R-Car has supports DU groups in DU HW, where as it is not supported
in RZ/G2L.

Add RCAR_DU_FEATURE_GROUP feature bit to support RZ/G2L.

Signed-off-by: Biju Das <biju.das...@bp.renesas.com>
---
 drivers/gpu/drm/rcar-du/rcar_du_drv.c | 17 +++++++++++++++++
 drivers/gpu/drm/rcar-du/rcar_du_drv.h |  1 +
 2 files changed, 18 insertions(+)

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c 
b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
index 2c1454731df4..314e865ae67e 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
@@ -42,6 +42,7 @@ static const struct rcar_du_device_info rzg1_du_r8a7743_info 
= {
                  | RCAR_DU_FEATURE_INTERLACED
                  | RCAR_DU_FEATURE_TVM_SYNC
                  | RCAR_DU_FEATURE_PLANE,
+                 | RCAR_DU_FEATURE_GROUP,
        .channels_mask = BIT(1) | BIT(0),
        .routes = {
                /*
@@ -69,6 +70,7 @@ static const struct rcar_du_device_info rzg1_du_r8a7745_info 
= {
                  | RCAR_DU_FEATURE_INTERLACED
                  | RCAR_DU_FEATURE_TVM_SYNC
                  | RCAR_DU_FEATURE_PLANE,
+                 | RCAR_DU_FEATURE_GROUP,
        .channels_mask = BIT(1) | BIT(0),
        .routes = {
                /*
@@ -95,6 +97,7 @@ static const struct rcar_du_device_info rzg1_du_r8a77470_info 
= {
                  | RCAR_DU_FEATURE_INTERLACED
                  | RCAR_DU_FEATURE_TVM_SYNC
                  | RCAR_DU_FEATURE_PLANE,
+                 | RCAR_DU_FEATURE_GROUP,
        .channels_mask = BIT(1) | BIT(0),
        .routes = {
                /*
@@ -127,6 +130,7 @@ static const struct rcar_du_device_info 
rcar_du_r8a774a1_info = {
                  | RCAR_DU_FEATURE_INTERLACED
                  | RCAR_DU_FEATURE_TVM_SYNC
                  | RCAR_DU_FEATURE_PLANE,
+                 | RCAR_DU_FEATURE_GROUP,
        .channels_mask = BIT(2) | BIT(1) | BIT(0),
        .routes = {
                /*
@@ -161,6 +165,7 @@ static const struct rcar_du_device_info 
rcar_du_r8a774b1_info = {
                  | RCAR_DU_FEATURE_INTERLACED
                  | RCAR_DU_FEATURE_TVM_SYNC
                  | RCAR_DU_FEATURE_PLANE,
+                 | RCAR_DU_FEATURE_GROUP,
        .channels_mask = BIT(3) | BIT(1) | BIT(0),
        .routes = {
                /*
@@ -193,6 +198,7 @@ static const struct rcar_du_device_info 
rcar_du_r8a774c0_info = {
                  | RCAR_DU_FEATURE_CRTC_CLOCK
                  | RCAR_DU_FEATURE_VSP1_SOURCE
                  | RCAR_DU_FEATURE_PLANE,
+                 | RCAR_DU_FEATURE_GROUP,
        .channels_mask = BIT(1) | BIT(0),
        .routes = {
                /*
@@ -226,6 +232,7 @@ static const struct rcar_du_device_info 
rcar_du_r8a774e1_info = {
                  | RCAR_DU_FEATURE_INTERLACED
                  | RCAR_DU_FEATURE_TVM_SYNC
                  | RCAR_DU_FEATURE_PLANE,
+                 | RCAR_DU_FEATURE_GROUP,
        .channels_mask = BIT(3) | BIT(1) | BIT(0),
        .routes = {
                /*
@@ -282,6 +289,7 @@ static const struct rcar_du_device_info 
rcar_du_r8a7790_info = {
                  | RCAR_DU_FEATURE_INTERLACED
                  | RCAR_DU_FEATURE_TVM_SYNC
                  | RCAR_DU_FEATURE_PLANE,
+                 | RCAR_DU_FEATURE_GROUP,
        .quirks = RCAR_DU_QUIRK_ALIGN_128B,
        .channels_mask = BIT(2) | BIT(1) | BIT(0),
        .routes = {
@@ -317,6 +325,7 @@ static const struct rcar_du_device_info 
rcar_du_r8a7791_info = {
                  | RCAR_DU_FEATURE_INTERLACED
                  | RCAR_DU_FEATURE_TVM_SYNC
                  | RCAR_DU_FEATURE_PLANE,
+                 | RCAR_DU_FEATURE_GROUP,
        .channels_mask = BIT(1) | BIT(0),
        .routes = {
                /*
@@ -345,6 +354,7 @@ static const struct rcar_du_device_info 
rcar_du_r8a7792_info = {
                  | RCAR_DU_FEATURE_INTERLACED
                  | RCAR_DU_FEATURE_TVM_SYNC
                  | RCAR_DU_FEATURE_PLANE,
+                 | RCAR_DU_FEATURE_GROUP,
        .channels_mask = BIT(1) | BIT(0),
        .routes = {
                /* R8A7792 has two RGB outputs. */
@@ -369,6 +379,7 @@ static const struct rcar_du_device_info 
rcar_du_r8a7794_info = {
                  | RCAR_DU_FEATURE_INTERLACED
                  | RCAR_DU_FEATURE_TVM_SYNC
                  | RCAR_DU_FEATURE_PLANE,
+                 | RCAR_DU_FEATURE_GROUP,
        .channels_mask = BIT(1) | BIT(0),
        .routes = {
                /*
@@ -397,6 +408,7 @@ static const struct rcar_du_device_info 
rcar_du_r8a7795_info = {
                  | RCAR_DU_FEATURE_INTERLACED
                  | RCAR_DU_FEATURE_TVM_SYNC
                  | RCAR_DU_FEATURE_PLANE,
+                 | RCAR_DU_FEATURE_GROUP,
        .channels_mask = BIT(3) | BIT(2) | BIT(1) | BIT(0),
        .routes = {
                /*
@@ -435,6 +447,7 @@ static const struct rcar_du_device_info 
rcar_du_r8a7796_info = {
                  | RCAR_DU_FEATURE_INTERLACED
                  | RCAR_DU_FEATURE_TVM_SYNC
                  | RCAR_DU_FEATURE_PLANE,
+                 | RCAR_DU_FEATURE_GROUP,
        .channels_mask = BIT(2) | BIT(1) | BIT(0),
        .routes = {
                /*
@@ -469,6 +482,7 @@ static const struct rcar_du_device_info 
rcar_du_r8a77965_info = {
                  | RCAR_DU_FEATURE_INTERLACED
                  | RCAR_DU_FEATURE_TVM_SYNC
                  | RCAR_DU_FEATURE_PLANE,
+                 | RCAR_DU_FEATURE_GROUP,
        .channels_mask = BIT(3) | BIT(1) | BIT(0),
        .routes = {
                /*
@@ -503,6 +517,7 @@ static const struct rcar_du_device_info 
rcar_du_r8a77970_info = {
                  | RCAR_DU_FEATURE_INTERLACED
                  | RCAR_DU_FEATURE_TVM_SYNC
                  | RCAR_DU_FEATURE_PLANE,
+                 | RCAR_DU_FEATURE_GROUP,
        .channels_mask = BIT(0),
        .routes = {
                /*
@@ -530,6 +545,7 @@ static const struct rcar_du_device_info 
rcar_du_r8a7799x_info = {
                  | RCAR_DU_FEATURE_CRTC_CLOCK
                  | RCAR_DU_FEATURE_VSP1_SOURCE
                  | RCAR_DU_FEATURE_PLANE,
+                 | RCAR_DU_FEATURE_GROUP,
        .channels_mask = BIT(1) | BIT(0),
        .routes = {
                /*
@@ -561,6 +577,7 @@ static const struct rcar_du_device_info 
rcar_du_r8a779a0_info = {
        .features = RCAR_DU_FEATURE_CRTC_IRQ
                  | RCAR_DU_FEATURE_VSP1_SOURCE
                  | RCAR_DU_FEATURE_PLANE,
+                 | RCAR_DU_FEATURE_GROUP,
        .channels_mask = BIT(1) | BIT(0),
        .routes = {
                /* R8A779A0 has two MIPI DSI outputs. */
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.h 
b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
index 020814e80f50..e28c2df66f8e 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.h
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
@@ -32,6 +32,7 @@ struct rcar_du_device;
 #define RCAR_DU_FEATURE_INTERLACED     BIT(3)  /* HW supports interlaced */
 #define RCAR_DU_FEATURE_TVM_SYNC       BIT(4)  /* Has TV switch/sync modes */
 #define RCAR_DU_FEATURE_PLANE          BIT(5)  /* HW supports DU planes */
+#define RCAR_DU_FEATURE_GROUP          BIT(6)  /* HW supports DU groups */
 
 #define RCAR_DU_QUIRK_ALIGN_128B       BIT(0)  /* Align pitches to 128 bytes */
 
-- 
2.17.1

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