[PATCH] drm: rcar-du: enable VSPDs on R8A7791

[Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>]

We're going to use R8A7791 VSPDs to control DU, so set the corresponding
flag.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>

---
The patch is against David Airlie's 'linux.git' repo's 'drm-next' branch.

 drivers/gpu/drm/rcar-du/rcar_du_drv.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Index: linux/drivers/gpu/drm/rcar-du/rcar_du_drv.c
===================================================================
--- linux.orig/drivers/gpu/drm/rcar-du/rcar_du_drv.c
+++ linux/drivers/gpu/drm/rcar-du/rcar_du_drv.c
@@ -90,7 +90,8 @@ static const struct rcar_du_device_info
 static const struct rcar_du_device_info rcar_du_r8a7791_info = {
 	.gen = 2,
 	.features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
-		  | RCAR_DU_FEATURE_EXT_CTRL_REGS,
+		  | RCAR_DU_FEATURE_EXT_CTRL_REGS
+		  | RCAR_DU_FEATURE_VSP1_SOURCE,
 	.num_crtcs = 2,
 	.routes = {
 		/* R8A779[13] has one RGB output, one LVDS output and one