drm/stm: move enable/disable_vblank to crtc

enable/disable_vblank() functions at drm_driver level
are deprecated. Move them to the ltdc drm_crtc_funcs
structure.
Signed-off-by: Philippe Cornu <philippe.cornu@st.com>
Reviewed-by: Vincent Abriou <vincent.abriou@st.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180407212937.30407-1-philippe.cornu@st.com

drivers/gpu/drm/stm/drv.c

@@ -72,8 +72,6 @@ static struct drm_driver drv_driver = {
 	.gem_prime_vmap = drm_gem_cma_prime_vmap,
 	.gem_prime_vunmap = drm_gem_cma_prime_vunmap,
 	.gem_prime_mmap = drm_gem_cma_prime_mmap,
-	.enable_vblank = ltdc_crtc_enable_vblank,
-	.disable_vblank = ltdc_crtc_disable_vblank,
 };
 
 static int drv_load(struct drm_device *ddev)

drivers/gpu/drm/stm/ltdc.c

@@ -569,9 +569,9 @@ static const struct drm_crtc_helper_funcs ltdc_crtc_helper_funcs = {
 	.atomic_disable = ltdc_crtc_atomic_disable,
 };
 
-int ltdc_crtc_enable_vblank(struct drm_device *ddev, unsigned int pipe)
+static int ltdc_crtc_enable_vblank(struct drm_crtc *crtc)
 {
-	struct ltdc_device *ldev = ddev->dev_private;
+	struct ltdc_device *ldev = crtc_to_ltdc(crtc);
 
 	DRM_DEBUG_DRIVER("\n");
 	reg_set(ldev->regs, LTDC_IER, IER_LIE);
@@ -579,9 +579,9 @@ int ltdc_crtc_enable_vblank(struct drm_device *ddev, unsigned int pipe)
 	return 0;
 }
 
-void ltdc_crtc_disable_vblank(struct drm_device *ddev, unsigned int pipe)
+static void ltdc_crtc_disable_vblank(struct drm_crtc *crtc)
 {
-	struct ltdc_device *ldev = ddev->dev_private;
+	struct ltdc_device *ldev = crtc_to_ltdc(crtc);
 
 	DRM_DEBUG_DRIVER("\n");
 	reg_clear(ldev->regs, LTDC_IER, IER_LIE);
@@ -594,6 +594,8 @@ static const struct drm_crtc_funcs ltdc_crtc_funcs = {
 	.reset = drm_atomic_helper_crtc_reset,
 	.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
 	.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
+	.enable_vblank = ltdc_crtc_enable_vblank,
+	.disable_vblank = ltdc_crtc_disable_vblank,
 	.gamma_set = drm_atomic_helper_legacy_gamma_set,
 };
 

drivers/gpu/drm/stm/ltdc.h

@@ -29,8 +29,6 @@ struct ltdc_device {
 	u32 irq_status;
 };
 
-int ltdc_crtc_enable_vblank(struct drm_device *dev, unsigned int pipe);
-void ltdc_crtc_disable_vblank(struct drm_device *dev, unsigned int pipe);
 int ltdc_load(struct drm_device *ddev);
 void ltdc_unload(struct drm_device *ddev);