_vblank(struct drm_device *drm, unsigned int pipe)
 	return 0;
 }
 
-void mtk_drm_crtc_disable_vblank(struct drm_device *drm, unsigned int pipe)
+static void mtk_drm_crtc_disable_vblank(struct drm_crtc *crtc)
 {
-	struct drm_crtc *crtc = drm_crtc_from_index(drm, pipe);
 	struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc);
 	struct mtk_ddp_comp *ovl = mtk_crtc->ddp_comp[0];
 
@@ -329,6 +327,42 @@ static void mtk_crtc_ddp_hw_fini(struct mtk_drm_crtc *mtk_crtc)
 	pm_runtime_put(drm->dev);
 }
 
+static void mtk_crtc_ddp_config(struct drm_crtc *crtc)
+{
+	struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc);
+	struct mtk_crtc_state *state = to_mtk_crtc_state(mtk_crtc->base.state);
+	struct mtk_ddp_comp *ovl = mtk_crtc->ddp_comp[0];
+	unsigned int i;
+
+	/*
+	 * TODO: instead of updating the registers here, we should prepare
+	 * working registers in atomic_commit and let the hardware command
+	 * queue update module registers on vblank.
+	 */
+	if (state->pending_config) {
+		mtk_ddp_comp_config(ovl, state->pending_width,
+				    state->pending_height,
+				    state->pending_vrefresh, 0);
+
+		state->pending_config = false;
+	}
+
+	if (mtk_crtc->pending_planes) {
+		for (i = 0; i < OVL_LAYER_NR; i++) {
+			struct drm_plane *plane = &mtk_crtc->planes[i];
+			struct mtk_plane_state *plane_state;
+
+			plane_state = to_mtk_plane_state(plane->state);
+
+			if (plane_state->pending.config) {
+				mtk_ddp_comp_layer_config(ovl, i, plane_state);
+				plane_state->pending.config = false;
+			}
+		}
+		mtk_crtc->pending_planes = false;
+	}
+}
+
 static void mtk_drm_crtc_enable(struct drm_crtc *crtc)
 {
 	struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc);
@@ -405,6 +439,7 @@ static void mtk_drm_crtc_atomic_flush(struct drm_crtc *crtc,
 				      struct drm_crtc_state *old_crtc_state)
 {
 	struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc);
+	struct mtk_drm_private *priv = crtc->dev->dev_private;
 	unsigned int pending_planes = 0;
 	int i;
 
@@ -426,6 +461,12 @@ static void mtk_drm_crtc_atomic_flush(struct drm_crtc *crtc,
 	if (crtc->state->color_mgmt_changed)
 		for (i = 0; i < mtk_crtc->ddp_comp_nr; i++)
 			mtk_ddp_gamma_set(mtk_crtc->ddp_comp[i], crtc->state);
+
+	if (priv->data->shadow_register) {
+		mtk_disp_mutex_acquire(mtk_crtc->mutex);
+		mtk_crtc_ddp_config(crtc);
+		mtk_disp_mutex_release(mtk_crtc->mutex);
+	}
 }
 
 static const struct drm_crtc_funcs mtk_crtc_funcs = {
@@ -436,6 +477,8 @@ static const struct drm_crtc_funcs mtk_crtc_funcs = {
 	.atomic_duplicate_state	= mtk_drm_crtc_duplicate_state,
 	.atomic_destroy_state	= mtk_drm_crtc_destroy_state,
 	.gamma_set		= drm_atomic_helper_legacy_gamma_set,
+	.enable_vblank		= mtk_drm_crtc_enable_vblank,
+	.disable_vblank		= mtk_drm_crtc_disable_vblank,
 };
 
 static const struct drm_crtc_helper_funcs mtk_crtc_helper_funcs = {
@@ -471,36 +514,10 @@ err_cleanup_crtc:
 void mtk_crtc_ddp_irq(struct drm_crtc *crtc, struct mtk_ddp_comp *ovl)
 {
 	struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc);
-	struct mtk_crtc_state *state = to_mtk_crtc_state(mtk_crtc->base.state);
-	unsigned int i;
+	struct mtk_drm_private *priv = crtc->dev->dev_private;
 
-	/*
-	 * TODO: instead of updating the registers here, we should prepare
-	 * working registers in atomic_commit and let the hardware command
-	 * queue update module registers on vblank.
-	 */
-	if (state->pending_config) {
-		mtk_ddp_comp_config(ovl, state->pending_width,
-				    state->pending_height,
-				    state->pending_vrefresh, 0);
-
-		state->pending_config = false;
-	}
-
-	if (mtk_crtc->pending_planes) {
-		for (i = 0; i < OVL_LAYER_NR; i++) {
-			struct drm_plane *plane = &mtk_crtc->planes[i];
-			struct mtk_plane_state *plane_state;
-
-			plane_state = to_mtk_plane_state(plane->state);
-
-			if (plane_state->pending.config) {
-				mtk_ddp_comp_layer_config(ovl, i, plane_state);
-				plane_state->pending.config = false;
-			}
-		}
-		mtk_crtc->pending_planes = false;
-	}
+	if (!priv->data->shadow_register)
+		mtk_crtc_ddp_config(crtc);
 
 	mtk_drm_finish_page_flip(mtk_crtc);
 }