drm: fsl-dcu: use vblank hooks in struct drm_crtc_funcs

The vblank hooks in struct drm_driver are deprecated and only meant for
legacy drivers.  For modern drivers with DRIVER_MODESET flag, the hooks
in struct drm_crtc_funcs should be used instead.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Stefan Agner <stefan@agner.ch>
Acked-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1486458995-31018-10-git-send-email-shawnguo@kernel.org

drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c

@@ -137,6 +137,30 @@ static const struct drm_crtc_helper_funcs fsl_dcu_drm_crtc_helper_funcs = {
 	.mode_set_nofb = fsl_dcu_drm_crtc_mode_set_nofb,
 };
 
+static int fsl_dcu_drm_crtc_enable_vblank(struct drm_crtc *crtc)
+{
+	struct drm_device *dev = crtc->dev;
+	struct fsl_dcu_drm_device *fsl_dev = dev->dev_private;
+	unsigned int value;
+
+	regmap_read(fsl_dev->regmap, DCU_INT_MASK, &value);
+	value &= ~DCU_INT_MASK_VBLANK;
+	regmap_write(fsl_dev->regmap, DCU_INT_MASK, value);
+
+	return 0;
+}
+
+static void fsl_dcu_drm_crtc_disable_vblank(struct drm_crtc *crtc)
+{
+	struct drm_device *dev = crtc->dev;
+	struct fsl_dcu_drm_device *fsl_dev = dev->dev_private;
+	unsigned int value;
+
+	regmap_read(fsl_dev->regmap, DCU_INT_MASK, &value);
+	value |= DCU_INT_MASK_VBLANK;
+	regmap_write(fsl_dev->regmap, DCU_INT_MASK, value);
+}
+
 static const struct drm_crtc_funcs fsl_dcu_drm_crtc_funcs = {
 	.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
 	.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
@@ -144,6 +168,8 @@ static const struct drm_crtc_funcs fsl_dcu_drm_crtc_funcs = {
 	.page_flip = drm_atomic_helper_page_flip,
 	.reset = drm_atomic_helper_crtc_reset,
 	.set_config = drm_atomic_helper_set_config,
+	.enable_vblank = fsl_dcu_drm_crtc_enable_vblank,
+	.disable_vblank = fsl_dcu_drm_crtc_disable_vblank,
 };
 
 int fsl_dcu_drm_crtc_create(struct fsl_dcu_drm_device *fsl_dev)

drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c

@@ -154,29 +154,6 @@ static irqreturn_t fsl_dcu_drm_irq(int irq, void *arg)
 	return IRQ_HANDLED;
 }
 
-static int fsl_dcu_drm_enable_vblank(struct drm_device *dev, unsigned int pipe)
-{
-	struct fsl_dcu_drm_device *fsl_dev = dev->dev_private;
-	unsigned int value;
-
-	regmap_read(fsl_dev->regmap, DCU_INT_MASK, &value);
-	value &= ~DCU_INT_MASK_VBLANK;
-	regmap_write(fsl_dev->regmap, DCU_INT_MASK, value);
-
-	return 0;
-}
-
-static void fsl_dcu_drm_disable_vblank(struct drm_device *dev,
-				       unsigned int pipe)
-{
-	struct fsl_dcu_drm_device *fsl_dev = dev->dev_private;
-	unsigned int value;
-
-	regmap_read(fsl_dev->regmap, DCU_INT_MASK, &value);
-	value |= DCU_INT_MASK_VBLANK;
-	regmap_write(fsl_dev->regmap, DCU_INT_MASK, value);
-}
-
 static void fsl_dcu_drm_lastclose(struct drm_device *dev)
 {
 	struct fsl_dcu_drm_device *fsl_dev = dev->dev_private;
@@ -203,8 +180,6 @@ static struct drm_driver fsl_dcu_drm_driver = {
 	.load			= fsl_dcu_load,
 	.unload			= fsl_dcu_unload,
 	.irq_handler		= fsl_dcu_drm_irq,
-	.enable_vblank		= fsl_dcu_drm_enable_vblank,
-	.disable_vblank		= fsl_dcu_drm_disable_vblank,
 	.gem_free_object_unlocked = drm_gem_cma_free_object,
 	.gem_vm_ops		= &drm_gem_cma_vm_ops,
 	.prime_handle_to_fd	= drm_gem_prime_handle_to_fd,