drm/exynos: Add disable of manager

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

drivers/gpu/drm/exynos/exynos_drm_drv.h

@@ -147,12 +147,14 @@ struct exynos_drm_display_ops {
  * @mode_set: convert drm_display_mode to hw specific display mode and
  *	      would be called by encoder->mode_set().
  * @commit: set current hw specific display mode to hw.
+ * @disable: disable hardware specific display mode.
  * @enable_vblank: specific driver callback for enabling vblank interrupt.
  * @disable_vblank: specific driver callback for disabling vblank interrupt.
  */
 struct exynos_drm_manager_ops {
 	void (*mode_set)(struct device *subdrv_dev, void *mode);
 	void (*commit)(struct device *subdrv_dev);
+	void (*disable)(struct device *subdrv_dev);
 	int (*enable_vblank)(struct device *subdrv_dev);
 	void (*disable_vblank)(struct device *subdrv_dev);
 };

drivers/gpu/drm/exynos/exynos_drm_encoder.c

@@ -53,9 +53,27 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
 	struct drm_device *dev = encoder->dev;
 	struct drm_connector *connector;
 	struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
+	struct exynos_drm_manager_ops *manager_ops = manager->ops;
 
 	DRM_DEBUG_KMS("%s, encoder dpms: %d\n", __FILE__, mode);
 
+	switch (mode) {
+	case DRM_MODE_DPMS_ON:
+		if (manager_ops && manager_ops->commit)
+			manager_ops->commit(manager->dev);
+		break;
+	case DRM_MODE_DPMS_STANDBY:
+	case DRM_MODE_DPMS_SUSPEND:
+	case DRM_MODE_DPMS_OFF:
+		/* TODO */
+		if (manager_ops && manager_ops->disable)
+			manager_ops->disable(manager->dev);
+		break;
+	default:
+		DRM_ERROR("unspecified mode %d\n", mode);
+		break;
+	}
+
 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 		if (connector->encoder == encoder) {
 			struct exynos_drm_display_ops *display_ops =

drivers/gpu/drm/exynos/exynos_drm_fimd.c

@@ -177,6 +177,40 @@ static void fimd_commit(struct device *dev)
 	writel(val, ctx->regs + VIDCON0);
 }
 
+static void fimd_disable(struct device *dev)
+{
+	struct fimd_context *ctx = get_fimd_context(dev);
+	struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
+	struct drm_device *drm_dev = subdrv->drm_dev;
+	struct exynos_drm_manager *manager = &subdrv->manager;
+	u32 val;
+
+	DRM_DEBUG_KMS("%s\n", __FILE__);
+
+	/* fimd dma off */
+	val = readl(ctx->regs + VIDCON0);
+	val &= ~(VIDCON0_ENVID | VIDCON0_ENVID_F);
+	writel(val, ctx->regs + VIDCON0);
+
+	/*
+	 * if vblank is enabled status with dma off then
+	 * it disables vsync interrupt.
+	 */
+	if (drm_dev->vblank_enabled[manager->pipe] &&
+		atomic_read(&drm_dev->vblank_refcount[manager->pipe])) {
+		drm_vblank_put(drm_dev, manager->pipe);
+
+		/*
+		 * if vblank_disable_allowed is 0 then disable
+		 * vsync interrupt right now else the vsync interrupt
+		 * would be disabled by drm timer once a current process
+		 * gives up ownershop of vblank event.
+		 */
+		if (!drm_dev->vblank_disable_allowed)
+			drm_vblank_off(drm_dev, manager->pipe);
+	}
+}
+
 static int fimd_enable_vblank(struct device *dev)
 {
 	struct fimd_context *ctx = get_fimd_context(dev);
@@ -220,6 +254,7 @@ static void fimd_disable_vblank(struct device *dev)
 
 static struct exynos_drm_manager_ops fimd_manager_ops = {
 	.commit = fimd_commit,
+	.disable = fimd_disable,
 	.enable_vblank = fimd_enable_vblank,
 	.disable_vblank = fimd_disable_vblank,
 };
@@ -447,9 +482,6 @@ static void fimd_win_commit(struct device *dev)
 static void fimd_win_disable(struct device *dev)
 {
 	struct fimd_context *ctx = get_fimd_context(dev);
-	struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
-	struct drm_device *drm_dev = subdrv->drm_dev;
-	struct exynos_drm_manager *manager = &subdrv->manager;
 	int win = ctx->default_win;
 	u32 val;
 
@@ -473,29 +505,6 @@ static void fimd_win_disable(struct device *dev)
 	val &= ~SHADOWCON_CHx_ENABLE(win);
 	val &= ~SHADOWCON_WINx_PROTECT(win);
 	writel(val, ctx->regs + SHADOWCON);
-
-	/* fimd dma off. */
-	val = readl(ctx->regs + VIDCON0);
-	val &= ~(VIDCON0_ENVID | VIDCON0_ENVID_F);
-	writel(val, ctx->regs + VIDCON0);
-
-	/*
-	 * if vblank is enabled status with dma off then
-	 * it disables vsync interrupt.
-	 */
-	if (drm_dev->vblank_enabled[manager->pipe] &&
-			atomic_read(&drm_dev->vblank_refcount[manager->pipe])) {
-		drm_vblank_put(drm_dev, manager->pipe);
-
-		/*
-		 * if vblank_disable_allowed is 0 then disable vsync interrupt
-		 * right now else the vsync interrupt would be disabled by drm
-		 * timer once a current process gives up ownershop of
-		 * vblank event.
-		 */
-		if (!drm_dev->vblank_disable_allowed)
-			drm_vblank_off(drm_dev, manager->pipe);
-	}
 }
 
 static struct exynos_drm_overlay_ops fimd_overlay_ops = {